:root{color-scheme:light dark;--bg: #0f1115;--panel: #171a21;--border: #2a2e38;--text: #e6e8ec;--muted: #8b93a3;--accent: #4f8cff;--danger: #ff5d5d;--warn: #ffb454;--ok: #45c98f;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--accent)}.app-shell{display:flex;min-height:100vh}.sidebar{width:220px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--border);padding:16px 12px}.sidebar h1{font-size:18px;margin:4px 8px 20px}.sidebar nav{display:flex;flex-direction:column;gap:2px}.sidebar nav a{padding:8px 10px;border-radius:6px;color:var(--text);text-decoration:none;font-size:14px}.sidebar nav a.active,.sidebar nav a:hover{background:#232734}.sidebar .group-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:16px 10px 4px}.main{flex:1;padding:24px 32px;max-width:1200px}.main h2{margin-top:0}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:16px 18px;margin-bottom:20px}.card h3{margin-top:0;font-size:15px}.grid-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.stat-tile{background:#1c2029;border-radius:8px;padding:14px}.stat-tile .label{font-size:12px;color:var(--muted)}.stat-tile .value{font-size:22px;font-weight:600;margin-top:4px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:500}tr:hover td{background:#1a1e27}input,select,button,textarea{font-family:inherit;font-size:13px;background:#1c2029;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 9px}button{cursor:pointer;background:var(--accent);border:none;color:#fff;font-weight:500}button.secondary{background:#1c2029;border:1px solid var(--border);color:var(--text)}button:disabled{opacity:.5;cursor:not-allowed}.form-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:10px}.form-row label{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--muted);flex:1;min-width:120px}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge.ok{background:#45c98f26;color:var(--ok)}.badge.warn{background:#ffb45426;color:var(--warn)}.badge.danger{background:#ff5d5d26;color:var(--danger)}.alert-list{display:flex;flex-direction:column;gap:8px}.alert-item{display:flex;justify-content:space-between;padding:10px 12px;border-radius:8px;background:#1c2029;font-size:13px}.mapping-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;margin-bottom:6px}.hint{color:var(--muted);font-size:12px}