:root{--bg:#0b0d12;--panel:#12151c;--panel-border:#22262f;--text:#e6e8eb;--text-dim:#8b929e;--accent:#5eead4;--accent-dim:#2a3f3c;--danger:#f87171;--waiting:#eab86c;--hud-line:rgba(94,234,212,0.16);--hud-line-strong:rgba(94,234,212,0.4);--hud-glass:rgba(18,21,28,0.72);--hud-glow:rgba(94,234,212,0.25)}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}a{color:inherit}button{font-family:inherit;cursor:pointer}input,textarea{font-family:inherit;background:var(--panel);color:var(--text);border:1px solid var(--panel-border);border-radius:8px;padding:10px 12px}button:focus,input:focus,textarea:focus{outline:1px solid var(--accent)}.hud-label{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim)}.hud-nav{display:flex;align-items:center;gap:4px}.hud-nav-link{position:relative;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;padding:6px 4px;color:var(--text-dim);text-decoration:none;background:none;border:none;cursor:pointer;transition:color .16s ease}.hud-nav-link:after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}.hud-nav-link:hover{color:var(--text)}.hud-nav-link.active{color:var(--accent)}.hud-nav-link.active:after{transform:scaleX(1)}.hud-btn{display:inline-flex;align-items:center;gap:6px;font-size:11px;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;background:var(--hud-glass);border:1px solid var(--panel-border);border-radius:3px;color:var(--text-dim);transition:border-color .16s ease,color .16s ease,box-shadow .16s ease;-webkit-clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px)}.hud-btn:hover{color:var(--text);box-shadow:0 0 0 1px var(--hud-glow)}.hud-btn.active,.hud-btn:hover{border-color:var(--hud-line-strong)}.hud-btn.active{color:var(--accent);background:rgba(94,234,212,.08)}.hud-btn:disabled{opacity:.5;cursor:default;box-shadow:none}.hud-btn.primary{border-color:var(--hud-line-strong);color:var(--accent);font-weight:600}.hud-btn.primary:hover:not(:disabled){box-shadow:0 0 0 1px var(--accent),0 0 14px var(--hud-glow)}.hud-input{font-family:inherit;background:var(--hud-glass);color:var(--text);border:1px solid var(--panel-border);border-radius:3px;padding:10px 12px;font-size:13px;transition:border-color .16s ease,box-shadow .16s ease}.hud-input::placeholder{color:var(--text-dim)}.hud-input:focus{outline:none;border-color:var(--hud-line-strong);box-shadow:0 0 0 1px var(--hud-line-strong),0 0 12px var(--hud-glow)}.hud-status{display:inline-flex;align-items:center;gap:6px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:currentColor}.hud-status-dot{width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 6px currentColor;flex-shrink:0}.hud-toggle{display:inline-flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);cursor:pointer}.hud-toggle-input{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.hud-toggle-dot{width:7px;height:7px;border-radius:50%;border:1px solid var(--text-dim);flex-shrink:0;transition:background .16s ease,border-color .16s ease,box-shadow .16s ease}.hud-toggle-input:checked+.hud-toggle-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 6px var(--hud-glow)}.hud-toggle-input:focus-visible+.hud-toggle-dot{outline:1px solid var(--accent);outline-offset:2px}.hud-msg{padding:9px 12px;font-size:13.5px;line-height:1.5;white-space:pre-wrap}.hud-msg-user{background:var(--hud-glass);border:1px solid var(--panel-border);border-radius:2px}.hud-msg-assistant{background:rgba(94,234,212,.04);border-left:2px solid var(--hud-line-strong);padding-left:10px}@media (max-width:720px){.app-shell{flex-direction:column}.app-shell>:first-child{flex:0 0 46vh;min-height:46vh}.app-shell .hud-chat-sidebar{width:100%!important;border-left:none!important;border-top:1px solid var(--hud-line);flex:1 1 auto;min-height:0}.hud-nav-link{font-size:11px;letter-spacing:.04em}}@keyframes brain-pulse{0%,to{opacity:1}50%{opacity:.5}}.brain-node-active{animation:brain-pulse 1.4s ease-in-out infinite}.brain-node-waiting{animation:brain-pulse 2.6s ease-in-out infinite}.brain-edge-active{stroke-dasharray:4 5;animation:brain-dash .6s linear infinite}@keyframes brain-dash{to{stroke-dashoffset:-9}}