*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;font-size:14px;color:#1a1a1a;background:#f5f5f5}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit}input,textarea,select{font:inherit}.btn{display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:6px;border:1px solid #d0d0d0;background:#fff;font-size:13px;transition:background .1s}.btn:hover{background:#f0f0f0}.btn.primary{background:#2563eb;color:#fff;border-color:#2563eb}.btn.primary:hover{background:#1d4ed8}.btn.danger{background:#dc2626;color:#fff;border-color:#dc2626}.btn.danger:hover{background:#b91c1c}.btn:disabled{opacity:.5;cursor:default}.input{width:100%;padding:6px 10px;border:1px solid #d0d0d0;border-radius:6px;font-size:13px;outline:none}.input:focus{border-color:#2563eb;box-shadow:0 0 0 2px #2563eb22}label{font-size:12px;font-weight:600;color:#555;display:block;margin-bottom:4px}.field{margin-bottom:12px}.card{background:#fff;border:1px solid #e5e5e5;border-radius:8px;padding:16px}