/* ============================================================
   sort.css — Visualizzatore di algoritmi di ordinamento
   Primitive (panel, seg, ghost-btn) in lab.css.
   ============================================================ */

.sort-hero { padding-top: clamp(2rem, 5vw, 3.5rem); padding-bottom: 1.1rem; }

.run-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  font-family: var(--font-sans); font-size: 0.88rem; font-weight: 500;
  padding: 0.5rem 0.95rem; border: 1px solid var(--accent); border-radius: 100px;
  background: var(--accent); color: var(--accent-ink); cursor: pointer;
  transition: transform 0.15s var(--ease);
}
.run-btn:hover:not(:disabled) { transform: translateY(-1px); }
.run-btn:disabled { opacity: 0.5; cursor: default; }

.sort-controls { display: flex; flex-wrap: wrap; gap: 1rem 1.75rem; align-items: center; }
.slider { accent-color: var(--accent); cursor: pointer; max-width: 8rem; }
.slider-val { font-family: var(--font-mono); font-size: 0.85rem; color: var(--ink); min-width: 1.5rem; }

.sort-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 880px) { .sort-layout { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Spiegazione dell'algoritmo ---------- */
.explain-panel { margin-bottom: 1.25rem; }
.explain-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.65rem; }
.explain-head h2 {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.3rem, 3vw, 1.85rem); letter-spacing: -0.015em; line-height: 1.1;
}
.explain-big {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-soft);
  border: 1px solid var(--line); border-radius: 100px; padding: 0.28rem 0.75rem; white-space: nowrap;
}
.explain-big b { color: var(--accent); }
.explain-idea { font-size: 1.02rem; color: var(--ink); max-width: 78ch; margin-bottom: 1.4rem; }
.explain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem 1.6rem; }
@media (max-width: 760px) { .explain-grid { grid-template-columns: 1fr; gap: 1rem; } }
.explain-label {
  display: block; font-family: var(--font-mono); font-size: 0.66rem; letter-spacing: 0.07em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 0.35rem;
}
.explain-item p { font-size: 0.9rem; color: var(--ink-soft); line-height: 1.55; }

/* ---------- Barra controlli esecuzione ---------- */
.exec-bar { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; margin-bottom: 1.1rem; padding-bottom: 0.9rem; border-bottom: 1px solid var(--line-soft); }
.speed { display: inline-flex; align-items: center; gap: 0.5rem; margin-left: auto; font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-soft); }
.speed .slider { max-width: 5.5rem; }

/* ---------- Barre ---------- */
.bars-wrap { background: var(--bg-sunk); border: 1px solid var(--line); border-radius: 12px; padding: 0.75rem; }
.bars {
  display: flex; align-items: flex-end; gap: 2px;
  height: clamp(180px, 34vh, 280px);
}
.bar {
  flex: 1 1 0; min-width: 0;
  background: var(--accent);
  border-radius: 4px 4px 0 0;
  display: flex; align-items: flex-start; justify-content: center;
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 600;
  color: var(--accent-ink); padding-top: 3px;
  transition: height 0.18s var(--ease), background-color 0.12s var(--ease);
}
.bar.compare { background: #c98a1b; }
.bar.swap { background: #e0533d; }
.bar.pivot { background: #8a5cf0; }
.bar.sorted { background: #3fae6b; }
@media (max-width: 560px) { .bar { font-size: 0; padding-top: 0; } }

.sort-progress { height: 4px; border-radius: 2px; background: var(--bg-sunk); overflow: hidden; margin-top: 0.9rem; }
.sort-progress-fill { height: 100%; width: 0; background: var(--accent); transition: width 0.2s var(--ease); }

.sort-desc { font-family: var(--font-mono); font-size: 0.84rem; color: var(--ink); min-height: 1.4rem; margin-top: 0.9rem; }
.sort-desc .hl { color: var(--accent); font-weight: 600; }
.sort-counters { display: flex; gap: 1.25rem; flex-wrap: wrap; margin-top: 0.6rem; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-soft); }
.sort-counters b { color: var(--ink); }
.sort-counters .done-tag { color: #3fae6b; font-weight: 600; }

/* ---------- Codice ---------- */
.lang-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.complexity { font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-faint); }
.complexity b { color: var(--accent); }
.code-view {
  margin: 0; border: 1px solid var(--line); border-radius: 10px; background: var(--bg-sunk);
  font-family: var(--font-mono); font-size: 0.8rem; line-height: 1.55;
  overflow: auto; max-height: clamp(260px, 42vh, 460px);
}
.code-view .ln {
  display: grid; grid-template-columns: 2.2rem 1fr; gap: 0.6rem;
  padding: 0 0.7rem; white-space: pre;
}
.code-view .ln .num { color: var(--ink-faint); text-align: right; user-select: none; font-size: 0.72rem; }
.code-view .ln .src { color: var(--ink); }
.code-view .ln.current { background: var(--accent); }
.code-view .ln.current .num, .code-view .ln.current .src { color: var(--accent-ink); }
.code-view .kw { color: var(--accent); }
.code-view .current .kw { color: var(--accent-ink); }
.code-view .cm { color: var(--ink-faint); font-style: italic; }
.code-view .current .cm { color: var(--accent-ink); opacity: 0.85; }

/* Responsive: il selettore dell'algoritmo non deve uscire dallo schermo */
@media (max-width: 640px) {
  .sort-controls { gap: 1rem 1.25rem; }
  .sort-controls .control-group { flex: 1 1 100%; flex-direction: column; align-items: stretch; gap: 0.5rem; }
  .sort-controls #algoSeg { display: flex; flex-wrap: wrap; width: 100%; border-radius: 14px; }
  .sort-controls #algoSeg .seg-btn { flex: 1 1 auto; text-align: center; }
  .sort-controls .ghost-btn { width: 100%; }
}

@media (max-width: 480px) {
  .sort-controls { gap: 0.9rem 1.25rem; }
  .speed { margin-left: 0; }
}