:root{--color-bg: #F8FAFC;--color-surface: #FFFFFF;--color-primary: #4F46E5;--color-accent: #7C3AED;--color-success: #10B981;--color-danger: #EF4444;--color-border: #E2E8F0;--color-text: #0F172A;--color-text-secondary: #64748B;--radius-md: 12px;--radius-lg: 16px;--shadow-md: 0 4px 16px rgba(79, 70, 229, .08);--gradient-primary: linear-gradient(135deg, #4F46E5, #7C3AED)}*{box-sizing:border-box}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:system-ui,-apple-system,PingFang SC,Microsoft YaHei,sans-serif}button{font:inherit;cursor:pointer}input,select,textarea{font:inherit;padding:8px 10px;border:1px solid var(--color-border);border-radius:8px}.btn{padding:8px 16px;border:none;border-radius:8px;background:var(--color-primary);color:#fff}.btn.secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn.danger{background:var(--color-danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:20px}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{width:360px}.login-card h1{font-size:20px}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:13px;color:var(--color-text-secondary)}.err{color:var(--color-danger);font-size:13px;min-height:18px}.sidebar{width:220px;background:var(--color-surface);border-right:1px solid var(--color-border);min-height:100vh;padding:16px 10px}.sidebar .brand{font-weight:700;padding:6px 10px 18px}.sidebar a{display:block;padding:10px 12px;border-radius:8px;color:var(--color-text);text-decoration:none;margin-bottom:2px}.sidebar a.active{background:var(--color-primary);color:#fff}.sidebar .logout{margin-top:24px}.layout{display:flex}.content{flex:1;padding:24px}table{width:100%;border-collapse:collapse;background:var(--color-surface);border-radius:var(--radius-lg);overflow:hidden}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--color-border);font-size:14px}th{background:#f1f5f9;color:var(--color-text-secondary);font-weight:600}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px}.badge.ok{background:#d1fae5;color:#065f46}.badge.bad{background:#fee2e2;color:#991b1b}.badge.warn{background:#fef3c7;color:#92400e}.modal-backdrop{position:fixed;inset:0;background:#0f172a66;display:flex;align-items:center;justify-content:center}.modal{background:var(--color-surface);border-radius:var(--radius-lg);padding:20px;width:460px;max-width:92vw}.modal h3{margin-top:0}.row{display:flex;gap:8px;align-items:center}.spread{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}