*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--blue: #1a4fa0;--blue-light: #2563eb;--blue-pale: #eff6ff;--white: #ffffff;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-400: #94a3b8;--gray-600: #475569;--gray-800: #1e293b;--red: #dc2626;--red-light: #fef2f2;--green: #16a34a;--green-light: #f0fdf4;--orange: #d97706;--orange-light: #fffbeb;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.12);--shadow-md: 0 4px 12px rgba(0,0,0,.1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--gray-50);color:var(--gray-800);font-size:14px;line-height:1.5}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--blue);color:#fff;display:flex;flex-direction:column;padding:0;flex-shrink:0}.sidebar-brand{padding:20px 16px;font-size:16px;font-weight:700;border-bottom:1px solid rgba(255,255,255,.15)}.sidebar-brand span{font-size:11px;display:block;opacity:.7;font-weight:400;margin-top:2px}.sidebar-nav{padding:8px 0;flex:1}.sidebar-nav a{display:flex;align-items:center;gap:10px;padding:10px 16px;color:#fffc;text-decoration:none;font-size:14px;transition:background .15s}.sidebar-nav a:hover,.sidebar-nav a.active{background:#ffffff26;color:#fff}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.15)}.sidebar-user{font-size:12px;opacity:.8;margin-bottom:8px}.main{flex:1;display:flex;flex-direction:column;overflow:hidden}.topbar{background:#fff;border-bottom:1px solid var(--gray-200);padding:14px 24px;font-size:18px;font-weight:600}.content{flex:1;padding:24px;overflow-y:auto}.card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);box-shadow:var(--shadow);padding:20px}.card-title{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--gray-800)}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin-bottom:24px}.stat-card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);padding:16px;text-align:center;box-shadow:var(--shadow)}.stat-number{font-size:32px;font-weight:700;color:var(--blue)}.stat-label{font-size:12px;color:var(--gray-600);margin-top:4px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);border:none;cursor:pointer;font-size:14px;font-weight:500;text-decoration:none;transition:opacity .15s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--blue-light);color:#fff}.btn-primary:hover:not(:disabled){background:var(--blue)}.btn-secondary{background:var(--gray-100);color:var(--gray-800);border:1px solid var(--gray-200)}.btn-secondary:hover:not(:disabled){background:var(--gray-200)}.btn-danger{background:var(--red);color:#fff}.btn-danger:hover:not(:disabled){opacity:.85}.btn-success{background:var(--green);color:#fff}.btn-warning{background:var(--orange);color:#fff}.btn-warning:hover:not(:disabled){opacity:.85}.btn-sm{padding:5px 10px;font-size:13px}.btn-group{display:flex;gap:8px;flex-wrap:wrap}.form-group{margin-bottom:16px}.form-label{display:block;font-size:13px;font-weight:500;color:var(--gray-600);margin-bottom:6px}.form-control{width:100%;padding:8px 12px;border:1px solid var(--gray-200);border-radius:var(--radius);font-size:14px;background:#fff;transition:border-color .15s}.form-control:focus{outline:none;border-color:var(--blue-light);box-shadow:0 0 0 3px #2563eb1a}select.form-control{cursor:pointer}textarea.form-control{resize:vertical;min-height:80px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th{text-align:left;padding:10px 12px;background:var(--gray-50);border-bottom:2px solid var(--gray-200);font-weight:600;color:var(--gray-600);white-space:nowrap}td{padding:10px 12px;border-bottom:1px solid var(--gray-100);vertical-align:middle}tr:hover td{background:var(--gray-50)}.table-link{color:var(--blue-light);text-decoration:none;font-weight:500}.table-link:hover{text-decoration:underline}.badge{display:inline-block;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:600;white-space:nowrap}.badge-nouveau{background:var(--blue-pale);color:var(--blue)}.badge-vu{background:var(--orange-light);color:var(--orange)}.badge-encours{background:#fef3c7;color:#b45309}.badge-areprendre{background:var(--red-light);color:var(--red)}.badge-pieces{background:#fff7ed;color:#c2410c}.badge-entreprise{background:#fef2f2;color:#991b1b}.badge-resolu{background:#ecfdf5;color:#059669}.badge-valide{background:var(--green-light);color:var(--green)}.badge-task-attente{background:var(--gray-100);color:var(--gray-600)}.badge-task-cours{background:var(--orange-light);color:var(--orange)}.badge-task-terminee{background:#ecfdf5;color:#059669}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px;align-items:flex-end}.filters .form-group{margin-bottom:0;min-width:160px}.photos-grid{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.photo-thumb{width:100px;height:100px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--gray-200);cursor:pointer}.photo-thumb:hover{opacity:.85}.lightbox-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:1000}.lightbox-img{max-width:90vw;max-height:90vh;border-radius:var(--radius)}.lightbox-close{position:absolute;top:16px;right:16px;background:#fff3;color:#fff;border:none;padding:8px 14px;border-radius:var(--radius);cursor:pointer;font-size:16px}.timeline{list-style:none;position:relative;padding-left:20px}.timeline:before{content:"";position:absolute;left:7px;top:0;bottom:0;width:2px;background:var(--gray-200)}.timeline li{position:relative;margin-bottom:12px;padding-left:16px}.timeline li:before{content:"";position:absolute;left:-13px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--blue-light);border:2px solid white;box-shadow:0 0 0 2px var(--gray-200)}.timeline-meta{font-size:12px;color:var(--gray-400)}.alert{padding:12px 16px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.alert-error{background:var(--red-light);color:var(--red);border:1px solid #fecaca}.alert-success{background:var(--green-light);color:var(--green);border:1px solid #bbf7d0}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--blue)}.login-box{background:#fff;border-radius:12px;padding:40px;width:100%;max-width:380px;box-shadow:var(--shadow-md)}.login-logo{text-align:center;margin-bottom:24px}.login-logo h1{color:var(--blue);font-size:22px;font-weight:700}.login-logo p{color:var(--gray-600);font-size:13px;margin-top:4px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:500}.modal{background:#fff;border-radius:var(--radius);padding:24px;width:100%;max-width:480px;box-shadow:var(--shadow-md)}.modal-title{font-size:16px;font-weight:600;margin-bottom:16px}.modal-footer{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}.loading{text-align:center;padding:40px;color:var(--gray-400)}@media (max-width: 768px){.sidebar{display:none}.content{padding:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}}