:root{--bleu:#1B3A5C;--bleu-clair:#2c5f9e;--or:#C8A951;--rouge:#C1272D;--bg:#F4F6F9;--texte:#2c3e50}body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--texte)}.topbar{background:var(--bleu);color:rgba(255,255,255,0.85);font-size:0.8rem;padding:5px 0;border-bottom:2px solid var(--or)}.topbar a{color:rgba(255,255,255,0.85);text-decoration:none}.topbar a:hover{color:var(--or)}.navbar-agreg{background:#fff;border-bottom:3px solid var(--or);box-shadow:0 2px 16px rgba(27,58,92,0.09);padding-top:0;padding-bottom:0;min-height:62px}.navbar-agreg .navbar-brand{font-weight:700;color:var(--bleu) !important;padding:0.6rem 0}.navbar-agreg .nav-link{color:var(--bleu) !important;font-weight:500;font-size:0.88rem;padding:0.55rem 0.9rem !important;border-radius:6px;position:relative;transition:color 0.18s;letter-spacing:0.01em}.navbar-agreg .nav-link::after{content:'';position:absolute;bottom:4px;left:50%;width:0;height:2px;background:var(--or);border-radius:2px;transition:width 0.22s ease,left 0.22s ease}.navbar-agreg .nav-link:hover::after,.navbar-agreg .nav-link.active::after{width:calc(100% - 1.8rem);left:0.9rem}.navbar-agreg .nav-link:hover{color:var(--bleu) !important;background:#f0f4fa}.navbar-agreg .nav-link.active{color:var(--bleu) !important;background:transparent;font-weight:600}.navbar-agreg .dropdown-toggle::after{border-color:var(--bleu-clair) transparent transparent transparent;vertical-align:0.2em;opacity:0.7}.navbar-agreg .dropdown-menu{border:none;border-radius:10px;box-shadow:0 8px 28px rgba(27,58,92,0.14);border-top:3px solid var(--or);padding:0.5rem 0;margin-top:6px;min-width:240px}.navbar-agreg .dropdown-header{font-size:0.72rem;font-weight:700;letter-spacing:0.07em;padding:0.55rem 1.2rem 0.3rem;color:var(--or) !important;text-transform:uppercase}.navbar-agreg .dropdown-item{font-size:0.88rem;padding:0.5rem 1.2rem;color:var(--bleu);border-radius:6px;margin:0 4px;width:calc(100% - 8px);transition:background 0.15s,color 0.15s}.navbar-agreg .dropdown-item:hover{background:#eef3fb;color:var(--bleu)}.navbar-agreg .dropdown-divider{margin:0.25rem 0.8rem;border-color:#e8eef6}.navbar-agreg .navbar-toggler{border:2px solid var(--bleu);border-radius:8px;padding:0.3rem 0.55rem}.navbar-agreg .navbar-toggler:focus{box-shadow:none}.navbar-agreg .navbar-toggler-icon{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231B3A5C' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e")}@media (max-width:991px){.navbar-agreg .nav-link::after{display:none}.navbar-agreg .nav-link:hover,.navbar-agreg .nav-link.active{background:#eef3fb}.navbar-agreg .dropdown-menu{border-top:none;box-shadow:none;border-left:3px solid var(--or);border-radius:0 8px 8px 0;margin:0 0 0 0.5rem}}.navbar-brand-title{font-size:0.95rem;font-weight:700;color:var(--bleu)}.navbar-brand-sub{font-size:0.7rem;color:#888;font-weight:400}.nav-icon{color:var(--bleu)}.navbar-agreg .nav-link-admin{color:var(--or) !important;border:1.5px solid var(--or);border-radius:20px;padding:0.32rem 1rem !important;font-size:0.82rem !important;font-weight:600}.navbar-agreg .nav-link-admin:hover{background:var(--or) !important;color:#fff !important}.navbar-agreg .nav-link-admin::after{display:none}.navbar-agreg .btn-connexion{background:var(--bleu);color:#fff !important;border-radius:20px;padding:0.32rem 1.1rem !important;font-size:0.82rem !important;font-weight:600;border:1.5px solid var(--bleu);transition:background 0.18s,border-color 0.18s,color 0.18s}.navbar-agreg .btn-connexion:hover{background:var(--or);border-color:var(--or);color:#fff !important}.navbar-agreg .btn-connexion::after{display:none}.hero-banner{background:linear-gradient(135deg,var(--bleu) 0%,#0f2340 100%);color:white;padding:56px 0;position:relative;overflow:hidden}.hero-banner::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--rouge),var(--or),var(--rouge))}.hero-banner h1{font-size:2rem;font-weight:700}.card-hover{transition:transform 0.2s,box-shadow 0.2s}.card-hover:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(27,58,92,0.13) !important}.section-title{border-left:4px solid var(--or);padding-left:12px;color:var(--bleu);font-weight:700}.badge-matiere{background:var(--bleu)}.badge-epreuve{background:var(--bleu)}.btn-agreg{background:var(--bleu);border-color:var(--bleu);color:white}.btn-agreg:hover{background:#0f2340;border-color:#0f2340;color:white}.btn-outline-agreg{background:transparent;border:2px solid var(--bleu);color:var(--bleu)}.btn-outline-agreg:hover{background:var(--bleu);border-color:var(--bleu);color:#fff}.bg-agreg{background-color:var(--bleu) !important}.border-agreg{border-color:var(--bleu) !important}.text-agreg{color:var(--bleu) !important}.page-hero{display:flex;align-items:center;gap:20px;background:#fff;border-radius:12px;padding:24px 28px;margin-bottom:32px;border-left:5px solid var(--or);box-shadow:0 2px 12px rgba(27,58,92,0.07)}.page-hero-icon{width:56px;height:56px;background:#eaf0fa;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.4rem;color:var(--bleu);flex-shrink:0}.page-hero-title{font-size:1.45rem;font-weight:800;color:var(--bleu);margin:0 0 4px;line-height:1.2}.page-hero-subtitle{font-size:0.85rem;color:#888;margin:0}.table-planning th{background:var(--bleu);color:white}.nav-tabs .nav-link.active{color:var(--bleu);border-bottom-color:var(--bleu);font-weight:600}.nav-tabs .nav-link:hover{color:var(--bleu)}.accent-line{display:inline-block;width:40px;height:3px;background:var(--or);margin-bottom:1rem}.breadcrumb-agreg{display:flex;align-items:center;flex-wrap:wrap;gap:0;list-style:none;padding:0;margin:0;font-size:0.82rem}.breadcrumb-agreg li{display:flex;align-items:center;color:#8a9bb0}.breadcrumb-agreg li+li::before{content:'';display:inline-block;width:5px;height:5px;border-right:1.5px solid #b0bec5;border-top:1.5px solid #b0bec5;transform:rotate(45deg);margin:0 9px;flex-shrink:0}.breadcrumb-agreg a{color:var(--bleu-clair);text-decoration:none;font-weight:500;transition:color .15s}.breadcrumb-agreg a:hover{color:var(--bleu);text-decoration:underline}.breadcrumb-agreg .active{color:#8a9bb0;font-weight:400}.share-btn{display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:8px;font-size:0.85rem;font-weight:500;border:none;cursor:pointer;text-decoration:none;transition:opacity .18s,transform .15s;color:#fff !important;width:100%}.share-btn:hover{opacity:.88;transform:translateX(2px);color:#fff !important}.share-btn-whatsapp{background:#25D366}.share-btn-twitter{background:#1a1a1a}.share-btn-facebook{background:#1877F2}.share-btn-copy{background:var(--bleu)}.badge-keyword{background:#eaf0fa;color:var(--bleu);border:1px solid #c8d9f0;border-radius:20px;padding:4px 14px;font-size:0.78rem;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:inline-block}.badge-keyword:hover{background:var(--bleu);color:#fff;border-color:var(--bleu)}.fichier-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:9px;border:1.5px solid #e4ecf5;background:#f8fafd;text-decoration:none;color:var(--bleu);transition:background 0.15s,border-color 0.15s,transform 0.12s}.fichier-item:hover{background:#eef3fb;border-color:var(--bleu);color:var(--bleu);transform:translateX(3px)}.fichier-icon{width:36px;height:36px;border-radius:8px;background:#dce8f7;display:flex;align-items:center;justify-content:center;font-size:1rem;color:var(--bleu);flex-shrink:0}.fichier-item:hover .fichier-icon{background:var(--bleu);color:#fff}.fichier-info{display:flex;flex-direction:column;min-width:0}.fichier-nom{font-size:0.88rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.fichier-meta{font-size:0.75rem;color:#8a9bb0}.fichier-dl{font-size:0.78rem;color:#b0c0d8;flex-shrink:0}.fichier-item:hover .fichier-dl{color:var(--bleu)}.article-content{font-size:1.05rem;line-height:1.85;color:var(--texte)}.article-content h1,.article-content h2,.article-content h3,.article-content h4,.article-content h5,.article-content h6{color:var(--bleu);margin-top:1.6rem;margin-bottom:.6rem;font-weight:700}.article-content p{margin-bottom:1rem}.article-content ul,.article-content ol{padding-left:1.4rem;margin-bottom:1rem}.article-content li{margin-bottom:.3rem}.article-content blockquote{border-left:4px solid var(--or);padding:.75rem 1.2rem;margin:1.4rem 0;background:#faf8f2;border-radius:0 6px 6px 0;font-style:italic;color:#5a6a7a}.article-content pre{background:#f3f6fa;border-radius:5px;padding:1rem;overflow-x:auto}.article-content code{background:#f3f6fa;border-radius:3px;padding:.15em .4em;font-size:.9rem}.article-content pre code{padding:0;background:none}.article-content img{max-width:100%;border-radius:8px;margin:.8rem 0}.article-content table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}.article-content th{background:var(--bleu);color:#fff;padding:.55rem .9rem;text-align:left}.article-content td{padding:.5rem .9rem;border-bottom:1px solid #e0e6ef}.article-content tr:nth-child(even) td{background:#f4f6f9}.article-content a{color:var(--bleu-clair);text-decoration:underline}.article-content a:hover{color:var(--bleu)}.icon-or{color:var(--or)}.footer-hr{border-color:#1e3450}.footer-copy{color:#5a7a9a}footer{background:#0f1f33;color:#9fb3c8;border-top:4px solid var(--or)}footer a{color:#9fb3c8;text-decoration:none}footer a:hover{color:var(--or)}footer h5,footer h6{color:#e8edf2}.footer-brand-line{width:40px;height:3px;background:var(--or);margin:8px 0 12px}.profile-nav-avatar{width:28px;height:28px;border-radius:50%;background:var(--or);color:var(--bleu);font-size:.72rem;font-weight:800;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;letter-spacing:.5px}.annonce-banner{border-radius:10px;margin-bottom:10px;overflow:hidden;border:1px solid transparent}.annonce-inner{display:flex;align-items:flex-start;gap:12px;padding:13px 16px}.annonce-icon{font-size:1.1rem;flex-shrink:0;margin-top:1px}.annonce-body{flex:1;font-size:.9rem;line-height:1.5}.annonce-sep{margin:0 .4rem;opacity:.5}.annonce-msg{opacity:.9}.annonce-close{background:none;border:none;cursor:pointer;font-size:.85rem;opacity:.5;padding:2px 4px;flex-shrink:0;transition:opacity .15s}.annonce-close:hover{opacity:1}.annonce-info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.annonce-info .annonce-icon{color:#3b82f6}.annonce-warning{background:#fffbeb;border-color:#fde68a;color:#92400e}.annonce-warning .annonce-icon{color:#f59e0b}.annonce-danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}.annonce-danger .annonce-icon{color:#ef4444}.annonce-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}.annonce-success .annonce-icon{color:#22c55e}