:root {
    --feature-blue: #2563eb;
    --feature-blue-dark: #1d4ed8;
    --feature-cyan: #06b6d4;
    --feature-green: #16a34a;
    --feature-orange: #f97316;
    --feature-purple: #7c3aed;
    --feature-red: #dc2626;
    --feature-ink: #0f172a;
    --feature-muted: #64748b;
    --feature-border: #dbeafe;
    --feature-card: #ffffff;
    --feature-bg: #f6f9ff;
}

.content-shell:has(> .feature-page) {
    width: min(var(--lab-shell-max), calc(100% - var(--lab-shell-gutter)));
}

.feature-page {
    display: grid;
    gap: 16px;
    color: var(--feature-ink);
}

.feature-page [hidden] {
    display: none !important;
}

.feature-panel,
.feature-hero,
.feature-tabs {
    border: 1px solid rgba(226, 232, 240, 0.95);
    border-radius: 18px;
    background: var(--feature-card);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.07);
}

.feature-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 18px 22px;
    background:
        radial-gradient(circle at 82% 18%, rgba(37, 99, 235, 0.12), transparent 28%),
        linear-gradient(135deg, #ffffff 0%, #f8fbff 58%, #eef5ff 100%);
}

.station-hero > div {
    min-width: 0;
}

.feature-hero h1 {
    margin: 5px 0 6px;
    color: var(--feature-ink);
    font-size: clamp(26px, 2.6vw, 36px);
    line-height: 1.12;
}

.feature-hero p {
    max-width: 900px;
    margin: 0;
    color: #475569;
    font-size: 14px;
    line-height: 1.6;
}

.feature-hero strong {
    flex: 0 0 auto;
    padding: 9px 14px;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    color: var(--feature-blue-dark);
    font-size: 13px;
    background: #eff6ff;
}

.station-badge {
    white-space: nowrap;
}

.section-label {
    color: var(--feature-blue-dark);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 12px;
    font-weight: 950;
}

.feature-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
}

.feature-tabs a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    border: 1px solid transparent;
    border-radius: 999px;
    padding: 0 16px;
    color: #475569;
    font-size: 13px;
    font-weight: 900;
    text-decoration: none;
}

.feature-tabs a:hover,
.feature-tabs a.is-active {
    border-color: #bfdbfe;
    color: var(--feature-blue-dark);
    background: #eff6ff;
}

.feature-layout {
    display: grid;
    grid-template-columns: 286px minmax(0, 1fr) minmax(300px, 340px);
    gap: 16px;
    align-items: start;
}

.feature-panel {
    min-width: 0;
    padding: 16px;
}

.feature-controls,
.feature-info {
    display: grid;
    gap: 14px;
    align-content: start;
    position: sticky;
    top: 18px;
}

.feature-controls h2,
.feature-info h2,
.feature-stage-head h2 {
    margin: 4px 0 0;
    color: var(--feature-ink);
    font-size: 22px;
}

.feature-controls label,
.feature-control-group label,
.feature-param-card label {
    display: grid;
    gap: 7px;
    color: #475569;
    font-size: 13px;
    font-weight: 850;
}

.feature-controls input,
.feature-controls select {
    width: 100%;
    min-height: 36px;
    border: 1px solid #cbd5e1;
    border-radius: 11px;
    padding: 0 10px;
    color: var(--feature-ink);
    background: #fff;
}

.feature-upload {
    min-height: 86px;
    padding: 15px;
    border: 2px dashed #bfdbfe;
    border-radius: 16px;
    cursor: pointer;
    background: #f8fbff;
}

.feature-upload input[type="file"] { display: none; }
.feature-upload span { color: var(--feature-blue-dark); font-size: 16px; font-weight: 950; }
.feature-upload small { color: var(--feature-muted); font-weight: 700; }

.feature-samples { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 7px; }
.feature-sample-btn { height: 46px; border: 2px solid #dbeafe; border-radius: 10px; padding: 3px; background: #fff; cursor: pointer; overflow: hidden; }
.feature-sample-btn.is-active { border-color: var(--feature-blue); }
.feature-sample-btn img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 7px; }

.feature-control-group,
.feature-compare-params { display: grid; gap: 11px; }
.feature-param-card { display: grid; gap: 9px; border: 1px solid #e2e8f0; border-radius: 16px; padding: 12px; background: #fbfdff; }
.feature-param-card strong { color: var(--feature-ink); }
.feature-compare-layout .feature-controls { gap: 10px; padding: 13px; }
.feature-compare-layout .feature-controls form { display: grid; gap: 8px; }
.feature-compare-layout .feature-upload { min-height: 68px; padding: 11px 13px; }
.feature-compare-layout .feature-sample-btn { height: 38px; }
.feature-compare-layout .feature-control-group,
.feature-compare-layout .feature-compare-params { gap: 7px; }
.feature-compare-layout .feature-param-card { gap: 6px; padding: 9px 10px; border-radius: 13px; }
.feature-compare-layout .feature-param-card label { gap: 4px; font-size: 12px; }
.feature-param-fold summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    cursor: pointer;
    list-style: none;
}
.feature-param-fold summary::-webkit-details-marker { display: none; }
.feature-param-fold summary::after {
    content: "+";
    flex: 0 0 auto;
    color: var(--feature-blue-dark);
    font-size: 18px;
    line-height: 1;
}
.feature-param-fold[open] summary::after { content: "−"; }
.feature-param-fold summary span { margin-left: auto; color: #94a3b8; font-size: 10px; font-weight: 800; }
.feature-param-fold[open] summary { margin-bottom: 3px; padding-bottom: 6px; border-bottom: 1px solid #e2e8f0; }
.feature-compare-layout .feature-controls input,
.feature-compare-layout .feature-controls select { min-height: 31px; border-radius: 9px; }
.feature-compare-layout .feature-primary { min-height: 36px; border-radius: 10px; }

.feature-primary,
.feature-secondary {
    min-height: 42px;
    border: 0;
    border-radius: 13px;
    padding: 0 16px;
    color: #fff;
    font-weight: 950;
    cursor: pointer;
    background: linear-gradient(135deg, var(--feature-blue), var(--feature-blue-dark));
    box-shadow: 0 12px 22px rgba(37, 99, 235, 0.22);
}

.feature-secondary { color: var(--feature-blue-dark); border: 1px solid #bfdbfe; background: #eff6ff; box-shadow: none; }

.feature-workspace { min-width: 0; display: grid; gap: 16px; }
.feature-stage { display: grid; gap: 15px; }
.feature-stage-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.status-pill { display: inline-flex; align-items: center; min-height: 30px; border-radius: 999px; padding: 0 11px; color: var(--feature-blue-dark); background: #eff6ff; border: 1px solid #bfdbfe; font-size: 12px; font-weight: 900; }

.feature-canvas-frame { min-height: 180px; border: 1px solid #dbeafe; border-radius: 16px; padding: 10px; background: #f8fbff; overflow: hidden; }
.feature-canvas-frame canvas { width: 100%; height: auto; display: block; border-radius: 12px; background: #0f172a; }
.feature-large-canvas canvas { min-height: 320px; }
.feature-match-frame canvas { min-height: 360px; }

.feature-result-grid { display: grid; gap: 12px; }
.feature-result-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.feature-result-grid-5 { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.feature-result-grid-analog { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.feature-result-grid article,
.feature-result-grid > button { border: 1px solid #dbeafe; border-radius: 16px; padding: 10px; background: #fbfdff; }
.feature-result-grid > button { position: relative; display: grid; grid-template-columns: minmax(72px, 44%) minmax(0, 1fr); gap: 10px; align-items: center; min-height: 112px; color: inherit; text-align: left; cursor: pointer; }
.feature-result-grid > button.is-left-selected { border-color: #3b82f6; box-shadow: inset 0 0 0 1px rgba(59, 130, 246, .65); }
.feature-result-grid > button.is-right-selected { border-color: #22c55e; background: linear-gradient(135deg, #fff, #f0fdf4); box-shadow: inset 0 0 0 1px rgba(34, 197, 94, .5); }
.feature-result-grid h3 { margin: 0 0 8px; color: var(--feature-blue-dark); }
.feature-result-grid canvas { width: 100%; height: 135px; border-radius: 12px; background: #111827; display: block; }
.feature-result-grid > button canvas { height: 88px; object-fit: cover; }
.feature-result-grid p { margin: 8px 0 0; color: var(--feature-muted); font-size: 12px; font-weight: 800; }
.feature-method-tag { display: inline-flex; padding: 3px 7px; border-radius: 999px; color: #1d4ed8; font-size: 10px; font-weight: 900; background: #eff6ff; }
.feature-compare-side-badge { position: absolute; top: 0; right: 0; display: none; place-items: center; width: 40px; height: 29px; border-radius: 0 15px 0 28px; color: #fff; font-size: 12px; font-weight: 950; }
.feature-result-grid > button.is-left-selected .feature-compare-side-badge { display: grid; background: #3b82f6; }
.feature-result-grid > button.is-right-selected .feature-compare-side-badge { display: grid; background: #22c55e; }

.feature-compare-status { min-height: 38px; padding: 10px 12px; border-radius: 12px; color: #475569; font-size: 13px; font-weight: 800; background: #f8fafc; }
.feature-compare-overlay { position: relative; height: clamp(260px, 28vw, 410px); min-height: 260px; overflow: hidden; border: 1px solid #dbeafe; border-radius: 16px; background: #f8fbff; }
.feature-compare-overlay canvas { width: 100%; height: 100%; display: block; object-fit: contain; background: #f8fbff; }
.feature-compare-overlay-legend { position: absolute; inset: 12px 12px auto; display: flex; justify-content: space-between; gap: 10px; pointer-events: none; }
.feature-compare-overlay-legend span { padding: 6px 10px; border-radius: 999px; color: #1e293b; font-size: 12px; font-weight: 950; background: rgba(255,255,255,.92); box-shadow: 0 8px 18px rgba(15,23,42,.1); }
.feature-compare-slider { position: relative; height: clamp(300px, 34vw, 480px); overflow: hidden; border: 1px solid #dbeafe; border-radius: 16px; background-color: #f8fafc; background-image: linear-gradient(45deg, #e8eef7 25%, transparent 25%), linear-gradient(-45deg, #e8eef7 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e8eef7 75%), linear-gradient(-45deg, transparent 75%, #e8eef7 75%); background-size: 28px 28px; background-position: 0 0, 0 14px, 14px -14px, -14px 0; }
.feature-compare-slider > img,
.feature-compare-slider-right { position: absolute; inset: 0; }
.feature-compare-slider img { width: 100%; height: 100%; display: block; object-fit: contain; }
.feature-compare-slider-right { overflow: hidden; clip-path: inset(0 0 0 50%); }
.feature-compare-slider input { position: absolute; inset: 0; z-index: 4; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; }
.feature-compare-slider-handle { position: absolute; z-index: 3; top: 0; bottom: 0; left: 50%; width: 3px; background: #2563eb; box-shadow: 0 0 0 1px rgba(255,255,255,.9); pointer-events: none; }
.feature-compare-slider-labels { position: absolute; z-index: 3; inset: 12px 12px auto; display: flex; justify-content: space-between; pointer-events: none; }
.feature-compare-slider-labels span { padding: 6px 10px; border-radius: 999px; color: #1e293b; font-size: 12px; font-weight: 950; background: rgba(255,255,255,.92); box-shadow: 0 8px 18px rgba(15,23,42,.08); }
.feature-compare-strip-head,
.feature-compare-insights-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; color: #64748b; font-size: 12px; font-weight: 800; }
.feature-compare-strip-head strong,
.feature-compare-insights-head strong { color: var(--feature-ink); font-size: 14px; }
.feature-compare-insights-card { display: grid; gap: 8px; padding: 11px 13px; border: 1px solid #dbeafe; border-radius: 16px; background: #fff; }
.feature-compare-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.feature-compare-detail-card { position: relative; display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 11px; align-items: stretch; min-height: 0; padding: 11px 12px; border: 1px solid #93c5fd; border-radius: 16px; background: linear-gradient(135deg, #fff, #f8fbff); }
.feature-compare-detail-card.is-right { border-color: #86efac; background: linear-gradient(135deg, #fff, #f0fdf4); }
.feature-compare-detail-visual { display: grid; gap: 6px; align-content: start; }
.feature-compare-detail-side { justify-self: start; padding: 4px 10px; border-radius: 999px; color: #fff; font-size: 11px; font-weight: 950; background: #3b82f6; }
.feature-compare-detail-card.is-right .feature-compare-detail-side { background: #22c55e; }
.feature-compare-detail-card img { width: 100%; height: 86px; object-fit: cover; border: 1px solid #dbeafe; border-radius: 10px; background: #f8fafc; align-self: start; }
.feature-compare-detail-copy { display: grid; gap: 6px; min-width: 0; }
.feature-compare-detail-copy header { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; }
.feature-compare-detail-copy h3 { margin: 0; color: var(--feature-ink); }
.feature-compare-detail-copy .feature-method-tag { flex: 0 0 auto; }
.feature-compare-detail-lines { display: grid; gap: 3px; }
.feature-compare-detail-lines p { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 6px; margin: 0; color: #52627a; font-size: 11px; line-height: 1.35; }
.feature-compare-detail-lines b { color: #1d4ed8; font-size: 11px; font-weight: 950; }
.feature-compare-detail-lines span { min-width: 0; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.feature-compare-detail-lines p:nth-child(-n+2) span { -webkit-line-clamp: 2; }
.feature-compare-detail-meta { display: grid; grid-template-columns: repeat(2, 1fr); border: 1px solid #bfdbfe; border-radius: 11px; overflow: hidden; }
.feature-compare-detail-meta span { display: grid; gap: 2px; padding: 6px 9px; color: #64748b; font-size: 10px; }
.feature-compare-detail-meta span + span { border-left: 1px solid #dbeafe; }
.feature-compare-detail-meta strong { color: var(--feature-ink); font-size: 11px; }
.feature-compare-hint { margin: 4px 0 0; color: #94a3b8; text-align: center; font-size: 11px; font-weight: 800; }

.feature-method-guide { display: grid; gap: 13px; padding: 14px; border: 1px solid #bfdbfe; border-radius: 16px; background: linear-gradient(145deg, #fff, #f8fbff); }
.feature-method-guide-plain {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.feature-method-guide header { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding-bottom: 9px; border-bottom: 1px solid #dbeafe; }
.feature-method-guide-plain header {
    padding: 0 0 8px;
}
.feature-method-guide h3 { margin: 0; color: var(--feature-ink); font-size: 20px; }
.feature-method-guide header span { padding: 4px 8px; border-radius: 999px; color: #1d4ed8; font-size: 10px; font-weight: 900; background: #eff6ff; }
.feature-method-guide-figure {
    display: grid;
    gap: 9px;
    margin: 0;
}
.feature-method-guide-figure img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.feature-method-guide-figure figcaption {
    margin: 0;
    color: #475569;
    font-size: 11px;
    line-height: 1.5;
    font-weight: 760;
}
.feature-method-guide-copy {
    display: grid;
    gap: 5px;
    color: #334155;
    font-size: 11px;
    line-height: 1.42;
}
.feature-method-guide-copy p {
    margin: 0;
}
.feature-method-guide-copy b {
    color: #0f172a;
    font-size: 11px;
    font-weight: 950;
}
.feature-method-guide-copy span {
    color: #475569;
    font-weight: 760;
}
.feature-method-guide b { color: #2563eb; font-size: 12px; }
.feature-method-guide p { margin: 4px 0 0; color: #475569; font-size: 12px; line-height: 1.6; }
.feature-method-guide dl { display: grid; grid-template-columns: 1fr 1fr; margin: 0; border: 1px solid #dbeafe; border-radius: 12px; overflow: hidden; }
.feature-method-guide dl div { display: grid; gap: 3px; padding: 9px 10px; }
.feature-method-guide dl div + div { border-left: 1px solid #dbeafe; }
.feature-method-guide dt { color: #64748b; font-size: 11px; font-weight: 800; }
.feature-method-guide dd { margin: 0; color: var(--feature-ink); font-size: 12px; font-weight: 900; }
.feature-compare-layout .feature-info #featureCompareMeta div {
    padding: 7px 9px;
    border-radius: 9px;
    font-size: 11px;
}
.feature-compare-layout .feature-info #featureCompareMeta strong {
    font-size: 11px;
}

.feature-note,
.feature-boundary {
    border: 1px solid #dbeafe;
    border-radius: 16px;
    padding: 13px;
    background: #f8fbff;
}
.feature-note b,
.feature-boundary b { display: block; margin-bottom: 6px; }
.feature-note p,
.feature-boundary p { margin: 0; color: #475569; line-height: 1.65; font-size: 13px; }
.feature-note.blue { border-color: #bfdbfe; background: #eff6ff; }
.feature-note.cyan { border-color: #a5f3fc; background: #ecfeff; }
.feature-note.green { border-color: #bbf7d0; background: #f0fdf4; }
.feature-note.orange { border-color: #fed7aa; background: #fff7ed; }
.feature-note.purple { border-color: #ddd6fe; background: #f5f3ff; }
.feature-boundary { border-color: #c7d2fe; background: #f8fafc; }

/* Compact styling for right-side info panel */
.feature-info .feature-note,
.feature-info .feature-boundary {
    padding: 10px 12px;
    border-radius: 12px;
}
.feature-info .feature-note b,
.feature-info .feature-boundary b {
    font-size: 12px;
    margin-bottom: 5px;
}
.feature-info .feature-note p {
    font-size: 11.5px;
    line-height: 1.5;
}
.feature-info .feature-latex-note .latex-formula {
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 8px;
}


.feature-step-canvases { display: grid; grid-template-columns: repeat(10, minmax(0, 1fr)); gap: 9px; }
.feature-step-canvases figure { margin: 0; border: 1px solid #e2e8f0; border-radius: 13px; padding: 7px; background: #fff; }
.feature-step-canvases figure.is-active { border-color: var(--feature-blue); box-shadow: 0 0 0 3px rgba(37,99,235,.12); }
.feature-step-canvases canvas { width: 100%; height: 90px; display: block; border-radius: 9px; background: #0f172a; }
.feature-step-canvases figcaption { margin-top: 5px; text-align: center; color: #475569; font-size: 12px; font-weight: 900; }

.feature-harris-lower,
.feature-scale-lower,
.feature-descriptor-bottom,
.feature-descriptor-top,
.feature-match-lower { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
.feature-descriptor-top { grid-template-columns: 1fr 1fr 240px; }
.feature-probe-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.feature-matrix-card { border: 1px solid #e2e8f0; border-radius: 12px; padding: 8px; background: #fff; }
.feature-matrix-card strong { display: block; margin-bottom: 6px; color: #1e3a8a; font-size: 12px; }
.feature-matrix { width: 100%; border-collapse: collapse; font-size: 11px; }
.feature-matrix td { border: 1px solid #e2e8f0; padding: 3px 4px; text-align: center; }

.feature-pyramid { display: grid; gap: 10px; }
.feature-pyramid-row { display: grid; grid-template-columns: 78px repeat(5, minmax(70px, 1fr)); gap: 8px; align-items: center; }
.feature-pyramid-label { color: var(--feature-muted); font-size: 12px; font-weight: 900; }
.feature-pyramid canvas { width: 100%; height: 72px; display: block; border-radius: 10px; background: #111827; border: 1px solid #dbeafe; }
.feature-dog-pyramid canvas { background: #000; }

.feature-dog-probe { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.feature-switch { display: flex !important; grid-template-columns: none !important; align-items: center; gap: 9px !important; min-height: 42px; border: 1px solid #bfdbfe; border-radius: 12px; padding: 8px 11px; background: #eff6ff; }
.feature-switch input { width: 18px; min-height: 18px; margin: 0; accent-color: var(--feature-blue); }
.feature-fast-probe { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(180px, .7fr); gap: 12px; }
.feature-fast-probe canvas { width: 100%; min-height: 250px; border: 1px solid #dbeafe; border-radius: 14px; background: #f8fbff; }
.feature-filter-canvases { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.feature-filter-canvases figure { margin: 0; border: 1px solid #dbeafe; border-radius: 12px; padding: 7px; background: #f8fbff; }
.feature-filter-canvases canvas { width: 100%; height: 118px; display: block; border-radius: 9px; background: #0f172a; }
.feature-filter-canvases figcaption { margin-top: 5px; color: #475569; text-align: center; font-size: 11px; font-weight: 900; }
.feature-stat-list { display: grid; gap: 7px; }
.feature-stat-list div { display: flex; justify-content: space-between; gap: 12px; border: 1px solid #e2e8f0; border-radius: 10px; padding: 8px 10px; background: #fff; color: #475569; font-weight: 850; }
.feature-stat-list strong { color: var(--feature-blue-dark); }
.feature-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Compact styling for right-side info panel parameters and results */
.feature-info .feature-stat-list {
    gap: 5px;
}
.feature-info .feature-stat-list div {
    font-size: 11.5px;
    padding: 5px 8px;
    font-weight: 700;
    border-radius: 8px;
}
.feature-info .feature-stat-list strong {
    font-size: 11.5px;
}


.feature-chart { width: 100%; min-height: 150px; border: 1px solid #dbeafe; border-radius: 14px; background: #fff; display: block; }
.feature-corner-stage { gap: 14px; background: linear-gradient(180deg, #fff 0%, #fbfdff 100%); }
.feature-corner-current { display: grid; grid-template-columns: minmax(0, 1fr) 270px; gap: 14px; align-items: stretch; }
.feature-corner-main-frame { position: relative; min-height: 430px; display: grid; place-items: center; overflow-x: auto; }
.feature-corner-main-frame canvas {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 470px;
    object-fit: contain;
    cursor: crosshair;
    transition: opacity .34s ease, transform .34s ease, filter .34s ease;
}
.feature-corner-main-frame .corner-previous-canvas {
    position: absolute;
    inset: 10px auto auto 10px;
    pointer-events: none;
    z-index: 2;
    box-shadow: none;
}
.corner-compare-divider {
    position: absolute;
    top: 10px;
    bottom: 10px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, #60a5fa, #2563eb, #60a5fa);
    box-shadow: 0 0 0 3px rgba(37,99,235,.16), 0 10px 24px rgba(37,99,235,.22);
    z-index: 3;
    pointer-events: none;
}
.corner-compare-control {
    display: grid;
    grid-template-columns: auto minmax(140px, 1fr) auto;
    align-items: center;
    gap: 10px;
    margin-top: 8px;
    color: #475569;
    font-size: 12px;
    font-weight: 900;
}
.corner-compare-control input[type="range"] {
    width: 100%;
    accent-color: var(--feature-blue);
}
.feature-corner-main-frame.is-switching canvas {
    opacity: .28;
    transform: translateY(8px) scale(.992);
    filter: blur(2px) saturate(.85);
}
.feature-corner-click-hint {
    margin: 8px 0 0;
    color: #64748b;
    font-size: 12px;
    font-weight: 800;
    text-align: center;
}
.feature-current-kernel {
    display: grid;
    gap: 8px;
    align-content: start;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    padding: 13px;
    background:
        radial-gradient(circle at 20% 0%, rgba(37,99,235,.08), transparent 34%),
        linear-gradient(180deg, #fff, #f8fbff);
}
.feature-current-kernel h3 { margin: 0; color: var(--feature-ink); font-size: 18px; }
.feature-current-kernel #cornerProbeSummary {
    gap: 5px;
}
.feature-current-kernel #cornerProbeSummary div {
    padding: 6px 9px;
    line-height: 1.25;
    font-size: 11px;
}
.feature-current-kernel #cornerProbeSummary strong {
    font-size: 12px;
}
.feature-chain-card {
    display: grid;
    gap: 12px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    padding: 13px;
    background:
        linear-gradient(135deg, rgba(255,255,255,.95), rgba(248,251,255,.96)),
        radial-gradient(circle at 10% 0%, rgba(59,130,246,.08), transparent 30%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.9);
}
.feature-chain-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.feature-chain-head h3 { margin: 3px 0 0; color: var(--feature-ink); }
.feature-chain-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(145px, 1fr));
    gap: 10px;
}
.feature-chain-step {
    min-width: 0;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 9px;
    background: linear-gradient(180deg, #fff, #fbfdff);
    overflow: hidden;
}
.feature-chain-step h4 {
    margin: 0 0 7px;
    color: var(--feature-blue-dark);
    font-size: 12px;
}
.feature-chain-step .feature-matrix-card {
    border: 0;
    padding: 0;
    background: transparent;
}
.feature-chain-step .feature-matrix-card strong { display: none; }
.feature-chain-step .feature-matrix { font-size: 10px; }
.feature-chain-step .feature-stat-list div { padding: 6px 7px; font-size: 11px; }

.corner-motion-probe {
    gap: 9px;
    min-height: 292px;
    max-height: 330px;
    overflow: hidden;
    padding: 11px 12px;
}
.corner-motion-head {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto auto;
    align-items: center;
    gap: 10px;
}
.corner-motion-head h3 {
    margin: 2px 0 0;
    color: var(--feature-ink);
    font-size: 16px;
}
.corner-motion-controls,
.corner-motion-speed {
    display: flex;
    align-items: center;
    gap: 5px;
}
.corner-motion-controls button {
    border: 1px solid #cbdcf8;
    border-radius: 999px;
    padding: 5px 9px;
    color: #31527f;
    background: rgba(255,255,255,.9);
    font: inherit;
    font-size: 10px;
    font-weight: 900;
    cursor: pointer;
    transition: border-color .2s ease, color .2s ease, background .2s ease, transform .2s ease;
}
.corner-motion-controls button:hover {
    transform: translateY(-1px);
    border-color: #60a5fa;
    color: #1d4ed8;
}
.corner-motion-controls button.is-active {
    border-color: #2563eb;
    color: #fff;
    background: #2563eb;
}
.corner-motion-speed {
    padding-left: 5px;
    border-left: 1px solid #dbeafe;
}
.corner-motion-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
    gap: 10px;
    min-height: 236px;
}
.corner-motion-stage {
    position: relative;
    min-width: 0;
    height: 236px;
    overflow: hidden;
    border: 1px solid #cfe1ff;
    border-radius: 15px;
    background:
        linear-gradient(rgba(37,99,235,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(37,99,235,.035) 1px, transparent 1px),
        radial-gradient(circle at 15% 25%, rgba(59,130,246,.12), transparent 28%),
        linear-gradient(145deg, #f9fcff, #eef6ff);
    background-size: 22px 22px, 22px 22px, auto, auto;
}
.corner-motion-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
}
.corner-motion-status {
    position: absolute;
    top: 8px;
    right: 8px;
    display: flex;
    align-items: center;
    gap: 5px;
    max-width: min(210px, calc(100% - 16px));
    border: 1px solid rgba(147,197,253,.55);
    border-radius: 999px;
    padding: 3px 5px 3px 9px;
    color: #31527f;
    background: rgba(255,255,255,.68);
    box-shadow: 0 5px 14px rgba(37,99,235,.08);
    backdrop-filter: blur(10px);
    font-size: 10px;
    font-weight: 900;
    pointer-events: none;
}
.corner-motion-status span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.corner-motion-status b {
    display: grid;
    place-items: center;
    min-width: 19px;
    height: 19px;
    border-radius: 999px;
    color: #fff;
    font-size: 10px;
    background: #2563eb;
}
.corner-motion-steps {
    position: absolute;
    left: 9px;
    right: 9px;
    bottom: 8px;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 6px;
    pointer-events: none;
}
.corner-motion-step-chip {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(147,197,253,.55);
    border-radius: 999px;
    padding: 5px 8px;
    color: #64748b;
    background: rgba(255,255,255,.68);
    box-shadow: 0 5px 14px rgba(37,99,235,.06);
    font-size: 10px;
    font-weight: 950;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.corner-motion-step-chip::before {
    content: "";
    position: absolute;
    inset: 0;
    width: var(--chip-progress, 0%);
    background: linear-gradient(90deg, rgba(96,165,250,.22), rgba(37,99,235,.18));
}
.corner-motion-step-chip span {
    position: relative;
    z-index: 1;
}
.corner-motion-step-chip.is-active {
    border-color: #2563eb;
    color: #1d4ed8;
    background: rgba(239,246,255,.9);
    box-shadow: 0 0 0 2px rgba(37,99,235,.09), 0 8px 18px rgba(37,99,235,.12);
}
.corner-motion-step-chip.is-done {
    border-color: rgba(96,165,250,.5);
    color: #31527f;
}
.corner-motion-result {
    min-width: 0;
    height: 236px;
    overflow: hidden;
    border: 1px solid #dbeafe;
    border-radius: 15px;
    padding: 10px;
    background:
        radial-gradient(circle at 100% 0%, rgba(249,115,22,.09), transparent 30%),
        linear-gradient(180deg, #fff, #f8fbff);
}
.corner-motion-result .feature-stat-list div,
.corner-motion-metric {
    min-width: 0;
}
.corner-motion-result h3 {
    margin: 2px 0 7px;
    color: var(--feature-ink);
    font-size: 14px;
}
.corner-motion-metrics {
    display: grid;
    gap: 5px;
}
.corner-motion-metric {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    min-height: 30px;
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    padding: 4px 7px;
    color: #52657f;
    background: rgba(255,255,255,.88);
    font-size: 11px;
    font-weight: 850;
}
.corner-motion-metric span,
.corner-motion-metric strong {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.corner-motion-metric strong {
    color: #1d4ed8;
    max-width: 130px;
    text-align: right;
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    animation: motion-value-flip .38s cubic-bezier(.22,1,.36,1);
}
.corner-motion-metric strong.is-badge {
    justify-self: end;
    border-radius: 999px;
    padding: 3px 7px;
    color: #1d4ed8;
    background: #eff6ff;
    box-shadow: inset 0 0 0 1px rgba(147,197,253,.65);
    font-size: 9px;
    letter-spacing: .02em;
}
.corner-motion-metric.is-orange strong.is-badge { color: #ea580c; background: #fff7ed; box-shadow: inset 0 0 0 1px rgba(251,146,60,.55); }
.corner-motion-metric.is-green strong.is-badge { color: #15803d; background: #f0fdf4; box-shadow: inset 0 0 0 1px rgba(74,222,128,.45); }
.corner-motion-metric.is-purple strong.is-badge { color: #7c3aed; background: #f5f3ff; box-shadow: inset 0 0 0 1px rgba(167,139,250,.45); }
.corner-motion-metric.is-yellow strong.is-badge { color: #a16207; background: #fefce8; box-shadow: inset 0 0 0 1px rgba(250,204,21,.55); }
.corner-motion-metric.is-orange strong { color: #ea580c; }
.corner-motion-metric.is-green strong { color: #16a34a; }
.corner-motion-metric.is-purple strong { color: #7c3aed; }
.corner-motion-metric.is-yellow strong { color: #ca8a04; }
@keyframes motion-value-flip {
    from { opacity: 0; transform: translateY(7px) rotateX(-45deg); }
    to { opacity: 1; transform: translateY(0) rotateX(0); }
}
.feature-chain-animated { position: relative; overflow: hidden; }
.feature-chain-animated::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent, rgba(96,165,250,.12), transparent);
    transform: translateX(-100%);
    animation: probe-sheen 2.4s ease-in-out infinite;
}
.calc-track {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 7px;
    min-height: 42px;
    padding: 8px;
    border: 1px solid #dbeafe;
    border-radius: 12px;
    background: #f8fbff;
}
.calc-token {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 28px;
    border-radius: 9px;
    padding: 4px 8px;
    color: #1d4ed8;
    font-size: 12px;
    font-weight: 950;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
}
.calc-left { animation: calc-left 2.2s ease-in-out infinite; }
.calc-right { animation: calc-right 2.2s ease-in-out infinite; }
.calc-result { color: #0f766e; background: #ecfeff; border-color: #a5f3fc; animation: calc-pop 2.2s ease-in-out infinite; }
.calc-op, .calc-eq { color: #64748b; font-weight: 950; }
.feature-latex-note .latex-formula {
    padding: 10px 12px;
    border: 1px solid #fed7aa;
    border-radius: 12px;
    color: #9a3412;
    font-family: "Cambria Math", "Times New Roman", serif;
    font-size: 15px;
    line-height: 1.7;
    background: rgba(255,247,237,.75);
    overflow-x: auto;
}
.feature-note-detail {
    display: grid;
    gap: 6px;
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
}
.feature-note-detail li {
    position: relative;
    padding-left: 16px;
    color: #7c2d12;
    font-size: 12px;
    line-height: 1.55;
    font-weight: 850;
}
.feature-note-detail li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .65em;
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: #fb923c;
    box-shadow: 0 0 0 3px rgba(251,146,60,.14);
}
.feature-corner-compare {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.feature-corner-compare figure {
    display: grid;
    gap: 7px;
    margin: 0;
    border: 1px solid #dbeafe;
    border-radius: 14px;
    padding: 9px;
    background: #fff;
}
.feature-corner-compare canvas {
    width: 100%;
    height: auto;
    min-height: 180px;
    max-height: 260px;
    display: block;
    object-fit: contain;
    border-radius: 10px;
    background: #f8fbff;
}
.feature-corner-compare figcaption {
    color: #475569;
    text-align: center;
    font-size: 12px;
    font-weight: 900;
}
.feature-corner-flow { gap: 12px; }
.feature-corner-flow-line .flow-step {
    appearance: none;
    text-align: left;
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.feature-corner-flow-line .flow-step:hover { transform: translateY(-2px); }
.feature-corner-flow-line .flow-step.is-active {
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 24px rgba(37,99,235,.16);
    animation: step-current-pulse 1.9s ease-in-out infinite;
}
.feature-corner-flow-line .flow-step.is-active::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent, rgba(59,130,246,.16), transparent);
    transform: translateX(-100%);
    animation: probe-sheen 2s ease-in-out infinite;
}
.feature-corner-thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
    gap: 7px;
}
.feature-corner-thumbs button {
    display: grid;
    gap: 7px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    padding: 4px;
    color: #475569;
    text-align: left;
    font-size: 12px;
    font-weight: 900;
    cursor: pointer;
    background: #fff;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.corner-flow-card-head {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    align-items: center;
    gap: 7px;
}
.corner-flow-card-head i {
    display: grid;
    place-items: center;
    width: 22px;
    height: 22px;
    border-radius: 999px;
    color: #64748b;
    font-style: normal;
    font-size: 11px;
    font-weight: 950;
    background: #e2e8f0;
}
.feature-corner-thumbs button.is-active .corner-flow-card-head i {
    color: #fff;
    background: var(--feature-blue);
}
.corner-flow-card-head span {
    display: grid;
    gap: 1px;
    min-width: 0;
}
.corner-flow-card-head b {
    color: #475569;
    font-size: 12px;
    line-height: 1.05;
}
.corner-flow-card-head small {
    color: #64748b;
    font-size: 10px;
    line-height: 1.05;
}
.feature-corner-thumbs button.is-active .corner-flow-card-head b,
.feature-corner-thumbs button.is-active .corner-flow-card-head small {
    color: var(--feature-blue-dark);
}
.feature-corner-thumbs button:hover { transform: translateY(-2px); }
.feature-corner-thumbs button.is-active {
    position: relative;
    overflow: hidden;
    border-color: var(--feature-blue);
    color: var(--feature-blue-dark);
    box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.feature-corner-thumbs button.is-active canvas { filter: saturate(1.12) contrast(1.04); }
.feature-corner-thumbs canvas {
    width: 100%;
    height: auto;
    max-height: 100px;
    border-radius: 14px;
    object-fit: contain;
    background: #f8fbff;
}
.feature-corner-thumbs span {
    line-height: 1.05;
}

@keyframes probe-sheen {
    0%, 45% { transform: translateX(-100%); }
    85%, 100% { transform: translateX(100%); }
}
@keyframes calc-left {
    0%, 25%, 100% { transform: translateX(0); }
    45%, 65% { transform: translateX(8px); }
}
@keyframes calc-right {
    0%, 25%, 100% { transform: translateX(0); }
    45%, 65% { transform: translateX(-8px); }
}
@keyframes calc-pop {
    0%, 55%, 100% { transform: scale(1); }
    70% { transform: scale(1.08); }
}
@keyframes step-current-pulse {
    0%, 100% { box-shadow: 0 10px 22px rgba(37,99,235,.12); }
    50% { box-shadow: 0 14px 28px rgba(37,99,235,.24); }
}
.feature-sift-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(138px, 1fr));
    gap: 8px;
    padding: 8px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    background: #f8fbff;
}
.feature-sift-steps button {
    display: grid;
    grid-template-columns: 26px minmax(0, 1fr);
    align-items: center;
    gap: 7px;
    min-height: 54px;
    border: 1px solid transparent;
    border-radius: 12px;
    padding: 7px 9px;
    color: #52627a;
    text-align: left;
    font-size: 12px;
    font-weight: 900;
    cursor: pointer;
    background: transparent;
}
.feature-sift-steps button:hover,
.feature-sift-steps button.is-active {
    border-color: #93c5fd;
    color: var(--feature-blue-dark);
    background: #fff;
    box-shadow: 0 8px 18px rgba(37, 99, 235, .09);
}
.feature-sift-steps i {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border-radius: 999px;
    color: #1d4ed8;
    font-style: normal;
    background: #dbeafe;
}
.feature-sift-steps button.is-active i { color: #fff; background: var(--feature-blue); }
.feature-sift-flow .feature-sift-steps { display: none; }
.feature-sift-main-frame {
    position: relative;
    display: grid;
    place-items: center;
    min-height: clamp(300px, 28vw, 430px);
    border: 0;
    border-radius: 0;
    padding: 0;
    background: transparent;
    overflow: visible;
}
.feature-canvas-frame.feature-sift-main-frame {
    border: 0;
    border-radius: 0;
    padding: 0;
    background: transparent;
}
.feature-sift-main-frame canvas {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 430px;
    object-fit: contain;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.feature-sift-motion-probe {
    gap: 10px;
    background:
        radial-gradient(circle at 78% 10%, rgba(14, 165, 233, .1), transparent 28%),
        linear-gradient(135deg, #ffffff, #f8fbff 72%, #eef6ff);
}
.sift-motion-head {
    align-items: center;
}
.sift-motion-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 320px);
    gap: 10px;
    align-items: stretch;
}
.sift-motion-stage {
    position: relative;
    min-width: 0;
    height: 260px;
    overflow: hidden;
    border: 1px solid #bfdbfe;
    border-radius: 16px;
    background:
        linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,251,255,.96)),
        radial-gradient(circle at 16% 22%, rgba(37,99,235,.12), transparent 28%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.92);
}
.sift-motion-stage canvas {
    display: block;
    width: 100%;
    height: 100%;
    background: transparent;
}
.sift-motion-result {
    height: 260px;
}
.sift-motion-result .corner-motion-metric {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    min-height: 34px;
    font-size: 12px;
}
.sift-motion-result .corner-motion-metric span {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    width: 100%;
    flex: 1 1 auto;
}
.sift-motion-result .corner-motion-metric small {
    flex: 0 0 auto;
    max-width: 168px;
    overflow: hidden;
    border-radius: 999px;
    padding: 3px 7px;
    color: #1d4ed8;
    text-overflow: ellipsis;
    white-space: nowrap;
    background: #eff6ff;
    box-shadow: inset 0 0 0 1px rgba(147,197,253,.72);
    font-size: 12px;
    font-weight: 950;
}
.sift-motion-result .corner-motion-metric strong {
    flex: 0 0 auto;
    justify-self: end;
    min-width: 54px;
    max-width: 168px;
    color: #1d4ed8;
    border-radius: 999px;
    padding: 3px 7px;
    background: #eff6ff;
    box-shadow: inset 0 0 0 1px rgba(147,197,253,.72);
    font-size: 12px;
    font-weight: 950;
}
.feature-sift-motion-probe .corner-motion-status {
    top: 10px;
    right: 10px;
    font-size: 10px;
    padding: 4px 6px 4px 10px;
}
.feature-sift-motion-probe .corner-motion-status b {
    min-width: 22px;
    height: 20px;
    font-size: 10px;
}
.feature-sift-motion-probe .corner-motion-step-chip {
    padding: 5px 8px;
    font-size: 10px;
}
.feature-sift-flow {
    gap: 10px;
    padding-top: 2px;
}
.feature-sift-flow > strong {
    font-size: 15px;
}
.feature-sift-flow .feature-corner-thumbs {
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
}
.feature-sift-flow .feature-corner-thumbs button {
    min-height: 150px;
}
.feature-sift-flow .feature-corner-thumbs canvas {
    width: 100%;
    height: 88px;
    max-height: 88px;
    object-fit: contain;
    background: #f8fbff;
}
.feature-sift-panel { display: grid; gap: 14px; min-height: 350px; }
.feature-sift-layout .feature-sift-panel { min-height: 0; }
.feature-sift-layout .feature-stage > .feature-sift-panel {
    display: none !important;
}
.feature-sift-panel h3 { margin: 0; color: #1e293b; }
.feature-preprocess-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.feature-preprocess-grid figure { display: grid; gap: 7px; margin: 0; }
.feature-preprocess-grid figcaption { color: #475569; text-align: center; font-size: 12px; font-weight: 900; }
.feature-lazy-status {
    padding: 10px 12px;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    color: #475569;
    font-size: 12px;
    font-weight: 850;
    background: #eff6ff;
}
.feature-lazy-status[data-state="loading"] { color: #1d4ed8; }
.feature-lazy-status[data-state="ready"] { border-color: #bbf7d0; color: #15803d; background: #f0fdf4; }
.feature-lazy-status[data-state="error"] { border-color: #fecaca; color: #b91c1c; background: #fef2f2; }
.feature-sift-analog-card {
    display: grid;
    gap: 12px;
    margin-top: 4px;
    padding: 12px;
    border: 1px solid #dbeafe;
    border-radius: 18px;
    background: linear-gradient(135deg, #ffffff, #f8fbff);
}
.feature-analog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
}
.feature-analog-selected {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(220px, .8fr);
    gap: 14px;
    align-items: stretch;
    padding: 10px;
    border: 1px solid #bfdbfe;
    border-radius: 16px;
    background: linear-gradient(135deg, #f8fbff, #ffffff);
}
.feature-analog-selected canvas {
    width: 100%;
    max-height: 360px;
    object-fit: contain;
    border-radius: 14px;
    background: #f8fbff;
}
.feature-analog-selected h3 {
    margin: 0 0 10px;
    color: #1e3a8a;
}
.feature-analog-selected p {
    margin: 10px 0 0;
    color: #52627a;
    font-size: 13px;
    line-height: 1.6;
    font-weight: 760;
}
.feature-analog-card {
    display: grid;
    gap: 9px;
    padding: 10px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    color: inherit;
    text-align: left;
    cursor: pointer;
    background: #fff;
    box-shadow: 0 10px 22px rgba(15, 23, 42, .05);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.feature-analog-card:hover { transform: translateY(-2px); }
.feature-analog-card.is-active {
    border-color: var(--feature-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .12), 0 12px 24px rgba(15, 23, 42, .08);
}
.feature-analog-head {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 8px;
}
.feature-analog-head h3 { margin: 0; color: #1e3a8a; font-size: 15px; }
.feature-analog-head span {
    padding: 3px 7px;
    border-radius: 999px;
    color: #1d4ed8;
    font-size: 10px;
    font-weight: 900;
    background: #eff6ff;
}
.feature-analog-card canvas {
    width: 100%;
    height: 120px;
    border-radius: 12px;
    background: #f8fbff;
    object-fit: cover;
}
.feature-analog-card p {
    margin: 0;
    color: #64748b;
    font-size: 12px;
    line-height: 1.55;
}
.table-wrap { overflow-x: auto; border: 1px solid #e2e8f0; border-radius: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th, td { border-bottom: 1px solid #e2e8f0; padding: 8px; text-align: left; }
th { color: #1e3a8a; background: #eff6ff; }
.pass { color: #16a34a; font-weight: 950; }
.fail { color: #dc2626; font-weight: 950; }

.feature-flow { display: grid; gap: 12px; }
.feature-flow > strong { color: var(--feature-ink); }
.feature-flow-line { display: flex; align-items: stretch; gap: 8px; overflow-x: auto; padding-bottom: 3px; }
.flow-step { flex: 1 1 140px; min-width: 112px; border: 1px solid #e2e8f0; border-radius: 14px; padding: 8px; color: #64748b; background: #fff; }
.flow-step.is-active { border-color: #93c5fd; color: #1d4ed8; background: #eff6ff; }
.flow-step i { display: inline-grid; place-items: center; width: 23px; height: 23px; border-radius: 999px; background: #e2e8f0; font-style: normal; font-weight: 950; font-size: 11px; }
.flow-step.is-active i { color: #fff; background: var(--feature-blue); }
.flow-step b { display: block; margin-top: 5px; font-size: 12px; }
.flow-step small { display: block; font-size: 11px; }

@media (max-width: 1180px) {
    .feature-layout { grid-template-columns: 1fr; }
    .feature-controls, .feature-info { position: static; }
    .feature-result-grid-4, .feature-result-grid-5, .feature-result-grid-analog, .feature-harris-lower, .feature-scale-lower, .feature-descriptor-top, .feature-descriptor-bottom, .feature-match-lower, .feature-corner-current, .feature-corner-compare, .feature-analog-selected { grid-template-columns: 1fr; }
    .feature-fast-probe { grid-template-columns: 1fr; }
    .feature-filter-canvases { grid-template-columns: 1fr; }
    .feature-step-canvases { grid-template-columns: repeat(5, 1fr); }
    .feature-compare-detail-grid { grid-template-columns: 1fr; }
    .feature-sift-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .feature-preprocess-grid { grid-template-columns: 1fr; }
    .corner-motion-probe { max-height: none; }
    .corner-motion-head { grid-template-columns: 1fr; }
    .corner-motion-layout { grid-template-columns: 1fr; }
    .sift-motion-layout { grid-template-columns: 1fr; }
    .sift-motion-result { height: auto; }
    .corner-motion-result { height: auto; }
}

@media (max-width: 680px) {
    .station-hero {
        display: grid;
        gap: 10px;
        padding: 16px;
    }

    .station-badge {
        grid-row: 1;
        justify-self: start;
        padding: 6px 10px;
        font-size: 10px;
    }

    .feature-hero h1 {
        font-size: 26px;
    }

    .feature-hero p {
        font-size: 13px;
    }

    .feature-sift-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Feature matching: descriptor filtering, geometric verification and registration. */
.feature-matching-layout {
    grid-template-columns: 300px minmax(0, 1fr) minmax(310px, 350px);
}

.match-controls form {
    display: grid;
    gap: 12px;
}

.match-algorithm-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.match-algorithm-card {
    display: grid;
    gap: 3px;
    min-width: 0;
    min-height: 82px;
    border: 1px solid #dbeafe;
    border-radius: 13px;
    padding: 10px;
    color: #475569;
    text-align: left;
    cursor: pointer;
    background: linear-gradient(145deg, #fff, #f8fbff);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.match-algorithm-card:hover {
    transform: translateY(-2px);
    border-color: #93c5fd;
}

.match-algorithm-card.is-active {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, .11), 0 10px 20px rgba(37, 99, 235, .1);
    background: linear-gradient(145deg, #fff, #eff6ff);
}

.match-algorithm-card b {
    color: #1e3a8a;
    font-size: 13px;
}

.match-algorithm-card span {
    color: #2563eb;
    font-size: 11px;
    font-weight: 950;
}

.match-algorithm-card small {
    overflow: hidden;
    color: #64748b;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 9px;
    font-weight: 800;
}

.match-main-stage {
    gap: 13px;
}

.match-nav-block {
    display: grid;
    gap: 6px;
}

.match-nav-label {
    color: #1d4ed8;
    font-size: 10px;
    font-weight: 950;
    letter-spacing: 0;
    text-transform: uppercase;
}

.match-view-toolbar {
    display: inline-flex;
    justify-self: start;
    gap: 5px;
    padding: 5px;
    border: 1px solid #dbeafe;
    border-radius: 13px;
    background: #f8fbff;
}

.match-view-toolbar button,
.match-motion-controls button {
    min-height: 32px;
    border: 1px solid transparent;
    border-radius: 9px;
    padding: 0 12px;
    color: #52627a;
    font-size: 11px;
    font-weight: 900;
    cursor: pointer;
    background: transparent;
}

.match-view-toolbar button:hover,
.match-view-toolbar button.is-active {
    border-color: #bfdbfe;
    color: #1d4ed8;
    background: #fff;
    box-shadow: 0 6px 14px rgba(37, 99, 235, .09);
}

.match-phase-strip {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
}

.match-phase-strip button {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1px 7px;
    align-items: center;
    border: 1px solid #dbeafe;
    border-radius: 11px;
    padding: 7px 9px;
    color: #64748b;
    text-align: left;
    cursor: pointer;
    background: #fbfdff;
}

.match-phase-strip button b {
    grid-row: 1 / 3;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 999px;
    color: #1d4ed8;
    font-size: 10px;
    background: #dbeafe;
}

.match-phase-strip button span { color: #334155; font-size: 11px; font-weight: 900; }
.match-phase-strip button small { font-size: 9px; font-weight: 750; }
.match-phase-strip button.is-active { border-color: #93c5fd; background: #eff6ff; box-shadow: inset 0 0 0 1px rgba(37,99,235,.08); }
.match-phase-strip button.is-active b { color: #fff; background: #2563eb; }

.match-warp-opacity {
    display: grid;
    grid-template-columns: auto minmax(160px, 1fr) auto;
    gap: 10px;
    align-items: center;
    max-width: 480px;
    color: #475569;
    font-size: 11px;
    font-weight: 850;
}

.match-warp-opacity input { width: 100%; accent-color: #2563eb; }
.match-warp-opacity b { color: #1d4ed8; font-variant-numeric: tabular-nums; }

.match-canvas-shell {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 390px;
    background:
        linear-gradient(45deg, rgba(219, 234, 254, .42) 25%, transparent 25%) 0 0 / 22px 22px,
        linear-gradient(-45deg, rgba(219, 234, 254, .42) 25%, transparent 25%) 0 11px / 22px 22px,
        #f8fbff;
}

.feature-match-frame.match-canvas-shell canvas {
    width: auto;
    max-width: 100%;
    max-height: 540px;
    min-height: 0;
    object-fit: contain;
    border: 1px solid rgba(191, 219, 254, .8);
    border-radius: 11px;
    background: #f8fbff;
}

.match-tooltip {
    position: absolute;
    z-index: 5;
    display: grid;
    gap: 3px;
    max-width: 240px;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    padding: 8px 10px;
    color: #475569;
    pointer-events: none;
    background: rgba(255, 255, 255, .96);
    box-shadow: 0 12px 26px rgba(15, 23, 42, .15);
    font-size: 10px;
    font-variant-numeric: tabular-nums;
}

.match-tooltip b {
    color: #1e3a8a;
    font-size: 11px;
}

.match-empty-state {
    position: absolute;
    inset: 50% auto auto 50%;
    transform: translate(-50%, -50%);
    max-width: 360px;
    border: 1px solid #bfdbfe;
    border-radius: 12px;
    padding: 10px 14px;
    color: #1d4ed8;
    text-align: center;
    background: rgba(239, 246, 255, .94);
    font-size: 12px;
    font-weight: 850;
}

.match-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    color: #64748b;
    font-size: 11px;
    font-weight: 850;
}

.match-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.match-legend i {
    width: 22px;
    height: 3px;
    border-radius: 999px;
}

.match-legend .blue { background: #2563eb; }
.match-legend .red { background: #dc2626; }
.match-legend .green { background: #16a34a; }
.match-legend .red { box-shadow: 0 0 0 2px rgba(220,38,38,.14), 0 0 8px rgba(220,38,38,.28); }
.match-legend .frame {
    width: 18px;
    height: 10px;
    border: 2px dashed #16a34a;
    border-radius: 2px;
    background: transparent;
}

.match-stat-groups {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.match-stat-groups article {
    min-width: 0;
    border: 1px solid #dbeafe;
    border-radius: 15px;
    padding: 11px;
    background: linear-gradient(145deg, #fff, #f8fbff);
}

.match-stat-groups article > header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.match-stat-groups article > header > span {
    display: grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 9px;
    color: #fff;
    font-size: 10px;
    font-weight: 950;
    background: #2563eb;
}

.match-stat-groups article:nth-child(2) > header > span { background: #0ea5e9; }
.match-stat-groups article:nth-child(3) > header > span { background: #16a34a; }
.match-stat-groups header div { display: grid; gap: 1px; }
.match-stat-groups header b { color: #1e293b; font-size: 13px; }
.match-stat-groups header small { color: #64748b; font-size: 9px; font-weight: 800; }
.match-stat-groups .feature-stat-list { gap: 5px; }
.match-stat-groups .feature-stat-list div { padding: 6px 7px; font-size: 10px; }

.match-ransac-lab,
.match-probe-card,
.match-table-section {
    display: grid;
    gap: 11px;
    border: 1px solid #dbeafe;
    border-radius: 17px;
    padding: 13px;
    background:
        radial-gradient(circle at 90% 0%, rgba(37, 99, 235, .08), transparent 28%),
        linear-gradient(145deg, #fff, #f8fbff);
}

.match-ransac-lab {
    gap: 7px;
    padding: 10px;
}

.feature-chain-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.feature-chain-head h3,
.match-probe-card h4 {
    margin: 3px 0 0;
    color: #1e293b;
}

.feature-chain-head h3 { font-size: 16px; }
.feature-chain-head > small { color: #64748b; font-size: 10px; font-weight: 800; }
.match-motion-controls { display: flex; gap: 6px; }
.match-motion-controls button { border-color: #bfdbfe; color: #1d4ed8; background: #eff6ff; }

.match-ransac-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 10px;
}

.match-ransac-canvas-wrap {
    position: relative;
    min-width: 0;
    overflow: hidden;
    border: 1px solid #bfdbfe;
    border-radius: 14px;
    background: #f8fbff;
}

.match-ransac-canvas-wrap canvas {
    display: block;
    width: 100%;
    height: 300px;
}

.match-ransac-phase {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 5px 10px;
    color: #1d4ed8;
    background: rgba(255, 255, 255, .94);
    box-shadow: 0 6px 14px rgba(37, 99, 235, .1);
    font-size: 10px;
    font-weight: 950;
    white-space: nowrap;
}

.match-ransac-side {
    display: grid;
    align-content: start;
    gap: 9px;
}

.match-ransac-steps {
    display: grid;
    gap: 5px;
}

.match-ransac-steps span {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    align-items: center;
    gap: 7px;
    min-height: 31px;
    border: 1px solid #e2e8f0;
    border-radius: 9px;
    padding: 4px 7px;
    color: #64748b;
    font-size: 10px;
    font-weight: 900;
    background: #fff;
}

.match-ransac-steps i {
    display: grid;
    place-items: center;
    width: 20px;
    height: 20px;
    border-radius: 999px;
    color: #64748b;
    font-style: normal;
    background: #e2e8f0;
}

.match-ransac-steps span.is-active {
    border-color: #60a5fa;
    color: #1d4ed8;
    background: #eff6ff;
    box-shadow: 0 6px 14px rgba(37, 99, 235, .09);
}

.match-ransac-steps span.is-active i,
.match-ransac-steps span.is-done i {
    color: #fff;
    background: #2563eb;
}

.match-inlier-meter {
    display: grid;
    gap: 5px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    padding: 8px;
    color: #475569;
    background: #fff;
    font-size: 10px;
    font-weight: 850;
}

.match-inlier-meter span {
    display: flex;
    justify-content: space-between;
}

.match-inlier-meter b { color: #2563eb; }
.match-inlier-meter > div { height: 7px; overflow: hidden; border-radius: 999px; background: #dbeafe; }
.match-inlier-meter i { display: block; width: 0; height: 100%; border-radius: inherit; background: #2563eb; transition: width .35s ease; }
.match-inlier-meter.best b { color: #15803d; }
.match-inlier-meter.best i { background: #16a34a; }
.match-ransac-side .feature-stat-list div { padding: 6px 7px; font-size: 9px; }

.match-ransac-bottom-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
}

.match-ransac-bottom-metrics div {
    min-height: 24px;
    padding: 3px 9px;
    font-size: 10px;
    line-height: 1.05;
}

.feature-chain-head > label {
    display: grid;
    gap: 4px;
    color: #64748b;
    font-size: 10px;
    font-weight: 850;
}

.feature-chain-head select {
    min-width: 170px;
    min-height: 32px;
    border: 1px solid #bfdbfe;
    border-radius: 9px;
    padding: 0 8px;
    color: #1e3a8a;
    background: #fff;
    font-size: 11px;
    font-weight: 850;
}

.match-probe-grid {
    display: grid;
    grid-template-columns: minmax(180px, .8fr) minmax(220px, 1fr) minmax(230px, 1fr) minmax(180px, .8fr);
    gap: 9px;
}

.match-probe-grid article {
    min-width: 0;
    border: 1px solid #dbeafe;
    border-radius: 13px;
    padding: 10px;
    background: #fff;
}

.match-probe-grid h4 {
    margin: 0 0 9px;
    font-size: 12px;
}

.match-probe-grid canvas {
    display: block;
    width: 100%;
    height: 170px;
    border-radius: 9px;
    background: #f8fbff;
}

.match-distance-probe {
    display: grid;
    align-content: start;
    gap: 11px;
}

.distance-bar {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr) 52px;
    align-items: center;
    gap: 6px;
    color: #475569;
    font-size: 10px;
    font-weight: 950;
}

.distance-bar > div {
    height: 11px;
    overflow: hidden;
    border-radius: 999px;
    background: #dbeafe;
}

.distance-bar i {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #2563eb, #60a5fa);
    transition: width .4s ease;
}

.distance-bar.second i { background: linear-gradient(90deg, #f97316, #fdba74); }
.distance-bar b { color: #1e3a8a; text-align: right; font-variant-numeric: tabular-nums; }
.match-distance-probe p { margin: 5px 0 0; color: #1d4ed8; font-family: "Cambria Math", monospace; font-size: 11px; font-weight: 850; }

.match-gates {
    display: grid;
    align-content: start;
    gap: 8px;
}

.match-gate {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 3px 8px;
    border: 1px solid #cbd5e1;
    border-radius: 11px;
    padding: 9px;
    color: #64748b;
    background: #f8fafc;
}

.match-gate span { font-size: 10px; font-weight: 900; }
.match-gate b { color: #64748b; font-size: 11px; }
.match-gate small { grid-column: 1 / -1; overflow-wrap: anywhere; font-size: 9px; line-height: 1.4; }
.match-gate.is-pass { border-color: #86efac; color: #15803d; background: #f0fdf4; }
.match-gate.is-pass b { color: #15803d; }
.match-gate.is-fail { border-color: #fca5a5; color: #b91c1c; background: #fef2f2; }
.match-gate.is-fail b { color: #b91c1c; }

.match-table-wrap {
    max-height: 430px;
    overflow: auto;
}

#matchTable {
    min-width: 920px;
    font-variant-numeric: tabular-nums;
}

#matchTable tbody tr {
    cursor: pointer;
    transition: background .18s ease;
}

#matchTable tbody tr:hover,
#matchTable tbody tr.is-selected {
    background: #eff6ff;
}

#matchTable th:last-child,
#matchTable td:last-child {
    position: sticky;
    right: 0;
    z-index: 1;
    border-left: 1px solid #dbeafe;
    background: #fff;
}

#matchTable th:last-child {
    z-index: 2;
    background: #eff6ff;
}

#matchTable tbody tr:hover td:last-child,
#matchTable tbody tr.is-selected td:last-child {
    background: #eff6ff;
}

.match-status {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    border-radius: 999px;
    padding: 0 8px;
    font-size: 10px;
    font-weight: 950;
    white-space: nowrap;
}

.match-status.status-inlier { color: #15803d; background: #dcfce7; }
.match-status.status-outlier { color: #b91c1c; background: #fee2e2; }
.match-status.status-ratio-fail { color: #b91c1c; background: #fef2f2; box-shadow: inset 0 0 0 1px #fecaca; }
.status-pill.is-error { color: #b91c1c; border-color: #fecaca; background: #fef2f2; }

.feature-flow-line .flow-step:is(button) {
    appearance: none;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.feature-flow-line .flow-step:is(button):hover {
    transform: translateY(-2px);
    border-color: #93c5fd;
}

.feature-flow-line .flow-step.is-done {
    border-color: #bfdbfe;
    color: #31527f;
    background: #f8fbff;
}

.feature-flow-line .flow-step.is-done i {
    color: #fff;
    background: #60a5fa;
}

.match-descriptor-signature {
    display: grid;
    gap: 5px;
    margin-bottom: 10px;
}

.match-descriptor-signature span {
    color: #64748b;
    font-size: 11px;
    font-weight: 850;
}

.match-descriptor-signature canvas {
    width: 100%;
    height: 58px;
    border: 1px solid #dbeafe;
    border-radius: 9px;
    background: #f8fbff;
}

.feature-panorama-layout {
    grid-template-columns: 286px minmax(0, 1fr) minmax(300px, 340px);
}

.panorama-controls {
    gap: 11px;
}

.panorama-controls form,
.panorama-control-set {
    display: grid;
    gap: 10px;
}

.panorama-mode-switch {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 5px;
    padding: 5px;
    border: 1px solid #dbeafe;
    border-radius: 13px;
    background: #f8fbff;
}

.panorama-mode-switch button,
.panorama-control-set > button,
.panorama-result-stats button,
.panorama-blend-process button {
    min-height: 32px;
    border: 1px solid transparent;
    border-radius: 9px;
    padding: 0 10px;
    color: #52627a;
    font-size: 11px;
    font-weight: 900;
    cursor: pointer;
    background: transparent;
}

.panorama-mode-switch button:hover,
.panorama-mode-switch button.is-active,
.panorama-control-set > button:hover,
.panorama-result-stats button:hover,
.panorama-blend-process button:hover {
    border-color: #bfdbfe;
    color: #1d4ed8;
    background: #fff;
    box-shadow: 0 6px 14px rgba(37, 99, 235, .09);
}

.panorama-controls .feature-upload {
    min-height: 72px;
    padding: 12px 14px;
}

.panorama-controls .feature-upload span {
    font-size: 15px;
}

.panorama-controls .feature-sample-btn {
    height: 40px;
}

.panorama-controls .feature-param-card {
    gap: 7px;
    padding: 10px;
}

.panorama-controls .feature-param-card label,
.panorama-control-set > label {
    gap: 5px;
    font-size: 12px;
}

.panorama-controls input,
.panorama-controls select {
    min-height: 34px;
    border-radius: 10px;
}

.panorama-controls input[type="checkbox"] {
    width: 17px;
    min-height: 17px;
    height: 17px;
    margin: 0;
    padding: 0;
    accent-color: var(--feature-blue);
}

.panorama-controls .feature-check-row,
.panorama-checkbox {
    display: flex !important;
    grid-template-columns: none !important;
    align-items: center;
    gap: 8px !important;
    min-height: 30px;
}

.panorama-control-set > button {
    border-color: #bfdbfe;
    color: #1d4ed8;
    background: #eff6ff;
}

.panorama-control-set > button.feature-primary {
    min-height: 38px;
    border: 0;
    color: #fff;
    background: linear-gradient(135deg, var(--feature-blue), var(--feature-blue-dark));
}

.panorama-stage {
    gap: 13px;
}

.panorama-stage .feature-stage-head {
    align-items: center;
}

.panorama-view-toolbar {
    max-width: 100%;
    flex-wrap: wrap;
}

.panorama-canvas-shell {
    position: relative;
    display: grid;
    place-items: center;
    height: clamp(540px, 46vw, 760px);
    min-height: 540px;
    padding: 12px;
    background:
        linear-gradient(45deg, rgba(219, 234, 254, .42) 25%, transparent 25%) 0 0 / 22px 22px,
        linear-gradient(-45deg, rgba(219, 234, 254, .42) 25%, transparent 25%) 0 11px / 22px 22px,
        #f8fbff;
}

.panorama-canvas-shell canvas {
    position: absolute;
    inset: 12px;
    width: calc(100% - 24px);
    height: calc(100% - 24px) !important;
    display: block;
    border: 1px solid rgba(191, 219, 254, .8);
    border-radius: 12px;
    background: #f8fbff;
}

.panorama-canvas-shell video {
    display: none;
}

.panorama-result-stats {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 8px;
    border: 1px solid #dbeafe;
    border-radius: 15px;
    padding: 10px;
    background: linear-gradient(145deg, #fff, #f8fbff);
}

.panorama-result-stats .feature-stat-list {
    grid-template-columns: repeat(auto-fit, minmax(118px, 1fr));
    gap: 6px;
}

.panorama-result-stats .feature-stat-list div {
    padding: 6px 8px;
    font-size: 10px;
}

.panorama-result-stats button {
    border-color: #bfdbfe;
    color: #1d4ed8;
    background: #eff6ff;
    white-space: nowrap;
}

.panorama-blend-process {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    border: 1px solid #dbeafe;
    border-radius: 16px;
    padding: 12px;
    background:
        radial-gradient(circle at 92% 8%, rgba(14, 165, 233, .1), transparent 30%),
        linear-gradient(145deg, #fff, #f8fbff);
}

.panorama-blend-process article {
    display: grid;
    gap: 6px;
    min-width: 0;
}

.panorama-blend-process canvas {
    width: 100%;
    height: 96px;
    border: 1px solid #dbeafe;
    border-radius: 10px;
    background: #f8fbff;
}

.panorama-blend-process span {
    color: #1e3a8a;
    font-size: 11px;
    font-weight: 900;
}

.panorama-info {
    gap: 12px;
}

.panorama-info .feature-boundary,
.panorama-info .feature-note {
    padding: 11px;
}

.panorama-info .feature-stat-list {
    gap: 6px;
}

.panorama-info .feature-stat-list div {
    min-height: 28px;
    padding: 6px 8px;
    font-size: 10px;
}

.panorama-mobile-toggle {
    display: none;
}

.panorama-mobile-capture {
    display: none;
}

.panorama-camera-advanced,
.panorama-info-content {
    display: contents;
}

@media (max-width: 1540px) {
    .feature-matching-layout {
        grid-template-columns: 280px minmax(0, 1fr) 310px;
    }
    .feature-panorama-layout {
        grid-template-columns: 280px minmax(0, 1fr) 310px;
    }
    .match-ransac-layout {
        grid-template-columns: 1fr;
    }
    .match-ransac-side {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .match-ransac-steps {
        grid-column: 1 / -1;
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
    .match-probe-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .panorama-result-stats {
        grid-template-columns: 1fr;
    }
    .panorama-result-stats button {
        width: 100%;
    }
    .panorama-blend-process {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 1180px) {
    .feature-matching-layout,
    .feature-panorama-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .match-stat-groups,
    .match-probe-grid,
    .match-ransac-side {
        grid-template-columns: 1fr;
    }
    .match-ransac-steps {
        grid-template-columns: 1fr;
    }
    .feature-chain-head {
        align-items: flex-start;
        flex-direction: column;
    }
    .match-view-toolbar {
        width: 100%;
    }
    .match-view-toolbar button {
        flex: 1;
        padding: 0 6px;
    }
    .match-canvas-shell {
        min-height: 260px;
    }
    .panorama-canvas-shell {
        height: clamp(340px, 78vw, 520px);
        min-height: 340px;
    }
    .panorama-mode-switch,
    .panorama-blend-process {
        grid-template-columns: 1fr;
    }
    .match-algorithm-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .feature-page[data-feature-mode="panorama"] {
        gap: 12px;
    }

    .feature-page[data-feature-mode="panorama"] .feature-hero {
        display: grid;
        gap: 10px;
        padding: 18px;
    }

    .feature-page[data-feature-mode="panorama"] .feature-hero > div {
        min-width: 0;
    }

    .feature-page[data-feature-mode="panorama"] .feature-hero strong {
        grid-row: 1;
        justify-self: start;
        padding: 6px 10px;
        font-size: 10px;
    }

    .feature-page[data-feature-mode="panorama"] .feature-hero h1 {
        margin-top: 4px;
        font-size: 28px;
        line-height: 1.15;
        word-break: keep-all;
    }

    .feature-page[data-feature-mode="panorama"] .feature-hero p {
        font-size: 13px;
        line-height: 1.6;
    }

    .feature-page[data-feature-mode="panorama"] .feature-tabs {
        flex-wrap: nowrap;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 7px;
        scrollbar-width: none;
    }

    .feature-page[data-feature-mode="panorama"] .feature-tabs::-webkit-scrollbar {
        display: none;
    }

    .feature-page[data-feature-mode="panorama"] .feature-tabs a {
        flex: 0 0 auto;
        min-height: 34px;
        padding: 0 12px;
        white-space: nowrap;
    }

    .feature-page[data-feature-mode="panorama"] .feature-panel {
        padding: 12px;
        border-radius: 15px;
    }

    .feature-page[data-feature-mode="panorama"] .feature-panorama-layout {
        gap: 12px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-controls {
        gap: 9px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-controls h2,
    .feature-page[data-feature-mode="panorama"] .panorama-stage h2,
    .feature-page[data-feature-mode="panorama"] .panorama-info h2 {
        font-size: 20px;
    }

    .feature-page[data-feature-mode="panorama"] [data-panorama-controls="camera"] {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 5px;
    }

    .feature-page[data-feature-mode="panorama"] [data-panorama-controls="camera"] > label {
        grid-column: 1 / -1;
    }

    .feature-page[data-feature-mode="panorama"] [data-panorama-controls="camera"] > button {
        min-height: 34px;
        padding: 0 7px;
        font-size: 10px;
    }

    .feature-page[data-feature-mode="panorama"] [data-panorama-controls="camera"] > button.feature-primary {
        grid-column: 1 / -1;
        min-height: 38px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-stage .feature-stage-head {
        display: grid;
        gap: 8px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-stage .status-pill {
        justify-self: start;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-view-toolbar {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-view-toolbar button {
        min-height: 38px;
        padding: 0 5px;
        font-size: 10px;
    }

    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] .panorama-mobile-capture {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 5px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-mobile-capture button {
        min-height: 34px;
        border: 1px solid #bfdbfe;
        border-radius: 10px;
        padding: 0 6px;
        color: #1d4ed8;
        font-size: 10px;
        font-weight: 900;
        background: #eff6ff;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-canvas-shell {
        height: 440px;
        min-height: 440px;
        padding: 8px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-canvas-shell canvas {
        inset: 8px;
        width: calc(100% - 16px);
        height: calc(100% - 16px) !important;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-result-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        padding: 8px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-result-stats .feature-stat-list {
        grid-column: 1 / -1;
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-page[data-feature-mode="panorama"] .panorama-result-stats button {
        min-height: 40px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-info {
        gap: 9px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-info .feature-boundary,
    .feature-page[data-feature-mode="panorama"] .panorama-info .feature-note {
        padding: 9px;
    }

    .feature-page[data-feature-mode="panorama"] .feature-flow-line {
        scroll-snap-type: x proximity;
    }

    .feature-page[data-feature-mode="panorama"] .feature-flow-line .flow-step {
        flex-basis: 122px;
        scroll-snap-align: start;
    }

    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] .feature-hero {
        display: none;
    }

    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] .feature-tabs {
        margin-top: 0;
    }

    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] .panorama-controls > div:first-child {
        display: none;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-mobile-toggle {
        display: block;
        width: 100%;
        min-height: 34px;
        border: 1px solid #bfdbfe;
        border-radius: 9px;
        padding: 0 10px;
        color: #1d4ed8;
        font-size: 11px;
        font-weight: 900;
        background: #eff6ff;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-camera-advanced,
    .feature-page[data-feature-mode="panorama"] .panorama-info-content {
        display: none;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-camera-advanced.is-open,
    .feature-page[data-feature-mode="panorama"] .panorama-info-content.is-open {
        display: contents;
    }

    .feature-page[data-feature-mode="panorama"] #cameraAdvancedToggle {
        grid-column: auto;
    }

    .feature-page[data-feature-mode="panorama"] [data-panorama-controls="camera"] > .feature-check-row {
        grid-column: 1 / 2;
        min-height: 34px;
        border: 1px solid #bfdbfe;
        border-radius: 9px;
        padding: 0 8px;
        font-size: 10px;
        background: #f8fbff;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-info {
        padding: 10px 12px;
    }

    .feature-page[data-feature-mode="panorama"] .panorama-info-content.is-open > div:first-child {
        margin-top: 3px;
    }

    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] .panorama-canvas-shell {
        height: 390px;
        min-height: 390px;
    }

    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] + .feature-flow,
    .feature-page[data-feature-mode="panorama"][data-panorama-mode="camera"] .feature-flow {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .match-algorithm-card,
    .feature-flow-line .flow-step:is(button),
    .distance-bar i,
    .match-inlier-meter i {
        transition: none;
    }
}