:root{--primary-color: #7367F0;--secondary-color: #34a853;--background-color: #f0f4f8;--text-color: #333;--light-text-color: #666;--border-color: #ddd;--success-color: #28a745;--error-color: #dc3545;--shadow: 0 4px 6px rgba(0, 0, 0, .1)}body{font-family:Roboto,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6;margin:0;padding:0}h1,h2,h3,h4,h5,h6{color:var(--primary-color);margin-top:0}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:none}.card{background-color:#fff;border-radius:10px;box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card-header{border-bottom:1px solid var(--border-color);padding-bottom:10px;margin-bottom:20px}.card-title{font-size:1.5rem;color:var(--primary-color);margin:0}.btn{background-color:var(--primary-color);color:#fff;border:none;border-radius:5px;padding:10px 20px;font-size:1rem;cursor:pointer;transition:background-color .3s ease}.btn:hover{background-color:#1557b3}.btn-secondary{background-color:var(--secondary-color)}.btn-secondary:hover{background-color:#2a8a4a}.form-group{margin-bottom:1.5rem}.form-control{width:100%;padding:10px;border:1px solid var(--border-color);border-radius:5px;font-size:1rem}.form-control:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 5px #1a73e84d}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-color)}.alert{padding:10px;border-radius:5px;margin-bottom:20px}.alert-success{background-color:#d4edda;color:var(--success-color);border:1px solid #c3e6cb}.alert-error{background-color:#f8d7da;color:var(--error-color);border:1px solid #f5c6cb}.input-group{display:flex;align-items:center}.input-group .form-control{flex:1;margin-right:10px}.input-group .form-control:last-child{margin-right:0;max-width:100px}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}@media (max-width: 768px){.card{padding:15px}.btn{width:100%;margin-bottom:10px}}