/* ==================================================================
   Monte Carlo PTA Explained — page-specific styles
   Follows the poppk.css precedent: shared teaching-UI rules are
   copied here (not linked from poppk.css) so this page stays
   independent. Base theme variables come from styles.css.
   ================================================================== */

.mc-page .card {
    scroll-margin-top: 80px;
}

.mc-intro-lede {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 14px;
}

.mc-intro-lede:last-child {
    margin-bottom: 0;
}

.mc-intro-lede strong {
    color: var(--text-primary);
}

/* ---- Controls (copied pattern from poppk.css) ---- */

.mc-controls-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.control-group {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    margin-bottom: 14px;
}

.control-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-cyan);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.slider-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 12px;
}

.slider-row:last-child {
    margin-bottom: 0;
}

.slider-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.slider-value {
    font-weight: 600;
    color: var(--accent-blue);
    font-variant-numeric: tabular-nums;
    min-width: 60px;
    text-align: right;
}

.mc-page input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

.mc-page input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 6px rgba(88, 166, 255, 0.4);
    transition: transform 0.15s ease;
}

.mc-page input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.mc-page input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--accent-blue);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    box-shadow: 0 0 6px rgba(88, 166, 255, 0.4);
}

/* ---- Buttons (pattern from poppk.css snapshot-btn) ---- */

.mc-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    font-size: 0.8rem;
    font-weight: 600;
    background: var(--accent-purple);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.mc-btn:hover:not(:disabled) {
    opacity: 0.85;
    transform: translateY(-1px);
}

.mc-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mc-btn.blue {
    background: var(--accent-blue-dim);
}

.mc-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

.mc-run-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.mc-run-status strong {
    color: var(--accent-blue);
}

/* ---- Chart containers (copied from poppk.css) ---- */

.chart-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 16px;
    position: relative;
    margin-bottom: 14px;
}

.chart-container canvas {
    width: 100% !important;
    height: 300px !important;
}

/* ---- Teaching callouts (copied from poppk.css) ---- */

.teaching-callout {
    background: var(--bg-secondary);
    border-left: 3px solid var(--accent-purple);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 12px 16px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 14px;
}

.teaching-callout:last-child {
    margin-bottom: 0;
}

.teaching-callout strong {
    color: var(--accent-purple);
}

.teaching-callout.tip {
    border-left-color: var(--accent-green);
}

.teaching-callout.tip strong {
    color: var(--accent-green);
}

.teaching-callout.warning {
    border-left-color: var(--accent-orange);
}

.teaching-callout.warning strong {
    color: var(--accent-orange);
}

/* ---- Stats panels (copied pattern from poppk.css) ---- */

.stats-panel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 14px;
}

.stats-panel.four {
    grid-template-columns: repeat(4, 1fr);
}

.stat-item {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-sm);
    padding: 10px;
    text-align: center;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

.stat-value.good {
    color: var(--accent-green);
}

.stat-value.bad {
    color: var(--accent-red);
}

.stat-value.warn {
    color: var(--accent-orange);
}

.stat-value.neutral {
    color: var(--accent-blue);
}

/* ---- PASS / FAIL badge (section 4) ---- */

.mc-badge {
    display: inline-block;
    padding: 4px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.mc-badge.pass {
    background: rgba(63, 185, 80, 0.15);
    border-color: var(--accent-green);
    color: var(--accent-green);
}

.mc-badge.fail {
    background: rgba(248, 81, 73, 0.15);
    border-color: var(--accent-red);
    color: var(--accent-red);
}

/* ---- Captions & zone legend ---- */

.mc-caption {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    line-height: 1.5;
    margin-top: -6px;
    margin-bottom: 14px;
}

.mc-zone-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

.mc-zone-legend .swatch {
    display: inline-block;
    width: 11px;
    height: 11px;
    border-radius: 2px;
    margin-right: 5px;
    vertical-align: -1px;
}

.swatch.red { background: rgba(248, 81, 73, 0.75); }
.swatch.green { background: rgba(63, 185, 80, 0.75); }
.swatch.orange { background: rgba(210, 153, 34, 0.85); }

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .chart-container canvas {
        height: 250px !important;
    }

    .stats-panel,
    .stats-panel.four {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .stats-panel,
    .stats-panel.four {
        grid-template-columns: 1fr 1fr;
    }

    .mc-controls-row {
        gap: 8px;
    }
}