:root{--primary:#1e40af;--primary-light:#3b82f6;--primary-dark:#1e3a8a;--secondary:#059669;--secondary-light:#10b981;--accent:#f59e0b;--bg:#f1f5f9;--bg-dark:#e2e8f0;--card:#fff;--text:#1e293b;--text-light:#64748b;--text-muted:#94a3b8;--border:#e2e8f0;--success:#10b981;--success-bg:#ecfdf5;--warning:#f59e0b;--warning-bg:#fffbeb;--error:#ef4444;--error-bg:#fef2f2;--info:#3b82f6;--info-bg:#eff6ff;--shadow:0 4px 6px -1px rgb(0 0 0/.1);--shadow-md:0 10px 15px -3px rgb(0 0 0/.1);--radius:12px;--radius-sm:8px;--radius-lg:16px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'DM Sans',-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
.layout{display:flex;min-height:100vh}
.sidebar{width:280px;background:linear-gradient(180deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;position:fixed;height:100vh;overflow-y:auto;z-index:100}
.sidebar-header{padding:30px 25px;border-bottom:1px solid rgba(255,255,255,.1)}
.sidebar-logo{display:flex;align-items:center;gap:15px;text-decoration:none;color:#fff}
.sidebar-logo-icon{width:50px;height:50px;background:rgba(255,255,255,.2);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}
.sidebar-logo-text h1{font-size:1.15rem;font-weight:700;line-height:1.3}
.sidebar-logo-text span{font-size:.75rem;opacity:.7}
.sidebar-nav{padding:20px 15px}
.nav-section{margin-bottom:25px}
.nav-section-title{font-size:.7rem;text-transform:uppercase;letter-spacing:1.5px;opacity:.5;padding:0 10px;margin-bottom:10px}
.nav-link{display:flex;align-items:center;gap:12px;padding:12px 15px;color:rgba(255,255,255,.8);text-decoration:none;border-radius:var(--radius-sm);margin-bottom:4px;transition:all .2s;font-size:.95rem}
.nav-link:hover{background:rgba(255,255,255,.1);color:#fff}
.nav-link.active{background:rgba(255,255,255,.2);color:#fff;font-weight:600}
.nav-link-icon{width:22px;text-align:center;font-size:1.1rem}
.nav-badge{margin-left:auto;background:var(--accent);color:var(--text);font-size:.7rem;font-weight:700;padding:3px 8px;border-radius:20px}
.main-content{flex:1;margin-left:280px;padding:30px;min-height:100vh}
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;flex-wrap:wrap;gap:15px}
.page-title{font-size:1.75rem;font-weight:700;color:var(--text)}
.page-subtitle{color:var(--text-light);font-size:.95rem;margin-top:5px}
.card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}
.card-header{padding:20px 25px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.card-title{font-size:1.1rem;font-weight:600;color:var(--text)}
.card-body{padding:25px}
.card-footer{padding:15px 25px;background:var(--bg);border-top:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:30px}
.stat-card{background:var(--card);border-radius:var(--radius-lg);padding:25px;box-shadow:var(--shadow);display:flex;align-items:flex-start;gap:20px;transition:transform .2s,box-shadow .2s}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.stat-icon{width:56px;height:56px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}
.stat-icon.blue{background:#dbeafe;color:#2563eb}
.stat-icon.green{background:#dcfce7;color:#16a34a}
.stat-icon.orange{background:#ffedd5;color:#ea580c}
.stat-icon.purple{background:#f3e8ff;color:#9333ea}
.stat-icon.red{background:#fee2e2;color:#dc2626}
.stat-content h3{font-size:1.8rem;font-weight:700;color:var(--text);line-height:1}
.stat-content p{color:var(--text-light);font-size:.9rem;margin-top:5px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:600;border-radius:var(--radius-sm);border:none;cursor:pointer;text-decoration:none;transition:all .2s;font-family:inherit}
.btn-sm{padding:8px 16px;font-size:.85rem}
.btn-lg{padding:16px 32px;font-size:1.05rem}
.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);color:#fff}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(30,64,175,.3)}
.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--bg-dark)}
.btn-success{background:linear-gradient(135deg,var(--secondary) 0%,var(--secondary-light) 100%);color:#fff}
.btn-success:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(5,150,105,.3)}
.btn-danger{background:linear-gradient(135deg,#dc2626 0%,#ef4444 100%);color:#fff}
.form-group{margin-bottom:20px}
.form-label{display:block;font-weight:600;color:var(--text);margin-bottom:8px;font-size:.9rem}
.form-control{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;font-family:inherit;transition:all .2s;background:var(--card)}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,64,175,.1)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;padding-right:40px}
.table-container{overflow-x:auto}
.table{width:100%;border-collapse:collapse}
.table th,.table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border)}
.table th{background:var(--bg);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-light)}
.table tbody tr{transition:background .15s}
.table tbody tr:hover{background:var(--bg)}
.table td{font-size:.95rem}
.badge{display:inline-flex;align-items:center;padding:4px 12px;font-size:.75rem;font-weight:600;border-radius:20px;text-transform:uppercase;letter-spacing:.5px}
.badge-success{background:var(--success-bg);color:var(--success)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-error{background:var(--error-bg);color:var(--error)}
.badge-info{background:var(--info-bg);color:var(--info)}
.badge-secondary{background:var(--bg);color:var(--text-light)}
.alert{padding:16px 20px;border-radius:var(--radius);margin-bottom:20px;display:flex;align-items:center;gap:12px;font-size:.95rem}
.alert-icon{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;flex-shrink:0}
.alert-success{background:var(--success-bg);color:#065f46;border:1px solid #a7f3d0}
.alert-success .alert-icon{background:var(--success);color:#fff}
.alert-error{background:var(--error-bg);color:#991b1b;border:1px solid #fecaca}
.alert-error .alert-icon{background:var(--error);color:#fff}
.alert-warning{background:var(--warning-bg);color:#92400e;border:1px solid #fde68a}
.alert-warning .alert-icon{background:var(--warning);color:#fff}
.alert-info{background:var(--info-bg);color:#1e40af;border:1px solid #bfdbfe}
.alert-info .alert-icon{background:var(--info);color:#fff}
.upload-zone{border:3px dashed var(--border);border-radius:var(--radius-lg);padding:60px 40px;text-align:center;background:var(--bg);transition:all .3s;cursor:pointer}
.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:rgba(30,64,175,.05)}
.upload-zone-icon{width:80px;height:80px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);border-radius:50%;margin:0 auto 25px;display:flex;align-items:center;justify-content:center;font-size:2rem;color:#fff}
.upload-zone h3{font-size:1.3rem;color:var(--text);margin-bottom:10px}
.upload-zone p{color:var(--text-light);margin-bottom:20px}
.upload-zone input[type="file"]{display:none}
.file-list{margin-top:25px}
.file-item{display:flex;align-items:center;gap:15px;padding:15px;background:var(--card);border-radius:var(--radius-sm);margin-bottom:10px;border:1px solid var(--border)}
.file-icon{width:44px;height:44px;background:var(--success-bg);color:var(--success);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.file-info{flex:1;min-width:0}
.file-name{font-weight:600;color:var(--text);font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-size{color:var(--text-light);font-size:.8rem}
.progress{height:8px;background:var(--bg);border-radius:10px;overflow:hidden;margin-top:10px}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--primary) 0%,var(--primary-light) 100%);border-radius:10px;transition:width .3s}
.ficha-header{display:flex;gap:30px;padding:30px;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);color:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0}
.ficha-avatar{width:120px;height:120px;background:rgba(255,255,255,.2);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:3rem;flex-shrink:0}
.ficha-info h2{font-size:1.8rem;font-weight:700;margin-bottom:8px}
.ficha-info .rut{font-size:1.1rem;opacity:.9;margin-bottom:15px}
.ficha-meta{display:flex;flex-wrap:wrap;gap:20px}
.ficha-meta-item{display:flex;align-items:center;gap:8px;font-size:.95rem;opacity:.9}
.ficha-tabs{display:flex;border-bottom:1px solid var(--border);background:var(--card);overflow-x:auto}
.ficha-tab{padding:16px 24px;font-size:.95rem;font-weight:600;color:var(--text-light);text-decoration:none;border-bottom:3px solid transparent;transition:all .2s;white-space:nowrap}
.ficha-tab:hover{color:var(--primary)}
.ficha-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
.ficha-content{padding:30px;background:var(--card);border-radius:0 0 var(--radius-lg) var(--radius-lg)}
.search-box{position:relative;max-width:400px}
.search-box input{width:100%;padding:12px 16px 12px 48px;border:2px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;transition:all .2s}
.search-box input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,64,175,.1)}
.search-box-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-muted)}
.filters{display:flex;flex-wrap:wrap;gap:15px;margin-bottom:25px;padding:20px;background:var(--bg);border-radius:var(--radius)}
.filter-group{flex:1;min-width:180px}
.filter-group label{display:block;font-size:.8rem;font-weight:600;color:var(--text-light);margin-bottom:6px;text-transform:uppercase;letter-spacing:.5px}
.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:25px;flex-wrap:wrap}
.pagination a,.pagination span{padding:10px 16px;border-radius:var(--radius-sm);text-decoration:none;font-weight:500;font-size:.9rem;transition:all .2s}
.pagination a{background:var(--card);color:var(--text);border:1px solid var(--border)}
.pagination a:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.pagination .active{background:var(--primary);color:#fff;border:1px solid var(--primary)}
.empty-state{text-align:center;padding:60px 40px}
.empty-state-icon{width:100px;height:100px;background:var(--bg);border-radius:50%;margin:0 auto 25px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:var(--text-muted)}
.empty-state h3{font-size:1.3rem;color:var(--text);margin-bottom:10px}
.empty-state p{color:var(--text-light);margin-bottom:25px}
.actions{display:flex;gap:8px}
.action-btn{width:34px;height:34px;border:none;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all .2s;text-decoration:none}
.action-btn.view{background:var(--info-bg);color:var(--info)}
.action-btn.edit{background:var(--warning-bg);color:var(--warning)}
.action-btn.delete{background:var(--error-bg);color:var(--error)}
.action-btn:hover{transform:scale(1.1)}
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.info-item{padding:15px;background:var(--bg);border-radius:var(--radius-sm)}
.info-item label{display:block;font-size:.8rem;color:var(--text-light);text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px}
.info-item span{font-size:1rem;font-weight:600;color:var(--text)}
.course-card{border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:15px;transition:all .2s}
.course-card:hover{box-shadow:var(--shadow)}
.course-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:15px;flex-wrap:wrap;gap:10px}
.course-name{font-size:1.05rem;font-weight:600;color:var(--text)}
.course-meta{display:flex;flex-wrap:wrap;gap:15px;font-size:.85rem;color:var(--text-light)}
@media(max-width:1024px){.sidebar{transform:translateX(-100%);transition:transform .3s}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0}}
@media(max-width:768px){.page-header{flex-direction:column;align-items:flex-start}.stats-grid{grid-template-columns:1fr}.ficha-header{flex-direction:column;text-align:center}.ficha-meta{justify-content:center}.filters{flex-direction:column}.filter-group{min-width:100%}.info-grid{grid-template-columns:1fr}}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.animate-fade-in{animation:fadeIn .3s ease forwards}
@media print{.sidebar,.btn,.action-btn{display:none!important}.main-content{margin-left:0!important}.ficha-header{-webkit-print-color-adjust:exact;print-color-adjust:exact}}