:root{--bg:#17181b;--surface:#202124;--sidebar:#101114;--line:rgba(255,255,255,.09);--text:#f2f3f5;--muted:#9a9ca3;--accent:#71e7ff;--green:#71f0b6;--vh:100vh}@supports(height:100dvh){:root{--vh:100dvh}}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden}body{font-family:"IBM Plex Sans Thai",system-ui,sans-serif;background:var(--bg);color:var(--text)}button,textarea{font:inherit}.mobile-only{display:none}.sidebar{position:fixed;inset:0 auto 0 0;width:276px;background:var(--sidebar);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:12px;z-index:20;transition:transform .25s ease}.side-top{height:48px;display:flex;align-items:center;gap:8px}.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;min-width:0;flex:1}.brand-emblem{width:31px;height:31px;border-radius:9px;background:#0d282f;display:grid;place-items:center;overflow:hidden}.brand-emblem img{width:27px;height:27px;object-fit:contain}.brand b{font:600 13px "Space Grotesk";letter-spacing:.08em}.icon-btn{border:0;background:transparent;color:#b7bac1;width:36px;height:36px;border-radius:9px;cursor:pointer;font-size:20px}.icon-btn:hover{background:rgba(255,255,255,.08)}.new-chat{height:43px;border:1px solid var(--line);border-radius:10px;background:#1b1c20;color:#f5f6f8;padding:0 12px;display:flex;align-items:center;gap:10px;cursor:pointer;text-align:left}.new-chat:hover{background:#25262b}.new-chat span{font-size:20px}.new-chat b{font-size:14px;font-weight:500;flex:1}.new-chat kbd{font:400 10px "Space Grotesk";color:#777a82}.history-label{font:500 10px "Space Grotesk";letter-spacing:.13em;color:#62656d;margin:24px 10px 8px}.chat-history{overflow:auto;flex:1}.history-item{width:100%;display:flex;align-items:center;gap:9px;border:0;background:transparent;color:#bec0c6;padding:10px;border-radius:8px;cursor:pointer;text-align:left;font-size:13px}.history-item:hover,.history-item.active{background:#222327;color:#fff}.history-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-item i{font-style:normal;color:#666;margin-left:auto}.side-bottom{border-top:1px solid var(--line);padding-top:8px}.side-action{width:100%;border:0;background:transparent;color:#c4c6cc;display:flex;align-items:center;gap:11px;padding:9px;border-radius:9px;text-align:left;cursor:pointer}.side-action:hover{background:#202125}.side-action>span{width:28px;height:28px;border:1px solid var(--line);border-radius:8px;display:grid;place-items:center;color:var(--accent)}.side-action div{display:grid}.side-action b{font-size:13px;font-weight:500}.side-action small{font-size:10px;color:#6f7279}.account{display:flex;align-items:center;gap:10px;padding:12px 9px 4px}.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(145deg,#0a9cb5,#75eaff);color:#041014;display:grid;place-items:center;font:600 13px "Space Grotesk"}.account div:nth-child(2){display:grid;flex:1}.account b{font-size:12px}.account small{font-size:10px;color:#767981}.online,.live-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--green)}.app{margin-left:276px;width:calc(100% - 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32px));border:1px solid var(--line);border-radius:18px;background:#202125;color:#f1f2f4;padding:28px;box-shadow:0 25px 80px #000}.modal::backdrop{background:rgba(0,0,0,.7);backdrop-filter:blur(4px)}.modal-close{position:absolute;right:16px;top:14px;border:0;background:transparent;color:#999;font-size:24px;cursor:pointer}.modal-kicker{font:500 9px "Space Grotesk";letter-spacing:.18em;color:var(--accent)}.modal h2{font-weight:400;margin:10px 0 20px}.memory-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.memory-grid article,.setting-value{border:1px solid var(--line);background:#18191c;border-radius:12px;padding:14px}.memory-grid b{font:500 11px "Space Grotesk";color:#9cefff;text-transform:uppercase}.memory-grid p{font-size:13px;line-height:1.65;color:#aeb1b8;margin:7px 0 0}.small-modal{max-width:480px}.small-modal label{display:block;font-size:11px;color:#7f8289;margin:12px 0}.setting-value{color:#d7d8dc;font-size:13px;margin-top:6px}.setting-value span{float:right;color:var(--green);font:500 9px "Space Grotesk"}.backdrop{display:none}@keyframes dots{to{background-position:21px 0}}
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@media(max-height:650px) and (min-width:761px){.welcome{margin-top:30px}.ai-mark{width:50px;height:50px}.ai-mark img{width:44px;height:44px}.welcome>p{margin-top:12px}.welcome h1{margin-bottom:18px}.suggestions button{min-height:68px}}

/* SUNNY daylight theme */
:root{--bg:#fff;--surface:#fff;--sidebar:#f7f7f8;--line:rgba(15,23,42,.1);--text:#15171a;--muted:#6b7280;--accent:#008ba3;--green:#10a36f}
body{background:#fff;color:var(--text)}.sidebar{background:#f7f7f8;border-color:#e8e8ea}.brand{color:#17191d}.brand-emblem,.ai-mark{background:#e9f9fc}.icon-btn{color:#60636a}.icon-btn:hover,.side-action:hover{background:#ececef}.new-chat{background:#fff;color:#1b1d21;border-color:#dedfe2}.new-chat:hover{background:#f1f2f3}.new-chat kbd,.history-label{color:#8b8e95}.history-item{color:#4f5259}.history-item:hover,.history-item.active{background:#e8e8ea;color:#111317}.side-action{color:#35383e}.side-action>span{background:#fff}.side-action small,.account small{color:#7d8087}.avatar{color:#fff}.app{background:radial-gradient(circle at 50% -10%,rgba(113,231,255,.13),transparent 32%),#fff}.model-select{color:#1c1e22}.model-select:hover{background:#f0f1f2}.top-actions small{color:#73767d}.share-btn{background:#fff;color:#35383e;border-color:#dcdde0}.welcome>p{color:#74777e}.welcome h1{color:#181a1e}.suggestions button{background:#fff;color:#202226;border-color:#dedfe2;box-shadow:0 2px 8px rgba(15,23,42,.03)}.suggestions button:hover{background:#f7f8f9;border-color:#c7c9ce}.suggestions span{color:#74777e}.message-content{color:#292c31}.message.user .message-avatar{background:#e4e5e7;color:#25272b}.message-head span,.message-tools button{color:#8a8d94}.message-tools button:hover{background:#f0f1f2;color:#33363b}.composer-wrap{background:linear-gradient(transparent,#fff 23%,#fff 100%)}.composer{background:#fff;border-color:#d7d9dd;box-shadow:0 5px 24px rgba(15,23,42,.09)}.composer:focus-within{border-color:#aeb2b8}textarea{color:#1b1d21}textarea::placeholder{color:#8b8e95}.tool-btn,.voice-btn{color:#5f6269}.tool-btn:hover,.voice-btn:hover{background:#f0f1f2}.tool-pill{color:#62656c;border-color:#d7d9dd}.send{background:#17191d;color:#fff}.disclaimer{color:#83868d}.modal{background:#fff;color:#1c1e22;border-color:#d9dade;box-shadow:0 25px 80px rgba(15,23,42,.2)}.modal::backdrop{background:rgba(15,23,42,.35)}.modal-close{color:#6f7279}.memory-grid article,.setting-value{background:#f7f8f9;border-color:#dedfe2}.memory-grid p{color:#555960}.setting-value{color:#35383e}.backdrop.show{background:rgba(15,23,42,.3)}

/* Unified platform typography and controls */
body,button,textarea,input,select{font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans Thai","Helvetica Neue",Arial,sans-serif;font-variant-ligatures:common-ligatures;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.brand b,.model-select,.new-chat kbd,.history-label,.modal-kicker,.memory-grid b,.setting-value span,.account b,.top-actions small{font-family:inherit}.brand b{font-size:13px;font-weight:600;letter-spacing:.02em}.model-select{font-size:15px;font-weight:600}.history-label{font-size:11px;letter-spacing:.08em}.history-item,.side-action b,.account b{font-size:14px}.side-action small,.account small{font-size:11px}.welcome>p{font-family:inherit;font-size:11px;font-weight:600;letter-spacing:.1em}.welcome h1{font-weight:500;line-height:1.2}.suggestions b{font-size:14px;font-weight:600}.suggestions span{font-size:13px;line-height:1.45}.message-head b{font-size:14px}.message-head span{font-size:11px}.message-content{font-size:16px;line-height:1.7}.composer{border-radius:24px;padding:12px 14px 10px}textarea{font-size:16px;line-height:1.5}.tool-pill{font-size:12px}.modal h2{font-size:24px;font-weight:600}.memory-grid b{font-size:12px;letter-spacing:.03em}.memory-grid p,.setting-value{font-size:14px}.sidebar,.chat,.modal{scrollbar-width:thin;scrollbar-color:#d4d5d8 transparent}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:#d4d5d8;border-radius:10px;border:2px solid transparent;background-clip:padding-box}button:focus-visible,textarea:focus-visible{outline:2px solid #0aa2bb;outline-offset:2px}.history-item,.side-action,.suggestions button,.share-btn,.model-select,.new-chat{transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease}.modal{max-height:min(760px,calc(100dvh - 32px));overflow:auto}
@media(max-width:760px){.message-content,textarea{font-size:16px}.welcome h1{font-size:28px}.sidebar{font-size:16px}.composer{border-radius:22px}.modal h2{font-size:22px}}

/* Chat app type scale: consistent across every surface */
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