:root{color-scheme:light;--bg:#f8f9f5;--surface:#fff;--ink:#253c35;--muted:#7b8881;--line:#e4e9e2;--accent:#234f42;--soft:#edf2e9;--side:#173d33;--side-text:#c8d4cd;--shadow:0 12px 40px #1d42300b}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"Segoe UI",Arial,sans-serif;font-size:14px;line-height:1.55}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,select:focus-visible{outline:3px solid #79ab88;outline-offset:4px}svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.sprite{position:absolute;width:0;height:0;overflow:hidden}[hidden]{display:none!important}
.sidebar{width:264px;position:fixed;inset:0 auto 0 0;background:var(--side);color:var(--side-text);padding:34px 22px 20px;display:flex;flex-direction:column;z-index:30}.brand{font-size:29px;color:#fff;font-weight:750;letter-spacing:-1.5px;display:flex;align-items:center}.brand span{font-weight:350}.brand small{font-size:10px;letter-spacing:.8px;margin-left:9px;padding:3px 5px;border:1px solid #698173;color:#cadac6;border-radius:4px}.brand-caption{font-size:8px;letter-spacing:2.3px;margin-top:6px;color:#91a99a}.new-chat{display:flex;align-items:center;gap:11px;width:100%;background:#edf3d8;color:#254334;border:0;border-radius:9px;padding:13px 14px;font-size:13px;font-weight:650;margin-top:38px}.new-chat kbd{margin-left:auto;font-size:14px;font-weight:400;opacity:.5}.navigation{display:grid;gap:5px;margin-top:24px}.nav{background:transparent;border:0;color:var(--side-text);display:flex;align-items:center;gap:12px;text-align:left;width:100%;padding:12px 13px;border-radius:8px;font-size:13px}.nav:hover{background:#ffffff08}.nav.active{color:#edf3da;background:#345649}.nav-count{margin-left:auto;font-size:10px;border-radius:5px;padding:1px 6px;background:#ffffff14}.history-heading{display:flex;justify-content:space-between;font-size:9px;letter-spacing:1.7px;margin:30px 13px 12px;color:#829d8e}.conversation-list{overflow:auto;flex:1;min-height:80px;scrollbar-width:thin}.conversation{display:flex;align-items:center;border-radius:7px;margin-bottom:3px}.conversation.active{background:#ffffff0c}.conversation>button:first-child{flex:1;min-width:0;padding:10px 13px;border:0;background:none;color:#b2c6b9;text-align:left;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;font-size:12px}.conversation.active>button:first-child{color:#eff3e7}.conversation .remove-chat{background:none;border:0;color:#89a190;padding:8px;opacity:0}.conversation:hover .remove-chat,.remove-chat:focus-visible{opacity:1}.remove-chat svg{width:13px;height:13px}.history-empty{font-size:11px;color:#839e8e;padding:10px 13px}.sidebar-bottom{margin-top:20px}.private-note{border:1px solid #ffffff13;border-radius:10px;padding:13px 10px;display:flex;gap:10px;margin-bottom:17px}.private-note>svg{width:17px;color:#b5c89d;margin-top:3px}.private-note strong{font-size:10px;font-weight:600;color:#d5dfca;display:block}.private-note span{font-size:9px;display:block;color:#8ca796;margin-top:3px}.profile{border-top:1px solid #ffffff12;margin-top:14px;padding-top:19px;display:flex;align-items:center;gap:10px}.avatar{background:#35584a;border:1px solid #597366;color:#e3edce;font-size:10px;font-weight:650;width:34px;height:34px;border-radius:50%;display:grid;place-items:center}.profile strong{font-size:11px;display:block;color:#e3eadd}.profile span{font-size:9px;color:#8ba495;display:block}.profile-dot{width:6px;height:6px;background:#b7d38e;border-radius:50%;margin-left:auto}
main{margin-left:264px;min-height:100dvh}.topbar{height:81px;border-bottom:1px solid var(--line);padding:0 38px;display:flex;justify-content:space-between;align-items:center;gap:20px}.page-title,.header-actions{display:flex;align-items:center;gap:13px}.page-title>span:first-of-type{font-weight:600;font-size:13px}.beta{font-size:8px;letter-spacing:1px;border:1px solid var(--line);border-radius:4px;padding:3px 5px;color:var(--muted)}.header-actions{gap:17px}.icon-button{background:none;border:0;color:var(--muted);padding:7px;display:grid;place-items:center;border-radius:6px}.icon-button:hover{background:var(--soft)}.status{display:flex;align-items:center;gap:7px;background:var(--soft);color:var(--accent);border:1px solid var(--line);border-radius:20px;padding:7px 11px;font-size:10px}.status-dot{width:5px;height:5px;border-radius:50%;background:#739a67}.status.error .status-dot{background:#c09754}.status.error{color:#9b773e}.sample-button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:7px 0}.sample-button:hover{color:var(--accent)}.mobile-only{display:none}
.chat-panel{height:calc(100dvh - 81px);display:flex;flex-direction:column;max-width:1080px;margin:auto;padding:0 42px}.messages{flex:1;overflow-y:auto;min-height:0;scrollbar-width:thin;padding:35px 3px 25px;scroll-behavior:smooth}.welcome{max-width:770px;margin:26px auto 0}.welcome-top{display:flex;align-items:center;gap:9px;margin-bottom:21px;color:var(--accent);font-size:9px;letter-spacing:2.1px}.welcome-top svg{width:17px;height:17px}.welcome h1{font-size:clamp(32px,3.65vw,56px);font-weight:450;letter-spacing:-2.2px;line-height:1.16;margin:0}.welcome h1 em{font-family:Georgia,"Times New Roman",serif;font-weight:400;color:#78917a}.welcome>p{color:var(--muted);font-size:13px;line-height:1.8;max-width:455px;margin:22px 0 29px}.welcome-rule{display:flex;align-items:center;gap:12px;font-size:9px;color:var(--muted);letter-spacing:1px;margin-bottom:20px}.welcome-rule:after{content:"";height:1px;background:var(--line);flex:1}.suggestions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.suggestion{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:19px 18px;text-align:left;transition:transform .2s,border-color .2s,box-shadow .2s;color:var(--ink);min-height:142px;display:flex;flex-direction:column}.suggestion:hover{transform:translateY(-3px);border-color:#aec3a5;box-shadow:var(--shadow)}.suggestion>svg{color:#607d5b;background:var(--soft);width:32px;height:32px;padding:7px;border-radius:8px;margin-bottom:16px}.suggestion strong{font-size:12px;font-weight:600;display:block}.suggestion p{font-size:10px;color:var(--muted);line-height:1.7;margin:7px 0 0}.welcome-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:26px;font-size:9px;color:var(--muted)}.welcome-footer .letters{font-family:Georgia,serif;font-size:17px;letter-spacing:6px;color:#71846e}.bubble{margin:0 auto 27px;max-width:850px}.bubble.user{max-width:75%;margin-right:0;background:var(--soft);padding:15px 19px;border-radius:15px 15px 3px 15px}.bubble.assistant{display:grid;grid-template-columns:30px 1fr;gap:13px}.ai-avatar{background:var(--accent);color:#f0f5df;width:29px;height:29px;border-radius:9px;display:grid;place-items:center;margin-top:1px}.ai-avatar svg{width:15px;height:15px}.bubble-content{min-width:0}.bubble .label{font-size:10px;font-weight:600;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:10px}.sample-label{font-size:8px;font-weight:400;color:#938356;background:#f0ecdd;border-radius:4px;padding:2px 6px}.answer{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font-size:14px}.bubble.user .answer{font-size:13px}.bubble-tools{display:flex;align-items:center;gap:10px;margin-top:13px}.meta{font-size:9px;color:var(--muted)}.copy-button{display:flex;align-items:center;gap:6px;background:none;border:0;color:var(--muted);padding:2px 0;font-size:9px}.copy-button svg{width:12px;height:12px}.sources{border:1px solid var(--line);border-radius:9px;background:var(--surface);padding:10px 14px;margin-top:15px;font-size:11px}.sources summary{cursor:pointer;color:var(--accent)}.source{padding:12px 0 3px}.source strong,.source small{display:block}.source small{color:var(--muted);font-size:10px;margin-top:4px;overflow-wrap:anywhere}.pending .answer{color:var(--muted)}.pending .ai-avatar svg{animation:pulse 1.8s infinite}@keyframes pulse{50%{opacity:.35}}
.composer-area{flex-shrink:0;padding-bottom:22px}.composer{background:var(--surface);border:1px solid #ced9c8;border-radius:16px;padding:17px 19px 13px;box-shadow:var(--shadow)}.composer:focus-within{border-color:#8da17d}.composer>textarea{width:100%;resize:none;border:0;background:transparent;color:var(--ink);font-size:13px;line-height:1.7;outline:none;min-height:53px;max-height:120px;padding:0}.composer>textarea::placeholder{color:#96a196}.composer-controls{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px}.mode-control{display:flex;gap:3px;background:var(--bg);padding:3px;border-radius:7px}.mode-control button{display:flex;align-items:center;gap:6px;border:0;background:none;color:var(--muted);font-size:9px;padding:6px 9px;border-radius:5px}.mode-control svg{width:12px;height:12px}.mode-control button.selected{background:var(--soft);color:var(--accent);font-weight:600}.send-controls{display:flex;align-items:center;gap:13px}.send-controls>span{font-size:8px;color:#9ba59d}.send-button{width:35px;height:35px;border:0;background:var(--accent);color:#fff;border-radius:9px;display:grid;place-items:center}.send-button svg{width:17px;height:17px}.composer-note{display:flex;justify-content:space-between;margin:11px 5px 0;font-size:8px;color:#8c978e;gap:12px}.keyboard-note{white-space:nowrap}
.page-panel{max-width:1140px;margin:auto;padding:44px}.section-intro{margin-bottom:34px}.eyebrow{font-size:9px;letter-spacing:2px;color:var(--muted)}.section-intro h1{font-size:32px;line-height:1.25;letter-spacing:-1px;font-weight:500;margin:13px 0}.section-intro p{color:var(--muted);font-size:13px}h2{font-size:18px;font-weight:600;letter-spacing:-.3px}h3{font-size:14px;font-weight:600;margin:0 0 5px}.docs-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:30px}.card{background:var(--surface);border:1px solid var(--line);border-radius:15px;padding:24px}.card-title{display:flex;align-items:center;gap:10px}.card-title h2{margin:0}.card-title svg{color:var(--accent)}.card label{display:block;font-size:11px;margin-top:20px}.card input:not([type=file]),.card textarea{display:block;width:100%;margin-top:8px;padding:11px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);font-size:12px}.card textarea{resize:vertical}.card input:focus,.card textarea:focus{outline:2px solid #a5bd99;outline-offset:1px}.file-picker{padding:13px;border:1px dashed #ced8c8;border-radius:9px;color:var(--muted)}.file-picker input{max-width:100%;font-size:11px;display:block;margin-bottom:9px}.file-picker>span{font-size:9px}.primary{background:var(--accent);color:#fff;border:0;border-radius:8px;padding:12px 16px;font-size:12px;font-weight:600}.card .primary{width:100%;margin-top:20px}.muted{font-size:11px;color:var(--muted)}.list-heading{display:flex;align-items:center;justify-content:space-between;gap:15px}.list-heading h2{font-size:16px}.text-link{display:flex;align-items:center;gap:6px;font-size:10px;color:var(--accent)}.text-link svg{width:14px;height:14px}.document{padding:17px;background:var(--surface);border:1px solid var(--line);border-radius:10px;margin-top:12px}.document strong{font-size:12px;display:block;margin-bottom:7px}.document small{font-size:10px;color:var(--muted);display:block;overflow-wrap:anywhere;margin-top:4px}.delete{border:0;background:none;color:#a47b59;padding:9px 0 0;font-size:9px}.empty{font-size:12px;color:var(--muted);padding:30px 0}#doc-feedback{font-size:11px;color:var(--muted)}.knowledge-hero{background:var(--soft);border:1px solid var(--line);border-radius:16px;padding:28px;display:flex;gap:23px;align-items:center}.knowledge-hero>svg{width:47px;height:47px;color:#718a64}.knowledge-hero h2{font-size:23px;margin:9px 0}.knowledge-hero p{color:var(--muted);font-size:12px;margin:0;max-width:550px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:22px}.feature-grid article{border:1px solid var(--line);border-radius:12px;padding:22px;background:var(--surface)}.feature-grid article>span{font-size:10px;color:#9bab92;display:block;margin-bottom:17px}.feature-grid p{font-size:11px;color:var(--muted);line-height:1.7}.settings-card{display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:23px;margin-bottom:15px}.settings-card p{font-size:11px;color:var(--muted);margin:0;max-width:440px}.settings-card select{border:1px solid var(--line);background:var(--bg);color:var(--ink);padding:10px 13px;border-radius:7px;font-size:11px;min-width:195px}.danger-button{font-size:11px;color:#aa7450;border:1px solid #d7bba533;background:transparent;border-radius:7px;padding:10px 13px;white-space:nowrap}.alphabet-preview{border-top:1px solid var(--line);padding-top:25px;margin-top:31px}.alphabet-preview p{font-size:25px;font-family:Georgia,serif;line-height:1.6}.alphabet-preview>span:last-child{font-size:10px;color:var(--muted)}.toast{position:fixed;bottom:24px;left:calc(50% + 132px);transform:translateX(-50%);background:var(--accent);color:#fff;padding:12px 19px;border-radius:10px;box-shadow:0 10px 35px #0002;font-size:12px;z-index:60;max-width:90vw}.scrim{position:fixed;inset:0;background:#10291c70;border:0;z-index:25}
body[data-theme=dark]{color-scheme:dark;--bg:#18251f;--surface:#203128;--ink:#e1e8db;--muted:#97a798;--line:#344739;--accent:#b4cea0;--soft:#2a3e2e;--side:#102b23;--shadow:0 12px 40px #0001}body[data-theme=dark] .send-button,body[data-theme=dark] .primary,body[data-theme=dark] .ai-avatar,body[data-theme=dark] .toast{color:#18331f}body[data-theme=dark] .welcome h1 em{color:#a1b995}body[data-theme=dark] .sample-label{background:#3a3d2c;color:#c9c195}
@media(min-width:1600px){.welcome{margin-top:65px}.welcome>p{margin-bottom:37px}.suggestion{min-height:157px}.chat-panel{max-width:1160px}}
@media(max-width:1100px){.sidebar{width:225px;padding:30px 17px 18px}.brand{font-size:25px}.brand-caption{font-size:7px}main{margin-left:225px}.topbar{padding:0 27px}.chat-panel{padding:0 29px}.welcome{margin-top:14px}.welcome h1{font-size:40px}.suggestion{padding:15px;min-height:140px}.page-panel{padding:34px 29px}.toast{left:calc(50% + 112px)}.settings-card{gap:14px}}
@media(max-width:820px){.sidebar{transform:translateX(-100%);transition:transform .2s;width:264px}.sidebar.open{transform:translateX(0)}main{margin-left:0}.mobile-only{display:grid}.topbar{height:68px;padding:0 20px}.chat-panel{height:calc(100dvh - 68px);padding:0 25px}.page-panel{padding:32px 25px}.welcome{margin-top:22px}.welcome h1{font-size:43px}.toast{left:50%}.docs-layout{grid-template-columns:1fr}.settings-card select{min-width:180px}.remove-chat{opacity:1!important}}
@media(max-width:520px){.header-actions{gap:8px}.topbar{padding:0 12px}.page-title{gap:7px}.sample-button{font-size:9px}.status{font-size:9px;padding:6px 8px}.header-actions .icon-button{padding:4px}.beta{display:none}.chat-panel{padding:0 17px}.messages{padding-top:25px}.welcome{margin-top:13px}.welcome h1{font-size:37px;letter-spacing:-1.4px}.welcome-top{font-size:8px;letter-spacing:1.4px;margin-bottom:17px}.welcome>p{font-size:12px;margin:17px 0 23px}.suggestions{grid-template-columns:1fr;gap:9px}.suggestion{padding:13px 15px;min-height:0;display:grid;grid-template-columns:32px 1fr;column-gap:12px}.suggestion>svg{grid-row:span 2;margin:0}.suggestion strong{font-size:11px}.suggestion p{margin-top:2px;font-size:9px}.welcome-footer{margin:17px 0}.welcome-footer .letters{font-size:14px;letter-spacing:4px}.composer{padding:14px 13px 11px}.composer-area{padding-bottom:15px}.mode-control button{font-size:8px;padding:6px}.send-controls>span{display:none}.composer-note{font-size:7px}.keyboard-note{display:none}.bubble.user{max-width:88%}.answer{font-size:13px}.page-panel{padding:28px 19px}.section-intro h1{font-size:28px}.settings-card{display:block;padding:20px}.settings-card select,.settings-card>button{margin-top:15px;min-width:100%;width:100%}.feature-grid{grid-template-columns:1fr;gap:10px}.feature-grid article{padding:18px}.feature-grid article>span{margin-bottom:10px}.knowledge-hero{padding:20px;gap:15px}.knowledge-hero>svg{width:31px;height:31px}.knowledge-hero h2{font-size:19px}.alphabet-preview p{font-size:22px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Uzbek.zone concept: dark archive, red actions, a reading panel beside chat. */
:root{--side-width:clamp(240px,19vw,320px);--viewer-width:clamp(340px,32vw,550px)}
body,body[data-theme=dark]{color-scheme:dark;--bg:#111214;--surface:#17191b;--ink:#f3f3f4;--muted:#a2a6af;--line:#2d3035;--accent:#dc1020;--soft:#24272b;--side:#111214;--side-text:#c5c7ce;--shadow:none;background:var(--bg);font-size:16px}
body[data-theme=light]{color-scheme:light;--bg:#f6f6f7;--surface:#fff;--ink:#202125;--muted:#727782;--line:#dcdde2;--accent:#d51021;--soft:#ececf0;--side:#f6f6f7;--side-text:#5b606a}
button:focus-visible,a:focus-visible,select:focus-visible{outline-color:#e53545}
.sidebar{width:var(--side-width);background:var(--side);padding:30px 24px 18px;border-right:1px solid var(--line);color:var(--side-text)}
.brand{font-size:clamp(32px,2.7vw,46px);font-weight:400;letter-spacing:-2px;color:var(--ink);display:block;line-height:1.2;white-space:nowrap}.brand .brand-dot{font-weight:800;color:var(--accent)}
.new-chat{height:64px;margin-top:30px;background:var(--accent);color:#fff;border-radius:10px;font-size:18px;font-weight:500;padding:16px 20px;gap:15px}.new-chat>svg{width:25px;height:25px}.new-chat kbd{display:none}
.project-heading{border-top:1px solid var(--line);margin-top:30px;padding:21px 5px 7px;font-size:16px;color:var(--muted)}.navigation{margin-top:8px}.nav{color:var(--side-text);padding:12px 5px;font-size:15px;border-radius:8px;gap:14px}.nav svg{width:24px;height:24px}.nav:hover,.nav.active{background:var(--soft);color:var(--ink)}.folder-arrow{margin-left:auto;width:16px!important;height:16px!important;transform:rotate(90deg)}.project-file-count{display:flex;align-items:center;gap:12px;padding:12px 6px 12px 43px;color:var(--muted);font-size:14px}.project-file-count svg{width:19px;height:19px}.project-file-count b{font-weight:400}
.history-heading{border-top:1px solid var(--line);margin:22px 0 15px;padding:21px 5px 0;font-size:16px;letter-spacing:0;color:var(--muted)}#history-count{font-size:11px;color:var(--muted);opacity:.7}.conversation{position:relative;border-radius:8px;margin-bottom:4px}.conversation.active{background:var(--soft)}.conversation.active:before{content:'';position:absolute;left:-8px;top:7px;bottom:7px;width:3px;border-radius:4px;background:var(--accent)}.conversation>button:first-child{padding:14px 10px;color:var(--side-text);font-size:15px;display:flex;align-items:center;gap:13px}.conversation>button:first-child>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation>button:first-child>svg{width:23px;height:23px}.conversation.active>button:first-child{color:var(--ink)}.conversation .remove-chat{color:var(--muted)}.history-empty{font-size:13px;color:var(--muted);padding:10px 5px}.private-note{display:none}.sidebar-bottom{padding-top:12px;border-top:1px solid var(--line);margin-top:16px}.profile{border-color:var(--line);padding-top:13px;margin-top:8px}.avatar,.header-profile{background:#282b30;border:1px solid #555b65;color:#f5f5f6}.profile strong{color:var(--ink)}.profile span{color:var(--muted)}.profile-dot{background:#719b80}
main{margin-left:var(--side-width);min-width:0;transition:margin-right .18s}.viewer-open main{margin-right:var(--viewer-width)}.topbar{height:108px;padding:0 34px;gap:15px;border-color:var(--line)}.page-title{min-width:0;flex:1}.page-title>span:first-of-type{font-size:clamp(19px,1.7vw,28px);font-weight:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;letter-spacing:-.5px}.header-actions{gap:12px}.sample-button{font-size:11px;color:var(--muted);white-space:nowrap}.sample-button:hover{color:var(--ink)}.status{background:transparent;border-color:var(--line);color:var(--muted);font-size:10px;padding:6px 9px}.status.error{color:#df9b84}.status.error .status-dot{background:#df9b84}.status-dot{background:#8cbd9d}.header-profile{border-radius:50%;width:40px;height:40px;font-size:12px;flex-shrink:0}.header-actions>.icon-button{padding:5px}
.chat-panel{height:calc(100dvh - 108px);max-width:1140px;padding:0 34px}.viewer-open .chat-panel{max-width:none}.messages{padding:30px 0 24px}.bubble{max-width:950px;margin-bottom:30px}.bubble.user{max-width:78%;background:#282b30;color:#f3f3f4;border-radius:18px;padding:16px 21px;margin-bottom:42px}.bubble.user .answer{font-size:17px;line-height:1.65}.bubble.assistant{display:block}.ai-avatar{display:none}.bubble .label{font-size:11px;margin-bottom:12px;color:var(--muted)}.answer{font-size:17px;line-height:1.8}.sample-label,body[data-theme=dark] .sample-label{color:#cbb9a0;background:#30281f;font-size:9px}.bubble-tools{margin-top:15px}.copy-button{font-size:10px}.meta{font-size:10px}.pending .answer{color:var(--muted)}.pending .answer:after{content:' · · ·';animation:pulse 1.4s infinite}.sources{background:var(--surface);border-color:var(--line)}.sources summary{color:var(--ink)}
.welcome{margin:clamp(15px,5vh,60px) auto 0;max-width:850px}.welcome-top{color:var(--muted);letter-spacing:1.6px;font-size:10px}.welcome h1{font-size:clamp(33px,3.2vw,53px);font-weight:500;letter-spacing:-1.8px;line-height:1.2}.welcome h1 em,body[data-theme=dark] .welcome h1 em{font-family:inherit;font-style:normal;color:var(--muted)}.welcome>p{max-width:540px;font-size:15px;line-height:1.8;margin:22px 0 32px}.welcome-rule{font-size:10px}.welcome-rule:after{background:var(--line)}.suggestion{background:var(--surface);border-color:var(--line);padding:21px 18px;min-height:160px;border-radius:10px}.suggestion:hover{border-color:#b83a45;transform:translateY(-2px)}.suggestion>svg{background:var(--soft);color:var(--ink)}.suggestion strong{font-size:14px}.suggestion p{font-size:12px}.welcome-footer{font-size:11px}.welcome-footer .letters{color:var(--muted)}
.composer-area{padding-bottom:21px}.composer{background:var(--bg);border:1px solid #373b42;border-radius:34px;padding:12px 13px 10px}.composer:focus-within{border-color:#686e78}.input-row{display:flex;align-items:center;gap:12px}.input-row>textarea{width:100%;min-width:0;resize:none;border:0;background:transparent;color:var(--ink);outline:none;line-height:1.5;font-size:16px;padding:9px 0;min-height:43px;max-height:130px}.input-row>textarea::placeholder{color:var(--muted)}.input-row>.icon-button{color:var(--ink);padding:9px}.input-row>.icon-button svg{width:23px;height:23px}.send-button{width:51px;height:51px;background:var(--accent);color:#fff!important;border-radius:50%;flex-shrink:0}.send-button svg{transform:rotate(40deg);width:24px;height:24px}.composer-controls{margin-top:6px;padding:0 15px;gap:10px}.mode-control{background:transparent;padding:0;gap:8px}.mode-control button{font-size:10px;background:transparent;color:var(--muted);padding:3px 7px}.mode-control button.selected{background:var(--soft);color:var(--ink);font-weight:400}.send-controls>span{font-size:9px;color:var(--muted)}.composer-note{font-size:9px;color:var(--muted);padding:0 9px}
.media-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:24px}.media-card{padding:0;text-align:left;background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-width:0;transition:border-color .2s,transform .2s}.media-card:hover{border-color:#9a3d47;transform:translateY(-2px)}.media-card.selected{border-color:#777e8a}.media-thumb{position:relative;aspect-ratio:1.08;overflow:hidden;background:#22262c}.media-thumb img{width:100%;height:100%;object-fit:cover;display:block}.media-thumb .thumb-label{position:absolute;left:9px;top:9px;padding:3px 6px;font-size:9px;background:#111a;color:#fff;border:1px solid #ffffff30;border-radius:4px}.panorama-symbol{position:absolute;bottom:15px;left:0;right:0;text-align:center;font-size:25px;line-height:1;color:#fff;text-shadow:0 1px 8px #000}.panorama-symbol:after{content:'↶  ⟳  ↷';display:block;font-size:28px;margin-top:4px}.document-thumb{background:#ddc9a7;color:#6e5135;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:15px;position:relative;text-align:center;padding:20px}.document-thumb>svg{width:65px;height:65px;stroke-width:.8}.document-thumb>span{font-family:Georgia,serif;font-size:17px;line-height:1.4}.document-thumb>small{font-size:10px;color:#705737}.media-card-body{padding:15px}.media-card-title{display:flex;gap:7px;align-items:center;font-size:15px;font-weight:600;line-height:1.35}.media-card-title>span{min-width:0;flex:1}.media-card-title svg{width:17px;height:17px}.media-card-body p{font-size:12px;line-height:1.55;color:var(--muted);margin:7px 0 0}.media-source-note{font-size:11px;color:var(--muted);margin-top:15px}.audio-strip{display:flex;align-items:center;gap:15px;border:1px solid var(--line);border-radius:11px;padding:17px 18px;margin-top:25px;background:var(--surface)}.audio-strip>button{width:43px;height:43px;display:grid;place-items:center;background:#24272c;border:1px solid #565b63;color:#d7dbe2;border-radius:50%;flex-shrink:0}.audio-strip strong{font-size:14px;font-weight:500;display:block}.audio-strip small{font-size:10px;color:var(--muted);display:block;margin-top:3px}.waveform{display:flex;gap:3px;align-items:center;flex:1;min-width:0;height:36px;overflow:hidden;opacity:.6}.waveform>i{display:block;width:2px;min-width:2px;background:#b4bac4;border-radius:2px}.audio-time{font-size:11px;color:var(--muted);white-space:nowrap}
.media-viewer{position:fixed;right:0;top:0;bottom:0;width:var(--viewer-width);border-left:1px solid var(--line);padding:25px 11px 22px;background:var(--bg);overflow-y:auto;z-index:20;scrollbar-width:thin}.viewer-head{display:flex;justify-content:space-between;align-items:center;padding:12px 15px 17px;gap:12px;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0;background:var(--surface)}.viewer-head h2{font-size:18px;margin:0;font-weight:500;line-height:1.4}.viewer-head>.icon-button{color:var(--ink)}.viewer-stage{position:relative;min-height:260px;overflow:hidden;border:1px solid var(--line);border-top:0;border-bottom:0;background:var(--surface)}#viewer-image{display:block;width:100%;height:clamp(320px,57vh,630px);object-fit:cover;transition:object-position .4s}.viewer-gallery{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px;border-radius:35px;background:#111d;padding:8px 10px;color:#fff;white-space:nowrap;font-size:12px}.viewer-gallery .icon-button{color:#fff}.viewer-gallery #gallery-prev svg{transform:rotate(180deg)}.expand-button{position:absolute;right:15px;bottom:24px;border:1px solid #fff4;border-radius:50%;background:#111c;color:#fff;width:43px;height:43px;display:grid;place-items:center}.viewer-description{border:1px solid var(--line);border-top:0;border-radius:0 0 10px 10px;background:var(--surface);padding:20px 24px 24px}.viewer-description h3{font-size:20px;margin:12px 0;font-weight:500}.viewer-description p{font-size:15px;line-height:1.8;color:#c5c9d0;margin:0}.viewer-label{font-size:10px;color:#cbbba0;background:#332b23;padding:4px 7px;border-radius:4px}.viewer-meta{display:flex;flex-wrap:wrap;gap:14px;padding-top:18px;border-top:1px solid var(--line);margin-top:22px;color:var(--muted);font-size:11px}.viewer-meta>span{display:flex;gap:6px;align-items:center}.viewer-meta svg{width:16px;height:16px}#viewer-document{padding:30px 27px;color:#493b2e;background:#e9dfcf;min-height:430px;white-space:pre-wrap;font-family:Georgia,serif;font-size:17px;line-height:1.9;overflow-wrap:anywhere}.document-heading{font-size:25px;line-height:1.3;font-weight:500;margin:0 0 23px}.document-stamp{border-bottom:1px solid #b9ac96;padding-bottom:17px;margin-bottom:20px;font-family:'Segoe UI',Arial,sans-serif;font-size:10px;letter-spacing:1px;color:#78634a}#image-dialog{border:1px solid #484d55;border-radius:12px;background:#111;padding:0;max-width:94vw;max-height:94dvh;color:#fff}#image-dialog::backdrop{background:#000c}#image-dialog img{display:block;max-width:92vw;max-height:89dvh;object-fit:contain}#image-close{position:absolute;right:10px;top:10px;z-index:2;color:#fff;background:#000a;border-radius:50%}
body[data-theme=light] .viewer-description p{color:var(--muted)}body[data-theme=light] .bubble.user{background:var(--soft);color:var(--ink)}body[data-theme=light] .header-profile{background:var(--soft);color:var(--ink)}body[data-theme=dark] .primary,body[data-theme=dark] .toast{color:#fff}.toast{left:calc(50% + var(--side-width)/2);background:var(--accent);color:#fff!important}.page-panel{padding:38px 34px}.section-intro h1{font-family:inherit}.knowledge-hero>svg,.knowledge-hero h2,.text-link{color:var(--ink)}.settings-card select{min-width:190px}.card input:focus,.card textarea:focus{outline-color:#bd5360}.alphabet-preview p{font-family:inherit}.settings-card p,.feature-grid p{font-size:12px}
@media(min-width:1750px){.media-card-title{font-size:17px}.media-card-body p{font-size:14px}.viewer-open .header-actions .sample-button{font-size:10px}}
@media(max-width:1350px){:root{--side-width:250px;--viewer-width:370px}.sidebar{padding:25px 17px 18px}.brand{font-size:35px}.topbar{padding:0 24px;height:92px}.chat-panel{padding:0 24px;height:calc(100dvh - 92px)}.viewer-open .header-actions .status{width:26px;height:26px;padding:0;justify-content:center}.viewer-open #status-text{display:none}.viewer-open .header-actions #theme-button{display:none}.viewer-open .header-profile{width:32px;height:32px}.media-cards{gap:9px}.media-card-body{padding:12px}.media-card-title{font-size:13px}.media-card-body p{font-size:11px}.audio-strip{gap:11px;padding:14px}.audio-strip strong{font-size:12px}.waveform{gap:2px}.viewer-head h2{font-size:16px}.viewer-description{padding:18px}.answer{font-size:16px}}
@media(max-width:1120px){.viewer-open main{margin-right:0}.media-viewer{width:min(440px,85vw);box-shadow:-20px 0 80px #0008;z-index:45}.viewer-open .header-actions .status{width:auto;height:auto;padding:6px 9px}.viewer-open #status-text{display:inline}.viewer-open .header-actions #theme-button{display:grid}.media-card-title{font-size:15px}.media-card-body p{font-size:12px}}
@media(max-width:820px){:root{--side-width:264px}.sidebar{width:264px}.brand{font-size:36px}main{margin-left:0}.topbar{height:76px;padding:0 20px}.chat-panel{height:calc(100dvh - 76px);padding:0 22px}.page-title>span:first-of-type{font-size:20px}.header-actions{gap:9px}.header-profile{width:32px;height:32px}.welcome h1{font-size:39px}.welcome{margin-top:25px}.toast{left:50%}.media-viewer{padding-top:12px}.suggestion{min-height:150px}.viewer-open .chat-panel{max-width:1140px}.conversation .remove-chat{opacity:1}}
@media(max-width:580px){.topbar{height:68px;padding:0 12px}.chat-panel{height:calc(100dvh - 68px);padding:0 16px}.page-title>span:first-of-type{font-size:18px}.header-actions{gap:5px}.header-actions #theme-button,.header-profile{display:none}.sample-button{font-size:10px}.status{width:23px!important;height:23px!important;padding:0!important;justify-content:center}#status-text{display:none!important}.welcome{margin-top:17px}.welcome h1{font-size:34px}.welcome>p{font-size:13px;margin-bottom:23px}.suggestions{grid-template-columns:1fr}.suggestion{min-height:0;display:grid;padding:14px}.suggestion strong{font-size:13px}.suggestion p{font-size:11px}.welcome-footer{font-size:9px}.bubble.user{padding:13px 16px;margin-bottom:28px}.bubble.user .answer,.answer{font-size:15px}.media-cards{grid-template-columns:1fr}.media-card{display:grid;grid-template-columns:110px 1fr;min-height:126px}.media-thumb{aspect-ratio:auto;height:100%;min-height:126px}.media-card-body{padding:15px 13px;align-self:center}.media-card-title{font-size:15px}.media-card-body p{font-size:12px}.document-thumb{padding:12px;gap:8px}.document-thumb>svg{width:37px;height:37px}.document-thumb>span{font-size:12px}.document-thumb>small{display:none}.panorama-symbol{font-size:19px;bottom:14px}.panorama-symbol:after{font-size:22px}.audio-strip{gap:10px;padding:13px}.audio-strip>button{width:36px;height:36px}.waveform{display:none}.audio-time{margin-left:auto}.input-row{gap:4px}.input-row>textarea{font-size:14px}.input-row>.icon-button{padding:6px}.input-row>.icon-button svg{width:20px;height:20px}.send-button{width:42px;height:42px}.composer{padding:9px 10px 8px;border-radius:27px}.composer-controls{padding:0 9px}.mode-control button{font-size:9px}.composer-note{font-size:8px}.composer-area{padding-bottom:14px}.viewer-head h2{font-size:16px}.viewer-description h3{font-size:18px}.viewer-description p{font-size:14px}#viewer-image{height:52dvh}.media-viewer{width:92vw}.page-panel{padding:27px 18px}}
.source-button{display:block;width:100%;border:0;background:transparent;text-align:left;color:var(--ink);font:inherit;border-radius:6px;padding:12px 7px}.source-button:hover{background:var(--soft)}.audio-strip>button:disabled{opacity:.65;cursor:not-allowed}

.composer-controls .send-controls{margin-left:auto}

/* Chat answer script preference; available on desktop and mobile. */
.script-toggle{display:flex;flex-shrink:0;gap:2px;padding:3px;border:1px solid var(--line);border-radius:9px}.script-toggle button{background:transparent;color:var(--muted);padding:5px 8px;border:0;border-radius:6px;font:inherit;font-size:12px;cursor:pointer}.script-toggle button[aria-pressed="true"]{background:var(--soft);color:var(--ink)}.script-toggle button:focus-visible{outline:2px solid var(--ink);outline-offset:2px}@media(max-width:580px){.script-toggle button{padding:5px 6px;font-size:11px}.header-actions .sample-button{max-width:60px;white-space:normal;font-size:9px}}

.citation{display:inline;padding:0 .22em;border:0;background:transparent;color:#9cc9ff;font:inherit;font-weight:600;cursor:pointer}.citation:hover,.citation:focus-visible{text-decoration:underline}.original-source{display:block;color:#9cc9ff;margin-bottom:1rem;overflow-wrap:anywhere}
.source-entry{border-bottom:1px solid var(--line);padding:16px 0}.source-entry p{white-space:pre-wrap;overflow-wrap:anywhere}.source-entry small{color:var(--muted)}.source-card{margin-top:16px}.settings-card input[role=switch]{width:22px;height:22px;accent-color:var(--accent);flex-shrink:0}
@media(min-width:821px) and (max-width:1120px){body.viewer-open main{margin-right:min(340px,35vw)}.media-viewer{width:min(340px,35vw);box-shadow:none}}

/* Keep iOS focus at scale 1; fit the chat into the keyboard-visible viewport. */
.input-row>textarea{flex:1 1 0;width:0;min-width:0;font-size:16px}
@media(max-width:820px){
 html,body{overflow-x:hidden}
 main{height:var(--chat-viewport-height,100dvh);min-height:0;overflow-y:auto}
 .chat-panel{height:calc(var(--chat-viewport-height,100dvh) - 76px);min-height:0}
 .input-row>textarea,.card input:not([type=file]),.card textarea{font-size:16px}
 .composer-area{padding-bottom:max(10px,env(safe-area-inset-bottom))}
 .composer,.input-row{min-width:0;max-width:100%}
}
@media(max-width:580px){.chat-panel{height:calc(var(--chat-viewport-height,100dvh) - 68px)}.input-row>textarea{font-size:16px}}
/* Source reader contrast on its light paper background. */
#viewer-document .original-source{color:#174d78;text-decoration:underline;text-underline-offset:3px}
#viewer-document .original-source:hover{color:#082c49}
#viewer-document .original-source:focus-visible{outline:2px solid #174d78;outline-offset:3px}
#viewer-document .source-metadata{display:block;color:#55483b;font-family:Arial,sans-serif;font-size:13px;line-height:1.6;margin-top:8px;white-space:normal}
.project-about{margin-top:24px;text-align:left;max-width:720px;line-height:1.65;color:var(--muted)}
.project-about summary{cursor:pointer;color:var(--text);padding:10px 0;font-weight:600}
.project-about p{font-size:15px;max-width:none;margin:14px 0}