* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: Arial, sans-serif; background-color: #f4f4f9; color: #333; padding: 15px; }
.container { max-width: 1000px; margin: auto; }
h1, h2, h3 { margin-bottom: 15px; color: #2c3e50; }
a { text-decoration: none; color: #3498db; }
.btn { display: inline-block; padding: 10px 15px; background: #3498db; color: white; border: none; border-radius: 5px; cursor: pointer; text-align: center; margin-bottom: 10px;}
.btn-danger { background: #e74c3c; }
.btn-success { background: #2ecc71; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.search-bar { width: 100%; padding: 10px; margin-bottom: 20px; border: 1px solid #ccc; border-radius: 5px; }
.card { background: white; padding: 15px; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); margin-bottom: 20px; }
.grid-gavetas { display: grid; gap: 5px; margin-top: 15px; }
.gaveta-cell { background: #ecf0f1; border: 1px solid #bdc3c7; padding: 10px; text-align: center; border-radius: 4px; position: relative; font-size: 14px; }
.gaveta-cell a { display: block; width: 100%; height: 100%; color: #2c3e50; font-weight: bold;}
.gaveta-cell.locked { background: #e74c3c; color: white; }
.gaveta-cell.locked a { color: white; }
.lock-btn { position: absolute; top: 2px; right: 2px; font-size: 10px; cursor: pointer; background: none; border: none; color: #7f8c8d; }
.gaveta-cell.locked .lock-btn { color: white; }
table { width: 100%; border-collapse: collapse; margin-top: 15px; }
th, td { padding: 10px; border: 1px solid #ddd; text-align: left; }
th { background: #34495e; color: white; }
.form-group { margin-bottom: 15px; }
.form-group input, .form-group textarea { width: 100%; padding: 8px; border: 1px solid #ccc; border-radius: 4px; }