assets/style.css

:root {
    --bg: #f6f8fb;
    --bg-soft: rgba(245, 247, 250, 0.9);
    --panel: #ffffff;
    --panel-strong: #f8fafc;
    --border: rgba(15, 23, 42, 0.06);
    --text: #0b1220;
    --text-soft: #4b5563;
    --accent: #2563eb;
    --accent-strong: #1e40af;
    --shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
}

html,
body {
    margin: 0;
    min-height: 100%;
    background: linear-gradient(180deg, var(--bg) 0%, #ffffff 100%);
    color: var(--text);
    font-family: "Inter", "DM Sans", "Segoe UI", sans-serif;
}

.app-shell {
    position: relative;
    max-width: 1480px;
    margin: 0 auto;
    padding: 40px 24px 56px;
}

.page-back-nav {
    position: absolute;
    top: 12px;
    left: 24px;
    z-index: 30;
    margin: 0;
}

.back-link {
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-soft);
    text-decoration: none;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 999px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
    transition: color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}

.back-link:hover {
    color: var(--accent);
    border-color: rgba(37, 99, 235, 0.28);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.1);
}

.hero-card,
.form-card,
.mock-card,
.placeholder-card {
    background: var(--panel);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 14px;
    white-space: pre-wrap;
}

.hero-card {
    padding: 28px 30px 24px;
    margin-bottom: 22px;
}

.home-deploy-warning {
    margin-bottom: 18px;
    padding: 14px 18px;
    border-radius: 12px;
    border: 1px solid rgba(180, 83, 9, 0.28);
    background: linear-gradient(180deg, #fffbeb 0%, #fef3c7 100%);
    box-shadow: 0 8px 24px rgba(180, 83, 9, 0.08);
}

.home-deploy-warning-title {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: #b45309;
    margin-bottom: 6px;
}

.home-deploy-warning-text {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.5;
    color: #78350f;
}

.home-deploy-warning-link,
.home-deploy-warning-em {
    font-weight: 600;
    color: #92400e;
}

.home-deploy-warning-link {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.home-deploy-warning-link:hover {
    color: #b45309;
}

.page-back-nav+.hero-card {
    padding-top: 48px;
}

.app-kicker {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent);
    margin-bottom: 10px;
}

.app-title {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.45rem);
    line-height: 0.98;
    letter-spacing: -0.04em;
}

.home-grid,
.mock-grid {
    display: grid;
    gap: 18px;
}

.home-grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(280px, 0.9fr);
    align-items: start;
}

.mock-grid {
    grid-template-columns: minmax(260px, 0.7fr) minmax(0, 1.3fr);
    align-items: start;
}

.form-card,
.info-card,
.mock-card,
.placeholder-card {
    padding: 24px;
}

.form-block {
    margin-bottom: 18px;
}

.section-label,
.panel-label,
.preview-label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-soft);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.16em;
}

.metric-switch {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.metric-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 110px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid rgba(37, 99, 235, 0.12);
    background: rgba(37, 99, 235, 0.06);
    color: var(--text);
    cursor: pointer;
    transition: transform 120ms ease, border-color 120ms ease, color 120ms ease, background 120ms ease;
}

.metric-pill:hover {
    transform: translateY(-1px);
    border-color: rgba(125, 211, 252, 0.36);
}

.metric-descriptions {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.metric-desc-block {
    margin-top: 2px;
}

.metric-desc-name {
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.02em;
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.metric-desc-text {
    margin: 0 0 8px;
    font-size: 0.88rem;
    line-height: 1.45;
    color: var(--text-soft);
}

.metric-desc-text:last-child {
    margin-bottom: 0;
}

.dash-dropdown .Select-control,
.dash-dropdown .Select-menu-outer,
.dash-dropdown .VirtualizedSelectOption,
.dash-dropdown .Select-value-label,
.dash-dropdown .Select-placeholder {
    background-color: transparent !important;
    color: var(--text) !important;
    border-color: var(--border) !important;
}

.dash-dropdown .Select-control {
    min-height: 58px;
    border-radius: 16px !important;
}

.dash-dropdown .Select-input>input {
    color: var(--text) !important;
}

.model-dropdown .Select-menu-outer {
    padding: 8px 0;
}

/* Model option label classes (moved from inline styles in Python) */
.dash-dropdown .model-option {
    padding: 0.15rem 0;
}

.dash-dropdown .model-option-exp {
    font-size: 1.05rem;
    font-weight: 300;
    line-height: 1.1;
    color: var(--text) !important;
    letter-spacing: 0.01em;
}

.dash-dropdown .model-option-meta {
    font-size: 0.78rem;
    color: var(--text-soft) !important;
    margin-top: 0.2rem;
    line-height: 1.2;
}

.selection-preview {
    margin: 16px 0 18px;
    padding: 14px 16px;
    border-radius: 12px;
    background: var(--panel-strong);
    border: 1px solid rgba(15, 23, 42, 0.04);
}

.preview-value {
    white-space: pre-wrap;
}

.preview-value,
.home-status,
.mock-summary-meta,
.mock-placeholder {
    color: var(--text-soft);
}

.preview-value {
    font-size: 0.95rem;
    line-height: 1.45;
}

.action-row {
    display: flex;
    align-items: center;
    gap: 14px;
}

.confirm-button {
    border: 0;
    border-radius: 999px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #ffffff;
    font-weight: 700;
    cursor: pointer;
    letter-spacing: 0.02em;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.12);
    text-decoration: none;
}

.confirm-button:hover,
.confirm-button:visited,
.confirm-button:focus {
    color: #ffffff;
    text-decoration: none;
}

.confirm-button:hover {
    transform: translateY(-1px);
}

.confirm-button:disabled {
    opacity: 0.65;
    cursor: wait;
    transform: none;
}

/* Upload area styled like a button */
.upload-card {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 18px 18px 14px;
    border-radius: 12px;
    border: 1px dashed var(--border);
    background: var(--panel-strong);
    cursor: pointer;
    transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.upload-card:hover {
    transform: translateY(-2px);
    border-color: rgba(37, 99, 235, 0.2);
    background: rgba(37, 99, 235, 0.03);
}

.upload-card a {
    display: inline-block;
    padding: 8px 14px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
}

.upload-card a:hover {
    filter: brightness(0.95);
}

.upload-help {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 8px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent-strong);
    font-size: 0.68rem;
    font-weight: 800;
    line-height: 1;
    border: 1px solid rgba(37, 99, 235, 0.2);
    cursor: help;
    user-select: none;
    white-space: nowrap;
}

.upload-help:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 2;
    min-width: 220px;
    max-width: 280px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.35;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.2);
    white-space: normal;
    text-align: left;
    pointer-events: none;
}

.upload-help:hover::before {
    content: "";
    position: absolute;
    top: calc(100% + 2px);
    right: 14px;
    border: 6px solid transparent;
    border-bottom-color: rgba(15, 23, 42, 0.95);
    pointer-events: none;
}

/* Ensure the feature overlay image is left-aligned rather than centered */
#fm-overlay-img {
    display: block;
    margin: 0 auto;
    /* center horizontally */
    width: auto;
    max-width: 720px;
}

.home-nav-loading {
    min-height: 52px;
}

.home-status.is-loading::before {
    content: "Loading";
    display: inline-block;
    margin-right: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent-strong);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.page-transition-loading {
    position: relative;
    min-height: 55vh;
}

.page-transition-loading>._dash-loading-callback {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-height: 55vh;
}

.skeleton-line {
    height: 0.9rem;
    margin-bottom: 8px;
    border-radius: 6px;
    background: rgba(15, 23, 42, 0.07);
}

.skeleton-line-short {
    width: 55%;
}

.viz-model-info-loading {
    min-height: 88px;
}

.umap-graph-loading {
    flex: 1 1 auto;
    min-height: 430px;
    overflow: visible;
}

.feature-detail-body-loading {
    min-height: 140px;
}

.info-list {
    margin: 0;
    padding-left: 18px;
    color: var(--text-soft);
    line-height: 1.6;
}

.mock-summary-lines {
    display: grid;
    gap: 8px;
    margin: 10px 0 14px;
    color: var(--text);
    line-height: 1.5;
}

.mock-summary-hyperparams {
    font-size: 0.96rem;
    line-height: 1.55;
    color: var(--text-soft);
    white-space: pre-wrap;
}

.viz-summary-divider {
    margin: 14px 0 12px;
    border: 0;
    border-top: 1px solid var(--border);
}

.viz-sae-card,
.viz-umap-card {
    position: relative;
}

.viz-sae-help-wrap,
.viz-umap-help-wrap {
    position: absolute;
    top: 22px;
    right: 22px;
    z-index: 3;
}

.viz-sae-help-wrap .viz-sae-help-trigger {
    position: relative;
    top: auto;
    right: auto;
}

.viz-sae-help-popover {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    z-index: 4;
    min-width: 260px;
    max-width: 340px;
    padding: 12px 14px;
    border-radius: 12px;
    background: rgba(15, 23, 42, 0.95);
    color: #ffffff;
    font-size: 0.86rem;
    line-height: 1.45;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.2);
}

.viz-sae-help-wrap:hover .viz-sae-help-popover,
.viz-sae-help-wrap:focus-within .viz-sae-help-popover {
    display: block;
}

.viz-sae-help-popover::before {
    content: "";
    position: absolute;
    top: -6px;
    right: 14px;
    border: 6px solid transparent;
    border-bottom-color: rgba(15, 23, 42, 0.95);
}

.viz-help-popover-title {
    margin-bottom: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.viz-help-popover-lead {
    margin-bottom: 8px;
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.viz-help-popover-subtitle {
    margin: 10px 0 6px;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
}

.viz-umap-help-popover {
    min-width: 280px;
    max-width: 400px;
}

.viz-sae-help-popover .help-desc-line {
    margin-bottom: 6px;
}

.viz-sae-help-popover .help-desc-line:last-child {
    margin-bottom: 0;
}

.viz-sae-help-popover strong,
.viz-sae-help-popover .help-desc-line strong {
    font-weight: 700;
    color: #ffffff;
}

.viz-sae-help-popover .help-desc {
    font-weight: 400;
    color: rgba(255, 255, 255, 0.82);
}

.help-desc {
    font-weight: 400;
    color: var(--text-soft);
}

.viz-filter-intro strong,
.viz-filter-intro-list strong,
.viz-filter-line strong {
    font-weight: 600;
    color: var(--text);
}

.viz-filter-intro {
    margin-bottom: 12px;
    font-size: 0.98rem;
    line-height: 1.55;
    color: var(--text-soft);
}

.viz-filter-intro-lead {
    margin: 0 0 8px;
}

.viz-filter-intro-list {
    margin: 0 0 10px;
    padding-left: 1.15rem;
}

.viz-filter-intro-list li {
    margin-bottom: 6px;
}

.viz-filter-summary {
    display: grid;
    gap: 8px;
    font-size: 0.98rem;
    line-height: 1.55;
}

.viz-filter-line {
    margin: 0;
    color: var(--text);
}

.mock-placeholder {
    margin-top: 14px;
    padding: 14px;
    border-radius: 12px;
    border: 1px dashed rgba(15, 23, 42, 0.06);
    background: var(--panel-strong);
    min-height: 500px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-panel {
    display: grid;
    gap: 14px;
    margin-top: 18px;
    padding: 18px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(248, 250, 252, 0.98));
    border: 1px solid rgba(37, 99, 235, 0.08);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.feature-workbench {
    display: grid;
    gap: 14px;
    margin-top: 18px;
    width: 100%;
}

.feature-workbench-title-row {
    position: relative;
    padding-right: 40px;
}

.feature-workbench-title-row .panel-label {
    margin-bottom: 0;
}

.viz-feature-workbench-help-wrap {
    top: 0;
    right: 0;
}

.viz-feature-workbench-help-popover {
    min-width: 280px;
    max-width: 400px;
}

.feature-workbench-header {
    display: grid;
    gap: 10px;
}

.feature-workbench-toolbar {
    display: grid;
    grid-template-columns: minmax(220px, 1.35fr) minmax(280px, 1.15fr) minmax(170px, 0.75fr);
    gap: 14px;
    align-items: end;
}

.feature-workbench-controls {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.95));
    border: 1px solid rgba(37, 99, 235, 0.08);
    box-shadow: var(--shadow);
    min-width: 0;
}

.feature-workbench-controls .section-label {
    margin-bottom: 8px;
}

.feature-workbench-controls-sort .dash-dropdown,
.feature-workbench-controls-ranking .dash-dropdown {
    width: 100%;
}

.feature-nav-row {
    display: grid;
    grid-template-columns: auto minmax(180px, 1fr) auto;
    gap: 10px;
    align-items: center;
}

.nav-button {
    border: 1px solid rgba(37, 99, 235, 0.16);
    border-radius: 999px;
    padding: 10px 16px;
    background: #ffffff;
    color: var(--accent-strong);
    font-weight: 700;
    cursor: pointer;
    transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.nav-button:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, 0.34);
    background: rgba(37, 99, 235, 0.04);
}

.feature-jump-input .Select-control,
input.feature-jump-input,
.feature-jump-input input {
    min-height: 42px;
}

/* Hide +/- steppers in feature id number input (browser-native spinners). */
input.feature-jump-input[type="number"],
.feature-jump-input input[type="number"] {
    -moz-appearance: textfield;
    appearance: textfield;
}

input.feature-jump-input[type="number"]::-webkit-outer-spin-button,
input.feature-jump-input[type="number"]::-webkit-inner-spin-button,
.feature-jump-input input[type="number"]::-webkit-outer-spin-button,
.feature-jump-input input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.baseline-grid {
    display: grid;
    /* allow more columns so the baseline box appears more horizontal */
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 12px;
    margin-top: 6px;
}

/* Page-specific helper to vertically stack the input card above overlay controls */
.mock-grid-vertical {
    grid-template-columns: 1fr;
}

.baseline-thumb {
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(248, 250, 252, 0.8);
    border-radius: 14px;
    padding: 10px;
    cursor: pointer;
    text-align: left;
    transition: transform 120ms ease, border-color 120ms ease, background 120ms ease;
}

.baseline-thumb:hover {
    transform: translateY(-1px);
    border-color: rgba(37, 99, 235, 0.25);
    background: rgba(37, 99, 235, 0.06);
}

.baseline-thumb-img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    background: #ffffff;
    display: block;
}

.baseline-thumb-meta {
    margin-top: 8px;
    display: grid;
    gap: 4px;
}

.baseline-thumb-label {
    font-size: 0.82rem;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.baseline-thumb-badge {
    font-size: 0.72rem;
    color: var(--text-soft);
}

.feature-status {
    min-height: 20px;
    color: var(--text-soft);
    font-size: 0.92rem;
}

.feature-detail-card {
    display: grid;
    gap: 14px;
    min-height: 420px;
    padding: 20px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.06), rgba(255, 255, 255, 0.98) 42%);
    border: 1px solid rgba(37, 99, 235, 0.1);
}

.feature-detail-hero {
    display: grid;
    gap: 6px;
}

.feature-detail-hero-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.feature-image-ranking-dropdown {
    width: 100%;
}

.feature-detail-kicker,
.feature-placeholder-title {
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
}

.feature-detail-number {
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
    font-weight: 800;
}

.feature-detail-subtitle {
    color: var(--text-soft);
    font-size: 0.98rem;
}

.feature-placeholder {
    display: grid;
    gap: 8px;
    min-height: 124px;
    padding: 16px;
    border-radius: 16px;
    border: 1px dashed rgba(37, 99, 235, 0.18);
    background: rgba(255, 255, 255, 0.7);
}

.feature-placeholder-copy,
.feature-empty {
    color: var(--text-soft);
    line-height: 1.5;
}

.feature-comparison-block {
    display: grid;
    gap: 12px;
}

.feature-comparison-title {
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.72rem;
}

.feature-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 12px;
}

/* Top images grid */
.feature-top-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    align-items: start;
}

.feature-top-images-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.feature-heatmap-toggle {
    margin: 0;
}

.feature-heatmap-toggle-label {
    color: var(--text-soft);
}

.feature-heatmap-toggle-input {
    margin: 0 10px 0 0;
    cursor: pointer;
}

.feature-image-card {
    position: relative;
    border-radius: 12px;
    overflow: visible;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.06);
}

.feature-image-card img,
.feature-image-card .heatmap-graph {
    width: 100%;
    display: block;
}

.feature-image-card .heatmap-graph {
    min-height: 0;
}

.feature-image-card .js-plotly-plot {
    width: 100% !important;
    border-radius: 12px;
}

.feature-image-card .heatmap-graph .legend,
.fm-overlay-graph .legend {
    pointer-events: none !important;
    cursor: default !important;
}

.feature-image-card .heatmap-graph .legend .legendtext,
.feature-image-card .heatmap-graph .legend .legendtoggle,
.fm-overlay-graph .legend .legendtext,
.fm-overlay-graph .legend .legendtoggle {
    cursor: default !important;
}

.fm-overlay-graph {
    display: block;
    width: fit-content;
    max-width: 100%;
    margin: 0 auto;
    border: none;
    border-radius: 8px;
    overflow: hidden;
    background: transparent;
}

.fm-overlay-graph .js-plotly-plot {
    width: auto !important;
    border-radius: 8px;
}

.feature-image-caption {
    padding: 6px 8px;
    font-size: 0.82rem;
    color: var(--text-soft);
}

.feature-image-caption:empty {
    display: none;
}

.comparison-card {
    display: grid;
    gap: 8px;
    min-height: 110px;
    padding: 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(15, 23, 42, 0.07);
    background: rgba(255, 255, 255, 0.88);
}

.comparison-card-active {
    border-color: rgba(37, 99, 235, 0.3);
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.09), rgba(255, 255, 255, 0.96));
}

.comparison-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.comparison-selector-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
}

.comparison-score {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.comparison-rank {
    color: var(--text-soft);
    font-size: 0.88rem;
}

.umap-controls {
    display: grid;
    gap: 14px;
    margin-bottom: 12px;
}

.umap-mode-primary {
    display: grid;
    gap: 10px;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--panel-strong);
}

.umap-mode-label {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--accent-strong);
    font-weight: 700;
}

.umap-mode-switch {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.umap-mode-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: #fff;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.umap-mode-input {
    accent-color: var(--accent);
}

.umap-mode-pill:has(.umap-mode-input:checked) {
    border-color: rgba(37, 99, 235, 0.35);
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent-strong);
}

.umap-controls-secondary {
    padding-left: 2px;
}

.umap-controls-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 16px 20px;
}

.umap-control-block {
    display: grid;
    gap: 6px;
    min-width: 180px;
    flex: 1 1 180px;
}

.umap-features-color-fixed {
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--panel-strong);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--accent-strong);
}

.umap-status {
    margin-bottom: 10px;
    font-size: 0.82rem;
    color: var(--text-soft);
    line-height: 1.4;
}

.umap-status.is-loading::before {
    content: "Updating UMAP…";
    display: inline-block;
    margin-right: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent-strong);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.umap-hover-shell {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
    overflow: visible;
}

.umap-dash-tooltip {
    max-width: min(280px, calc(100vw - 24px));
    pointer-events: none;
}

.loading-block {
    width: 100%;
}

.feature-detail-loading {
    min-height: 220px;
}

.feature-images-loading {
    min-height: 180px;
}

#feature-top-images[data-dash-is-loading="true"]::before {
    content: "Loading...";
    display: inline-block;
    margin-bottom: 10px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(37, 99, 235, 0.12);
    color: var(--accent-strong);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

#feature-top-images[data-dash-is-loading="true"]::before {
    content: "Loading top images...";
}

.umap-graph {
    flex: 1 1 auto;
    min-height: 430px;
    overflow: hidden;
}

.umap-graph .js-plotly-plot,
.umap-graph .plot-container,
.umap-graph .svg-container {
    height: 100% !important;
}

@media (max-width: 980px) {

    .home-grid,
    .mock-grid {
        grid-template-columns: 1fr;
    }

    .app-shell {
        padding: 24px 14px 42px;
    }

    .page-back-nav {
        top: 8px;
        left: 14px;
    }

    .feature-stat-grid {
        grid-template-columns: 1fr 1fr;
    }

    .feature-nav-row {
        grid-template-columns: 1fr;
    }

    .feature-workbench-toolbar {
        grid-template-columns: 1fr;
        align-items: stretch;
    }

    .mock-placeholder {
        min-height: 420px;
    }

    .umap-graph {
        min-height: 360px;
    }
}