:root{--bg: #0e1116;--panel: #141924;--border: #222a38;--text: #c7cfdd;--muted: #8b94a7;--accent: #3b82f6;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--bg);color:var(--text);font:13px/1.4 ui-sans-serif,system-ui,sans-serif;overflow:hidden}.gate{display:grid;place-items:center;height:100%}.gate-card{display:flex;flex-direction:column;gap:12px;width:min(360px,90vw);padding:28px;background:var(--panel);border:1px solid var(--border);border-radius:12px}.gate-card h1{margin:0;font-size:22px}.gate-card p{margin:0;color:var(--muted)}.gate-card input,.topbar select,.topbar button{padding:10px 12px;background:#0b0e14;color:var(--text);border:1px solid var(--border);border-radius:8px;font:inherit}.gate-card button{background:var(--accent);border:none;color:#fff;padding:10px 12px;border-radius:8px;cursor:pointer}.gate-card button:disabled{opacity:.6;cursor:default}.gate-card button.gate-link{background:none;color:var(--muted);padding:0;font-size:12px;text-decoration:underline;align-self:center}.gate-error{margin:0;color:#ef5350;font-size:13px}.app{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:8px 12px;background:var(--panel);border-bottom:1px solid var(--border);min-width:0}.topbar-scroll{display:flex;align-items:center;gap:12px;min-width:0;flex:1;overflow-x:auto;scrollbar-width:none}.topbar-scroll::-webkit-scrollbar{display:none}.brand{font-weight:600;letter-spacing:.02em;flex-shrink:0}.topbar select{flex-shrink:0}.tf-group{display:flex;gap:4px;flex-shrink:0}.tf{padding:6px 10px;background:#0b0e14;color:var(--muted);border:1px solid var(--border);border-radius:6px;cursor:pointer;flex-shrink:0}.tf.active{color:#fff;border-color:var(--accent)}.logout{cursor:pointer;flex-shrink:0}.grid{flex:1;display:grid;min-height:0}.err{padding:12px;color:#ef5350}.pane{display:flex;flex-direction:column;min-height:0}.pane-header{display:flex;align-items:center;gap:10px;padding:4px 10px;color:var(--muted);font:11px ui-monospace,monospace;min-width:0;overflow-x:auto;scrollbar-width:none}.pane-header::-webkit-scrollbar{display:none}.pane-header>*{flex-shrink:0}.pane-header .sym{color:var(--text);font-weight:600}.mode-toggle{background:var(--panel-2, #1a1f2b);color:var(--text);border:1px solid var(--border, #2a3142);border-radius:4px;padding:2px 8px;font:11px ui-monospace,monospace;cursor:pointer}.mode-toggle:hover{border-color:var(--muted)}.mode-toggle.active{background:#f0c419;color:#0b0e14;border-color:#f0c419}.conn{text-transform:uppercase;font-size:10px}.conn-open{color:#26a69a}.conn-connecting,.conn-reconnecting{color:#f0a020}.conn-closed{color:#ef5350}.stale{color:#f0a020}.pane-canvas{flex:1;width:100%;min-height:0;touch-action:none;display:block}