*{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}.container{max-width:1200px;margin:0 auto;padding:20px}.navbar{background-color:#2c3e50;color:#fff;padding:1rem 2rem;display:flex;justify-content:space-between;align-items:center;box-shadow:0 2px 4px #0000001a}.navbar h1{font-size:1.5rem}.navbar nav{display:flex;gap:1.5rem}.navbar a{color:#fff;text-decoration:none;transition:opacity .2s}.navbar a:hover{opacity:.8}.btn{padding:.5rem 1rem;border:none;border-radius:4px;cursor:pointer;font-size:1rem;transition:all .2s}.btn-primary{background-color:#3498db;color:#fff}.btn-primary:hover{background-color:#2980b9}.btn-danger{background-color:#e74c3c;color:#fff}.btn-danger:hover{background-color:#c0392b}.btn-secondary{background-color:#95a5a6;color:#fff}.btn-secondary:hover{background-color:#7f8c8d}.card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000001a;margin-bottom:1.5rem}.form-group{margin-bottom:1rem}.form-group label{display:block;margin-bottom:.5rem;font-weight:500}.form-group input,.form-group select,.form-group textarea{width:100%;padding:.5rem;border:1px solid #ddd;border-radius:4px;font-size:1rem}.form-group input:focus,.form-group select:focus{outline:none;border-color:#3498db}.table{width:100%;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000001a}.table table{width:100%;border-collapse:collapse}.table th,.table td{padding:1rem;text-align:left;border-bottom:1px solid #eee}.table th{background-color:#f8f9fa;font-weight:600}.table img{width:60px;height:60px;object-fit:cover;border-radius:4px}.loading{display:flex;justify-content:center;align-items:center;height:100vh;font-size:1.5rem;color:#666}.error{background-color:#f8d7da;color:#721c24;padding:1rem;border-radius:4px;margin-bottom:1rem}.success{background-color:#d4edda;color:#155724;padding:1rem;border-radius:4px;margin-bottom:1rem}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal-content{background:#fff;padding:2rem;border-radius:8px;max-width:600px;width:90%;max-height:90vh;overflow-y:auto}.actions{display:flex;gap:.5rem}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin-top:2rem}.dashboard-card{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 2px 4px #0000001a;text-align:center;transition:transform .2s}.dashboard-card:hover{transform:translateY(-4px);box-shadow:0 4px 8px #00000026}.dashboard-card h2{margin-bottom:1rem;color:#2c3e50}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.login-card{background:#fff;padding:2rem;border-radius:8px;box-shadow:0 4px 6px #0000001a;width:100%;max-width:400px}.login-card h1{text-align:center;margin-bottom:2rem;color:#2c3e50}