:root{--primary-color:#4f46e5;--primary-color-hover:#4338ca;--background-color:#f5f5f5;--card-background:#fff;--text-color:#333;--border-color:#ddd}body,html{padding:0;margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--background-color);color:var(--text-color)}a{color:var(--primary-color);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:800px;margin:0 auto;padding:2rem}.card{background-color:var(--card-background);border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,.05);padding:2rem}.form-group{margin-bottom:1rem}.label{display:block;margin-bottom:.25rem;font-weight:600}.input,.select,.textarea{width:100%;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;font-size:1rem;box-sizing:border-box}.textarea{resize:vertical}.btn{display:inline-block;background-color:var(--primary-color);color:#fff;border:none;padding:.6rem 1.2rem;border-radius:4px;cursor:pointer;font-size:1rem}.btn:hover{background-color:var(--primary-color-hover)}.table{width:100%;border-collapse:collapse;margin-top:1rem}.table td,.table th{padding:.75rem;text-align:left;border-bottom:1px solid var(--border-color)}.table thead{background-color:#f9fafb}.table tr:hover{background-color:#f5f5f5}.message-success{color:#16a34a;margin-bottom:1rem}.message-error{color:#dc2626;margin-bottom:1rem}