.App{min-height:100vh;background-color:#f5f5f5}*{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}.card{background:#fff;border-radius:8px;padding:20px;margin-bottom:20px;box-shadow:0 2px 4px #0000001a}.btn{padding:10px 20px;border:none;border-radius:4px;cursor:pointer;font-size:14px;transition:background-color .2s}.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}.btn-secondary{background-color:#6c757d;color:#fff}.btn-secondary:hover{background-color:#5a6268}.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 textarea{resize:vertical;min-height:100px}.form-group select{cursor:pointer;background-color:#fff}.form-group select:focus{outline:none;border-color:#007bff;box-shadow:0 0 0 3px #007bff1a}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid #ddd}.table th{background-color:#f8f9fa;font-weight:600}.table tr:hover{background-color:#f8f9fa}.badge{display:inline-block;padding:4px 8px;border-radius:4px;font-size:12px;font-weight:500}.badge-success{background-color:#d4edda;color:#155724}.badge-danger{background-color:#f8d7da;color:#721c24}.badge-warning{background-color:#fff3cd;color:#856404}.nav{background-color:#343a40;padding:15px 0;margin-bottom:30px;box-shadow:0 2px 4px #0000001a;position:sticky;top:0;z-index:1000}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:20px}.nav-container>div:first-child{display:flex;gap:20px;align-items:center;flex:1}.nav-link{color:#fff;text-decoration:none;padding:8px 16px;border-radius:4px;transition:background-color .2s;font-weight:500}.nav-link:hover{background-color:#495057}.nav-link.active{background-color:#007bff}.nav-user-info{display:flex;align-items:center;gap:15px;color:#fff}.nav-user-email{color:#fff;padding:8px 16px;font-weight:500}.nav-logout-btn{background:#dc3545;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;font-weight:500;transition:background-color .2s}.nav-logout-btn:hover{background:#c82333}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:30px}.stat-card{background:#fff;border-radius:8px;padding:20px;box-shadow:0 2px 4px #0000001a}.stat-card h3{font-size:14px;color:#6c757d;margin-bottom:10px}.stat-card .value{font-size:32px;font-weight:700;color:#007bff}.loading{text-align:center;padding:40px;color:#6c757d}.error{background-color:#f8d7da;color:#721c24;padding:12px;border-radius:4px;margin-bottom:20px}.success{background-color:#d4edda;color:#155724;padding:12px;border-radius:4px;margin-bottom:20px}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:#fff;border-radius:8px;padding:30px;max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-header h2{margin:0}.close-btn{background:none;border:none;font-size:24px;cursor:pointer;color:#6c757d}.close-btn:hover{color:#343a40}.modal-footer{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}