/* ============================================================
   Code Brilliance - The Lab
   Builds on css/case-study.css for layout and header.
   ============================================================ */

.lab-intro {
    max-width: 70ch;
}

/* Anchored Lab cards clear the sticky header. */
.lab-card {
    scroll-margin-top: 96px;
}

.lab-back {
    margin: 0 0 34px;
    font-size: 13px;
    letter-spacing: 1.2px;
    text-transform: uppercase;
}

.lab-back a {
    color: var(--cb-muted);
    text-decoration: none;
}

.lab-back a:hover,
.lab-back a:focus-visible {
    color: var(--cb-cyan);
}

.lab-intro p {
    color: var(--cb-muted);
    font-size: clamp(1.02rem, 1.8vw, 1.2rem);
}

.lab-note {
    display: inline-block;
    margin-bottom: 34px;
    padding: 9px 15px;
    border: 1px solid rgba(20, 236, 213, 0.3);
    border-radius: 999px;
    color: var(--cb-cyan);
    font-size: 12px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
}

.lab-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin: 0 0 70px;
}

.lab-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--cb-line);
    border-radius: 18px;
    background: #080d16;
    overflow: hidden;
}

.lab-card-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    padding: 22px 24px 14px;
}

.lab-card-head h2 {
    margin: 0;
    font-size: 19px;
    letter-spacing: 0.3px;
}

.lab-card-head h2::after {
    display: none;
}

.lab-index {
    color: var(--cb-cyan);
    font-size: 12px;
    letter-spacing: 2px;
}

.lab-card p {
    margin: 0 0 18px;
    padding: 0 24px;
    color: var(--cb-muted);
    font-size: 14.5px;
    line-height: 1.6;
}

.lab-stage {
    position: relative;
    margin: 0 24px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.07);
    background: #05080e;
}

.lab-stage canvas {
    display: block;
    width: 100%;
    height: 260px;
    touch-action: pan-y;
}

.lab-fallback {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    color: var(--cb-muted);
    font-size: 14px;
}

.lab-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    padding: 18px 24px 24px;
}

.lab-controls .cs-btn {
    min-height: 40px;
    padding: 9px 18px;
    font-size: 12px;
}

.lab-scramble-text {
    flex: 1 1 100%;
    margin: 0;
    font-size: 20px;
    letter-spacing: 0.5px;
    color: var(--cb-ink);
}

.lab-scramble-text::before {
    content: "> ";
    color: var(--cb-cyan);
}

.lab-details {
    margin: 0 24px 24px;
    border-top: 1px solid var(--cb-line);
    padding-top: 14px;
}

.lab-details summary {
    cursor: pointer;
    color: var(--cb-muted);
    font-size: 12px;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    list-style: none;
}

.lab-details summary::-webkit-details-marker {
    display: none;
}

.lab-details summary::before {
    content: "+";
    display: inline-block;
    width: 16px;
    color: var(--cb-cyan);
}

.lab-details[open] summary::before {
    content: "\2212";
}

.lab-details summary:hover {
    color: var(--cb-cyan);
}

.lab-details pre {
    margin: 14px 0 0;
    padding: 16px;
    max-height: 320px;
    overflow: auto;
    border-radius: 12px;
    background: #04070d;
    border: 1px solid var(--cb-line);
    color: #a9e8df;
    font-size: 12px;
    line-height: 1.6;
    font-family: ui-monospace, SFMono-Regular, Consolas, 'Courier New', monospace;
    -webkit-overflow-scrolling: touch;
}

.lab-details code {
    font-family: inherit;
}

.lab-footer-note {
    max-width: 68ch;
    color: var(--cb-muted);
    border-top: 1px solid var(--cb-line);
    padding-top: 26px;
}

.lab-footer-note a {
    color: var(--cb-cyan);
}

@media (max-width: 860px) {
    .lab-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 560px) {
    .lab-stage,
    .lab-details {
        margin-left: 16px;
        margin-right: 16px;
    }

    .lab-card-head,
    .lab-card p,
    .lab-controls {
        padding-left: 16px;
        padding-right: 16px;
    }

    .lab-stage canvas {
        height: 220px;
    }
}