:root{--bg: #0b0d12;--bg-elev: #14171f;--bg-elev2: #1b1f2a;--border: #262b38;--text: #e6e9ef;--text-dim: #9aa3b2;--text-faint: #6b7383;--accent: #5b8cff;--accent-dim: #2d4a8a;--green: #3fb950;--red: #f85149;--yellow: #d29922;--radius: 14px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font:15px/1.5 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,system-ui,sans-serif;overscroll-behavior-y:none}button{font:inherit;color:inherit;cursor:pointer}input,textarea,select{font:inherit}a{color:var(--accent)}.app{height:100%;display:flex;flex-direction:column}.btn{background:var(--bg-elev2);border:1px solid var(--border);color:var(--text);border-radius:10px;padding:10px 14px;font-weight:500}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn-danger{background:transparent;border-color:var(--red);color:var(--red)}.btn-ghost{background:transparent;border-color:transparent}.row{display:flex;gap:8px;align-items:center}.col{display:flex;flex-direction:column;gap:8px}.spacer{flex:1}.dim{color:var(--text-dim)}.faint{color:var(--text-faint)}.mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:12.5px}.pill{font-size:12px;padding:3px 8px;border-radius:999px;background:var(--bg-elev2);border:1px solid var(--border);color:var(--text-dim)}.center-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;padding-top:calc(24px + var(--safe-top))}.card{width:100%;max-width:420px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.card h1{font-size:20px;margin:0 0 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.title{font-weight:600;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.icon-btn{background:transparent;border:none;padding:6px;font-size:20px;line-height:1;border-radius:8px;color:var(--text)}.icon-btn:active{background:var(--bg-elev2)}.conn-dot{width:9px;height:9px;border-radius:50%;background:var(--text-faint);flex:none}.conn-dot.online{background:var(--green)}.conn-dot.connecting,.conn-dot.reconnecting{background:var(--yellow)}.conn-dot.offline{background:var(--red)}.chathead{display:flex;flex-direction:column;gap:8px;padding:8px 12px;background:var(--bg-elev);border-bottom:1px solid var(--border)}.chathead .controls{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.select{background:var(--bg-elev2);border:1px solid var(--border);border-radius:8px;padding:6px 8px;color:var(--text);font-size:13px}.ctxbar{height:5px;border-radius:3px;background:var(--bg-elev2);overflow:hidden}.ctxbar>div{height:100%;background:var(--accent)}.ctxlabel{font-size:11.5px;color:var(--text-dim);display:flex;justify-content:space-between}.stream{flex:1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch}.msg-user{align-self:flex-end;max-width:85%;background:var(--accent-dim);border:1px solid #38538f;border-radius:14px 14px 4px;padding:9px 13px;white-space:pre-wrap;word-break:break-word}.msg-assistant{align-self:flex-start;max-width:92%;word-break:break-word}.md p{margin:0 0 8px}.md p:last-child{margin-bottom:0}.md pre{background:var(--bg-elev);border:1px solid var(--border);border-radius:10px;padding:10px;overflow-x:auto;font-family:ui-monospace,Menlo,monospace;font-size:12.5px}.md code{font-family:ui-monospace,Menlo,monospace;font-size:.9em;background:var(--bg-elev2);padding:1px 5px;border-radius:5px}.md pre 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var(--border);border-radius:8px;padding:9px;overflow-x:auto;font-size:12px;max-height:360px;overflow-y:auto}.kv{font-size:12px;color:var(--text-dim);margin-bottom:6px}.filelink{color:var(--accent);text-decoration:underline;cursor:pointer;font-family:ui-monospace,Menlo,monospace;font-size:12px}.diff-add{color:var(--green);display:block}.diff-del{color:var(--red);display:block}.turnstats{align-self:center;font-size:11.5px;color:var(--text-faint);display:flex;gap:10px;flex-wrap:wrap;justify-content:center;padding:2px 0}.composer{display:flex;gap:8px;padding:10px 12px;padding-bottom:calc(10px + var(--safe-bottom));background:var(--bg-elev);border-top:1px solid var(--border);align-items:flex-end}.composer textarea{flex:1;resize:none;background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:10px 12px;color:var(--text);max-height:140px;min-height:42px}.composer textarea:focus{outline:none;border-color:var(--accent)}.send-btn{flex:none;width:44px;height:44px;border-radius:50%;border:none;background:var(--accent);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center}.send-btn:disabled{opacity:.4}.stop-btn{background:var(--red)}.scrim{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:40}.drawer{position:fixed;top:0;bottom:0;left:0;width:82%;max-width:340px;background:var(--bg-elev);border-right:1px solid var(--border);z-index:50;display:flex;flex-direction:column;padding-top:var(--safe-top);transform:translate(0);box-shadow:2px 0 24px #0006}.drawer .drawer-head{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}.drawer .sess-list{flex:1;overflow-y:auto;padding:8px}.sess-item{padding:11px 12px;border-radius:10px;margin-bottom:4px;border:1px solid transparent}.sess-item.active{background:var(--bg-elev2);border-color:var(--border)}.sess-item .sess-title{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sess-item .sess-meta{font-size:11.5px;color:var(--text-faint);display:flex;gap:8px;margin-top:2px}.drawer .drawer-foot{border-top:1px solid var(--border);padding:12px;padding-bottom:calc(12px + var(--safe-bottom))}.sheet-wrap{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:flex;align-items:flex-end}.sheet{width:100%;background:var(--bg-elev);border-top:1px solid var(--border);border-radius:18px 18px 0 0;padding:16px;padding-bottom:calc(16px + var(--safe-bottom));max-height:70%;overflow-y:auto;z-index:61}.sheet h3{margin:0 0 4px;font-size:16px}.fs-list{flex:1;overflow-y:auto}.fs-row{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--border)}.fs-row .fs-icon{width:22px;text-align:center}.fs-row .fs-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fs-row .fs-size{font-size:11.5px;color:var(--text-faint)}.breadcrumb{padding:8px 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