:root{color-scheme:light;--bg:#f7f7f4;--panel:#ffffff;--panel-soft:#f0f2ef;--ink:#1d2521;--muted:#69736d;--line:#d8ded8;--green:#1e7d53;--blue:#2f68b8;--amber:#b3771f;--shadow:0 18px 48px rgba(29,37,33,0.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;min-height:100vh;background:var(--bg);color:var(--ink)}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}a{color:inherit;text-decoration:none}.chat-app-shell{display:grid;grid-template-columns:264px minmax(0,1fr);min-height:100vh}.sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:24px;padding:24px 18px;background:#17211d;color:#eef7f0}.account-pill,.brand,.sidebar-status{display:flex;align-items:center}.brand{gap:12px;min-height:42px}.brand-mark{display:grid;place-items:center;width:42px;height:42px;border-radius:8px;background:#e9f2ec;color:#17211d;font-weight:800}.brand span,.brand strong,.sidebar-status span,.sidebar-status strong{display:block}.brand span,.sidebar-status span{color:#aab8ae;font-size:13px}.nav-list{display:grid;grid-gap:6px;gap:6px}.nav-item{display:grid;grid-template-columns:30px 1fr;align-items:center;min-height:42px;border:0;border-radius:8px;padding:0 12px;color:#dce8df;background:transparent;text-align:left}.nav-item.active,.nav-item:hover{background:rgba(255,255,255,.1);color:#ffffff}.sidebar-status{gap:10px;margin-top:auto;padding:12px;border:1px solid rgba(255,255,255,.12);border-radius:8px}.status-dot{width:10px;height:10px;border-radius:50%;background:#60d28c;box-shadow:0 0 0 5px rgba(96,210,140,.14)}.chat-main{min-height:100vh;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;width:min(1040px,100%);margin:0 auto;padding:20px 18px 16px}.chat-topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:58px;padding-bottom:12px}.eyebrow{margin:0 0 4px;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2{margin:0;line-height:1.12}h1{font-size:clamp(22px,3vw,32px)}.topbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.account-pill{gap:7px;min-height:42px;max-width:360px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);white-space:nowrap}.account-pill span{color:var(--muted);font-size:13px;overflow:hidden;text-overflow:ellipsis}.secondary-button{min-height:42px;border:1px solid var(--line);border-radius:8px;padding:0 16px;background:var(--panel);color:var(--ink);font-weight:800}.notice-bar{margin:0 0 10px;border:1px solid #cfe2d5;border-radius:8px;padding:10px 12px;background:#f2f8f4;color:#205d3f;font-size:14px;font-weight:700}.loading-screen{min-height:100vh;display:grid;place-items:center;background:var(--bg)}.chat-surface{min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:18px;padding:14px 4px 18px}.system-message{display:grid;grid-template-columns:38px 1fr;grid-gap:12px;gap:12px;align-items:start;padding:14px 2px;color:#26312b}.system-avatar{display:grid;place-items:center;width:38px;height:38px;border-radius:8px;background:#17211d;color:#ffffff;font-weight:900}.system-message strong{display:block;margin-bottom:5px}.empty-chat p,.system-message p{margin:0;color:var(--muted);line-height:1.5}.empty-chat{display:grid;grid-gap:6px;gap:6px;max-width:560px;margin:12vh auto 0;text-align:center;color:var(--ink)}.empty-chat strong{font-size:clamp(24px,5vw,38px)}.conversation-turn{display:grid;grid-gap:10px;gap:10px}.chat-bubble{width:-moz-fit-content;width:fit-content;max-width:min(760px,88%);border:1px solid var(--line);border-radius:18px;padding:13px 15px;background:var(--panel);box-shadow:0 8px 26px rgba(29,37,33,.05)}.chat-bubble p{margin:0;line-height:1.55;white-space:pre-wrap}.user-bubble{justify-self:end;border-bottom-right-radius:6px;background:#e9f2ec}.assistant-bubble{justify-self:start;border-bottom-left-radius:6px;background:#ffffff}.agent-route,.assistant-bubble.typing p{color:var(--muted);font-weight:700}.agent-route{font-size:12px;margin-bottom:8px!important}.bubble-head{display:flex;align-items:center;gap:8px;margin-bottom:8px}.bubble-head strong{font-size:13px}.bubble-head span{border:1px solid #dbe7df;border-radius:999px;padding:2px 7px;color:var(--muted);font-size:12px;font-weight:800}.typing-dots{display:inline-flex;gap:3px;margin-left:5px;vertical-align:middle}.typing-dots i{width:5px;height:5px;border-radius:50%;background:var(--green);animation:typingPulse 1.1s ease-in-out infinite}.typing-dots i:nth-child(2){animation-delay:.15s}.typing-dots i:nth-child(3){animation-delay:.3s}@keyframes typingPulse{0%,80%,to{opacity:.35;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.result-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;color:var(--muted);font-size:12px}.result-meta span{border:1px solid #dbe7df;border-radius:999px;padding:5px 8px;background:#fbfcfb}.composer-panel{position:-webkit-sticky;position:sticky;bottom:0;display:grid;grid-gap:10px;gap:10px;padding:12px 0 0;background:linear-gradient(180deg,rgba(247,247,244,0),var(--bg) 16px)}.mode-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:6px;gap:6px;width:min(560px,100%);margin:0 auto;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--panel-soft)}.mode-tab{min-height:34px;border:0;border-radius:999px;background:transparent;color:var(--muted);font-weight:800}.mode-tab.active{background:var(--panel);color:var(--ink);box-shadow:0 4px 14px rgba(29,37,33,.08)}.composer-box{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 44px;grid-gap:8px;gap:8px;align-items:end;width:min(760px,100%);margin:0 auto;border:1px solid var(--line);border-radius:28px;padding:10px 10px 10px 18px;background:var(--panel);box-shadow:var(--shadow)}.composer-box textarea{width:100%;min-height:54px;max-height:180px;resize:vertical;border:0;outline:0;padding:7px 0;background:transparent;color:var(--ink);line-height:1.45}.send-button{display:grid;place-items:center;width:44px;height:44px;border:0;border-radius:50%;background:#111713;color:#ffffff;font-size:24px;font-weight:900}.composer-meta{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:12px}@media (max-width:1080px){.chat-app-shell{grid-template-columns:82px minmax(0,1fr)}.sidebar{padding:18px 12px}.brand div:not(.brand-mark),.nav-item span,.sidebar-status div{display:none}.nav-item{grid-template-columns:1fr;justify-items:center}}@media (max-width:760px){.chat-app-shell{display:block}.sidebar{position:static;height:auto;flex-direction:row;align-items:center;overflow-x:auto;padding:10px 12px}.nav-list{display:flex}.sidebar-status{display:none}.chat-main{min-height:calc(100vh - 62px);padding:12px 12px 14px}.chat-topbar{align-items:flex-start;flex-direction:column;gap:10px}.topbar-actions{width:100%;justify-content:space-between}.account-pill{max-width:min(100%,280px)}.chat-bubble{max-width:94%;border-radius:16px}.system-message{grid-template-columns:34px 1fr}.system-avatar{width:34px;height:34px}.mode-tabs{gap:4px}.mode-tab{min-height:32px;font-size:13px}.composer-box{border-radius:24px;padding-left:15px}.composer-meta{justify-content:space-between}}