/* =================================================================
   DMS Fitness Explorer: Ras
   Modern Dark Scientific Theme
   ================================================================= */

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    /* Backgrounds — deep navy / charcoal */
    --bg-base: #070a14;
    --bg-app: #0a1020;
    --bg-section: #0f172a;
    --bg-card: #131a2c;
    --bg-card-2: #1a2238;
    --bg-card-hover: #1e2843;
    --bg-input: #0f1626;

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-strong: rgba(255, 255, 255, 0.12);
    --border-accent: rgba(125, 167, 255, 0.35);

    /* Text */
    --text-primary: #e6ecf5;
    --text-secondary: #aab4c8;
    --text-muted: #6c778f;
    --text-faint: #475063;

    /* Accents — viridis-inspired */
    --accent-blue: #7da7ff;
    --accent-teal: #5fb1b8;
    --accent-violet: #c084fc;
    --accent-yellow: #fde725;
    --accent-green: #5ec962;
    --accent-magenta: #c9356b;

    /* Property colors */
    --aa-hydrophobic: #7da7ff;
    --aa-aromatic:    #c084fc;
    --aa-polar:       #4ade80;
    --aa-positive:    #f87171;
    --aa-negative:    #fb923c;
    --aa-special:     #a3a3a3;
    --aa-stop:        #ef4444;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;

    --shadow-sm: 0 1px 3px rgba(0,0,0,0.30);
    --shadow-md: 0 6px 22px rgba(0,0,0,0.35);
    --shadow-lg: 0 18px 60px rgba(0,0,0,0.45);
    --shadow-glow: 0 0 60px rgba(125,167,255,0.15);

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-base);
    background-image:
        radial-gradient(1100px 600px at 75% -10%, rgba(125,167,255,0.08), transparent 60%),
        radial-gradient(900px 500px at 10% 30%, rgba(192,132,252,0.05), transparent 60%);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ----- Loading overlay ----- */
#loading-overlay {
    position: fixed; inset: 0;
    background: var(--bg-base);
    display: flex; align-items: center; justify-content: center;
    z-index: 9999;
    transition: opacity 0.4s;
}
#loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-content { text-align: center; max-width: 320px; padding: 0 20px; }
.loading-content h2 { font-size: 18px; font-weight: 500; margin-bottom: 8px; color: var(--text-primary); }
.loading-content p { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.loading-spinner {
    width: 40px; height: 40px;
    border: 2px solid rgba(125,167,255,0.15);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    margin: 0 auto 18px;
    animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-bar {
    width: 100%; height: 3px;
    background: rgba(255,255,255,0.05);
    border-radius: 999px; overflow: hidden;
}
.progress-fill {
    height: 100%; width: 0%;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-teal));
    transition: width 0.25s;
}

/* ----- Navigation ----- */
.navbar {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10, 16, 32, 0.85);
    backdrop-filter: saturate(140%) blur(14px);
    -webkit-backdrop-filter: saturate(140%) blur(14px);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 14px 28px;
    display: flex; align-items: center; justify-content: space-between;
    gap: 24px;
}
.nav-brand {
    display: flex; align-items: center; gap: 10px;
    font-weight: 600; font-size: 16px;
    letter-spacing: -0.01em;
}
.nav-icon {
    color: var(--accent-blue);
    font-size: 22px;
    text-shadow: 0 0 12px rgba(125,167,255,0.5);
}
.nav-title { color: var(--text-primary); }
.nav-subtitle {
    color: var(--accent-yellow);
    font-weight: 700;
    margin-left: 2px;
}
.nav-links { display: flex; gap: 4px; }
.nav-link {
    padding: 6px 14px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 13.5px; font-weight: 500;
    transition: var(--transition);
}
.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }
.nav-link.active {
    background: rgba(125,167,255,0.15);
    color: var(--accent-blue);
}

/* ----- Hero ----- */
.hero {
    position: relative;
    padding: 80px 0 60px;
    overflow: hidden;
}
.hero-bg {
    position: absolute; inset: 0;
    background: radial-gradient(1200px 500px at 50% 0%, rgba(125,167,255,0.10), transparent 60%);
    pointer-events: none;
}
.hero .container { position: relative; }
.hero-eyebrow {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--accent-blue);
    background: rgba(125,167,255,0.1);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 24px;
    border: 1px solid var(--border-accent);
}
.hero h1 {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    line-height: 1.05;
    letter-spacing: -0.025em;
    margin-bottom: 18px;
    background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-target {
    display: inline-block;
    background: linear-gradient(120deg, var(--accent-blue), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-left: 12px;
    font-style: italic;
    font-weight: 800;
}
.hero-tagline {
    font-size: 17px;
    color: var(--text-secondary);
    max-width: 720px;
    margin-bottom: 34px;
}

/* Scaffold display: WT residues + variable positions */
.scaffold-display {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 14px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.04);
    margin-bottom: 28px;
}
.scaffold-aa {
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 26px; height: 30px;
    font-family: var(--font-mono);
    font-size: 14px; font-weight: 600;
    border-radius: 6px;
    transition: var(--transition);
}
.scaffold-aa.fixed {
    color: var(--text-muted);
    background: rgba(255,255,255,0.025);
}
.scaffold-aa.variable {
    color: var(--accent-blue);
    background: rgba(125,167,255,0.12);
    border: 1px solid var(--border-accent);
    cursor: pointer;
    box-shadow: 0 0 12px rgba(125,167,255,0.15);
}
.scaffold-aa.variable.is-mutant {
    color: var(--accent-yellow);
    background: rgba(253,231,37,0.1);
    border-color: rgba(253,231,37,0.4);
    box-shadow: 0 0 12px rgba(253,231,37,0.2);
}
.scaffold-aa.variable:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 14px rgba(125,167,255,0.3);
}

.data-summary {
    display: flex; flex-wrap: wrap;
    gap: 28px;
    align-items: baseline;
}
.stat {
    display: inline-flex;
    flex-direction: column;
    gap: 2px;
}
.stat-value {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}
.stat-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ----- Sections ----- */
.section { padding: 60px 0; border-top: 1px solid var(--border); }
.section-header { margin-bottom: 28px; max-width: 760px; }
.section-header h2 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
    color: var(--text-primary);
}
.section-header p {
    font-size: 15px;
    color: var(--text-secondary);
}

/* ----- Cards ----- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.03);
    padding: 22px;
    margin-bottom: 24px;
    transition: var(--transition);
}
.card:hover { border-color: var(--border-strong); }
.card-header {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 16px;
}
.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}
.card-subtitle {
    font-size: 13px;
    color: var(--text-muted);
    flex: 1 1 100%;
}

/* ----- Selector card ----- */
.selector-card { padding: 22px; }
.selector-header {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 14px;
}
.selector-header h3 {
    font-size: 14px; font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}
.selector-controls { display: flex; align-items: center; gap: 16px; }
.toggle-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.toggle-label input { accent-color: var(--accent-blue); }

#selector-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}
.selector-position {
    background: var(--bg-card-2);
    border-radius: var(--radius-sm);
    padding: 12px;
    border: 1px solid var(--border);
}
.selector-position-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 8px;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}
.selector-pos-label { font-weight: 600; color: var(--text-secondary); }
.selector-aa-grid { display: flex; flex-wrap: wrap; gap: 4px; }
.selector-aa-chip {
    width: 28px; height: 28px;
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}
.selector-aa-chip:hover {
    background: rgba(125,167,255,0.12);
    color: var(--accent-blue);
    border-color: var(--border-accent);
    transform: translateY(-1px);
}
.selector-aa-chip.selected {
    background: linear-gradient(140deg, var(--accent-blue), var(--accent-teal));
    color: #0a1020;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(125,167,255,0.4);
}
.selector-aa-chip.wt {
    border-color: rgba(253,231,37,0.4);
}
.selector-aa-chip.wt::after {
    content: ''; position: absolute;
}

.filter-summary {
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-secondary);
    display: flex; flex-wrap: wrap; gap: 12px;
    align-items: center;
}
.filter-chip {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(125,167,255,0.12);
    border: 1px solid var(--border-accent);
    color: var(--accent-blue);
    padding: 4px 10px;
    border-radius: 999px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
}
.filter-summary-text strong { color: var(--text-primary); }

/* ----- Buttons & inputs ----- */
.btn {
    border: 1px solid var(--border-strong);
    background: var(--bg-card-2);
    color: var(--text-primary);
    padding: 7px 14px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.btn:hover { background: var(--bg-card-hover); border-color: var(--border-accent); }
.btn-sm { padding: 6px 12px; font-size: 12.5px; }
.btn-xs { padding: 4px 10px; font-size: 11.5px; border-radius: 6px; }
.btn-outline { background: transparent; }
.scale-toggle { display: flex; gap: 4px; padding: 4px; background: var(--bg-card-2); border-radius: 8px; border: 1px solid var(--border); }
.scale-toggle .btn {
    border: none; background: transparent;
    color: var(--text-muted);
}
.scale-toggle .btn.active {
    background: linear-gradient(140deg, var(--accent-blue), var(--accent-teal));
    color: #0a1020;
}

.input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 9px 14px;
    border-radius: 8px;
    font-family: inherit;
    font-size: 13.5px;
    transition: var(--transition);
    outline: none;
}
.input:focus { border-color: var(--border-accent); box-shadow: 0 0 0 3px rgba(125,167,255,0.1); }
.input::placeholder { color: var(--text-muted); }
.input-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23aab4c8' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 30px;
}

/* ----- Plot containers ----- */
.viz-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    margin-bottom: 0;
}
.viz-row > .card { margin-bottom: 24px; }
@media (max-width: 1100px) { .viz-row { grid-template-columns: 1fr; } }
.viz-card-wide { /* grid handles sizing */ }
.plot-container {
    width: 100%;
    height: 460px;
    border-radius: 8px;
    background: var(--bg-card-2);
    overflow: hidden;
    padding: 6px;
    border: 1px solid var(--border);
}
.viz-card .plot-container { height: 460px; }
.viz-card-wide .plot-container { height: 460px; }

/* ----- 3D structure section ----- */
.structure-controls { display: flex; align-items: center; gap: 12px; }
.structure-pdb-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-muted);
    background: var(--bg-card-2);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--border);
}
.structure-pdb-label strong { color: var(--accent-blue); }

.structure-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 22px;
}
@media (max-width: 1000px) { .structure-layout { grid-template-columns: 1fr; } }

.structure-viewer-wrap {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}
.viewer-3dmol-container {
    width: 100%;
    height: 600px;
    background: #0a1020;
    position: relative;
}
.viewer-error {
    color: var(--text-muted);
    padding: 60px 30px;
    text-align: center;
    font-size: 14px;
}

.structure-hover-tooltip {
    position: absolute;
    bottom: 14px; left: 14px;
    background: rgba(10, 16, 32, 0.92);
    color: var(--text-primary);
    padding: 8px 14px;
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    border: 1px solid var(--border-strong);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.15s;
    pointer-events: none;
    z-index: 5;
}
.structure-hover-tooltip.visible { opacity: 1; }

.structure-legend {
    background: var(--bg-card-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px;
    display: flex; flex-direction: column; gap: 16px;
    max-height: 600px;
    overflow-y: auto;
}
.legend-title {
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}
.legend-info {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.55;
}
.legend-info .info-emph {
    display: inline-block;
    color: var(--accent-yellow);
    font-weight: 600;
}
.legend-residues, .legend-contacts { display: flex; flex-direction: column; gap: 6px; }
.legend-residue {
    display: grid;
    grid-template-columns: 30px 14px 22px 1fr auto;
    align-items: center;
    gap: 8px;
    padding: 7px 8px;
    border-radius: 6px;
    transition: var(--transition);
    cursor: pointer;
    background: rgba(255,255,255,0.02);
    border: 1px solid transparent;
}
.legend-residue:hover { background: rgba(255,255,255,0.05); border-color: var(--border); }
.legend-residue.is-mutant {
    background: rgba(201, 53, 107, 0.08);
    border-color: rgba(201, 53, 107, 0.3);
}
.legend-residue.is-focused {
    background: rgba(255, 209, 102, 0.10);
    border-color: rgba(255, 209, 102, 0.45);
    box-shadow: 0 0 12px rgba(255, 209, 102, 0.15);
}
.legend-residue.is-focused .legend-residue-aa { color: #ffd166; }
.legend-residue-pos {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}
.legend-residue-swatch {
    width: 14px; height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(255,255,255,0.15);
}
.legend-residue-aa {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary);
}
.legend-residue-name {
    font-size: 12px;
    color: var(--text-secondary);
}
.legend-residue-fitness {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--accent-yellow);
    font-weight: 600;
}
.legend-gradient { margin: 4px 0; }
.gradient-bar {
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(90deg, #440154 0%, #3b528b 25%, #21918c 50%, #5ec962 75%, #fde725 100%);
    margin-bottom: 6px;
}
.gradient-labels {
    display: flex; justify-content: space-between;
    font-size: 10.5px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.legend-subtitle {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* ----- Sequence Logo ----- */
.logo-container { padding: 20px 16px 14px; height: 460px; display: flex; flex-direction: column; }
.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    height: 100%;
    align-items: end;
}
.logo-column {
    display: flex; flex-direction: column;
    align-items: center;
    height: 100%;
    min-height: 0;
}
.logo-stack {
    flex: 1;
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
    min-height: 0;
}
.logo-letter {
    display: inline-block;
    font-family: var(--font-mono);
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    transition: filter 0.15s, transform 0.15s;
    letter-spacing: -0.05em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.logo-letter:hover {
    filter: brightness(1.4) drop-shadow(0 0 8px currentColor);
    transform: scale(1.08);
}
.logo-letter.selected {
    filter: drop-shadow(0 0 8px currentColor);
}
.logo-letter.wt { text-decoration: underline; text-decoration-color: rgba(253,231,37,0.6); text-underline-offset: 2px; }
.logo-position {
    margin-top: 8px;
    text-align: center;
}
.logo-pos-num {
    display: block;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}
.logo-pos-pdb {
    display: block;
    font-family: var(--font-mono);
    font-size: 10.5px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}
.logo-caption {
    font-size: 11.5px;
    color: var(--text-muted);
    text-align: center;
    margin-top: 12px;
    line-height: 1.5;
}

/* ----- Delta summary stats ----- */
.delta-summary {
    display: flex;
    gap: 28px;
    padding: 8px 12px 14px;
    flex-wrap: wrap;
}
.delta-stat {
    font-size: 13px;
    color: var(--text-secondary);
}
.delta-stat-value {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--accent-yellow);
    margin: 0 4px;
}

/* ----- Pairwise grid ----- */
.pairwise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}
@media (max-width: 1100px) { .pairwise-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 700px)  { .pairwise-grid { grid-template-columns: 1fr; } }
.pairwise-plot { height: 280px; }

/* ----- Table ----- */
.table-controls {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 14px;
}
.search-box { flex: 1 1 250px; }
.search-box input { width: 100%; }
.table-actions { display: flex; gap: 10px; }
.table-info {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-family: var(--font-mono);
}
.table-wrapper {
    max-height: 560px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-card-2);
}
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
.data-table thead {
    position: sticky; top: 0; z-index: 2;
    background: var(--bg-card-2);
    backdrop-filter: blur(6px);
}
.data-table th {
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 11.5px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-strong);
    cursor: default;
    white-space: nowrap;
}
.data-table th.sortable { cursor: pointer; transition: color 0.2s; }
.data-table th.sortable:hover { color: var(--text-primary); }
.data-table th.active-sort { color: var(--accent-yellow); }
.data-table td {
    padding: 8px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
    vertical-align: middle;
}
.data-table tr:hover td { background: rgba(125,167,255,0.06); color: var(--text-primary); }
.data-table .seq-cell { font-family: var(--font-mono); letter-spacing: 0.04em; }
.data-table .var-aa {
    color: var(--accent-yellow);
    font-weight: 700;
    background: rgba(253,231,37,0.1);
    padding: 1px 3px;
    border-radius: 3px;
    margin: 0 1px;
}
.fitness-cell {
    font-family: var(--font-mono);
    font-weight: 600;
    color: var(--accent-blue);
}
.row-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-right: 4px;
}
.row-tag.tag-top { background: rgba(94,201,98,0.15); color: var(--accent-green); }
.row-tag.tag-stop { background: rgba(239,68,68,0.15); color: var(--aa-stop); }
.row-tag.tag-wt { background: rgba(253,231,37,0.15); color: var(--accent-yellow); }
.table-sentinel { height: 1px; }

/* ----- Statistics & ranked lists ----- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
@media (max-width: 850px) { .stats-grid { grid-template-columns: 1fr; } }
.ranked-list {
    max-height: 460px;
    overflow-y: auto;
    display: flex; flex-direction: column;
    gap: 4px;
}
.ranked-item {
    display: grid;
    grid-template-columns: 50px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 6px;
    transition: var(--transition);
    background: rgba(255,255,255,0.02);
    border: 1px solid transparent;
}
.ranked-item:hover { background: rgba(125,167,255,0.06); border-color: var(--border); }
.ranked-rank {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-muted);
    font-weight: 600;
}
.ranked-seq {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-primary);
    letter-spacing: 0.04em;
}
.ranked-fitness {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-blue);
    font-weight: 600;
}

/* ----- Footer ----- */
.footer {
    padding: 40px 0;
    margin-top: 60px;
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

/* ----- Plotly modebar overrides ----- */
.modebar { display: none !important; }