:root{--surface-1:#fcfcfb;--page:#f9f9f7;--text-primary:#0b0b0b;--text-secondary:#52514e;--muted:#898781;--border:#e1e0d9;--border-strong:#c3c2b7;--card-bg:#fff;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text-primary);background:var(--page);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}@media (prefers-color-scheme:dark){:root{--surface-1:#1a1a19;--page:#0d0d0d;--text-primary:#fff;--text-secondary:#c3c2b7;--muted:#898781;--border:#2c2c2a;--border-strong:#383835;--card-bg:#17171a;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{margin:0}h1,h2,h3{margin:0 0 12px;font-weight:600}p{color:var(--text-secondary);margin:0 0 8px}button{font:inherit;cursor:pointer}input,textarea{font:inherit}.app-shell{flex-direction:column;min-height:100vh;display:flex}.topbar{border-bottom:1px solid var(--border);background:var(--surface-1);align-items:center;gap:24px;padding:12px 20px;display:flex}.brand{color:var(--text-primary);font-size:18px;font-weight:700;text-decoration:none}.topbar nav{flex:1;align-items:center;gap:16px;display:flex}.topbar nav a{color:var(--text-secondary);text-decoration:none}.topbar nav a:hover{color:var(--text-primary)}.topbar .spacer{flex:1}.topbar button{border:1px solid var(--border-strong);color:var(--text-primary);background:0 0;border-radius:6px;padding:6px 12px}main{flex:1;min-height:0;display:flex}.loading{text-align:center;width:100%;padding:40px}.auth-page{flex:1;justify-content:center;align-items:center;padding:20px;display:flex}.auth-card{background:var(--card-bg);border:1px solid var(--border);border-radius:12px;flex-direction:column;gap:14px;width:100%;max-width:380px;padding:32px;display:flex}.auth-card label{color:var(--text-secondary);flex-direction:column;gap:4px;font-size:14px;display:flex}.auth-card input{border:1px solid 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var(--border-strong);color:var(--text-secondary);white-space:nowrap;background:0 0;border-radius:6px;padding:6px 10px}.muted{color:var(--muted);font-size:13px}.badge{background:var(--border);color:var(--text-secondary);border-radius:999px;margin-left:6px;padding:2px 8px;font-size:11px;display:inline-block}.chip-row{flex-wrap:wrap;gap:6px;margin-top:4px;display:flex}.chip{color:#2a78d6;background:#2a78d61f;border:1px solid #2a78d640;border-radius:999px;padding:3px 10px;font-size:12px}.chip.removable{align-items:center;gap:4px;display:inline-flex}.chip.removable button{color:inherit;background:0 0;border:none;padding:0;font-size:14px;line-height:1}.tag-input input{border:1px solid var(--border-strong);background:var(--surface-1);width:100%;color:var(--text-primary);border-radius:6px;margin-top:6px;padding:8px 10px}.network-page{width:100%;min-height:0;display:flex}.network-sidebar{border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:16px;width:300px;padding:20px;display:flex;overflow-y:auto}.network-sidebar label{color:var(--text-secondary);flex-direction:column;gap:4px;font-size:14px;display:flex}.network-sidebar input[type=text],.network-sidebar input:not([type]){border:1px solid var(--border-strong);background:var(--surface-1);color:var(--text-primary);border-radius:6px;padding:8px 10px}.legend{flex-direction:column;gap:6px;display:flex}.legend-item{color:var(--text-secondary);align-items:center;gap:8px;font-size:13px;display:flex}.legend-dot{border-radius:50%;width:10px;height:10px;display:inline-block}.legend-hint{color:var(--muted);font-size:12px}.node-detail{border-top:1px solid var(--border);padding-top:16px}.network-canvas{flex:1;min-width:0;position:relative}.cloud-watermark{opacity:.12;pointer-events:none;z-index:0;background-position:50%;background-repeat:repeat;background-size:900px;position:absolute;inset:0}@media (prefers-color-scheme:dark){.cloud-watermark{opacity:.16}}.network-canvas canvas{z-index:1;position:relative}@media (width<=720px){.topbar{flex-wrap:wrap;gap:10px;padding:10px 14px}.topbar nav{flex-wrap:wrap;flex:100%;order:3;gap:10px 16px}.topbar nav .spacer,.topbar nav .muted{display:none}main{flex-direction:column}.dashboard{gap:14px;padding:16px 14px 40px}.card{padding:16px}.auth-card{padding:24px 20px}.network-page{flex-direction:column;height:auto}.network-sidebar{border-right:none;border-bottom:1px solid var(--border);gap:10px;width:100%;max-height:40vh;padding:14px}.network-sidebar .legend{gap:3px}.network-canvas{height:60vh}.contact-list li{flex-direction:column;align-items:stretch}.contact-list button{align-self:flex-start}.search-results li{flex-direction:column;align-items:stretch;gap:8px}.mode-switch{flex-wrap:wrap}}@media (pointer:coarse){button,.card input,.card textarea,.auth-card input,.network-sidebar input,.search-results button,.contact-list button{min-height:44px}}