:root{--bg: #fbfbfa;--bg-soft: #f4f4f2;--surface: #ffffff;--ink: #18181b;--ink-2: #3f3f46;--muted: #71717a;--faint: #a1a1aa;--solid: var(--ink);--on-solid: #ffffff;--line: #ececec;--line-strong: #e0e0de;--accent: #4f46e5;--accent-strong: #4338ca;--accent-soft: #eef2ff;--accent-ink: #3730a3;--ok: #15803d;--ok-soft: #ecfdf3;--warn: #b45309;--warn-soft: #fff7ed;--r-sm: 5px;--r-md: 7px;--r-lg: 11px;--r-xl: 16px;--r-pill: 999px;--shadow-sm: 0 1px 2px rgba(24, 24, 27, .04), 0 1px 3px rgba(24, 24, 27, .06);--shadow-md: 0 4px 12px rgba(24, 24, 27, .06), 0 2px 4px rgba(24, 24, 27, .04);--shadow-lg: 0 24px 48px -12px rgba(24, 24, 27, .12), 0 8px 16px -8px rgba(24, 24, 27, .08);--font: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color-scheme:light}:root[data-theme=dark]{--bg: #0c0c0f;--bg-soft: #17171c;--surface: #161619;--ink: #f4f4f5;--ink-2: #d4d4d8;--muted: #9b9ba4;--faint: #6b6b75;--on-solid: #18181b;--line: #26262d;--line-strong: #34343d;--accent: #818cf8;--accent-strong: #a5b4fc;--accent-soft: #1d1b33;--accent-ink: #c7d2fe;--ok: #4ade80;--ok-soft: #0d2018;--warn: #fbbf24;--warn-soft: #241803;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4), 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .45), 0 2px 4px rgba(0, 0, 0, .3);--shadow-lg: 0 24px 48px -12px rgba(0, 0, 0, .6), 0 8px 16px -8px rgba(0, 0, 0, .45);color-scheme:dark}:root[data-theme=dark] .nav{background:#0c0c0fb8}:root[data-theme=dark] .badge-danger{background:#2a1416;color:#fca5a5}:root[data-theme=dark] .btn-primary:hover:not(:disabled){background:#fff}:root[data-theme=dark] .graph-edge{stroke:#34343d}:root[data-theme=dark] .graph-controls{background:#16161ad1}*{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;background:var(--bg);color:var(--ink-2);font-family:var(--font);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3,h4{color:var(--ink);line-height:1.15;letter-spacing:-.02em;margin:0;font-weight:700}p{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit;color:inherit}::selection{background:var(--accent-soft);color:var(--accent-ink)}.app{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1120px,calc(100% - 48px));margin:0 auto}.main{flex:1;padding:56px 0 96px}.nav{position:sticky;top:0;z-index:20;background:#fbfbfacc;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem;letter-spacing:-.03em;color:var(--ink)}.brand-mark{display:grid;place-items:center;width:28px;height:28px;border-radius:var(--r-md);background:var(--solid);color:var(--on-solid);font-size:.85rem;font-weight:800}.brand-mark .dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 3px #4ade8040}.nav-links{display:flex;align-items:center;gap:4px}.nav-link{padding:8px 14px;border-radius:var(--r-pill);color:var(--muted);font-weight:500;font-size:.94rem;transition:color .15s ease,background .15s ease}.nav-link:hover{color:var(--ink);background:var(--bg-soft)}.nav-link.active{color:var(--ink);background:var(--surface);box-shadow:var(--shadow-sm)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:var(--r-md);border:1px solid 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12px;font-size:.86rem;border-radius:var(--r-sm)}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}.card-pad{padding:24px}.eyebrow{display:inline-block;text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;font-weight:600;color:var(--accent);margin-bottom:14px}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--r-pill);font-size:.78rem;font-weight:600;line-height:1.4}.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor}.badge-ok{background:var(--ok-soft);color:var(--ok)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-danger{background:#fef2f2;color:#dc2626}.badge-accent{background:var(--accent-soft);color:var(--accent-ink)}.badge-neutral{background:var(--bg-soft);color:var(--muted)}.chip{display:inline-flex;align-items:center;padding:8px 14px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line-strong);color:var(--ink-2);font-size:.88rem;font-weight:500;cursor:pointer;transition:all .15s ease}.chip:hover{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft)}.field{display:grid;gap:7px;margin-bottom:18px}.field label{font-size:.86rem;font-weight:600;color:var(--ink-2)}.input,.textarea,.select{width:100%;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line-strong);background:var(--surface);color:var(--ink);transition:border-color .15s ease,box-shadow .15s ease}.input::placeholder,.textarea::placeholder{color:var(--faint)}.textarea{resize:vertical;min-height:88px;line-height:1.6}.input:focus,.textarea:focus,.select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}.hero{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.hero-title{font-size:clamp(2.4rem,4.4vw,3.5rem);font-weight:800;letter-spacing:-.035em;margin:0 0 20px}.hero-title .accent{color:var(--accent)}.hero-text{font-size:1.12rem;color:var(--muted);max-width:36ch;margin-bottom:28px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px}.hero-stats{display:flex;gap:32px;flex-wrap:wrap}.hero-stat strong{display:block;font-size:1.5rem;font-weight:800;color:var(--ink);letter-spacing:-.03em}.hero-stat span{font-size:.86rem;color:var(--muted);max-width:22ch;display:block;margin-top:2px}.demo-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow-lg);overflow:hidden}.demo-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line);background:var(--bg-soft)}.demo-head .avatar{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:.85rem}.demo-head .who{font-weight:600;color:var(--ink);font-size:.92rem;line-height:1.2}.demo-head .who span{display:block;font-weight:500;font-size:.78rem;color:var(--muted)}.demo-body{padding:18px;display:grid;gap:12px}.bubble{max-width:82%;padding:11px 14px;border-radius:var(--r-lg);font-size:.92rem;line-height:1.5}.bubble.visitor{justify-self:end;background:var(--solid);color:var(--on-solid);border-bottom-right-radius:5px}.bubble.agent{justify-self:start;background:var(--bg-soft);color:var(--ink-2);border-bottom-left-radius:5px}.bubble-meta{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:.74rem;color:var(--faint);font-weight:500}.section{margin-top:96px}.section-head{max-width:56ch;margin-bottom:36px}.section-title{font-size:clamp(1.7rem,3vw,2.2rem);font-weight:800;letter-spacing:-.03em}.section-copy{margin-top:14px;color:var(--muted);font-size:1.05rem}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.feature{padding:24px}.feature-icon{width:40px;height:40px;border-radius:var(--r-md);background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:16px}.feature h3{font-size:1.05rem;margin-bottom:8px}.feature p{color:var(--muted);font-size:.95rem}.flow{counter-reset:step;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.flow-step{position:relative;padding:24px}.flow-step .num{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--solid);color:var(--on-solid);font-size:.85rem;font-weight:700;margin-bottom:16px}.flow-step h3{font-size:1.02rem;margin-bottom:8px}.flow-step p{color:var(--muted);font-size:.94rem}.cta{margin-top:96px;text-align:center;background:var(--ink);border-radius:var(--r-xl);padding:56px 32px;color:#fff}.cta h2{color:#fff;font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;letter-spacing:-.03em}.cta p{color:#ffffffb3;margin:14px auto 28px;max-width:48ch}.cta 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span{display:block;font-weight:500;font-size:.82rem;color:var(--muted)}.chat-scroll{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.msg{max-width:78%;display:flex;flex-direction:column}.msg-bubble{padding:11px 15px;border-radius:var(--r-lg);font-size:.95rem;line-height:1.55}.msg.visitor{align-self:flex-end;align-items:flex-end}.msg.visitor .msg-bubble{background:var(--solid);color:var(--on-solid);border-bottom-right-radius:5px}.msg.agent{align-self:flex-start;align-items:flex-start}.msg.agent .msg-bubble{background:var(--bg-soft);color:var(--ink-2);border-bottom-left-radius:5px}.msg-meta{display:flex;align-items:center;gap:6px;margin-top:6px;padding:0 4px}.chat-empty{margin:auto;text-align:center;color:var(--muted);max-width:30ch}.chat-empty .avatar{width:52px;height:52px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin:0 auto 14px;font-weight:700;font-size:1.2rem}.chat-compose{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);background:var(--surface)}.chat-compose .input{border-radius:var(--r-pill)}.typing{display:inline-flex;gap:4px;align-items:center}.typing span{width:6px;height:6px;border-radius:50%;background:var(--faint);animation:blink 1.2s infinite ease-in-out}.typing span:nth-child(2){animation-delay:.2s}.typing span:nth-child(3){animation-delay:.4s}@keyframes blink{0%,80%,to{opacity:.25}40%{opacity:1}}.side-card h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:14px}.side-chips{display:flex;flex-direction:column;gap:8px;align-items:stretch}.side-chips .chip{text-align:left;justify-content:flex-start}.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}.stat{padding:20px}.stat .label{font-size:.82rem;color:var(--muted);font-weight:500;display:flex;align-items:center;gap:7px}.stat .value{margin-top:10px;font-size:2rem;font-weight:800;color:var(--ink);letter-spacing:-.03em}.stat .trend{font-size:.82rem;color:var(--muted);margin-top:4px}.dash-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}.panel-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}.panel-head h3{font-size:1.05rem}.panel-body{padding:8px}.list-item{padding:14px 16px;border-radius:var(--r-md);transition:background .15s ease}.list-item:hover{background:var(--bg-soft)}.list-item+.list-item{border-top:1px solid var(--line);border-radius:0}.gap{padding:16px}.gap-q{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.gap-q h4{font-size:.98rem;font-weight:600;color:var(--ink)}.gap-variants{margin-top:8px;font-size:.84rem;color:var(--muted)}.gap-resolve{margin-top:14px;display:grid;gap:10px}.gap-resolve 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var(--line)}.freq-q{font-size:.92rem;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.freq-bar{display:flex;align-items:center;gap:10px}.freq-bar .bar{width:90px}.freq-count{font-variant-numeric:tabular-nums;font-weight:600;color:var(--ink);font-size:.88rem;min-width:26px;text-align:right}.empty{text-align:center;padding:36px 20px;color:var(--muted)}.add-kb{padding:20px;margin-bottom:24px}.add-kb-row{display:flex;gap:10px;align-items:flex-end}.toolbar{display:flex;align-items:center;gap:10px}.footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.88rem}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.muted{color:var(--muted)}.stack-sm{display:grid;gap:8px}.flex{display:flex;align-items:center;gap:10px}.spread{justify-content:space-between}.grow{flex:1}:root{--live: #0891b2;--live-soft: #ecfeff}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;pointer-events:none;background:radial-gradient(720px 520px at 8% -10%,rgba(79,70,229,.1),transparent 60%),radial-gradient(680px 520px at 100% -4%,rgba(8,145,178,.07),transparent 55%)}.brand-mark{background:linear-gradient(135deg,var(--accent),#6366f1);box-shadow:0 2px 10px #4f46e559}.btn-accent{background:linear-gradient(135deg,var(--accent),#6366f1)}.btn-accent:hover:not(:disabled){background:linear-gradient(135deg,var(--accent-strong),var(--accent))}.hero-title .accent{background:linear-gradient(120deg,var(--accent) 15%,#06b6d4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.demo-card{box-shadow:var(--shadow-lg),0 36px 70px -30px #4f46e56b}.feature,.flow-step{transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.feature:hover,.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}.stat{position:relative;overflow:hidden}.stat:after{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent);opacity:0;transition:opacity .2s ease}.stat:hover:after{opacity:1}.stat .value{font-variant-numeric:tabular-nums}.graph-card{margin-bottom:32px;overflow:hidden;box-shadow:var(--shadow-md)}.graph-head{align-items:flex-start}.panel-sub{margin-top:4px;font-size:.85rem;font-weight:400;color:var(--muted)}.graph-legend{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.lg{display:inline-flex;align-items:center;gap:7px;font-size:.8rem;font-weight:500;color:var(--muted)}.lg i{width:10px;height:10px;border-radius:50%}.lg.state-stable i{background:#2563eb}.lg.state-volatile i{background:#f59e0b}.lg.state-missing i{background:#e23b3b}.graph-body{display:grid;grid-template-columns:1.6fr 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var(--line)}.nav-avatar-fallback{display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:700;font-size:.85rem}.nav-user-name{font-size:.9rem;font-weight:600;color:var(--ink-2)}.purpose-bar{display:flex;align-items:center;gap:16px;padding:14px 18px;margin-bottom:24px}.purpose-text{flex:1;min-width:0}.purpose-label{display:inline-block;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700;color:var(--accent);margin-bottom:3px}.purpose-text p{color:var(--ink-2);font-size:.92rem;line-height:1.5}.graph-node.state-blocked{color:#9ca3af}.graph-node.state-blocked .graph-node-dot{stroke:#a6a6b2;stroke-width:2;stroke-dasharray:3 3;filter:none}.graph-node.state-blocked .graph-node-label{fill:#9ca3af}.lg.state-blocked i{background:#e6e6ec;box-shadow:inset 0 0 0 1.5px #b4b4c0}.node-pop-note{color:var(--ink-2);font-size:.92rem;line-height:1.6;background:var(--bg-soft);padding:12px 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.eyebrow{margin-bottom:10px}.onboarding-title{font-size:1.6rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}.onboarding-sub{color:var(--muted);margin-bottom:28px;max-width:56ch}.onboarding-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.onboarding-step{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;display:flex;flex-direction:column;align-items:flex-start;gap:8px}.onboarding-step .num{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--solid);color:var(--on-solid);font-weight:700;font-size:.85rem;margin-bottom:4px}.onboarding-step h4{font-size:1rem}.onboarding-step p{color:var(--muted);font-size:.9rem;flex:1}.onboarding-step .btn{margin-top:8px}.onboarding-foot{display:flex;align-items:center;gap:14px;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);flex-wrap:wrap}@media (max-width: 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ease}.notif-btn:hover{color:var(--ink);background:var(--bg-soft)}.notif-badge{position:absolute;top:-4px;right:-4px;min-width:18px;height:18px;padding:0 5px;border-radius:var(--r-pill);background:#e23b3b;color:#fff;font-size:.68rem;font-weight:700;display:grid;place-items:center;box-shadow:0 0 0 2px var(--surface)}.notif-scrim{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40}.notif-panel{position:absolute;top:calc(100% + 10px);right:0;z-index:50;width:min(320px,90vw);padding:8px;box-shadow:var(--shadow-lg)}.notif-head{display:flex;align-items:center;justify-content:space-between;padding:10px 12px 12px;border-bottom:1px solid var(--line)}.notif-head 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var(--line-strong);background:var(--surface);color:var(--muted);font-size:.82rem;font-weight:600;cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}.kb-filter:hover{color:var(--ink)}.kb-filter.is-active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-ink)}.modal-wide{width:min(640px,94vw)}.char-count{text-align:right;font-size:.76rem;color:var(--faint);margin-top:4px}.char-count.is-max{color:var(--warn)}.access-option{display:flex;align-items:flex-start;gap:12px;width:100%;text-align:left;padding:16px;margin-bottom:12px;border:1px solid var(--line-strong);border-radius:var(--r-md);background:var(--surface);cursor:pointer;transition:border-color .15s ease,background .15s ease}.access-option:hover{border-color:var(--faint)}.access-option.is-selected{border-color:var(--accent);background:var(--accent-soft)}.access-radio{flex-shrink:0;width:18px;height:18px;margin-top:1px;border-radius:50%;border:2px solid var(--line-strong);transition:border-color .15s ease,border-width .15s ease}.access-option.is-selected .access-radio{border-color:var(--accent);border-width:5px}.access-text{display:flex;flex-direction:column;gap:3px}.access-text strong{color:var(--ink);font-size:.96rem}.access-text span{color:var(--muted);font-size:.87rem}.legal{max-width:720px;margin:0 auto;color:var(--ink-2);line-height:1.7}.legal-updated{color:var(--muted);font-size:.88rem;margin:6px 0 28px}.legal h2{font-size:1.15rem;margin:30px 0 10px}.legal p{margin-bottom:14px}.legal ul{margin:0 0 14px;padding-left:20px}.legal li{margin-bottom:8px}.legal a{color:var(--accent)}.legal a:hover{text-decoration:underline}.legal-foot{display:flex;gap:10px;align-items:center;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:.9rem}.legal-foot a{color:var(--muted)}.legal-foot a:hover{color:var(--accent)}.footer-links{display:inline-flex;gap:18px}.attach-row{display:flex;align-items:center;gap:10px;margin-top:8px}.attach-err{color:var(--warn);font-size:.82rem}.plans-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}.plan-card{display:flex;flex-direction:column;gap:10px;padding:16px;border:1px solid var(--line-strong);border-radius:var(--r-md);background:var(--surface)}.plan-card.is-current{border-color:var(--accent);background:var(--accent-soft)}.plan-name{font-weight:700;color:var(--ink)}.plan-price{font-size:1.5rem;font-weight:700;color:var(--ink)}.plan-price span{font-size:.85rem;font-weight:500;color:var(--muted)}.plan-features{list-style:none;padding:0;margin:0;flex:1;display:flex;flex-direction:column;gap:6px}.plan-features li{display:flex;align-items:center;gap:6px;font-size:.82rem;color:var(--ink-2)}.plan-features svg{color:var(--ok);flex-shrink:0}.plan-foot{font-size:.8rem;padding:7px 0}.plans-note{margin-top:14px;font-size:.78rem}@media (max-width: 560px){.plans-grid{grid-template-columns:1fr}}.inapp-notice{text-align:left;padding:14px 16px;margin-bottom:16px;border:1px solid var(--accent);border-radius:var(--r-md);background:var(--accent-soft);font-size:.84rem;line-height:1.55;color:var(--ink-2)}.inapp-notice p{margin:0}.inapp-notice strong{color:var(--ink)}.inapp-copy{width:100%;margin-top:12px;justify-content:center;background:var(--solid);color:var(--on-solid);border:none}.chat-code{position:relative;margin:8px 0;padding:12px 14px;background:#1e1e24;color:#e6e6e9;border-radius:var(--r-md);font-size:.82rem;line-height:1.5;overflow-x:auto;white-space:pre}.chat-code code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.chat-code-lang{position:absolute;top:6px;right:10px;font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;color:#8a8a94}.chat-inline-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85em;background:var(--bg-soft);border:1px solid var(--line);border-radius:4px;padding:1px 5px}.msg.visitor .chat-inline-code{background:#ffffff26;border-color:#fff3}.footer-links a:hover{color:var(--ink)}.import-results{margin-top:14px;max-height:46vh;overflow-y:auto}.import-pair{display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}.import-pair.is-added{opacity:.55}.import-pair-text{flex:1;min-width:0}.import-pair-text h4{font-size:.95rem;margin-bottom:4px}.import-pair-text p{font-size:.88rem;color:var(--ink-2);margin-bottom:8px;line-height:1.45}.side-chips .chip{border-radius:var(--r-md);text-align:left;white-space:normal;line-height:1.4;width:100%;justify-content:flex-start}.dash-hello{margin-bottom:18px}.agent-bar{margin-bottom:12px}.dash-actions{margin:0 0 20px}.purpose-bar{margin-bottom:4px}.update-banner{display:flex;align-items:center;justify-content:center;gap:14px;padding:9px 16px;background:var(--accent-soft);color:var(--accent-ink);border-bottom:1px solid var(--line);font-size:.86rem;font-weight:500}.update-text{letter-spacing:-.01em}.update-refresh{background:var(--accent);color:#fff;font-weight:600;border:none;padding:5px 14px}.update-refresh:hover{background:var(--accent-strong)}.update-dismiss{background:transparent;border:none;color:var(--accent-ink);font-size:1.15rem;line-height:1;cursor:pointer;opacity:.6;padding:0 2px}.update-dismiss:hover{opacity:1}.chat-input{resize:none;min-height:44px;max-height:140px;line-height:1.5;overflow-y:auto}