.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.auth-card{background:#fff;padding:40px;border-radius:8px;box-shadow:0 10px 25px #0003;width:100%;max-width:400px}.auth-card h1{margin-bottom:30px;text-align:center;color:#333;font-size:1.8rem}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#555}.form-group input{width:100%;padding:12px;border:1px solid #ddd;border-radius:4px;font-size:.95rem}.form-group input:focus{border-color:#667eea;box-shadow:0 0 0 3px #667eea1a}.form-group input:disabled{background-color:#f5f5f5;cursor:not-allowed}.auth-card button[type=submit]{width:100%;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;font-weight:600;border:none;border-radius:4px;cursor:pointer;font-size:1rem;margin-top:10px}.auth-card button[type=submit]:hover:not(:disabled){box-shadow:0 4px 15px #667eea66;transform:translateY(-2px)}.auth-card button[type=submit]:disabled{opacity:.7;cursor:not-allowed}.auth-link{text-align:center;margin-top:20px;color:#666}.auth-link a{color:#667eea;text-decoration:none;font-weight:600}.auth-link a:hover{text-decoration:underline}.error-message{margin-bottom:20px}.dashboard-container{min-height:100vh;background-color:#f5f5f5}.dashboard-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;box-shadow:0 2px 8px #0000001a}.dashboard-header .header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.dashboard-header h1{font-size:1.8rem;margin:0}.role-badge{background:#fff3;padding:6px 12px;border-radius:20px;font-size:.85rem;text-transform:uppercase;font-weight:600}.admin-btn,.logout-btn{background:#fff;color:#667eea;padding:8px 16px;border-radius:4px;font-weight:600;border:none;cursor:pointer;font-size:.9rem}.admin-btn:hover,.logout-btn:hover{background:#f0f0f0}.dashboard-content{max-width:1200px;margin:0 auto;padding:40px 20px}.courses-section h2{font-size:1.5rem;margin-bottom:25px;color:#333}.no-courses{background:#fff;padding:40px;border-radius:8px;text-align:center;color:#999}.courses-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.course-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 8px #0000001a;transition:all .3s ease}.course-card:hover{transform:translateY(-4px);box-shadow:0 4px 16px #00000026}.course-card h3{font-size:1.2rem;margin-bottom:15px;color:#333}.course-info{margin-bottom:15px}.progress-bar{width:100%;height:8px;background:#eee;border-radius:4px;overflow:hidden;margin-bottom:8px}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .3s ease}.progress-text{font-size:.85rem;color:#666;margin:0}.course-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;padding-top:12px;border-top:1px solid #eee}.status-badge{background:#e0e7ff;color:#667eea;padding:4px 12px;border-radius:16px;font-size:.8rem;font-weight:600;text-transform:capitalize}.last-accessed{font-size:.8rem;color:#999}.continue-btn{width:100%;padding:10px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:4px;font-weight:600;cursor:pointer}.continue-btn:hover{box-shadow:0 2px 8px #667eea66}.admin-container{min-height:100vh;background-color:#f5f5f5}.admin-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:20px;box-shadow:0 2px 8px #0000001a}.admin-header .header-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center}.admin-header h1{font-size:1.8rem;margin:0}.user-info{display:flex;gap:15px;align-items:center}.user-name{font-weight:500}.back-btn,.logout-btn{background:#fff;color:#667eea;padding:8px 16px;border-radius:4px;font-weight:600;border:none;cursor:pointer;font-size:.9rem}.back-btn:hover,.logout-btn:hover{background:#f0f0f0}.admin-content{max-width:1200px;margin:0 auto;padding:40px 20px}.users-section h2{font-size:1.5rem;margin-bottom:25px;color:#333}.users-table-wrapper{background:#fff;border-radius:8px;box-shadow:0 2px 8px #0000001a;overflow:hidden}.users-table{width:100%;border-collapse:collapse}.users-table thead{background:#f8f9fa;border-bottom:2px solid #ddd}.users-table th{padding:15px;text-align:left;font-weight:600;color:#333}.users-table td{padding:15px;border-bottom:1px solid #eee}.users-table tbody tr:hover{background:#f8f9fa}.role-badge{padding:6px 12px;border-radius:4px;font-size:.85rem;font-weight:600;text-transform:uppercase}.role-badge.admin{background:#fff3cd;color:#856404}.role-badge.user{background:#d4edda;color:#155724}.action-btn{padding:6px 12px;margin-right:8px;border:none;border-radius:4px;font-size:.85rem;font-weight:600;cursor:pointer}.action-btn.edit{background:#e0e7ff;color:#667eea}.action-btn.edit:hover{background:#c7d2ff}.action-btn.delete{background:#ffebee;color:#c62828}.action-btn.delete:hover{background:#ffcdd2}.notfound-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:20px}.notfound-content{background:#fff;padding:60px 40px;border-radius:8px;text-align:center;box-shadow:0 10px 25px #0003;max-width:500px}.notfound-content h1{font-size:4rem;margin:0;color:#667eea}.notfound-content h2{font-size:1.5rem;margin:15px 0;color:#333}.notfound-content p{color:#666;margin:15px 0 30px;font-size:1rem}.back-link{display:inline-block;padding:12px 30px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-decoration:none;border-radius:4px;font-weight:600;transition:all .3s ease}.back-link:hover{transform:translateY(-2px);box-shadow:0 4px 15px #667eea66}#root{width:100%;min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:#f5f5f5;color:#333}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}button{cursor:pointer;font-size:1rem;border:none;border-radius:4px;padding:10px 20px;transition:all .3s ease}input,textarea,select{font-size:1rem;padding:10px;border:1px solid #ddd;border-radius:4px;font-family:inherit}input:focus,textarea:focus,select:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}.loading{display:flex;align-items:center;justify-content:center;min-height:200px;color:#666;font-size:1.1rem}.error-message{padding:12px 16px;background-color:#ffebee;color:#c62828;border-left:4px solid #c62828;border-radius:4px;margin-bottom:20px}