html, body { width: 100%; min-height: 0; }
body { background: #fff; }
.survey-container { width: min(calc(100% - 2rem), var(--edubox-content)); margin-inline: auto; }
.survey-container--reading { max-width: var(--edubox-reading); }
.survey-overview { padding: clamp(2.5rem, 7vw, 6rem) 0; background: linear-gradient(180deg, var(--edubox-marine-1), var(--edubox-midnight-2)); }
.survey-intro { max-width: 50rem; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.survey-intro h1 { max-width: 13ch; margin: 0; font-size: clamp(2.6rem, 7vw, 5.25rem); line-height: .96; letter-spacing: -.04em; }
.survey-intro > p:last-child { max-width: 43rem; margin: 1.4rem 0 0; font-size: clamp(1.08rem, 2.2vw, 1.3rem); }
.survey-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.survey-card { --card-color: var(--edubox-marine-4); position: relative; display: flex; min-height: 18rem; overflow: hidden; flex-direction: column; padding: 1.5rem; color: var(--edubox-midnight-6); background: #fff; border: 1px solid var(--edubox-midnight-3); border-radius: var(--edubox-radius-l); box-shadow: var(--edubox-shadow); }
.survey-card::before { content: ""; width: 4rem; height: .65rem; margin-bottom: 2.5rem; background: var(--card-color); border-radius: 99px; }
.survey-card[data-theme="tangerine"] { --card-color: var(--edubox-tangerine-4); }
.survey-card[data-theme="emirald"] { --card-color: var(--edubox-emirald-4); }
.survey-card[data-theme="amber"] { --card-color: var(--edubox-amber-4); }
.survey-card h2 { margin: 0 0 .6rem; font-size: clamp(1.35rem, 2.5vw, 1.8rem); line-height: 1.08; }
.survey-card p { margin: 0 0 1.25rem; color: var(--edubox-midnight-5); }
.survey-card__entries { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--edubox-midnight-3); }
.survey-card__entries > p { margin: 0 0 .6rem; color: var(--edubox-midnight-5); font-size: .75rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.survey-card__entries > div { display: flex; flex-wrap: wrap; gap: .45rem; }
.survey-card__entries button { min-height: 2.5rem; padding: .55rem .7rem; color: var(--edubox-midnight-6); background: var(--card-color); border: 1px solid var(--edubox-midnight-6); border-radius: var(--edubox-radius-s); font-size: .78rem; font-weight: 800; cursor: pointer; }
.survey-card__entries button:hover { filter: brightness(.94); }
.survey-card--test { border-style: dashed; }
.survey-card__label { align-self: flex-start; margin: 0 0 .65rem !important; padding: .18rem .5rem; color: var(--edubox-midnight-6) !important; background: var(--edubox-midnight-2); border-radius: 99px; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.survey-player { padding-block: clamp(1rem, 3vw, 2rem); background: #fff; }
.survey-player .edubox-quiz { margin-top: 0; }
[hidden] { display: none !important; }
@media (max-width: 58rem) { .survey-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 38rem) {
  .survey-grid { grid-template-columns: 1fr; }
  .survey-card { min-height: 15rem; }
  .survey-card::before { margin-bottom: 1.5rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }