/* ═══════════════════════════════════════════════════════════
   exercises.css — استایل ماژول بازخورد زیستی (تمرین‌های آرامش‌سازی)
   ═══════════════════════════════════════════════════════════ */

.mg-ex-disclaimer {
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mg-text-dim);
  background: rgba(77, 208, 225, 0.06);
  border: 1px solid rgba(77, 208, 225, 0.16);
  border-radius: var(--mg-r);
  padding: 12px 14px;
  margin-bottom: 18px;
}

/* ─── آمار ─── */
.mg-ex-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 22px; }
.mg-ex-stat { padding: 14px 8px; border-radius: var(--mg-r); background: var(--mg-surface); border: 1px solid var(--mg-border); text-align: center; }
.mg-ex-stat-num { font-family: var(--mg-font-display); font-size: 22px; font-weight: 800; color: var(--mg-aqua); }
.mg-ex-stat-label { font-size: 11px; color: var(--mg-text-dim); margin-top: 4px; }

/* ─── کارت‌های فهرست ─── */
.mg-ex-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 24px; }
@media (max-width: 480px) { .mg-ex-grid { grid-template-columns: 1fr; } }

.mg-ex-card {
  text-align: right; border-radius: var(--mg-r-lg); background: var(--mg-surface);
  border: 1px solid var(--mg-border); border-top: 2px solid var(--mg-aqua);
  padding: 18px; cursor: pointer; font-family: inherit; color: var(--mg-text);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.mg-ex-card:hover { transform: translateY(-3px); box-shadow: var(--mg-shadow-aqua); border-color: var(--mg-border-2); }
.mg-ex-icon { font-size: 22px; width: 42px; height: 42px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: var(--mg-surface-2); border: 1px solid var(--mg-border); margin-bottom: 10px; }
.mg-ex-card h3 { margin: 0 0 6px; font-size: 15px; font-weight: 800; }
.mg-ex-card p { margin: 0; font-size: 12.5px; color: var(--mg-text-dim); line-height: 1.7; min-height: 36px; }
.mg-ex-duration { display: inline-flex; margin-top: 10px; font-size: 11.5px; color: var(--mg-aqua); background: rgba(77, 208, 225, 0.1); padding: 3px 10px; border-radius: 999px; }

/* ─── تاریخچه ─── */
.mg-ex-history { border-radius: var(--mg-r); background: var(--mg-surface); border: 1px solid var(--mg-border); padding: 14px 16px; }
.mg-ex-history h4 { margin: 0 0 10px; font-size: 13px; color: var(--mg-text-dim); }
.mg-ex-history-item { display: flex; align-items: center; justify-content: space-between; padding: 9px 0; border-bottom: 1px solid var(--mg-border); font-size: 13px; }
.mg-ex-history-item:last-child { border-bottom: 0; }
.mg-ex-h-type { font-weight: 600; }
.mg-ex-h-date { color: var(--mg-text-mute); font-size: 11.5px; }
.mg-ex-h-dur { color: var(--mg-aqua); font-size: 11.5px; }
.mg-ex-empty { color: var(--mg-text-dim); font-size: 12.5px; text-align: center; margin: 6px 0; }

/* ─── صفحهٔ اجرا (runner) ─── */
.mg-ex-run { max-width: 480px; margin: 0 auto; text-align: center; padding-bottom: 20px; }
.mg-ex-run-head { display: flex; align-items: center; gap: 12px; text-align: right; margin-bottom: 14px; }
.mg-ex-run-icon { font-size: 30px; width: 52px; height: 52px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center; background: var(--mg-surface); border: 1px solid var(--mg-border); flex-shrink: 0; }
.mg-ex-run-head h2 { margin: 0 0 4px; font-size: 18px; font-weight: 800; }
.mg-ex-run-sub { margin: 0; font-size: 12.5px; color: var(--mg-text-dim); line-height: 1.7; }

.mg-ex-run-visual { min-height: 200px; display: flex; align-items: center; justify-content: center; margin: 14px 0; }
.mg-breath-canvas { display: block; }

.mg-pmr-visual {
  width: 110px; height: 110px; border-radius: 50%; display: grid; place-items: center;
  font-size: 42px; background: var(--mg-surface); border: 1px solid var(--mg-border);
  transition: all 0.6s ease;
}
.mg-pmr-visual.is-tense { background: rgba(255, 138, 101, 0.15); border-color: var(--mg-coral); transform: scale(1.08); box-shadow: 0 0 40px var(--mg-glow-coral); }
.mg-pmr-visual.is-relax { background: rgba(105, 240, 174, 0.12); border-color: var(--mg-mint); transform: scale(0.94); box-shadow: 0 0 40px var(--mg-glow-mint); }

.mg-imagery-stage {
  width: 100%; height: 170px; border-radius: var(--mg-r-lg); border: 1px solid var(--mg-border);
  display: grid; place-items: center; transition: background 0.8s ease, border-color 0.8s ease;
}
.mg-imagery-scene-name { font-size: 16px; font-weight: 700; color: var(--mg-text-soft); }

.mg-mind-cards { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; width: 100%; }
@media (max-width: 460px) { .mg-mind-cards { grid-template-columns: repeat(3, 1fr); } }
.mg-mind-card {
  aspect-ratio: 1; border-radius: var(--mg-r); background: var(--mg-surface); border: 1px solid var(--mg-border);
  cursor: pointer; display: grid; place-items: center; font-family: inherit; color: var(--mg-text);
  transition: transform 0.2s, border-color 0.2s;
  padding: 6px;
}
.mg-mind-card:hover { border-color: var(--mg-aqua); transform: translateY(-2px); }
.mg-mind-card.is-revealed { border-color: var(--mg-mint); background: rgba(105, 240, 174, 0.08); cursor: default; }
.mg-mind-front { font-size: 26px; font-weight: 800; color: var(--mg-aqua); font-family: var(--mg-font-display); }
.mg-mind-back { font-size: 10.5px; line-height: 1.5; color: var(--mg-text-dim); }

.mg-ex-run-stepline { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.mg-ex-run-steplabel { font-size: 16px; font-weight: 800; color: var(--mg-text); }
.mg-ex-run-timer { font-size: 13px; color: var(--mg-text-dim); font-family: var(--mg-font-display); }

.mg-ex-run-instruction { font-size: 14px; color: var(--mg-text-soft); line-height: 1.85; min-height: 46px; margin: 0 0 14px; }

.mg-ex-run-progress { width: 100%; height: 6px; border-radius: 3px; background: var(--mg-border); overflow: hidden; margin-bottom: 18px; }
.mg-ex-run-progress > div { height: 100%; border-radius: 3px; background: var(--mg-grad-aqua); width: 0%; transition: width 0.25s linear; }

.mg-ex-run-scenes { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 16px; }
.mg-scene-chip { padding: 8px 16px; border-radius: 999px; background: var(--mg-surface); border: 1px solid var(--mg-border); color: var(--mg-text-dim); font-family: inherit; font-size: 12.5px; cursor: pointer; transition: all 0.2s; }
.mg-scene-chip.is-active, .mg-scene-chip:hover { border-color: var(--mg-mint); color: var(--mg-mint); background: rgba(105, 240, 174, 0.08); }

.mg-ex-stress-row { margin: 12px 0 16px; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.mg-ex-stress-row label { font-size: 12.5px; color: var(--mg-text-dim); text-align: center; }
.mg-ex-stress-val { font-size: 15px; font-weight: 700; color: var(--mg-aqua); font-family: var(--mg-font-display); }

.mg-ex-run-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 6px; }
.mg-ex-run-status { min-height: 20px; font-size: 12.5px; color: var(--mg-mint); }

@media (prefers-reduced-motion: reduce) {
  .mg-pmr-visual, .mg-imagery-stage, .mg-mind-card, .mg-ex-card { transition: none; }
  .mg-ex-run-progress > div { transition: none; }
}