* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* shadcn/ui inspired Light Theme */
    --bg-primary: #ffffff;
    --bg-secondary: hsl(210 40% 98%);
    --bg-tertiary: hsl(210 40% 96%);
    --bg-hover: hsl(210 40% 94%);
    --bg-code: hsl(222.2 84% 4.9%);
    --bg-muted: hsl(210 40% 96.1%);

    --text-primary: hsl(222.2 84% 4.9%);
    --text-secondary: hsl(215.4 16.3% 46.9%);
    --text-muted: hsl(215.4 16.3% 56.9%);

    --accent: hsl(221.2 83.2% 53.3%);
    --accent-light: hsl(221.2 83.2% 63.3%);
    --accent-dark: hsl(221.2 83.2% 43.3%);
    --accent-bg: hsl(221.2 83.2% 53.3% / 0.1);
    --accent-foreground: hsl(210 40% 98%);

    --border: hsl(214.3 31.8% 91.4%);
    --border-light: hsl(214.3 31.8% 94%);
    --input-border: hsl(214.3 31.8% 91.4%);
    --ring: hsl(221.2 83.2% 53.3%);

    --success: hsl(142.1 76.2% 36.3%);
    --success-bg: hsl(142.1 76.2% 36.3% / 0.1);
    --success-foreground: hsl(355.7 100% 97.3%);
    --warning: hsl(45.4 93.4% 47.5%);
    --warning-bg: hsl(45.4 93.4% 47.5% / 0.1);
    --danger: hsl(0 84.2% 60.2%);
    --danger-bg: hsl(0 84.2% 60.2% / 0.1);
    --danger-foreground: hsl(0 0% 98%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    --header-gradient: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}

/* shadcn/ui inspired Dark Theme */
[data-theme="dark"] {
    --bg-primary: hsl(222.2 84% 4.9%);
    --bg-secondary: hsl(217.2 32.6% 11%);
    --bg-tertiary: hsl(215 20.2% 16.8%);
    --bg-hover: hsl(215 20.2% 21.8%);
    --bg-code: hsl(222.2 84% 2%);
    --bg-muted: hsl(217.2 32.6% 17.5%);

    --text-primary: hsl(210 40% 98%);
    --text-secondary: hsl(215 20.2% 65.1%);
    --text-muted: hsl(215 20.2% 55.1%);

    --accent: hsl(217.2 91.2% 59.8%);
    --accent-light: hsl(217.2 91.2% 69.8%);
    --accent-dark: hsl(217.2 91.2% 49.8%);
    --accent-bg: hsl(217.2 91.2% 59.8% / 0.15);
    --accent-foreground: hsl(222.2 47.4% 11.2%);

    --border: hsl(217.2 32.6% 17.5%);
    --border-light: hsl(217.2 32.6% 22%);
    --input-border: hsl(217.2 32.6% 17.5%);
    --ring: hsl(224.3 76.3% 48%);

    --success: hsl(142.1 70.6% 45.3%);
    --success-bg: hsl(142.1 70.6% 45.3% / 0.15);
    --warning: hsl(47.9 95.8% 53.1%);
    --warning-bg: hsl(47.9 95.8% 53.1% / 0.15);
    --danger: hsl(0 72.2% 50.6%);
    --danger-bg: hsl(0 72.2% 50.6% / 0.15);
    --danger-foreground: hsl(0 0% 98%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);

    --header-gradient: linear-gradient(135deg, hsl(217.2 91.2% 49.8%) 0%, hsl(262.1 83.3% 57.8%) 100%);
}

/* Dark High Contrast Theme - Enhanced visibility */
[data-theme="dark-high-contrast"] {
    --bg-primary: hsl(0 0% 0%);
    --bg-secondary: hsl(0 0% 7%);
    --bg-tertiary: hsl(0 0% 13%);
    --bg-hover: hsl(0 0% 20%);
    --bg-code: hsl(0 0% 3%);
    --bg-muted: hsl(0 0% 15%);

    --text-primary: hsl(0 0% 100%);
    --text-secondary: hsl(0 0% 85%);
    --text-muted: hsl(0 0% 70%);

    --accent: hsl(210 100% 75%);
    --accent-light: hsl(210 100% 85%);
    --accent-dark: hsl(210 100% 65%);
    --accent-bg: hsl(210 100% 75% / 0.2);
    --accent-foreground: hsl(0 0% 0%);

    --border: hsl(0 0% 25%);
    --border-light: hsl(0 0% 35%);
    --input-border: hsl(0 0% 30%);
    --ring: hsl(210 100% 70%);

    --success: hsl(120 100% 60%);
    --success-bg: hsl(120 100% 60% / 0.2);
    --warning: hsl(50 100% 60%);
    --warning-bg: hsl(50 100% 60% / 0.2);
    --danger: hsl(0 100% 65%);
    --danger-bg: hsl(0 100% 65% / 0.2);
    --danger-foreground: hsl(0 0% 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.5);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.6), 0 1px 2px -1px rgb(0 0 0 / 0.6);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.6), 0 2px 4px -2px rgb(0 0 0 / 0.6);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.6), 0 4px 6px -4px rgb(0 0 0 / 0.6);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.7), 0 8px 10px -6px rgb(0 0 0 / 0.7);

    --header-gradient: linear-gradient(135deg, hsl(210 100% 65%) 0%, hsl(280 100% 70%) 100%);
}

/* Dark Cyan Theme - Cyan accent for better visibility */
[data-theme="dark-cyan"] {
    --bg-primary: hsl(200 50% 4%);
    --bg-secondary: hsl(200 40% 10%);
    --bg-tertiary: hsl(200 30% 15%);
    --bg-hover: hsl(200 25% 20%);
    --bg-code: hsl(200 50% 2%);
    --bg-muted: hsl(200 30% 16%);

    --text-primary: hsl(180 30% 98%);
    --text-secondary: hsl(180 20% 70%);
    --text-muted: hsl(180 15% 55%);

    --accent: hsl(180 100% 50%);
    --accent-light: hsl(180 100% 65%);
    --accent-dark: hsl(180 100% 40%);
    --accent-bg: hsl(180 100% 50% / 0.15);
    --accent-foreground: hsl(200 50% 5%);

    --border: hsl(200 30% 18%);
    --border-light: hsl(200 25% 25%);
    --input-border: hsl(200 30% 20%);
    --ring: hsl(180 100% 45%);

    --success: hsl(160 100% 45%);
    --success-bg: hsl(160 100% 45% / 0.15);
    --warning: hsl(45 100% 55%);
    --warning-bg: hsl(45 100% 55% / 0.15);
    --danger: hsl(0 85% 55%);
    --danger-bg: hsl(0 85% 55% / 0.15);
    --danger-foreground: hsl(0 0% 98%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.5), 0 1px 2px -1px rgb(0 0 0 / 0.5);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.5);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5), 0 4px 6px -4px rgb(0 0 0 / 0.5);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.6), 0 8px 10px -6px rgb(0 0 0 / 0.6);

    --header-gradient: linear-gradient(135deg, hsl(180 100% 40%) 0%, hsl(200 100% 50%) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile/tablet */
    overflow: hidden;
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    display: flex;
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile/tablet */
    background: var(--bg-secondary);
}

/* Sidebar */
.sidebar {
    width: 320px;
    min-width: 320px;
    background-color: var(--bg-primary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    position: relative;
}

/* Sidebar Collapse Button Icon */
.header-icon-btn .collapse-icon {
    transition: transform 0.2s ease;
    font-size: 0.625rem;
}

/* Sidebar Splitter */
.sidebar-splitter {
    width: 4px;
    background: var(--border);
    cursor: col-resize;
    position: relative;
    flex-shrink: 0;
    transition: background-color 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.sidebar-splitter:hover,
.sidebar-splitter.dragging {
    background: var(--accent-bg);
}

.sidebar-splitter .splitter-handle {
    width: 2px;
    height: 30px;
    background: var(--text-muted);
    border-radius: 1px;
    opacity: 0.4;
    transition: opacity 0.15s ease, background-color 0.15s ease;
}

.sidebar-splitter:hover .splitter-handle,
.sidebar-splitter.dragging .splitter-handle {
    opacity: 1;
    background: var(--accent);
}

/* Sidebar Collapsed State */
.container.sidebar-collapsed .sidebar {
    width: 0 !important;
    min-width: 0 !important;
    overflow: hidden;
    padding: 0;
}

.container.sidebar-collapsed .sidebar > * {
    opacity: 0;
    visibility: hidden;
}

.container.sidebar-collapsed .sidebar-splitter {
    display: none;
}

/* Show expand button when collapsed */
.sidebar-expand-btn {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 48px;
    background: var(--accent);
    border: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.75rem;
    z-index: 100;
    box-shadow: var(--shadow-md);
    transition: all 0.15s ease;
}

.sidebar-expand-btn:hover {
    background: var(--accent-dark);
    width: 28px;
}

.container.sidebar-collapsed ~ .sidebar-expand-btn {
    display: flex;
}

/* Resizing state for container */
.container.resizing {
    user-select: none;
    cursor: col-resize;
}

.container.resizing .sidebar,
.container.resizing .main-content {
    pointer-events: none;
}

.sidebar-header {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    background: var(--header-gradient);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.sidebar-header h1 {
    font-size: 0.875rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.025em;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.sidebar-header h1::before {
    content: "";
    display: inline-block;
    width: 5px;
    height: 5px;
    background: rgba(255,255,255,0.8);
    border-radius: 50%;
}

.sidebar-header-actions {
    display: flex;
    align-items: center;
    gap: 2px;
}

/* Header Icon Buttons */
.header-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.625rem;
    height: 1.625rem;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.8125rem;
}

.header-icon-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    color: white;
}

.header-icon-btn:active {
    transform: scale(0.95);
}

/* Theme Toggle in header */
.header-icon-btn .icon-sun,
.header-icon-btn .icon-moon {
    display: none;
}

.header-icon-btn .icon-moon {
    display: block;
}

[data-theme="dark"] .header-icon-btn .icon-moon {
    display: none;
}

[data-theme="dark"] .header-icon-btn .icon-sun {
    display: block;
}

/* Legacy Theme Toggle (keep for compatibility) */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.625rem;
    height: 1.625rem;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.8125rem;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

[data-theme="light"] .theme-toggle .icon-moon,
:root:not([data-theme]) .theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

.search-box {
    position: relative;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
    transition: background-color 0.2s ease;
}

.search-box input {
    display: flex;
    width: 100%;
    height: 2rem;
    padding: 0.375rem 1.75rem 0.375rem 2rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    background-color: var(--bg-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 0.75rem center;
    background-size: 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box input:focus {
    outline: none;
    border-color: var(--ring);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.search-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.25rem;
    height: 1.25rem;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.15s ease, color 0.15s ease;
}

.search-clear:hover {
    color: var(--text-primary);
}

.search-box.has-value .search-clear {
    opacity: 1;
    visibility: visible;
}

/* Note List / Calendar Splitter */
.note-calendar-splitter {
    height: 6px;
    background: var(--border);
    cursor: row-resize;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.15s ease;
}

.note-calendar-splitter:hover,
.note-calendar-splitter.dragging {
    background: var(--accent-bg);
}

.note-calendar-splitter .splitter-handle-h {
    width: 30px;
    height: 2px;
    background: var(--text-muted);
    border-radius: 1px;
    opacity: 0.4;
    transition: opacity 0.15s ease, background-color 0.15s ease;
}

.note-calendar-splitter:hover .splitter-handle-h,
.note-calendar-splitter.dragging .splitter-handle-h {
    opacity: 1;
    background: var(--accent);
}

/* Mini Calendar - Fixed at bottom */
.mini-calendar {
    padding: 0.5rem;
    border-top: none;
    background: var(--bg-primary);
    user-select: none;
    flex: 0 0 auto;
    min-height: 150px;
    overflow: hidden;
}

.mini-calendar-header {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.mini-calendar.collapsed .mini-calendar-header {
    margin-bottom: 0;
}

.mini-cal-toggle {
    background: none;
    border: none;
    padding: 2px 4px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.6rem;
    border-radius: var(--radius);
    transition: all 0.15s ease;
    line-height: 1;
}

.mini-cal-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mini-calendar.collapsed .mini-cal-toggle {
    transform: rotate(-90deg);
}

.mini-cal-title {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
}

.mini-cal-nav {
    background: none;
    border: none;
    padding: 2px 6px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.7rem;
    border-radius: var(--radius);
    transition: all 0.15s ease;
}

.mini-cal-nav:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mini-calendar-body {
    overflow: hidden;
    transition: max-height 0.3s ease, opacity 0.2s ease, margin 0.2s ease;
    max-height: 500px;
    opacity: 1;
    margin-top: 0.5rem;
}

.mini-calendar.collapsed .mini-calendar-body {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.mini-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    margin-bottom: 0.25rem;
}

.mini-weekday {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: 2px 0;
}

.mini-weekday.sunday {
    color: var(--error);
}

.mini-weekday.saturday {
    color: var(--accent);
}

.mini-calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 1px;
}

.mini-cal-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius);
    transition: all 0.1s ease;
    position: relative;
}

.mini-cal-day:hover {
    background: var(--bg-tertiary);
}

.mini-cal-day.other-month {
    color: var(--text-muted);
    opacity: 0.5;
}

.mini-cal-day.today {
    background: var(--accent-bg);
    color: var(--accent);
    font-weight: 600;
}

.mini-cal-day.selected {
    background: var(--accent);
    color: white;
    font-weight: 600;
}

.mini-cal-day.has-notes::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--accent);
    border-radius: 50%;
}

.mini-cal-day.selected.has-notes::after {
    background: white;
}

.mini-cal-day.sunday {
    color: var(--error);
}

.mini-cal-day.saturday {
    color: var(--accent);
}

.mini-cal-day.other-month.sunday,
.mini-cal-day.other-month.saturday {
    opacity: 0.4;
}

.note-list {
    list-style: none;
    overflow-y: auto;
    flex: 1 1 auto;
    min-height: 100px;
    padding: 4px;
}

.note-list-item {
    padding: 0.5rem 0.75rem;
    margin-bottom: 0.125rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.1s ease;
    border: 1px solid transparent;
}

.note-list-item:hover {
    background-color: var(--bg-tertiary);
}

.note-list-item.active {
    background-color: var(--accent-bg);
    border-color: var(--accent);
}

.note-list-item .note-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.note-list-item.active .note-title {
    color: var(--accent);
    font-weight: 600;
}

.note-list-item .note-title .lock-icon {
    color: var(--warning);
    font-size: 0.75rem;
}

.note-list-item .note-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.note-list-item .note-meta .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.0625rem 0.375rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    color: var(--text-muted);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-secondary);
    transition: background-color 0.3s ease;
    position: relative;
}

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    padding: 40px;
}

.empty-state::before {
    content: "";
    display: block;
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
    background: var(--bg-tertiary);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    background-size: 40px;
}

.empty-state h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.empty-state p {
    color: var(--text-muted);
    text-align: center;
    max-width: 300px;
}

/* Editor */
.editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: 2px;
    margin-left: 0;
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.editor-header {
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border-radius: var(--radius) var(--radius) 0 0;
    transition: background-color 0.2s ease;
    position: relative;
    overflow: hidden;
}

.editor-header-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

/* Scroll fade indicator for touch devices */
.editor-header.can-scroll-right::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, transparent, var(--bg-primary));
    pointer-events: none;
    opacity: 0.9;
}

.editor-header.can-scroll-left::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to left, transparent, var(--bg-primary));
    pointer-events: none;
    opacity: 0.9;
    z-index: 1;
}

.editor-title-row {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Folder path display */
.note-folder-path {
    display: none;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.25rem 0;
    white-space: nowrap;
}

.note-folder-path:not(:empty) {
    display: flex;
}

.note-folder-path::after {
    content: '/';
    margin: 0 0.25rem;
    color: var(--text-muted);
}

.note-title-input {
    flex: 1;
    display: flex;
    height: 2rem;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    background-color: transparent;
    color: var(--text-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.note-title-input::placeholder {
    color: var(--text-muted);
    font-weight: 400;
}

.note-title-input:focus {
    outline: none;
    border-color: var(--ring);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.editor-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* shadcn/ui inspired Icon Buttons */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-icon:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--ring);
}

.btn-icon:active {
    transform: scale(0.95);
}

.btn-icon-danger:hover {
    background-color: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}

/* Save Status */
.save-status {
    display: flex;
    align-items: center;
    font-size: 0.75rem;
    white-space: nowrap;
}

.status-saving {
    color: var(--text-muted);
}

.status-saved {
    color: var(--success);
}

.status-unsaved {
    color: var(--warning);
    font-size: 0.5rem;
}

.status-error {
    color: var(--danger);
}

/* Private Toggle Icon */
.private-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    cursor: pointer;
}

.private-toggle input {
    display: none;
}

.private-icon {
    font-size: 1rem;
    color: var(--text-muted);
    opacity: 0.5;
    transition: all 0.15s ease;
}

.private-toggle input:checked + .private-icon {
    color: var(--warning);
    opacity: 1;
}

.note-type-select {
    display: flex;
    height: 2.25rem;
    padding: 0.375rem 0.75rem;
    padding-right: 2rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    background-color: transparent;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 1rem;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    appearance: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.note-type-select:hover {
    background-color: var(--bg-tertiary);
}

.note-type-select:focus {
    outline: none;
    border-color: var(--ring);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.private-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.private-toggle:hover {
    background-color: var(--bg-tertiary);
}

.private-toggle input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--accent);
}

/* Auto-save Toggle */
.autosave-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 8px 12px;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.autosave-toggle:hover {
    background-color: var(--bg-tertiary);
}

.autosave-toggle input[type="checkbox"] {
    display: none;
}

.autosave-icon {
    font-size: 1rem;
    color: var(--text-muted);
    opacity: 0.5;
    transition: all 0.15s ease;
}

.autosave-toggle input:checked + .autosave-icon {
    color: var(--success);
    opacity: 1;
}

/* shadcn/ui inspired Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    white-space: nowrap;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.25rem;
    padding: 0.375rem 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
    outline: none;
    border: none;
}

.btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--ring);
}

.btn:disabled {
    pointer-events: none;
    opacity: 0.5;
}

.btn-primary {
    background-color: var(--accent);
    color: var(--accent-foreground);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background-color: var(--accent-dark);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-primary);
}

.btn-ghost:hover {
    background-color: var(--bg-tertiary);
}

.btn-danger {
    background-color: var(--danger);
    color: var(--danger-foreground);
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background-color: hsl(0 84.2% 50%);
}

.btn-outline-danger {
    background-color: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-outline-danger:hover {
    background-color: var(--danger);
    color: var(--danger-foreground);
}

.btn-sm {
    height: 2rem;
    padding: 0 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    height: 2.75rem;
    padding: 0 2rem;
    font-size: 1rem;
}

/* Markdown Toolbar */
.markdown-toolbar {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.markdown-toolbar.hidden {
    display: none;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 2px;
}

.toolbar-separator {
    width: 1px;
    height: 1.25rem;
    background: var(--border);
    margin: 0 0.375rem;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 1.75rem;
    height: 1.75rem;
    padding: 0 0.375rem;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.toolbar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.toolbar-btn:active {
    background: var(--bg-active);
    transform: scale(0.95);
}

.toolbar-btn b {
    font-weight: 700;
}

.toolbar-btn i {
    font-style: italic;
}

.toolbar-btn s {
    text-decoration: line-through;
}

/* Table Grid Selector */
.table-grid-selector {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
}

.table-grid-selector.visible {
    display: block;
}

.table-grid-selector .grid-container {
    display: grid;
    grid-template-columns: repeat(8, 20px);
    grid-template-rows: repeat(8, 20px);
    gap: 2px;
    background: var(--bg-tertiary);
    padding: 4px;
    border-radius: 4px;
}

.table-grid-selector .grid-cell {
    width: 20px;
    height: 20px;
    border: 1px solid var(--border);
    border-radius: 2px;
    background: var(--bg-primary);
    cursor: pointer;
    transition: background-color 0.1s ease;
}

.table-grid-selector .grid-cell.highlighted {
    background: var(--accent);
    border-color: var(--accent);
}

.table-grid-selector .grid-label {
    text-align: center;
    margin-top: 8px;
    font-size: 12px;
    color: var(--text-muted);
    min-height: 16px;
}

.toolbar-btn-wrapper {
    position: relative;
    display: inline-block;
}

/* Code Language Selector */
.code-lang-selector {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: none;
    max-height: 300px;
    overflow-y: auto;
}

.code-lang-selector.visible {
    display: block;
}

.code-lang-selector .lang-grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    min-width: 320px;
}

.code-lang-selector .lang-cell {
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--bg);
    cursor: pointer;
    font-size: 12px;
    text-align: center;
    transition: all 0.15s ease;
    white-space: nowrap;
}

.code-lang-selector .lang-cell:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.code-lang-selector .lang-cell.popular {
    font-weight: 500;
}

/* AsciiDoc Table Editor Modal */
.table-editor-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
}

.table-editor-modal.visible {
    display: flex;
}

.table-editor-content {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    max-width: 90vw;
    max-height: 90vh;
    overflow: auto;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.table-editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

.table-editor-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text);
}

.table-editor-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px 8px;
}

.table-editor-close:hover {
    color: var(--text);
}

.table-editor-instructions {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: 4px;
}

.table-editor-preview {
    border: 1px solid var(--border);
    border-radius: 4px;
    overflow: auto;
    margin-bottom: 16px;
    background: var(--bg-tertiary);
}

.table-editor-preview table {
    border-collapse: collapse;
    width: 100%;
}

.table-editor-preview td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    min-width: 80px;
    min-height: 32px;
    cursor: pointer;
    position: relative;
    background: var(--bg-primary);
    transition: background-color 0.1s;
    user-select: none;
}

.table-editor-preview td:hover {
    background: var(--bg-secondary);
}

.table-editor-preview td.selected {
    background: var(--accent);
    color: white;
}

.table-editor-preview td.merged {
    background: var(--accent-light, #e3f2fd);
    border: 2px solid var(--accent);
}

.table-editor-preview td.merge-start {
    background: var(--accent);
    color: white;
}

.table-editor-preview td.hidden-cell {
    display: none;
}

.table-editor-preview td input {
    width: 100%;
    border: none;
    background: transparent;
    font-size: 13px;
    color: inherit;
    padding: 0;
    outline: none;
}

.table-editor-preview td.header-cell {
    background: var(--bg-secondary);
    font-weight: 600;
}

.table-editor-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.table-editor-actions button {
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 13px;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg);
    color: var(--text);
    transition: all 0.15s;
}

.table-editor-actions button:hover {
    background: var(--bg-secondary);
}

.table-editor-actions button.primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.table-editor-actions button.primary:hover {
    opacity: 0.9;
}

.table-editor-actions button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.table-editor-info {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-muted);
}

.table-editor-info span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Editor Body */
.editor-body {
    flex: 1;
    display: flex;
    overflow: hidden;
    position: relative;
    min-height: 0; /* Important for flex child to shrink properly */
}

.editor-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 200px;
}

/* Splitter */
.splitter {
    width: 4px;
    background: var(--border);
    cursor: col-resize;
    position: relative;
    flex-shrink: 0;
    transition: background-color 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.splitter:hover,
.splitter.dragging {
    background: var(--accent-bg);
}

.splitter-handle {
    width: 4px;
    height: 40px;
    background: var(--text-muted);
    border-radius: 2px;
    opacity: 0.4;
    transition: opacity 0.15s ease, background-color 0.15s ease;
}

.splitter:hover .splitter-handle,
.splitter.dragging .splitter-handle {
    opacity: 1;
    background: var(--accent);
}

/* Prevent text selection during drag */
.editor-body.resizing {
    user-select: none;
    cursor: col-resize;
}

.editor-body.resizing .editor-pane,
.editor-body.resizing .preview-pane {
    pointer-events: none;
}

/* TXT mode - editor only, no preview */
.editor-body.txt-mode .editor-pane {
    flex: 1 1 100%;
    max-width: 100%;
}

/* ============================================
   Layout Controls & Docking System
   ============================================ */

/* Layout Controls in Editor Actions */
.layout-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.action-separator {
    width: 1px;
    height: 1.25rem;
    background: var(--border);
    margin: 0 0.5rem;
}

/* Vertical Layout */
.editor-body.layout-vertical {
    flex-direction: column;
}

.editor-body.layout-vertical .splitter {
    width: 100%;
    height: 4px;
    cursor: row-resize;
}

.editor-body.layout-vertical .splitter-handle {
    width: 40px;
    height: 4px;
}

.editor-body.layout-vertical.resizing {
    cursor: row-resize;
}

/* Preview Position Toggle */
.editor-body.preview-first {
    flex-direction: row-reverse;
}

.editor-body.layout-vertical.preview-first {
    flex-direction: column-reverse;
}

/* Tab Bar */
.layout-tab-bar {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 0 0.5rem;
}

.layout-tab {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.layout-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.layout-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Tab Mode */
.editor-body.tab-mode .splitter {
    display: none !important;
}

.editor-body.tab-mode .editor-pane,
.editor-body.tab-mode .preview-pane {
    display: none !important;
    flex: 0 0 0 !important;
}

.editor-body.tab-mode .editor-pane.active {
    display: flex !important;
    flex: 1 1 100% !important;
    max-width: 100% !important;
}

.editor-body.tab-mode .preview-pane.active {
    display: flex !important;
    flex: 1 1 100% !important;
    max-width: 100% !important;
}

/* Popout Mode - Hide preview in main window */
.editor-body.popout-mode .preview-pane {
    display: none;
}

.editor-body.popout-mode .splitter {
    display: none;
}

.editor-body.popout-mode .editor-pane {
    flex: 1 1 100%;
}

/* Layout button active state */
.layout-controls .btn-icon.active {
    background: var(--accent-bg);
    color: var(--accent);
}

/* CodeMirror 5 Editor Styles */
.editor-pane {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.codemirror-wrapper {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.codemirror-wrapper .CodeMirror {
    flex: 1;
    height: 100%;
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.codemirror-wrapper .CodeMirror-gutters {
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border);
}

.codemirror-wrapper .CodeMirror-linenumber {
    color: var(--text-muted);
    padding: 0 8px;
}

.codemirror-wrapper .CodeMirror-cursor {
    border-left-color: var(--text-primary);
}

.codemirror-wrapper .CodeMirror-selected {
    background: var(--accent-bg) !important;
}

.codemirror-wrapper .CodeMirror-activeline-background {
    background: rgba(0, 0, 0, 0.03);
}

[data-theme="dark"] .codemirror-wrapper .CodeMirror-activeline-background {
    background: rgba(255, 255, 255, 0.03);
}

/* Light theme overrides for CodeMirror default theme */
.codemirror-wrapper .CodeMirror.cm-s-default {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.codemirror-wrapper .CodeMirror.cm-s-default .CodeMirror-gutters {
    background-color: var(--bg-secondary);
    border-right-color: var(--border);
}

.editor-pane textarea {
    flex: 1;
    padding: 1.5rem;
    border: none;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Menlo', monospace;
    font-size: 0.875rem;
    line-height: 1.7;
    resize: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.editor-pane textarea::placeholder {
    color: var(--text-muted);
}

.editor-pane textarea:focus {
    outline: none;
}

.editor-pane textarea:focus-visible {
    outline: none;
}

/* Preview Pane - GitHub Markdown Style */
.preview-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden; /* Let #previewContent handle scrolling */
    background-color: var(--bg-secondary);
    min-width: 200px;
    min-height: 0; /* Important for flex child to shrink properly */
    transition: background-color 0.2s ease;
}

.preview-pane h1, .preview-pane h2, .preview-pane h3,
.preview-pane h4, .preview-pane h5, .preview-pane h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.preview-pane h1:first-child,
.preview-pane h2:first-child,
.preview-pane h3:first-child {
    margin-top: 0;
}

.preview-pane h1 {
    font-size: 2em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border);
}
.preview-pane h2 {
    font-size: 1.5em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border);
}
.preview-pane h3 { font-size: 1.25em; }
.preview-pane h4 { font-size: 1em; }
.preview-pane h5 { font-size: 0.875em; }
.preview-pane h6 { font-size: 0.85em; color: var(--text-muted); }

.preview-pane p {
    margin-bottom: 16px;
    line-height: 1.6;
    color: var(--text-primary);
}

.preview-pane a {
    color: var(--accent);
    text-decoration: none;
}

.preview-pane a:hover {
    text-decoration: underline;
}

.preview-pane strong {
    font-weight: 600;
    color: var(--text-primary);
}

.preview-pane em {
    font-style: italic;
}

/* GitHub Style Code */
.preview-pane code {
    background-color: var(--bg-tertiary);
    padding: 0.2em 0.4em;
    border-radius: 6px;
    font-family: 'JetBrains Mono', 'Fira Code', 'SFMono-Regular', Consolas, monospace;
    font-size: 85%;
    color: var(--text-primary);
}

.preview-pane pre {
    background-color: var(--bg-code);
    padding: 16px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: 16px;
    border: 1px solid var(--border);
}

.preview-pane pre code {
    padding: 0;
    background: none;
    border-radius: 0;
    font-size: 85%;
    line-height: 1.45;
    /* Color is managed by highlight.js token classes */
}

/* GitHub Style Lists */
.preview-pane ul, .preview-pane ol {
    margin-bottom: 16px;
    padding-left: 2em;
    color: var(--text-primary);
}

.preview-pane li {
    margin-bottom: 4px;
}

.preview-pane li + li {
    margin-top: 4px;
}

.preview-pane ul ul, .preview-pane ol ol,
.preview-pane ul ol, .preview-pane ol ul {
    margin-top: 4px;
    margin-bottom: 0;
}

/* GitHub Style Blockquote */
.preview-pane blockquote {
    border-left: 4px solid var(--border);
    padding: 0 16px;
    margin: 0 0 16px 0;
    color: var(--text-muted);
}

.preview-pane blockquote > :first-child {
    margin-top: 0;
}

.preview-pane blockquote > :last-child {
    margin-bottom: 0;
}

/* GitHub Style Horizontal Rule */
.preview-pane hr {
    height: 4px;
    padding: 0;
    margin: 24px 0;
    background-color: var(--border);
    border: 0;
    border-radius: 2px;
}

/* GitHub Style Table */
.preview-pane table {
    width: 100%;
    border-spacing: 0;
    border-collapse: collapse;
    margin-bottom: 16px;
    display: block;
    overflow-x: auto;
}

.preview-pane table th,
.preview-pane table td {
    padding: 6px 13px;
    border: 1px solid var(--border);
    text-align: left;
}

.preview-pane table th {
    font-weight: 600;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.preview-pane table tr {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border);
}

.preview-pane table tr:nth-child(2n) {
    background-color: var(--bg-secondary);
}

.preview-pane table tr:hover {
    background-color: var(--bg-tertiary);
}

/* GitHub Style Task List */
.preview-pane input[type="checkbox"] {
    margin-right: 8px;
    vertical-align: middle;
}

/* GitHub Style Images */
.preview-pane img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 16px 0;
    /* Prevent image dragging to avoid triggering file drop overlay */
    -webkit-user-drag: none;
    -khtml-user-drag: none;
    -moz-user-drag: none;
    -o-user-drag: none;
    user-drag: none;
    pointer-events: auto;
}

/* shadcn/ui inspired Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 50;
    background-color: hsl(0 0% 0% / 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: overlayShow 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Nested modals (higher z-index for modals opened from other modals) */
#addUserModal,
#setPasswordModal,
#passwordModal {
    z-index: 60;
}

@keyframes overlayShow {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: var(--bg-primary);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 28rem;
    box-shadow: var(--shadow-lg);
    animation: contentShow 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes contentShow {
    from {
        opacity: 0;
        transform: scale(0.96);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-content.modal-large {
    max-width: 42rem;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-content.modal-xlarge {
    max-width: 90vw;
    width: 1200px;
    max-height: 85vh;
    overflow-y: auto;
}

.modal-content.modal-fullwidth {
    max-width: 95vw;
    width: 95vw;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-content.modal-small {
    max-width: 360px;
}

/* Confirm Modal */
.confirm-modal-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.confirm-modal-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.confirm-modal-icon {
    font-size: 1.5rem;
    line-height: 1;
}

.confirm-modal-message {
    color: var(--text-secondary);
    margin: 0 0 8px 0;
    line-height: 1.5;
}

/* Confirm Modal - Danger variant */
.confirm-modal-danger .confirm-modal-icon {
    color: var(--error);
}

.modal-content.confirm-modal-danger .btn#confirmModalOk {
    background: #e74c3c !important;
    border-color: #e74c3c !important;
    color: #fff !important;
}

.modal-content.confirm-modal-danger .btn#confirmModalOk:hover {
    background: #c0392b !important;
    border-color: #c0392b !important;
}

/* Prompt Modal */
.prompt-modal-message {
    color: var(--text-secondary);
    margin: 0 0 12px 0;
    line-height: 1.5;
}

.prompt-modal-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.prompt-modal-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.prompt-modal-input::placeholder {
    color: var(--text-muted);
}

/* New Note Location Modal */
.new-note-location-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
}

.location-option {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
}

.location-option:hover {
    background: var(--bg-secondary);
    border-color: var(--accent);
}

.location-option.selected {
    background: var(--accent-bg);
    border-color: var(--accent);
}

.location-icon {
    font-size: 1.2rem;
}

.folder-selection-area {
    margin: 12px 0;
}

.folder-selection-header {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.folder-selection-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
}

.folder-selection-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s ease;
}

.folder-selection-item:last-child {
    border-bottom: none;
}

.folder-selection-item:hover {
    background: var(--bg-tertiary);
}

.folder-selection-item.selected {
    background: var(--accent);
    color: white;
}

.new-folder-area {
    margin: 12px 0;
}

.new-folder-area label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.new-folder-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.new-folder-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* Move Note Modal */
.move-note-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.move-folder-list-container {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.move-folder-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s ease;
}

.move-folder-item:last-child {
    border-bottom: none;
}

.move-folder-item:hover {
    background: var(--bg-secondary);
}

.move-folder-item.selected {
    background: var(--accent);
    color: white;
}

.move-folder-item.selected .folder-icon {
    filter: brightness(1.2);
}

.move-folder-item.current {
    background: var(--bg-tertiary);
    opacity: 0.6;
    cursor: not-allowed;
}

.move-folder-item .folder-icon {
    font-size: 1.1rem;
}

.move-folder-item .folder-path {
    font-size: 0.9rem;
}

.move-folder-list {
    /* Container for folder items */
}

.modal-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.025em;
}

.modal-content p {
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.5;
}

.modal-content input {
    display: flex;
    width: 100%;
    height: 2.5rem;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--input-border);
    border-radius: var(--radius);
    background-color: transparent;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.modal-content input:focus {
    outline: none;
    border-color: var(--ring);
    box-shadow: 0 0 0 3px var(--accent-bg);
}

.modal-content input::placeholder {
    color: var(--text-muted);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

/* History List */
.history-list {
    max-height: 400px;
    overflow-y: auto;
    margin: 0 -1.5rem;
    padding: 0 1.5rem;
}

.history-item {
    padding: 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
}

.history-item:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-light);
}

.history-item .commit-hash {
    font-family: 'JetBrains Mono', monospace;
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--accent-bg);
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.history-item .commit-message {
    margin: 0.5rem 0 0.25rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.history-item .commit-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Version Content */
.version-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.version-header h3 {
    margin: 0;
}

.version-tabs {
    display: flex;
    gap: 5px;
}

.version-tab {
    padding: 6px 12px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.version-tab:hover {
    background: var(--bg-tertiary);
}

.version-tab.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.version-content {
    background-color: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--radius);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    white-space: pre-wrap;
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Version modal header */
.version-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-shrink: 0;
}

.version-modal-header h3 {
    margin: 0;
}

/* Diff legend */
.diff-legend {
    display: flex;
    gap: 16px;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.diff-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.diff-legend-color {
    width: 14px;
    height: 14px;
    border-radius: 3px;
}

.diff-legend-color.removed {
    background: rgba(255, 100, 100, 0.3);
    border: 1px solid rgba(255, 100, 100, 0.5);
}

.diff-legend-color.added {
    background: rgba(100, 255, 100, 0.3);
    border: 1px solid rgba(100, 255, 100, 0.5);
}

/* 3-way diff layout */
.version-3way-container {
    display: flex;
    gap: 10px;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.version-list-panel {
    width: 220px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.version-list-header {
    padding: 10px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.version-history-list {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-secondary);
}

.version-history-item {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s ease;
}

.version-history-item:hover {
    background: var(--bg-tertiary);
}

.version-history-item.active {
    background: var(--accent);
    color: white;
}

.version-history-item.active .version-item-hash,
.version-history-item.active .version-item-message,
.version-history-item.active .version-item-date {
    color: rgba(255, 255, 255, 0.9);
}

.version-item-hash {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 2px;
}

.version-item-message {
    font-size: 0.85rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.version-item-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.version-hash-badge {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 8px;
}

/* Side-by-side diff styles */
.version-diff-container {
    display: flex;
    gap: 10px;
    max-height: 500px;
}

.diff-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.diff-panel-header {
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.diff-panel.diff-old .diff-panel-header {
    color: #f85149;
}

.diff-panel.diff-new .diff-panel-header {
    color: #3fb950;
}

.diff-panel-content {
    flex: 1;
    overflow-y: auto;
    background-color: var(--bg-secondary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
}

/* Diff line styles */
.diff-line {
    display: flex;
    padding: 1px 8px;
    white-space: pre;
    min-height: 1.5em;
}

.diff-line.added {
    background-color: rgba(46, 160, 67, 0.15);
}

.diff-line.removed {
    background-color: rgba(248, 81, 73, 0.15);
}

.diff-line.changed {
    background-color: rgba(210, 153, 34, 0.15);
}

.diff-line.empty {
    background-color: var(--bg-tertiary);
    opacity: 0.5;
}

.diff-line-number {
    flex-shrink: 0;
    width: 40px;
    color: var(--text-muted);
    text-align: right;
    padding-right: 8px;
    user-select: none;
    opacity: 0.6;
    border-right: 1px solid var(--border);
    margin-right: 8px;
}

.diff-line-content {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ============================================
   Legacy Responsive (DEPRECATED - See Mobile UI Mode below)
   These rules are kept for fallback but most are overridden
   by the Enhanced Mobile Media Queries section
   ============================================ */

/* Tablet and larger - splitter behavior */
@media (min-width: 769px) {
    .container {
        flex-direction: row;
    }

    .mobile-sidebar-toggle {
        display: none !important;
    }

    .sidebar-overlay {
        display: none !important;
    }
}

/* Touch device improvements (applies to all screen sizes) */
@media (pointer: coarse) {
    .btn-icon {
        min-width: 44px;
        min-height: 44px;
        touch-action: manipulation;
    }

    .btn-icon:active {
        transform: scale(0.92);
        background-color: var(--bg-tertiary);
    }
}

/* Tablet calendar - ensure scrollable when resized via splitter */
@media (min-width: 769px) and (max-width: 1366px) {
    .mini-calendar-body {
        overflow: auto;
        max-height: none;
    }
}

/* Touch device improvements */
@media (pointer: coarse) {
    .btn-icon {
        min-width: 44px;
        min-height: 44px;
        touch-action: manipulation;
    }

    .btn-icon:active {
        transform: scale(0.92);
        background-color: var(--bg-tertiary);
    }

    /* Ensure buttons are clearly tappable */
    .editor-actions .btn-icon {
        position: relative;
        z-index: 1;
    }

    /* Disable hover effects on touch devices */
    .btn-icon:hover {
        background-color: transparent;
    }

    .btn-icon:active {
        background-color: var(--bg-tertiary);
    }
}

/* Smooth theme transition */
@media (prefers-reduced-motion: no-preference) {
    * {
        transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none;
    }
}

/* Tree Structure */
.note-list {
    list-style: none;
    padding: 8px;
}

.note-list ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tree-folder {
    margin-bottom: 2px;
}

.tree-folder-header {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 10px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.tree-folder-header:hover {
    background-color: var(--bg-tertiary);
}

.tree-folder-header.expanded {
    color: var(--text-primary);
}

.tree-toggle {
    font-size: 0.65rem;
    color: var(--text-muted);
    width: 12px;
    text-align: center;
}

.tree-folder-icon {
    font-size: 1rem;
}

.tree-folder-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.tree-count {
    font-size: 0.7rem;
    background: var(--bg-tertiary);
    color: var(--text-muted);
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 500;
}

.tree-folder-content {
    margin-left: 0;
}

.note-list-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    margin-bottom: 1px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    border: 1px solid transparent;
}

.note-list-item:hover {
    background-color: var(--bg-tertiary);
}

.note-list-item.active {
    background-color: var(--accent-bg);
    border-color: var(--accent-light);
}

.tree-note-icon {
    font-size: 1rem;
    flex-shrink: 0;
}

.note-info {
    flex: 1;
    min-width: 0;
}

.note-list-item .note-title {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.note-list-item.active .note-title {
    color: var(--accent);
}

.note-list-item .note-title .lock-icon {
    color: var(--warning);
    font-size: 0.75rem;
}

.note-list-item .note-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.note-type-badge {
    display: inline-block;
    padding: 0.0625rem 0.3rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-muted);
}

/* shadcn/ui inspired Context Menu (Dropdown) */
.context-menu {
    position: fixed;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    padding: 0.25rem;
    min-width: 10rem;
    z-index: 50;
    animation: dropdownShow 0.1s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes dropdownShow {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-primary);
    transition: background-color 0.1s ease;
    outline: none;
}

.context-menu-item:hover,
.context-menu-item:focus {
    background-color: var(--bg-tertiary);
}

.context-menu-item.context-menu-danger {
    color: var(--danger);
}

.context-menu-item.context-menu-danger:hover {
    background-color: var(--danger-bg);
}

.context-icon {
    font-size: 0.875rem;
    width: 1rem;
    text-align: center;
    color: var(--text-muted);
}

.context-menu-item:hover .context-icon {
    color: var(--text-primary);
}

.context-menu-item.context-menu-danger .context-icon {
    color: var(--danger);
}

.context-menu-divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem -0.25rem;
}

/* Note Info Modal */
.note-info-modal {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border);
    min-width: 320px;
    max-width: 480px;
}

.note-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.note-info-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.note-info-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.note-info-close:hover {
    color: var(--text-primary);
}

.note-info-content {
    padding: 1rem 1.25rem;
}

.note-info-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.note-info-row:last-child {
    border-bottom: none;
}

.note-info-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    flex-shrink: 0;
    margin-right: 1rem;
}

.note-info-value {
    color: var(--text-primary);
    font-size: 0.875rem;
    text-align: right;
    word-break: break-all;
}

.note-info-path {
    font-family: monospace;
    font-size: 0.8rem;
    background: var(--bg-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--border);
    z-index: 10000;
    opacity: 0;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

[data-theme="dark"] .toast {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* Improved Table Styles for Markdown */
.preview-pane table {
    width: 100%;
    border-spacing: 0;
    border-collapse: collapse;
    margin: 16px 0;
    display: table;
    overflow-x: auto;
    font-size: 0.875rem;
}

.preview-pane table th,
.preview-pane table td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.preview-pane table th {
    font-weight: 600;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    white-space: nowrap;
}

.preview-pane table tbody tr {
    background-color: var(--bg-primary);
}

.preview-pane table tbody tr:nth-child(even) {
    background-color: var(--bg-secondary);
}

.preview-pane table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

/* Table wrapper for horizontal scroll */
.preview-pane .table-wrapper {
    overflow-x: auto;
    margin: 16px 0;
}

/* Prevent table text from being tiny */
.preview-pane table code {
    font-size: 0.8rem;
}

/* Drag and Drop Styles */
.drag-handle {
    cursor: grab;
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: -2px;
    margin-right: 6px;
    opacity: 0.5;
    transition: opacity 0.15s ease;
}

.note-list-item:hover .drag-handle {
    opacity: 1;
}

.note-list-item[draggable="true"] {
    cursor: grab;
}

.note-list-item.dragging {
    opacity: 0.5;
    background-color: var(--accent-bg);
    cursor: grabbing;
}

/* Note Edit Button */
.note-edit-btn {
    display: none;
    background: none;
    border: none;
    padding: 4px 6px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-muted);
    border-radius: var(--radius);
    transition: all 0.15s ease;
    margin-left: auto;
    flex-shrink: 0;
}

.note-edit-btn:hover {
    background-color: var(--accent-bg);
    color: var(--accent);
}

.note-list-item:hover .note-edit-btn {
    display: flex;
}

.note-list-item.active .note-edit-btn {
    display: flex;
}

/* Editing state - highlight when in edit mode */
.note-list-item.editing {
    background-color: var(--accent-bg);
    border-color: var(--accent);
}

.note-list-item.editing .note-edit-btn {
    color: var(--accent);
    background-color: rgba(var(--accent-rgb), 0.2);
}

.tree-folder-header.drag-over,
.note-list.drag-over {
    background-color: var(--accent-bg);
    outline: 2px dashed var(--accent);
    outline-offset: -2px;
}

/* Pane Header Styles */
.pane-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.pane-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pane-fullscreen-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 1rem;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.pane-fullscreen-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* Fullscreen Pane Styles */
.editor-pane {
    display: flex;
    flex-direction: column;
}

.editor-pane.fullscreen,
.preview-pane.fullscreen {
    flex: 1 1 100% !important;
    max-width: 100% !important;
}

.editor-body.single-pane {
    gap: 0;
}

.editor-pane textarea {
    flex: 1;
}

/* Preview pane layout adjustment */
.preview-pane {
    display: flex;
    flex-direction: column;
}

#previewContent {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
    min-height: 0; /* Important for flex child to allow scrolling */
}

/* Share Modal Styles */
.share-link-container {
    display: flex;
    gap: 8px;
    margin: 16px 0;
}

.share-link-container input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.875rem;
}

.share-link-container input:focus {
    outline: none;
    border-color: var(--accent);
}

.share-status {
    min-height: 20px;
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.share-status.success {
    color: var(--success);
}

.share-status.error {
    color: var(--danger);
}

/* Help Modal */
.modal-help {
    max-width: 480px;
    padding: 0;
    overflow: hidden;
}

.help-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.help-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.help-close-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.help-close-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.help-content {
    padding: 16px 20px;
    max-height: 400px;
    overflow-y: auto;
}

.help-section {
    margin-bottom: 20px;
}

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.shortcut-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.shortcut-keys {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8125rem;
}

.shortcut-keys kbd {
    display: inline-block;
    padding: 3px 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
}

.shortcut-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.help-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-tertiary);
}

.help-tip {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Code Block Syntax Highlighting */
.preview-pane pre {
    position: relative;
    background: #f6f8fa;
    border-radius: var(--radius);
    padding: 16px;
    padding-top: 36px;
    overflow-x: auto;
    margin: 16px 0;
    border: 1px solid #d0d7de;
}

[data-theme="dark"] .preview-pane pre {
    background: #0d1117;
    border-color: #30363d;
}

/* AsciiDoctor listing block styles */
.preview-pane .listingblock {
    margin: 1rem 0;
}

.preview-pane .listingblock .content {
    position: relative;
}

.preview-pane .listingblock pre.highlight {
    background: #f6f8fa;
    border: 1px solid #e1e4e8;
    border-radius: 6px;
    padding: 1rem;
    margin: 0;
    overflow-x: auto;
}

[data-theme="dark"] .preview-pane .listingblock pre.highlight {
    background: #0d1117;
    border-color: #30363d;
}

.preview-pane .listingblock pre.highlight code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    background: transparent;
    padding: 0;
}

.preview-pane pre code.hljs {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    background: transparent !important;
    padding: 0;
    display: block;
    overflow-x: auto;
    counter-reset: line;
}

/* Code line with line number */
.code-line {
    display: block;
    min-height: 1.6em;
}

.line-number {
    display: inline-block;
    width: 3em;
    padding-right: 1em;
    text-align: right;
    color: #6e7781;
    user-select: none;
    border-right: 1px solid #d0d7de;
    margin-right: 1em;
}

[data-theme="dark"] .line-number {
    color: #484f58;
    border-right-color: #30363d;
}

.line-content {
    display: inline;
}

/* Adjust for longer line numbers */
code.hljs[data-line-count^="1"] .line-number,
code.hljs[data-line-count^="2"] .line-number,
code.hljs[data-line-count^="3"] .line-number,
code.hljs[data-line-count^="4"] .line-number,
code.hljs[data-line-count^="5"] .line-number,
code.hljs[data-line-count^="6"] .line-number,
code.hljs[data-line-count^="7"] .line-number,
code.hljs[data-line-count^="8"] .line-number,
code.hljs[data-line-count^="9"] .line-number {
    width: 2em;
}

code.hljs[data-line-count^="100"] .line-number,
code.hljs[data-line-count^="1000"] .line-number {
    width: 4em;
}

/* Inline code */
.preview-pane code:not(.hljs) {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--accent);
}

/* Language label */
.code-lang-label {
    position: absolute;
    top: 8px;
    left: 12px;
    font-size: 0.7rem;
    color: #57606a;
    text-transform: uppercase;
    font-family: 'Inter', sans-serif;
    letter-spacing: 0.5px;
}

[data-theme="dark"] .code-lang-label {
    color: #7d8590;
}

/* Code copy button */
.code-copy-btn {
    position: absolute;
    top: 6px;
    right: 8px;
    background: transparent;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    padding: 4px 8px;
    cursor: pointer;
    font-size: 0.8rem;
    color: #57606a;
    opacity: 0;
    transition: opacity 0.2s, background-color 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.preview-pane pre:hover .code-copy-btn {
    opacity: 1;
}

.code-copy-btn:hover {
    background: #f3f4f6;
    color: #24292f;
}

.code-copy-btn .check-icon {
    color: #1a7f37;
}

[data-theme="dark"] .code-copy-btn {
    border-color: #30363d;
    color: #7d8590;
}

[data-theme="dark"] .code-copy-btn:hover {
    background: #21262d;
    color: #e6edf3;
}

[data-theme="dark"] .code-copy-btn .check-icon {
    color: #3fb950;
}

/* Highlight.js Base */
.hljs {
    background: transparent !important;
    color: #24292f;
}

[data-theme="dark"] .hljs {
    color: #e6edf3;
}

/* ===== GitHub Light Theme (Default) ===== */

/* Keywords, operators */
.hljs-keyword,
.hljs-selector-tag,
.hljs-literal,
.hljs-title.function_.invoke__,
.hljs-deletion {
    color: #cf222e;
}

/* Strings, characters */
.hljs-string,
.hljs-doctag,
.hljs-regexp,
.hljs-addition {
    color: #0a3069;
}

/* Numbers */
.hljs-number {
    color: #0550ae;
}

/* Built-in, types */
.hljs-built_in,
.hljs-type,
.hljs-class .hljs-title,
.hljs-title.class_ {
    color: #953800;
}

/* Functions */
.hljs-title,
.hljs-title.function_,
.hljs-section {
    color: #8250df;
}

/* Variables, attributes */
.hljs-variable,
.hljs-template-variable,
.hljs-attr,
.hljs-attribute {
    color: #0550ae;
}

/* Comments */
.hljs-comment,
.hljs-quote {
    color: #6e7781;
    font-style: italic;
}

/* Meta, preprocessor */
.hljs-meta,
.hljs-meta .hljs-keyword {
    color: #cf222e;
}

/* Tags (HTML/XML) */
.hljs-tag {
    color: #116329;
}

.hljs-name,
.hljs-selector-id,
.hljs-selector-class {
    color: #116329;
}

/* Symbols, bullets */
.hljs-symbol,
.hljs-bullet,
.hljs-link {
    color: #0a3069;
}

/* Emphasis */
.hljs-emphasis {
    font-style: italic;
}

.hljs-strong {
    font-weight: bold;
}

/* ===== GitHub Dark Theme ===== */

[data-theme="dark"] .hljs-keyword,
[data-theme="dark"] .hljs-selector-tag,
[data-theme="dark"] .hljs-literal,
[data-theme="dark"] .hljs-title.function_.invoke__,
[data-theme="dark"] .hljs-deletion {
    color: #ff7b72;
}

[data-theme="dark"] .hljs-string,
[data-theme="dark"] .hljs-doctag,
[data-theme="dark"] .hljs-regexp,
[data-theme="dark"] .hljs-addition {
    color: #a5d6ff;
}

[data-theme="dark"] .hljs-number {
    color: #79c0ff;
}

[data-theme="dark"] .hljs-built_in,
[data-theme="dark"] .hljs-type,
[data-theme="dark"] .hljs-class .hljs-title,
[data-theme="dark"] .hljs-title.class_ {
    color: #ffa657;
}

[data-theme="dark"] .hljs-title,
[data-theme="dark"] .hljs-title.function_,
[data-theme="dark"] .hljs-section {
    color: #d2a8ff;
}

[data-theme="dark"] .hljs-variable,
[data-theme="dark"] .hljs-template-variable,
[data-theme="dark"] .hljs-attr,
[data-theme="dark"] .hljs-attribute {
    color: #79c0ff;
}

[data-theme="dark"] .hljs-comment,
[data-theme="dark"] .hljs-quote {
    color: #8b949e;
}

[data-theme="dark"] .hljs-meta,
[data-theme="dark"] .hljs-meta .hljs-keyword {
    color: #f85149;
}

[data-theme="dark"] .hljs-tag {
    color: #7ee787;
}

[data-theme="dark"] .hljs-name,
[data-theme="dark"] .hljs-selector-id,
[data-theme="dark"] .hljs-selector-class {
    color: #7ee787;
}

[data-theme="dark"] .hljs-symbol,
[data-theme="dark"] .hljs-bullet,
[data-theme="dark"] .hljs-link {
    color: #a5d6ff;
}

/* ============================================
   User Menu Styles
   ============================================ */

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.user-menu-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
}

.user-menu-btn .user-icon {
    font-size: 1rem;
}

.user-menu-btn .user-name {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-menu-btn .dropdown-arrow {
    font-size: 0.625rem;
    color: var(--text-muted);
    transition: transform 0.15s ease;
}

.user-menu.open .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 160px;
    width: max-content;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.15s ease;
    z-index: 1000;
}

.user-menu.open .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
}

.user-icon-large {
    font-size: 1.5rem;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.user-name-large {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.user-role {
    font-size: 0.75rem;
    color: var(--accent);
    font-weight: 500;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    white-space: nowrap;
    transition: background-color 0.15s ease;
}

.user-dropdown-item:hover {
    background: var(--bg-tertiary);
}

.user-dropdown-item span {
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

/* ============================================
   Admin Users Modal Styles
   ============================================ */

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.modal-header h3 {
    margin: 0;
}

.users-list {
    max-height: 280px;
    overflow-y: auto;
    background: var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.user-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
}

.user-item-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-item-avatar {
    width: 1.75rem;
    height: 1.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
}

.user-item-details {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.user-item-name {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--text-primary);
}

.user-item-meta {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.user-item-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.0625rem 0.375rem;
    background: var(--accent-bg);
    color: var(--accent);
    font-size: 0.625rem;
    font-weight: 500;
    border-radius: 9999px;
    margin-left: 0.375rem;
}

.user-item-actions {
    display: flex;
    gap: 0.25rem;
}

.btn-icon-sm {
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.75rem;
}

.btn-icon-sm:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-icon-sm.btn-danger:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
    color: var(--danger);
}

/* User Item Wrapper for password form */
.user-item-wrapper {
    background: var(--bg-primary);
}

.user-item-wrapper:first-child {
    border-radius: var(--radius) var(--radius) 0 0;
}

.user-item-wrapper:last-child {
    border-radius: 0 0 var(--radius) var(--radius);
}

.user-item-wrapper:first-child .user-item {
    border-radius: var(--radius) var(--radius) 0 0;
}

.user-item-wrapper:last-child .user-item {
    border-radius: 0 0 var(--radius) var(--radius);
}

.user-item-wrapper:last-child .user-password-form {
    border-radius: 0 0 var(--radius) var(--radius);
}

/* Password Form */
.user-password-form {
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.password-form-row {
    margin-bottom: 0.5rem;
}

.password-form-row:last-child {
    margin-bottom: 0;
}

.password-input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.8125rem;
}

.password-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-bg);
}

.password-form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 0.75rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-sm:hover {
    background: var(--bg-tertiary);
}

.btn-sm.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: white;
}

.btn-sm.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

/* Shared Links List */
.shared-links-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: var(--text-muted);
    gap: 0.5rem;
}

.shared-links-empty .empty-icon {
    font-size: 2rem;
    opacity: 0.5;
}

.shared-links-list {
    max-height: 320px;
    overflow-y: auto;
    background: var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.shared-link-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.75rem;
    background: var(--bg-primary);
    gap: 0.75rem;
}

.shared-link-item:first-child {
    border-radius: var(--radius) var(--radius) 0 0;
}

.shared-link-item:last-child {
    border-radius: 0 0 var(--radius) var(--radius);
}

.shared-link-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.shared-link-title {
    font-weight: 500;
    font-size: 0.8125rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.shared-link-url {
    font-size: 0.6875rem;
    color: var(--accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
}

.shared-link-url:hover {
    text-decoration: underline;
}

.shared-link-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.shared-link-expiry {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.shared-link-expiry.expired {
    color: var(--danger);
}

.shared-link-expiry.expiring-soon {
    color: var(--warning, #f59e0b);
}

.shared-link-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

/* Expiry Date Input */
.expiry-date-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    cursor: pointer;
    min-width: 6rem;
}

.expiry-date-display {
    color: var(--text-primary);
    font-family: inherit;
    pointer-events: none;
}

.expiry-date-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    border: none;
    background: transparent;
}

.expiry-date-wrapper::after {
    content: "📅";
    margin-left: 0.375rem;
    font-size: 0.75rem;
    pointer-events: none;
}

/* Form Group for Modals */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-group input[type="text"],
.form-group input[type="password"] {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: all 0.15s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus {
    outline: none;
    border-color: var(--ring);
    box-shadow: 0 0 0 2px hsla(var(--ring), 0.2);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent);
}

/* ============================================
   Tags Section Styles
   ============================================ */

.tags-section {
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 0.375rem 0.75rem;
}

.tags-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    position: relative;
}

.tags-icon {
    font-size: 0.875rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    align-items: center;
}

.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    background: var(--accent-bg);
    color: var(--accent);
    border-radius: 1rem;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.tag-item:hover {
    background: var(--accent);
    color: var(--bg);
}

.tag-item .tag-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    font-size: 0.625rem;
    border-radius: 50%;
    opacity: 0.6;
    transition: opacity 0.15s ease;
    /* Expand touch area for tablets */
    position: relative;
}

.tag-item .tag-remove::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
}

.tag-item:hover .tag-remove {
    opacity: 1;
}

.tag-input {
    flex: 1;
    min-width: 80px;
    max-width: 150px;
    padding: 0.125rem 0.5rem;
    border: 1px solid transparent;
    border-radius: 1rem;
    background: transparent;
    font-size: 0.75rem;
    color: var(--text);
    outline: none;
    transition: all 0.15s ease;
}

.tag-input:focus {
    border-color: var(--accent);
    background: var(--bg);
}

.tag-input::placeholder {
    color: var(--text-muted);
}

.tag-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 200px;
    overflow-y: auto;
    background-color: var(--bg-secondary);
    opacity: 1;
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    z-index: 1000;
    margin-top: 0.25rem;
}

.tag-suggestion-item {
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    font-size: 0.8125rem;
    color: var(--text);
    transition: background-color 0.15s ease;
    /* Minimum touch area for tablets */
    min-height: 44px;
    display: flex;
    align-items: center;
}

.tag-suggestion-item:hover,
.tag-suggestion-item.selected {
    background: var(--bg-tertiary);
}

.tag-suggestion-item.create-new {
    color: var(--accent);
    font-style: italic;
}

/* Tag text clickable */
.tag-item .tag-text {
    cursor: pointer;
    transition: opacity 0.15s ease;
}

.tag-item .tag-text:hover {
    opacity: 0.8;
}

/* Tag Notes Modal */
.tag-notes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.tag-notes-title-text {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent);
}

.tag-notes-list {
    max-height: 400px;
    overflow-y: auto;
}

.tag-notes-loading,
.tag-notes-empty {
    padding: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.tag-note-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.tag-note-item:hover {
    background: var(--bg-tertiary);
}

.tag-note-title {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

.tag-note-folder {
    color: var(--text-muted);
    font-weight: 400;
}

.tag-note-date {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    margin-left: 1rem;
    flex-shrink: 0;
}

.tag-note-info {
    flex: 1;
    min-width: 0;
}

.tag-note-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.25rem;
}

.tag-note-tag {
    font-size: 0.6875rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 0.75rem;
}

.tag-note-tag.current {
    color: var(--accent);
    background: var(--accent-bg);
    font-weight: 500;
}

/* ============================================
   Attachments Section Styles
   ============================================ */

.attachments-section {
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.attachments-header {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease;
}

.attachments-header:hover {
    background: var(--bg-tertiary);
}

.attachments-icon {
    font-size: 1rem;
    color: var(--text-muted);
}

.attachments-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.attachments-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.25rem;
    height: 1.25rem;
    padding: 0 0.375rem;
    background: var(--accent-bg);
    color: var(--accent);
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: 9999px;
}

.attachments-toggle {
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    transition: transform 0.2s ease;
}

.attachments-section.collapsed .attachments-toggle .toggle-icon {
    transform: rotate(-90deg);
}

.attachments-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.5rem 1rem 0.75rem;
    max-height: 200px;
    overflow-y: auto;
}

.attachments-section.collapsed .attachments-list {
    display: none;
}

.attachment-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.8125rem;
    transition: all 0.15s ease;
    max-width: 250px;
}

.attachment-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.attachment-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.attachment-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.attachment-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.attachment-size {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

.attachment-actions {
    display: flex;
    gap: 0.25rem;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.attachment-item:hover .attachment-actions {
    opacity: 1;
}

.attachment-btn {
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.15s ease;
}

.attachment-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.attachment-btn.btn-danger:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* File type icons */
.attachment-icon.image { color: #10b981; }
.attachment-icon.pdf { color: #ef4444; }
.attachment-icon.doc { color: #3b82f6; }
.attachment-icon.spreadsheet { color: #22c55e; }
.attachment-icon.archive { color: #f59e0b; }
.attachment-icon.code { color: #8b5cf6; }
.attachment-icon.video { color: #ec4899; }
.attachment-icon.audio { color: #06b6d4; }
.attachment-icon.default { color: var(--text-muted); }

.video-rotate-wrapper {
    position: relative;
    display: block;
    width: 100%;
    margin: 0.5rem 0;
}

.video-rotate-wrapper video {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    transition: transform 0.3s ease;
    transform-origin: left top;
}

.video-rotate-wrapper.rotated-90 video,
.video-rotate-wrapper.rotated-270 video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
}

.video-rotate-wrapper.rotated-90 video {
    transform: rotate(90deg) translateY(-100%);
}

.video-rotate-wrapper.rotated-180 video {
    transform: rotate(180deg);
}

.video-rotate-wrapper.rotated-270 video {
    transform: rotate(-90deg) translateX(-100%);
}

.video-rotate-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s, background 0.2s, transform 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.video-rotate-wrapper:hover .video-rotate-btn,
.video-rotate-btn:focus,
.video-rotate-wrapper.touch-active .video-rotate-btn {
    opacity: 1;
}

.video-rotate-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.video-rotate-btn.hint {
    transform: scale(1.2);
}

.video-rotate-badge {
    position: absolute;
    bottom: 10px;
    right: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.6);
    color: white;
    font-size: 12px;
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.video-rotate-wrapper:hover .video-rotate-badge,
.video-rotate-wrapper.rotated .video-rotate-badge,
.video-rotate-wrapper.touch-active .video-rotate-badge {
    opacity: 1;
}

.preview-pane video,
.preview-content video {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 0.5rem 0;
    background: var(--bg-secondary);
}

.preview-pane audio,
.preview-content audio {
    width: 100%;
    max-width: 400px;
    margin: 0.5rem 0;
}

.preview-pane video::-webkit-media-controls-panel,
.preview-content video::-webkit-media-controls-panel {
    background: linear-gradient(transparent, rgba(0,0,0,0.5));
}

/* Drag and drop overlay */
.drop-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    backdrop-filter: blur(4px);
    border: 3px dashed var(--accent);
    border-radius: var(--radius-lg);
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    pointer-events: none;
}

.drop-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.drop-overlay-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.drop-overlay-icon {
    font-size: 3rem;
    animation: bounce 0.6s ease infinite;
}

.drop-overlay-text {
    font-size: 1rem;
    font-weight: 500;
    color: var(--accent);
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Legacy dropzone styles */
.attachments-dropzone {
    position: relative;
}

.attachments-dropzone.dragover::after {
    content: 'Drop files here to attach';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border: 2px dashed var(--accent);
    border-radius: var(--radius);
    color: var(--accent);
    font-weight: 500;
    font-size: 0.875rem;
    z-index: 10;
}

/* ============================================
   Settings Modal Styles
   ============================================ */

.settings-modal {
    max-width: 560px;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.settings-header h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.modal-close-btn {
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.15s ease;
}

.modal-close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.settings-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.settings-tabs {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    min-width: 120px;
}

.settings-tab {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.625rem;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-align: left;
}

.settings-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.settings-tab.active {
    background: var(--accent-bg);
    color: var(--accent);
}

.settings-tab span:first-child {
    font-size: 0.875rem;
}

.settings-tab span:last-child {
    font-size: 0.75rem;
}

.settings-content {
    flex: 1;
    padding: 0.75rem 1rem;
    overflow-y: auto;
}

.settings-panel {
    display: none;
}

.settings-panel.active {
    display: block;
}

.settings-panel h4 {
    margin: 0 0 0.625rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.settings-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.625rem;
}

.settings-panel-header h4 {
    margin: 0;
}

.settings-section {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.75rem;
    background: var(--bg-primary);
    border: none;
    border-radius: 0;
}

.settings-item:first-child {
    border-radius: var(--radius) var(--radius) 0 0;
}

.settings-item:last-child {
    border-radius: 0 0 var(--radius) var(--radius);
}

.settings-item:only-child {
    border-radius: var(--radius);
}

.settings-item-info {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.settings-item-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.settings-item-desc {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 1px;
}

.settings-select {
    padding: 0.375rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.75rem;
    cursor: pointer;
    min-width: 90px;
}

.settings-select:focus {
    outline: none;
    border-color: var(--ring);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: 0.2s;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 2px;
    bottom: 2px;
    background: white;
    border-radius: 50%;
    transition: 0.2s;
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--accent);
    border-color: var(--accent);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(16px);
}

/* Syntax Help Modal */
.syntax-help-modal {
    max-width: 700px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.syntax-help-body {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.syntax-tabs {
    display: flex;
    gap: 0.25rem;
    padding: 0.75rem 1rem 0;
    border-bottom: 1px solid var(--border);
}

.syntax-tab {
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.syntax-tab:hover {
    color: var(--text-primary);
}

.syntax-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.syntax-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.syntax-panel {
    display: none;
}

.syntax-panel.active {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.syntax-section {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 0.75rem;
    border: 1px solid var(--border);
}

.syntax-section h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.syntax-example {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.syntax-example pre {
    flex: 1;
    margin: 0;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow-x: auto;
}

.syntax-example code {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.6875rem;
    line-height: 1.4;
    color: var(--text-primary);
    white-space: pre;
}

.syntax-result {
    flex: 1;
    padding: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    line-height: 1.4;
    overflow: hidden;
}

.syntax-result code {
    background: var(--bg-tertiary);
    padding: 1px 4px;
    border-radius: 3px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.6875rem;
}

/* Data Action Cards */
.data-action-card {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.625rem 0.75rem;
    background: var(--bg-primary);
    border: none;
    border-radius: 0;
}

.data-action-card.danger {
    background: color-mix(in srgb, var(--danger) 5%, var(--bg-primary));
}

.data-action-card.danger .data-action-title {
    color: var(--danger);
}

.data-action-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    opacity: 0.8;
}

.data-action-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.data-action-title {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.data-action-desc {
    font-size: 0.6875rem;
    color: var(--text-muted);
    margin-top: 1px;
}

.data-action-card .btn {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
}

/* Stats Header */
.stats-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.stats-header h4 {
    margin: 0;
}

.stats-header .btn-icon {
    font-size: 1.25rem;
    padding: 0.25rem 0.5rem;
}

.stats-header .btn-icon:hover {
    background: var(--bg-hover);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: center;
}

.stat-icon {
    font-size: 1.125rem;
    opacity: 0.7;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.6875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.stats-details h5 {
    margin: 0 0 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.stats-bar-chart {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.stats-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.stats-bar-label {
    width: 70px;
    font-size: 0.6875rem;
    color: var(--text-secondary);
}

.stats-bar-track {
    flex: 1;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    overflow: hidden;
}

.stats-bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.stats-bar-value {
    width: 40px;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: right;
}

.recent-activity {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    font-size: 0.8125rem;
}

.activity-icon {
    font-size: 1rem;
    color: var(--text-muted);
}

.activity-text {
    flex: 1;
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.6875rem;
    color: var(--text-muted);
}

/* About Section */
.about-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.about-icon {
    font-size: 3rem;
}

.about-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.about-version-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.about-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
}

.about-item:last-child {
    border-bottom: none;
}

.about-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.about-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Code', monospace;
}

.about-description {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
    text-align: center;
}

.about-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.about-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--accent);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.15s ease;
}

.about-link:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
}

/* ============================================
   View Toggle Styles
   ============================================ */

.view-toggle-container {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0.5rem 0.75rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
}

.view-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.15s ease;
}

.view-toggle-btn:first-child {
    border-radius: var(--radius) 0 0 var(--radius);
    border-right: none;
}

.view-toggle-btn:last-child {
    border-radius: 0 var(--radius) var(--radius) 0;
}

.view-toggle-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.view-toggle-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* ============================================
   Calendar View Styles
   ============================================ */

.calendar-view {
    flex: 1;
    display: flex;
    gap: 0;
    overflow: hidden;
    margin: 2px;
    margin-left: 0;
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.calendar-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
    min-width: 0;
}

.calendar-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.calendar-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    min-width: 200px;
    text-align: center;
}

.calendar-nav-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.15s ease;
}

.calendar-nav-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.calendar-today-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
    margin-left: auto;
}

.calendar-today-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    margin-bottom: 0.5rem;
}

.calendar-weekday {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.calendar-weekday.sunday {
    color: #dc2626;
}

.calendar-weekday.saturday {
    color: #2563eb;
}

[data-theme="dark"] .calendar-weekday.sunday {
    color: #f87171;
}

[data-theme="dark"] .calendar-weekday.saturday {
    color: #60a5fa;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
    flex: 1;
}

.calendar-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    background: var(--bg-secondary);
    border: 2px solid transparent;
    min-height: 80px;
    position: relative;
}

.calendar-day:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
}

.calendar-day.other-month {
    opacity: 0.4;
}

.calendar-day.today {
    background: var(--accent-bg);
    border-color: var(--accent);
}

.calendar-day.selected {
    background: var(--accent);
    color: white;
    border-color: var(--accent-dark);
}

.calendar-day.selected .calendar-day-number {
    color: white;
}

.calendar-day.selected .calendar-day-notes-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.calendar-day-number {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.calendar-day.sunday .calendar-day-number {
    color: #dc2626;
}

.calendar-day.saturday .calendar-day-number {
    color: #2563eb;
}

[data-theme="dark"] .calendar-day.sunday .calendar-day-number {
    color: #f87171;
}

[data-theme="dark"] .calendar-day.saturday .calendar-day-number {
    color: #60a5fa;
}

.calendar-day.other-month .calendar-day-number {
    color: var(--text-muted);
}

.calendar-day.other-month.sunday .calendar-day-number {
    color: rgba(220, 38, 38, 0.4);
}

.calendar-day.other-month.saturday .calendar-day-number {
    color: rgba(37, 99, 235, 0.4);
}

[data-theme="dark"] .calendar-day.other-month.sunday .calendar-day-number {
    color: rgba(248, 113, 113, 0.4);
}

[data-theme="dark"] .calendar-day.other-month.saturday .calendar-day-number {
    color: rgba(96, 165, 250, 0.4);
}

.calendar-day.selected.sunday .calendar-day-number,
.calendar-day.selected.saturday .calendar-day-number {
    color: white;
}

.calendar-day-dots {
    display: flex;
    gap: 3px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: auto;
}

.calendar-day-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.calendar-day.selected .calendar-day-dot {
    background: rgba(255, 255, 255, 0.8);
}

.calendar-day-notes-count {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    background: var(--accent-bg);
    color: var(--accent);
    border-radius: 9999px;
    padding: 0 4px;
}

/* Calendar Sidebar */
.calendar-sidebar {
    width: 320px;
    min-width: 320px;
    border-left: 1px solid var(--border);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.calendar-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
}

.calendar-sidebar-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.date-notes-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
}

.date-notes-empty {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem 1rem;
    font-size: 0.875rem;
}

.date-note-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
}

.date-note-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.date-note-item:last-child {
    margin-bottom: 0;
}

.date-note-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.date-note-info {
    flex: 1;
    min-width: 0;
}

.date-note-title {
    font-weight: 500;
    font-size: 0.875rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 0.125rem;
}

.date-note-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.date-note-time {
    color: var(--text-muted);
}

.date-note-type {
    display: inline-block;
    padding: 0.0625rem 0.3rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Calendar Responsive */
@media (max-width: 900px) {
    .calendar-view {
        flex-direction: column;
    }

    .calendar-sidebar {
        width: 100%;
        min-width: 0;
        max-height: 250px;
        border-left: none;
        border-top: 1px solid var(--border);
    }
}

@media (max-width: 600px) {
    .calendar-day {
        min-height: 50px;
        padding: 0.25rem;
    }

    .calendar-day-number {
        font-size: 0.875rem;
    }

    .calendar-title {
        font-size: 1.125rem;
        min-width: 150px;
    }

    .calendar-nav-btn {
        width: 2rem;
        height: 2rem;
    }
}

/* Calendar Drag & Drop Styles */
.date-note-item {
    cursor: grab;
}

.date-note-item:active {
    cursor: grabbing;
}

.date-note-item.dragging {
    opacity: 0.5;
    background: var(--accent-bg);
    border-color: var(--accent);
}

.calendar-grid.drag-active .calendar-day {
    transition: all 0.15s ease;
}

.calendar-grid.drag-active .calendar-day:hover {
    background: var(--accent-bg);
    border-color: var(--accent);
    transform: scale(1.02);
}

.calendar-day.drag-over {
    background: var(--accent) !important;
    border-color: var(--accent-dark) !important;
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.calendar-day.drag-over .calendar-day-number {
    color: white;
}

.calendar-day.drag-over .calendar-day-notes-count {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.calendar-day.drag-over .calendar-day-dot {
    background: rgba(255, 255, 255, 0.8);
}

/* Drag handle indicator on note items */
.date-note-item::before {
    content: "⋮⋮";
    position: absolute;
    left: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: -2px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.date-note-item {
    position: relative;
    padding-left: 1.75rem;
}

.date-note-item:hover::before {
    opacity: 0.5;
}

.date-note-item.dragging::before {
    opacity: 1;
}

/* ============================================
   Locale Selector Styles
   ============================================ */

.locale-selector {
    position: relative;
}

.locale-flag {
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.locale-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 140px;
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.locale-selector.open .locale-dropdown {
    display: block;
}

.locale-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.625rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: background 0.15s ease;
    text-align: left;
}

.locale-option:hover {
    background: var(--bg-tertiary);
}

.locale-option.active {
    background: var(--accent-bg);
    color: var(--accent);
}

.locale-code {
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 24px;
}

.locale-option.active .locale-code {
    color: var(--accent);
}

.locale-name {
    flex: 1;
}

/* ============================================
   Icon Picker Modal
   ============================================ */

.icon-picker-modal {
    width: 400px;
    max-width: 90vw;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.icon-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.icon-picker-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.icon-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
    gap: 0.5rem;
    padding: 1rem;
    overflow-y: auto;
    max-height: 400px;
}

.icon-picker-item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.icon-picker-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: scale(1.1);
}

.icon-picker-item:active {
    transform: scale(0.95);
}

.icon-picker-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: center;
}

.icon-picker-footer .btn {
    min-width: 150px;
}

/* Date Notes Panel */
.date-notes-panel {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    flex-direction: column;
    z-index: 100;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.date-notes-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}

.date-notes-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.date-notes-icon {
    font-size: 1.5rem;
}

.date-notes-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    transition: all 0.15s ease;
    line-height: 1;
}

.date-notes-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.date-notes-list {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.date-notes-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    gap: 0.5rem;
}

.date-notes-empty-icon {
    font-size: 3rem;
    opacity: 0.5;
}

.date-note-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    margin-bottom: 0.5rem;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.15s ease;
}

.date-note-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
    transform: translateX(4px);
}

.date-note-item-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.date-note-item-content {
    flex: 1;
    min-width: 0;
}

.date-note-item-title {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.date-note-item-path {
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.date-note-item-type {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-weight: 500;
    flex-shrink: 0;
}

.date-notes-footer {
    padding: 1rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.date-notes-new-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--accent);
    color: var(--accent-foreground);
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.date-notes-new-btn:hover {
    background: var(--accent-dark);
}

/* Folder Actions */
.folder-actions {
    display: flex;
    gap: 6px;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-primary);
}

.folder-action-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.folder-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--accent);
}

.folder-action-icon {
    font-size: 0.875rem;
}

.folder-action-text {
    font-size: 0.7rem;
}

/* Multi-select mode */
.multi-select-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 8px;
    background: var(--accent);
    color: white;
    font-size: 0.8rem;
    gap: 8px;
    border-bottom: 1px solid var(--border);
}

.multi-select-count {
    font-weight: 600;
    white-space: nowrap;
    padding: 0 4px;
}

.multi-select-actions {
    display: flex;
    gap: 4px;
}

.multi-select-action-btn {
    padding: 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    background: transparent;
    color: white;
    font-size: 0.75rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.multi-select-action-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.multi-select-action-btn.primary {
    background: rgba(255, 255, 255, 0.2);
    font-weight: 600;
}

.multi-select-action-btn.primary:hover {
    background: rgba(255, 255, 255, 0.35);
}

.multi-select-action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.multi-select-checkbox {
    width: 16px;
    height: 16px;
    min-width: 16px;
    border: 2px solid var(--text-muted);
    border-radius: 3px;
    margin-right: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    background: transparent;
}

.multi-select-checkbox.checked {
    background: var(--accent);
    border-color: var(--accent);
}

.multi-select-checkbox.checked::after {
    content: '✓';
    color: white;
    font-size: 11px;
    font-weight: bold;
    line-height: 1;
}

.note-list-item.multi-selected {
    background: var(--accent-bg) !important;
}

.multi-select-mode .drag-handle {
    display: none;
}

.multi-select-mode .note-edit-btn {
    display: none;
}

.folder-action-btn.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

@media (pointer: coarse) {
    .multi-select-checkbox {
        width: 22px;
        height: 22px;
        min-width: 22px;
    }

    .multi-select-action-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        min-height: 36px;
    }
}

/* Emoji Picker Modal */
.emoji-picker-modal {
    width: 560px;
    max-width: 95vw;
    max-height: 70vh;
    display: flex;
    flex-direction: column;
}

.emoji-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.emoji-picker-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.emoji-picker-search {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.emoji-picker-search input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.emoji-picker-search input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-bg);
}

.emoji-picker-categories {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    flex-shrink: 0;
}

.emoji-picker-categories::-webkit-scrollbar {
    height: 4px;
}

.emoji-picker-categories::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 2px;
}

.emoji-category-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.15s ease;
    flex-shrink: 0;
}

.emoji-category-btn:hover {
    background: var(--bg-hover);
}

.emoji-category-btn.active {
    background: var(--accent-bg);
}

.emoji-picker-body {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
    min-height: 250px;
    max-height: 350px;
}

.emoji-category-section {
    margin-bottom: 12px;
}

.emoji-category-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    padding: 4px 0;
    border-bottom: 1px solid var(--border);
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
    gap: 2px;
}

.emoji-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.1s ease;
}

.emoji-btn:hover {
    background: var(--bg-hover);
    transform: scale(1.15);
}

.emoji-btn:active {
    transform: scale(0.95);
}

.emoji-picker-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    min-height: 48px;
}

.emoji-preview {
    font-size: 1.75rem;
    min-width: 32px;
    text-align: center;
}

.emoji-name {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Emoji search results */
.emoji-search-results {
    padding-top: 8px;
}

.emoji-no-results {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: var(--text-muted);
    text-align: center;
}

.emoji-no-results-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    opacity: 0.5;
}

/* ============================================
   Video Rotation Controls
   ============================================ */

/* Video wrapper for rotation controls */
.video-rotate-wrapper {
    position: relative;
    display: inline-block;
    max-width: 100%;
    margin: 0.5rem 0;
}

.video-rotate-wrapper video {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    transition: transform 0.3s ease;
}

/* Rotation button - shows on hover */
.video-rotate-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.video-rotate-wrapper:hover .video-rotate-btn,
.video-rotate-wrapper.touch-active .video-rotate-btn {
    opacity: 1;
    visibility: visible;
}

.video-rotate-btn:hover {
    background: rgba(0, 0, 0, 0.8);
    transform: scale(1.1);
}

.video-rotate-btn:active {
    transform: scale(0.95);
}

/* Rotation indicator badge */
.video-rotate-badge {
    position: absolute;
    bottom: 8px;
    right: 8px;
    padding: 4px 8px;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    opacity: 0;
    transition: opacity 0.2s ease;
    pointer-events: none;
    z-index: 10;
}

.video-rotate-wrapper:hover .video-rotate-badge,
.video-rotate-wrapper.rotated .video-rotate-badge {
    opacity: 1;
}

/* Rotation states */
.video-rotate-wrapper.rotated-90 video {
    transform: rotate(90deg);
}

.video-rotate-wrapper.rotated-180 video {
    transform: rotate(180deg);
}

.video-rotate-wrapper.rotated-270 video {
    transform: rotate(270deg);
}

/* Size adjustment for 90/270 degree rotation (portrait <-> landscape swap) */
.video-rotate-wrapper.rotated-90,
.video-rotate-wrapper.rotated-270 {
    /* Container maintains aspect ratio, video transforms inside */
}

/* Dark theme adjustments */
[data-theme="dark"] .video-rotate-btn {
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
}

[data-theme="dark"] .video-rotate-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] .video-rotate-badge {
    background: rgba(0, 0, 0, 0.8);
}

/* High contrast theme */
[data-theme="dark-high-contrast"] .video-rotate-btn {
    background: rgba(255, 255, 255, 0.25);
    border: 2px solid #fff;
}

[data-theme="dark-high-contrast"] .video-rotate-btn:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* Cyan theme */
[data-theme="dark-cyan"] .video-rotate-btn {
    background: rgba(0, 255, 255, 0.2);
}

[data-theme="dark-cyan"] .video-rotate-btn:hover {
    background: rgba(0, 255, 255, 0.4);
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .video-rotate-btn {
        opacity: 0.7;
        visibility: visible;
    }
    
    .video-rotate-wrapper:hover .video-rotate-btn {
        opacity: 0.7;
    }
    
    .video-rotate-btn:hover {
        opacity: 1;
    }
}

/* Animation for rotation */
@keyframes videoRotateHint {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.video-rotate-btn.hint {
    animation: videoRotateHint 0.5s ease;
}

.emoji-no-results-text {
    font-size: 0.875rem;
}

/* ============================================
   Mobile UI Mode - Screen Mode Toggle
   ============================================ */

/* Mobile header toggle button for sidebar */
.mobile-sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    box-shadow: var(--shadow-lg);
    transition: all 0.15s ease;
    touch-action: manipulation;
    pointer-events: auto;
}

.mobile-sidebar-toggle:hover {
    background: var(--accent-dark);
    transform: scale(1.05);
}

.mobile-sidebar-toggle:active {
    transform: scale(0.95);
}

/* Mobile overlay for sidebar */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.visible {
    opacity: 1;
    pointer-events: auto;
}

/* Screen mode indicator */
.screen-mode-indicator {
    display: none;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.screen-mode-indicator:hover {
    background: var(--accent-bg);
    color: var(--accent);
}

.screen-mode-indicator .mode-icon {
    font-size: 0.75rem;
}

/* ============================================
   Force Mobile Mode (Manual Toggle)
   ============================================ */

/* Force mobile layout on any screen size */
.container.force-mobile {
    flex-direction: column;
}

.container.force-mobile .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    width: 85% !important;
    max-width: 320px !important;
    min-width: 0 !important;
    height: 100vh !important;
    height: 100dvh !important;
    z-index: 1000;
    transition: left 0.3s ease;
    box-shadow: var(--shadow-xl);
}

.container.force-mobile .sidebar.open {
    left: 0;
}

.container.force-mobile .sidebar-splitter {
    display: none;
}

.container.force-mobile .sidebar-expand-btn {
    display: flex !important;
}

.container.force-mobile .mobile-sidebar-toggle {
    display: flex;
}

.container.force-mobile .sidebar-overlay {
    display: block;
}

/* Force mobile - Editor optimizations */
.container.force-mobile .editor-body {
    flex-direction: column;
}

.container.force-mobile .splitter {
    display: none;
}

.container.force-mobile .editor-pane,
.container.force-mobile .preview-pane {
    flex: 1 !important;
    min-width: 0;
}

/* Show tab bar in force mobile mode */
.container.force-mobile .layout-tab-bar {
    display: flex !important;
}

/* Tab mode by default in force mobile */
.container.force-mobile .editor-body.tab-mode .splitter {
    display: none !important;
}

/* ============================================
   Force Desktop Mode (Manual Toggle)
   ============================================ */

/* Force desktop layout on any screen size */
.container.force-desktop {
    flex-direction: row;
}

.container.force-desktop .sidebar {
    position: relative;
    left: 0;
    width: 320px !important;
    min-width: 320px !important;
    height: auto !important;
}

.container.force-desktop .sidebar-splitter {
    display: flex;
}

.container.force-desktop .mobile-sidebar-toggle {
    display: none !important;
}

.container.force-desktop .sidebar-overlay {
    display: none !important;
}

.container.force-desktop .editor-body {
    flex-direction: row;
}

/* ============================================
   Enhanced Mobile Media Queries
   ============================================ */

/* Mobile devices (phones, small tablets) */
@media (max-width: 360px) {
    .container {
        height: 100vh !important;
        height: 100dvh !important;
        flex-direction: column;
    }

    .mobile-sidebar-toggle {
        display: flex !important;
        z-index: 1100;
        touch-action: manipulation !important;
        pointer-events: auto !important;
    }

    /* Sidebar as drawer/overlay */
    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        bottom: 0;
        width: 85% !important;
        max-width: 320px !important;
        min-width: 0 !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: 1000;
        transition: left 0.3s ease;
        box-shadow: var(--shadow-xl);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        display: none;
    }

    .sidebar-overlay.visible {
        display: block;
        pointer-events: auto;
    }

    .sidebar-splitter {
        display: none !important;
    }

    /* Hide sidebar collapse button on mobile */
    #sidebarCollapseBtn {
        display: none !important;
    }

    /* Mobile-optimized header icons */
    .sidebar-header {
        padding: 6px 8px;
    }

    .sidebar-header h1 {
        font-size: 0.85rem;
    }

    .sidebar-header-actions {
        gap: 2px;
    }

    .header-icon-btn {
        width: 32px;
        height: 32px;
        min-width: 32px;
        font-size: 0.75rem;
    }

    /* Hide expand button when not collapsed */
    .sidebar-expand-btn {
        display: none !important;
    }

    /* Main content takes full width */
    .main-content {
        width: 100%;
    }

    /* Tab mode by default on mobile */
    .layout-tab-bar {
        display: flex !important;
    }

    .editor-body .splitter {
        display: none !important;
    }

    .editor-body .editor-pane {
        display: flex !important;
        flex: 1 !important;
    }

    .editor-body .preview-pane {
        display: none !important;
    }

    .editor-body .preview-pane.active {
        display: flex !important;
        flex: 1 !important;
    }

    /* Mobile-optimized editor header */
    .editor-header {
        padding: 0.5rem;
    }

    .editor-title-row {
        min-width: 100px;
    }

    .editor-title-row input {
        min-width: 80px;
        width: 100px;
    }

    /* Hide some less important toolbar buttons on mobile */
    .markdown-toolbar {
        padding: 0.25rem 0.5rem;
        gap: 0.125rem;
    }

    .toolbar-separator {
        margin: 0 0.25rem;
    }

    /* Mobile-optimized tags */
    .tags-section {
        padding: 0.25rem 0.5rem;
    }

    .tag-input {
        min-width: 60px;
        max-width: 100px;
    }

    /* Mobile-optimized modal */
    .modal-content {
        margin: 0.5rem;
        max-width: calc(100vw - 1rem);
        max-height: calc(100vh - 1rem);
    }

    .modal-content.modal-large {
        max-width: calc(100vw - 1rem);
        max-height: calc(100vh - 1rem);
    }

    /* Mobile-optimized settings */
    .settings-modal {
        max-width: calc(100vw - 1rem);
    }

    .settings-body {
        flex-direction: column;
    }

    .settings-tabs {
        flex-direction: row;
        overflow-x: auto;
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }

    .settings-tab {
        white-space: nowrap;
    }

    /* Mobile-optimized note list */
    .note-list {
        height: auto !important;
        flex: 1 !important;
        min-height: 100px;
        max-height: none;
    }

    /* Hide mini calendar on mobile by default to save space */
    .mini-calendar {
        display: none;
    }

    /* Mobile-optimized folder actions */
    .folder-actions {
        flex-wrap: wrap;
    }

    .folder-action-btn {
        flex: 1 1 auto;
        min-width: calc(33.33% - 4px);
    }

    .folder-action-text {
        display: none;
    }

    /* Version modal mobile layout */
    .version-3way-container {
        flex-direction: column;
    }

    .version-list-panel {
        width: 100%;
        max-height: 150px;
    }

    .diff-panel {
        min-height: 150px;
    }

    /* Mobile screen mode indicator */
    .screen-mode-indicator {
        display: flex;
    }

    /* Calendar view mobile optimizations */
    .calendar-view {
        flex-direction: column;
    }

    .calendar-sidebar {
        width: 100%;
        min-width: 0;
        max-height: 200px;
        border-left: none;
        border-top: 1px solid var(--border);
    }

    .calendar-day {
        min-height: 40px;
        padding: 0.25rem;
    }

    .calendar-day-number {
        font-size: 0.75rem;
    }

    .calendar-day-notes-count {
        min-width: 14px;
        height: 14px;
        font-size: 0.5rem;
    }
}

/* Tablet devices */
@media (min-width: 769px) and (max-width: 1024px) {
    /* Smaller sidebar on tablets */
    .sidebar {
        width: 280px !important;
        min-width: 280px !important;
    }

    /* Tab mode available but not forced */
    .layout-tab-bar {
        display: none;
    }

    /* Show mini calendar on tablets */
    .mini-calendar {
        display: flex;
        flex-direction: column;
    }
}

/* Touch device specific styles */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .btn-icon {
        min-width: 44px;
        min-height: 44px;
    }

    .header-icon-btn {
        width: 44px;
        height: 44px;
    }

    /* Better touch feedback */
    .btn-icon:active,
    .header-icon-btn:active {
        transform: scale(0.92);
    }

    /* Larger touch areas for important actions */
    .note-list-item {
        padding: 12px 10px;
    }

    .tree-folder-header {
        padding: 10px;
    }

    /* Hide hover-only elements */
    .note-edit-btn {
        display: none;
    }

    .attachment-actions {
        opacity: 1;
    }
}

/* High DPI screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .header-icon-btn,
    .btn-icon,
    .view-toggle-btn {
        border-width: 0.5px;
    }
}

/* Extra small screens (384px and below) - tighter mobile optimizations */
@media (max-width: 420px) {
    .container {
        flex-direction: column !important;
    }

    .sidebar {
        width: 90% !important;
        max-width: 280px !important;
    }

    .sidebar-header {
        padding: 5px 6px;
    }

    .sidebar-header h1 {
        font-size: 0.7rem;
        flex-shrink: 1;
        min-width: 0;
        max-width: 70px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .sidebar-header-actions {
        gap: 0;
    }

    .header-icon-btn {
        width: 26px;
        height: 26px;
        min-width: 26px;
        font-size: 0.65rem;
        border-radius: 4px;
    }

    .locale-flag {
        font-size: 0.55rem;
    }

    .search-box {
        padding: 6px 8px;
    }

    .search-box input {
        font-size: 16px; /* Prevent iOS zoom */
    }

    .note-list {
        min-height: 80px;
    }

    .note-list-item {
        padding: 8px 10px;
    }

    .note-list-item .note-title {
        font-size: 0.8rem;
    }

    .note-list-item .note-meta {
        font-size: 0.65rem;
    }

    .folder-actions {
        padding: 4px 6px;
        gap: 4px;
    }

    .folder-action-btn {
        padding: 6px 8px;
        font-size: 0.7rem;
    }

    .editor {
        margin: 1px;
        margin-left: 0;
    }

    .editor-header {
        padding: 4px 6px;
    }

    .editor-title-row {
        min-width: 80px;
    }

    .editor-title-row input {
        min-width: 60px;
        width: 80px;
        font-size: 16px; /* Prevent iOS zoom */
    }

    .editor-actions {
        gap: 2px;
    }

    .btn-icon {
        min-width: 36px;
        min-height: 36px;
        width: 36px;
        height: 36px;
    }

    .markdown-toolbar {
        padding: 2px 4px;
        gap: 1px;
    }

    .toolbar-btn {
        min-width: 32px;
        height: 32px;
        font-size: 0.75rem;
    }

    .tags-section {
        padding: 4px 6px;
    }

    .tag-item {
        padding: 2px 6px;
        font-size: 0.65rem;
    }

    .tag-input {
        min-width: 50px;
        max-width: 80px;
        font-size: 16px; /* Prevent iOS zoom */
    }

    .layout-tab-bar {
        font-size: 0.75rem;
    }

    .layout-tab {
        padding: 6px 12px;
    }

    .mobile-sidebar-toggle {
        display: flex !important;
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
        bottom: 16px;
        right: 16px;
        z-index: 10000;
    }

    #previewContent {
        padding: 8px;
        font-size: 14px;
    }

    .preview-pane h1 { font-size: 1.5rem; }
    .preview-pane h2 { font-size: 1.25rem; }
    .preview-pane h3 { font-size: 1.1rem; }
    .preview-pane p,
    .preview-pane li {
        font-size: 14px;
        line-height: 1.5;
    }

    .preview-pane pre {
        padding: 10px;
        font-size: 12px;
    }

    .preview-pane table th,
    .preview-pane table td {
        padding: 6px 8px;
        font-size: 12px;
    }

    .modal-content {
        margin: 0;
        width: 100% !important;
        max-width: 100% !important;
        max-height: 100vh !important;
        border-radius: 0;
    }

    .settings-tabs {
        font-size: 0.75rem;
    }

    .settings-tab {
        padding: 8px 10px;
        font-size: 0.75rem;
    }
}

/* 360px phones - specific optimizations */
@media (max-width: 360px) {
    .container {
        height: 100vh !important;
        height: 100dvh !important;
        display: flex !important;
        flex-direction: column !important;
    }

    .sidebar {
        position: fixed !important;
        left: -100% !important;
        top: 0 !important;
        bottom: 0 !important;
        width: 90% !important;
        max-width: 260px !important;
        min-width: 0 !important;
        height: 100vh !important;
        height: 100dvh !important;
        z-index: 1000 !important;
        transition: left 0.3s ease !important;
    }

    .sidebar.open {
        left: 0 !important;
    }

    .sidebar-overlay {
        display: none !important;
    }

    .sidebar-overlay.visible {
        display: block !important;
        pointer-events: auto !important;
        z-index: 999 !important;
    }

    /* Mobile sidebar toggle button - always visible on 360px */
    .mobile-sidebar-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 48px !important;
        height: 48px !important;
        font-size: 1.5rem !important;
        bottom: 16px !important;
        right: 16px !important;
        z-index: 10000 !important;
        touch-action: manipulation !important;
        pointer-events: auto !important;
    }

    .main-content {
        display: flex !important;
        flex: 1 !important;
        width: 100% !important;
        min-width: 100% !important;
        min-height: 0 !important;
        height: 100vh !important;
        height: 100dvh !important;
        position: relative !important;
        z-index: 1 !important;
    }

    .editor {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 !important;
    }

    .editor-body {
        display: flex !important;
        flex-direction: column !important;
        flex: 1 !important;
    }

    .editor-pane {
        display: flex !important;
        flex: 1 !important;
    }

    .preview-pane {
        display: none !important;
    }

    .preview-pane.active {
        display: flex !important;
        flex: 1 !important;
    }

    .layout-tab-bar {
        display: flex !important;
    }
}