/* Demos inherit site tokens; use this file for the shared experiment shell. */
.demo-header { padding: 44px 0 28px; max-width: 850px; }
.demo-header .back-link { margin-bottom: 30px; }
.demo-header h1 { font-size: clamp(2.3rem, 4.5vw, 3.7rem); margin-bottom: 20px; }
.demo-header p:not(.eyebrow) { color: var(--muted); max-width: 68ch; }
.demo-workspace { border-top: 1px solid var(--line); padding-top: 28px; }
.control-group { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
.slider-control label { display: block; font-size: .8rem; font-weight: 600; line-height: 1.6; }
.slider-readout { display: block; font-size: .75rem; color: var(--muted); font-weight: 400; }
input[type='range'] { width: 100%; margin: 16px 0 8px; accent-color: var(--accent); min-height: 28px; cursor: pointer; }
.math-display { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 14px 36px; border-block: 1px solid var(--line); padding: 18px 0; font-size: .78rem; font-variant-numeric: tabular-nums; }
.math-display > span { min-width: 0; }
.vis-container { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 28px; }
.canvas-wrapper { border: 1px solid var(--line); position: relative; background: #f7f7f4; min-width: 0; height: 450px; overflow: hidden; }
.canvas-label { position: absolute; top: 14px; left: 16px; z-index: 1; background: var(--paper); padding: 4px 8px; color: var(--ink); font-size: .65rem; text-transform: uppercase; letter-spacing: .08em; pointer-events: none; }
.canvas-wrapper canvas { display: block; width: 100%; height: 100%; }
#canvas3d_container { width: 100%; height: 100%; }
.demo-status { padding: 10px 0; color: var(--accent); font-size: .85rem; }
.demo-explanation { margin-top: 44px; }
.demo-explanation h2 { margin-bottom: 18px; }
.demo-reset { display: inline-block; margin: 22px 0 0; padding: 8px 16px; border: 1px solid var(--line); background: transparent; color: var(--accent); font-size: .8rem; }
.demo-reset:hover { background: var(--surface); }
@media (max-width: 900px) { .control-group { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 720px) { .vis-container { grid-template-columns: 1fr; } .canvas-wrapper { height: 360px; } .control-group { gap: 18px; } .demo-header { padding-top: 28px; } }
@media (max-width: 380px) { .control-group { grid-template-columns: 1fr; } }