.layout{display:flex;min-height:100vh}.sidebar{width:250px;background:#2c3e50;color:#fff;display:flex;flex-direction:column;padding:20px}.sidebar-header{margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header h1{font-size:24px;margin-bottom:5px}.sidebar-header p{font-size:12px;color:#95a5a6}.nav-menu{list-style:none;flex:1}.nav-menu li{margin-bottom:5px}.nav-menu a{display:flex;align-items:center;gap:10px;padding:12px 15px;color:#fff;text-decoration:none;border-radius:4px;transition:background .3s ease}.nav-menu a:hover{background:#ffffff1a}.logout-btn{display:flex;align-items:center;gap:10px;padding:12px 15px;background:#e74c3c;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:background .3s ease}.logout-btn:hover{background:#c0392b}.main-content{flex:1;padding:30px;overflow-y:auto}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:#fff;padding:40px;border-radius:10px;box-shadow:0 10px 25px #0003;width:100%;max-width:400px}.login-card h1{text-align:center;color:#667eea;margin-bottom:10px;font-size:32px}.login-card h2{text-align:center;color:#333;margin-bottom:30px;font-size:20px;font-weight:400}.error-message{background:#f8d7da;color:#721c24;padding:10px;border-radius:4px;margin-bottom:20px;text-align:center}.login-card .btn{width:100%;margin-top:10px}*{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}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.container{max-width:1200px;margin:0 auto;padding:20px}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:all .3s ease}.btn-primary{background-color:#007bff;color:#fff}.btn-primary:hover{background-color:#0056b3}.btn-danger{background-color:#dc3545;color:#fff}.btn-danger:hover{background-color:#c82333}.btn-success{background-color:#28a745;color:#fff}.btn-success:hover{background-color:#218838}.card{background:#fff;border-radius:8px;box-shadow:0 2px 4px #0000001a;padding:20px;margin-bottom:20px}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:500}.form-group input,.form-group textarea,.form-group select{width:100%;padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:#007bff}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-success{background-color:#d4edda;color:#155724}.badge-purple{background-color:#e9d8fd;color:#553c9a}.badge-danger{background-color:#f8d7da;color:#721c24}.badge-info{background-color:#d1ecf1;color:#0c5460}.unavailable{opacity:.5;filter:grayscale(100%)}