/* ==========================================================================
   ACADÉMIE PREMIUM — parcours interactif (2026-08-21)
   Toujours en thème sombre (fond pur noir, comme le reste du Premium).
   ========================================================================== */

/* Dégradés de piste, un par classe d'actif — même logique que .blog-cover-*
   déjà utilisés ailleurs sur le site (icône + dégradé, pas de photo stock). */
.aca-grad-gold   { background: linear-gradient(135deg, #c9a24b, #7a5c1e); }
.aca-grad-navy   { background: linear-gradient(135deg, #1b3f6e, #050e1c); }
.aca-grad-green  { background: linear-gradient(135deg, #2f7d5a, #0f2a1e); }
.aca-grad-plum   { background: linear-gradient(135deg, #6a3f7a, #241129); }
.aca-grad-crypto { background: linear-gradient(135deg, #d98a2b, #3a2408); }
.aca-grad-orange { background: linear-gradient(135deg, #c96a2b, #4a260c); }

/* ----------------------------------------------------------------------
   HUB — academie.html
   ---------------------------------------------------------------------- */
.aca-hub-header { text-align:center; max-width:640px; margin:0 auto 8px; }
.aca-overall-progress { text-align:center; font-size:13px; color:var(--gold-light); font-weight:700; margin-bottom:32px; }

.aca-hub-grid { display:grid; grid-template-columns:repeat(3, 1fr); gap:18px; }
@media (max-width: 960px) { .aca-hub-grid { grid-template-columns:repeat(2, 1fr); } }
@media (max-width: 620px) { .aca-hub-grid { grid-template-columns:1fr; } }

.aca-track-card { display:flex; flex-direction:column; text-decoration:none; border-radius:14px; overflow:hidden; background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.08); transition:transform .2s ease, border-color .2s ease; }
.aca-track-card:hover { transform:translateY(-4px); border-color:var(--gold); }
.aca-track-icon { display:flex; align-items:center; justify-content:center; height:96px; color:#fff; }
.aca-track-icon svg { width:36px; height:36px; opacity:.92; }
.aca-track-body { padding:16px 18px 20px; display:flex; flex-direction:column; gap:6px; }
.aca-track-body h3 { margin:0; font-size:16px; color:#fff; }
.aca-track-body p { margin:0 0 6px; font-size:12.5px; color:rgba(255,255,255,0.5); line-height:1.5; }
.aca-track-progress-track { width:100%; height:6px; border-radius:999px; background:rgba(255,255,255,0.08); overflow:hidden; }
.aca-track-progress-fill { height:100%; background:linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius:999px; transition:width .5s ease; }
.aca-track-progress-label { font-size:11px; font-weight:600; color:rgba(255,255,255,0.45); }

/* ----------------------------------------------------------------------
   PLAYER — academie-parcours.html
   ---------------------------------------------------------------------- */
.aca-switch-bar { display:flex; gap:8px; flex-wrap:wrap; justify-content:center; margin-bottom:22px; }
.aca-switch-chip { display:flex; align-items:center; gap:6px; padding:7px 14px; border-radius:999px; background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.1); color:rgba(255,255,255,0.6); text-decoration:none; font-size:12.5px; font-weight:600; transition:background .15s ease, color .15s ease; }
.aca-switch-chip svg { width:14px; height:14px; }
.aca-switch-chip:hover { background:rgba(255,255,255,0.08); color:#fff; }
.aca-switch-chip.is-active { background:rgba(201,162,75,0.16); border-color:rgba(201,162,75,0.4); color:var(--gold-light); }

.aca-progress-bar-wrap { max-width:960px; margin:0 auto 10px; }
.aca-progress-track { width:100%; height:6px; border-radius:999px; background:rgba(255,255,255,0.08); overflow:hidden; }
.aca-progress-fill { height:100%; width:0%; background:linear-gradient(90deg, var(--gold), var(--gold-light)); border-radius:999px; transition:width .4s ease; }
.aca-progress-label { font-size:11.5px; color:rgba(255,255,255,0.45); margin-top:6px; text-align:right; }

.aca-player-layout { display:grid; grid-template-columns:260px 1fr; gap:24px; max-width:960px; margin:0 auto; align-items:start; }
@media (max-width: 820px) { .aca-player-layout { grid-template-columns:1fr; } }

.aca-sidebar { background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.08); border-radius:12px; padding:10px; position:sticky; top:90px; }
@media (max-width: 820px) { .aca-sidebar { position:static; display:flex; overflow-x:auto; gap:6px; padding:8px; } }
.aca-side-item { display:flex; align-items:center; gap:10px; width:100%; text-align:left; padding:10px 12px; border-radius:9px; border:none; background:transparent; color:rgba(255,255,255,0.6); font-family:inherit; font-size:12.5px; font-weight:600; cursor:pointer; transition:background .15s ease, color .15s ease; }
@media (max-width: 820px) { .aca-side-item { width:auto; white-space:nowrap; flex-shrink:0; } }
.aca-side-item:hover { background:rgba(255,255,255,0.05); color:#fff; }
.aca-side-item.is-active { background:rgba(201,162,75,0.14); color:var(--gold-light); }
.aca-side-num { flex-shrink:0; width:22px; height:22px; border-radius:50%; background:rgba(255,255,255,0.08); display:flex; align-items:center; justify-content:center; font-size:11px; font-weight:700; }
.aca-side-item.is-done .aca-side-num { background:rgba(127,214,143,0.2); color:#7fd68f; }
.aca-side-item.is-active .aca-side-num { background:var(--gold-light); color:#050609; }
.aca-side-quiz { border-top:1px solid rgba(255,255,255,0.08); margin-top:6px; padding-top:12px; }

.aca-main { min-width:0; }
.aca-lesson-head { border-radius:12px; padding:28px 26px; margin-bottom:22px; color:#fff; }
.aca-lesson-eyebrow { font-size:11.5px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; color:rgba(255,255,255,0.75); margin-bottom:8px; }
.aca-lesson-head h1 { margin:0; font-size:24px; color:#fff; }

.aca-lesson-body { display:flex; flex-direction:column; gap:16px; }
.aca-block-text { font-size:14.5px; line-height:1.75; color:rgba(255,255,255,0.75); margin:0; }
.aca-callout { padding:14px 16px; border-radius:10px; font-size:13.5px; line-height:1.6; }
.aca-callout-info { background:rgba(143,180,227,0.1); border:1px solid rgba(143,180,227,0.25); color:rgba(255,255,255,0.8); }
.aca-callout-warning { background:rgba(226,115,92,0.1); border:1px solid rgba(226,115,92,0.28); color:rgba(255,255,255,0.8); }

.aca-stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(150px, 1fr)); gap:10px; }
.aca-stat-item { background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.08); border-radius:10px; padding:12px 14px; display:flex; flex-direction:column; gap:4px; }
.aca-stat-label { font-size:10.5px; font-weight:700; text-transform:uppercase; letter-spacing:.03em; color:rgba(255,255,255,0.4); }
.aca-stat-value { font-size:14px; font-weight:700; color:#fff; }

.aca-chart-wrap { background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.08); border-radius:10px; padding:16px 18px; }
.aca-chart-caption { margin:10px 0 0; font-size:11.5px; color:rgba(255,255,255,0.4); line-height:1.5; }

/* CORRECTIF 2026-08-21 : blocs "table" et "takeaway" — enrichissement du
   contenu des leçons (données chiffrées tabulées + conclusion actionnable
   en fin de leçon), demande explicite de Jean. */
.aca-table-wrap { overflow-x:auto; background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.08); border-radius:10px; padding:4px; }
.aca-table { width:100%; border-collapse:collapse; font-size:12.5px; }
.aca-table th, .aca-table td { padding:9px 12px; text-align:left; white-space:nowrap; }
.aca-table th { background:rgba(255,255,255,0.06); color:rgba(255,255,255,0.85); font-weight:700; text-transform:uppercase; font-size:10.5px; letter-spacing:.03em; }
.aca-table td { color:rgba(255,255,255,0.7); border-top:1px solid rgba(255,255,255,0.06); font-variant-numeric:tabular-nums; }
.aca-table tbody tr:hover td { background:rgba(255,255,255,0.03); }

.aca-takeaway { display:flex; gap:14px; align-items:flex-start; background:rgba(84,163,113,0.1); border:1px solid rgba(84,163,113,0.3); border-radius:12px; padding:16px 18px; }
.aca-takeaway-icon { flex:none; width:26px; height:26px; border-radius:50%; background:rgba(84,163,113,0.25); color:#7fd99a; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; }
.aca-takeaway-label { font-size:10.5px; font-weight:700; text-transform:uppercase; letter-spacing:.04em; color:#7fd99a; margin-bottom:4px; }
.aca-takeaway-body { font-size:13.5px; line-height:1.65; color:rgba(255,255,255,0.85); }

.aca-lesson-nav { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-top:24px; flex-wrap:wrap; }

.aca-quiz-list { display:flex; flex-direction:column; gap:18px; }
.aca-quiz-q { background:rgba(255,255,255,0.03); border:1px solid rgba(255,255,255,0.08); border-radius:10px; padding:16px 18px; }
.aca-quiz-question { font-size:14px; font-weight:700; color:#fff; margin-bottom:10px; }
.aca-quiz-options { display:flex; flex-direction:column; gap:8px; }
.aca-quiz-opt { display:flex; align-items:center; gap:10px; padding:9px 12px; border-radius:8px; border:1px solid rgba(255,255,255,0.1); font-size:13px; color:rgba(255,255,255,0.75); cursor:pointer; transition:background .15s ease, border-color .15s ease; }
.aca-quiz-opt:hover { background:rgba(255,255,255,0.04); }
.aca-quiz-opt input { flex-shrink:0; }
.aca-quiz-opt.is-correct { border-color:#7fd68f; background:rgba(127,214,143,0.1); color:#7fd68f; }
.aca-quiz-opt.is-incorrect { border-color:#e2735c; background:rgba(226,115,92,0.1); color:#e2735c; }
.aca-quiz-explain { margin:10px 0 0; font-size:12.5px; color:rgba(255,255,255,0.5); font-style:italic; }
.aca-quiz-result { margin-top:18px; padding:16px 18px; border-radius:10px; background:rgba(255,255,255,0.04); font-size:13.5px; color:rgba(255,255,255,0.75); line-height:1.6; }
.aca-quiz-result.is-done { background:rgba(201,162,75,0.1); border:1px solid rgba(201,162,75,0.3); }