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7px;background:var(--card)}.chat-inputbar:focus-within{border-color:var(--accent)}.chat-attachbtn{width:30px;height:31px;flex:none;border:none;background:none;color:var(--text-secondary);font-size:21px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center}.chat-attachbtn.has{color:var(--accent)}.chat-input{flex:1;min-width:0;border:none;background:transparent;font-size:13px;padding:2px;color:var(--text-body);resize:none;font-family:inherit;line-height:1.45;max-height:120px;overflow-y:auto}.chat-input:focus{outline:none}.chat-sendbtn{width:31px;height:31px;flex:none;border-radius:50%;border:none;background:var(--accent);color:var(--on-accent);font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center}.chat-sendbtn:disabled{opacity:.5;cursor:default}.chat-foot{font-size:10.5px;color:#b0b0b8;margin-top:8px;text-align:center}.chat-drop{position:absolute;top:8px;right:8px;bottom:8px;left:8px;z-index:8;border:2px dashed var(--accent-border);border-radius:14px;background:color-mix(in srgb,var(--accent) 6%,transparent);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:13px;font-weight:600;pointer-events:none}:root{--canvas: #e9e9ec;--card: #ffffff;--main-bg: #f7f7f8;--accent: #237069;--accent-tint: #edf4f3;--accent-tint-2: #f4f8f7;--accent-border: #c1d7d5;--accent-ink: #2e5f58;--on-accent: #ffffff;--border: #ececec;--border-strong: #e3e3e6;--border-control: #e7e7e9;--border-input: #e2e2e5;--border-media: #e8e8ea;--hairline: #f0f0f0;--text: #0d0d0d;--text-body: #171717;--text-secondary: #565660;--text-dim: #6b6b76;--text-muted: #8a8a92;--text-faint: #9a9aa2;--text-faintest: #a8a8b0;--green: #12a150;--live: #dc2626;--live-ink: #b42318;--live-bg: #fdf2f2;--live-border: #f3d4d4;--danger: #c0392b;--r-sm: 8px;--shadow-card: 0 1px 2px rgba(16, 24, 40, .04);--shadow-pop: 0 18px 48px rgba(16, 24, 40, .22);--topbar-h: 53px;--dock-w: 360px;--font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;--font-mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--canvas);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;color:var(--text)}button{font-family:inherit}input,textarea{font-family:inherit;color:var(--text)}input:focus,textarea:focus{outline:none;border-color:var(--accent)}::-webkit-scrollbar{width:9px;height:9px}::-webkit-scrollbar-thumb{background:#d7d7db;border-radius:6px;border:2px solid transparent;background-clip:content-box}.app-root{height:100%;min-width:960px;display:flex;flex-direction:column;background:var(--card);position:relative}.top-bar{height:var(--topbar-h);flex:none;display:flex;align-items:center;gap:16px;padding:0 18px;background:var(--card);border-bottom:1px solid var(--border);position:relative;z-index:30}.app-body{flex:1;display:flex;min-height:0}.main-area{flex:1;padding:22px;background:var(--main-bg);overflow:auto;min-width:0}.chat-resizer{flex:none;width:5px;margin:0 -2px;cursor:col-resize;z-index:5;touch-action:none}.chat-resizer:hover{background:var(--accent);opacity:.35}.chat-dock{width:var(--dock-w);flex:none;background:var(--card);border-left:1px solid var(--border);display:flex;flex-direction:column;min-height:0}.chat-dock.hidden{display:none}.nav-tab{padding:6px 12px;border-radius:var(--r-sm);font-size:13px;cursor:pointer;white-space:nowrap;color:var(--text-dim);font-weight:500;-webkit-user-select:none;user-select:none;transition:background .12s ease,color .12s ease}.nav-tab:hover{background:#f4f4f6;color:var(--text)}.nav-tab.active{background:#f0f0f1;color:var(--text);font-weight:600}.nav-tab.active:hover{background:#ececee}.settings-gear{width:33px;height:33px;border-radius:9px;display:flex;align-items:center;justify-content:center;border:1px solid var(--border-control);background:var(--card);cursor:pointer;transition:background .12s ease}.settings-gear:hover{background:var(--main-bg)}