/* ============================================================
   TAC Viewer — Panel de metadata y paneles flotantes
   ============================================================ */

/* ── Metadata panel ──────────────────────────────────────── */
#metadataPanel {
    background: var(--bg-app);
    border-left: 1px solid var(--border);
    display: flex; flex-direction: column;
    overflow: hidden;
    transition: width var(--normal);
}

#metaHeader {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.meta-title {
    font-size: 12px; font-weight: 700;
    color: var(--text-secondary); letter-spacing: 0.06em;
    text-transform: uppercase;
}
#metaToggle {
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary); font-size: 12px;
    transition: all var(--fast);
}
#metaToggle:hover { background: var(--bg-secondary); color: var(--text-primary); }

/* Patient info (top section) */
#patientInfo {
    padding: 10px 12px;
    display: flex; flex-direction: column; gap: 4px;
    flex-shrink: 0;
}
.patient-name {
    font-size: 14px; font-weight: 700; color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.patient-sub {
    font-size: 11px; color: var(--text-secondary);
    display: flex; gap: 8px; flex-wrap: wrap;
}
.meta-badge {
    background: var(--bg-secondary); border-radius: 4px;
    padding: 1px 6px; font-size: 10px; font-weight: 600;
    color: var(--brand-accent); border: 1px solid var(--border);
}

.meta-divider { height: 1px; background: var(--border); flex-shrink: 0; }

/* Search row */
.meta-search-row { padding: 8px 10px; flex-shrink: 0; }
#metaSearch {
    width: 100%;
    background: var(--input-bg); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 6px 10px;
    color: var(--text-primary); font-size: 12px;
    outline: none; transition: border-color var(--fast);
}
#metaSearch:focus { border-color: var(--brand-accent); }
#metaSearch::placeholder { color: var(--text-tertiary); }

/* Tag list */
.meta-tag-list {
    flex: 1; overflow-y: auto;
    padding: 4px 0;
}
.meta-tag-item {
    display: grid; grid-template-columns: 90px 1fr;
    gap: 4px; padding: 4px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    font-size: 11px;
    transition: background var(--fast);
}
.meta-tag-item:hover { background: var(--bg-secondary); }
.meta-tag-key {
    color: var(--text-tertiary); font-variant-numeric: tabular-nums;
    font-size: 10px; font-weight: 600;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.meta-tag-val {
    color: var(--text-primary);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.meta-tag-name {
    grid-column: 1 / -1;
    font-size: 9px; color: var(--text-tertiary);
    letter-spacing: 0.04em;
}

/* Collapsed state */
#metadataPanel.collapsed #metaHeader,
#metadataPanel.collapsed #patientInfo,
#metadataPanel.collapsed .meta-divider,
#metadataPanel.collapsed .meta-search-row,
#metadataPanel.collapsed .meta-tag-list {
    display: none;
}
#metadataPanel.collapsed {
    display: flex; align-items: center; justify-content: center;
    writing-mode: vertical-lr;
}
#metadataPanel.collapsed::after {
    content: 'INFO DICOM';
    font-size: 10px; font-weight: 700; letter-spacing: 0.1em;
    color: var(--text-tertiary); cursor: pointer;
}

/* ── Panel de filtros de imagen ──────────────────────────── */
.filters-panel {
    position: fixed;
    z-index: 8500;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    width: 268px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.15s ease;
    transform-origin: top right;
}
.filters-panel.hidden { display: none; }

.fp-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 14px 8px;
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0;
    background: var(--bg-card); z-index: 1;
}
.fp-title {
    font-size: 11px; font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase; letter-spacing: 0.07em;
}
.fp-close {
    font-size: 12px; color: var(--text-tertiary);
    background: none; border: none; cursor: pointer; padding: 2px 4px;
    border-radius: 4px; transition: all var(--fast);
}
.fp-close:hover { background: var(--bg-secondary); color: var(--text-primary); }

/* Sección de cada filtro */
.fp-section {
    padding: 8px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
}
.fp-section:last-of-type { border-bottom: none; }

.fp-row {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 2px;
}
.fp-label {
    font-size: 12px; font-weight: 600; color: var(--text-primary);
}
.fp-hint {
    font-size: 10px; color: var(--text-tertiary); margin-bottom: 4px;
}

/* Toggle switch */
.fp-toggle { position: relative; display: inline-block; flex-shrink: 0; }
.fp-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.fp-toggle-track {
    display: block; width: 34px; height: 18px;
    background: var(--bg-tertiary);
    border-radius: 99px; cursor: pointer;
    transition: background var(--fast);
    position: relative;
}
.fp-toggle-track::after {
    content: '';
    position: absolute; top: 2px; left: 2px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--text-tertiary);
    transition: all var(--fast);
}
.fp-toggle input:checked + .fp-toggle-track {
    background: rgba(120,218,171,0.3);
}
.fp-toggle input:checked + .fp-toggle-track::after {
    background: var(--brand-accent);
    transform: translateX(16px);
}

/* Parámetros (se muestran solo cuando el filtro está ON) */
.fp-params {
    display: none;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.fp-params.visible { display: block; }

.fp-slider-row {
    display: grid;
    grid-template-columns: 70px 1fr 36px;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
    font-size: 11px; color: var(--text-secondary);
}
.fp-slider-row input[type="range"] {
    -webkit-appearance: none;
    height: 3px; border-radius: 99px;
    background: var(--bg-tertiary);
    outline: none; cursor: pointer;
}
.fp-slider-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 13px; height: 13px;
    border-radius: 50%;
    background: var(--brand-accent);
    cursor: pointer;
}
.fp-slider-row span:last-child {
    text-align: right; font-variant-numeric: tabular-nums;
    color: var(--brand-accent); font-weight: 600;
}

.fp-radio-row {
    display: flex; gap: 14px;
    font-size: 11px; color: var(--text-secondary);
    margin-top: 2px;
}
.fp-radio-row label { display: flex; align-items: center; gap: 4px; cursor: pointer; }
.fp-radio-row input[type="radio"] { accent-color: var(--brand-accent); }

/* Botón reset */
.fp-reset {
    display: block; width: calc(100% - 28px);
    margin: 6px 14px 10px;
    padding: 6px;
    border-radius: var(--radius-sm);
    font-size: 11px; font-weight: 600;
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--fast);
    text-align: center;
}
.fp-reset:hover { color: var(--danger); border-color: var(--danger); background: rgba(239,68,68,0.08); }

/* ── Zoom panel flotante ─────────────────────────────────── */
.zoom-panel {
    position: fixed;
    z-index: 8500;
    background: var(--bg-card);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    width: 280px;
    box-shadow: var(--shadow-lg);
    animation: scaleIn 0.15s ease;
    transform-origin: top left;
}
.zoom-panel.hidden { display: none; }

.zoom-panel-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 10px;
}
.zoom-panel-title { font-size: 12px; font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.06em; }
.zoom-panel-value { font-size: 20px; font-weight: 800; color: var(--brand-accent); font-variant-numeric: tabular-nums; }

.zoom-slider-row {
    display: flex; align-items: center; gap: 8px; margin-bottom: 10px;
}
.zoom-tick { font-size: 10px; color: var(--text-tertiary); white-space: nowrap; }

#zoomSlider {
    flex: 1; -webkit-appearance: none;
    height: 4px; border-radius: 99px;
    background: var(--bg-tertiary);
    outline: none; cursor: pointer;
}
#zoomSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--brand-accent);
    cursor: pointer;
    box-shadow: 0 0 0 3px rgba(120,218,171,0.2);
    transition: box-shadow var(--fast);
}
#zoomSlider::-webkit-slider-thumb:hover {
    box-shadow: 0 0 0 5px rgba(120,218,171,0.3);
}

.zoom-quick-row {
    display: flex; gap: 4px; flex-wrap: wrap;
}
.zoom-quick-btn {
    flex: 1; min-width: 40px;
    padding: 5px 6px;
    border-radius: var(--radius-sm);
    font-size: 11px; font-weight: 600;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--fast);
    text-align: center;
}
.zoom-quick-btn:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.zoom-quick-btn--fit { background: rgba(120,218,171,0.1); color: var(--brand-accent); border-color: rgba(120,218,171,0.3); flex: 2; }
.zoom-quick-btn--fit:hover { background: rgba(120,218,171,0.2); }

/* ── Measurement tooltip (inline canvas) ─────────────────── */
.measure-tooltip {
    position: absolute; pointer-events: none;
    background: rgba(0,0,0,0.8); border: 1px solid rgba(120,218,171,0.5);
    border-radius: 4px; padding: 4px 8px;
    font-size: 11px; font-weight: 600; color: var(--brand-accent);
    white-space: pre-line; z-index: 500;
    backdrop-filter: blur(4px);
}

/* ── ROI stats popup ─────────────────────────────────────── */
.roi-stats-box {
    position: absolute; pointer-events: none;
    background: rgba(0,0,0,0.82);
    border: 1px solid rgba(0,180,255,0.4);
    border-radius: 4px; padding: 6px 10px;
    font-size: 11px; color: #fff;
    white-space: nowrap; z-index: 500;
}
.roi-stats-box b { color: #60c8ff; }

/* ── Loading overlay (en viewport) ──────────────────────── */
.vp-loading {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.6); z-index: 50;
    flex-direction: column; gap: 12px;
}
.vp-loading-spinner {
    width: 36px; height: 36px;
    border: 3px solid var(--border-strong);
    border-top-color: var(--brand-accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}
.vp-loading-text { font-size: 12px; color: var(--text-secondary); }

/* ── Context menu ─────────────────────────────────────────── */
.context-menu {
    position: fixed; z-index: 2000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    padding: 4px 0;
    min-width: 170px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.55);
    user-select: none;
}
.ctx-item {
    padding: 7px 14px;
    font-size: 13px; color: var(--text-primary);
    cursor: pointer;
    transition: background var(--fast);
}
.ctx-item:hover { background: var(--bg-hover); }
.ctx-item.danger { color: var(--error); }
.ctx-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ── Modal genérico ───────────────────────────────────────── */
.modal-overlay {
    position: fixed; inset: 0; z-index: 1500;
    background: rgba(0,0,0,0.65);
    display: flex; align-items: center; justify-content: center;
}
.modal-box {
    background: var(--bg-app);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    width: min(500px, 92vw);
    max-height: 82vh;
    display: flex; flex-direction: column;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0,0,0,0.6);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    font-size: 14px; font-weight: 700; color: var(--text-primary);
    flex-shrink: 0;
}
.modal-header button {
    width: 26px; height: 26px;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary); font-size: 14px;
    transition: all var(--fast);
}
.modal-header button:hover { background: var(--bg-secondary); color: var(--text-primary); }
.modal-body { overflow-y: auto; padding: 8px 16px 16px; }
.shortcut-table { width: 100%; border-collapse: collapse; }
.shortcut-table th {
    text-align: left; font-size: 11px; color: var(--text-tertiary);
    text-transform: uppercase; letter-spacing: .06em;
    padding: 4px 8px; border-bottom: 1px solid var(--border);
}
.shortcut-table td { padding: 5px 8px; font-size: 12px; color: var(--text-secondary); vertical-align: middle; }
.shortcut-table tr:hover td { background: rgba(255,255,255,.025); }
.shortcut-section td {
    font-size: 10px; font-weight: 700; color: var(--brand-accent);
    text-transform: uppercase; letter-spacing: .08em;
    padding: 10px 8px 3px;
    background: none !important;
}
kbd.shortcut-key {
    display: inline-block;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: 3px;
    padding: 1px 6px;
    font-family: monospace; font-size: 11px;
    color: var(--text-primary);
}

/* ── Measurements floating panel ─────────────────────────── */
.measures-panel {
    position: fixed; z-index: 900;
    background: var(--bg-app);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    width: 310px; max-height: 460px;
    display: flex; flex-direction: column;
    box-shadow: 0 4px 24px rgba(0,0,0,0.45);
    overflow: hidden;
}
.mp-header {
    display: flex; align-items: center; gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.mp-title {
    font-size: 11px; font-weight: 700;
    color: var(--text-secondary); text-transform: uppercase; letter-spacing: .06em;
    flex: 1;
}
.mp-header-btn {
    padding: 2px 6px; border-radius: var(--radius-sm);
    font-size: 11px; color: var(--text-tertiary);
    transition: all var(--fast);
}
.mp-header-btn:hover { background: var(--bg-secondary); color: var(--text-primary); }
.mp-body { flex: 1; overflow-y: auto; }
.mp-empty { padding: 24px 16px; text-align: center; color: var(--text-tertiary); font-size: 12px; }
.mp-slice-header {
    padding: 5px 12px;
    font-size: 10px; font-weight: 700;
    color: var(--text-tertiary); text-transform: uppercase; letter-spacing: .06em;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    cursor: pointer;
    transition: background var(--fast);
}
.mp-slice-header:first-child { border-top: none; }
.mp-slice-header:hover { background: var(--bg-hover); }
.mp-row {
    display: flex; align-items: center; gap: 7px;
    padding: 5px 10px 5px 14px;
    transition: background var(--fast);
}
.mp-row:hover { background: var(--bg-secondary); }
.mp-badge { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.mp-type { font-size: 10px; color: var(--text-tertiary); min-width: 46px; }
.mp-value {
    flex: 1; font-size: 12px; color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.mp-actions { display: flex; gap: 2px; flex-shrink: 0; }
.mp-btn {
    width: 20px; height: 20px; border-radius: var(--radius-sm);
    font-size: 11px; color: var(--text-tertiary);
    display: flex; align-items: center; justify-content: center;
    transition: all var(--fast);
}
.mp-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.mp-btn.delete:hover { color: var(--error); }
.mp-footer {
    padding: 7px 10px; border-top: 1px solid var(--border);
    display: flex; gap: 6px; flex-shrink: 0;
}
.mp-footer-btn {
    flex: 1; padding: 5px; font-size: 11px;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary); color: var(--text-secondary);
    transition: all var(--fast); text-align: center; cursor: pointer;
}
.mp-footer-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.mp-footer-btn.danger:hover { background: rgba(239,68,68,.15); color: var(--error); }

/* ── Volumetría ───────────────────────────────────────────── */
.mp-vol-section {
    border-top: 1px solid var(--border-strong);
    padding: 10px 12px 12px;
    margin-top: 4px;
}
.mp-vol-title {
    font-size: 9px; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--brand-accent); opacity: 0.8;
    margin-bottom: 6px;
}
.mp-vol-rows { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.mp-vol-row {
    display: flex; align-items: center; gap: 7px;
    padding: 3px 4px; border-radius: var(--radius-sm);
    cursor: pointer; font-size: 11px; color: var(--text-secondary);
    transition: background var(--fast); user-select: none;
}
.mp-vol-row:hover { background: var(--bg-secondary); }
.mp-vol-row input[type="checkbox"] { accent-color: var(--brand-accent); flex-shrink: 0; }
.mp-vol-slice { flex: 1; }
.mp-vol-area  { color: var(--text-tertiary); font-size: 10px; }
.mp-vol-btn {
    width: 100%; padding: 6px 0; font-size: 11px; font-weight: 600;
    background: rgba(120,218,171,0.12); color: var(--brand-accent);
    border: 1px solid rgba(120,218,171,0.25); border-radius: var(--radius-sm);
    cursor: pointer; transition: all var(--fast);
}
.mp-vol-btn:hover { background: rgba(120,218,171,0.22); }
.mp-vol-result {
    margin-top: 8px; padding: 8px 10px;
    background: var(--bg-secondary); border-radius: var(--radius-sm);
    display: flex; flex-direction: column; gap: 2px; text-align: center;
}
.mp-vol-result.hidden { display: none; }
.mp-vol-main  { font-size: 18px; font-weight: 700; color: var(--brand-accent); line-height: 1; }
.mp-vol-sub   { font-size: 10px; color: var(--text-tertiary); margin-top: 2px; }
.mp-vol-abc2  { font-size: 10px; color: var(--text-secondary); margin-top: 4px;
                 border-top: 1px solid var(--border); padding-top: 4px; }

/* ── Notas clínicas por slice ─────────────────────────────── */
.mp-note-area {
    margin: 4px 8px 10px;
}
.mp-note-textarea {
    width: 100%; min-height: 58px; max-height: 180px;
    resize: vertical; box-sizing: border-box;
    background: var(--bg-tertiary, #1a2030); color: var(--text-primary);
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 6px 8px; font-size: 12px; font-family: inherit; line-height: 1.45;
}
.mp-note-textarea:focus {
    outline: none; border-color: var(--brand-accent);
}
.mp-note-textarea::placeholder { color: var(--text-tertiary); }
.mp-note-footer {
    display: flex; justify-content: space-between; align-items: center;
    margin-top: 3px;
}
.mp-note-counter { font-size: 10px; color: var(--text-tertiary); }
.mp-note-clear {
    background: none; border: none; padding: 0;
    font-size: 10px; color: #e05858; cursor: pointer;
}
.mp-note-clear:hover { text-decoration: underline; }
.mp-note-badge { font-size: 11px; margin-left: 4px; vertical-align: middle; }

/* ── Loupe — Ventana Flotante ─────────────────────────────── */
/* Oculto por cambio de layout (independiente de las preferencias del personalizador) */
#btnLoupe.layout-hidden { display: none !important; }

.loupe-canvas {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    pointer-events: none;
    z-index: 2;
}
.loupe-frame {
    position: absolute;
    width: 300px;
    min-height: 200px;
    border: 2px solid var(--brand-accent, #4a9d78);
    border-radius: 6px;
    z-index: 4;
    box-shadow: 0 4px 20px rgba(0,0,0,0.6);
    overflow: visible;
    background: transparent;
}
.loupe-header {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 30px;
    padding: 0 6px;
    background: rgba(20,20,20,0.90);
    border-radius: 4px 4px 0 0;
    cursor: grab;
    user-select: none;
    border-bottom: 1px solid var(--brand-accent, #4a9d78);
}
.loupe-header:active { cursor: grabbing; }
.loupe-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-accent, #4a9d78);
    flex-shrink: 0;
    margin-right: 2px;
}
.loupe-select {
    flex: 1;
    min-width: 0;
    height: 20px;
    font-size: 10px;
    background: rgba(40,40,40,0.9);
    color: #ddd;
    border: 1px solid #555;
    border-radius: 3px;
    padding: 0 2px;
}
.loupe-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: #888;
    font-size: 13px;
    cursor: pointer;
    padding: 0 2px;
    line-height: 1;
}
.loupe-close:hover { color: #f55; }
.loupe-zoom-bar {
    display: flex;
    align-items: center;
    gap: 5px;
    height: 22px;
    padding: 0 6px;
    background: rgba(15,15,15,0.88);
    border-bottom: 1px solid #333;
    cursor: grab;
    user-select: none;
}
.loupe-zoom-bar:active { cursor: grabbing; }
.loupe-zoom-label {
    font-size: 10px;
    color: #aaa;
    flex-shrink: 0;
}
.loupe-zoom-slider {
    flex: 1;
    height: 4px;
    cursor: pointer;
    accent-color: var(--brand-accent, #4a9d78);
}
.loupe-zoom-value {
    font-size: 10px;
    color: #ddd;
    width: 28px;
    text-align: right;
    flex-shrink: 0;
}
/* Área de imagen arrastrable — div transparente sobre el área de imagen */
.loupe-img-drag {
    position: absolute;
    top: 52px;    /* _HEADER_H */
    left: 0; right: 0;
    bottom: 28px; /* _FOOTER_H */
    cursor: grab;
    z-index: 1;
}
.loupe-img-drag:active { cursor: grabbing; }

/* Crosshair central — solo visible cuando probe está activo */
.loupe-crosshair {
    position: absolute;
    top: 52px;    /* HEADER_H */
    left: 0; right: 0;
    bottom: 28px; /* FOOTER_H */
    pointer-events: none;
    display: none;
}
.loupe-crosshair.visible { display: block; }
.loupe-crosshair::before,
.loupe-crosshair::after {
    content: '';
    position: absolute;
    background: rgba(255, 215, 0, 0.85);
}
/* Línea horizontal */
.loupe-crosshair::before {
    top: 50%;
    left: calc(50% - 10px);
    width: 20px;
    height: 1px;
    transform: translateY(-50%);
}
/* Línea vertical */
.loupe-crosshair::after {
    left: 50%;
    top: calc(50% - 10px);
    height: 20px;
    width: 1px;
    transform: translateX(-50%);
}
/* Barra inferior con probe */
.loupe-bottom-bar {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 28px;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 6px;
    background: rgba(20,20,20,0.90);
    border-top: 1px solid #333;
    border-radius: 0 0 4px 4px;
}
.loupe-probe-btn {
    flex-shrink: 0;
    background: rgba(50,50,50,0.9);
    border: 1px solid #555;
    border-radius: 3px;
    color: #bbb;
    font-size: 14px;
    width: 22px; height: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}
.loupe-probe-btn:hover  { border-color: var(--brand-accent, #4a9d78); color: #fff; }
.loupe-probe-btn.active { background: var(--brand-accent, #4a9d78); color: #000; border-color: var(--brand-accent, #4a9d78); }
.loupe-hu-value {
    font-size: 11px;
    font-weight: 600;
    color: #FFD700;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

/* ── Histogram panel ──────────────────────────────────────── */
.histogram-panel {
    position: fixed; z-index: 900;
    background: var(--bg-app);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    width: 300px;
    display: flex; flex-direction: column;
    box-shadow: 0 4px 24px rgba(0,0,0,0.45);
    overflow: hidden;
}
.hp-header {
    display: flex; align-items: center; padding: 8px 10px;
    border-bottom: 1px solid var(--border); flex-shrink: 0;
}
.hp-title {
    flex: 1; font-size: 11px; font-weight: 700;
    color: var(--text-secondary); text-transform: uppercase; letter-spacing: .06em;
}
.hist-canvas {
    width: 100%; height: 160px; display: block;
    cursor: ew-resize;
    background: #0a1020;
}
.hp-hint {
    padding: 5px 10px; font-size: 10px;
    color: var(--text-tertiary); text-align: center;
    border-top: 1px solid var(--border); flex-shrink: 0;
}

/* ── Case Library Modal ─────────────────────────────────── */
.cl-modal {
    width: min(680px, 96vw);
    max-height: 82vh;
    display: flex; flex-direction: column;
}
.cl-header {
    display: flex; align-items: center; gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.cl-title {
    font-size: 13px; font-weight: 700;
    color: var(--text-primary); white-space: nowrap;
}
.cl-search-wrap { flex: 1; }
.cl-search-wrap input {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 13px; padding: 6px 10px;
    outline: none;
    transition: border-color var(--fast);
}
.cl-search-wrap input:focus { border-color: var(--brand-accent); }

.cl-body {
    flex: 1; overflow-y: auto;
    padding: 4px 0;
    min-height: 220px;
}
.cl-empty {
    padding: 48px 24px; text-align: center;
    color: var(--text-tertiary); font-size: 13px;
    line-height: 1.6;
}
.cl-case {
    display: flex; align-items: center;
    padding: 9px 14px; gap: 12px;
    border-bottom: 1px solid var(--border);
    cursor: default;
    transition: background var(--fast);
}
.cl-case:last-child { border-bottom: none; }
.cl-case:hover { background: var(--bg-secondary); }
.cl-case-info { flex: 1; min-width: 0; }
.cl-case-name {
    font-size: 13px; font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cl-case-type {
    display: inline-block;
    margin-top: 3px;
    font-size: 10px; font-weight: 600; letter-spacing: 0.05em;
    color: var(--brand-accent);
    background: rgba(120,218,171,0.1);
    border: 1px solid rgba(120,218,171,0.2);
    border-radius: 3px;
    padding: 1px 6px;
    max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cl-case-meta {
    font-size: 11px; color: var(--text-tertiary); margin-top: 3px;
}
.cl-case-open {
    flex-shrink: 0;
    padding: 5px 14px;
    background: var(--brand-accent); color: #0b1120;
    border-radius: var(--radius-sm);
    font-size: 12px; font-weight: 700;
    transition: opacity var(--fast);
}
.cl-case-open:hover { opacity: 0.85; }

/* ── Label de diagnóstico por caso ───────────────────── */
.cl-case-label-row {
    display: flex; align-items: center; gap: 5px;
    margin-top: 4px;
    min-height: 18px;
}
.cl-case-label {
    flex: 1;
    font-size: 11px;
    color: var(--brand-accent);
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cl-case-label--empty .cl-label-placeholder {
    color: var(--text-tertiary);
    font-style: italic;
}
.cl-label-edit {
    flex-shrink: 0;
    background: none; border: none;
    color: var(--text-tertiary);
    font-size: 12px; cursor: pointer;
    padding: 0 2px; line-height: 1;
    opacity: 0;
    transition: opacity var(--fast), color var(--fast);
}
.cl-case:hover .cl-label-edit { opacity: 1; }
.cl-label-edit:hover { color: var(--brand-accent); }
.cl-label-input {
    flex: 1;
    background: rgba(40,40,40,0.95);
    color: var(--text-primary);
    border: 1px solid var(--brand-accent);
    border-radius: var(--radius-sm);
    font-size: 11px; padding: 2px 6px;
    height: 20px; outline: none;
}
.cl-label-save {
    flex-shrink: 0;
    background: var(--brand-accent); color: #0b1120;
    border: none; border-radius: var(--radius-sm);
    font-size: 11px; font-weight: 700;
    padding: 1px 7px; height: 20px; cursor: pointer;
}
.cl-label-save:hover { opacity: 0.85; }

.cl-footer {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 12px;
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.cl-count {
    margin-left: auto;
    font-size: 11px; color: var(--text-tertiary);
}

/* Barra de progreso durante indexación */
.cl-progress { padding: 40px 24px; text-align: center; }
.cl-progress-msg {
    color: var(--text-secondary); font-size: 13px; margin-bottom: 16px;
}
.cl-progress-bar {
    height: 4px; border-radius: 99px;
    background: var(--bg-tertiary); overflow: hidden;
}
.cl-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-accent-dark), var(--brand-accent));
    transition: width 0.12s ease;
}

/* Mobile: modal pantalla completa */
@media (max-width: 599px) {
    .cl-modal { width: 100vw; max-height: 100dvh; border-radius: 0; }
}