:root{--bg: #0f1115;--panel: #171a21;--border: #2a2e38;--text: #e4e6eb;--muted: #8b90a0;--accent: #4f8cff;--danger: #ff5c5c;--ok: #3ecf8e;--warn: #ffb454;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button{cursor:pointer;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 14px;font-size:14px}button:disabled{opacity:.4;cursor:not-allowed}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}input[type=text],input[type=password]{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:8px 10px;font-size:14px}.center-loading{text-align:center;margin-top:100px;color:var(--muted)}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:32px;width:320px}.login-card h1{margin-top:0;font-size:18px}.login-card form{display:flex;flex-direction:column;gap:14px}.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}.app-shell header{display:flex;align-items:center;gap:20px;padding:14px 24px;border-bottom:1px solid var(--border)}.app-shell header h1{font-size:16px;margin:0}.app-shell nav{display:flex;gap:8px;flex:1}.app-shell nav button.active{border-color:var(--accent);color:var(--accent)}.app-shell main{padding:24px;max-width:1100px;margin:0 auto}.hint{color:var(--muted);font-size:13px;max-width:700px}.error{color:var(--danger)}.success{color:var(--ok)}.matrix-wrap{overflow-x:auto;margin:16px 0}table.matrix{border-collapse:collapse}table.matrix th,table.matrix td{border:1px solid var(--border);text-align:center;padding:0}table.matrix th{background:var(--panel);font-size:12px;padding:8px 10px;white-space:nowrap}table.matrix th.corner{color:var(--muted)}table.matrix td button{width:42px;height:36px;border:none;border-radius:0;background:transparent;font-size:16px}table.matrix td.on button{background:#3ecf8e26;color:var(--ok)}table.matrix td.off button:hover{background:#ffffff0d}.action-bar{display:flex;gap:10px;margin-top:16px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center}.modal{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:24px;width:420px;max-height:80vh;overflow-y:auto}.modal h3{font-size:13px;color:var(--muted);margin-bottom:6px}.modal ul{margin:0 0 12px;padding-left:18px}.modal li.opened{color:var(--ok)}.modal li.closed{color:var(--danger)}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}table.nodes-table{width:100%;border-collapse:collapse;margin-top:12px}table.nodes-table th,table.nodes-table td{border-bottom:1px solid var(--border);padding:10px 8px;text-align:left;font-size:14px;vertical-align:top}tr.untagged{background:#ffb4540f}.badge{font-size:11px;padding:2px 8px;border-radius:10px}.badge.online{background:#3ecf8e26;color:var(--ok)}.badge.offline{background:#8b90a026;color:var(--muted)}.tag-pill{display:inline-block;background:#4f8cff26;color:var(--accent);border-radius:10px;padding:2px 8px;font-size:12px;margin:2px 4px 2px 0}.warn{color:var(--warn);font-size:13px}.tag-editor{display:flex;flex-direction:column;gap:6px;max-width:260px}.tag-checkbox{display:flex;align-items:center;gap:6px;font-size:13px}.new-tag-row{display:flex;gap:6px;margin-top:6px}.new-tag-row input{flex:1}.history-list{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:10px}.history-list li{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--border);border-radius:8px;padding:12px 16px;background:var(--panel)}.history-list .summary{color:var(--muted);font-size:13px;margin-top:4px}.confirm-inline{display:flex;align-items:center;gap:8px}.muted{color:var(--muted)}.small{font-size:12px}.draft-bar{display:flex;align-items:center;gap:10px;padding:10px 24px;background:#ffb4541a;border-bottom:1px solid rgba(255,180,84,.35);color:var(--warn);font-size:14px}.draft-bar span{flex:1}.row-actions{display:flex;gap:6px;flex-wrap:wrap}.mode-toggle{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.mode-toggle button{border:none;border-radius:0;padding:5px 10px;font-size:13px}.mode-toggle button.active{background:var(--accent);color:#fff}tr.rules-row td{background:var(--panel);padding:16px}.rules-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.rules-editor h3{font-size:13px;color:var(--muted);margin:0 0 8px}.rule-list{list-style:none;padding:0;margin:0 0 10px}.rule-list li{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:14px}button.link{background:none;border:none;color:var(--danger);padding:0 4px;font-size:12px}.add-rule{display:flex;gap:6px}.add-rule select{flex:1;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px}.isolation-box{margin-top:16px;padding:12px;border:1px solid var(--danger);border-radius:8px;background:#ff5c5c14}.isolation-box h3{color:var(--danger);margin-top:0}.modal{width:520px}.modal li.warn{color:var(--warn)}@media (max-width: 720px){.rules-columns{grid-template-columns:1fr}}.toolbar{display:flex;align-items:center;gap:14px;margin:12px 0 4px}.switch{display:inline-flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.switch input{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:34px;height:20px;border-radius:10px;background:var(--border);position:relative;cursor:pointer;margin:0;transition:background .15s}.switch input:after{content:"";position:absolute;top:3px;left:3px;width:14px;height:14px;border-radius:50%;background:var(--text);transition:left .15s}.switch input:checked{background:var(--accent)}.switch input:checked:after{left:17px}