:root{--bg: #faf6ee;--surface: #fdfaf2;--surface-warm: #fdf9f1;--surface-collect: #fff7eb;--surface-queued: #f5ede0;--ink: #1c1813;--ink-2: #4d4239;--ink-3: #6b5e50;--ink-4: #8a7a66;--ink-5: #a89b8a;--invert: #faf6ee;--border: #e8dfd0;--border-soft: #f0e9d8;--accent: #c2410c;--accent-soft: #fef3e7;--accent-border: #f3d4ad;--success: #15803d;--font-headline: "Times New Roman", Georgia, "Source Han Serif SC", "Songti SC", "SimSun", serif;--font-body: Inter, ui-sans-serif, system-ui, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--radius-chip: 6px;--radius-button: 8px;--radius-input: 8px;--radius-card: 10px;--radius-composer: 10px;--radius-frame: 12px;--radius-pill: 999px}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;min-height:0}body{margin:0;min-height:100vh;overflow:hidden;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--font-headline);font-weight:600;letter-spacing:-.02em;line-height:1.2}p{margin:0}button,input,textarea,select{font:inherit}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);border-radius:var(--radius-button);padding:8px 14px;font-size:13px;font-weight:600;line-height:1.4;cursor:pointer;transition:background .2s ease,border-color .2s ease,color .2s ease}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--ink);color:var(--invert);border-color:var(--ink)}.btn-primary:hover:not(:disabled){background:var(--ink-2);border-color:var(--ink-2)}.btn-warm{background:var(--accent);color:var(--invert);border-color:var(--accent)}.btn-warm:hover:not(:disabled){background:#9a3412;border-color:#9a3412}.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--border)}.btn-ghost:hover:not(:disabled){background:var(--surface);border-color:var(--ink-4);color:var(--ink)}.btn-warm-ghost{background:transparent;color:var(--accent);border-color:var(--accent-border)}.btn-warm-ghost:hover:not(:disabled){background:var(--accent-soft);border-color:var(--accent)}.input,input.input,textarea.input,select.input{width:100%;border:1px solid var(--border);border-radius:var(--radius-input);background:var(--surface);color:var(--ink);padding:10px 12px;font-size:14px;line-height:1.5;outline:none;transition:border-color .12s ease,box-shadow .12s ease}.input:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:1px}textarea.input{min-height:80px;resize:vertical}.card{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);padding:16px}.card-warm{border:1px solid var(--accent-border);border-radius:var(--radius-card);background:var(--surface-warm);padding:16px}.section-label{display:block;font-size:8px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-4);margin-bottom:8px}.status-dot{width:8px;height:8px;border-radius:var(--radius-pill);background:var(--ink-5);display:inline-block;flex-shrink:0}.status-dot.online{background:var(--success)}.status-dot.pulse{animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.landing-shell{position:relative;z-index:1;width:min(1180px,calc(100% - 40px));height:100dvh;margin:0 auto;padding:42px 0;overflow-y:auto}.landing-card{border:1px solid var(--border);border-radius:var(--radius-frame);background:var(--surface);padding:24px}.landing-eyebrow{margin:0 0 8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--accent)}.landing-headline{font-size:clamp(32px,5vw,64px);letter-spacing:-.04em;line-height:1.05;max-width:900px}.landing-subcopy{font-size:16px;line-height:1.65;color:var(--ink-2);max-width:640px;margin-top:12px}.tab-bar{display:flex;gap:4px;border-bottom:1px solid var(--border-soft);margin-bottom:16px}.tab-btn{padding:8px 14px;font-size:13px;font-weight:600;color:var(--ink-3);background:transparent;border:none;border-bottom:2px solid transparent;border-radius:0;cursor:pointer;transition:color .12s ease,border-color .12s ease}.tab-btn:hover{color:var(--ink)}.tab-btn.active{color:var(--ink);border-bottom-color:var(--accent)}.workspace-shell{position:relative;z-index:1;max-width:1600px;width:calc(100% - 28px);height:100dvh;display:flex;flex-direction:column;overflow:hidden;margin:0 auto;padding:12px 0 14px}.workspace-header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:12px;min-height:64px;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius-frame);background:var(--surface)}.header-title h1{font-size:clamp(20px,2.2vw,30px);letter-spacing:-.03em;line-height:1.1}.header-sub{font-size:12px;color:var(--ink-4);margin-top:4px}.header-actions{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px}.status-pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:var(--radius-pill);padding:6px 10px;font-size:12px;font-weight:600;color:var(--ink-3);background:var(--surface-warm)}.lang-toggle{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-3);background:transparent;border:1px solid var(--border);border-radius:var(--radius-button);padding:6px 10px;cursor:pointer}.overflow-menu-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border);border-radius:var(--radius-button);background:transparent;color:var(--ink-3);cursor:pointer}.overflow-menu-btn:hover{background:var(--surface-warm);color:var(--ink)}.workspace-grid{flex:1;min-height:0;display:grid;grid-template-columns:1fr;gap:16px;align-items:stretch}.chat-panel{position:relative;min-height:0;height:100%;display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-frame);background:var(--surface)}.thread{position:relative;z-index:1;flex:1;min-height:0;padding:20px;overflow-y:auto;scrollbar-color:var(--border-soft) transparent}.message{width:min(820px,88%);border:1px solid var(--border);border-radius:var(--radius-card);padding:14px 16px;margin:0 0 12px;line-height:1.65;white-space:pre-wrap;background:var(--surface-warm)}.message-human{margin-left:auto;background:var(--surface);border-color:var(--border-soft)}.message-agent{margin-right:auto;background:var(--surface-warm);border-color:var(--border)}.message-system{margin:0 auto 12px;background:var(--accent-soft);border-color:var(--accent-border)}.message-queued{margin-left:auto;background:var(--surface-queued);border-style:dashed;border-color:var(--accent-border)}.message-meta{display:flex;justify-content:space-between;gap:12px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-4);margin-bottom:6px}.message-body{font-size:14px;line-height:1.65;color:var(--ink)}.empty-thread{border:1px dashed var(--border);border-radius:var(--radius-card);padding:32px;text-align:center;color:var(--ink-3);background:var(--surface-warm)}.empty-thread h2{color:var(--ink);margin-bottom:8px;font-size:18px}.streaming-bubble{margin-right:auto;background:var(--surface-warm);border-color:var(--accent-border)}.streaming-status{font-size:13px;font-weight:600;color:var(--accent)}.composer{position:relative;z-index:2;display:flex;flex-direction:column;gap:0;border-top:1px solid var(--border);background:var(--surface-warm);padding:12px 16px}.composer-collect{background:var(--surface-collect);border-top-color:var(--accent-border)}.composer-queued{background:var(--surface-queued)}.composer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.mode-toggle{display:inline-flex;gap:0;border:1px solid var(--border);border-radius:var(--radius-button);overflow:hidden}.mode-toggle-btn{padding:6px 12px;font-size:12px;font-weight:600;color:var(--ink-3);background:transparent;border:none;border-radius:0;cursor:pointer;transition:background .12s ease,color .12s ease}.mode-toggle-btn.active{background:var(--ink);color:var(--invert)}.composer-hint{font-size:12px;color:var(--ink-4)}.composer-bottom{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:end}.composer-bottom textarea{min-height:52px;max-height:140px;resize:vertical;border-radius:var(--radius-composer)}.composer-actions{display:flex;align-items:center;gap:8px}.collect-badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:var(--radius-pill);background:var(--accent);color:#fff;font-size:11px;font-weight:700;margin-right:6px}.status-strip{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--ink-4);margin-top:8px}.sidebar{min-height:0;height:100%;display:flex;flex-direction:column;gap:12px;overflow-y:auto;padding-right:2px}.sidebar-card{border:1px solid var(--border);border-radius:var(--radius-card);background:var(--surface);padding:14px}.sidebar-card-title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:10px}.sidebar-card-title-row h2{font-size:14px;font-weight:600;letter-spacing:-.01em;margin-bottom:2px}.agent-avatar{width:28px;height:28px;border-radius:var(--radius-pill);background:linear-gradient(135deg,#c2410c,#8b5a3c);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}.permission-tag{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:600;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-border);border-radius:var(--radius-chip);padding:3px 8px}.people-row{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid var(--border-soft)}.people-row:last-child{border-bottom:none}.people-role{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-4)}.people-role.owner{color:var(--accent)}.people-role.other{color:var(--ink-3)}.drawer-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#1c181340}.drawer{position:fixed;right:0;top:0;bottom:0;z-index:50;width:280px;background:var(--surface);border-left:1px solid var(--border);box-shadow:-8px 0 24px #1c18130f;overflow-y:auto;padding:20px}.drawer-close{position:absolute;top:12px;right:12px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:var(--radius-button);background:transparent;color:var(--ink-3);cursor:pointer}.drawer-close:hover{background:var(--surface-warm);color:var(--ink)}.network-banner{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 16px;font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-bottom:1px solid var(--accent-border)}@media(prefers-reduced-motion:reduce){.status-dot.pulse{animation:none}}