/* «مكتبة التمثيلات البصرية» and the studio. Loaded by the library pages, the
   studio pages, and the concept page's «التمثيل البصري» block only.
   Identity tokens only; every kind and every state is an icon AND a word. */

/* ── The player ──────────────────────────────────────────────────────────── */
.scene-player { margin: 0; display: grid; gap: 0.75rem; }
.scene-stage { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-md); overflow: hidden;
  background: var(--paper); border: 1px solid var(--rule-strong); }
.scene-stage > svg, .scene-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.scene-canvas { cursor: pointer; }
.scene-canvas:focus-visible { box-shadow: inset 0 0 0 4px var(--clay-strong); outline: none; border-radius: 0; }
.scene-start { position: absolute; inset: 0; width: 100%; border: 0; background: rgba(53, 53, 60, 0.28);
  display: grid; place-content: center; justify-items: center; gap: 0.6rem; cursor: pointer;
  color: #fff; font-weight: 700; font-size: var(--t-md); }
.scene-start .icon { width: 84px; height: 84px; padding: 22px; border-radius: 50%; background: var(--clay);
  transition: transform var(--dur) var(--ease); }
.scene-start:hover .icon { transform: scale(1.06); }
.scene-start span { background: var(--ink); padding: 0.15rem 1rem; border-radius: var(--r-full); }
.scene-controls { display: grid; gap: 0.5rem; }
.scene-buttons { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.scene-buttons .btn[disabled] { opacity: 0.45; cursor: default; }
.scene-buttons .btn .icon { width: 1.1rem; height: 1.1rem; }
.scene-status { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.3rem 1rem; min-height: 2rem; }
.scene-counter { display: inline-flex; align-items: center; min-height: 32px; padding: 0 0.8rem; white-space: nowrap;
  border: 2px solid var(--slate-deep); border-radius: var(--r-full); color: var(--slate-deep); font-weight: 700; font-size: var(--t-sm); }
.scene-caption { font-weight: 600; color: var(--ink); }

/* The no-JavaScript walk through the steps: hidden by the script once the canvas takes over. */
.scene-steps { display: grid; gap: 0.6rem; }
.scene-steps-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.scene-step-list { margin: 0; padding-inline-start: 1.6rem; display: grid; gap: 0.15rem; font-size: var(--t-sm); }
.scene-step-list li::marker { color: var(--ink-2); font-weight: 700; }
.scene-step-list li.current { font-weight: 700; }
.scene-step-list li.current a { color: var(--ink); text-decoration: none; }
.scene-step-list li.current::marker { color: var(--clay-strong); }

.scene-locked { margin: 0; padding: 1rem 1.25rem; background: var(--clay-soft); border: 2px solid var(--clay); border-radius: var(--r-md); display: grid; gap: 0.6rem; }
.scene-locked p { margin: 0; }
.scene-locked strong { display: inline-flex; align-items: center; gap: 0.4rem; }

/* ── Kind: an icon and a word ────────────────────────────────────────────── */
.kind-tag { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0 0.7rem; white-space: nowrap;
  border: 2px solid var(--slate); border-radius: var(--r-full); color: var(--slate-deep); font-size: var(--t-sm); font-weight: 700; }
.kind-tag .icon { width: 1.05rem; height: 1.05rem; }
.visual-line { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.8rem; }
.visual-line strong { font-size: var(--t-md); color: var(--slate-deep); }
.visual-line > a { margin-inline-start: auto; }

/* ── The library index ───────────────────────────────────────────────────── */
.library-lead { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem; }
.library-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }
.visual-card { display: flex; flex-direction: column; gap: 0.5rem; height: 100%; text-decoration: none; color: var(--ink);
  background: var(--surface); border: 2px solid var(--rule-strong); border-radius: var(--r-md); overflow: hidden; }
a.visual-card:hover, a.visual-card:focus-visible { border-color: var(--ink); color: var(--ink); }
.visual-card .poster { aspect-ratio: 16 / 9; background: var(--paper); border-bottom: 1px solid var(--rule); }
.visual-card .poster svg { width: 100%; height: 100%; display: block; }
.visual-card-body { padding: 0.25rem 1rem 1rem; display: grid; gap: 0.4rem; }
.visual-card h2, .visual-card h3 { font-size: var(--t-md); line-height: 1.4; }
.visual-card .concept { display: flex; align-items: center; gap: 0.4rem; color: var(--ink-2); font-size: var(--t-sm); }
.visual-card .concept .icon { width: 1.1rem; height: 1.1rem; color: var(--clay-strong); }
.visual-card .card-tail { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: auto; }

/* ── The detail page: the chain مفهوم ← تمثيل ← مثال ولا مثال ← قياس ────── */
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.chain { list-style: none; margin: 0; padding: 0; counter-reset: link; display: grid; gap: 0.5rem; }
.chain li { counter-increment: link; position: relative; padding: 0.7rem 3rem 0.7rem 0.9rem; background: var(--surface);
  border: 1px solid var(--rule); border-radius: var(--r-sm); display: grid; gap: 0.2rem; }
.chain li::before { content: counter(link, arabic-indic); position: absolute; inset-inline-start: 0.7rem; top: 0.75rem;
  width: 1.7rem; height: 1.7rem; border-radius: 50%; display: grid; place-content: center;
  background: var(--slate); color: #fff; font-weight: 700; font-size: var(--t-sm); }
.chain li.here { border: 2px solid var(--clay-strong); background: var(--clay-soft); }
.chain li.here::before { background: var(--clay-strong); }
.chain .link-title { display: flex; align-items: center; gap: 0.4rem; font-weight: 700; color: var(--slate-deep); }
.chain .link-title .icon { width: 1.2rem; height: 1.2rem; }
.chain .state { display: inline-flex; align-items: center; gap: 0.3rem; font-size: var(--t-sm); color: var(--ink-2); }
.chain .state .icon { width: 1rem; height: 1rem; }
.chain .none { color: var(--ink-2); font-style: normal; }
.sibling-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.4rem; }
.sibling-list a { display: flex; align-items: center; gap: 0.5rem; }

/* ── The studio form ─────────────────────────────────────────────────────── */
.template-picker { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 0.6rem; border: 0; padding: 0; margin: 0; }
.template-picker legend { font-weight: 600; margin-bottom: 0.4rem; padding: 0; }
.template-option { position: relative; }
.template-option input { position: absolute; opacity: 0; inset: 0; }
.template-option span { display: grid; gap: 0.25rem; min-height: 56px; padding: 0.8rem 1rem; border: 2px solid var(--rule-strong);
  border-radius: var(--r-md); cursor: pointer; background: var(--surface); }
.template-option span b { display: inline-flex; align-items: center; gap: 0.4rem; font-size: var(--t-md); color: var(--slate-deep); }
.template-option span small { color: var(--ink-2); line-height: 1.6; }
.template-option input:checked + span { border-color: var(--clay-strong); background: var(--clay-soft); box-shadow: inset 0 0 0 1px var(--clay-strong); }
.template-option input:focus-visible + span { box-shadow: var(--focus); }

.layout-fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); gap: 0.75rem 1rem; }
.step-row { display: grid; grid-template-columns: 2.4rem minmax(11rem, 1fr) minmax(0, 1.4fr) minmax(0, 1.2fr); gap: 0.5rem 0.75rem; align-items: start;
  padding: 0.7rem 0; border-top: 1px solid var(--rule); }
.step-row:first-of-type { border-top: 0; }
.step-no { width: 2.2rem; height: 2.2rem; margin-top: 1.9rem; border-radius: 50%; display: grid; place-content: center; font-weight: 700; color: #fff; background: var(--slate); }
.step-row .field label { font-size: var(--t-sm); }
.step-row .hint { grid-column: 2 / -1; margin: 0; }
.step-row .input { min-height: 46px; }
.studio-preview { display: grid; gap: 0.75rem; padding: 1rem; background: var(--surface); border: 2px dashed var(--rule-strong); border-radius: var(--r-md); }
.studio-preview h2 { font-size: var(--t-md); color: var(--slate-deep); }
.visual-problem { margin: 0; padding: 0.6rem 1rem; border: 2px solid var(--bad); border-radius: var(--r-sm); background: var(--bad-soft); color: var(--bad); display: flex; gap: 0.5rem; align-items: flex-start; }
.visual-problem .icon { flex: none; width: 1.4rem; height: 1.4rem; margin-top: 0.15rem; }
.syntax-list { margin: 0.6rem 0 0; display: grid; grid-template-columns: max-content 1fr; gap: 0.3rem 1rem; }
.syntax-list dt { font-weight: 600; }
.syntax-list dd { margin: 0; color: var(--ink-2); }
.owner-name { display: inline-flex; align-items: center; gap: 0.3rem; color: var(--ink-2); font-size: var(--t-sm); }

@media (max-width: 920px) {
  .detail-layout { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 760px) {
  .step-row { grid-template-columns: 2.2rem minmax(0, 1fr); }
  .step-row .field:nth-of-type(n + 2) { grid-column: 2; }
  .step-no { margin-top: 1.7rem; }
  .syntax-list { grid-template-columns: 1fr; }
  .syntax-list dd { margin-bottom: 0.4rem; }
  .scene-start .icon { width: 64px; height: 64px; padding: 16px; }
}