/* ── Output Example Demo ──────────────────────────────── */
.demo-section {
    margin: 0 0 var(--space-xl);
}

/* ── Toggle button ───────────────────────────────────── */
.demo-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    font-family: inherit;
    font-size: var(--text-md);
    font-weight: 500;
    padding: var(--space-sm) var(--space-md);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}

.demo-toggle:hover {
    color: var(--text);
    background: var(--btn-hover-bg);
}

.demo-toggle.active {
    color: var(--teal);
    border-color: var(--btn-active-border);
    background: var(--btn-active-bg);
}

.demo-toggle-arrow {
    display: inline-block;
    transition: transform 0.2s;
    font-size: var(--text-sm);
}

.demo-toggle.active .demo-toggle-arrow {
    transform: rotate(90deg);
}

/* ── Collapsible content ─────────────────────────────── */
.demo-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease;
}

.demo-content.open {
    grid-template-rows: 1fr;
}

.demo-content-inner {
    overflow: hidden;
}

/* ── Card ────────────────────────────────────────────── */
.demo-card {
    border-radius: 12px;
    border: 1px solid var(--border);
    padding: var(--space-lg);
    margin-top: var(--space-md);
    position: relative;
    overflow: hidden;
}

/* ── Title row ──────────────────────────────────────── */
.demo-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.demo-title-row h3 {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0;
}

.demo-title-left {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
}

.demo-clip-setup {
    font-size: var(--text-md);
    font-weight: 400;
    color: var(--text-dim);
}

/* ── Device selector ────────────────────────────────── */
.demo-device-selector {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-md);
}

/* ── Video with overlay arrows ───────────────────────── */
.demo-video-wrap {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    margin-bottom: var(--space-sm);
}

.demo-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.demo-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.8);
    font-size: var(--text-sm);
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    font-family: inherit;
}

.demo-arrow-left {
    left: var(--space-md);
}

.demo-arrow-right {
    right: var(--space-md);
}

.demo-arrow:hover:not(:disabled) {
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
}

.demo-arrow:disabled {
    opacity: 0.25;
    cursor: default;
}

/* ── Card content ────────────────────────────────────── */
.demo-prompt {
    font-size: var(--text-md);
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.demo-prompt strong {
    color: var(--text);
}

.demo-citation {
    font-size: var(--text-sm);
    color: var(--text-dim);
    margin-top: var(--space-md);
    line-height: 1.5;
}

.demo-citation a {
    color: var(--text-dim);
    text-decoration: underline;
}

.demo-citation a:hover {
    color: var(--text-muted);
}

/* ── Side-by-side outputs ────────────────────────────── */
.demo-outputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.demo-output {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: var(--space-md);
    line-height: 1.6;
    font-size: var(--text-md);
    color: var(--text);
}

.demo-output-model {
    display: block;
    font-size: var(--text-md);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-dim);
    margin-bottom: var(--space-sm);
}

.demo-output-tps {
    display: block;
    font-size: var(--text-md);
    font-weight: 700;
    color: var(--text-dim);
    margin-bottom: var(--space-sm);
}

.demo-output-tps.oom {
    color: var(--red);
}

.demo-output-text {
    color: var(--text-muted);
    font-size: var(--text-md);
}

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    .demo-outputs {
        grid-template-columns: 1fr;
    }

    .demo-title-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .demo-arrow {
        width: 28px;
        height: 28px;
        font-size: var(--text-sm);
    }
}