@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+Khmer:wght@400;500;600&display=swap');

    /* Prevent horizontal overflow on the page */
    body, .page-content { overflow-x: hidden; }
    /*
     * This page's footer is absolutely positioned inside the reserved
     * bottom padding of .page-content, and that padding is itself scaled
     * by .page-content's zoom: 0.9 -- but the footer sits OUTSIDE
     * .page-content, so the footer's own 60px height is never scaled down.
     * The reserved padding has to stay bigger than 60px / 0.9 (~67px) or
     * the footer physically overlaps the content above it; 82px leaves a
     * small visible gap (~14px) instead of butting up against it.
     */
    .page-content { padding-bottom: 82px; }

    .comment-page-wrap {
        display: flex;
        gap: 0;
        height: calc(100vh - 220px);
        min-height: 480px;
        margin-bottom: 6px;
        width: 100%;
        max-width: 100%;
        overflow: hidden;
    }
    .comment-doc-pane {
        flex: 1 1 0;
        min-width: 200px;
        display: flex;
        flex-direction: column;
        background: #fff;
        border-radius: 8px 0 0 8px;
        border: 1px solid #e9ebec;
        overflow: hidden;
    }
    .comment-doc-pane:fullscreen,
    .comment-doc-pane.is-document-fullscreen {
        width: 100vw !important;
        height: 100vh !important;
        max-width: none !important;
        min-width: 0 !important;
        border: 0;
        border-radius: 0;
        background: #fff;
    }
    .comment-doc-pane.is-document-fullscreen {
        position: fixed;
        inset: 0;
        z-index: 1090;
    }
    .comment-doc-pane:fullscreen .doc-version-layout,
    .comment-doc-pane.is-document-fullscreen .doc-version-layout {
        height: 100%;
        min-height: 0;
    }
    /* Resizer handle */
    .pane-resizer {
        width: 16px;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: col-resize;
        background: #f3f6f9;
        border-top: 1px solid #e9ebec;
        border-bottom: 1px solid #e9ebec;
        transition: background 0.15s;
        user-select: none;
        -webkit-user-select: none;
        z-index: 1;
    }
    .pane-resizer:hover, .pane-resizer.is-dragging {
        background: #405189;
    }
    .pane-resizer:hover .resizer-dots,
    .pane-resizer.is-dragging .resizer-dots {
        color: #fff;
    }
    .resizer-dots {
        display: flex;
        flex-direction: column;
        gap: 3px;
        color: #adb5bd;
        pointer-events: none;
    }
    .resizer-dots span {
        display: block;
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: currentColor;
    }
    .comment-thread-pane {
        width: 420px;
        min-width: 280px;
        flex-shrink: 0;
        display: flex;
        flex-direction: column;
        background: #fff;
        border-radius: 0 8px 8px 0;
        border: 1px solid #e9ebec;
        border-left: none;
        overflow: hidden;
    }
    .comment-pane-header {
        padding: 10px 16px;
        background: #f3f6f9;
        border-bottom: 1px solid #e9ebec;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-shrink: 0;
    }
    .preview-title-wrap {
        min-width: 0;
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .preview-title {
        font-weight: 400;
    }
    .preview-title-meta {
        font-size: 12px;
        color: #6b7280;
        font-weight: 500;
    }
    .pane-tabs {
        display: flex;
        gap: 0;
        border-bottom: 1px solid #e9ebec;
        background: #f3f6f9;
    }
    .pane-tab {
        flex: 1;
        padding: 10px 12px;
        text-align: center;
        cursor: pointer;
        background: #f3f6f9;
        border: none;
        color: #6c757d;
        font-weight: 500;
        font-size: 13px;
        transition: all 0.2s;
    }
    .pane-tab.active {
        color: #405189;
        border-bottom: 3px solid #405189;
        background: #fff;
    }
    .pane-tab:hover {
        background: #e9ecef;
    }
    .pane-tab-content {
        display: none;
        flex: 1 1 0;
        overflow-y: auto;
        overflow-x: hidden;
        flex-direction: column;
    }
    .pane-tab-content.active {
        display: flex;
    }
    .comment-thread {
        flex: 1 1 0;
        overflow-y: auto;
        overflow-x: hidden;
        padding: 16px;
    }
    .comment-compose {
        flex-shrink: 0;
        padding: 12px 16px;
        border-top: 1px solid #e9ebec;
    }
    .review-workflow-actions {
        padding: 10px 12px;
        border-bottom: 1px solid #e9ebec;
    }
    .comment-compose-label,
    .review-workflow-actions-label {
        display: block;
        margin-bottom: 10px;
        color: #878a99;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: .04em;
        text-transform: uppercase;
    }
    .review-workflow-actions .review-action-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 6px;
    }
    .review-workflow-actions .btn {
        min-height: 30px;
        border-radius: 5px;
        font-size: 12px;
        font-weight: 400;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 4px;
        white-space: normal;
        padding: 5px 8px;
    }
    .review-workflow-actions .btn i {
        font-size: 13px;
        line-height: 1;
    }
    .review-workflow-actions .btn-primary,
    .review-workflow-actions .btn-success,
    .review-workflow-actions .btn-warning,
    .review-workflow-actions .btn-danger,
    .review-workflow-actions .btn-info,
    .review-workflow-actions .btn-secondary {
        border: 1px solid transparent;
        transition: all .18s ease-in-out;
    }
    .review-workflow-actions .btn-primary {
        color: #1d4ed8;
        background: #dbeafe;
        border-color: #bfdbfe;
    }
    .review-workflow-actions .btn-primary:hover {
        color: #1e40af;
        background: #bfdbfe;
        border-color: #93c5fd;
    }
    .review-workflow-actions .btn-success {
        color: #047857;
        background: #d1fae5;
        border-color: #a7f3d0;
    }
    .review-workflow-actions .btn-success:hover {
        color: #065f46;
        background: #a7f3d0;
        border-color: #6ee7b7;
    }
    .review-workflow-actions .btn-warning {
        color: #92400e;
        background: #fef3c7;
        border-color: #fde68a;
    }
    .review-workflow-actions .btn-warning:hover {
        color: #78350f;
        background: #fde68a;
        border-color: #fcd34d;
    }
    .review-workflow-actions .btn-danger {
        color: #b91c1c;
        background: #fee2e2;
        border-color: #fecaca;
    }
    .review-workflow-actions .btn-danger:hover {
        color: #991b1b;
        background: #fecaca;
        border-color: #fca5a5;
    }
    .review-workflow-actions .btn-info {
        color: #0e7490;
        background: #cffafe;
        border-color: #a5f3fc;
    }
    .review-workflow-actions .btn-info:hover {
        color: #155e75;
        background: #a5f3fc;
        border-color: #67e8f9;
    }
    .review-workflow-actions .btn-secondary {
        color: #4338ca;
        background: #e0e7ff;
        border-color: #c7d2fe;
    }
    .review-workflow-actions .btn-secondary:hover {
        color: #3730a3;
        background: #c7d2fe;
        border-color: #a5b4fc;
    }
    .review-workflow-actions .review-action-grid .btn:only-child {
        grid-column: 1 / -1;
    }
    .review-workflow-actions .review-action-grid--count-3 .review-action-primary {
        grid-column: 1 / -1;
        min-height: 32px;
        font-size: 12px;
    }
    .review-workflow-actions .review-action-grid--count-4 .btn,
    .review-workflow-actions .review-action-grid--count-5 .btn,
    .review-workflow-actions .review-action-grid--count-6 .btn {
        grid-column: auto;
    }
    .review-workflow-actions .review-action-grid--count-5 .review-action-primary {
        grid-column: 1 / -1;
    }
    .review-workflow-actions .alert {
        grid-column: 1 / -1;
        padding: 8px 10px;
        font-size: 12px;
    }
    .comment-compose .form-control {
        min-height: 88px;
    }
    .comment-compose-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        flex-wrap: wrap;
    }
    .comment-compose-footer .btn {
        min-height: 32px;
        border-radius: 6px;
        padding: 4px 9px;
        font-size: 12px;
        line-height: 1.25;
        font-weight: 400;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    .comment-compose-footer .btn i {
        font-size: 13px;
        line-height: 1;
    }
    .comment-attach-btn,
    .comment-compose-footer .comment-attach-btn {
        color: #0e7490;
        background: #cffafe;
        border-color: #a5f3fc;
    }
    .comment-attach-btn:hover,
    .comment-compose-footer .comment-attach-btn:hover {
        color: #155e75;
        background: #a5f3fc;
        border-color: #67e8f9;
    }
    .comment-compose-footer button[type="submit"] {
        margin-left: auto;
    }
    .review-workflow-modal .modal-title,
    .review-workflow-modal .form-label,
    .review-workflow-modal .btn {
        font-weight: 400;
    }
    @media (max-width: 575.98px) {
        .review-workflow-actions .review-action-grid {
            grid-template-columns: 1fr;
        }
    }
    .comment-bubble {
        background: #f3f6f9;
        border-radius: 8px;
        padding: 10px 12px;
        margin-top: 4px;
        word-break: break-word;
    }
    .comment-attachment {
        border: 1px dashed #d6d6d6;
        border-radius: 8px;
        padding: 8px 10px;
        margin-top: 8px;
        background: #fff;
    }
    .doc-version-layout {
        display: flex;
        height: 100%;
        min-height: 0;
    }
    .doc-version-sidebar {
        width: 220px;
        border-right: 1px solid #e5e7eb;
        background: #f3f4f6;
        padding: 8px;
        overflow-y: auto;
        flex-shrink: 0;
        transition: width 0.18s ease, padding 0.18s ease, border-color 0.18s ease;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .doc-version-layout.is-resizing .doc-version-sidebar {
        transition: none;
    }
    .doc-version-layout.is-resize-compact .doc-version-title-text,
    .doc-version-layout.is-resize-compact .doc-version-section-header,
    .doc-version-layout.is-resize-compact .doc-version-name,
    .doc-version-layout.is-opening .doc-version-title-text,
    .doc-version-layout.is-opening .doc-version-section-header,
    .doc-version-layout.is-opening .doc-version-name {
        opacity: 0;
        pointer-events: none;
    }
    .doc-version-layout.is-resize-compact .doc-version-list,
    .doc-version-layout.is-opening .doc-version-list {
        opacity: 0;
        pointer-events: none;
    }
    .doc-version-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }
    .doc-version-toggle {
        width: 30px;
        height: 30px;
        border-radius: 8px;
        border: 1px solid #d1d5db;
        background: #f9fafb;
        color: #6b7280;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        box-shadow: none;
    }
    .doc-version-title {
        margin: 0;
        min-width: 0;
        flex: 1 1 auto;
    }
    .doc-version-title-text {
        display: block;
        font-size: 13px;
        line-height: 1.2;
        color: #4b5563;
        font-weight: 500;
        margin-right: 2px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .doc-version-list {
        margin-top: 2px;
    }
    .doc-version-list.nav {
        gap: 4px;
    }
    .doc-version-section {
        margin-top: 8px;
    }
    .doc-version-section:first-child {
        margin-top: 4px;
    }
    .doc-version-section-header {
        margin-bottom: 4px;
    }
    .doc-version-section-toggle {
        width: 100%;
        border: 0;
        background: transparent;
        color: #6b7280;
        font-size: 12px;
        font-weight: 500;
        letter-spacing: 0.03em;
        text-transform: uppercase;
        padding: 2px 4px 4px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        cursor: pointer;
    }
    .doc-version-section-toggle i {
        font-size: 14px;
        transition: transform 0.15s ease;
    }
    .doc-version-section-toggle[aria-expanded="false"] i {
        transform: rotate(-90deg);
    }
    .doc-version-section-body {
        display: none;
        gap: 4px;
        flex-direction: column;
    }
    .doc-version-section-body.is-open {
        display: flex;
    }
    .doc-version-name {
        line-height: 1.3;
        font-weight: 400;
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .doc-version-badge {
        width: 28px;
        height: 28px;
        border-radius: 8px;
        background: #d1d5db;
        color: #111827;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        flex: 0 0 28px;
        font-size: 12px;
        font-weight: 500;
        line-height: 1;
        text-transform: uppercase;
    }
    /* Unversioned documents: same slot as the version badge, but a file icon. */
    .doc-version-badge.doc-version-badge--file {
        background: transparent;
        color: #6b7280;
        border: 1px solid #d1d5db;
        font-size: 15px;
    }
    .doc-version-badge--file.doc-file-type-pdf     { color: #dc2626; border-color: #fecaca; background: #fef2f2; }
    .doc-version-badge--file.doc-file-type-word    { color: #2563eb; border-color: #bfdbfe; background: #eff6ff; }
    .doc-version-badge--file.doc-file-type-excel   { color: #16a34a; border-color: #bbf7d0; background: #f0fdf4; }
    .doc-version-badge--file.doc-file-type-csv     { color: #0d9488; border-color: #99f6e4; background: #f0fdfa; }
    .doc-version-badge--file.doc-file-type-ppt     { color: #ea580c; border-color: #fed7aa; background: #fff7ed; }
    .doc-version-badge--file.doc-file-type-image   { color: #9333ea; border-color: #e9d5ff; background: #faf5ff; }
    .doc-version-badge--file.doc-file-type-archive { color: #a16207; border-color: #fde68a; background: #fefce8; }
    .preview-title-version {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        min-width: 0;
    }
    .preview-title-version .doc-version-badge {
        width: 26px;
        height: 26px;
        border-radius: 7px;
        font-size: 11px;
    }
    .doc-version-list .nav-link {
        border-radius: 7px;
        padding: 6px;
        font-size: 12px;
        text-align: left;
        border: 1px solid transparent;
        color: #4b5563;
        background: transparent;
        cursor: pointer;
        transition: background 0.12s ease, border-color 0.12s ease;
        display: flex;
        align-items: center;
        gap: 7px;
    }
    .doc-version-list .nav-link:hover {
        border-color: #d1d5db;
        background: #f9fafb;
        color: #4b5563;
    }
    .doc-version-list .nav-link.active {
        border-color: #cbd5e1 !important;
        background: #eef2ff !important;
        color: #1e3a8a !important;
        box-shadow: none;
    }
    .doc-version-list .nav-link:focus-visible {
        outline: 2px solid #93c5fd;
        outline-offset: 1px;
        box-shadow: none;
    }
    .doc-version-tab small {
        display: block;
        color: #6b7280;
        font-weight: 400;
        margin-top: 2px;
        font-size: 12px;
    }
    .doc-version-meta {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
        margin-top: 4px;
    }
    .doc-version-layout.is-collapsed .doc-version-sidebar {
        --collapsed-version-slot-size: 42px;
        --collapsed-version-button-size: 28px;
        width: 64px;
        padding: 8px 10px;
        box-sizing: border-box;
        border-right-color: transparent;
        overflow-x: hidden;
        align-items: center;
    }
    .doc-version-layout.is-collapsed .doc-version-title-text,
    .doc-version-layout.is-collapsed .doc-version-section-header {
        display: none;
    }
    .doc-version-layout.is-collapsed .doc-version-header {
        width: var(--collapsed-version-slot-size);
        height: var(--collapsed-version-slot-size);
        flex: 0 0 var(--collapsed-version-slot-size);
        justify-content: center;
    }
    .doc-version-layout.is-collapsed .doc-version-toggle {
        width: var(--collapsed-version-button-size);
        height: var(--collapsed-version-button-size);
        flex: 0 0 var(--collapsed-version-button-size);
        box-sizing: border-box;
        border-radius: 8px;
        margin-inline: auto;
    }
    .doc-version-layout.is-collapsed .doc-version-list {
        display: flex;
        width: 100%;
        align-items: center;
        overflow-x: hidden;
    }
    .doc-version-layout.is-collapsed .doc-version-section {
        width: 100%;
        margin-top: 4px;
    }
    .doc-version-layout.is-collapsed .doc-version-section-body {
        display: flex;
        align-items: center;
    }
    .doc-version-layout.is-collapsed .doc-version-list .nav-link {
        width: var(--collapsed-version-slot-size);
        height: var(--collapsed-version-slot-size);
        flex: 0 0 var(--collapsed-version-slot-size);
        box-sizing: border-box;
        margin-inline: auto;
        padding: 3px;
        justify-content: center;
    }
    .doc-version-layout.is-collapsed .doc-version-name { display: none; }
    .doc-version-layout.is-collapsed .doc-version-badge {
        flex: 0 0 26px;
        width: 26px;
        height: 26px;
        font-size: 10px;
    }
    .doc-version-preview {
        flex: 1 1 0;
        min-width: 0;
        overflow: hidden;
    }
    .doc-version-resizer {
        width: 16px;
        flex: 0 0 16px;
        border-top: 0;
        border-bottom: 0;
        border-left: 0;
        border-right: 1px solid #e9ebec;
        touch-action: none;
    }

    @media (max-width: 991.98px) {
        .comment-page-wrap {
            flex-direction: column;
            height: auto;
            margin-bottom: 32px;
        }
        .pane-resizer {
            display: none;
        }
        .comment-doc-pane {
            border-radius: 8px 8px 0 0;
            height: 50vh;
            min-height: 280px;
            min-width: 0;
        }
        .comment-thread-pane {
            width: 100% !important;
            max-width: 100%;
            border-radius: 0 0 8px 8px;
            border-left: 1px solid #e9ebec;
            border-top: none;
            min-height: 400px;
        }
        .pane-tabs {
            flex-wrap: wrap;
        }
        .pane-tab {
            flex: 1 1 auto;
            min-width: 120px;
        }
        .doc-version-layout {
            flex-direction: column;
        }
        .doc-version-resizer {
            display: none;
        }
        .doc-version-sidebar {
            width: 100%;
            border-right: none;
            border-bottom: 1px solid #e9ebec;
            max-height: 120px;
            overflow-y: auto;
        }
        .doc-version-tab {
            min-width: 0;
        }
        .doc-version-layout.is-collapsed .doc-version-sidebar {
            --collapsed-version-slot-size: 36px;
            --collapsed-version-button-size: 26px;
            width: 100%;
            max-height: none;
            min-height: 50px;
            border-bottom-color: transparent;
            padding: 6px 8px;
            flex-direction: row;
            align-items: center;
            gap: 8px;
            overflow: hidden;
        }
        .doc-version-layout.is-collapsed .doc-version-title-text,
        .doc-version-layout.is-collapsed .doc-version-section-header {
            display: none;
        }
        .doc-version-layout.is-collapsed .doc-version-list {
            display: flex;
            flex-flow: row nowrap !important;
            align-items: center;
            flex: 1 1 auto;
            min-width: 0;
            overflow-x: auto;
            overflow-y: hidden;
            padding-bottom: 0;
        }
        .doc-version-layout.is-collapsed .doc-version-header {
            width: var(--collapsed-version-slot-size);
            height: var(--collapsed-version-slot-size);
            flex: 0 0 var(--collapsed-version-slot-size);
        }
        .doc-version-layout.is-collapsed .doc-version-toggle {
            width: var(--collapsed-version-button-size);
            height: var(--collapsed-version-button-size);
        }
        .doc-version-layout.is-collapsed .doc-version-section {
            width: auto;
            margin: 0;
        }
        .doc-version-layout.is-collapsed .doc-version-section-body {
            flex-direction: row;
        }
        .doc-version-layout.is-collapsed .doc-version-list .nav-link {
            flex: 0 0 var(--collapsed-version-slot-size);
            width: var(--collapsed-version-slot-size);
            height: var(--collapsed-version-slot-size);
            margin-inline: 0;
        }
    }

    @media (max-width: 575.98px) {
        .comment-pane-header {
            padding: 8px 10px;
            gap: 8px;
        }
        .doc-version-sidebar {
            max-height: 108px;
            padding: 6px;
        }
        .doc-version-title-text {
            font-size: 12px;
        }
        .doc-version-toggle {
            width: 28px;
            height: 28px;
        }
        .doc-version-badge {
            width: 24px;
            height: 24px;
            flex-basis: 24px;
            border-radius: 7px;
            font-size: 10px;
        }
        .doc-version-list .nav-link {
            padding: 5px;
            gap: 6px;
            font-size: 12px;
        }
    }