:root{--bg: #f4f6fb;--panel: #ffffff;--border: #e4e7ec;--text: #101828;--muted: #667085;--primary: #2563eb;--primary-weak: #eef2ff;--danger: #b42318;--ok: #067647;--radius: 10px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.4rem;margin:0 0 18px}h2{font-size:1.05rem;margin:0 0 12px}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px 12px;position:sticky;top:0;height:100vh}.brand{font-weight:700;font-size:1.05rem;padding:6px 10px 16px}.nav a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);margin-bottom:2px}.nav a:hover{background:var(--bg);text-decoration:none}.nav a.active{background:var(--primary-weak);color:var(--primary);font-weight:600}.sidebar-foot{margin-top:auto;padding:10px;color:var(--muted);font-size:.85rem}.content{flex:1;padding:28px 32px;max-width:1200px}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:18px}.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.stat{text-align:left}.stat .value{font-size:2rem;font-weight:700}.stat .label{color:var(--muted)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spacer{flex:1}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.02em}tr:hover td{background:#fafbfc}.table-wrap{overflow-x:auto}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--text);cursor:pointer;font-size:.9rem}.btn:hover{background:var(--bg)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{opacity:.92;background:var(--primary)}.btn.danger{color:var(--danger);border-color:#fecdca}.btn.sm{padding:5px 10px;font-size:.82rem}.btn:disabled{opacity:.5;cursor:default}.input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:.92rem;background:var(--panel);color:var(--text);font-family:inherit}textarea{min-height:90px;resize:vertical}label{display:block;font-size:.82rem;color:var(--muted);margin:0 0 5px}.field{margin-bottom:14px}.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:.78rem;font-weight:600}.badge.ok{background:#ecfdf3;color:var(--ok)}.badge.off{background:#fef3f2;color:var(--danger)}.badge.neutral{background:var(--bg);color:var(--muted)}.alert{background:#fef3f2;border:1px solid #fecdca;color:var(--danger);padding:10px 12px;border-radius:8px;margin-bottom:14px}.notice{background:var(--primary-weak);border:1px solid #c7d2fe;color:var(--primary);padding:10px 12px;border-radius:8px;margin-bottom:14px}.muted{color:var(--muted)}pre{background:#0b0f19;color:#e7e9ee;padding:14px;border-radius:8px;overflow-x:auto;font-size:.82rem}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px}.tabs button{border:0;background:none;padding:9px 14px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}.tabs button.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#10182873;display:flex;align-items:center;justify-content:center;padding:20px;z-index:20}.modal{background:var(--panel);border-radius:var(--radius);padding:22px;width:100%;max-width:460px}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-card{width:100%;max-width:360px}