/* Monte Carlo interactive demo */

.mc-demo {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin-top: 0.5rem;
}

.mc-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: var(--surface);
}

.mc-controls label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.mc-controls output {
    font-variant-numeric: tabular-nums;
    min-width: 2.6em;
    color: var(--accent);
}

.mc-controls input[type="range"] {
    accent-color: var(--accent);
    width: 10rem;
    max-width: 40vw;
}

.mc-controls button {
    margin-left: auto;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--accent-strong);
    border: none;
    border-radius: 999px;
    padding: 0.5rem 1.1rem;
    cursor: pointer;
    transition: background 0.15s ease, transform 0.15s ease;
}

.mc-controls button:hover,
.mc-controls button:focus-visible {
    background: var(--accent);
    transform: translateY(-1px);
}

.mc-chart {
    margin: 0;
    padding: 1.1rem 1.1rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: var(--surface);
}

.mc-chart figcaption {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    margin-bottom: 0.6rem;
}

.mc-chart figcaption strong {
    font-size: 0.95rem;
    color: var(--text);
}

.mc-chart .mc-sub {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.mc-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.1rem;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.mc-legend span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.mc-key {
    display: inline-block;
    width: 16px;
    height: 0;
    border-top: 2px solid currentColor;
    border-radius: 2px;
}

.mc-key--violet { color: var(--accent); }
.mc-key--teal { color: #34d399; }
.mc-key--gray { color: #6f6b82; }
.mc-key--dash {
    color: var(--text-muted);
    border-top-style: dashed;
}

.mc-canvas-wrap {
    position: relative;
    width: 100%;
    height: 300px;
    outline: none;
    touch-action: pan-y;
}

.mc-canvas-wrap:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
    border-radius: 4px;
}

.mc-canvas-wrap canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.mc-crosshair {
    position: absolute;
    top: 0;
    width: 1px;
    background: var(--border-strong);
    pointer-events: none;
    display: none;
}

.mc-tip {
    position: absolute;
    z-index: 3;
    min-width: 10rem;
    padding: 0.5rem 0.65rem;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
    font-size: 0.72rem;
    line-height: 1.45;
    color: var(--text-secondary);
    pointer-events: none;
    display: none;
}

.mc-tip-head {
    color: var(--text-muted);
    margin-bottom: 0.2rem;
}

.mc-tip-row {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
}

.mc-tip-row .mc-key {
    width: 12px;
    flex: none;
}

.mc-tip-row strong {
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.mc-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.mc-stat {
    padding: 0.8rem 1rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: var(--surface);
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.mc-stat .mc-stat-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
}

.mc-stat .mc-stat-value {
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--text);
}

.mc-stat .mc-stat-note {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.mc-noscript {
    padding: 0.9rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

@media (max-width: 700px) {
    .mc-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .mc-controls button {
        margin-left: 0;
    }
}

/* Key results cards */

.mc-theorems {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.mc-theorem {
    padding: 1.4rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 1rem;
    background: var(--surface);
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.mc-theorem .tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-tint);
    border-radius: 999px;
    padding: 0.25rem 0.7rem;
    margin-bottom: 0.6rem;
}

.mc-theorem h3 {
    font-size: 1.05rem;
    margin-bottom: 0.35rem;
}

.mc-theorem p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.mc-formula {
    margin: 0.7rem 0;
    padding: 0.75rem 1rem;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.05rem;
    color: var(--text);
    overflow-x: auto;
    white-space: nowrap;
}

.mc-formula var {
    font-style: italic;
}