@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Fira+Code:wght@400;500&family=Lora:ital,wght@0,400;0,600;1,400&display=swap');
/* @license GPL-2.0-or-later https://www.drupal.org/licensing/faq */
:root{--color-bg:#f7f9fc;--color-surface:#ffffff;--color-border:#e2e8f0;--color-primary:#2563eb;--color-primary-dark:#1d4ed8;--color-primary-light:#dbeafe;--color-sixieme:#7c3aed;--color-cinquieme:#059669;--color-quatrieme:#d97706;--color-troisieme:#dc2626;--color-text:#1e293b;--color-text-light:#64748b;--color-text-muted:#94a3b8;--font-main:'Nunito',sans-serif;--font-serif:'Lora',serif;--font-mono:'Fira Code',monospace;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,0.07);--shadow-sm:0 2px 8px rgba(0,0,0,0.05);--transition:0.2s ease;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{font-size:16px;scroll-behavior:smooth;}body{font-family:var(--font-main);background:var(--color-bg);color:var(--color-text);line-height:1.7;-webkit-font-smoothing:antialiased;}a{color:var(--color-primary);text-decoration:none;transition:color var(--transition);}a:hover{color:var(--color-primary-dark);}img{max-width:100%;height:auto;}.layout-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;}.layout-main-wrapper{display:grid;grid-template-columns:280px 1fr;gap:2rem;padding:2rem 1.5rem;max-width:1200px;margin:0 auto;}.layout-main{min-width:0;}.site-header{background:var(--color-surface);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100;}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;max-width:1200px;margin:0 auto;}.site-logo{display:flex;align-items:center;gap:0.75rem;font-size:1.4rem;font-weight:900;color:var(--color-primary);letter-spacing:-0.5px;}.site-logo .logo-icon{width:40px;height:40px;background:var(--color-primary);border-radius:10px;display:flex;align-items:center;justify-content:center;color:white;font-size:1.2rem;}.primary-menu ul{display:flex;gap:0.25rem;list-style:none;align-items:center;}.primary-menu a{padding:0.5rem 1rem;border-radius:var(--radius-sm);font-weight:600;font-size:0.9rem;color:var(--color-text);transition:all var(--transition);}.primary-menu a:hover,.primary-menu .is-active{background:var(--color-primary-light);color:var(--color-primary);}.menu-level-sixieme a{border-left:3px solid var(--color-sixieme);}.menu-level-cinquieme a{border-left:3px solid var(--color-cinquieme);}.menu-level-quatrieme a{border-left:3px solid var(--color-quatrieme);}.menu-level-troisieme a{border-left:3px solid var(--color-troisieme);}.layout-sidebar-first{position:sticky;top:80px;height:fit-content;}.sidebar-block{background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border);overflow:hidden;margin-bottom:1.5rem;box-shadow:var(--shadow-sm);}.sidebar-block__title{padding:1rem 1.25rem;font-size:0.8rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:var(--color-text-light);background:var(--color-bg);border-bottom:1px solid var(--color-border);}.sidebar-block .menu{list-style:none;padding:0.5rem 0;}.sidebar-block .menu li a{display:block;padding:0.6rem 1.25rem;font-size:0.9rem;color:var(--color-text);transition:all var(--transition);font-weight:600;}.sidebar-block .menu li a:hover,.sidebar-block .menu li.is-active > a{background:var(--color-primary-light);color:var(--color-primary);padding-left:1.75rem;}.breadcrumb{padding:0.75rem 1.5rem;background:var(--color-surface);border-bottom:1px solid var(--color-border);font-size:0.85rem;color:var(--color-text-muted);}.breadcrumb ol{display:flex;gap:0.5rem;list-style:none;flex-wrap:wrap;}.breadcrumb ol li::after{content:'›';margin-left:0.5rem;color:var(--color-border);}.breadcrumb ol li:last-child::after{display:none;}.breadcrumb a{color:var(--color-text-light);}.breadcrumb a:hover{color:var(--color-primary);}.site-footer{background:var(--color-text);color:var(--color-text-muted);padding:2rem 1.5rem;margin-top:4rem;text-align:center;font-size:0.875rem;}.site-footer a{color:#93c5fd;}.niveau-badge{display:inline-flex;align-items:center;gap:0.4rem;padding:0.25rem 0.75rem;border-radius:100px;font-size:0.8rem;font-weight:800;text-transform:uppercase;letter-spacing:0.5px;}.niveau-badge.sixieme{background:#ede9fe;color:var(--color-sixieme);}.niveau-badge.cinquieme{background:#d1fae5;color:var(--color-cinquieme);}.niveau-badge.quatrieme{background:#fef3c7;color:var(--color-quatrieme);}.niveau-badge.troisieme{background:#fee2e2;color:var(--color-troisieme);}.messages{padding:1rem 1.25rem;border-radius:var(--radius-sm);margin-bottom:1.5rem;}.messages--status{background:#d1fae5;border:1px solid #6ee7b7;color:#065f46;}.messages--warning{background:#fef3c7;border:1px solid #fcd34d;color:#92400e;}.messages--error{background:#fee2e2;border:1px solid #fca5a5;color:#991b1b;}@media (max-width:900px){.layout-main-wrapper{grid-template-columns:1fr;}.layout-sidebar-first{position:static;}.primary-menu ul{flex-wrap:wrap;}}@media (max-width:600px){.header-inner{flex-direction:column;gap:1rem;}.layout-main-wrapper{padding:1rem;}}
.cours-header{background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border);padding:2rem;margin-bottom:2rem;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;}.cours-header::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;}.cours-header.sixieme::before{background:var(--color-sixieme);}.cours-header.cinquieme::before{background:var(--color-cinquieme);}.cours-header.quatrieme::before{background:var(--color-quatrieme);}.cours-header.troisieme::before{background:var(--color-troisieme);}.cours-header h1{font-size:1.8rem;font-weight:900;color:var(--color-text);margin:0.75rem 0 0.5rem;line-height:1.2;}.cours-meta{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:1rem;font-size:0.85rem;color:var(--color-text-light);}.cours-body{background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border);padding:2rem;box-shadow:var(--shadow-sm);font-family:var(--font-serif);font-size:1.05rem;line-height:1.85;}.cours-body h2{font-family:var(--font-main);font-size:1.3rem;font-weight:800;color:var(--color-primary);margin:2rem 0 1rem;padding-bottom:0.5rem;border-bottom:2px solid var(--color-primary-light);}.cours-body h3{font-family:var(--font-main);font-size:1.1rem;font-weight:700;color:var(--color-text);margin:1.5rem 0 0.75rem;}.bloc-definition,.bloc-propriete,.bloc-methode,.bloc-attention,.bloc-exemple{border-radius:var(--radius-sm);padding:1.25rem 1.5rem;margin:1.5rem 0;position:relative;}.bloc-definition{background:#ede9fe;border-left:4px solid var(--color-sixieme);}.bloc-propriete{background:#dbeafe;border-left:4px solid var(--color-primary);}.bloc-methode{background:#d1fae5;border-left:4px solid var(--color-cinquieme);}.bloc-attention{background:#fef3c7;border-left:4px solid var(--color-quatrieme);}.bloc-exemple{background:var(--color-bg);border:1px solid var(--color-border);border-left:4px solid var(--color-text-muted);}.bloc-label{font-family:var(--font-main);font-size:0.75rem;font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:0.5rem;display:block;}.bloc-definition .bloc-label{color:var(--color-sixieme);}.bloc-propriete .bloc-label{color:var(--color-primary);}.bloc-methode .bloc-label{color:var(--color-cinquieme);}.bloc-attention .bloc-label{color:var(--color-quatrieme);}.bloc-exemple .bloc-label{color:var(--color-text-muted);}.math-block{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:1rem 1.5rem;margin:1rem 0;text-align:center;overflow-x:auto;font-size:1.2rem;}.katex-display{margin:0 !important;}.pdf-download{display:inline-flex;align-items:center;gap:0.5rem;padding:0.75rem 1.5rem;background:var(--color-primary);color:white;border-radius:var(--radius-sm);font-weight:700;font-size:0.9rem;transition:all var(--transition);margin-top:1.5rem;}.pdf-download:hover{background:var(--color-primary-dark);color:white;transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,0.3);}.cours-navigation{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:2rem;}.cours-nav-link{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:1rem 1.25rem;transition:all var(--transition);display:flex;flex-direction:column;gap:0.25rem;}.cours-nav-link:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm);transform:translateY(-2px);}.cours-nav-link .nav-label{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.5px;color:var(--color-text-muted);}.cours-nav-link .nav-title{font-weight:700;color:var(--color-text);font-size:0.95rem;}.cours-nav-link.next{text-align:right;}
.exercice-card{background:var(--color-surface);border-radius:var(--radius);border:1px solid var(--color-border);overflow:hidden;margin-bottom:1.5rem;box-shadow:var(--shadow-sm);transition:box-shadow var(--transition);}.exercice-card:hover{box-shadow:var(--shadow);}.exercice-card__header{padding:1.25rem 1.5rem;background:var(--color-bg);border-bottom:1px solid var(--color-border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:0.5rem;}.exercice-card__title{font-size:1rem;font-weight:800;color:var(--color-text);}.exercice-card__body{padding:1.5rem;}.difficulte{display:inline-flex;align-items:center;gap:0.3rem;font-size:0.78rem;font-weight:700;padding:0.2rem 0.6rem;border-radius:100px;}.difficulte.facile{background:#d1fae5;color:#065f46;}.difficulte.moyen{background:#fef3c7;color:#92400e;}.difficulte.difficile{background:#fee2e2;color:#991b1b;}.h5p-container{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--color-border);}.exercices-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem;}.exercices-filtres{display:flex;gap:0.75rem;flex-wrap:wrap;margin-bottom:2rem;padding:1.25rem;background:var(--color-surface);border-radius:var(--radius-sm);border:1px solid var(--color-border);}.filtre-btn{padding:0.4rem 1rem;border-radius:100px;border:1.5px solid var(--color-border);background:transparent;font-family:var(--font-main);font-size:0.85rem;font-weight:700;cursor:pointer;transition:all var(--transition);color:var(--color-text-light);}.filtre-btn:hover,.filtre-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:white;}.fiche-item{display:flex;align-items:center;gap:1rem;padding:1rem 1.25rem;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-sm);margin-bottom:0.75rem;transition:all var(--transition);}.fiche-item:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm);}.fiche-icon{width:40px;height:40px;background:#fee2e2;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#dc2626;font-size:1.1rem;flex-shrink:0;}.fiche-info{flex:1;}.fiche-title{font-weight:700;font-size:0.95rem;color:var(--color-text);}.fiche-meta{font-size:0.8rem;color:var(--color-text-muted);margin-top:0.2rem;}.fiche-download{padding:0.4rem 0.9rem;background:var(--color-primary);color:white;border-radius:6px;font-size:0.8rem;font-weight:700;transition:all var(--transition);}.fiche-download:hover{background:var(--color-primary-dark);color:white;}