:root{--color-bg:#f8f9fa;--color-surface:#fff;--color-primary:#2563eb;--color-primary-hover:#1d4ed8;--color-text:#1f2937;--color-text-muted:#6b7280;--color-border:#e5e7eb;--color-success:#10b981;--color-danger:#ef4444;--color-warning:#f59e0b;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{color:var(--color-text);background:var(--color-bg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}a{color:var(--color-primary);text-decoration:none}button{cursor:pointer;border-radius:var(--radius);border:none;padding:8px 16px;font-size:14px;font-weight:500}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-border);color:var(--color-text)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:24px}table{border-collapse:collapse;width:100%}th,td{text-align:left;border-bottom:1px solid var(--color-border);padding:12px}th{color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em;font-size:13px;font-weight:600}.badge{border-radius:12px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge-success{color:#065f46;background:#d1fae5}.badge-danger{color:#991b1b;background:#fee2e2}.badge-warning{color:#92400e;background:#fef3c7}.badge-info{color:#1e40af;background:#dbeafe}.badge-gray{color:#4b5563;background:#f3f4f6}