:root{--font-display: "EB Garamond", Georgia, serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;--bg: #0d0b0a;--bg-elev: #161311;--bg-elev-2: #1c1815;--bg-soft: #1f1a16;--line: #2e2620;--line-soft: rgba(255, 248, 236, .06);--ink: #f0e8dc;--ink-soft: #c9bca8;--ink-mute: #8a7e6c;--accent: #d96a45;--accent-soft: #e8845f;--accent-glow: rgba(217, 106, 69, .22);--good: #7fb05f;--bad: #e0796a;--warn: #d9a85a;--code-bg: #100c0a;--user-bubble: linear-gradient(135deg, rgba(217, 106, 69, .16), rgba(217, 106, 69, .08));--user-bubble-border: rgba(217, 106, 69, .32);--shadow-lg: 0 24px 60px -28px rgba(0, 0, 0, .65)}:root[data-theme=paper]{--bg: #fbf6e9;--bg-elev: #f7f3e8;--bg-elev-2: #fbf8ee;--bg-soft: #efe9d8;--line: #e2d8be;--line-soft: rgba(42, 37, 33, .08);--ink: #2a2521;--ink-soft: #4f463c;--ink-mute: #8a7e6c;--accent: #b9532f;--accent-soft: #d9784f;--accent-glow: rgba(185, 83, 47, .18);--good: #4a7c3a;--bad: #c14a3a;--warn: #a87b1c;--code-bg: #f2ecd8;--user-bubble: linear-gradient(135deg, rgba(185, 83, 47, .1), rgba(185, 83, 47, .04));--user-bubble-border: rgba(185, 83, 47, .28);--shadow-lg: 0 24px 60px -28px rgba(122, 94, 52, .18)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}html{font-size:15px}body{font-family:var(--font-sans);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow:hidden}body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;background:radial-gradient(60% 50% at 10% 0%,var(--accent-glow),transparent 60%),radial-gradient(50% 50% at 90% 100%,rgba(168,123,28,.1),transparent 65%),radial-gradient(40% 40% at 50% 50%,rgba(217,106,69,.04),transparent 70%);opacity:.9;animation:meshShift 26s ease-in-out infinite alternate}@keyframes meshShift{0%{transform:translateZ(0) scale(1)}50%{transform:translate3d(-2%,1%,0) scale(1.02)}to{transform:translate3d(2%,-1%,0) scale(1.04)}}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;color:inherit;cursor:pointer}::selection{background:var(--accent);color:var(--bg)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--line);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--ink-mute)}.app{height:100%;display:grid;grid-template-columns:280px 1fr;transition:grid-template-columns .22s cubic-bezier(.4,0,.2,1)}.app[data-sidebar=closed]{grid-template-columns:0 1fr}@media (max-width: 760px){.app{grid-template-columns:1fr}}.sidebar{background:var(--bg-elev);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden;position:relative}.sidebar-head{padding:18px 16px 14px;display:flex;align-items:center;justify-content:space-between;gap:8px}.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:20px;font-weight:500;color:var(--ink)}.icon-btn{width:32px;height:32px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--ink-soft);display:grid;place-items:center;transition:background .14s,color .14s,border-color .14s}.icon-btn:hover{background:var(--line-soft);color:var(--ink)}.icon-btn[data-pressed=true]{background:var(--accent-glow);color:var(--accent)}.new-chat-btn{margin:0 12px 12px;padding:12px 14px;border-radius:10px;border:1px dashed var(--line);background:transparent;color:var(--ink-soft);display:flex;align-items:center;gap:10px;font-size:13.5px;font-weight:500;transition:all .18s ease}.new-chat-btn:hover{border-color:var(--accent);color:var(--ink);background:var(--accent-glow)}.new-chat-btn svg{color:var(--accent)}.convo-list{flex:1;overflow-y:auto;padding:4px 8px 12px;display:flex;flex-direction:column;gap:2px}.convo-empty{padding:24px 16px;color:var(--ink-mute);font-size:12.5px;text-align:center;line-height:1.5}.convo-item{position:relative;padding:9px 12px;border-radius:8px;display:flex;align-items:center;gap:10px;cursor:pointer;transition:background .12s ease;color:var(--ink-soft);font-size:13.5px;user-select:none}.convo-item:hover{background:var(--line-soft);color:var(--ink)}.convo-item[data-active=true]{background:var(--accent-glow);color:var(--ink)}.convo-item-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.convo-del{width:22px;height:22px;border-radius:5px;border:none;background:transparent;color:var(--ink-mute);display:grid;place-items:center;opacity:0;transition:opacity .12s,background .12s}.convo-item:hover .convo-del{opacity:1}.convo-del:hover{color:var(--bad);background:var(--line-soft)}.convo-meta{font-size:11px;color:var(--ink-mute);flex-shrink:0}.sidebar-foot{border-top:1px solid var(--line);padding:10px 12px;display:flex;align-items:center;justify-content:space-between;gap:8px}.sidebar-foot-info{font-size:11.5px;color:var(--ink-mute);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.main{display:flex;flex-direction:column;min-width:0;position:relative}.topbar{height:52px;padding:0 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px;flex-shrink:0;backdrop-filter:blur(8px);background:color-mix(in srgb,var(--bg) 70%,transparent)}.topbar-title{flex:1;font-family:var(--font-display);font-size:18px;font-weight:500;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-meta{font-size:12px;color:var(--ink-mute);display:flex;gap:12px}.stream{flex:1;overflow-y:auto;scroll-behavior:smooth;padding:24px 24px 12px}.stream-inner{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:24px}.msg{display:flex;flex-direction:column;gap:6px;animation:msgIn .36s cubic-bezier(.16,1,.3,1)}@keyframes msgIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.msg-head{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--ink-mute);letter-spacing:.04em;text-transform:uppercase}.msg-head-name{font-family:var(--font-sans);font-weight:600;color:var(--ink-soft)}.msg-actions{margin-left:auto;opacity:0;transition:opacity .12s;display:flex;gap:4px}.msg:hover .msg-actions{opacity:1}.msg-action{background:transparent;border:1px solid transparent;border-radius:6px;padding:3px 7px;font-size:11px;color:var(--ink-mute);text-transform:none;letter-spacing:0}.msg-action:hover{color:var(--ink);background:var(--line-soft);border-color:var(--line)}.msg-body{font-family:var(--font-display);font-size:17.5px;line-height:1.65;color:var(--ink);letter-spacing:-.005em}.msg[data-role=user] .msg-body{background:var(--user-bubble);border:1px solid var(--user-bubble-border);padding:14px 18px;border-radius:14px;font-family:var(--font-sans);font-size:15px;line-height:1.6;letter-spacing:0;align-self:flex-end;max-width:80%;white-space:pre-wrap;word-wrap:break-word}.msg[data-role=user]{align-items:flex-end}.msg[data-role=user] .msg-head{align-self:flex-end}.msg-body p{margin:0 0 .85em}.msg-body p:last-child{margin-bottom:0}.msg-body h1,.msg-body h2,.msg-body h3{font-family:var(--font-display);font-weight:500;letter-spacing:-.015em;margin:1.2em 0 .5em;line-height:1.2}.msg-body h1{font-size:1.4em}.msg-body h2{font-size:1.25em}.msg-body h3{font-size:1.1em}.msg-body ul,.msg-body ol{margin:.4em 0 .85em;padding-left:1.5em}.msg-body li{margin:.15em 0}.msg-body strong{font-weight:600}.msg-body em{font-style:italic}.msg-body code:not(.code-block code){font-family:var(--font-mono);font-size:.86em;padding:1px 6px;border-radius:4px;background:var(--bg-soft);border:1px solid var(--line);color:var(--accent-soft)}.msg-body blockquote{margin:.8em 0;padding:.4em 1em;border-left:3px solid var(--accent);color:var(--ink-soft);font-style:italic}.msg-body a{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}.cursor{display:inline-block;width:8px;height:1.05em;margin-left:2px;vertical-align:text-bottom;background:var(--accent);border-radius:1px;animation:blink 1s steps(2) infinite}@keyframes blink{to{opacity:0}}.thinking{position:relative;margin-bottom:6px;background:var(--bg-elev);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s}.thinking[data-streaming=true]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent-glow),0 8px 24px -12px var(--accent-glow)}.thinking[data-streaming=true]:before{content:"";position:absolute;inset:-1px;border-radius:12px;padding:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);background-size:200% 100%;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:thinkingSweep 2s linear infinite;pointer-events:none}@keyframes thinkingSweep{0%{background-position:-100% 0}to{background-position:100% 0}}.thinking-head{padding:10px 14px;display:flex;align-items:center;gap:10px;cursor:pointer;font-size:12.5px;color:var(--ink-soft);user-select:none;transition:background .12s}.thinking-head:hover{background:var(--line-soft)}.thinking-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}.thinking[data-streaming=true] .thinking-dot{animation:pulseDot 1.4s ease-in-out infinite}@keyframes pulseDot{0%,to{opacity:.4;transform:scale(.8);box-shadow:0 0 0 0 var(--accent-glow)}50%{opacity:1;transform:scale(1.1);box-shadow:0 0 0 6px transparent}}.thinking-label{font-weight:500;letter-spacing:.02em}.thinking-chevron{margin-left:auto;color:var(--ink-mute);transition:transform .18s ease}.thinking[data-open=true] .thinking-chevron{transform:rotate(180deg)}.thinking-body{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.4,0,.2,1)}.thinking[data-open=true] .thinking-body{max-height:800px}.thinking-body-inner{padding:4px 16px 14px;font-family:var(--font-display);font-size:14px;font-style:italic;line-height:1.65;color:var(--ink-mute);border-top:1px solid var(--line);white-space:pre-wrap;word-wrap:break-word;max-height:360px;overflow-y:auto}.code-block{margin:1em 0;background:var(--code-bg);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-family:var(--font-mono)}.code-head{display:flex;align-items:center;justify-content:space-between;padding:6px 12px;font-size:11.5px;color:var(--ink-mute);letter-spacing:.04em;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 50%,transparent)}.code-copy{background:transparent;border:none;color:var(--ink-mute);font-size:11.5px;padding:2px 6px;border-radius:5px;transition:color .12s,background .12s}.code-copy:hover{color:var(--ink);background:var(--line-soft)}.code-copy[data-state=ok]{color:var(--good)}.code-block pre{margin:0;padding:14px 16px;overflow-x:auto;font-size:13px;line-height:1.55;color:var(--ink)}.composer{padding:12px 24px 22px;flex-shrink:0;background:linear-gradient(180deg,transparent,var(--bg) 30%)}.composer-inner{max-width:760px;margin:0 auto;background:var(--bg-elev);border:1px solid var(--line);border-radius:16px;padding:12px 14px 10px;transition:border-color .16s,box-shadow .16s;box-shadow:0 8px 32px -16px #0006}.composer-inner:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow),0 8px 32px -16px var(--accent-glow)}.composer textarea{width:100%;border:none;outline:none;resize:none;background:transparent;color:var(--ink);font-family:var(--font-sans);font-size:15px;line-height:1.55;max-height:240px;padding:4px 0}.composer textarea::placeholder{color:var(--ink-mute)}.composer-row{display:flex;align-items:center;gap:8px;margin-top:6px}.composer-hint{font-size:11.5px;color:var(--ink-mute)}.composer-hint kbd{font-family:var(--font-mono);background:var(--bg-soft);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:10.5px}.send-btn{margin-left:auto;width:36px;height:36px;border-radius:10px;border:none;background:linear-gradient(135deg,var(--accent),var(--accent-soft));color:var(--bg);display:grid;place-items:center;box-shadow:0 4px 14px -6px var(--accent-glow);transition:transform .14s ease,box-shadow .14s ease,filter .14s ease}.send-btn:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 8px 20px -6px var(--accent-glow)}.send-btn:disabled{opacity:.4;cursor:not-allowed;background:var(--bg-soft);color:var(--ink-mute);box-shadow:none}.stop-btn{margin-left:auto;padding:8px 14px;border-radius:10px;border:1px solid var(--bad);background:transparent;color:var(--bad);font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px}.stop-btn:hover{background:color-mix(in srgb,var(--bad) 10%,transparent)}.welcome{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 24px;text-align:center}.welcome-mark-wrap{margin-bottom:22px;animation:floaty 4s ease-in-out infinite}.brand-mark-anim{animation:floaty 4s ease-in-out infinite}@keyframes floaty{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}.welcome h1{font-family:var(--font-display);font-size:38px;font-weight:500;margin:0 0 8px;letter-spacing:-.02em}.welcome p{font-size:15px;color:var(--ink-soft);margin:0 0 32px;max-width:480px;line-height:1.6}.suggest-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:560px;width:100%}@media (max-width: 560px){.suggest-grid{grid-template-columns:1fr}}.suggest-card{text-align:left;background:var(--bg-elev);border:1px solid var(--line);border-radius:12px;padding:14px 16px;transition:all .16s ease}.suggest-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 24px -16px var(--accent-glow)}.suggest-card-title{font-weight:500;font-size:13.5px;color:var(--ink);margin-bottom:4px}.suggest-card-sub{font-size:12px;color:var(--ink-mute);line-height:1.5}.drawer-back{position:fixed;inset:0;background:#0006;backdrop-filter:blur(4px);z-index:90;animation:fadeIn .16s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.drawer{position:fixed;top:0;right:0;bottom:0;width:380px;max-width:100vw;background:var(--bg-elev);border-left:1px solid var(--line);z-index:100;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:drawerIn .26s cubic-bezier(.16,1,.3,1)}@keyframes drawerIn{0%{transform:translate(100%)}to{transform:translate(0)}}.drawer-head{padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.drawer-title{font-family:var(--font-display);font-size:22px;font-weight:500}.drawer-body{flex:1;overflow-y:auto;padding:18px 20px 24px;display:flex;flex-direction:column;gap:22px}.setting-group{display:flex;flex-direction:column;gap:8px}.setting-label{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-mute);font-weight:500}.setting-help{font-size:12px;color:var(--ink-mute);line-height:1.5}.select,.text-input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px 12px;color:var(--ink);font-family:inherit;font-size:14px;outline:none;transition:border-color .14s}.select:focus,.text-input:focus{border-color:var(--accent)}.text-input{resize:vertical;min-height:80px;font-family:var(--font-mono);font-size:13px;line-height:1.5}.slider-row{display:flex;align-items:center;gap:12px}.slider-row input[type=range]{flex:1;accent-color:var(--accent)}.slider-val{min-width:36px;text-align:right;font-family:var(--font-mono);font-size:13px;color:var(--ink-soft)}.theme-toggle{display:flex;background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:3px;gap:2px}.theme-toggle button{flex:1;background:transparent;border:none;padding:8px 12px;border-radius:7px;color:var(--ink-soft);font-size:13px;transition:background .14s,color .14s}.theme-toggle button[data-active=true]{background:var(--accent);color:var(--bg)}.gate{height:100%;display:grid;place-items:center;padding:24px}.gate-card{max-width:440px;width:100%;background:var(--bg-elev);border:1px solid var(--line);border-radius:18px;padding:32px 28px;text-align:center;box-shadow:var(--shadow-lg)}.gate-card h1{font-family:var(--font-display);font-size:28px;font-weight:500;margin:14px 0 8px;letter-spacing:-.015em}.gate-card p{color:var(--ink-soft);font-size:14px;line-height:1.6;margin:0 0 22px}.gate-btn{display:inline-block;padding:12px 22px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent-soft));color:var(--bg);border:none;font-size:14px;font-weight:500;text-decoration:none;box-shadow:0 8px 22px -10px var(--accent-glow);transition:filter .14s,transform .14s}.gate-btn:hover{filter:brightness(1.06);transform:translateY(-1px)}.gate-input-row{display:flex;gap:8px;margin-bottom:14px}.gate-input-row input{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;color:var(--ink);font-family:var(--font-mono);font-size:12.5px;outline:none}.gate-input-row input:focus{border-color:var(--accent)}.spinner{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.toast{position:fixed;top:16px;left:50%;transform:translate(-50%);background:var(--bg-elev);border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:13px;color:var(--ink);box-shadow:var(--shadow-lg);z-index:200;animation:toastIn .2s ease}@keyframes toastIn{0%{opacity:0;transform:translate(-50%,-10px)}to{opacity:1;transform:translate(-50%)}}.toast[data-tone=error]{border-color:var(--bad);color:var(--bad)}.toast[data-tone=ok]{border-color:var(--good);color:var(--good)}