*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--ocean: #0B2447;--sea: #19376D;--wave: #0EA5E9;--coral: #FF6B35;--sand: #FFF8F0;--sand-light: #F0F9FF;--danger: #EF4444;--success: #10B981;--whatsapp: #25D366;--radius: 12px;--radius-sm: 8px}body{font-family:Nunito,system-ui,sans-serif;color:#1a1a2e;background:var(--sand);-webkit-font-smoothing:antialiased}h1,h2,h3{font-family:Syne,system-ui,sans-serif}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;border:none;border-radius:var(--radius-sm);font-family:Nunito,sans-serif;font-weight:700;font-size:14px;cursor:pointer;transition:transform .15s,opacity .15s}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-coral{background:var(--coral);color:#fff}.btn-wave{background:var(--wave);color:#fff}.btn-outline{background:transparent;border:2px solid var(--ocean);color:var(--ocean)}.btn-danger{background:var(--danger);color:#fff}.btn-whatsapp{background:var(--whatsapp);color:#fff;text-decoration:none}.btn-sm{padding:6px 14px;font-size:13px}.btn-full{width:100%;justify-content:center;padding:14px;font-size:16px;margin-top:16px}.admin{min-height:100vh;background:linear-gradient(135deg,var(--ocean) 0%,var(--sea) 100%);color:#fff;padding:0 0 2rem}.admin-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;gap:12px;background:#00000026}.admin-header-left{display:flex;flex-direction:column;gap:4px}.admin-title{font-size:1.5rem;font-weight:800}.admin-sync-info{font-size:12px;opacity:.7}.admin-header-actions{display:flex;gap:8px;flex-wrap:wrap}.week-nav{display:flex;justify-content:center;gap:8px;padding:12px 1rem}.week-nav .btn-sm{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2)}.week-nav .btn-sm:hover{background:#fff3}.admin-grid{display:grid;grid-template-columns:120px repeat(7,1fr);gap:1px;margin:0 1rem;background:#ffffff14;border-radius:var(--radius);overflow:hidden}.grid-header-cell{padding:10px 8px;font-size:12px;font-weight:700;text-align:center;text-transform:capitalize;background:#ffffff0d}.grid-header-cell.today{background:var(--coral);color:#fff}.grid-moniteur-cell{padding:12px 10px;font-weight:700;font-size:14px;display:flex;align-items:center;gap:8px;background:#ffffff08}.mon-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.grid-cell{padding:6px;min-height:70px;background:#ffffff05;cursor:pointer;transition:background .15s}.grid-cell:hover{background:#ffffff14}.cours-card{padding:5px 8px;margin-bottom:4px;border-radius:6px;font-size:11px;cursor:pointer;transition:transform .1s}.cours-card:hover{transform:scale(1.03)}.cours-heure{font-weight:800;display:block}.cours-type{display:block;font-weight:600}.cours-duree{font-size:10px;opacity:.7}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem;animation:fadeIn .2s}.modal{background:#fff;color:var(--ocean);border-radius:var(--radius);padding:2rem;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;position:relative;animation:slideUp .25s}.modal h2{font-size:1.3rem;margin-bottom:1.25rem}.modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:24px;cursor:pointer;color:#999;line-height:1}.sync-steps{display:flex;flex-direction:column;gap:16px;margin-bottom:20px}.sync-step{display:flex;gap:14px;align-items:flex-start}.step-num{width:28px;height:28px;background:var(--coral);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;flex-shrink:0}.sync-step p{font-size:14px;line-height:1.5}.sync-hint{font-size:12px;color:#888;margin-top:6px}.sync-substeps{margin:8px 0 0 18px;font-size:13px;line-height:1.8}.sync-substeps code{background:#e2e8f0;padding:2px 6px;border-radius:4px;font-size:12px}.course-form{display:flex;flex-direction:column;gap:14px}.course-form label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:700}.course-form select,.course-form input,.course-form textarea{padding:8px 12px;border:2px solid #e2e8f0;border-radius:var(--radius-sm);font-family:Nunito,sans-serif;font-size:14px;transition:border-color .15s}.course-form select:focus,.course-form input:focus,.course-form textarea:focus{outline:none;border-color:var(--wave)}.form-row{display:flex;gap:12px}.form-row label{flex:1}.form-actions{display:flex;gap:10px;margin-top:8px}.envoyer-list{display:flex;flex-direction:column;gap:12px;margin-bottom:16px}.envoyer-item{padding:12px 14px;background:var(--sand);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.envoyer-info{flex:1;min-width:0}.envoyer-info strong{display:block;margin-bottom:4px}.envoyer-link{font-size:11px;color:#666;word-break:break-all;background:#e2e8f0;padding:3px 6px;border-radius:4px}.envoyer-actions{display:flex;gap:6px}.envoyer-hint{font-size:12px;color:#888;line-height:1.5}.moniteur-view{min-height:100vh;background:var(--sand-light)}.mon-container{max-width:480px;margin:0 auto}.mon-header{padding:2rem 1.5rem 1.5rem;color:#fff;text-align:center}.mon-header h1{font-size:2rem;font-weight:800}.mon-subtitle{opacity:.85;font-size:14px;margin-top:4px}.mon-actions{display:flex;flex-direction:column;gap:8px;padding:12px 1rem}.mon-btns{display:flex;gap:8px;justify-content:center}.mon-actions .week-nav{justify-content:center}.mon-actions .btn-sm{background:#fff;color:var(--ocean);border:1px solid #e2e8f0}.day-filter{display:flex;gap:6px;padding:0 .5rem;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.day-filter::-webkit-scrollbar{display:none}.day-chip{flex-shrink:0;position:relative;padding:6px 12px;border:1px solid #e2e8f0;border-radius:20px;background:#fff;color:var(--ocean);font-family:Nunito,sans-serif;font-size:12px;font-weight:700;cursor:pointer;transition:all .15s;text-transform:capitalize}.day-chip:hover{border-color:#cbd5e1}.day-chip-active{border-color:transparent}.day-chip-today{font-weight:800}.day-chip-empty{opacity:.45}.day-chip-dot{display:block;width:5px;height:5px;border-radius:50%;margin:3px auto 0}.day-chip-active .day-chip-dot{background:#fff!important}.mon-offline-banner{background:#fef3c7;color:#92400e;text-align:center;padding:8px;font-size:13px;font-weight:600}.mon-sync-info{text-align:center;font-size:12px;color:#888;padding:4px 1rem}.mon-days{padding:0 1rem 2rem}.mon-day{margin-bottom:16px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 1px 4px #0000000f}.mon-day-today{box-shadow:0 0 0 2px var(--mon-color, var(--coral)),0 2px 8px #0000001a}.mon-day-empty{opacity:.5}.mon-day-title{padding:10px 14px;font-size:14px;font-weight:700;text-transform:capitalize;background:#f8fafc;border-bottom:1px solid #f1f5f9}.mon-day-today .mon-day-title{background:var(--mon-color, var(--coral));color:#fff}.mon-day-off{padding:12px 14px;color:#aaa;font-size:13px;font-style:italic}.mon-cours-card{padding:12px 14px;border-bottom:1px solid #f1f5f9}.mon-cours-card:last-child{border-bottom:none}.mon-cours-time{font-weight:800;font-size:15px;color:var(--ocean)}.mon-cours-type{font-weight:600;font-size:14px;margin-top:2px}.mon-cours-duree{font-size:12px;color:#888}.mon-day-tides{padding:6px 14px 8px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;border-bottom:1px solid #f1f5f9;background:#f8fafc;font-size:11px}.tide-coeff{font-weight:800;color:var(--ocean);background:#dbeafe;padding:2px 8px;border-radius:4px}.tide-item{font-weight:600;color:#6b7280}.tide-high{color:#0b2447}.mon-cours-meteo{font-size:12px;color:#0b2447;margin-top:4px;padding:3px 8px;background:#eff6ff;border-radius:4px;display:inline-block;font-weight:600}.mon-cours-eleves{font-size:12px;color:#6b7280;margin-top:2px;font-weight:600}.mon-cours-spot{font-size:12px;color:var(--wave);margin-top:4px}.mon-cours-notes{font-size:12px;color:#666;margin-top:4px;font-style:italic}.mon-week-summary{display:flex;justify-content:space-between;align-items:center;margin:0 1rem 8px;padding:10px 14px;background:#fff;border-radius:var(--radius-sm);font-size:14px;font-weight:700;color:var(--ocean);box-shadow:0 1px 4px #0000000f}.install-banner{background:var(--ocean);color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;animation:slideDown .3s}.install-banner-text{font-size:13px;line-height:1.4;flex:1;min-width:0}.install-banner-btns{display:flex;gap:8px;flex-shrink:0}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (max-width: 768px){.admin-header{flex-direction:column;align-items:flex-start}.admin-grid{grid-template-columns:80px repeat(7,1fr);font-size:11px;margin:0 .5rem}.grid-moniteur-cell{font-size:12px;padding:8px 6px}.grid-cell{min-height:50px;padding:3px}.cours-card{font-size:10px;padding:3px 5px}}@media (max-width: 480px){.admin-grid{grid-template-columns:60px repeat(7,1fr);gap:0}.grid-header-cell{font-size:10px;padding:6px 2px}.mon-header h1{font-size:1.6rem}}