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auto}.bac-nat-serie{margin-bottom:20px}.bac-nat-serie-title{display:flex;align-items:center;gap:8px;font-size:1rem;margin:4px 0 10px}.bac-nat-fil{font-size:.72rem;font-weight:800;padding:3px 8px;border-radius:999px;background:var(--mat-color);color:#fff}.bac-nat-note{font-size:.84rem;color:var(--text-dim);margin:0 0 10px}.bac-nat-legend{font-size:.78rem;color:var(--text-faint);margin:4px 0 0}.bac-chap-hero .bac-nat-note{margin:10px 0 0}.bac-nat-source{font-size:.8rem;color:var(--text-faint);margin:0 0 8px}.bac-side-back{display:block;font-weight:700;font-size:.92rem;text-decoration:none;padding:4px 4px 10px;border-bottom:1px solid var(--border);margin-bottom:6px}.bac-side-back:hover{color:var(--accent)}.bac-side-chaps{list-style:none;margin:0;padding:0;max-height:calc(100vh - 200px);overflow:auto}.bac-side-chaps a{display:flex;gap:8px;padding:7px 8px;border-radius:8px;font-size:.82rem;line-height:1.35;text-decoration:none;color:var(--text-dim)!important}.bac-side-chaps a span{flex-shrink:0;width:20px;font-weight:700;color:var(--text-faint)}.bac-side-chaps a:hover{background:var(--bg);color:var(--text)!important}.bac-side-chaps a.active{background:var(--mat-tint);color:var(--text)!important;font-weight:600}.bac-side-chaps a.active span{color:var(--mat-color)}.bac-chap-hero{padding:22px 24px;margin-bottom:16px;border-radius:var(--radius-lg);background:linear-gradient(135deg,var(--mat-tint),var(--bg-card) 75%);border:1px solid var(--mat-line)}.bac-chap-hero .bac-eyebrow{color:var(--mat-color)}.bac-chap-hero h1{font-size:1.45rem;margin:0 0 6px}.bac-chap-unite{font-size:.86rem;color:var(--text-dim)}.bac-tab-input{position:absolute;opacity:0;pointer-events:none}.bac-tab-labels{display:flex;gap:6px;margin-bottom:12px;overflow-x:auto}.bac-tab-label{padding:9px 16px;border-radius:10px;font-weight:600;font-size:.88rem;cursor:pointer;white-space:nowrap;background:var(--bg-card);border:1px solid var(--border);color:var(--text-dim)}.bac-tab-label:hover{color:var(--text)}.bac-tab-panel{display:none}#tab-cours:checked~.bac-tab-labels .bac-tab-label-cours,#tab-exercices:checked~.bac-tab-labels .bac-tab-label-exercices,#tab-qcm:checked~.bac-tab-labels .bac-tab-label-qcm,#tab-resume:checked~.bac-tab-labels .bac-tab-label-resume{background:var(--bac-grad);color:#fff;border-color:transparent}#tab-cours:checked~.bac-tab-panel-cours,#tab-exercices:checked~.bac-tab-panel-exercices,#tab-qcm:checked~.bac-tab-panel-qcm,#tab-resume:checked~.bac-tab-panel-resume{display:block}.bac-tab-input:focus-visible~.bac-tab-labels{outline:2px solid var(--accent);outline-offset:4px;border-radius:10px}.bac-empty{text-align:center;padding:48px 20px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px dashed var(--border)}.bac-empty-icon{font-size:2.4rem;margin-bottom:8px}.bac-empty-title{font-weight:700;font-size:1.05rem;margin-bottom:6px}.bac-empty p{margin:0 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h1{font-size:1.25rem}.bac-chap-hero{padding:16px}}.bac-mat-icon.sp-year{font-size:.8rem;font-weight:800;letter-spacing:-.01em;line-height:1;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.sp-le-steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:12px;gap:12px;margin:0 0 24px}.sp-le-step{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border)}.sp-le-step strong{font-size:.95rem}.sp-le-step span:last-child{color:var(--text-dim);font-size:.86rem;line-height:1.5}.sp-le-step-num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:999px;background:#b45309;color:#fff;font-weight:700;font-size:.8rem}.sp-le-modules{margin-bottom:6px}.sp-le-faq{margin-top:24px}.sp-le-badge{font-size:.68rem;font-weight:700;padding:2px 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strong{color:var(--text);font-size:.95rem}.shop-step-icon{font-size:1.5rem}.shop-step-num{position:absolute;top:12px;right:14px;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:800;color:#fff;background:var(--bac-grad)}.shop-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(250px,100%),1fr));grid-gap:16px;gap:16px}.shop-card{--mat-color:hsl(var(--mat-h) 70% 55%);display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;text-decoration:none;background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}:root[data-theme=light] .shop-card{--mat-color:hsl(var(--mat-h) 65% 40%)}.shop-card:hover{transform:translateY(-3px);border-color:var(--mat-color)}.shop-cover{position:relative;display:block;aspect-ratio:3/4;background:linear-gradient(135deg,color-mix(in srgb,var(--mat-color) 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0;padding:0;display:flex;flex-direction:column;gap:4px;font-size:.8rem;color:var(--text-dim)}.shop-points{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));grid-gap:8px;gap:8px}.shop-points li{padding:12px 14px;border-radius:12px;background:var(--bg-card);border:1px solid var(--border);font-size:.9rem;line-height:1.45}.shop-sommaire{margin:0;padding:14px 20px 14px 40px;border-radius:var(--radius-lg);background:var(--bg-card);border:1px solid var(--border);display:flex;flex-direction:column;gap:6px;font-size:.92rem}.shop-cta-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;padding:18px 20px;margin-bottom:28px;border-radius:var(--radius-lg);background:linear-gradient(135deg,color-mix(in srgb,#4f8cff 16%,var(--bg-card)),var(--bg-card) 70%);border:1px solid color-mix(in srgb,#4f8cff 30%,var(--border))}.shop-cta-bottom strong{display:block}.shop-cta-bottom span{font-size:.84rem;color:var(--text-dim)}.shop-faq{margin-top:28px}.shop-faq details{border-top:1px solid var(--border);padding:10px 0}.shop-faq details:first-of-type{border-top:none}.shop-faq summary{cursor:pointer;font-weight:700;font-size:.92rem}.shop-faq details p{margin-top:8px!important}@media (max-width:860px){.shop-detail,.shop-steps{grid-template-columns:1fr}.shop-detail{gap:18px}.shop-detail-cover{max-width:190px}.shop-detail-cover .shop-cover-ph{font-size:3rem}.shop-buybox{max-width:none}}