/* ================================================================
   Category Scales — Scatter Plot + Spectrum Page
   Prefix: .scales-
   ================================================================ */

/* ── Custom Properties ─────────────────────────────────────────── */
.scales-page {
    --scales-radius: 10px;
    --scales-radius-lg: 14px;
    --scales-shadow: 0 1px 3px rgba(0,0,0,0.07), 0 4px 12px rgba(0,0,0,0.04);
    --scales-shadow-hover: 0 2px 6px rgba(0,0,0,0.09), 0 8px 24px rgba(0,0,0,0.06);
    --scales-border: rgba(128,128,128,0.12);
    --scales-surface: var(--bg-alt);
    --scales-glass: rgba(255,255,255,0.55);
    --scales-glass-border: rgba(255,255,255,0.3);
    --scales-text: var(--text);
    --scales-text-dim: var(--text-dim);
    --scales-text-muted: var(--text-muted);
    --scales-class-color: var(--category-default);
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
    font-family: 'DM Sans', 'Helvetica Neue', system-ui, sans-serif;
}

body.dark .scales-page {
    --scales-shadow: 0 1px 3px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.18);
    --scales-shadow-hover: 0 2px 6px rgba(0,0,0,0.35), 0 8px 24px rgba(0,0,0,0.22);
    --scales-border: rgba(255,255,255,0.07);
    --scales-glass: rgba(30,30,30,0.55);
    --scales-glass-border: rgba(255,255,255,0.08);
}

/* Map data-class to category colors */
.scales-page[data-class="psychedelic"]     { --scales-class-color: var(--category-psychedelic); }
.scales-page[data-class="stimulant"]       { --scales-class-color: var(--category-stimulant); }
.scales-page[data-class="dissociative"]    { --scales-class-color: var(--category-dissociative); }
.scales-page[data-class="opioid"]          { --scales-class-color: var(--category-opioid); }
.scales-page[data-class="benzodiazepine"]  { --scales-class-color: var(--category-benzodiazepine); }
.scales-page[data-class="empathogen"]      { --scales-class-color: var(--category-empathogen); }


/* ── Hero Section ──────────────────────────────────────────────── */
.scales-hero {
    text-align: center;
    padding: 2.5rem 0 1.5rem;
}

.scales-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 0.35rem;
    color: var(--scales-text);
}

.scales-subtitle {
    font-size: 0.95rem;
    color: var(--scales-text-muted);
    margin: 0 0 1.5rem;
    font-weight: 400;
}

/* ── Nav Pills ─────────────────────────────────────────────────── */
.scales-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.4rem;
}

.scales-nav-pill {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    color: var(--scales-text-dim);
    background: var(--scales-surface);
    border: 1px solid var(--scales-border);
    transition: all 0.2s linear;
}

.scales-nav-pill:hover {
    border-color: var(--scales-class-color);
    color: var(--scales-text);
    box-shadow: 0 0 0 1px var(--scales-class-color);
}

.scales-nav-pill.active {
    background: var(--scales-class-color);
    color: #fff;
    border-color: var(--scales-class-color);
    font-weight: 600;
}

body.dark .scales-nav-pill.active {
    color: #111;
}


/* ── Charts Grid ───────────────────────────────────────────────── */
.scales-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.scales-chart-section {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.scales-chart-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--scales-text);
    margin: 0;
    padding-left: 0.25rem;
}

.scales-chart-card {
    background: var(--scales-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--scales-radius-lg);
    border: 1px solid var(--scales-glass-border);
    padding: 1rem 1rem 0.75rem;
    box-shadow: var(--scales-shadow);
    transition: box-shadow 0.2s linear;
}

.scales-chart-card:hover {
    box-shadow: var(--scales-shadow-hover);
}

.scales-scatter-canvas {
    width: 100% !important;
    height: auto !important;
}


/* ── Section Titles ────────────────────────────────────────────── */
.scales-section-title {
    font-size: 1.35rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--scales-text);
    margin: 0 0 1rem;
}


/* ── Intensity Spectrum ────────────────────────────────────────── */
.scales-spectrum-section {
    margin-bottom: 2.5rem;
}

.scales-spectrum-bar {
    position: relative;
    height: 40px;
    border-radius: var(--scales-radius);
    background: linear-gradient(
        to right,
        rgba(128,128,128, 0.08),
        var(--scales-class-color)
    );
    margin-bottom: 0.35rem;
    cursor: default;
    overflow: visible;
}

body.dark .scales-spectrum-bar {
    background: linear-gradient(
        to right,
        rgba(255,255,255, 0.03),
        var(--scales-class-color)
    );
}

.scales-spectrum-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--scales-text-muted);
    font-family: 'JetBrains Mono', monospace;
    padding: 0 0.25rem;
    margin-bottom: 1.5rem;
}

/* Spectrum markers */
.scales-spectrum-marker {
    position: absolute;
    top: 50%;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.85);
    border: 1.5px solid rgba(0,0,0,0.25);
    transform: translate(-50%, -50%);
    cursor: pointer;
    transition: transform 0.15s linear;
    z-index: 1;
}

body.dark .scales-spectrum-marker {
    background: rgba(220,220,220,0.8);
    border-color: rgba(255,255,255,0.3);
}

.scales-spectrum-marker:hover {
    transform: translate(-50%, -50%) scale(1.5);
    z-index: 5;
}

.scales-spectrum-marker.major {
    width: 12px;
    height: 12px;
    background: #fff;
    border: 2px solid rgba(0,0,0,0.35);
    z-index: 2;
}

body.dark .scales-spectrum-marker.major {
    background: #e0e0e0;
    border-color: rgba(255,255,255,0.4);
}

.scales-spectrum-label {
    position: absolute;
    bottom: calc(100% + 4px);
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
    color: var(--scales-text-dim);
    pointer-events: none;
}


/* ── Level Cards Grid ──────────────────────────────────────────── */
.scales-level-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.scales-level-card {
    background: var(--scales-surface);
    border-radius: var(--scales-radius);
    border: 1px solid var(--scales-border);
    padding: 0.75rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.scales-level-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--scales-class-color);
    opacity: 0.85;
}

.scales-level-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--scales-text);
}

.scales-level-desc {
    font-size: 0.78rem;
    color: var(--scales-text-muted);
    margin: 0;
    line-height: 1.45;
}


/* ── Substance Table ───────────────────────────────────────────── */
.scales-table-section {
    margin-bottom: 2rem;
}

.scales-table-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 0.85rem;
}

.scales-filter-input {
    display: block;
    width: 100%;
    max-width: 280px;
    padding: 0.45rem 0.75rem;
    border-radius: var(--scales-radius);
    border: 1px solid var(--scales-border);
    background: var(--scales-surface);
    color: var(--scales-text);
    font-size: 0.85rem;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s;
}

.scales-filter-input::placeholder {
    color: var(--scales-text-muted);
}

.scales-filter-input:focus {
    border-color: var(--scales-class-color);
    box-shadow: 0 0 0 2px rgba(128,128,128,0.08);
}

.scales-show-controls {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.scales-show-label {
    font-size: 0.78rem;
    color: var(--scales-text-muted);
    white-space: nowrap;
}

.scales-show-label strong {
    color: var(--scales-text-dim);
    font-weight: 600;
}

.scales-show-btns {
    display: flex;
    gap: 0.3rem;
}

.scales-show-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid var(--scales-border);
    background: var(--scales-surface);
    color: var(--scales-text-dim);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s linear;
    padding: 0;
    line-height: 1;
}

.scales-show-btn:hover:not(:disabled) {
    border-color: var(--scales-class-color);
    color: var(--scales-class-color);
}

.scales-show-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.scales-show-btn-text {
    width: auto;
    padding: 0 0.5rem;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.scales-td-rank {
    color: var(--scales-text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    width: 2rem;
    text-align: center;
}

.scales-table-wrap {
    overflow-x: auto;
    border-radius: var(--scales-radius);
    border: 1px solid var(--scales-border);
}

.scales-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.scales-table thead {
    background: var(--scales-surface);
}

.scales-table th {
    text-align: left;
    padding: 0.6rem 0.85rem;
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--scales-text-muted);
    border-bottom: 1px solid var(--scales-border);
    white-space: nowrap;
}

.scales-table td {
    padding: 0.55rem 0.85rem;
    border-bottom: 1px solid var(--scales-border);
    color: var(--scales-text-dim);
}

.scales-table tbody tr:last-child td {
    border-bottom: none;
}

.scales-table tbody tr:hover {
    background: rgba(128,128,128,0.04);
}

body.dark .scales-table tbody tr:hover {
    background: rgba(255,255,255,0.03);
}

.scales-table a {
    color: var(--scales-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s;
}

.scales-table a:hover {
    color: var(--scales-class-color);
}

.scales-th-score {
    text-align: center;
}

.scales-td-score {
    text-align: center;
    white-space: nowrap;
}

.scales-td-muted {
    color: var(--scales-text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

.scales-avg-badge {
    display: inline-block;
    min-width: 2.2rem;
    padding: 0.15rem 0.45rem;
    border-radius: 6px;
    background: var(--scales-class-color);
    color: #fff;
    font-weight: 600;
    font-size: 0.78rem;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
}

body.dark .scales-avg-badge {
    color: #111;
}

.scales-intensity-label {
    display: inline-block;
    margin-left: 0.4rem;
    font-size: 0.75rem;
    color: var(--scales-text-muted);
    font-weight: 400;
}


/* ── Responsive ────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .scales-charts-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .scales-title {
        font-size: 1.5rem;
    }

    .scales-hero {
        padding: 1.5rem 0 1rem;
    }

    .scales-level-grid {
        grid-template-columns: 1fr 1fr;
    }

    .scales-nav-pill {
        font-size: 0.75rem;
        padding: 0.3rem 0.7rem;
    }

    .scales-table-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .scales-filter-input {
        max-width: 100%;
    }

    .scales-show-controls {
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .scales-page {
        padding: 0 0.5rem 2rem;
    }

    .scales-level-grid {
        grid-template-columns: 1fr;
    }

    .scales-chart-card {
        padding: 0.65rem 0.5rem 0.5rem;
    }

    .scales-filter-input {
        max-width: 100%;
    }

    .scales-table th,
    .scales-table td {
        padding: 0.45rem 0.5rem;
    }

    .scales-spectrum-label {
        font-size: 0.55rem;
    }
}