:root{color-scheme:light dark;--bg: #ffffff;--surface: #f3efe6;--surface-2: #eceae2;--ink: #0d0d0d;--muted: #707070;--line: #e7e2d8;--accent: #7a4e24;--primary: #0d0d0d;--primary-ink: #ffffff;--danger: #b3261e;--ok: #3f7a3f;--sans: system-ui, -apple-system, "Segoe UI", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, monospace;--radius: 8px;--radius-bubble: 20px;--radius-pill: 26px;--radius-dialog: 16px;--dur-fast: .12s;--dur: .2s;--ease: cubic-bezier(.2, 0, 0, 1);--shadow-composer: 0 1px 3px rgb(0 0 0 / .07), 0 1px 2px rgb(0 0 0 / .04);--shadow-dialog: 0 24px 60px rgb(0 0 0 / .35);--col: 48rem}@media(prefers-color-scheme:dark){:root{--bg: #211f1a;--surface: #35322b;--surface-2: #2b2822;--ink: #ececec;--muted: #a8a294;--line: #3d3a33;--accent: #d9a05b;--primary: #ececec;--primary-ink: #0d0d0d;--danger: #ff6369;--ok: #7bc97b;--shadow-composer: 0 1px 3px rgb(0 0 0 / .4);--shadow-dialog: 0 24px 60px rgb(0 0 0 / .6)}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 var(--sans);display:flex;flex-direction:row;min-height:100dvh}#app{flex:1;display:flex;flex-direction:column;min-width:0;min-height:100dvh}#sidebar{flex:none;width:264px;display:flex;flex-direction:column;gap:4px;padding:12px;background:var(--surface-2);border-right:1px solid var(--line)}.new-chat{text-align:left;font-size:13.5px;border:1px solid var(--line);background:var(--bg);border-radius:10px;padding:8px 12px;margin-bottom:10px}#chat-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:2px}.chat-item{display:flex;align-items:center;gap:8px;width:100%;text-align:left;font-size:13.5px;padding:8px 10px;border:0;border-radius:8px;background:none;color:var(--ink);cursor:pointer}.chat-item:hover{background:var(--bg)}.chat-item.active{background:var(--bg);font-weight:550}.chat-item .title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-item .del{flex:none;font-size:11px;color:var(--muted);padding:2px 4px;border-radius:4px;opacity:0}.chat-item:hover .del,.chat-item .del:focus-visible{opacity:1}.chat-item .del:hover{color:var(--danger)}#sidebar-backdrop{position:fixed;inset:0;background:#0006;z-index:19}#sidebar-backdrop[hidden]{display:none}.menu-btn{display:none;font-size:16px}@media(max-width:768px){.menu-btn{display:block}#sidebar{position:fixed;top:0;bottom:0;left:0;z-index:20;transform:translate(-100%);transition:transform var(--dur) var(--ease)}#sidebar.open{transform:none}}header{display:flex;align-items:center;gap:12px;padding:12px max(16px,calc((100% - var(--col)) / 2))}.brand{display:flex;align-items:center;gap:8px}.brand-mark{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);font-size:15px;line-height:1}.brand-name{font-size:16px;font-weight:600;letter-spacing:-.01em}.brand-badge{font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:1px 8px}button.linklike{font:inherit;font-size:13px;color:var(--muted);background:none;border:0;padding:2px 4px;cursor:pointer}button.linklike:hover{color:var(--ink)}#status{padding:8px max(16px,calc((100% - var(--col)) / 2))}#status[hidden]{display:none}#status-text{margin:0;color:var(--muted);font-size:13px;min-height:1.2em;overflow-wrap:anywhere}#actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:8px}#progress-wrap{height:4px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin-bottom:10px}#progress-bar{height:100%;width:0%;background:var(--accent);transition:width .15s linear}#progress-wrap.indeterminate #progress-bar{width:35%!important;animation:slide 1.1s ease-in-out infinite}@keyframes slide{0%{margin-left:-35%}to{margin-left:100%}}button{font:inherit;font-size:14px;padding:8px 14px;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer;transition:background var(--dur-fast) var(--ease)}button:hover:not(:disabled){background:var(--surface-2)}button:disabled{opacity:.45;cursor:not-allowed}button.primary{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:600}button.primary:hover:not(:disabled){background:var(--primary);filter:brightness(1.15)}button.ghost{background:transparent;border-color:transparent}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}#chat{flex:1;overflow-y:auto;padding:16px max(16px,calc((100% - var(--col)) / 2));display:flex;flex-direction:column;gap:26px}.turn.assistant{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start}.turn-content{min-width:0}.avatar{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);background:var(--bg);font-size:16px;line-height:1;user-select:none}.turn.user{display:flex;justify-content:flex-end}.msg{white-space:pre-wrap;overflow-wrap:anywhere}.turn.user .msg{background:var(--surface);border-radius:var(--radius-bubble);padding:10px 16px;max-width:min(85%,42rem)}.turn.assistant .msg{padding:4px 0 0;white-space:normal}.msg h1,.msg h2,.msg h3,.msg h4{margin:16px 0 6px;font-size:15px;font-weight:650}.msg h1:first-child,.msg h2:first-child,.msg h3:first-child,.msg h4:first-child{margin-top:0}.msg p{margin:0 0 10px}.msg p:last-child{margin-bottom:0}.msg ul,.msg ol{margin:0 0 10px;padding-left:22px}.msg li{margin:2px 0}.msg code{background:var(--surface-2);border-radius:4px;padding:1px 5px;font:.92em/1.4 var(--mono)}.msg pre{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;overflow-x:auto;margin:0 0 10px}.msg pre code{background:none;padding:0;font:13px/1.5 var(--mono)}.msg blockquote{margin:0 0 10px;padding:2px 0 2px 12px;border-left:3px solid var(--line);color:var(--muted)}.msg a{color:var(--accent)}.msg.system{align-self:center;color:var(--muted);font-size:13px;text-align:center;max-width:min(72ch,100%);border:1px dashed var(--line);border-radius:var(--radius);padding:8px 14px;background:var(--bg)}.msg-actions{display:flex;gap:10px;margin-top:4px;opacity:0;transition:opacity var(--dur-fast) var(--ease)}.turn:hover .msg-actions,.turn:focus-within .msg-actions{opacity:1}@media(pointer:coarse){.msg-actions{opacity:.55}}.msg-actions button{font-size:12.5px;padding:2px 4px;border:0;background:none;color:var(--muted)}.msg-actions button:hover{color:var(--ink);background:none}#empty-state{margin:auto;text-align:center;padding:24px 16px 10vh}#empty-state[hidden]{display:none}#chat:has(.msg.system) #empty-state{margin:12vh auto 0;padding-bottom:12px}#empty-state h2{font-size:30px;font-weight:550;letter-spacing:-.02em;margin:0 0 10px}#empty-state p{margin:0 0 28px;color:var(--muted);font-size:14px}#suggestions{display:flex;flex-direction:column;gap:10px}#suggestions button{font:inherit;font-size:14px;color:var(--muted);background:none;border:0;padding:0;cursor:pointer}#suggestions button:hover{color:var(--ink);background:none}@media(min-width:640px){#empty-state h2{font-size:34px}}#jump-latest{position:fixed;left:50%;translate:-50% 0;bottom:calc(120px + env(safe-area-inset-bottom));font-size:12px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:4px 12px;box-shadow:var(--shadow-composer);z-index:5}#jump-latest[hidden]{display:none}.thinking{display:flex;align-items:center;gap:10px;white-space:normal;padding:2px 0}.poop{position:relative;display:inline-block;font-size:26px;line-height:1;transform-origin:50% 100%;animation:poop-bounce .9s cubic-bezier(.34,.61,.42,1) infinite}.poop:after{content:"";position:absolute;left:50%;bottom:-5px;width:26px;height:6px;translate:-50% 0;border-radius:50%;background:radial-gradient(ellipse at center,rgba(0,0,0,.55),transparent 70%);transform-origin:50% 50%;animation:poop-shadow .9s cubic-bezier(.34,.61,.42,1) infinite}.thinking-label{color:var(--muted);font-size:13px;animation:thinking-fade 1.8s ease-in-out infinite}@keyframes poop-bounce{0%,to{transform:translateY(0) scale(1)}25%{transform:translateY(-16px) scale(.94,1.06)}50%{transform:translateY(0) scale(1.16,.84)}68%{transform:translateY(-6px) scale(.98,1.02)}84%{transform:translateY(0) scale(1.06,.94)}}@keyframes poop-shadow{0%,to{transform:scaleX(1);opacity:.35}25%{transform:scaleX(.55);opacity:.14}50%{transform:scaleX(1.3);opacity:.5}68%{transform:scaleX(.8);opacity:.26}84%{transform:scaleX(1.12);opacity:.4}}@keyframes thinking-fade{0%,to{opacity:.55}50%{opacity:1}}@media(prefers-reduced-motion:reduce){.poop,.poop:after,.thinking-label{animation:none}#progress-wrap.indeterminate #progress-bar{animation:none}*{transition-duration:1ms!important}}#composer{padding:8px max(16px,calc((100% - var(--col)) / 2)) calc(8px + env(safe-area-inset-bottom))}.composer-pill{display:flex;align-items:flex-end;gap:8px;border:1px solid var(--line);border-radius:var(--radius-pill);background:var(--bg);box-shadow:var(--shadow-composer);padding:8px 8px 8px 16px}.composer-pill:focus-within{border-color:var(--muted)}#input{flex:1;font:inherit;font-size:16px;line-height:1.5;padding:6px 0;border:0;background:transparent;color:var(--ink);resize:none;max-height:30vh}#input:focus{outline:none}#input::placeholder{color:var(--muted)}.pill-btn{flex:none;display:grid;place-items:center;width:34px;height:34px;padding:0;border-radius:50%;border:0;background:var(--primary);color:var(--primary-ink);cursor:pointer}.pill-btn:hover:not(:disabled){background:var(--primary);filter:brightness(1.2)}.pill-btn:disabled{background:var(--surface-2);color:var(--muted)}.pill-btn svg{width:16px;height:16px}.pill-btn[hidden]{display:none}#len-hint{margin:6px 4px 0;font-size:12px;color:var(--muted)}#len-hint[hidden]{display:none}#composer-note{margin:8px 0 0;text-align:center;font-size:12px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:var(--radius-dialog);background:var(--bg);color:var(--ink);padding:22px;width:min(440px,calc(100vw - 32px));box-shadow:var(--shadow-dialog)}dialog::backdrop{background:#00000080;backdrop-filter:blur(2px)}dialog h2{margin:0 0 8px;font-size:18px;font-weight:600}dialog p{margin:0 0 14px;color:var(--muted);font-size:14px}#consent-privacy{font-size:13px}#consent-meta{margin:0 0 18px;padding:0;list-style:none;font-size:13px}#consent-meta li{display:flex;gap:8px;padding:8px 0 8px 10px;border-left:2px solid var(--line);color:var(--muted)}#consent-meta li.warn{border-left-color:var(--accent)}.dialog-actions{display:flex;gap:8px;justify-content:flex-end}#diagnostics[hidden]{display:none}#diagnostics{padding:0 max(16px,calc((100% - var(--col)) / 2));border-top:1px solid var(--line);font-size:12px}#diagnostics summary{cursor:pointer;color:var(--muted);padding:10px 0}#diagnostics pre{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);padding:10px 12px;overflow-x:auto;white-space:pre-wrap;overflow-wrap:anywhere;margin:0 0 10px;font-family:var(--mono)}