:root{--bg: #0f1218;--bg-panel: #161b24;--bg-hover: #1d2430;--border: #2a3342;--text: #dbe2ee;--text-dim: #8b96a8;--accent: #4f7cff;--accent-hover: #6890ff;--danger: #e5484d;--ok: #46a758;--warn: #f5a623;--radius: 8px}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font:14px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--bg-panel);border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:16px;letter-spacing:.5px}.brand span{color:var(--accent)}.topbar .spacer{flex:1}.main{display:flex;flex:1;min-height:0}.sidebar{width:200px;padding:12px 8px;border-right:1px solid var(--border);background:var(--bg-panel);display:flex;flex-direction:column;gap:2px}.sidebar a{display:block;padding:8px 12px;border-radius:var(--radius);color:var(--text-dim)}.sidebar a.active,.sidebar a:hover{background:var(--bg-hover);color:var(--text)}.sidebar .section{margin:12px 12px 4px;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim)}.content{flex:1;overflow:auto;padding:20px}@media(max-width:720px){.main{flex-direction:column}.sidebar{width:auto;flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--border)}.sidebar .section{display:none}}h1{font-size:20px;margin:0 0 16px}h1 .sub{font-size:13px;font-weight:400;color:var(--text-dim);margin-left:10px}.card{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--text-dim);font-weight:500;font-size:12px;text-transform:uppercase;letter-spacing:.5px}tr:hover td{background:var(--bg-hover)}button,.btn{background:var(--accent);color:#fff;border:none;border-radius:var(--radius);padding:8px 14px;font:inherit;cursor:pointer}button:hover,.btn:hover{background:var(--accent-hover)}button.secondary{background:var(--bg-hover);color:var(--text);border:1px solid var(--border)}button.danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}button.danger:hover{background:var(--danger);color:#fff}button.ghost{background:transparent;color:var(--text-dim);padding:4px 8px}button.ghost:hover{color:var(--text);background:var(--bg-hover)}button:disabled{opacity:.5;cursor:default}input,select,textarea{background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;font:inherit;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}input[type=color]{padding:2px;height:36px;width:48px}input[type=checkbox]{width:auto}label{display:block;margin-bottom:12px}label .lbl{display:block;margin-bottom:4px;color:var(--text-dim);font-size:12px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:10px;flex-wrap:wrap}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:16px;z-index:50}.modal{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;width:100%;max-width:480px;max-height:90vh;overflow:auto}.modal h2{margin:0 0 16px;font-size:16px}.modal .actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.vlan-chip{display:inline-block;width:14px;height:14px;border-radius:3px;vertical-align:-2px;margin-right:8px;border:1px solid rgba(255,255,255,.25)}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;background:var(--bg-hover);border:1px solid var(--border);color:var(--text-dim)}.badge.admin{color:var(--accent);border-color:var(--accent)}.error{color:var(--danger);margin:8px 0}.empty{color:var(--text-dim);padding:24px;text-align:center}pre.code{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:12px;overflow:auto;font-size:12px;white-space:pre}.note{color:var(--text-dim);font-size:12px}.page2col{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}.page2col.wide-panel{grid-template-columns:1fr 348px}@media(max-width:960px){.page2col,.page2col.wide-panel{grid-template-columns:1fr}}.side-panel{border-left:1px solid var(--border);padding-left:16px;position:sticky;top:12px}@media(max-width:960px){.side-panel{border-left:none;padding-left:0;position:static}}.kicker{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim)}.dot{width:9px;height:9px;border-radius:50%;flex:none;display:inline-block}.kv{display:grid;grid-template-columns:92px 1fr;row-gap:7px;font-size:12px}.kv .k{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);padding-top:2px}.meter{height:5px;background:var(--bg-hover);border-radius:3px;overflow:hidden;margin-top:5px}.meter>div{height:100%}.spark{display:block;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel)}.alert-list{display:flex;flex-direction:column;gap:1px;background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin:0 0 16px}.alert-row{display:flex;align-items:center;gap:10px;background:var(--bg-panel);border:none;border-radius:0;padding:9px 12px;text-align:left;cursor:pointer;color:var(--text);font-size:12px;font-weight:600}.alert-row:hover{background:var(--bg-hover)}.alert-banner{display:flex;align-items:center;gap:10px;border:1px solid var(--danger);border-radius:var(--radius);padding:10px 12px;margin:0 0 16px;font-size:12px;font-weight:600}.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:12px}.device-card{cursor:pointer;gap:9px;display:flex;flex-direction:column;margin-bottom:0}.device-card:hover{background:var(--bg-hover)}.device-card-foot{display:flex;gap:14px;font-size:11px;color:var(--text-dim);border-top:1px solid var(--border);padding-top:8px}.port-legend{display:flex;align-items:center;gap:18px;margin-top:16px;padding-top:10px;border-top:1px solid var(--border);font-size:11px;color:var(--text-dim);flex-wrap:wrap}.port-legend span{display:flex;align-items:center;gap:6px}.port-legend .sw{width:11px;height:11px;border-radius:2px;display:block}.port-legend 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button:not(.on):hover{background:var(--bg-hover)}.vlan-pick{display:flex;flex-direction:column;gap:3px;max-height:340px;overflow:auto}.vlan-row{display:flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--border);border-radius:var(--radius);padding:6px 9px;text-align:left;cursor:pointer;color:var(--text);font-size:12px}.vlan-row:hover{background:var(--bg-hover)}.vlan-row.sel{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,transparent)}.plan-canvas{position:relative;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-panel)}.plan-zone{position:absolute;border:1px dashed var(--border);border-radius:var(--radius);pointer-events:none}.plan-zone span{position:absolute;top:6px;left:8px;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}.plan-node{position:absolute;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:8px 10px;cursor:pointer;-webkit-user-select:none;user-select:none;touch-action:none}.plan-node:hover{border-color:var(--accent)}.toast{position:fixed;left:20px;bottom:20px;z-index:60;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 12px 32px #00000080;padding:10px 14px;display:flex;align-items:center;gap:10px;font-size:12px;font-weight:600;animation:toastin .18s ease-out}.toast-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}@keyframes toastin{0%{transform:translateY(8px);opacity:0}to{transform:none;opacity:1}}.login-wrap{height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.login-card{width:100%;max-width:360px}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}