:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--secondary-color: #f59e0b;--background-color: #f3f4f6;--surface-color: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--danger-color: #ef4444;--success-color: #10b981;--warning-color: #f59e0b;--font-family: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-md: .375rem;--radius-lg: .5rem}body{margin:0;font-family:var(--font-family);background-color:var(--background-color);color:var(--text-primary);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}button{cursor:pointer;font-family:inherit}.container{max-width:1200px;margin:0 auto;padding:2rem}.card{background-color:var(--surface-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:1.5rem}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.5rem 1rem;border-radius:var(--radius-md);font-weight:500;border:none;transition:background-color .2s}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:var(--danger-color);color:#fff}.input-group{margin-bottom:1rem}.input-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-size:.875rem}.input-group input,.input-group select,.input-group textarea{width:100%;padding:.5rem;border:1px solid #d1d5db;border-radius:var(--radius-md);font-size:1rem}.input-group input:focus{outline:2px solid var(--primary-color);border-color:transparent}