/* ═══ 이야기 무대 (Jay 지시 2026-09-16) ═══
   전자칠판에 띄워 놓고 아이들이 멀리서 본다 — 크고, 어둡고, 군더더기 없이. */
.sst { position: fixed; inset: 0; z-index: 9000; background: #0f0d0b; color: #F4ECD8;
  display: flex; flex-direction: column; }
.sst.hidden { display: none; }
body.sst-active { overflow: hidden; }

.sst-top { flex: 0 0 auto; display: flex; align-items: center; gap: 12px;
  padding: 10px 16px; background: rgba(255,255,255,0.05); flex-wrap: wrap; }
.sst-title { font-size: 17px; font-weight: 800; letter-spacing: .5px; }
.sst-bgs { display: flex; gap: 7px; }
.sst-bgbtn { width: 26px; height: 26px; border-radius: 7px; cursor: pointer; padding: 0;
  border: 2px solid rgba(244,236,216,0.35); }
.sst-bgbtn.on { border-color: #fff; box-shadow: 0 0 0 3px rgba(244,236,216,.35); }
.sst-pick { font: inherit; font-size: 13.5px; padding: 6px 10px; border-radius: 8px;
  border: 1.5px solid rgba(244,236,216,0.3); background: #1f1b16; color: #F4ECD8; max-width: 260px; }
.sst-pick:disabled { opacity: .5; }
.sst-op { display: flex; align-items: center; gap: 7px; font-size: 12.5px; color: rgba(244,236,216,.75); }
.sst-op input[type=range] { width: 120px; }
.sst-op input[type=number] { width: 60px; padding: 5px 6px; font: inherit; font-size: 12.5px;
  text-align: right; border-radius: 7px; border: 1.5px solid rgba(244,236,216,0.3);
  background: #1f1b16; color: #F4ECD8; }
.sst-btn { font: inherit; font-size: 13.5px; font-weight: 700; padding: 8px 14px;
  border-radius: 9px; border: none; cursor: pointer; background: rgba(244,236,216,0.14); color: #F4ECD8; }
.sst-btn.big { font-size: 15px; padding: 11px 20px; background: #2D5A3D; }
.sst-btn.sst-x { padding: 8px 13px; }

.sst-body { flex: 1; display: flex; align-items: center; justify-content: center; padding: 14px; min-height: 0; }
/* 무대 — 16:9 로 잡아 전자칠판에 맞춘다 */
.sst-scene { position: relative; width: 100%; height: 100%; max-width: calc(177.78vh - 120px);
  border-radius: 14px; overflow: hidden; background: #000; }
.sst-bg { position: absolute; inset: 0; }
.sst-scene video, .sst-scene img, .sst-scene canvas { position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block; }
.sst-scene video[hidden], .sst-scene img[hidden] { display: none; }
/* 천을 고르는 동안 손가락 모양으로 — 누를 수 있다는 것이 보여야 한다 */
.sst-scene { cursor: default; }

/* 짧은 안내 — 천을 골랐다, 못 읽었다 같은 것 */
.sst-hint { position: absolute; left: 12px; right: 12px; top: 12px; z-index: 4; text-align: center;
  background: rgba(0,0,0,0.66); color: #fff; font-size: 13.5px; font-weight: 700;
  padding: 9px 13px; border-radius: 12px; pointer-events: none; line-height: 1.5; }
.sst-hint.hidden { display: none; }

/* 카메라가 없을 때 — 막다른 길로 두지 않는다 */
.sst-help { position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px; text-align: center;
  background: rgba(15,13,11,0.9); padding: 24px; }
.sst-help.hidden { display: none; }
.sst-h1 { font-size: 22px; font-weight: 800; }
.sst-h2 { font-size: 15px; line-height: 1.7; color: rgba(244,236,216,.9); max-width: 640px; }
.sst-h3 { font-size: 13.5px; line-height: 1.7; color: rgba(244,236,216,.7); max-width: 640px; }
.sst-steps { text-align: left; font-size: 15px; line-height: 2; margin: 0; padding-left: 22px; }
.sst-wait { font-size: 13.5px; font-weight: 700; color: #FFE9A8;
  background: rgba(255,255,255,.08); border-radius: 999px; padding: 8px 16px; }
.sst-hbtns { display: flex; gap: 10px; margin-top: 4px; }

@media (max-width: 860px) {
  .sst-top { gap: 8px; padding: 9px 12px; }
  .sst-title { font-size: 15px; }
  .sst-op { display: none; }
  .sst-h1 { font-size: 18px; }
  .sst-steps { font-size: 14px; }
}

/* 앞 도안은 사람(캔버스) 위에 — 안내·도움말보다는 아래 (2026-09-17) */
#sstOut { z-index: 1; }
#sstFront { z-index: 2; }
.sst-bg#sstBg { z-index: 0; }
#sstHelp, #sstTipsBox { z-index: 5; }