:root{--ink:#13231f;--paper:#f2f0e9;--card:#fbfaf6;--line:#d8d6cd;--sage:#6f8777;--green:#1f6b4f;--amber:#cf7b35;--red:#a94b3b;--muted:#6e7974;--side:#14231f}*{box-sizing:border-box}html,body{height:100%;margin:0}body{color:var(--ink);background:var(--paper);font-family:"Segoe UI Variable","Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}button,input,textarea{font:inherit}.login-layer{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 75% 10%,rgba(207,123,53,.17),transparent 32%),linear-gradient(rgba(19,35,31,.045) 1px,transparent 1px) 0 0/100% 30px,var(--paper)}.login-layer[hidden]{display:none}.login-card{width:min(520px,100%);padding:42px;background:var(--card);border:1px solid var(--line);box-shadow:0 30px 80px rgba(19,35,31,.13)}.login-brand,.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.login-brand span,.brand-mark{display:grid;place-items:center;width:42px;height:42px;color:var(--paper);background:var(--ink);font:24px Georgia,serif}.login-brand strong,.brand strong{font-size:13px;letter-spacing:.14em}.kicker{margin:30px 0 13px;color:var(--amber);font-size:10px;font-weight:800;letter-spacing:.17em;text-transform:uppercase}.login-card h1{margin:0;font:400 48px/1.02 Georgia,serif;letter-spacing:-.04em}.login-copy{margin:18px 0 28px;color:var(--muted);font-size:14px;line-height:1.6}.login-card label{display:block;margin:15px 0 0;color:#53615b;font-size:11px;font-weight:750;letter-spacing:.04em}.login-card input{display:block;width:100%;margin-top:7px;padding:13px 14px;color:var(--ink);background:#fff;border:1px solid var(--line);outline:none}.login-card input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(31,107,79,.1)}.login-card button{display:flex;justify-content:space-between;width:100%;margin-top:22px;padding:14px 16px;color:#fff;background:var(--ink);border:0;cursor:pointer;font-weight:700}.login-card button:hover{background:var(--green)}.form-note{margin:13px 0 0;color:#8a928e;font-size:10px;line-height:1.5}.form-error{min-height:18px;margin:9px 0 0;color:var(--red);font-size:11px}.app-shell{height:100%;display:grid;grid-template-columns:286px 1fr}.sidebar{position:relative;z-index:20;display:flex;min-height:0;flex-direction:column;color:#e8ece9;background:var(--side);border-right:1px solid rgba(255,255,255,.08)}.side-head{display:flex;justify-content:space-between;align-items:center;min-height:82px;padding:18px 20px;border-bottom:1px solid rgba(255,255,255,.1)}.brand strong,.brand small{display:block}.brand small{margin-top:3px;color:#87958e;font:9px ui-monospace,monospace;letter-spacing:.16em}.sidebar .brand-mark{color:var(--ink);background:#e8e3d6}.close-side{display:none;color:#fff;background:none;border:0;font-size:25px}.new-chat{display:flex;gap:10px;align-items:center;margin:20px;padding:12px 14px;color:#fff;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.15);cursor:pointer;text-align:left;font-size:12px;font-weight:700}.new-chat:hover{background:rgba(255,255,255,.12)}.new-chat span{color:#e0a66e;font-size:17px}.side-label{padding:4px 22px 9px;color:#74837c;font:9px ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase}.conversation-list{min-height:0;overflow-y:auto;padding:0 10px}.conversation-item{display:block;width:100%;margin:2px 0;padding:11px 12px;color:#9faaa5;background:transparent;border:0;border-left:2px solid transparent;cursor:pointer;text-align:left}.conversation-item:hover{color:#fff;background:rgba(255,255,255,.05)}.conversation-item.active{color:#fff;background:rgba(255,255,255,.08);border-left-color:var(--amber)}.conversation-item strong{display:block;overflow:hidden;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.conversation-item small{display:block;margin-top:4px;color:#718078;font-size:9px}.side-bottom{margin-top:auto;padding:15px;border-top:1px solid rgba(255,255,255,.1)}.route-status{display:flex;gap:10px;align-items:center;padding:8px}.route-status>i{width:8px;height:8px;background:#60b482;border-radius:50%;box-shadow:0 0 0 4px rgba(96,180,130,.1)}.route-status span,.profile span{min-width:0;flex:1}.route-status strong,.route-status small,.profile strong,.profile small{display:block}.route-status strong{font-size:10px}.route-status small{margin-top:2px;color:#718078;font-size:9px}.profile{display:flex;align-items:center;gap:10px;width:100%;margin-top:8px;padding:10px;color:#dfe5e1;background:rgba(255,255,255,.04);border:0;cursor:pointer;text-align:left}.avatar{display:grid;place-items:center;width:31px;height:31px;color:var(--ink);background:#e8e3d6;border-radius:50%;font:16px Georgia,serif}.profile strong{font-size:10px}.profile small{color:#74837c;font-size:9px}.profile b{color:#738078}.chat-main{display:grid;min-width:0;min-height:0;grid-template-rows:78px 1fr auto;background:linear-gradient(rgba(19,35,31,.035) 1px,transparent 1px) 0 0/100% 32px,var(--paper)}.chat-header{display:flex;align-items:center;gap:15px;padding:0 28px;background:rgba(242,240,233,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.chat-header>div{min-width:0;flex:1}.chat-header p{margin:0;color:var(--amber);font:800 8px ui-monospace,monospace;letter-spacing:.15em}.chat-header h2{overflow:hidden;margin:4px 0 0;font:400 20px Georgia,serif;text-overflow:ellipsis;white-space:nowrap}.menu-button{display:none;padding:8px;color:var(--ink);background:none;border:0;font-size:19px}.dashboard-link{padding:8px 12px;color:#5f6b66;border:1px solid var(--line);text-decoration:none;font-size:10px;font-weight:750}.dashboard-link:hover{color:var(--ink);background:var(--card)}.messages{min-height:0;overflow-y:auto;padding:48px max(24px,calc((100% - 860px)/2)) 42px}.welcome{max-width:850px;margin:3vh auto 0}.welcome-mark{display:grid;place-items:center;width:48px;height:48px;color:var(--paper);background:var(--ink);font:28px Georgia,serif}.welcome .kicker{margin-top:24px}.welcome h1{margin:0;font:400 clamp(48px,6vw,76px)/.98 Georgia,serif;letter-spacing:-.05em}.welcome h1 em{color:var(--sage);font-weight:400}.welcome-copy{max-width:650px;margin:24px 0 0;color:#61706a;font-size:14px;line-height:1.65}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:38px}.suggestions button{min-height:92px;padding:15px;color:var(--ink);background:rgba(251,250,246,.72);border:1px solid var(--line);cursor:pointer;text-align:left;font-size:11px;font-weight:700}.suggestions button:hover{border-color:var(--sage);transform:translateY(-1px)}.suggestions span{display:block;margin-bottom:17px;color:var(--amber);font:9px ui-monospace,monospace}.message{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;max-width:850px;margin:0 auto 28px}.message-avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;color:#fff;background:var(--sage);font:14px Georgia,serif}.message.assistant .message-avatar{border-radius:0;background:var(--ink)}.message-head{display:flex;align-items:center;gap:10px;margin:2px 0 7px}.message-head strong{font-size:11px}.message-head span{color:#8a928e;font-size:9px}.message-content{color:#273a33;font-size:14px;line-height:1.72;white-space:pre-wrap;overflow-wrap:anywhere}.message.user .message-content{padding:13px 15px;background:rgba(251,250,246,.75);border-left:2px solid var(--sage)}.thinking{opacity:.72}.thinking .message-content{display:flex;gap:5px;align-items:center}.thinking i{width:6px;height:6px;background:var(--sage);border-radius:50%;animation:pulse 1.1s infinite}.thinking i:nth-child(2){animation-delay:.16s}.thinking i:nth-child(3){animation-delay:.32s}@keyframes pulse{0%,70%,100%{opacity:.28;transform:translateY(0)}35%{opacity:1;transform:translateY(-3px)}}.composer-wrap{padding:0 max(24px,calc((100% - 860px)/2)) 20px;background:linear-gradient(transparent,var(--paper) 28%)}.composer{display:grid;grid-template-columns:1fr 46px;gap:10px;align-items:end;padding:10px;background:var(--card);border:1px solid #c9c8bf;box-shadow:0 16px 50px rgba(19,35,31,.09)}.composer:focus-within{border-color:var(--sage)}.composer textarea{width:100%;max-height:170px;resize:none;padding:9px 10px;color:var(--ink);background:transparent;border:0;outline:none;font-size:13px;line-height:1.5}.composer button{display:grid;place-items:center;width:42px;height:42px;color:#fff;background:var(--ink);border:0;cursor:pointer;font-size:21px}.composer button:hover{background:var(--green)}.composer button:disabled{opacity:.38;cursor:wait}.composer-note{display:flex;justify-content:space-between;gap:20px;margin:8px 2px 0;color:#858e89;font-size:9px}.composer-note span:first-child{color:#65736d}.composer-note i{display:inline-block;width:6px;height:6px;margin-right:5px;background:#4aa06d;border-radius:50%}.drawer-backdrop{display:none}.empty-list{padding:14px 12px;color:#718078;font-size:10px;line-height:1.5}@media(max-width:820px){.app-shell{grid-template-columns:1fr}.sidebar{position:fixed;inset:0 auto 0 0;width:min(310px,86vw);transform:translateX(-105%);transition:transform .2s ease}.sidebar.open{transform:translateX(0)}.close-side,.menu-button{display:block}.drawer-backdrop{position:fixed;inset:0;z-index:10;background:rgba(10,20,17,.45)}.drawer-backdrop.open{display:block}.chat-header{padding:0 16px}.messages{padding:32px 18px}.composer-wrap{padding:0 14px 13px}.suggestions{grid-template-columns:1fr}.welcome{margin-top:0}.welcome h1{font-size:52px}.composer-note span:last-child{display:none}}@media(max-width:520px){.login-card{padding:30px 24px}.login-card h1{font-size:39px}.chat-main{grid-template-rows:68px 1fr auto}.dashboard-link{padding:7px;font-size:0}.dashboard-link span{font-size:13px}.messages{padding-top:25px}.welcome h1{font-size:45px}.welcome-copy{font-size:13px}.message{grid-template-columns:29px 1fr;gap:10px}.message-avatar{width:28px;height:28px}.message-content{font-size:13px}.composer{grid-template-columns:1fr 42px}.composer-note{display:block}.suggestions{margin-top:27px}}