/* Unified document workspace */
    .comment-page-wrap {
        --workspace-border: #dfe4ea;
        --workspace-surface: #ffffff;
        --workspace-muted: #f7f8fb;
        --workspace-accent: #4f46c8;
        --workspace-header-height: 58px;
        position: relative;
        /*
         * .page-content has zoom: 0.9 (see layouts/head-css.blade.php), which
         * scales every rendered box inside it -- including this dvh-based
         * height -- by 0.9. Dividing by 0.9 here cancels that out so the
         * pane fills the vertical space its dvh calc intends instead of
         * rendering 10% shorter than the numbers say; the smaller subtracted
         * offset (180px vs 224px) then gives it noticeably more room besides.
         */
        height: calc((100dvh - 130px) / 0.9);
        min-height: calc(560px / 0.9);
        border: 1px solid var(--workspace-border);
        border-radius: 12px;
        background: var(--workspace-surface);
        box-shadow: 0 8px 24px rgba(15, 23, 42, .05);
        isolation: isolate;
    }
    .comment-doc-pane,
    .comment-thread-pane {
        border: 0;
        border-radius: 0;
        background: var(--workspace-surface);
    }
    .comment-doc-pane {
        min-width: 360px;
        padding-top: var(--workspace-header-height);
        border-radius: 12px 0 0 12px;
    }
    .comment-doc-pane > .comment-pane-header {
        position: absolute;
        inset: 0 0 auto 0;
        width: 100%;
        min-height: var(--workspace-header-height);
        z-index: 6;
        border-radius: 12px 12px 0 0;
    }
    .comment-thread-pane {
        width: clamp(320px, 24vw, 430px);
        min-width: 300px;
        margin-top: var(--workspace-header-height);
        border-radius: 0 12px 12px 0;
        transition: width .16s ease, min-width .16s ease;
    }
    #paneResizer {
        margin-top: var(--workspace-header-height);
    }
    .comment-pane-header {
        min-height: 52px;
        padding: 9px 14px;
        background: var(--workspace-muted);
    }
    .comment-pane-heading {
        display: flex;
        align-items: center;
        min-width: 0;
        gap: 8px;
    }
    .comment-pane-heading > i {
        color: var(--workspace-accent);
        font-size: 17px;
    }
    .comment-pane-heading-label {
        overflow: visible;
        text-overflow: clip;
        white-space: normal;
        line-height: 1.6;
        padding-block: 2px;
    }
    .doc-version-title-text {
        display: block;
        line-height: 1.6;
        padding-block: 2px;
        font-size: inherit;
        font-weight: inherit;
    }
    .doc-version-title-text.comment-pane-heading-label {
        min-width: 0;
        overflow: hidden;
        text-overflow: clip;
        white-space: nowrap;
    }
    .doc-version-title > i {
        flex: 0 0 auto;
        color: var(--workspace-accent);
        font-size: 17px;
    }
    .comment-thread-pane > .comment-pane-header {
        padding-top: 14px;
        padding-bottom: 10px;
    }
    .doc-version-layout:not(.is-collapsed) .doc-version-header {
        min-height: 52px;
        margin: -8px -8px 0;
        padding: 14px 14px 10px;
        border-bottom: 1px solid var(--workspace-border);
        background: var(--workspace-muted);
        font-size: 13px;
        font-weight: 600;
    }
    .doc-version-layout:not(.is-collapsed) .doc-version-title {
        color: inherit;
        font-size: inherit;
        font-weight: inherit;
    }
    .doc-version-layout.is-collapsed .doc-version-title,
    .doc-version-layout.is-resize-compact .doc-version-title,
    .doc-version-layout.is-opening .doc-version-title {
        display: none;
    }
    .side-panel-toggle {
        width: 32px;
        height: 32px;
        flex: 0 0 32px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0;
        border: 1px solid #d7dce3;
        border-radius: 8px;
        background: var(--workspace-surface);
        color: #64748b;
        transition: color .12s ease, border-color .12s ease, background-color .12s ease;
    }
    .side-panel-toggle:hover {
        color: var(--workspace-accent);
        border-color: #b9b5ef;
        background: #f2f0ff;
    }
    .doc-version-layout.is-collapsed .doc-version-toggle.side-panel-toggle {
        width: 32px;
        height: 32px;
        flex: 0 0 32px;
    }
    .doc-version-layout.is-collapsed.is-opening .doc-version-sidebar,
    .doc-version-layout.is-collapsed.is-resize-compact .doc-version-sidebar {
        align-items: stretch;
        flex-direction: column;
    }
    .doc-version-layout.is-collapsed.is-opening .doc-version-header,
    .doc-version-layout.is-collapsed.is-resize-compact .doc-version-header {
        width: 100%;
        justify-content: flex-end;
    }
    .doc-version-layout.is-collapsed.is-opening .doc-version-toggle,
    .doc-version-layout.is-collapsed.is-resize-compact .doc-version-toggle {
        margin-inline-start: auto;
        margin-inline-end: 0;
    }
    .pane-resizer {
        position: relative;
        width: 10px;
        flex: 0 0 10px;
        border: 0;
        background: var(--workspace-muted);
        transition: background-color .12s ease;
        touch-action: none;
        z-index: 3;
    }
    .pane-resizer::before {
        content: '';
        position: absolute;
        top: 0;
        bottom: 0;
        left: 50%;
        width: 1px;
        background: var(--workspace-border);
        transform: translateX(-50%);
    }
    .pane-resizer:hover,
    .pane-resizer.is-dragging {
        background: #efeffb;
    }
    .pane-resizer:hover::before,
    .pane-resizer.is-dragging::before {
        width: 2px;
        background: var(--workspace-accent);
    }
    .pane-resizer:hover .resizer-dots,
    .pane-resizer.is-dragging .resizer-dots {
        color: var(--workspace-accent);
    }
    .resizer-dots {
        position: relative;
        z-index: 1;
        gap: 2px;
        padding: 5px 2px;
        border-radius: 999px;
        background: var(--workspace-surface);
        color: #9aa4b2;
        box-shadow: 0 0 0 1px var(--workspace-border);
    }
    .resizer-dots span {
        width: 3px;
        height: 3px;
    }
    .doc-version-sidebar {
        width: 260px;
        min-width: 0;
        background: var(--workspace-muted);
    }
    .doc-version-resizer {
        border: 0;
    }
    .doc-version-preview {
        background: #eef1f5;
    }
    .added-doc-preview-surface {
        width: 100%;
        height: 100%;
        overflow: hidden;
        border: 1px solid var(--workspace-border);
        border-radius: 6px;
        background: var(--workspace-surface);
    }
    #addedDocPreviewImage {
        display: none;
        width: 100%;
        height: 100%;
        max-width: none;
        max-height: none;
        object-fit: contain;
        object-position: center;
    }
    /* Images scale to fill the preview area, like PDFs, instead of staying at natural size. */
    .main-doc-image-preview {
        height: 100%;
        padding: 12px;
        background: #f8f9fa;
        box-sizing: border-box;
    }
    .main-doc-image-preview img {
        display: block;
        width: 100%;
        height: 100%;
        object-fit: contain;
        object-position: center;
        border: 1px solid var(--workspace-border);
        border-radius: 6px;
        background: var(--workspace-surface);
    }
    /* In full screen, give images the whole screen. */
    .comment-doc-pane:fullscreen .main-doc-image-preview,
    .comment-doc-pane.is-document-fullscreen .main-doc-image-preview,
    .comment-doc-pane:fullscreen #addedDocPreviewPane:has(#addedDocPreviewImage[src]),
    .comment-doc-pane.is-document-fullscreen #addedDocPreviewPane:has(#addedDocPreviewImage[src]) {
        padding: 0 !important;
    }
    .comment-doc-pane:fullscreen .main-doc-image-preview img,
    .comment-doc-pane.is-document-fullscreen .main-doc-image-preview img,
    .comment-doc-pane:fullscreen .added-doc-preview-surface:has(#addedDocPreviewImage[src]),
    .comment-doc-pane.is-document-fullscreen .added-doc-preview-surface:has(#addedDocPreviewImage[src]) {
        border: 0;
        border-radius: 0;
    }
    .doc-version-layout.is-collapsed .doc-version-sidebar {
        width: 58px;
        padding: 8px 0;
        border-right: 0;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        gap: 8px;
        overflow-x: hidden;
        overflow-y: auto;
    }
    .doc-version-layout.is-collapsed .doc-version-header {
        width: 100%;
        height: 42px;
        flex: 0 0 42px;
        align-self: stretch;
        justify-content: center;
        position: relative;
    }
    .doc-version-layout.is-collapsed:not(.is-opening):not(.is-resize-compact) .doc-version-toggle {
        position: absolute;
        left: 50%;
        margin: 0 !important;
        transform: translateX(-50%);
    }
    .doc-version-layout.is-collapsed:not(.is-opening):not(.is-resize-compact) .doc-version-header,
    .doc-version-layout.is-collapsed:not(.is-opening):not(.is-resize-compact) .doc-version-list {
        transform: translateX(5px);
    }
    .doc-version-layout.is-collapsed .doc-version-list {
        width: 100%;
        flex: 0 0 auto;
        align-self: stretch;
        flex-flow: column nowrap !important;
        align-items: center;
        gap: 4px;
        overflow: hidden;
    }
    .doc-version-layout.is-collapsed .doc-version-list .nav-link {
        width: 36px;
        height: 36px;
        flex: 0 0 36px;
        margin-inline: auto !important;
        padding: 2px;
        border-radius: 8px;
    }
    .doc-version-layout.is-collapsed .doc-version-section,
    .doc-version-layout.is-collapsed .doc-version-section-body {
        display: flex;
        flex: 0 0 auto;
        width: 100%;
        margin: 0;
        flex-direction: column;
        align-items: center;
    }
    .comment-page-wrap.is-comments-collapsed .comment-thread-pane,
    .comment-thread-pane.is-collapsed {
        width: 54px !important;
        min-width: 54px !important;
    }
    .comment-thread-pane.is-collapsed .comment-pane-header {
        height: 100%;
        min-height: 0;
        padding: 14px 10px 10px;
        align-items: flex-start;
        justify-content: center;
        border-bottom: 0;
    }
    .comment-thread-pane.is-collapsed .comment-pane-heading,
    .comment-thread-pane.is-collapsed .pane-tab-content {
        display: none !important;
    }
    .comment-page-wrap.is-resizing .comment-thread-pane,
    .comment-page-wrap.is-resizing .comment-doc-pane,
    .comment-page-wrap.is-resizing .doc-version-sidebar {
        transition: none !important;
    }
    .comment-page-wrap.is-resizing .comment-thread-pane {
        min-width: 54px !important;
    }
    .comment-thread-pane.is-opening .comment-pane-heading,
    .comment-thread-pane.is-opening .pane-tab-content,
    .comment-thread-pane.is-resize-compact .comment-pane-heading,
    .comment-thread-pane.is-resize-compact .pane-tab-content {
        opacity: 0;
        pointer-events: none;
    }
    body.is-workspace-resizing,
    body.is-workspace-resizing * {
        cursor: col-resize !important;
    }

    html[data-bs-theme="dark"] .comment-page-wrap,
    html[data-layout-mode="dark"] .comment-page-wrap,
    body[data-bs-theme="dark"] .comment-page-wrap,
    body[data-layout-mode="dark"] .comment-page-wrap {
        --workspace-border: #3b4654;
        --workspace-surface: #252e39;
        --workspace-muted: #202833;
        --workspace-accent: #9b8cff;
        box-shadow: 0 8px 26px rgba(0, 0, 0, .2);
    }
    html[data-bs-theme="dark"] .doc-version-preview,
    html[data-layout-mode="dark"] .doc-version-preview,
    body[data-bs-theme="dark"] .doc-version-preview,
    body[data-layout-mode="dark"] .doc-version-preview {
        background: #1b222b;
    }
    html[data-bs-theme="dark"] .side-panel-toggle,
    html[data-layout-mode="dark"] .side-panel-toggle,
    body[data-bs-theme="dark"] .side-panel-toggle,
    body[data-layout-mode="dark"] .side-panel-toggle {
        border-color: #465365;
        color: #c4cedb;
    }
    html[data-bs-theme="dark"] .side-panel-toggle:hover,
    html[data-layout-mode="dark"] .side-panel-toggle:hover,
    body[data-bs-theme="dark"] .side-panel-toggle:hover,
    body[data-layout-mode="dark"] .side-panel-toggle:hover {
        border-color: #786ce0;
        background: #353154;
        color: #c8c1ff;
    }

    @media (max-width: 991.98px) {
        .comment-page-wrap {
            height: auto;
            min-height: 0;
            border: 0;
            border-radius: 0;
            box-shadow: none;
            background: transparent;
        }
        .comment-doc-pane {
            padding-top: 0;
        }
        .comment-doc-pane > .comment-pane-header {
            position: static;
            width: auto;
            min-height: 52px;
            border-radius: 10px 10px 0 0;
        }
        #paneResizer,
        .comment-thread-pane {
            margin-top: 0;
        }
        .doc-version-layout.is-collapsed .doc-version-sidebar {
            width: 100%;
            max-width: 100%;
            justify-content: flex-start;
            flex-direction: row;
            overflow-x: auto;
            overflow-y: hidden;
        }
        .doc-version-layout.is-collapsed .doc-version-header {
            width: 42px;
            flex: 0 0 42px;
            align-self: center;
        }
        .doc-version-layout.is-collapsed:not(.is-opening):not(.is-resize-compact) .doc-version-header,
        .doc-version-layout.is-collapsed:not(.is-opening):not(.is-resize-compact) .doc-version-list {
            transform: none;
        }
        .doc-version-layout.is-collapsed .doc-version-list {
            width: auto;
            flex: 1 1 auto;
            align-self: center;
            flex-flow: row nowrap !important;
            justify-content: flex-start;
            overflow: visible;
        }
        .doc-version-layout.is-collapsed .doc-version-section,
        .doc-version-layout.is-collapsed .doc-version-section-body {
            width: auto;
            flex-direction: row;
        }
        .comment-doc-pane {
            min-width: 0;
            border-radius: 10px;
        }
        .comment-thread-pane,
        .comment-page-wrap.is-comments-collapsed .comment-thread-pane,
        .comment-thread-pane.is-collapsed {
            width: 100% !important;
            min-width: 0 !important;
            flex-basis: auto;
            border-radius: 10px;
        }
        .comment-thread-pane.is-collapsed .comment-pane-header {
            height: auto;
            min-height: 48px;
            align-items: center;
            justify-content: space-between;
        }
        .comment-thread-pane.is-collapsed .comment-pane-heading {
            display: flex !important;
        }
        .comment-thread-pane.is-collapsed .comment-pane-heading .badge {
            display: inline-flex;
        }
    }

    /*
     * The unified-workspace rules above set an unconditional
     * `.doc-version-sidebar { width: 260px }` with no media guard. A later
     * unconditional rule beats an earlier media-guarded one at equal
     * specificity, so that 260px silently wins over the mobile
     * `width: 100%` override further up this file, pinning the version
     * sidebar to a fixed desktop width on phones and clipping its
     * contents. Re-assert the mobile width here, last in the cascade, so
     * it always wins below the tablet breakpoint.
     */
    @media (max-width: 991.98px) {
        .doc-version-sidebar {
            width: 100%;
            min-width: 0;
        }
    }

    /*
     * Responsive review workspace
     *
     * Keep the desktop split-pane experience, but turn the document viewer
     * into a true stacked workspace on tablets and phones. This final layer
     * intentionally comes after the legacy responsive rules above so saved
     * collapsed widths and older fixed pane heights cannot clip the version
     * rail or the preview at narrow viewport widths.
     */
    @media (max-width: 991.98px) {
        .comment-page-wrap,
        .comment-page-wrap.is-comments-collapsed {
            display: flex;
            flex-direction: column;
            gap: 16px;
            width: 100%;
            height: auto;
            min-height: 0;
            overflow: visible;
            margin-bottom: 24px;
        }

        .comment-page-wrap > *,
        .comment-doc-pane,
        .comment-thread-pane,
        .doc-version-layout,
        .doc-version-sidebar,
        .doc-version-preview {
            min-width: 0 !important;
            max-width: 100%;
            box-sizing: border-box;
        }

        .comment-doc-pane {
            width: 100%;
            height: auto;
            min-height: 0;
            max-height: none;
            flex: 0 0 auto;
            overflow: hidden;
            border: 1px solid var(--workspace-border);
            border-radius: 12px;
        }

        .comment-doc-pane > div[style*="flex: 1 1 0"] {
            flex: 0 0 auto !important;
            width: 100%;
            height: auto;
            overflow: visible !important;
        }

        .doc-version-layout,
        .doc-version-layout.is-collapsed {
            display: flex;
            flex-direction: column;
            width: 100%;
            height: auto;
            min-height: 0;
        }

        .doc-version-resizer,
        #paneResizer {
            display: none !important;
        }

        .doc-version-sidebar,
        .doc-version-layout.is-collapsed .doc-version-sidebar {
            width: 100% !important;
            max-width: 100%;
            min-height: 0;
            max-height: none;
            flex: 0 0 auto;
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 8px;
            padding: 10px 12px;
            overflow: hidden;
            border-right: 0;
            border-bottom: 1px solid var(--workspace-border);
        }

        .doc-version-layout.is-collapsed .doc-version-header,
        .doc-version-layout.is-collapsed:not(.is-opening):not(.is-resize-compact) .doc-version-header {
            width: 100%;
            height: auto;
            min-height: 36px;
            flex: 0 0 auto;
            align-self: stretch;
            justify-content: space-between;
            transform: none;
        }

        .doc-version-layout.is-collapsed .doc-version-title {
            display: flex;
        }

        .doc-version-layout.is-collapsed .doc-version-title-text,
        .doc-version-layout.is-collapsed .doc-version-section-header,
        .doc-version-layout.is-resize-compact .doc-version-title-text,
        .doc-version-layout.is-opening .doc-version-title-text {
            display: block;
            opacity: 1;
            pointer-events: auto;
        }

        .doc-version-toggle {
            display: none !important;
        }

        .doc-version-list.nav,
        .doc-version-layout.is-collapsed .doc-version-list {
            display: flex;
            width: 100%;
            flex: 0 0 auto;
            flex-flow: row nowrap !important;
            align-items: stretch;
            gap: 8px;
            margin: 0;
            padding: 1px 2px 7px;
            overflow-x: auto;
            overflow-y: hidden;
            opacity: 1;
            pointer-events: auto;
            transform: none;
            scroll-snap-type: x proximity;
            overscroll-behavior-inline: contain;
            scrollbar-width: thin;
        }

        .doc-version-list .doc-version-tab,
        .doc-version-layout.is-collapsed .doc-version-list .nav-link {
            width: auto;
            min-width: 190px;
            max-width: min(280px, 75vw);
            height: auto;
            min-height: 44px;
            flex: 0 0 auto;
            justify-content: flex-start;
            margin: 0 !important;
            padding: 7px 9px;
            scroll-snap-align: start;
        }

        .doc-version-layout.is-collapsed .doc-version-name {
            display: block;
        }

        .doc-version-list .doc-version-section,
        .doc-version-list .doc-version-section-body,
        .doc-version-layout.is-collapsed .doc-version-section,
        .doc-version-layout.is-collapsed .doc-version-section-body {
            width: auto;
            flex: 0 0 auto;
            flex-direction: row;
            align-items: stretch;
            margin: 0;
        }

        .doc-version-list .doc-version-section-header {
            display: none;
        }

        .doc-version-preview {
            width: 100%;
            height: clamp(480px, 62vh, 720px);
            flex: 0 0 auto;
            overflow: hidden;
        }

        .doc-version-preview iframe,
        .doc-version-preview img {
            max-width: 100%;
        }

        .comment-thread-pane,
        .comment-page-wrap.is-comments-collapsed .comment-thread-pane,
        .comment-thread-pane.is-collapsed {
            width: 100% !important;
            height: auto;
            min-height: 420px;
            max-height: none;
            flex: 0 0 auto;
            overflow: hidden;
            border: 1px solid var(--workspace-border);
            border-radius: 12px;
        }

        .comment-thread-pane.is-collapsed .pane-tab-content {
            display: flex !important;
        }

        .comment-thread-pane .pane-tab-content {
            min-height: 360px;
        }
    }

    @media (max-width: 575.98px) {
        .comment-page-wrap {
            gap: 12px;
            margin-inline: 0;
        }

        .comment-doc-pane > .comment-pane-header {
            padding: 10px;
        }

        .comment-doc-pane .comment-pane-header > .d-flex {
            display: grid !important;
            grid-template-columns: 36px minmax(0, 1fr) minmax(0, 1fr);
            gap: 6px !important;
        }

        .comment-doc-pane .comment-pane-header .btn {
            width: 100%;
            min-width: 0;
            padding-inline: 7px;
        }

        .doc-version-sidebar,
        .doc-version-layout.is-collapsed .doc-version-sidebar {
            padding: 9px 10px;
        }

        .doc-version-list .doc-version-tab,
        .doc-version-layout.is-collapsed .doc-version-list .nav-link {
            min-width: min(220px, 76vw);
            max-width: 76vw;
        }

        .doc-version-preview {
            height: clamp(420px, 60vh, 620px);
        }

        .comment-thread-pane,
        .comment-page-wrap.is-comments-collapsed .comment-thread-pane,
        .comment-thread-pane.is-collapsed {
            min-height: 440px;
        }
    }