:root {
    /* Premium Color Palette (Apple/Stripe Inspired) */
    --bg-main: #FAFAFC;
    --bg-surface: rgba(255, 255, 255, 0.7);
    --bg-solid: #FFFFFF;

    --text-primary: #1A1A24;
    --text-secondary: #5E6278;
    --text-tertiary: #A1A5B7;

    --accent-primary: #4F46E5;
    /* Indigo */
    --accent-hover: #4338CA;
    --accent-light: #EEF2FF;

    --danger: #EF4444;
    --danger-light: #FEF2F2;
    --warning: #F59E0B;
    --warning-light: #FFFBEB;
    --success: #10B981;
    --success-light: #ECFDF5;

    --border-color: rgba(226, 232, 240, 0.8);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Elevated Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.02);
    --shadow-float: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* Subtle background grid pattern */
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* --- PREMIUM GLASS HEADER --- */
.ribbon-header {
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    padding: 0 40px;
    height: auto;
    min-height: 80px;
    display: flex;
    align-items: center;
    box-shadow: var(--shadow-sm);
    z-index: 100;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-right: 40px;
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--accent-primary);
    letter-spacing: -0.5px;
}

.brand-logo .dot {
    width: 8px;
    height: 8px;
    background: var(--accent-primary);
    border-radius: 50%;
    display: inline-block;
}

.ribbon-toolbar {
    display: flex;
    align-items: center;
    gap: 32px;
    height: 100%;
    padding: 16px 0;
    flex: 1;
}

.toolbar-group {
    display: flex;
    align-items: center;
    background: var(--bg-solid);
    padding: 6px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255, 255, 255, 0.5);
    gap: 8px;
}

.toolbar-divider {
    width: 1px;
    height: 32px;
    background: var(--border-color);
}

/* Updated premium buttons */
.ribbon-btn {
    background: transparent;
    border: none;
    padding: 10px 16px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    color: var(--text-secondary);
}

.ribbon-btn:hover {
    background: var(--bg-main);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.ribbon-btn.primary-action {
    background: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.ribbon-btn.primary-action:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.ribbon-btn .icon {
    font-size: 1.1rem;
}

/* --- MODERN SIDEBAR --- */
.legal-sidebar {
    width: 360px;
    background: var(--bg-surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    z-index: 50;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px 24px 12px;
    font-weight: 700;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.risk-dashboard {
    padding: 0 24px 24px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.risk-stat {
    background: var(--bg-solid);
    border-radius: var(--border-radius-md);
    padding: 16px 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease;
}

.risk-stat:hover {
    transform: translateY(-2px);
}

.risk-stat .val {
    font-size: 1.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 4px;
}

.risk-stat .lab {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.val.high {
    color: var(--danger);
}

.val.med {
    color: var(--warning);
}

.val.low {
    color: var(--success);
}

/* --- AUDIT BOARD / CRITICAL DATA --- */
.audit-board {
    padding: 0 24px 20px;
    border-bottom: 1px solid var(--border-color);
}

.audit-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.4);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius-md);
}

.audit-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
}

.audit-entity {
    background: var(--bg-solid);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--border-radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-sm);
}

.audit-entity:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.entity-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.entity-values {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.entity-values.discrepancy {
    color: var(--danger);
    background: var(--danger-light);
    padding: 4px 8px;
    border-radius: var(--border-radius-sm);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 0 24px 24px;
}

.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 10px;
}

/* Beautiful empty state */
#change-list-container .empty-msg {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    line-height: 1.5;
}

#change-list-container .empty-msg::before {
    content: "✌️";
    display: block;
    font-size: 2rem;
    margin-bottom: 12px;
}

.change-item {
    padding: 20px;
    background: var(--bg-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    margin-bottom: 16px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.change-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    transition: all 0.3s;
}

.change-item.high-risk::before {
    background-color: var(--danger);
}

.change-item.med-risk::before {
    background-color: var(--warning);
}

.change-item.low-risk::before {
    background-color: var(--success);
}

.change-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
    border-color: var(--border-color);
}

.change-item.active {
    background: var(--accent-light);
    border-color: var(--accent-primary);
    transform: translateX(6px);
    box-shadow: var(--shadow-md);
}

.change-item.active::before {
    width: 6px;
    background-color: var(--accent-primary);
}

.change-item.approved {
    opacity: 0.6;
}

.change-item.approved::before {
    background-color: var(--success);
}

.change-item.flagged {
    background: var(--warning-light);
    border-color: var(--warning);
}

.change-type {
    font-size: 0.75rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.type-added {
    color: var(--success);
}

.type-removed {
    color: var(--danger);
}

.type-update {
    color: var(--warning);
}

.change-snippet {
    font-size: 0.9rem;
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 500;
    background: #f8fafc;
    padding: 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
}

.change-actions {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.action-btn {
    flex: 1;
    border: 1px solid var(--border-color);
    background: var(--bg-solid);
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.action-btn:hover {
    background: var(--bg-main);
}

.action-btn.btn-approve:hover {
    color: var(--success);
    border-color: var(--success);
    background: var(--success-light);
}

.action-btn.btn-flag:hover {
    color: var(--warning);
    border-color: var(--warning);
    background: var(--warning-light);
}

/* --- NAV CLUSTER --- */
.nav-cluster {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-btn {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    cursor: pointer;
    font-weight: 700;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    color: var(--text-secondary);
}

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

#changeCounter {
    font-size: 0.85rem;
    font-weight: 600;
    min-width: 60px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}


/* --- WORKSPACE LAYOUT (Stripe-like) --- */
.app-workspace {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.document-workspace {
    flex: 1;
    display: flex;
    gap: 24px;
    padding: 24px 32px;
}

.view-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-float);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.8);
    position: relative;
}

.panel-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 10;
}

.panel-header::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.left-view .panel-header::before {
    background: var(--accent-primary);
}

.right-view .panel-header::before {
    background: var(--warning);
}

.paper-container {
    flex: 1;
    overflow-y: auto !important;
    padding: 85px 40px 40px;
    /* Top padding to account for absolute header */
    display: flex;
    flex-direction: column;
    align-items: center;
    scroll-behavior: auto !important;
    background-color: #E2E8F0;
    background-image: radial-gradient(rgba(0, 0, 0, 0.05) 1px, transparent 1px);
    background-size: 16px 16px;
}

/* Scrollbar for views */
.paper-container::-webkit-scrollbar {
    width: 8px;
}

.paper-container::-webkit-scrollbar-track {
    background: transparent;
}

.paper-container::-webkit-scrollbar-thumb {
    background-color: rgba(0, 0, 0, 0.15);
    border-radius: 10px;
    border: 2px solid transparent;
    background-clip: padding-box;
}

#editor-container-1,
#editor-container-2,
.pdf-page-canvas {
    background: var(--bg-solid);
    width: 100% !important;
    max-width: 820px;
    min-height: 1160px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.03);
    margin-bottom: 40px;
    border-radius: 4px;
    flex-shrink: 0;
    transition: box-shadow 0.3s ease;
}

.pdf-page-canvas {
    width: 100% !important;
    height: auto !important;
}

/* --- QUILL CUSTOMIZATION TO MATCH MODERN FEEL --- */
.ql-container {
    height: auto !important;
    overflow-y: visible !important;
    border: none !important;
    font-family: 'Georgia', 'Times New Roman', Times, serif;
}

.ql-toolbar.ql-snow {
    display: none;
    /* Hide toolbar for cleaner read-only look originally, or style it if needed */
}

#editor-container {
    border: 1px solid var(--border-color) !important;
}

.ql-editor {
    height: auto !important;
    overflow-y: visible !important;
    padding: 80px 80px !important;
    font-family: inherit;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap !important;
}

.ql-editor p {
    margin-bottom: 1.2em !important;
}

.ql-editor h1,
.ql-editor h2,
.ql-editor h3 {
    font-weight: 700;
    color: #111;
    margin-top: 2em;
    margin-bottom: 1em;
}


/* Page Breaks */
.page-separator-block {
    display: flex !important;
    height: 40px !important;
    background: transparent !important;
    margin: 60px -100px !important;
    justify-content: center;
    align-items: center;
    position: relative;
    border: none !important;
    box-shadow: none !important;
}

.page-separator-block::before {
    content: "PAGE BREAK";
    background: var(--bg-main);
    padding: 4px 16px;
    border-radius: 20px;
    color: var(--text-tertiary);
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 2px;
    border: 1px solid var(--border-color);
    z-index: 2;
}

.page-separator-block::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: var(--border-color);
    z-index: 1;
}

/* --- HIGHLIGHTS --- */
.diff-active {
    background-color: var(--warning-light) !important;
    outline: 2px solid var(--warning);
    outline-offset: 4px;
    border-radius: 2px;
    transition: outline-color 0.2s, background-color 0.2s;
}

/* Paragraph Sync Highlight */
.para-highlight {
    outline: 2px solid #4F46E5 !important;
    outline-offset: 2px;
    background: rgba(79, 70, 229, 0.1) !important;
    border-radius: 4px;
    transition: outline 0.05s ease, background 0.05s ease;
    z-index: 5;
    position: relative;
}

/* Utility Animations */
@keyframes slideInRight {
    from {
        transform: translateX(20px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.change-item {
    animation: slideInRight 0.4s cubic-bezier(0.16, 1, 0.3, 1) backwards;
}

/* ═══════════════ PREMIUM DOUBLE-DROPZONE & SVG CONNECTORS ═══════════════ */
.dropzone-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
}

.premium-dropzone {
    background: var(--bg-solid);
    border: 2px dashed rgba(79, 70, 229, 0.2);
    border-radius: var(--border-radius-xl);
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 380px;
}

.premium-dropzone:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), 0 0 0 4px rgba(79, 70, 229, 0.05);
}

.premium-dropzone.dragover {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.03);
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.premium-dropzone.dragover .dz-glow {
    opacity: 1;
    background: radial-gradient(circle at center, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
}

.dz-glow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: radial-gradient(circle at center, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.premium-dropzone:hover .dz-glow {
    opacity: 1;
}

.dz-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.dz-icon {
    font-size: 3.5rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 12px rgba(79, 70, 229, 0.15));
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.premium-dropzone:hover .dz-icon {
    transform: scale(1.12) translateY(-2px);
}

.premium-dropzone.dragover .dz-icon {
    transform: scale(1.2) rotate(5deg);
}

.premium-dropzone h3 {
    font-family: 'Sora', sans-serif;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.dz-help {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-weight: 500;
}

.dz-formats {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    background: var(--accent-light);
    color: var(--accent-primary);
    padding: 4px 12px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(79, 70, 229, 0.1);
}

/* Document Bridge Lanes */
.document-workspace {
    position: relative;
}



#svg-connector {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.connector-path {
    stroke: var(--accent-primary);
    stroke-width: 2px;
    stroke-dasharray: 4, 4;
    fill: none;
    opacity: 0.45;
    transition: opacity 0.3s;
}

.connector-path.active {
    stroke: var(--accent-primary);
    stroke-width: 3px;
    stroke-dasharray: none;
    opacity: 0.95;
}

/* ══════ CHANGE MINIMAP ══════ */
.connector-bridge {
    width: 24px;
    flex-shrink: 0;
    align-self: stretch;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    position: relative;
    z-index: 100;
    margin-top: 56px;
    height: calc(100% - 56px);
}

.minimap-track {
    position: relative;
    width: 14px;
    height: 100%;
    background: #E2E8F0;
    border: 1px solid #94A3B8;
    border-radius: 7px;
    cursor: pointer;
    overflow: visible;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.15);
}

.minimap-viewport {
    position: absolute;
    left: 0;
    width: 100%;
    background: rgba(79, 70, 229, 0.35);
    border: 1.5px solid #4F46E5;
    border-radius: 3px;
    pointer-events: none;
    z-index: 2;
    transition: top 0.05s ease-out, height 0.05s ease-out;
}

.minimap-marker {
    position: absolute;
    left: -1px;
    width: 14px;
    height: 7px;
    border-radius: 3px;
    cursor: pointer;
    transition: transform 0.15s, filter 0.15s;
    z-index: 10;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

.minimap-marker:hover {
    transform: scale(1.5);
    z-index: 20;
}

.minimap-marker.removed {
    background: #EF4444 !important;
}

.minimap-marker.added {
    background: #10B981 !important;
}

.minimap-marker.modified, .minimap-marker.update {
    background: #F59E0B !important;
}

/* ═══════════════ MOBILE & TABLET RESPONSIVENESS ═══════════════ */
@media (max-width: 1100px) {
    .legal-sidebar {
        width: 300px;
    }
}

/* Tablet ─────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .ribbon-header {
        flex-wrap: wrap;
        padding: 12px 16px;
        min-height: auto;
        gap: 10px;
    }
    .brand-logo { font-size: 1.1rem; }

    .ribbon-toolbar {
        flex-wrap: wrap;
        width: 100%;
        gap: 8px;
        padding: 0;
    }
    .toolbar-group {
        flex-wrap: wrap;
        justify-content: center;
    }
    .toolbar-divider { display: none; }

    .ribbon-btn { font-size: 0.8rem; padding: 8px 12px; }
    .ribbon-btn .icon { font-size: 1rem; }
    .nav-cluster { gap: 6px; }

    .app-workspace { flex-direction: column; overflow-y: auto; }

    /* Sidebar becomes a horizontal strip on tablet */
    .legal-sidebar {
        width: 100%;
        max-height: 260px;
        border-right: none;
        border-bottom: 2px solid var(--border-color);
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
    }
    .risk-dashboard { grid-template-columns: repeat(3, 1fr); }
    .sidebar-header { white-space: nowrap; padding: 12px 16px 8px; }
    .audit-board { min-width: 260px; }
    .sidebar-content { min-width: 280px; }

    .document-workspace {
        flex-direction: column;
        padding: 16px;
        gap: 16px;
    }
    .view-panel { min-height: 70vh; }
    .panel-header { position: relative; }
    .paper-container { padding: 24px 12px; }
    #editor-container-1, #editor-container-2 {
        width: 100% !important;
        padding: 24px 16px !important;
    }
    .ql-editor { padding: 40px 24px !important; font-size: 14px !important; }
}

/* Mobile ─────────────────────────────────────────────────────── */
@media (max-width: 600px) {
    .ribbon-header { padding: 10px 12px; }

    .ribbon-toolbar { gap: 6px; }
    .toolbar-group {
        width: 100%;
        padding: 4px;
    }
    .ribbon-btn {
        font-size: 0.78rem;
        padding: 9px 10px;
        min-height: 42px; /* Touch target */
    }
    .ribbon-btn .icon { font-size: 0.95rem; }

    /* Nav cluster — bigger touch targets */
    .nav-btn { width: 38px; height: 38px; }
    #changeCounter { font-size: 0.8rem; min-width: 50px; }

    /* Sidebar: small collapsible top bar on mobile */
    .legal-sidebar {
        max-height: 200px;
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .risk-stat .val { font-size: 1.2rem; }
    .risk-stat .lab { font-size: 0.65rem; }

    .document-workspace { padding: 10px; gap: 10px; }
    .view-panel {
        min-height: 80vh;
        border-radius: 14px;
    }
    .panel-header {
        padding: 12px 16px;
        font-size: 0.72rem;
        letter-spacing: 1px;
    }
    .paper-container { padding: 20px 8px; }
    #editor-container-1, #editor-container-2 {
        padding: 16px 12px !important;
        min-height: auto !important;
    }
    .ql-editor {
        padding: 24px 16px !important;
        font-size: 13px !important;
        line-height: 1.7 !important;
    }

    /* Better change items on mobile */
    .change-item { padding: 14px; }
    .change-snippet { font-size: 0.82rem; }
    .action-btn { font-size: 0.7rem; padding: 7px 8px; }
}

/* ═══════════════ Collapsible Comment Cards ═══════════════ */
.comment-card {
    background: var(--bg-solid);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    margin-bottom: 12px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
    padding: 16px;
    display: flex;
    flex-direction: column;
}

.comment-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    transition: all 0.3s;
}

.comment-card.added::before {
    background-color: var(--success);
}

.comment-card.removed::before {
    background-color: var(--danger);
}

.comment-card.modified::before {
    background-color: var(--warning);
}

.comment-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: rgba(79, 70, 229, 0.3);
}

.comment-card.expanded {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-lg);
}

.comment-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.comment-meta-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.comment-meta-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.comment-chevron {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.comment-card.expanded .comment-chevron {
    transform: rotate(180deg);
}

.comment-author-badge {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.comment-date-badge {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    font-weight: 600;
}

.comment-preview-text {
    font-size: 0.82rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 4px;
    transition: opacity 0.2s;
}

.comment-card.expanded .comment-preview-text {
    opacity: 0;
    height: 0;
    margin: 0;
    pointer-events: none;
}

/* Smooth expansion using grid template rows */
.comment-details-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.comment-card.expanded .comment-details-wrapper {
    grid-template-rows: 1fr;
}

.comment-details-content {
    overflow: hidden;
}

.comment-full-body {
    padding-top: 12px;
    border-top: 1px solid rgba(226, 232, 240, 0.6);
    margin-top: 8px;
}

.comment-bubble {
    padding: 10px 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.5;
    border: 1px solid transparent;
}

.comment-bubble.added-style {
    background: var(--success-light);
    color: #065f46;
    border-color: rgba(16, 185, 129, 0.2);
}

.comment-bubble.removed-style {
    background: var(--danger-light);
    color: #991b1b;
    border-color: rgba(239, 68, 68, 0.2);
    text-decoration: line-through;
}

.comment-bubble.modified-old-style {
    background: #f1f5f9;
    color: #475569;
    border-color: var(--border-color);
    text-decoration: line-through;
    margin-bottom: 8px;
}

.comment-bubble.modified-new-style {
    background: var(--warning-light);
    color: #92400e;
    border-color: rgba(245, 158, 11, 0.2);
}

/* ════════════════ DOCX PREVIEW PREMIUM OVERRIDES ════════════════ */
.docx-wrapper {
    background: transparent !important;
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100% !important;
}

.docx {
    background: white !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08), 0 0 0 1px rgba(0, 0, 0, 0.03) !important;
    margin-bottom: 30px !important;
    border-radius: 4px !important;
    padding: 95px 113px !important; /* Standard Word margins: 2.5cm top/bottom, 3cm left/right */
    box-sizing: border-box !important;
    width: 100% !important;
    max-width: 794px !important; /* A4 width at 96 DPI */
    min-height: 1122px !important; /* A4 height at 96 DPI */
    position: relative !important;
}

/* Render page cuts visually on screen */
.docx [style*="break-before: page"],
.docx [style*="page-break-before: always"],
.docx-page-break,
.docx br[style*="page-break-before"],
.visual-page-break-separator {
    display: block !important;
    height: 24px !important;
    background-color: var(--bg-main) !important;
    margin: 40px -113px 40px -113px !important;
    padding: 0 !important;
    clear: both !important;
    border-top: 1px solid rgba(0,0,0,0.06) !important;
    border-bottom: 1px solid rgba(0,0,0,0.06) !important;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.02) !important;
}

.no-numbering::before,
.no-numbering span::before {
    content: "" !important;
    display: none !important;
}

ins.diff-block,
del.diff-block {
    display: block !important;
    margin: 8px 0 !important;
}

/* Ensure inside tables and images look clean */
.docx table {
    border-collapse: collapse !important;
    margin: 16px 0 !important;
    width: 100% !important;
}

.docx td, .docx th {
    border: 1px solid #cbd5e1 !important;
    padding: 8px 12px !important;
}

.docx img {
    max-width: 100% !important;
    height: auto !important;
}

/* Diff styles inside rendered DOCX DOM */
ins.diff-inserted {
    background-color: #d1fae5 !important;
    color: #047857 !important;
    text-decoration: none !important;
    font-weight: bold !important;
    padding: 1px 2px !important;
    border-radius: 3px !important;
}

del.diff-removed {
    background-color: #fee2e2 !important;
    color: #b91c1c !important;
    text-decoration: line-through !important;
    padding: 1px 2px !important;
    border-radius: 3px !important;
}

.docx-page-sheet {
    height: 1160px !important;
    min-height: 1160px !important;
    max-height: 1160px !important;
    overflow: hidden !important;
    position: relative !important;
    margin-bottom: 30px !important;
}

.docx p, .docx li {
    line-height: 1.15 !important;
    margin-top: 0 !important;
    margin-bottom: 8px !important;
}

.docx p:empty, .docx p:blank {
    margin: 0 !important;
    padding: 0 !important;
    line-height: 0 !important;
    height: 0 !important;
}