:root{--primary: #4F46E5;--primary-hover: #4338CA;--primary-light: #E0E7FF;--primary-dark: #312E81;--success: #059669;--warning: #D97706;--error: #DC2626;--gray-50: #F9FAFB;--gray-100: #F3F4F6;--gray-200: #E5E7EB;--gray-300: #D1D5DB;--gray-400: #9CA3AF;--gray-500: #6B7280;--gray-600: #4B5563;--gray-700: #374151;--gray-800: #1F2937;--gray-900: #111827;--radius: 8px;--radius-lg: 12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--gray-50);color:var(--gray-900);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;border:none;font-family:inherit;font-size:14px}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-weight:500;transition:background .15s,transform .1s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#fff;color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-50)}.btn-danger{background:var(--error);color:#fff}.card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--gray-200);padding:24px}.input{width:100%;padding:10px 14px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;font-family:inherit;transition:border-color .15s}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:9999px;font-size:12px;font-weight:500}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-error{background:#fee2e2;color:#991b1b}