*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f5f5;color:#333}.container{max-width:1200px;margin:0 auto;padding:20px}.header{background:#fff;padding:15px 20px;margin-bottom:20px;border-radius:4px;box-shadow:0 1px 3px #0000001a}.btn{padding:8px 16px;border:none;border-radius:4px;cursor:pointer;font-size:14px}.btn-primary{background:#007bff;color:#fff}.btn-primary:hover{background:#0056b3}.btn-danger{background:#dc3545;color:#fff}.btn-danger:hover{background:#c82333}.input{padding:8px 12px;border:1px solid #ddd;border-radius:4px;font-size:14px;width:100%}.table{width:100%;background:#fff;border-collapse:collapse;border-radius:4px;overflow:hidden;box-shadow:0 1px 3px #0000001a}.table th,.table td{padding:12px;text-align:left;border-bottom:1px solid #eee}.table th{background:#f8f9fa;font-weight:600}.card{background:#fff;padding:20px;border-radius:4px;box-shadow:0 1px 3px #0000001a;margin-bottom:20px}.form-group{margin-bottom:15px}.form-group label{display:block;margin-bottom:5px;font-weight:500}textarea.input{min-height:100px;resize:vertical}