/* Experiment 2 question sheets (components/_experiment.html, js/experiment.js). */
.cm-sheet { position: fixed; inset: 0; z-index: 1085; display: flex; align-items: flex-end; justify-content: center; background: var(--scrim); }
.cm-sheet[hidden] { display: none; }
.cm-sheet-light { background: transparent; pointer-events: none; }
.cm-sheet-card { pointer-events: auto; position: relative; width: 100%; max-width: 520px; background: var(--surface); color: var(--text);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0; padding: 22px 20px calc(18px + env(safe-area-inset-bottom)); box-shadow: var(--shadow-float);
  max-height: 92vh; overflow-y: auto; animation: cmu-rise var(--dur-base) var(--ease-standard) both; }
@media (min-width: 576px) { .cm-sheet { align-items: center; } .cm-sheet-card { border-radius: var(--radius-lg); } .cm-sheet-light { align-items: flex-end; padding-bottom: 24px; } }
.cm-sheet-close { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--tint); color: var(--text); display: grid; place-items: center; }
.cm-sheet-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--text-muted); margin: 0 0 6px; }
.cm-sheet-title { font-family: var(--font-display); font-weight: 700; font-size: 20px; line-height: 25px; margin: 0 44px 14px 0; }
.cm-q { border: 0; padding: 0; margin: 0 0 16px; }
.cm-q legend { font-weight: 600; font-size: 15px; margin-bottom: 8px; }
.cm-q legend small { color: var(--text-muted); font-weight: 400; }
.cm-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.cm-opt { position: relative; display: inline-flex; margin: 0; }
.cm-opt input { position: absolute; opacity: 0; inset: 0; }
.cm-opt span, .cm-opt-btn { display: inline-flex; align-items: center; min-height: 40px; padding: 8px 14px; border-radius: var(--radius-pill);
  border: 1.5px solid var(--line-strong); background: var(--surface); color: var(--text); font-weight: 600; font-size: 14.5px; }
.cm-opt span { cursor: pointer; gap: 6px; transition: background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard); }
.cm-opt:hover span { border-color: var(--text); }
/* Chosen: marigold + a tick, clear in light and dark (ink on the dark sheet was invisible). */
.cm-opt input:checked + span { background: var(--cmu-marigold); color: var(--cmu-ink); border-color: var(--cmu-marigold); }
.cm-opt input:checked + span::before { content: ""; width: 8px; height: 13px; margin: -3px 2px 0 0; border: solid var(--cmu-ink);
  border-width: 0 2.5px 2.5px 0; transform: rotate(45deg); }
.cm-opt input:focus-visible + span { outline: 3px solid var(--cmu-marigold); outline-offset: 2px; }
.cm-sheet-actions { display: flex; align-items: center; gap: 12px; margin-top: 4px; }
.cm-link { background: none; border: 0; color: var(--text-muted); font-weight: 600; text-decoration: underline; }
.cm-privacy { font-size: 12.5px; color: var(--text-muted); margin: 12px 0 0; }