[data-theme="dark"] .volume-drop-zone {
            color: #b9d2ec;
            background: #101b30;
            border-color: #33507a;
        }

        [data-theme="dark"] .volume-drop-zone:hover {
            background: #16233c;
        }

        [data-theme="dark"] .volume-drop-zone.dragging {
            color: #cfe1f7;
            background: #1a2c4d;
            border-color: #4f83c4;
        }

        [data-theme="dark"] .result-ring-track {
            stroke: #25334d;
        }

        [data-theme="dark"] .md-table-key {
            color: #8ab4ff;
        }

        [data-theme="dark"] .md-table-group .md-table-key {
            color: #a9c7f0;
        }

        [data-theme="dark"] .md-table-row:hover td {
            background: #1c2942;
        }

        [data-theme="dark"] .md-table-group td {
            background: #1a2640;
        }

        [data-theme="dark"] .md-table-group:hover td {
            background: #243355;
        }

        [data-theme="dark"] .skeleton-block {
            background: linear-gradient(90deg, #1e2c49 25%, #273756 50%, #1e2c49 75%);
            background-size: 200% 100%;
        }

        [data-theme="dark"] .task-status {
            color: #b6c3d6;
            background: #2b3a57;
        }

        [data-theme="dark"] .volume-correction-panel,
        [data-theme="dark"] .dicom-series-selection-panel {
            background: #241f12;
            border-color: #6b5522;
        }

        [data-theme="dark"] .volume-source-menu,
        [data-theme="dark"] .volume-case-source-options {
            border-color: #3c4f73;
        }

        [data-theme="dark"] .task-message.error {
            color: #fca5a5;
            background: #3b1a1a;
        }

        [data-theme="dark"] .volume-source-summary,
        [data-theme="dark"] .volume-modal-files-panel {
            color: #cfe1f7;
            background: #1a2c4d;
            border-color: #33507a;
        }

        [data-theme="dark"] .volume-source-menu button:hover {
            background: #243355;
            border-color: #46597c;
        }

        [data-theme="dark"] .task-small-btn:hover:not(:disabled) {
            background: #243355;
            border-color: #46597c;
        }

        [data-theme="dark"] .task-card {
            background: #1a2944;
            border-color: #4a6285;
        }

        [data-theme="dark"] .task-card:hover {
            background: #213552;
            border-color: #6ea8e8;
        }

        [data-theme="dark"] .task-query-row input:hover,
        [data-theme="dark"] .task-query-row select:hover,
        [data-theme="dark"] .volume-candidate-picker:hover {
            border-color: #46597c;
        }

        [data-theme="dark"] .task-status.succeeded {
            color: #86efac;
            background: #14351f;
        }

        [data-theme="dark"] .task-status.failed {
            color: #fca5a5;
            background: #3b1a1a;
        }

        [data-theme="dark"] .task-status.queued,
        [data-theme="dark"] .task-status.running,
        [data-theme="dark"] .task-status.cancel_requested {
            color: #93c5fd;
            background: #1d3456;
        }

        [data-theme="dark"] .result-details[open] summary {
            color: #cfe1f7;
            background: #1d3456;
            border-color: #33507a;
        }

        [data-theme="dark"] .loading-spinner {
            border-color: #2b3a57;
            border-top-color: #6ea8e8;
        }



body {
            font-family: var(--btir-font);
            background: linear-gradient(160deg, var(--btir-bg) 0%, var(--btir-bg-soft) 100%);
            color: var(--btir-text);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .app-container {
            display: flex;
            flex-direction: column;
            gap: 18px;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-lg);
            box-shadow: var(--btir-shadow-lg);
            padding: 24px 36px 32px;
            width: 95vw;
            max-width: 1400px;
            height: calc(100vh - 40px);
            max-height: 980px;
        }

        .app-topbar {
            flex-shrink: 0;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
            align-items: center;
            gap: 16px;
        }

        .app-title-group {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .app-home-btn {
            color: inherit;
            text-decoration: none;
            cursor: pointer;
        }

        .app-home-btn:hover .app-title-text h1 {
            color: var(--btir-accent);
        }

        .app-main-nav {
            display: flex;
            align-items: center;
            justify-self: center;
            gap: 4px;
            padding: 3px;
            background: var(--btir-bg);
            border-radius: var(--btir-radius-md);
        }

        .app-main-nav-btn {
            padding: 7px 13px;
            color: var(--btir-text-secondary);
            background: transparent;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.2s;
        }

        .app-main-nav-btn:hover:not(.active) {
            color: var(--btir-primary);
            background: var(--btir-surface);
        }

        .app-main-nav-btn.active {
            color: #ffffff;
            background: var(--btir-primary);
        }

        .topbar-export-report-btn,
        .topbar-reupload-btn {
            flex-shrink: 0;
            padding: 7px 12px;
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
            transition: all 0.2s;
        }

        .topbar-export-report-btn {
            color: #ffffff;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
        }

        .topbar-export-report-btn:hover:not(:disabled) {
            background: var(--btir-primary-hover);
        }

        .topbar-export-report-btn:disabled {
            cursor: not-allowed;
            opacity: 0.6;
        }

        .topbar-reupload-btn {
            color: var(--btir-primary);
            background: var(--btir-primary-soft);
        }

        .topbar-reupload-btn:hover {
            border-color: var(--btir-primary);
            background: var(--btir-surface);
        }

        .workspace-restore-loading {
            flex: 1;
            display: grid;
            place-items: center;
            min-height: 260px;
            color: var(--btir-text-secondary);
            font-size: 14px;
        }

        .btir-workspace-restoring #app .app-content {
            visibility: hidden;
        }

        .btir-workspace-restoring #app .app-main-nav {
            visibility: hidden;
            pointer-events: none;
        }


        .app-logo {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            display: inline-block;
            background-color: var(--btir-primary);
            -webkit-mask: url('/assets/icon_exp.png') center / contain no-repeat;
            mask: url('/assets/icon_exp.png') center / contain no-repeat;
        }

        [data-theme="dark"] .app-logo {
            background-color: #ffffff;
        }

        .app-title-text {
            min-width: 0;
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .app-title-text h1 {
            margin: 0;
            font-size: 20px;
            line-height: 1.2;
        }

        .app-title-subtitle {
            margin: 2px 0 0;
            font-size: 11px;
            line-height: 1.2;
            color: var(--btir-text-secondary);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .app-user-area {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: max-content;
            overflow: visible;
            flex-shrink: 0;
            justify-self: end;
        }

        .app-username {
            max-width: 160px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            color: var(--btir-accent);
            font-size: 13px;
            font-weight: 600;
        }

        .app-content {
            flex: 1;
            display: flex;
            gap: 22px;
            min-height: 0;
        }

        .left-panel {
            flex: 3;
            display: flex;
            flex-direction: column;
            min-width: 0;
            min-height: 0;
            overflow: hidden;
        }

        .left-panel-scroll {
            flex: 0 1 auto;
            min-height: 0;
            overflow-y: auto;
            padding-right: 8px;
        }

        .right-panel {
            flex: 2;
            border-left: 1px solid var(--btir-border);
            padding-left: 24px;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .app-content.result-workspace {
            display: block;
        }

        .result-workspace .left-panel {
            display: none;
        }

        .single-pane-workspace {
            display: block;
        }

        .single-pane-workspace .left-panel {
            max-width: none;
            height: 100%;
            justify-content: center;
        }

        .single-pane-workspace .left-panel-scroll {
            width: min(100%, 780px);
            max-height: 100%;
            margin: 0 auto;
            padding-right: 0;
        }

        .single-pane-workspace .input-group {
            margin-bottom: 0;
        }

        .result-workspace .right-panel {
            height: 100%;
            border-left: none;
            padding-left: 0;
        }

        .result-workspace .right-content {
            display: grid;
            grid-template-columns: minmax(360px, var(--btir-result-data-width, 1.618fr)) 16px minmax(360px, 1fr);
            gap: 0;
            align-items: stretch;
            padding-right: 4px;
            overflow: hidden;
        }

        .result-workspace .case-data-column {
            order: 1;
            min-width: 0;
            min-height: 0;
            overflow-y: auto;
            padding-right: 4px;
            container-type: inline-size;
        }

        .result-workspace .case-viewer-column {
            order: 3;
            min-width: 0;
            min-height: 0;
            display: flex;
            flex-direction: column;
        }

        .result-column-resizer {
            order: 2;
            position: relative;
            min-height: 100%;
            cursor: col-resize;
            touch-action: none;
            outline: none;
        }

        .result-column-resizer::before {
            position: absolute;
            top: 10px;
            bottom: 10px;
            left: 7px;
            width: 2px;
            background: var(--btir-border);
            border-radius: 999px;
            content: '';
            transition: background-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
        }

        .result-column-resizer span {
            position: absolute;
            top: 50%;
            left: 2px;
            z-index: 1;
            width: 12px;
            height: 42px;
            border: 1px solid var(--btir-border-strong);
            border-radius: 999px;
            background: var(--btir-surface);
            box-shadow: var(--btir-shadow-sm);
            transform: translateY(-50%);
            pointer-events: none;
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
        }

        .result-column-resizer span::before {
            position: absolute;
            top: 7px;
            left: 5px;
            width: 2px;
            height: 18px;
            border-radius: 999px;
            background: currentColor;
            box-shadow: 0 5px currentColor, 0 10px currentColor;
            color: var(--btir-text-muted);
            content: '';
        }

        .result-column-resizer:hover::before,
        .result-column-resizer:focus-visible::before,
        .result-column-resizer.dragging::before {
            background: var(--btir-primary);
            box-shadow: 0 0 10px color-mix(in srgb, var(--btir-primary) 40%, transparent);
            transform: scaleX(1.5);
        }

        .result-column-resizer:hover span,
        .result-column-resizer:focus-visible span,
        .result-column-resizer.dragging span {
            border-color: var(--btir-primary);
            background: var(--btir-primary-soft);
            box-shadow: 0 6px 14px color-mix(in srgb, var(--btir-primary) 22%, transparent);
        }

        body.btir-result-split-dragging {
            cursor: col-resize;
            user-select: none;
        }

        .result-workspace .case-viewer-column.viewer-column-dark {
            overflow: hidden;
            background:
                radial-gradient(circle at 50% 42%, rgba(55, 91, 137, 0.24), transparent 58%),
                linear-gradient(145deg, #0d1828, #02060b 78%);
            border: 1px solid #263a55;
            border-radius: var(--btir-radius-md);
            box-shadow: inset 0 0 38px rgba(0, 0, 0, 0.34), var(--btir-shadow-sm);
        }

        .result-workspace .case-viewer-column.viewer-column-dark .case-viewer-tabs {
            background: rgba(4, 10, 18, 0.72);
            border: 1px solid #2c415e;
        }

        .result-workspace .case-viewer-column.viewer-column-dark .case-viewer-tab {
            color: #aec4de;
        }

        .result-workspace .case-viewer-column.viewer-column-dark .case-viewer-tab:hover:not(.active) {
            color: #eff7ff;
            background: #1c304a;
        }

        .result-workspace .case-viewer-tabs {
            align-self: center;
            margin: 12px auto 14px;
            padding: 4px;
            border: 1px solid var(--btir-border);
            box-shadow: var(--btir-shadow-sm);
        }

        .result-workspace .case-viewer-tab {
            min-width: 86px;
        }

        .result-workspace .volume-viewer {
            flex: 1;
            min-height: 0;
        }

        .volume-viewer.volume-viewer-expanded {
            position: fixed;
            inset: 0;
            z-index: 200;
            border-radius: 0;
        }

        .result-workspace .case-overview [data-reveal] {
            opacity: 1;
        }

        h1 {
            color: var(--btir-primary);
            margin-bottom: 28px;
            font-size: 24px;
            flex-shrink: 0;
        }

        .input-group {
            margin-bottom: 18px;
            flex-shrink: 0;
        }

        .follow-up-upload-context {
            position: relative;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 12px;
            margin-bottom: 12px;
            padding: 10px 34px 10px 12px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
        }

        .follow-up-upload-context .follow-up-name {
            display: flex;
            align-items: baseline;
            gap: 6px;
            min-width: 0;
            flex: 1 1 auto;
        }

        .follow-up-upload-context .follow-up-name span {
            color: var(--btir-text-muted);
            font-size: 11px;
            flex-shrink: 0;
        }

        .follow-up-upload-context .follow-up-name strong {
            color: var(--btir-text);
            font-size: 13px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .follow-up-upload-context label.follow-up-date {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0;
            color: var(--btir-text-secondary);
            font-size: 11px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .follow-up-upload-context label.follow-up-date input {
            width: 150px;
            min-width: 0;
            padding: 7px 9px;
            color: var(--btir-text);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            font: inherit;
        }

        .follow-up-upload-context input:focus {
            outline: none;
            border-color: var(--btir-primary);
            box-shadow: 0 0 0 3px var(--btir-primary-soft);
        }

        .follow-up-upload-context button {
            padding: 8px 10px;
            color: var(--btir-primary);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            font-size: 11px;
            font-weight: 600;
            white-space: nowrap;
            cursor: pointer;
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
        }

        .follow-up-upload-context button:hover {
            color: #ffffff;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
            box-shadow: 0 5px 12px color-mix(in srgb, var(--btir-primary) 24%, transparent);
            transform: translateY(-1px);
        }

        .follow-up-upload-context .follow-up-close-btn {
            position: absolute;
            top: 8px;
            right: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            padding: 0;
            color: #d64545;
            background: transparent;
            border: none;
            border-radius: 6px;
            box-shadow: none;
            transform: none;
            cursor: pointer;
            transition: color 0.16s ease, background-color 0.16s ease;
        }

        .follow-up-upload-context .follow-up-close-btn:hover {
            color: #ffffff;
            background: #d64545;
            border-color: #d64545;
            box-shadow: none;
            transform: none;
        }

        @media (max-width: 520px) {
            .follow-up-upload-context {
                flex-direction: column;
                align-items: stretch;
                padding-top: 34px;
            }

            .follow-up-upload-context .follow-up-name,
            .follow-up-upload-context label.follow-up-date {
                width: 100%;
            }
        }

        .result-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 15px;
            flex-shrink: 0;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: var(--btir-accent);
            font-weight: 500;
        }

        .browse-btn {
            flex-shrink: 0;
            width: auto;
            min-width: 80px;
            padding: 12px 16px;
            white-space: nowrap;
            background: linear-gradient(160deg, var(--btir-primary-hover) 0%, var(--btir-primary) 100%);
            color: white;
            border: none;
            border-radius: var(--btir-radius-md);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--btir-transition-slow);
        }

        .browse-btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(30, 60, 114, 0.32);
        }

        .browse-btn:active:not(:disabled) {
            transform: translateY(0);
        }

        .browse-btn:disabled {
            background: #a0aec0;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .browse-btn.compact {
            min-width: 68px;
            padding: 9px 12px;
            font-size: 12px;
        }

        .volume-inputs {
            display: grid;
            gap: 8px;
        }

        .volume-drop-zone {
            display: grid;
            place-items: center;
            position: relative;
            min-height: 108px;
            margin-bottom: 12px;
            padding: 16px;
            color: #47658e;
            background: #f8fbff;
            border: 2px dashed #a9c4e3;
            border-radius: 9px;
            cursor: pointer;
            text-align: center;
            transition: all 0.2s;
        }

        .volume-drop-zone:hover {
            background: var(--btir-surface-hover);
            border-color: var(--btir-accent);
        }

        .volume-drop-zone.dragging {
            color: var(--btir-primary);
            background: #edf5ff;
            border-color: var(--btir-accent);
        }

        .volume-drop-title {
            color: var(--btir-primary);
            font-size: 15px;
            font-weight: 600;
        }

        .volume-drop-hint {
            margin-top: 5px;
            color: var(--btir-text-secondary);
            font-size: 12px;
        }

        .sample-download {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 2px;
            color: var(--btir-text-secondary);
            font-size: 12px;
        }

        .sample-download .icon {
            color: var(--btir-accent);
        }

        .sample-download-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            border-radius: 999px;
            background: var(--btir-primary-soft);
            border: 1px solid var(--btir-border);
            color: var(--btir-primary);
            font-weight: 600;
            font-family: inherit;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.2s;
        }

        .sample-download-link:hover {
            background: var(--btir-primary);
            border-color: var(--btir-primary);
            color: #ffffff;
        }

        .volume-source-menu {
            position: absolute;
            z-index: 2;
            display: flex;
            gap: 6px;
            bottom: 10px;
            padding: 6px;
            background: var(--btir-surface);
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            box-shadow: 0 4px 12px rgba(30, 60, 114, 0.16);
        }

        .volume-source-menu button {
            padding: 5px 8px;
            color: var(--btir-primary);
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: 5px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.15s;
        }

        .volume-source-menu button:hover {
            background: #eaf2fc;
            border-color: #94b7d3;
            transform: translateY(-1px);
        }

        .volume-source-menu button:active {
            transform: translateY(0);
        }

        .volume-case-source-picker {
            position: relative;
        }

        .volume-case-source-options {
            position: absolute;
            left: 0;
            bottom: calc(100% + 6px);
            display: flex;
            gap: 6px;
            padding: 6px;
            white-space: nowrap;
            background: var(--btir-surface);
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            box-shadow: 0 4px 12px rgba(30, 60, 114, 0.16);
        }

        .dicom-series-selection-panel {
            display: grid;
            gap: 10px;
            margin-top: 12px;
            padding: 12px;
            background: #fffaf0;
            border: 1px solid #fbd38d;
            border-radius: 8px;
        }

        .dicom-series-selection-title {
            color: #9c4221;
            font-size: 13px;
            font-weight: 600;
        }

        .dicom-series-selection-tip {
            color: #7c5a32;
            font-size: 12px;
        }

        .volume-source-summary {
            margin: 10px 0;
            padding: 8px 10px;
            color: var(--btir-primary);
            background: #eef6ff;
            border: 1px solid #bfdbfe;
            border-radius: 7px;
            font-size: 12px;
        }

        .volume-source-summary-header {
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 0;
        }

        .volume-source-summary-label {
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            min-width: 0;
        }

        .volume-source-clear {
            margin-left: auto;
            padding: 0 3px;
            color: #dc2626;
            background: transparent;
            border: 0;
            font-size: 18px;
            line-height: 1;
            cursor: pointer;
            transition: color 0.15s, transform 0.15s;
        }

        .volume-source-clear:hover {
            color: #b91c1c;
            transform: scale(1.2);
        }

        .volume-folder-file-list {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-top: 7px;
        }

        .volume-folder-file {
            max-width: 100%;
            padding: 3px 6px;
            overflow: hidden;
            color: var(--btir-accent);
            background: var(--btir-surface);
            border-radius: 4px;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .volume-correction-panel {
            margin-top: 12px;
            padding: 12px;
            background: #fffaf0;
            border: 1px solid #fbd38d;
            border-radius: 8px;
            max-height: 182px;
            overflow-y: auto;
        }

        .volume-correction-title {
            color: #9c4221;
            font-size: 13px;
            font-weight: 600;
        }

        .volume-correction-tip {
            margin: 4px 0 10px;
            color: #7c5a32;
            font-size: 12px;
            line-height: 1.5;
        }

        .volume-modal-files-panel {
            margin-top: 12px;
            margin-bottom: 12px;
            padding: 12px;
            background: #eef6ff;
            border: 1px solid #bfdbfe;
            border-radius: 8px;
            flex-shrink: 0;
        }

        .volume-modal-files-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            min-width: 0;
        }

        .volume-modal-files-title {
            color: var(--btir-primary);
            font-size: 13px;
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .volume-modal-files-tip {
            margin: 4px 0 10px;
            color: var(--btir-accent);
            font-size: 12px;
            line-height: 1.5;
        }

        .volume-file-detail {
            min-width: 0;
        }

        .volume-file-reason {
            color: #b45309;
            font-size: 11px;
        }

        .volume-file-confirmed {
            color: #15803d;
            font-size: 11px;
        }

        .volume-candidate-picker {
            width: 100%;
            padding: 7px 9px;
            color: var(--btir-text);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
            font-size: 12px;
            transition: border-color 0.15s;
        }

        .volume-candidate-picker:hover {
            border-color: #94b7d3;
        }

        .volume-input-row {
            display: grid;
            grid-template-columns: 58px minmax(0, 1fr) auto;
            gap: 8px;
            align-items: center;
        }

        .volume-modality {
            color: var(--btir-primary);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
        }

        .volume-file-name {
            min-width: 0;
            padding: 9px 11px;
            overflow: hidden;
            color: var(--btir-text-secondary);
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: 7px;
            font-size: 12px;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .volume-file-name.empty {
            color: var(--btir-text-muted);
        }


        button.recognize-btn {
            width: 100%;
            padding: 14px;
            background: linear-gradient(160deg, var(--btir-primary-hover) 0%, var(--btir-primary) 100%);
            color: white;
            border: none;
            border-radius: var(--btir-radius-md);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--btir-transition-slow);
            flex-shrink: 0;
        }

        .upload-action {
            display: grid;
            place-items: center;
            min-height: 88px;
            margin: 12px 0 4px;
        }

        .single-pane-workspace button.recognize-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: min(100%, 300px);
            height: 50px;
            padding: 0 24px;
            line-height: 1;
            margin: 0 auto;
        }

        button.recognize-btn:hover:not(:disabled) {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(30, 60, 114, 0.4);
        }

        button.recognize-btn:active:not(:disabled) {
            transform: translateY(0);
        }

        button.recognize-btn:disabled {
            background: #a0aec0;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        .result-section {
            flex: 1 1 auto;
            display: flex;
            flex-direction: column;
            border-top: 1px solid var(--btir-border);
            margin-top: 20px;
            padding-top: 20px;
            padding-right: 8px;
            min-height: 280px;
            animation: slide-up 0.3s ease;
        }

        .result-title {
            color: var(--btir-primary);
            font-size: 18px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .result-box {
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
            padding: 16px;
            flex: 1 1 auto;
            min-height: 0;
            overflow-y: auto;
        }

        .result-section.analysis-pending {
            flex: 0 0 auto;
            width: min(100%, 620px);
            min-height: 0;
            margin: 16px auto 0;
            padding: 0;
            border-top: none;
        }

        .result-section.analysis-pending .result-box {
            flex: 0 0 auto;
            overflow: visible;
            padding: 20px;
            background:
                radial-gradient(circle at 90% 0%, color-mix(in srgb, var(--btir-accent) 16%, transparent), transparent 44%),
                var(--btir-surface);
            border-color: color-mix(in srgb, var(--btir-primary) 32%, var(--btir-border));
            box-shadow: var(--btir-shadow-md);
        }

        .result-section.analysis-pending .result-item {
            margin: 0;
        }

        .result-section.analysis-pending .result-label {
            color: var(--btir-text-muted);
            font-size: 11px;
            font-weight: 600;
        }

        .result-section.analysis-pending .result-value {
            color: var(--btir-primary);
            font-size: 15px;
            font-weight: 700;
        }

        .result-item {
            margin-bottom: 12px;
        }

        .result-ring-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .result-ring {
            position: relative;
            width: 148px;
            height: 148px;
            margin: 6px 0 8px;
        }

        .result-ring-svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .result-ring-track {
            fill: none;
            stroke: #e8eef7;
            stroke-width: 8;
        }

        .result-ring-value {
            fill: none;
            stroke: #22c55e;
            stroke-width: 6;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.2s;
        }

        .result-ring-value.detected {
            stroke: #e53e3e;
        }

        .result-ring-center {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            padding: 0 22px;
            text-align: center;
        }

        .result-ring-percent {
            color: var(--btir-primary);
            font-size: 20px;
            font-weight: 700;
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
        }

        .result-ring-text {
            color: var(--btir-success);
            font-size: 10.5px;
            font-weight: 600;
            line-height: 1.3;
            max-width: 100%;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .result-ring-text.detected {
            color: var(--btir-danger);
        }

        .result-ring-value.seg {
            stroke: var(--btir-accent);
        }

        .result-ring-value.seg.empty {
            stroke: var(--btir-border-strong);
        }

        .result-ring-text.seg {
            color: var(--btir-text-secondary);
        }

        .result-ring-text.seg.empty {
            color: var(--btir-text-muted);
        }

        .result-seg-legend {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 5px 10px;
            margin-top: 2px;
            color: var(--btir-text-secondary);
            font-size: 11px;
            line-height: 1.5;
        }

        .result-seg-legend-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .result-seg-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .result-seg-dot.region-1 {
            background: #e53e3e;
        }

        .result-seg-dot.region-2 {
            background: #22c55e;
        }

        .result-seg-dot.region-4 {
            background: #facc15;
        }

        .result-seg-vol {
            color: var(--btir-text-muted);
            font-family: var(--btir-mono);
            font-variant-numeric: tabular-nums;
        }

        .result-chart-wrap {
            position: relative;
            margin: 6px 0 2px;
            height: 96px;
        }

        .result-chart-svg {
            display: block;
            width: 100%;
            height: 100%;
        }

        .result-chart-node {
            position: absolute;
            width: 16px;
            height: 16px;
            transform: translate(-50%, -50%);
            cursor: pointer;
        }

        .result-chart-node::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--btir-accent);
            transform: translate(-50%, -50%);
            transition: background-color 0.15s ease;
        }

        .result-chart-node:hover::before {
            background: #e53e3e;
        }

        .result-chart-tooltip {
            position: absolute;
            transform: translate(-50%, calc(-100% - 8px));
            padding: 4px 9px;
            background: #111c2e;
            color: #e2e8f0;
            border-radius: 6px;
            font-size: 11px;
            line-height: 1.45;
            white-space: nowrap;
            pointer-events: none;
            z-index: 2;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.45s ease, visibility 0s linear 0.45s;
        }

        .result-chart-tooltip.visible {
            opacity: 1;
            visibility: visible;
            transition: opacity 0.35s ease;
        }

        .result-chart-tooltip.below {
            transform: translate(-50%, 10px);
        }

        .result-chart-tip-slice {
            color: #94a3b8;
        }

        .result-chart-tip-value {
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }

        .result-chart-line {
            fill: none;
            stroke: var(--btir-accent);
            stroke-width: 2;
            stroke-linejoin: round;
            stroke-linecap: round;
            vector-effect: non-scaling-stroke;
        }

        .result-chart-threshold {
            stroke: #e53e3e;
            stroke-width: 1;
            stroke-dasharray: 4 3;
            vector-effect: non-scaling-stroke;
        }

        .result-chart-meta {
            color: var(--btir-text-secondary);
            font-size: 11px;
        }

        .result-regions {
            display: grid;
            gap: 7px;
            margin-top: 6px;
        }

        .result-region-row {
            display: grid;
            grid-template-columns: 86px minmax(0, 1fr) auto;
            align-items: center;
            gap: 10px;
            padding: 8px 10px;
            color: var(--btir-text);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
            font-size: 12px;
        }

        .result-region-name {
            color: var(--btir-text);
            white-space: nowrap;
        }

        .result-region-track {
            height: 8px;
            border-radius: 999px;
            background: var(--btir-bg);
            overflow: hidden;
        }

        .result-region-bar {
            display: block;
            height: 100%;
            border-radius: 999px;
            transition: width 0.5s ease;
        }

        .result-region-bar.region-1 {
            background: #e53e3e;
        }

        .result-region-bar.region-2 {
            background: #22c55e;
        }

        .result-region-bar.region-4 {
            background: #facc15;
        }

        .result-region-bar.region-wt {
            background: var(--btir-volume-wt);
        }

        .result-region-bar.region-tc {
            background: var(--btir-volume-tc);
        }

        .result-region-bar.region-et {
            background: var(--btir-volume-et);
        }

        .result-region-volume {
            color: var(--btir-text-secondary);
            font-family: var(--btir-mono);
            font-size: 11.5px;
            white-space: nowrap;
            font-variant-numeric: tabular-nums;
        }

        .result-label {
            color: var(--btir-text-secondary);
            font-size: 13px;
            margin-bottom: 4px;
        }

        .result-value {
            color: var(--btir-primary);
            font-size: 14px;
            word-break: break-all;
            font-family: 'Consolas', 'Monaco', monospace;
        }

        .result-details {
            margin-top: 12px;
            border-top: 1px solid #dbe7f5;
            padding-top: 10px;
        }

        .clinical-details {
            flex-shrink: 0;
            border-top: none;
            margin-top: 10px;
        }

        .result-details summary {
            width: fit-content;
            padding: 4px 12px 4px 10px;
            color: var(--btir-accent);
            background: var(--btir-primary-soft);
            border: 1px solid var(--btir-border-strong);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            user-select: none;
            list-style: none;
            transition: all 0.2s;
        }

        .result-details summary::-webkit-details-marker {
            display: none;
        }

        .result-details summary::before {
            content: '▸';
            display: inline-block;
            margin-right: 5px;
            color: var(--btir-accent);
            transition: transform 0.2s;
        }

        .result-details[open] summary::before {
            transform: rotate(90deg);
        }

        .result-details summary:hover {
            color: #ffffff;
            background: var(--btir-accent);
            border-color: var(--btir-accent);
        }

        .result-details summary:hover::before {
            color: #ffffff;
        }

        .result-details[open] summary {
            color: var(--btir-primary);
            background: #dbeafe;
            border-color: #b9d2ec;
        }

        .result-details-content {
            display: grid;
            gap: 12px;
            margin-top: 12px;
            padding: 12px;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: 8px;
        }

        .result-details-group {
            display: grid;
            gap: 6px;
        }

        .result-details-heading {
            color: var(--btir-text-secondary);
            font-size: 12px;
            font-weight: 600;
        }

        .result-detail-list {
            display: grid;
            gap: 5px;
            color: var(--btir-text);
            font-size: 13px;
            line-height: 1.5;
        }

        .case-overview {
            margin-bottom: 14px;
            padding: 14px;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
            box-shadow: var(--btir-shadow-sm);
        }

        .case-summary-card {
            margin-bottom: 14px;
            padding: 18px 20px;
            border: 1px solid #b8d7c4;
            border-radius: var(--btir-radius-md);
            background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 72%);
            box-shadow: var(--btir-shadow-sm);
        }

        .case-summary-card.case-summary-present {
            border-color: #f2c1c1;
            background: linear-gradient(135deg, #fff4f4 0%, #ffffff 72%);
        }

        .case-summary-card.case-summary-possible,
        .case-summary-card.case-summary-review {
            border-color: #f3d59d;
            background: linear-gradient(135deg, #fffbeb 0%, #ffffff 72%);
        }

        .case-summary-card[data-reveal],
        .follow-up-comparison[data-reveal],
        .case-imaging-features[data-reveal] {
            opacity: 0;
            transform: translateY(12px) scale(0.99);
            transition: opacity 0.42s ease, transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .case-summary-card[data-reveal].revealed,
        .follow-up-comparison[data-reveal].revealed,
        .case-imaging-features[data-reveal].revealed {
            opacity: 1;
            transform: translateY(0) scale(1);
        }

        .case-summary-card.revealed .case-summary-consistency,
        .follow-up-comparison.revealed .follow-up-heading,
        .case-imaging-features.revealed .case-imaging-features-heading {
            animation: result-element-enter 0.38s 0.08s both;
        }

        .case-summary-card.revealed .case-summary-result,
        .follow-up-comparison.revealed .follow-up-metric strong {
            animation: result-value-enter 0.5s 0.14s both;
        }

        .follow-up-comparison.revealed .follow-up-metric {
            animation: result-card-enter 0.4s both;
        }

        .follow-up-comparison.revealed .follow-up-metric:nth-child(1) {
            animation-delay: 0.1s;
        }

        .follow-up-comparison.revealed .follow-up-metric:nth-child(2) {
            animation-delay: 0.16s;
        }

        .follow-up-comparison.revealed .follow-up-metric:nth-child(3) {
            animation-delay: 0.22s;
        }

        .follow-up-comparison.revealed .follow-up-metric:nth-child(n + 4) {
            animation-delay: 0.28s;
        }

        .follow-up-comparison.revealed .follow-up-bar-track i,
        .case-imaging-features.revealed .case-imaging-feature-meter span {
            transform: scaleX(0);
            transform-origin: left center;
            animation: result-meter-enter 0.65s 0.28s cubic-bezier(0.22, 1, 0.36, 1) forwards;
        }

        @keyframes result-element-enter {
            from {
                opacity: 0;
                transform: translateY(-5px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes result-value-enter {
            0% {
                opacity: 0;
                transform: translateY(8px) scale(0.92);
            }
            70% {
                transform: translateY(0) scale(1.035);
            }
            100% {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        @keyframes result-card-enter {
            from {
                opacity: 0;
                transform: translateY(9px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes result-meter-enter {
            to {
                transform: scaleX(1);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            .case-summary-card[data-reveal],
            .follow-up-comparison[data-reveal],
            .case-imaging-features[data-reveal] {
                opacity: 1;
                transform: none;
                transition: none;
            }

            .case-summary-card.revealed .case-summary-consistency,
            .follow-up-comparison.revealed .follow-up-heading,
            .case-imaging-features.revealed .case-imaging-features-heading,
            .case-summary-card.revealed .case-summary-result,
            .follow-up-comparison.revealed .follow-up-metric strong,
            .follow-up-comparison.revealed .follow-up-metric,
            .follow-up-comparison.revealed .follow-up-bar-track i,
            .case-imaging-features.revealed .case-imaging-feature-meter span {
                animation: none;
                transform: none;
            }
        }

        .case-summary-topline,
        .case-summary-evidence {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .case-summary-topline {
            color: var(--btir-text-secondary);
            font-size: 12px;
            font-weight: 600;
        }

        .case-summary-consistency {
            padding: 3px 9px;
            color: var(--btir-primary);
            background: rgba(255, 255, 255, 0.72);
            border: 1px solid currentColor;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            white-space: nowrap;
        }

        .case-summary-result {
            margin-top: 9px;
            color: var(--btir-success);
            font-size: clamp(22px, 2vw, 29px);
            font-weight: 750;
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .case-summary-present .case-summary-result {
            color: var(--btir-danger);
        }

        .case-summary-possible .case-summary-result,
        .case-summary-review .case-summary-result {
            color: #b7791f;
        }

        .case-summary-description {
            margin: 8px 0 16px;
            color: var(--btir-text-secondary);
            font-size: 14px;
            line-height: 1.6;
        }

        .case-summary-evidence {
            align-items: stretch;
            justify-content: flex-start;
        }

        .case-summary-evidence-item {
            flex: 1;
            min-width: 0;
            display: grid;
            gap: 4px;
            padding: 10px 12px;
            background: rgba(255, 255, 255, 0.66);
            border: 1px solid rgba(49, 78, 115, 0.14);
            border-radius: var(--btir-radius-sm);
        }

        .case-summary-evidence-item span {
            color: var(--btir-text-muted);
            font-size: 11px;
        }

        .case-summary-evidence-item strong {
            color: var(--btir-text);
            font-size: 13px;
            line-height: 1.45;
            overflow-wrap: anywhere;
        }

        [data-theme="dark"] .case-summary-card {
            border-color: #2b6b45;
            background: linear-gradient(135deg, #102d20 0%, #14223a 76%);
        }

        [data-theme="dark"] .case-summary-card.case-summary-present {
            border-color: #7f3a3a;
            background: linear-gradient(135deg, #35191d 0%, #14223a 76%);
        }

        [data-theme="dark"] .case-summary-card.case-summary-possible,
        [data-theme="dark"] .case-summary-card.case-summary-review {
            border-color: #7a5d24;
            background: linear-gradient(135deg, #332713 0%, #14223a 76%);
        }

        [data-theme="dark"] .case-summary-evidence-item,
        [data-theme="dark"] .case-summary-consistency {
            background: rgba(15, 31, 54, 0.66);
        }

        .follow-up-comparison {
            margin-bottom: 14px;
            padding: 14px;
            background: linear-gradient(135deg, var(--btir-surface), color-mix(in srgb, var(--btir-primary-soft) 48%, var(--btir-surface)));
            border: 1px solid color-mix(in srgb, var(--btir-primary) 28%, var(--btir-border));
            border-radius: var(--btir-radius-md);
            box-shadow: var(--btir-shadow-sm);
        }

        .follow-up-heading,
        .follow-up-metrics,
        .follow-up-bars {
            display: flex;
            align-items: center;
        }

        .follow-up-heading {
            justify-content: space-between;
            gap: 12px;
        }

        .follow-up-heading > div:first-child {
            display: grid;
            gap: 3px;
        }

        .follow-up-heading span {
            color: var(--btir-text-secondary);
            font-size: 13px;
            font-weight: 700;
        }

        .follow-up-heading small {
            color: var(--btir-text-muted);
            font-size: 11px;
        }

        .follow-up-history {
            margin-top: 10px;
            overflow: visible;
            background: transparent;
            border: none;
        }

        .follow-up-history summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            min-height: 38px;
            padding: 8px 11px;
            color: #ffffff;
            list-style: none;
            background: linear-gradient(135deg, var(--btir-primary), #2f73a9);
            border: 1px solid var(--btir-primary);
            border-radius: 7px;
            box-shadow: 0 4px 12px color-mix(in srgb, var(--btir-primary) 22%, transparent);
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.16s ease;
        }

        .follow-up-history summary::marker {
            display: none;
        }

        .follow-up-history summary::-webkit-details-marker {
            display: none;
        }

        .follow-up-history summary::after {
            content: '⌄';
            color: #dcecff;
            font-size: 17px;
            line-height: 1;
            transition: transform 0.16s ease;
        }

        .follow-up-history[open] summary::after {
            transform: rotate(180deg);
        }

        .follow-up-history summary:hover {
            background: linear-gradient(135deg, #1b5f94, var(--btir-primary));
            box-shadow: 0 6px 16px color-mix(in srgb, var(--btir-primary) 30%, transparent);
            transform: translateY(-1px);
        }

        .follow-up-history-toggle strong {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .follow-up-history summary span {
            margin-left: auto;
            color: #dcecff;
            font-size: 10px;
            font-weight: 500;
        }

        .follow-up-history-list {
            display: grid;
            gap: 6px;
            padding: 8px 0 0;
        }

        .follow-up-history-item {
            display: grid;
            grid-template-columns: minmax(78px, auto) minmax(0, 1fr) auto;
            align-items: center;
            gap: 8px;
            width: 100%;
            padding: 8px 9px;
            color: var(--btir-text-secondary);
            text-align: left;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: 6px;
            cursor: pointer;
        }

        .follow-up-history-item:hover,
        .follow-up-history-item.active {
            color: var(--btir-primary);
            border-color: var(--btir-primary);
        }

        .follow-up-history-item.active {
            background: var(--btir-primary-soft);
            box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--btir-primary) 18%, transparent);
        }

        .follow-up-history-item span {
            font-size: 11px;
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }

        .follow-up-history-item small {
            overflow: hidden;
            color: var(--btir-text-muted);
            font-size: 10px;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .follow-up-history-item em {
            padding: 2px 5px;
            color: var(--btir-primary);
            background: color-mix(in srgb, var(--btir-primary-soft) 72%, transparent);
            border-radius: 4px;
            font-size: 10px;
            font-style: normal;
        }

        .follow-up-metrics {
            align-items: stretch;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 12px;
        }

        .follow-up-metric {
            display: grid;
            flex: 1 1 145px;
            gap: 4px;
            min-width: 0;
            padding: 10px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-left: 3px solid var(--btir-primary);
            border-radius: var(--btir-radius-sm);
        }

        .follow-up-metric.increase {
            border-left-color: var(--btir-danger);
        }

        .follow-up-metric.decrease {
            border-left-color: var(--btir-success);
        }

        .follow-up-metric.stable {
            border-left-color: var(--btir-text-muted);
        }

        .follow-up-metric-label,
        .follow-up-metric small {
            color: var(--btir-text-muted);
            font-size: 10px;
        }

        .follow-up-metric strong {
            color: var(--btir-text);
            font-size: 16px;
            font-variant-numeric: tabular-nums;
        }

        .follow-up-change {
            color: var(--btir-primary);
            font-size: 11px;
            font-weight: 600;
        }

        .follow-up-metric.increase .follow-up-change {
            color: var(--btir-danger);
        }

        .follow-up-metric.decrease .follow-up-change {
            color: var(--btir-success);
        }

        .follow-up-trend {
            margin-top: 12px;
            padding: 10px 12px 8px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
        }

        .follow-up-trend-title {
            color: var(--btir-text-secondary);
            font-size: 11px;
            font-weight: 600;
        }

        .follow-up-bars {
            align-items: flex-end;
            justify-content: center;
            gap: 24px;
            height: 116px;
            margin-top: 6px;
        }

        .follow-up-bar-item {
            display: grid;
            grid-template-rows: auto 76px auto;
            justify-items: center;
            gap: 3px;
            min-width: 94px;
            color: var(--btir-text-muted);
            font-size: 10px;
        }

        .follow-up-bar-value {
            color: var(--btir-text-secondary);
            font-size: 11px;
            font-variant-numeric: tabular-nums;
        }

        .follow-up-bar-track {
            display: flex;
            align-items: flex-end;
            width: 38px;
            height: 76px;
            overflow: hidden;
            background: var(--btir-bg);
            border: 1px solid var(--btir-border);
            border-radius: 7px 7px 3px 3px;
        }

        .follow-up-bar-track i {
            display: block;
            width: 100%;
            background: linear-gradient(180deg, var(--btir-primary), var(--btir-accent));
            border-radius: 5px 5px 2px 2px;
            transition: height 0.65s ease;
        }

        .follow-up-bar-item:last-child .follow-up-bar-track i {
            background: linear-gradient(180deg, #e05a47, var(--btir-danger));
        }

        @media (max-width: 640px) {
            .follow-up-heading {
                align-items: flex-start;
                flex-direction: column;
            }

            .follow-up-history-item {
                grid-template-columns: minmax(0, 1fr) auto;
            }

            .follow-up-history-item small {
                grid-column: 1 / -1;
            }
        }

        .case-imaging-features {
            margin-bottom: 14px;
            padding: 14px;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
            box-shadow: var(--btir-shadow-sm);
        }

        .case-imaging-features-heading,
        .case-imaging-feature-topline,
        .case-imaging-feature-meter-label {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .case-imaging-features-heading {
            margin-bottom: 10px;
            color: var(--btir-text-secondary);
            font-size: 12px;
            font-weight: 600;
        }

        .case-imaging-features-heading span:last-child {
            color: var(--btir-text-muted);
            font-size: 11px;
            font-weight: 400;
        }

        .case-imaging-features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(155px, 1fr));
            gap: 10px;
        }

        .case-imaging-feature-card {
            --btir-feature-accent: var(--btir-accent);
            min-width: 0;
            padding: 12px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-top: 3px solid var(--btir-feature-accent);
            border-radius: var(--btir-radius-sm);
        }

        .case-imaging-feature-extent {
            --btir-feature-accent: var(--btir-primary);
        }

        .case-imaging-feature-area {
            --btir-feature-accent: #7c3aed;
        }

        .case-imaging-feature-edema {
            --btir-feature-accent: var(--btir-volume-wt);
        }

        .case-imaging-feature-enhancement {
            --btir-feature-accent: var(--btir-volume-et);
        }

        .case-imaging-feature-distribution {
            --btir-feature-accent: var(--btir-accent);
        }

        .case-imaging-feature-topline {
            color: var(--btir-text-muted);
            font-size: 11px;
        }

        .case-imaging-feature-topline span:last-child {
            padding: 2px 6px;
            color: var(--btir-feature-accent);
            background: color-mix(in srgb, var(--btir-feature-accent) 10%, transparent);
            border-radius: 999px;
            font-size: 10px;
            font-family: var(--btir-mono);
            font-weight: 600;
            white-space: nowrap;
        }

        .case-imaging-feature-value {
            margin-top: 12px;
            color: var(--btir-text);
            font-size: 20px;
            font-weight: 750;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.025em;
            line-height: 1.1;
        }

        .case-imaging-feature-detail {
            min-height: 34px;
            margin-top: 6px;
            color: var(--btir-text-secondary);
            font-size: 11px;
            line-height: 1.45;
        }

        .case-imaging-feature-meter {
            height: 7px;
            margin-top: 10px;
            overflow: hidden;
            background: var(--btir-bg);
            border: 1px solid var(--btir-border);
            border-radius: 999px;
        }

        .case-imaging-feature-meter span {
            display: block;
            height: 100%;
            min-width: 2px;
            background: var(--btir-feature-accent);
            border-radius: inherit;
            transition: width 0.65s ease;
        }

        .case-imaging-feature-meter-label {
            margin-top: 5px;
            color: var(--btir-text-muted);
            font-size: 10px;
        }

        @media (max-width: 1040px) {
            .case-imaging-features-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 560px) {
            .case-imaging-features-grid {
                grid-template-columns: 1fr;
            }
        }

        .result-workspace .case-overview {
            display: block;
            padding: 16px;
        }

        .result-workspace .case-overview-title {
            margin-bottom: 10px;
        }

        .result-workspace .case-overview-grid {
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
        }

        .result-workspace .case-evidence-section {
            margin-top: 14px;
        }

        .case-evidence-title {
            margin: 2px 0 8px;
            color: var(--btir-text-secondary);
            font-size: 12px;
            font-weight: 600;
        }

        .case-evidence-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
        }

        .result-workspace .case-overview-ring .result-ring {
            width: 182px;
            height: 182px;
            margin: 10px 0;
        }

        .result-workspace .case-overview-ring .result-ring-percent {
            font-size: 26px;
        }

        .result-workspace .case-overview-ring .result-ring-text {
            font-size: 12px;
        }

        .case-evidence-grid .case-prob-expanded {
            grid-column: 1 / -1;
        }

        .result-workspace .case-prob-expanded .result-chart-wrap {
            height: 156px;
            margin: 12px 2px 6px;
        }

        .result-workspace .case-prob-expanded .result-chart-node {
            width: 20px;
            height: 20px;
        }

        .result-workspace .case-prob-expanded .result-chart-node::before {
            width: 8px;
            height: 8px;
        }

        @container (max-width: 540px) {
            .case-summary-topline,
            .case-summary-evidence,
            .case-imaging-features-heading {
                align-items: flex-start;
                flex-direction: column;
            }

            .case-summary-consistency {
                white-space: normal;
            }

            .case-imaging-features-grid,
            .result-workspace .case-overview-grid,
            .case-evidence-grid {
                grid-template-columns: 1fr;
            }

            .case-evidence-grid .case-prob-expanded {
                grid-column: auto;
            }

            .result-workspace .case-overview-ring .result-ring {
                margin-right: auto;
                margin-left: auto;
            }
        }

        .case-overview-title {
            margin-bottom: 10px;
            color: var(--btir-text-secondary);
            font-size: 12px;
            font-weight: 600;
        }

        .case-overview-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
            gap: 8px;
        }

        .case-overview-card {
            padding: 10px 12px;
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
            background: var(--btir-surface-muted);
            min-width: 0;
        }

        .case-overview-label {
            color: var(--btir-text-muted);
            font-size: 11px;
            margin-bottom: 4px;
        }

        .case-overview-main {
            color: var(--btir-text);
            font-size: 17px;
            font-weight: 700;
            line-height: 1.3;
            overflow-wrap: anywhere;
        }

        .case-overview-sub {
            color: var(--btir-text-secondary);
            font-size: 12px;
            margin-top: 3px;
        }

        .case-verdict.normal .case-overview-main {
            color: var(--btir-success);
        }

        .case-verdict.detected .case-overview-main {
            color: var(--btir-danger);
        }

        .volume-stack {
            position: relative;
            height: 16px;
            margin: 6px 0 8px;
            border-radius: 999px;
            overflow: hidden;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
        }

        .volume-stack-seg {
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            border-radius: 999px 0 0 999px;
            transition: width 0.4s ease;
        }

        .volume-stack-wt {
            background: var(--btir-volume-wt);
        }

        .volume-stack-tc {
            height: 62%;
            background: var(--btir-volume-tc);
        }

        .volume-stack-et {
            height: 30%;
            background: var(--btir-volume-et);
        }

        .volume-stack-labels {
            display: flex;
            flex-wrap: wrap;
            gap: 4px 12px;
            color: var(--btir-text-secondary);
            font-size: 11px;
        }

        .volume-stack-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            margin-right: 4px;
            border-radius: 2px;
            vertical-align: -1px;
        }

        .volume-stack-dot-wt {
            background: var(--btir-volume-wt);
        }

        .volume-stack-dot-tc {
            background: var(--btir-volume-tc);
        }

        .volume-stack-dot-et {
            background: var(--btir-volume-et);
        }

        .morph-bar {
            height: 8px;
            margin: 6px 0 6px;
            border-radius: 999px;
            overflow: hidden;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
        }

        .morph-bar span {
            display: block;
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--btir-primary), var(--btir-accent));
        }

        .prob-bar {
            display: flex;
            height: 8px;
            margin: 6px 0 4px;
            border-radius: 999px;
            overflow: hidden;
            background: var(--btir-border);
        }

        .prob-bar-seg {
            height: 100%;
            transition: width 0.4s ease;
        }

        .prob-bar-yes {
            background: var(--btir-danger);
        }

        .prob-bar-no {
            background: var(--btir-success);
        }

        .mini-chart-svg {
            display: block;
            width: 100%;
            height: 52px;
            margin: 4px 0 2px;
        }

        .mini-chart-threshold {
            stroke: var(--btir-text-muted);
            stroke-width: 1;
            stroke-dasharray: 3 3;
        }

        .mini-chart-line {
            fill: none;
            stroke: var(--btir-accent);
            stroke-width: 1.6;
            stroke-linejoin: round;
            stroke-linecap: round;
        }

        .analysis-summary,
        .case-meta-section {
            margin-bottom: 12px;
            padding: 12px 14px;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
            box-shadow: var(--btir-shadow-sm);
        }

        .analysis-summary-title,
        .case-meta-title {
            margin-bottom: 8px;
            color: var(--btir-text-secondary);
            font-size: 12px;
            font-weight: 600;
        }

        .analysis-summary-body {
            display: grid;
            gap: 8px;
        }

        .analysis-summary-item {
            color: var(--btir-text);
            font-size: 13px;
            line-height: 1.6;
        }

        .analysis-summary-label {
            display: inline-block;
            margin-right: 8px;
            padding: 1px 8px;
            color: var(--btir-primary);
            background: var(--btir-primary-soft);
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            vertical-align: 1px;
        }

        .case-summary-review {
            display: inline-block;
            margin-left: 6px;
            padding: 1px 6px;
            color: var(--btir-warning, #b45309);
            background: var(--btir-warning-bg, #fef3c7);
            border: 1px solid color-mix(in srgb, var(--btir-warning, #b45309) 26%, transparent);
            border-radius: 999px;
            font-size: 10px;
            font-style: normal;
            line-height: 1.45;
        }

        .analysis-observations summary {
            display: inline-flex;
            align-items: center;
            min-height: 30px;
            padding: 4px 10px;
            color: var(--btir-accent);
            background: var(--btir-primary-soft);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            font-size: 12px;
            cursor: pointer;
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
        }

        .analysis-detail-list {
            margin-top: 6px;
            color: var(--btir-text-secondary);
            font-size: 12px;
            line-height: 1.6;
        }

        .case-meta-grid {
            display: grid;
            gap: 10px;
        }

        .case-meta-block {
            padding: 8px 10px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
        }

        .case-meta-heading {
            margin-bottom: 5px;
            color: var(--btir-text-muted);
            font-size: 11px;
            font-weight: 600;
        }

        .case-meta-list {
            color: var(--btir-text);
            font-size: 12px;
            line-height: 1.6;
        }

        .case-meta-summary {
            display: inline-flex;
            align-items: center;
            min-height: 32px;
            padding: 4px 10px;
            color: var(--btir-accent);
            background: var(--btir-primary-soft);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 600;
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
        }

        .analysis-observations summary:hover,
        .case-meta-summary:hover {
            color: #ffffff;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
            box-shadow: 0 5px 12px color-mix(in srgb, var(--btir-primary) 24%, transparent);
            text-decoration: none;
            transform: translateY(-1px);
        }

        .analysis-observations[open] summary,
        .case-meta-section[open] .case-meta-summary {
            color: var(--btir-primary);
            background: color-mix(in srgb, var(--btir-primary-soft) 78%, var(--btir-surface));
            border-color: var(--btir-primary);
        }

        .case-meta-section[open] .case-meta-summary {
            margin-bottom: 10px;
        }

        .result-details.region-overview {
            margin-top: 0;
            margin-bottom: 12px;
            padding-top: 0;
            border-top: 0;
        }

        .result-details.region-overview summary {
            color: var(--btir-text-secondary);
            font-weight: 600;
        }

        .result-details.region-overview[open] summary {
            margin-bottom: 10px;
            color: var(--btir-primary);
        }

        .case-preview-figure {
            margin: 12px 0 0;
        }

        .case-preview-toolbar,
        .case-preview-stage,
        .case-preview-mode-switch,
        .case-preview-dots {
            display: flex;
            align-items: center;
        }

        .case-preview-toolbar {
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 8px;
        }

        .case-preview-mode-switch {
            padding: 3px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: 999px;
        }

        .case-preview-mode-switch button {
            padding: 5px 10px;
            color: var(--btir-text-secondary);
            background: transparent;
            border: 0;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.16s ease, background-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
        }

        .case-preview-mode-switch button.active {
            color: #ffffff;
            background: var(--btir-primary);
        }

        .case-preview-mode-switch button.active:hover:not(:disabled) {
            background: var(--btir-primary-hover);
            box-shadow: 0 3px 9px color-mix(in srgb, var(--btir-primary) 28%, transparent);
            transform: translateY(-1px);
        }

        .case-preview-mode-switch button:hover:not(.active):not(:disabled) {
            color: var(--btir-primary);
            background: var(--btir-primary-soft);
        }

        .case-preview-mode-switch button:disabled {
            cursor: not-allowed;
            opacity: 0.45;
        }

        .case-preview-position {
            min-width: 0;
            flex: 1 1 160px;
            color: var(--btir-text-muted);
            font-size: 11px;
            text-align: right;
        }

        .case-preview-expand {
            flex: 0 0 auto;
            min-height: 30px;
            padding: 5px 10px;
            color: var(--btir-primary);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            font: inherit;
            font-size: 11px;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
        }

        .case-preview-expand:hover:not(:disabled) {
            color: #ffffff;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
        }

        .case-preview-expand:active:not(:disabled) {
            transform: scale(0.97);
        }

        .case-preview-expand:disabled {
            cursor: not-allowed;
            opacity: 0.5;
        }

        .case-preview-stage {
            position: relative;
            width: 100%;
            justify-content: center;
        }

        .case-preview-viewport {
            position: relative;
            flex: 1;
            min-width: 0;
            overflow: hidden;
            min-height: 260px;
            display: grid;
            place-items: center;
            background:
                radial-gradient(circle at 50% 46%, rgba(54, 91, 139, 0.3), transparent 54%),
                linear-gradient(145deg, #0d1724, #02060b 72%);
            border: 1px solid #26364d;
            border-radius: var(--btir-radius-sm);
            box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.42);
        }

        .case-preview-open {
            display: block;
            width: 100%;
            min-width: 0;
            padding: 0;
            background: transparent;
            border: 0;
            cursor: zoom-in;
        }

        .case-preview-viewport > .case-preview-open,
        .case-preview-viewport > .case-preview-report-image,
        .case-preview-viewport > .case-preview-loading {
            width: 100%;
        }

        .case-preview-img {
            display: block;
            width: 100%;
            max-width: 640px;
            max-height: min(62vh, 640px);
            margin: 0 auto;
            background: #000000;
            border: 0;
            border-radius: calc(var(--btir-radius-sm) - 1px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
            object-fit: contain;
        }

        .case-preview-slide-next-enter-active,
        .case-preview-slide-next-leave-active,
        .case-preview-slide-prev-enter-active,
        .case-preview-slide-prev-leave-active {
            transition: opacity 0.24s ease, transform 0.24s cubic-bezier(0.22, 1, 0.36, 1);
        }

        .case-preview-slide-next-enter-from,
        .case-preview-slide-prev-leave-to {
            opacity: 0;
            transform: translateX(18px);
        }

        .case-preview-slide-next-leave-to,
        .case-preview-slide-prev-enter-from {
            opacity: 0;
            transform: translateX(-18px);
        }

        .case-preview-nav {
            position: absolute;
            z-index: 2;
            top: 50%;
            width: 36px;
            height: 44px;
            padding: 0;
            color: var(--btir-primary);
            background: color-mix(in srgb, var(--btir-surface) 90%, transparent);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-sm);
            font-size: 28px;
            line-height: 1;
            cursor: pointer;
            transform: translateY(-50%);
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
        }

        .case-preview-stage > .case-preview-nav:first-child {
            left: 8px;
        }

        .case-preview-stage > .case-preview-nav:last-child {
            right: 8px;
        }

        .case-preview-nav:hover:not(:disabled) {
            color: #ffffff;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
            box-shadow: 0 5px 12px color-mix(in srgb, var(--btir-primary) 26%, transparent);
        }

        .case-preview-nav:disabled {
            cursor: not-allowed;
            opacity: 0.38;
        }

        .case-preview-loading {
            display: grid;
            place-items: center;
            width: 100%;
            min-height: 260px;
            color: #a8bed9;
            background: transparent;
            border: 0;
            border-radius: inherit;
            font-size: 13px;
        }

        .case-preview-dots {
            justify-content: center;
            gap: 7px;
            margin-top: 9px;
        }

        .case-preview-dots button {
            width: 7px;
            height: 7px;
            padding: 0;
            background: var(--btir-border-strong);
            border: 0;
            border-radius: 50%;
            cursor: pointer;
            transition: width 0.2s ease, background-color 0.2s ease, transform 0.2s ease, border-radius 0.2s ease;
        }

        .case-preview-dots button.active {
            width: 20px;
            background: var(--btir-accent);
            border-radius: 999px;
        }

        .case-preview-dots button:hover:not(.active):not(:disabled) {
            background: var(--btir-primary);
            transform: scale(1.25);
        }

        .case-preview-figure figcaption {
            margin-top: 6px;
            color: var(--btir-text-muted);
            font-size: 11px;
            text-align: center;
        }

        body.btir-preview-fullscreen-open {
            overflow: hidden;
        }

        .case-preview-fullscreen {
            position: fixed;
            inset: 0;
            z-index: 1000;
            display: grid;
            padding: max(10px, env(safe-area-inset-top)) max(10px, env(safe-area-inset-right)) max(10px, env(safe-area-inset-bottom)) max(10px, env(safe-area-inset-left));
            background: rgba(2, 6, 11, 0.96);
        }

        .case-preview-fullscreen-panel {
            display: grid;
            grid-template-rows: auto minmax(0, 1fr);
            min-width: 0;
            min-height: 0;
            overflow: hidden;
            background: #02060b;
            border: 1px solid #26364d;
            border-radius: var(--btir-radius-md);
        }

        .case-preview-fullscreen-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            min-height: 56px;
            padding: 8px 12px;
            color: #dbeafe;
            background: #101c2d;
            border-bottom: 1px solid #26364d;
            font-size: 13px;
        }

        .case-preview-fullscreen-header > span {
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .case-preview-fullscreen-close {
            flex: 0 0 auto;
            min-width: 64px;
            min-height: 40px;
            padding: 8px 12px;
            color: #ffffff;
            background: var(--btir-primary);
            border: 1px solid #5c91cd;
            border-radius: 6px;
            font: inherit;
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
        }

        .case-preview-fullscreen-stage {
            position: relative;
            display: grid;
            place-items: center;
            min-width: 0;
            min-height: 0;
            padding: 10px 64px;
            background: radial-gradient(circle at 50% 46%, rgba(54, 91, 139, 0.3), transparent 54%), #02060b;
        }

        .case-preview-fullscreen-img {
            display: block;
            width: 100%;
            height: 100%;
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        .case-preview-fullscreen-nav {
            position: absolute;
            z-index: 1;
            top: 50%;
            width: 48px;
            height: 56px;
            padding: 0;
            color: #dbeafe;
            background: rgba(16, 28, 46, 0.9);
            border: 1px solid #3b4b63;
            border-radius: 8px;
            font-size: 38px;
            line-height: 1;
            cursor: pointer;
            transform: translateY(-50%);
        }

        .case-preview-fullscreen-nav.previous {
            left: 12px;
        }

        .case-preview-fullscreen-nav.next {
            right: 12px;
        }

        .case-preview-fullscreen-nav:disabled {
            cursor: not-allowed;
            opacity: 0.35;
        }

        @media (prefers-reduced-motion: reduce) {
            .case-preview-slide-next-enter-active,
            .case-preview-slide-next-leave-active,
            .case-preview-slide-prev-enter-active,
            .case-preview-slide-prev-leave-active,
            .case-preview-dots button {
                transition: none;
            }
        }

        @media (max-width: 640px) {
            .case-preview-toolbar {
                align-items: flex-start;
            }

            .case-preview-position {
                flex-basis: 100%;
                text-align: left;
            }

            .case-preview-stage {
                min-width: 0;
            }

            .case-preview-nav {
                width: 40px;
                height: 52px;
            }

            .case-preview-fullscreen {
                padding: 0;
            }

            .case-preview-fullscreen-panel {
                border: 0;
                border-radius: 0;
            }

            .case-preview-fullscreen-header {
                min-height: 58px;
                padding: 8px 12px;
            }

            .case-preview-fullscreen-stage {
                padding: 8px 52px;
            }

            .case-preview-fullscreen-nav {
                width: 42px;
                height: 52px;
            }

            .case-preview-fullscreen-nav.previous {
                left: 5px;
            }

            .case-preview-fullscreen-nav.next {
                right: 5px;
            }
        }

        .result-item-status-row {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cancel-analysis-btn {
            flex-shrink: 0;
            padding: 3px 10px;
            background: #e53e3e;
            color: #ffffff;
            border: 1px solid #c53030;
            border-radius: 6px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .cancel-analysis-btn:hover {
            background: #c53030;
        }

        .cancel-analysis-btn:active {
            transform: scale(0.96);
        }

        .analysis-progress {
            margin-top: 8px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .analysis-phases {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        .analysis-phase {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 3px 10px;
            font-size: 12px;
            line-height: 1.5;
            color: var(--btir-text-muted);
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: 999px;
            transition: all var(--btir-transition);
        }

        .analysis-phase .analysis-phase-icon {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--btir-border-strong);
            transition: background-color var(--btir-transition);
        }

        .analysis-phase.active {
            color: var(--btir-primary);
            background: var(--btir-primary-soft);
            border-color: var(--btir-primary);
        }

        .analysis-phase.active .analysis-phase-icon {
            background: var(--btir-primary);
            animation: analysis-phase-pulse 1.2s ease-in-out infinite;
        }

        .analysis-phase.done {
            color: var(--btir-success);
            background: var(--btir-success-bg);
            border-color: var(--btir-success);
        }

        .analysis-phase.done .analysis-phase-icon {
            background: var(--btir-success);
        }

        @keyframes analysis-phase-pulse {
            0%, 100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.45;
                transform: scale(0.78);
            }
        }

        .analysis-progress-track {
            position: relative;
            width: 100%;
            height: 8px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: 999px;
            overflow: hidden;
        }

        .analysis-progress-bar {
            position: relative;
            height: 100%;
            background: linear-gradient(
                90deg,
                var(--btir-primary) 0%,
                var(--btir-accent) 55%,
                var(--btir-success) 100%
            );
            border-radius: 999px;
            overflow: hidden;
            box-shadow: 0 0 8px var(--btir-progress-glow);
        }

        .analysis-progress-bar::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                90deg,
                transparent,
                rgba(255, 255, 255, 0.38),
                transparent
            );
            transform: translateX(-100%);
            animation: analysis-progress-shimmer 1.9s ease-in-out infinite;
        }

        .analysis-progress-seg {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 1px;
            background: var(--btir-border-strong);
            opacity: 0.65;
            pointer-events: none;
        }

        @keyframes analysis-progress-shimmer {
            0% {
                transform: translateX(-100%);
            }
            55%, 100% {
                transform: translateX(100%);
            }
        }

        .analysis-progress-label {
            color: var(--btir-text-secondary);
            font-size: 12px;
        }

        .status-fade-enter-active,
        .status-fade-leave-active {
            transition: opacity 0.4s ease;
        }

        .status-fade-enter-from,
        .status-fade-leave-to {
            opacity: 0;
        }

        .result-highlight {
            color: var(--btir-success);
            font-weight: 600;
            font-size: 16px;
        }

        .result-highlight.detected {
            color: var(--btir-danger);
        }

        .status-loading {
            color: var(--btir-accent);
            font-style: italic;
        }

        .status-error {
            color: #e53e3e;
        }

        .logout-btn {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            padding: 0;
            color: var(--btir-text-secondary);
            background: transparent;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            transition: background-color 0.2s, color 0.2s, transform 0.2s;
        }

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

        .logout-btn:active {
            transform: scale(0.92);
        }

        .logout-btn svg {
            margin-right: 0;
        }

        .theme-toggle {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            padding: 0;
            color: var(--btir-text-secondary);
            background: transparent;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            transition: background-color 0.2s, color 0.2s, transform 0.2s;
        }

        .theme-toggle:hover {
            color: var(--btir-primary);
            background: var(--btir-primary-soft);
        }

        .theme-toggle:active {
            transform: scale(0.92);
        }

        .theme-toggle svg {
            vertical-align: middle;
        }

        .right-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 0;
            overflow-y: auto;
            animation: fade-in 0.25s ease;
        }

        .case-viewer-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            align-self: flex-start;
            padding: 3px;
            background: var(--btir-bg);
            border-radius: var(--btir-radius-md);
            flex-shrink: 0;
            margin-bottom: 10px;
        }

        .case-viewer-tab {
            padding: 6px 13px;
            color: var(--btir-text-secondary);
            background: transparent;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            font-weight: 600;
            transition: all 0.2s;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .case-viewer-tab:hover:not(.active) {
            color: var(--btir-primary);
            background: var(--btir-surface);
        }

        .case-viewer-tab.active {
            color: #ffffff;
            background: var(--btir-primary);
        }

        .case-viewer-tab:active {
            transform: scale(0.97);
        }

        .file-downloads {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            margin-top: 12px;
            font-size: 12px;
        }

        .file-downloads-title {
            color: var(--btir-text-secondary);
            white-space: nowrap;
        }

        .export-report-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            min-height: 30px;
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            background: var(--btir-primary);
            color: #ffffff;
            border: 1px solid var(--btir-primary);
            cursor: pointer;
            white-space: nowrap;
            transition: all 0.2s;
        }

        .export-report-btn:hover:not(:disabled) {
            filter: brightness(1.08);
        }

        .export-report-btn:active:not(:disabled) {
            transform: scale(0.97);
        }

        .export-report-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .file-download-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 30px;
            padding: 5px 12px;
            border-radius: 6px;
            font-size: 12px;
            background: var(--btir-bg);
            color: var(--btir-text-secondary);
            border: 1px solid var(--btir-border);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
            transition: all 0.2s;
        }

        .file-download-link:hover {
            background: var(--btir-border);
            color: var(--btir-primary);
        }

        .file-download-link:active {
            transform: scale(0.97);
        }

        .md-table-viewer {
            flex: 1;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
            padding: 14px 16px;
            overflow-y: auto;
            min-height: 0;
            font-size: 13px;
            line-height: 1.55;
            color: var(--btir-text);
            animation: fade-in 0.2s ease;
        }

        .md-table-loading {
            display: flex;
            align-items: center;
            color: var(--btir-text-secondary);
        }

        .md-table-overview {
            display: flex;
            gap: 8px;
            align-items: center;
            justify-content: space-between;
            color: var(--btir-text-secondary);
            font-size: 12px;
            background: var(--btir-bg);
            border-radius: 8px;
            padding: 6px 12px;
            margin-bottom: 12px;
        }

        .md-table-copy {
            flex-shrink: 0;
            padding: 4px 12px;
            background: var(--btir-primary);
            color: #ffffff;
            border: 1px solid var(--btir-primary);
            border-radius: 6px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.2s;
        }

        .md-table-copy:hover {
            background: var(--btir-primary-hover);
            border-color: var(--btir-primary-hover);
        }

        .md-table-copy:active {
            transform: scale(0.96);
        }

        .md-table-copy svg,
        .logout-btn svg,
        .task-small-btn svg,
        .recognize-btn svg,
        .cancel-analysis-btn svg {
            vertical-align: -2px;
            margin-right: 5px;
        }

        .task-small-btn svg:last-child {
            margin-right: 0;
            margin-left: 5px;
        }

        .md-table-section {
            margin-bottom: 16px;
        }

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

        .md-table {
            width: 100%;
            table-layout: fixed;
            border-collapse: collapse;
            border: 1px solid var(--btir-border-strong);
            border-radius: 8px;
            overflow: hidden;
        }

        .md-table-row td {
            border-bottom: 1px solid var(--btir-border);
            padding: 3px 10px;
            vertical-align: top;
            transition: background-color 0.15s;
        }

        .md-table-row:last-child td {
            border-bottom: none;
        }

        .md-table-key {
            width: 42%;
            color: #0f4c81;
            font-family: var(--btir-mono);
            font-size: 12.5px;
            white-space: pre-wrap;
            word-break: break-all;
            font-variant-numeric: tabular-nums;
        }

        .md-table-value {
            color: var(--btir-text);
            font-family: var(--btir-mono);
            font-size: 12.5px;
            white-space: pre-wrap;
            word-break: break-all;
            font-variant-numeric: tabular-nums;
        }

        .md-table-group td {
            background: var(--btir-surface-muted);
        }

        .md-table-group .md-table-key {
            font-weight: 700;
            color: var(--btir-primary);
        }

        .md-table-group .md-table-value {
            color: var(--btir-text-muted);
        }

        .md-table-count {
            color: var(--btir-text-muted);
            font-weight: 400;
            font-size: 11.5px;
        }

        .md-table-toggle {
            display: inline-block;
            color: var(--btir-text-muted);
            font-size: 11px;
            margin-right: 4px;
            transition: color 0.15s, transform 0.15s;
        }

        .md-table-hint {
            color: var(--btir-text-muted);
            font-size: 11.5px;
            transition: color 0.15s;
        }

        .md-table-group:hover .md-table-hint {
            color: var(--btir-primary);
            text-decoration: underline;
        }

        .md-table-group {
            cursor: pointer;
        }

        .md-table-empty {
            color: var(--btir-text-muted);
            text-align: center;
            padding: 12px;
        }

        .md-table-row:hover td {
            background: var(--btir-surface-hover);
        }

        .md-table-group:hover td {
            background: #dcebfa;
        }

        .md-table-group:hover .md-table-key {
            color: var(--btir-primary);
        }

        .md-table-group:hover .md-table-toggle {
            color: var(--btir-primary);
            transform: translateX(2px);
        }

        .json-placeholder {
            flex: 1;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
            color: var(--btir-text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            animation: fade-in 0.2s ease;
        }

        .loading-spinner {
            display: inline-block;
            width: 16px;
            height: 16px;
            border: 3px solid #e8f0f8;
            border-top: 3px solid #407eb8;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-right: 8px;
            vertical-align: middle;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes fade-in {
            from {
                opacity: 0;
                transform: translateY(4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes slide-up {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        [data-reveal] {
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        [data-reveal].revealed {
            opacity: 1;
        }

        [data-reveal="scroll"] {
            opacity: 0;
            transform: translateY(14px);
            transition: opacity 0.42s ease, transform 0.42s cubic-bezier(0.22, 1, 0.36, 1);
        }

        [data-reveal="scroll"].revealed {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            [data-reveal="scroll"],
            [data-reveal="scroll"].revealed {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

        .app-toast {
            position: fixed;
            bottom: 34px;
            left: 50%;
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 13px;
            color: #ffffff;
            background: #1e293b;
            box-shadow: var(--btir-shadow-md);
            z-index: 100;
            opacity: 0;
            transform: translateX(-50%) translateY(12px);
            transition: opacity 0.25s ease, transform 0.25s ease;
            pointer-events: none;
        }

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

        .app-toast.success {
            background: var(--btir-success);
        }

        .app-toast.error {
            background: var(--btir-danger);
        }

        .app-toast.info {
            background: var(--btir-info);
        }

        .app-toast-icon {
            font-weight: 700;
        }

        button:focus-visible,
        .file-download-link:focus-visible,
        .task-list-tab:focus-visible,
        .app-main-nav-btn:focus-visible,
        .app-home-btn:focus-visible,
            .topbar-export-report-btn:focus-visible,
            .topbar-reupload-btn:focus-visible,
        .volume-drop-zone:focus-visible,
        .result-details summary:focus-visible {
            outline: 2px solid #407eb8;
            outline-offset: 2px;
        }

        button:disabled {
            cursor: not-allowed;
        }

        .file-fetch-error {
            color: #ef9a9a;
        }

        .task-manager {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 0;
            animation: fade-in 0.25s ease;
        }

        .result-workspace .task-manager {
            width: min(100%, 1040px);
            margin: 0 auto;
        }

        .result-workspace .task-query-row {
            max-width: 760px;
        }

        .result-workspace .task-card-actions {
            justify-content: flex-start;
        }

        .task-list-tabs {
            display: flex;
            gap: 16px;
            margin-bottom: 10px;
            border-bottom: 1px solid #e2e8f0;
            flex-shrink: 0;
        }

        [data-theme="dark"] .task-list-tabs {
            border-color: var(--btir-border);
        }

        [data-theme="dark"] .skeleton-block {
            background: linear-gradient(90deg, #1d2d47 25%, #263b5a 50%, #1d2d47 75%);
            background-size: 200% 100%;
        }

        .case-imaging-feature-card,
        .case-overview-card,
        .follow-up-metric,
        .case-meta-block {
            background: color-mix(in srgb, var(--btir-surface-muted) 88%, var(--btir-surface));
            border-color: color-mix(in srgb, var(--btir-border-strong) 68%, var(--btir-border));
        }

        .case-imaging-feature-card,
        .case-overview-card,
        .follow-up-metric,
        .case-meta-block,
        .result-details summary,
        .analysis-observations summary,
        .case-meta-summary {
            transition: color var(--btir-transition), background-color var(--btir-transition), border-color var(--btir-transition), box-shadow var(--btir-transition), transform var(--btir-transition);
        }

        .task-list-tab {
            padding: 6px 2px 8px;
            color: var(--btir-text-secondary);
            background: transparent;
            border: none;
            border-bottom: 2px solid transparent;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: color 0.2s, border-bottom-color 0.2s;
        }

        .task-list-tab:hover {
            color: var(--btir-primary);
            border-bottom-color: #94b7d3;
        }

        .task-list-tab.active {
            color: var(--btir-primary);
            border-bottom-color: var(--btir-primary);
        }

        .task-query-row {
            display: flex;
            gap: 8px;
            margin-bottom: 10px;
            flex-shrink: 0;
        }

        .task-query-row input,
        .task-query-row select {
            min-width: 0;
            padding: 9px 10px;
            color: var(--btir-text);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: 6px;
            font-size: 13px;
            transition: color 0.15s, background-color 0.15s, border-color 0.15s, box-shadow 0.15s;
        }

        .task-query-row input:hover,
        .task-query-row select:hover {
            border-color: #94b7d3;
            background: var(--btir-surface-hover);
        }

        .task-query-row input {
            flex: 1;
        }

        .task-query-row select {
            width: 104px;
            cursor: pointer;
        }

        .task-query-row .task-small-btn svg {
            margin-right: 8px;
        }

        .task-query-row input:focus,
        .task-query-row select:focus {
            outline: none;
            border-color: #407eb8;
            box-shadow: 0 0 0 2px rgba(64, 126, 184, 0.12);
        }

        .task-small-btn {
            flex-shrink: 0;
            padding: 8px 15px 8px 9px;
            color: var(--btir-text);
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border);
            border-radius: 6px;
            font-size: 12px;
            cursor: pointer;
            transition: all 0.15s;
        }

        .task-case-group-heading .task-small-btn {
            padding-left: 12px;
        }

        .task-small-btn:hover:not(:disabled) {
            background: #e8f0f8;
            border-color: #94b7d3;
            transform: translateY(-1px);
        }

        .task-small-btn.primary {
            color: white;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
        }

        .task-small-btn.primary:hover:not(:disabled) {
            background: var(--btir-primary-hover);
            border-color: var(--btir-primary-hover);
        }

        .task-small-btn.danger {
            color: #b42318;
            background: var(--btir-surface);
            border-color: #f0b7b2;
        }

        .task-small-btn.danger:hover:not(:disabled) {
            color: #ffffff;
            background: #e53e3e;
            border-color: #e53e3e;
        }

        [data-theme="dark"] .task-small-btn.danger {
            color: #fecaca;
            background: #311d29;
            border-color: #7f4658;
        }

        [data-theme="dark"] .task-small-btn.danger:hover:not(:disabled) {
            color: #ffffff;
            background: #d14545;
            border-color: #e76868;
        }

        .task-small-btn:active:not(:disabled) {
            transform: translateY(0);
        }

        .task-small-btn:disabled {
            opacity: 0.55;
            cursor: not-allowed;
        }

        .task-message {
            padding: 8px 10px;
            margin-bottom: 10px;
            color: var(--btir-accent);
            background: var(--btir-primary-soft);
            border-radius: 6px;
            font-size: 12px;
            line-height: 1.5;
            flex-shrink: 0;
        }

        .task-message.error {
            color: #b42318;
            background: #fef3f2;
        }

        .task-list {
            flex: 1;
            min-height: 0;
            overflow-y: auto;
            padding-right: 3px;
        }

        .task-case-group {
            margin-bottom: 14px;
            padding: 9px;
            background: color-mix(in srgb, var(--btir-primary-soft) 38%, transparent);
            border: 1px solid color-mix(in srgb, var(--btir-primary) 18%, var(--btir-border));
            border-radius: var(--btir-radius-md);
        }

        .app-main-nav.restoring {
            visibility: hidden;
            pointer-events: none;
        }

        .task-case-group-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 4px 3px 2px;
        }

        .task-case-group-heading > div {
            display: flex;
            align-items: baseline;
            flex-wrap: wrap;
            gap: 6px;
            min-width: 0;
        }

        .task-case-group-heading span,
        .task-case-group-heading small {
            color: var(--btir-text-secondary);
            font-size: 11px;
        }

        .task-case-group-heading strong {
            overflow: hidden;
            color: var(--btir-primary);
            font-size: 13px;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .task-case-group .task-card:last-child {
            margin-bottom: 0;
        }

        .task-empty {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--btir-text-muted);
            font-size: 13px;
        }

        .task-skeleton-list {
            display: grid;
            gap: 8px;
        }

        .task-skeleton {
            padding: 12px;
            display: grid;
            gap: 9px;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border);
            border-radius: var(--btir-radius-md);
        }

        .skeleton-block {
            height: 12px;
            border-radius: 6px;
            background: linear-gradient(90deg, #e8eef7 25%, #f4f8fd 50%, #e8eef7 75%);
            background-size: 200% 100%;
            animation: skeleton-shimmer 1.2s ease-in-out infinite;
        }

        @keyframes skeleton-shimmer {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        .task-card {
            padding: 12px;
            margin-bottom: 8px;
            background: var(--btir-surface-muted);
            border: 1px solid var(--btir-border-strong);
            border-radius: var(--btir-radius-md);
            box-shadow: var(--btir-shadow-sm);
            transition: all 0.2s;
            animation: slide-up 0.25s ease backwards;
        }

        .task-card:hover {
            background: var(--btir-surface-hover);
            border-color: var(--btir-accent);
            box-shadow: var(--btir-shadow-md);
            transform: translateY(-1px);
        }

        .task-card.current {
            border-color: var(--btir-primary);
            box-shadow: 0 0 0 2px var(--btir-primary-soft);
        }

        .task-card.clickable {
            cursor: pointer;
        }

        .task-card.clickable:focus-visible {
            outline: 2px solid var(--btir-accent);
            outline-offset: 2px;
        }

        .task-card-header {
            display: flex;
            justify-content: space-between;
            gap: 8px;
            align-items: flex-start;
        }

        .task-card-status-group {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 5px;
            flex-shrink: 0;
        }

        .task-current-badge {
            padding: 2px 6px;
            color: var(--btir-primary);
            background: var(--btir-primary-soft);
            border-radius: 999px;
            font-size: 10px;
            font-weight: 700;
            line-height: 1.3;
        }

        .task-card-name-line {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            min-width: 0;
            max-width: 100%;
        }

        .task-card-name {
            flex: 0 1 auto;
            min-width: 0;
            color: var(--btir-primary);
            font-size: 13px;
            font-weight: 600;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .task-rename-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            padding: 0;
            color: var(--btir-text-secondary);
            background: var(--btir-surface);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            opacity: 0;
            cursor: pointer;
            transition: opacity 0.16s ease, color 0.16s ease, background-color 0.16s ease;
        }

        .task-card:hover .task-rename-btn,
        .task-card-name-line:hover .task-rename-btn,
        .task-rename-btn:focus-visible {
            opacity: 1;
        }

        .task-rename-btn:hover {
            color: #ffffff;
            background: var(--btir-primary);
            border-color: var(--btir-primary);
        }

        .task-card-name-input {
            display: block;
            flex: 1;
            width: auto;
            min-width: 0;
            padding: 4px 6px;
            color: var(--btir-primary);
            background: var(--btir-surface);
            border: 1px solid var(--btir-primary);
            border-radius: 6px;
            font: inherit;
            font-size: 13px;
            font-weight: 600;
        }

        .task-card-name-input:focus {
            outline: none;
            box-shadow: 0 0 0 3px var(--btir-primary-soft);
        }

        .task-rename-confirm-btn,
        .task-rename-cancel-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            padding: 0;
            background: var(--btir-surface);
            border: 1px solid var(--btir-border-strong);
            border-radius: 6px;
            cursor: pointer;
            transition: color 0.16s ease, background-color 0.16s ease, border-color 0.16s ease;
        }

        .task-rename-confirm-btn {
            color: #1e9e50;
        }

        .task-rename-confirm-btn:hover {
            color: #ffffff;
            background: #1e9e50;
            border-color: #1e9e50;
        }

        .task-rename-cancel-btn {
            color: var(--btir-text-secondary);
        }

        .task-rename-cancel-btn:hover {
            color: #ffffff;
            background: #d64545;
            border-color: #d64545;
        }

        .task-card-id {
            margin-top: 4px;
            color: var(--btir-text-secondary);
            font-family: var(--btir-mono);
            font-size: 11px;
            word-break: break-all;
            font-variant-numeric: tabular-nums;
        }

        .volume-viewer {
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 0;
            overflow: hidden;
            background: linear-gradient(145deg, #101c2d, #050b14 74%);
            border-radius: 8px;
            box-shadow: inset 0 0 36px rgba(0, 0, 0, 0.34);
            animation: fade-in 0.2s ease;
        }

        .volume-viewer-toolbar {
            display: flex;
            flex-direction: column;
            align-items: stretch;
            gap: 8px;
            padding: 9px 10px;
            color: #cbd5e1;
            background: #111c2e;
            border-bottom: 1px solid #26364d;
            font-size: 12px;
        }

        .volume-viewer-toolbar-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            width: 100%;
        }

        .volume-viewer-toolbar-group {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .volume-viewer-button {
            padding: 5px 9px;
            color: #cbd5e1;
            background: transparent;
            border: 1px solid #3b4b63;
            border-radius: 5px;
            font-size: 11px;
            cursor: pointer;
            transition: all 0.15s;
        }

        .volume-viewer-button:hover:not(:disabled) {
            background: #23324a;
            border-color: #4b6b93;
        }

        .volume-viewer-button:active:not(:disabled) {
            transform: scale(0.95);
        }

        .volume-viewer-button.active {
            color: #fff;
            background: #315f9b;
            border-color: #477bbd;
        }

        .volume-viewer-button:disabled {
            opacity: 0.45;
            cursor: wait;
        }

        .volume-viewer-mask-control {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #cbd5e1;
            font-weight: 400;
            accent-color: #407eb8;
        }

        .volume-viewer-mask-control input[type="range"] {
            width: 76px;
            accent-color: #4c86c6;
        }

        .volume-viewer-stage {
            position: relative;
            flex: 1;
            min-height: 0;
            background:
                radial-gradient(circle at 50% 43%, rgba(55, 91, 137, 0.28), transparent 52%),
                linear-gradient(145deg, #0e1929, #01050a 76%);
            box-shadow: inset 0 0 42px rgba(0, 0, 0, 0.38);
        }

        .volume-viewer-stage canvas {
            display: block;
            width: 100%;
            height: 100%;
            min-height: 320px;
            background: #02060b;
            outline: none;
        }

        .volume-viewer-status {
            position: absolute;
            inset: 0;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            color: #dbeafe;
            background: rgba(9, 17, 31, 0.82);
            font-size: 13px;
            text-align: center;
        }

        .volume-viewer-status.error {
            color: #fecaca;
        }

        .volume-viewer-error-panel {
            display: grid;
            justify-items: center;
            gap: 12px;
            max-width: 320px;
            line-height: 1.55;
        }

        .volume-viewer-error-panel button {
            padding: 7px 11px;
            color: #ffffff;
            background: #315f9b;
            border: 1px solid #5c91cd;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
        }

        .volume-viewer-error-panel button:hover {
            background: #4275af;
            border-color: #80b2eb;
            transform: translateY(-1px);
        }

        .volume-download-panel {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            width: min(340px, 82%);
        }

        .volume-download-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #dbeafe;
        }

        .volume-download-track {
            width: 100%;
            height: 6px;
            background: #1e293b;
            border: 1px solid #334155;
            border-radius: 999px;
            overflow: hidden;
        }

        .volume-download-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--btir-primary), var(--btir-accent));
            border-radius: 999px;
            transition: width 0.15s ease-out;
        }

        .volume-download-percent {
            color: #93c5fd;
            font-variant-numeric: tabular-nums;
        }

        .volume-viewer-legend {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            padding: 7px 10px;
            color: var(--btir-text-muted);
            background: #0e1828;
            border-top: 1px solid #26364d;
            font-size: 10px;
        }

        .volume-viewer-legend-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .volume-viewer-legend-color {
            width: 9px;
            height: 9px;
            border-radius: 2px;
        }

        .task-status {
            flex-shrink: 0;
            padding: 3px 7px;
            border-radius: 999px;
            color: var(--btir-text-secondary);
            background: var(--btir-border);
            font-size: 11px;
        }

        .task-status.succeeded::before {
            content: '✓';
            margin-right: 4px;
        }

        .task-status.failed::before {
            content: '✕';
            margin-right: 4px;
        }

        .task-status.queued::before,
        .task-status.running::before,
        .task-status.cancel_requested::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            margin-right: 5px;
            border-radius: 50%;
            background: currentColor;
            vertical-align: 1px;
        }

        .task-status.succeeded {
            color: #18794e;
            background: #dcfce7;
        }

        .task-status.failed {
            color: #b42318;
            background: #fee2e2;
        }

        .task-status.queued,
        .task-status.running,
        .task-status.cancel_requested {
            color: #1d4ed8;
            background: #dbeafe;
            animation: status-pulse 1.6s ease-in-out infinite;
        }

        @keyframes status-pulse {
            0%, 100% {
                box-shadow: 0 0 0 0 rgba(29, 78, 216, 0);
            }
            50% {
                box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.14);
            }
        }

        .task-meta {
            margin-top: 8px;
            color: var(--btir-text-secondary);
            font-size: 11px;
            line-height: 1.6;
        }

        .task-error-text {
            margin-top: 5px;
            color: #b42318;
            font-size: 11px;
            line-height: 1.5;
        }

        .task-card-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: flex-end;
            gap: 6px;
            margin-top: 8px;
        }

        .task-run-history {
            display: grid;
            gap: 5px;
            margin-top: 10px;
            padding-top: 9px;
            border-top: 1px solid #e2e8f0;
        }

        .task-run-history-row {
            display: grid;
            grid-template-columns: 48px minmax(0, 1fr) auto;
            align-items: center;
            gap: 8px;
            color: var(--btir-text-secondary);
            font-size: 11px;
            border-radius: 4px;
            transition: background 0.15s;
        }

        .task-run-history-row:hover {
            background: var(--btir-primary-soft);
        }

        .task-run-history-model {
            color: var(--btir-primary);
            font-weight: 600;
        }

        .task-run-history-empty {
            padding: 3px 0;
            color: var(--btir-text-muted);
            font-size: 11px;
        }

        .task-pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 12px;
            padding-top: 10px;
            color: var(--btir-text-secondary);
            font-size: 12px;
            flex-shrink: 0;
        }

        @media (max-width: 760px) {
            body {
                align-items: flex-start;
                padding: 10px;
            }

            .app-container {
                flex-direction: column;
                height: auto;
                min-height: calc(100vh - 20px);
                padding: 22px;
            }

            .app-content {
                flex-direction: column;
            }

            .result-workspace .right-content {
                grid-template-columns: 1fr;
            }

            .result-workspace .result-column-resizer {
                display: none;
            }

            .result-workspace .case-viewer-column {
                order: 1;
                height: min(62vh, 520px);
            }

            .result-workspace .case-data-column {
                order: 2;
            }

            .app-topbar {
                display: flex;
                flex-wrap: wrap;
            }

            .app-main-nav {
                order: 3;
                width: 100%;
            }

            .app-main-nav-btn {
                flex: 1;
            }

            .left-panel {
                max-height: calc(100vh - 120px);
            }

            .single-pane-workspace .left-panel {
                height: auto;
                justify-content: flex-start;
            }

            .single-pane-workspace .left-panel-scroll {
                width: 100%;
            }

            .right-panel {
                min-height: 520px;
                border-left: none;
                border-top: 2px solid #e8f0f8;
                padding-left: 0;
                padding-top: 20px;
            }

            .result-workspace .right-panel {
                min-height: 0;
                padding-top: 0;
            }

            .result-workspace .case-overview {
                grid-template-columns: 1fr;
            }

            .result-workspace .case-overview-title {
                grid-column: auto;
            }

            .result-workspace .case-overview-grid {
                grid-template-columns: 1fr;
            }

            .case-evidence-grid {
                grid-template-columns: 1fr;
            }

            .result-workspace .volume-viewer {
                min-height: calc(100vh - 160px);
            }
        }

        /* Mobile interaction pass: preserve every workspace action without requiring
           horizontal scrolling or hover-only controls. */
        @media (max-width: 760px) {
            body {
                display: block;
                min-width: 320px;
                padding: 0;
            }

            .app-container {
                width: 100%;
                min-height: 100vh;
                min-height: 100dvh;
                max-height: none;
                padding: 16px;
                border: 0;
                border-radius: 0;
                box-shadow: none;
            }

            .app-topbar {
                display: grid;
                grid-template-columns: minmax(0, 1fr) auto;
                gap: 10px;
                align-items: center;
            }

            .app-title-group {
                min-width: 0;
                gap: 8px;
            }

            .app-title-text h1 {
                font-size: 18px;
                line-height: 1.25;
            }

            .app-title-subtitle {
                font-size: 10px;
            }

            .app-logo {
                width: 34px;
                height: 34px;
            }

            .app-user-area {
                min-width: 0;
                gap: 6px;
            }

            .app-username {
                max-width: 96px;
            }

            .theme-toggle,
            .logout-btn {
                width: 40px;
                height: 40px;
            }

            .topbar-export-report-btn,
            .topbar-reupload-btn {
                min-height: 40px;
                padding: 8px 10px;
            }

            .app-main-nav {
                grid-column: 1 / -1;
                display: grid;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 6px;
                width: 100%;
            }

            .app-main-nav-btn {
                min-height: 42px;
                padding: 8px;
            }

            .app-content,
            .left-panel,
            .left-panel-scroll,
            .right-panel,
            .task-manager,
            .task-list,
            .result-workspace .right-content,
            .result-workspace .case-data-column {
                min-height: auto;
                max-height: none;
                overflow: visible;
            }

            .left-panel {
                width: 100%;
            }

            .right-panel {
                width: 100%;
                min-height: auto;
                padding-top: 16px;
            }

            .result-workspace .case-viewer-column {
                height: min(58vh, 460px);
                min-height: 320px;
            }

            .result-workspace .case-data-column {
                padding: 16px 0 0;
            }

            .volume-input-row {
                grid-template-columns: minmax(0, 1fr) auto;
                gap: 7px;
            }

            .volume-modality {
                grid-column: 1 / -1;
            }

            .browse-btn,
            .browse-btn.compact,
            .volume-source-menu button,
            .volume-case-source-picker > button,
            .volume-case-source-options button {
                min-height: 40px;
            }

            .follow-up-upload-context,
            .dicom-series-selection-panel,
            .volume-correction-panel {
                padding: 12px;
            }

            .result-region-row,
            .follow-up-history-item {
                grid-template-columns: minmax(0, 1fr) auto;
            }

            .result-region-row .region-bar,
            .follow-up-history-item small {
                grid-column: 1 / -1;
            }

            .case-viewer-tabs {
                justify-content: flex-start;
                max-width: 100%;
                overflow-x: auto;
                scrollbar-width: thin;
            }

            .case-viewer-tab {
                flex: 1 0 104px;
                min-height: 40px;
            }

            .file-downloads,
            .case-preview-toolbar,
            .case-preview-controls,
            .task-card-actions {
                gap: 8px;
            }

            .task-list-tabs {
                gap: 14px;
            }

            .task-list-tab {
                min-height: 40px;
                padding: 8px 4px;
            }

            .task-query-row {
                flex-wrap: wrap;
            }

            .task-query-row input {
                flex: 1 1 100%;
                min-height: 42px;
            }

            .task-query-row select {
                flex: 1 1 132px;
                width: auto;
                min-height: 42px;
            }

            .task-small-btn {
                min-height: 42px;
                padding: 8px 13px;
            }

            .task-rename-btn {
                width: 36px;
                height: 36px;
                opacity: 1;
            }

            .task-rename-confirm-btn,
            .task-rename-cancel-btn {
                width: 36px;
                height: 36px;
            }

            .task-run-history-row {
                grid-template-columns: 44px minmax(0, 1fr);
                padding: 5px 0;
            }

            .task-run-history-row > :last-child {
                grid-column: 2;
            }

            .task-pagination {
                flex-wrap: wrap;
                gap: 8px;
                padding-bottom: 4px;
            }

            .volume-viewer-toolbar {
                gap: 7px;
                padding: 8px;
            }

            .volume-viewer-toolbar-row {
                gap: 6px;
            }

            .volume-viewer-toolbar-group {
                flex-wrap: wrap;
                gap: 6px;
            }

            .volume-viewer-button,
            .volume-viewer-error-panel button {
                min-height: 36px;
                padding: 7px 9px;
            }

            .volume-viewer-mask-control {
                min-height: 36px;
            }

            .volume-viewer-mask-control input[type="range"] {
                width: min(130px, 34vw);
            }

            .volume-viewer-stage canvas {
                min-height: 280px;
            }

            .app-toast {
                bottom: max(16px, env(safe-area-inset-bottom));
                width: calc(100% - 28px);
                max-width: 440px;
                justify-content: center;
                padding: 11px 14px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .app-container {
                padding: 12px;
            }

            .app-title-text h1 {
                font-size: 16px;
            }

            .app-title-subtitle {
                display: none;
            }

            .app-logo {
                width: 31px;
                height: 31px;
            }

            .app-username {
                display: none;
            }

            .topbar-export-report-btn,
            .topbar-reupload-btn {
                max-width: 132px;
                font-size: 11px;
                line-height: 1.25;
            }

            .case-viewer-tab {
                flex-basis: 96px;
                font-size: 12px;
            }

            .task-card-header,
            .task-case-group-heading {
                align-items: flex-start;
            }

            .task-card-status-group {
                max-width: 42%;
            }

            .task-card-actions > * {
                flex: 1 1 118px;
            }

            .volume-viewer-stage canvas {
                min-height: 240px;
            }

            .case-preview-mode {
                width: 100%;
            }

            .case-preview-mode button {
                flex: 1 1 0;
                min-height: 38px;
            }
        }

        @media (pointer: coarse) {
            .volume-drop-zone,
            .sample-download-link,
            .file-download-link,
            .export-report-btn,
            .case-preview-nav,
            .case-preview-expand,
            .result-details summary,
            .analysis-observations summary,
            .case-meta-summary {
                min-height: 40px;
            }
        }