:root{color-scheme:light;--bg:#fff;--panel:#f6f8fc;--soft:#eef2f8;--line:#e5eaf2;--text:#18243b;--muted:#728099;--blue:#3268f2;--blue-dark:#2454d1;--bubble:#edf3ff;--shadow:0 16px 60px #12295612;--sidebar-w:276px;font-family:Inter,"Segoe UI",system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}
:root[data-theme=dark]{color-scheme:dark;--bg:#111827;--panel:#172133;--soft:#202c41;--line:#2b3850;--text:#e9eef8;--muted:#a0adc4;--blue:#7da5ff;--blue-dark:#9bb9ff;--bubble:#233653;--shadow:0 16px 60px #0004}
*{box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}body{margin:0;min-width:320px}button,input,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a{color:var(--blue)}img{display:block;max-width:100%}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid #86acff;outline-offset:3px}button{transition:background .16s,box-shadow .16s,transform .16s}button:active:not(:disabled){transform:translateY(1px)}[hidden]{display:none!important}.stage,.stage.is-pc-preview,.stage.is-mobile-preview,body.live-site .stage{height:var(--app-height,100dvh);width:100%;padding:0;background:var(--bg);display:block}.preview-controls{display:none}.app,.stage.is-pc-preview .app,.stage.is-mobile-preview .app,body.live-site .app{position:relative;width:100%;height:100%;display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);overflow:hidden;background:var(--bg);border:0;border-radius:0;box-shadow:none}
.sidebar{position:relative;z-index:30;display:flex;flex-direction:column;min-height:0;padding:26px 17px 16px;background:var(--panel);border-right:1px solid var(--line)}.sidebar-top{display:flex;align-items:center;justify-content:space-between;padding:0 10px 28px}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;color:var(--text);font-size:23px;letter-spacing:-1px;font-weight:750}.brand img{border-radius:12px;width:38px;height:38px}.brand small{display:block;font-size:8px;letter-spacing:1.4px;font-weight:700;color:var(--muted);margin-top:4px}.icon-btn{display:grid;place-items:center;flex-shrink:0;width:40px;height:40px;border:0;border-radius:12px;background:transparent;color:var(--muted)}.icon-btn svg{width:20px;height:20px}.icon-btn:hover{background:var(--soft);color:var(--text)}.sidebar-close,.menu-btn{display:none}.new-chat{display:flex;align-items:center;justify-content:center;gap:9px;min-height:46px;width:100%;border:0;border-radius:13px;background:#3268f2;color:#fff;font-weight:650;font-size:14px;box-shadow:0 5px 14px #3268f226}.new-chat:hover{background:#2454d1;box-shadow:0 7px 20px #3268f236}.new-chat svg{width:18px;height:18px}.search{display:flex;align-items:center;gap:9px;min-height:42px;margin:17px 0 26px;padding:0 11px;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--muted)}.search svg{width:17px;height:17px;flex-shrink:0}.search input{width:100%;min-width:0;outline:0;background:none;border:0;font-size:12px}.search:focus-within{border-color:var(--blue)}.list-label{display:flex;justify-content:space-between;gap:4px;margin:0 8px 12px;font-size:10px;letter-spacing:1.2px;font-weight:700;color:var(--muted)}.shortcut{font-size:9px;letter-spacing:0;font-weight:400}.conversation-list{min-height:0;flex:1;overflow-y:auto;scrollbar-width:thin}.conversation-row{display:flex;align-items:center;border-radius:11px;margin:3px 0}.conversation-row:has(.active){background:var(--bubble)}.conversation-item{display:flex;align-items:center;gap:8px;flex:1;min-width:0;min-height:43px;border:0;border-radius:11px;padding:10px 12px;background:transparent;color:var(--muted);font-size:12px;text-align:left}.conversation-item.active{color:var(--blue);font-weight:650;background:var(--bubble)}.conversation-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-row:hover{background:var(--soft)}.conversation-more{width:30px;height:34px;margin-right:3px;border:0;border-radius:8px;background:none;color:var(--muted);font-size:21px}.empty-search{padding:20px 12px;color:var(--muted);font-size:12px;line-height:1.7}.sidebar-foot{padding-top:16px;display:flex;flex-direction:column;gap:15px}.download-card{padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--bg)}.download-card p{font-size:9px;font-weight:700;letter-spacing:1.2px;margin:0 0 9px;color:var(--muted)}.download-link{display:block;text-decoration:none;font-size:12px;font-weight:650;color:var(--blue);padding:3px 0}.download-link::after{content:' ↗';float:right}.account-row{display:flex;align-items:center;gap:10px;min-height:48px;width:100%;text-align:left;border:0;border-top:1px solid var(--line);padding:14px 7px 0;background:none}.account-row img{border-radius:11px;width:31px;height:31px}.account-row span{min-width:0}.account-row strong{display:block;font-size:12px}.account-row small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.account-row::after{content:'⌘';margin-left:auto;color:var(--muted);font-size:18px}
.chat{position:relative;display:flex;flex-direction:column;min-width:0;min-height:0;height:100%;overflow:hidden;background:var(--bg)}.chat-bar{display:flex;align-items:center;gap:10px;flex-shrink:0;min-height:82px;padding:14px 32px;border-bottom:1px solid var(--line)}.model-menu{position:relative;min-width:0}.model-trigger{display:flex;align-items:center;gap:11px;max-width:100%;padding:5px 8px;border:0;border-radius:12px;background:none;text-align:left}.model-trigger:hover{background:var(--soft)}.model-trigger img{width:30px;height:30px;border-radius:9px}.model-trigger span{min-width:0}.model-trigger strong{display:block;font-size:14px;letter-spacing:-.2px}.model-trigger small{display:block;font-size:10px;margin-top:4px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}.model-trigger svg{width:16px;height:16px;margin-left:8px;color:var(--muted);flex-shrink:0}.bar-actions{display:flex;align-items:center;gap:6px;margin-left:auto}.wallet-chip{min-height:34px;padding:7px 12px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--muted);font-size:11px;font-weight:600}.wallet-chip:hover{background:var(--soft)}.live-pill{display:flex;align-items:center;gap:6px;margin-left:8px;color:#259b76;font-size:10px;font-weight:650;white-space:nowrap}.live-pill i{width:6px;height:6px;background:#28b58b;border-radius:50%;box-shadow:0 0 0 4px #28b58b12}.model-dropdown{position:absolute;z-index:45;top:calc(100% + 12px);left:0;width:min(360px,calc(100vw - 32px));padding:8px;border:1px solid var(--line);border-radius:17px;background:var(--bg);box-shadow:var(--shadow)}.model-option{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;width:100%;text-align:left;padding:13px 12px;border:0;border-radius:10px;background:none}.model-option:hover,.model-option.active{background:var(--soft)}.model-option strong{display:block;font-size:13px}.model-option small{display:block;color:var(--muted);font-size:10px;margin-top:5px}.model-option .tag{font-size:9px;font-weight:650;border-radius:6px;padding:5px 7px;background:var(--bubble);color:var(--blue)}
.thread{flex:1;min-height:0;overflow:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent}.welcome{max-width:790px;margin:clamp(28px,7vh,92px) auto 0;padding:0 28px 26px;text-align:center}.welcome-robot{display:grid;place-items:center;margin:0 auto 25px;width:68px;height:68px;animation:float 5s ease-in-out infinite}.welcome-logo{width:68px;height:68px;border-radius:19px;filter:drop-shadow(0 9px 14px #3268f224)}@keyframes float{50%{transform:translateY(-6px)}}.eyebrow{display:block;color:var(--blue);font-size:9px;font-weight:750;letter-spacing:2px;margin-bottom:14px}.welcome h1{font-size:clamp(32px,3.5vw,49px);font-weight:720;line-height:1.19;letter-spacing:-2px;margin:0 0 18px}.welcome h1 span{color:var(--blue)}.welcome>p{max-width:460px;font-size:13px;line-height:1.85;color:var(--muted);margin:0 auto 17px}.get-app{display:inline-flex;align-items:center;gap:8px;margin:0 auto 27px;color:var(--muted);font-size:11px;text-decoration:none;font-weight:600}.get-app::after{content:'↗';color:var(--blue)}.get-app:hover{color:var(--blue)}.prompt-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;text-align:left}.prompt-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-height:137px;text-align:left;padding:17px 14px;border:1px solid var(--line);border-radius:15px;background:var(--bg);box-shadow:0 3px 9px #18243b02}.prompt-card::before{content:'✦';display:grid;place-items:center;width:29px;height:29px;font-size:16px;border-radius:9px;background:#edf2ff;color:#547af2}.prompt-card:nth-child(2)::before{content:'↗';background:#fff1e9;color:#d78a4d}.prompt-card:nth-child(3)::before{content:'◎';background:#f2edff;color:#9772d9}.prompt-card:nth-child(4)::before{content:'⌘';background:#e9f7f2;color:#48a58c}.prompt-card:hover{transform:translateY(-3px);border-color:#acc2ff;box-shadow:0 10px 25px #3268f20c}.prompt-card strong{font-size:12px;font-weight:650}.prompt-card small{font-size:10px;line-height:1.6;color:var(--muted)}
.messages{width:min(100%,820px);margin:0 auto;display:flex;flex-direction:column;gap:31px;padding:34px 30px 36px}.messages:empty{display:none}.msg{display:flex;align-items:flex-start;gap:14px;min-width:0}.msg.user{justify-content:flex-end}.msg-avatar{flex:0 0 30px;width:30px;height:30px;border-radius:9px;overflow:hidden}.msg-body{min-width:0;max-width:calc(100% - 44px)}.msg.user .msg-body{padding:13px 18px;border-radius:18px 18px 5px 18px;background:var(--bubble);max-width:85%}.message-content{font-size:14px;line-height:1.85;overflow-wrap:anywhere;white-space:pre-wrap}.message-content p{white-space:pre-wrap;margin:0 0 10px}.message-content h3{font-size:17px;line-height:1.6;margin:18px 0 8px}.message-content pre{background:var(--panel);border:1px solid var(--line);padding:16px;border-radius:12px;overflow-x:auto;white-space:pre;font-size:12px;line-height:1.7;max-width:100%}.message-content code{font-family:Consolas,monospace;font-size:.9em;background:var(--soft);padding:2px 5px;border-radius:4px}.message-content pre code{padding:0;background:none}.msg-meta{display:flex;gap:6px;margin-top:10px}.msg-meta button{min-height:31px;padding:4px 8px;border:0;border-radius:7px;background:none;color:var(--muted);font-size:10px}.msg-meta button:hover{background:var(--soft);color:var(--blue)}.typing{display:flex;gap:5px;padding:13px 0}.typing i{height:6px;width:6px;background:var(--blue);border-radius:50%;animation:pulse .9s infinite alternate}.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}@keyframes pulse{to{opacity:.2;transform:translateY(-3px)}}
.composer-shell{flex-shrink:0;padding:12px 30px 17px;background:var(--bg);z-index:10}.composer,.composer-hint,.followups,.attachment-chip{max-width:760px;margin-inline:auto}.composer{display:flex;align-items:flex-end;gap:8px;padding:10px;border:1px solid #dce3ef;border-radius:20px;background:var(--bg);box-shadow:0 7px 28px #17305a07}.composer:focus-within{border-color:#94b2ff;box-shadow:0 0 0 3px #3268f20b}.composer textarea{flex:1;min-width:0;min-height:28px;max-height:160px;margin:8px 0 4px;padding:0;border:0;resize:none;outline:0;background:none;font-size:13px;line-height:1.7}.composer textarea::placeholder{color:#96a1b5}.attach-btn{width:36px;height:36px}.send-btn{flex-shrink:0;display:grid;place-items:center;width:38px;height:38px;border:0;border-radius:12px;background:#3268f2;color:white;box-shadow:0 4px 10px #3268f220}.send-btn:hover{background:#2454d1}.send-btn svg{width:19px;height:19px}.send-btn.is-stop svg{display:none}.send-btn.is-stop::after{content:'';width:12px;height:12px;border-radius:3px;background:#fff}.composer-hint{display:flex;justify-content:space-between;gap:8px;padding:9px 5px 0;font-size:9px;color:var(--muted)}#chatStatus::before{content:'●';margin-right:5px;color:#25ae86;font-size:7px}body.is-generating #chatStatus::before{color:var(--blue);animation:pulse .8s infinite alternate}.fineprint{max-width:760px;margin:9px auto 0;text-align:center;font-size:9px;line-height:1.6;color:var(--muted)}.followups{display:flex;gap:7px;margin-bottom:12px;overflow-x:auto;scrollbar-width:none}.followups button{flex-shrink:0;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--muted);padding:8px 12px;font-size:10px}.followups button:hover{color:var(--blue);border-color:var(--blue)}.scroll-bottom{position:absolute;bottom:165px;right:28px;width:35px;height:35px;z-index:15;background:var(--bg);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:50%;color:var(--text)}.attachment-chip{display:flex;align-items:center;gap:10px;padding:8px 12px;margin-bottom:10px;border:1px solid var(--line);border-radius:10px;font-size:11px;background:var(--panel)}.attachment-chip span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-chip button{margin-left:auto;border:0;background:none;color:var(--muted);font-size:19px}.sidebar-backdrop{position:absolute;inset:0;z-index:25;background:#0f1b3955;backdrop-filter:blur(3px)}
.overlay{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px;background:#0e1d3c66;backdrop-filter:blur(6px)}.sheet{width:min(430px,100%);max-height:calc(var(--app-height,100dvh) - 48px);overflow:auto;background:var(--bg);border:1px solid var(--line);padding:30px;border-radius:22px;box-shadow:0 25px 100px #0d1b3830}.sheet>img{margin-bottom:18px;border-radius:13px}.sheet h2{font-size:25px;letter-spacing:-.8px;margin:0 0 10px}.sheet-note,.form-error{font-size:12px;line-height:1.8;color:var(--muted)}.form-error{color:#d45f65}.sheet label{display:block;margin:15px 0;font-size:12px;font-weight:600}.sheet input{display:block;margin-top:8px;width:100%;min-height:45px;padding:10px 13px;border:1px solid var(--line);border-radius:10px;background:var(--panel);outline:0;font-weight:400}.sheet input:focus{border-color:var(--blue)}.auth-tabs{display:flex;gap:3px;padding:4px;margin:22px 0;border-radius:11px;background:var(--soft)}.auth-tabs button{flex:1;border:0;border-radius:8px;padding:10px;background:none;color:var(--muted);font-size:12px;font-weight:650}.auth-tabs .is-active{background:var(--bg);color:var(--blue);box-shadow:0 2px 5px #00000008}.sheet-submit{width:100%;min-height:44px;border:0;border-radius:11px;background:#3268f2;color:white;margin-top:12px;font-size:12px;font-weight:650}.sheet-ghost{width:100%;min-height:40px;margin-top:6px;border:0;border-radius:10px;background:none;color:var(--muted);font-size:12px}.sheet-ghost:hover{background:var(--soft)}.wallet-hero{padding:20px;border:1px solid var(--line);border-radius:15px;background:var(--panel);margin:20px 0}.wallet-hero strong{display:block;font-size:32px;margin:9px 0;letter-spacing:-1px}.wallet-hero span,.wallet-hero small,.usage-line{font-size:11px;color:var(--muted)}.switch-row{display:flex!important;align-items:center;justify-content:space-between;margin:23px 0!important;padding-top:18px;border-top:1px solid var(--line)}.switch-row button{border:0;border-radius:20px;padding:7px 15px;color:var(--blue);background:var(--bubble);font-size:11px}.account-actions{display:flex;gap:10px}.account-actions button{flex:1;min-height:42px;border:1px solid var(--line);border-radius:10px;background:var(--panel);font-size:12px}.danger-button{display:block;width:100%;min-height:41px;margin-top:10px;border:1px solid #e888882f;border-radius:10px;background:#d9474708;color:#c65e64;font-size:11px}.toast{position:fixed;left:50%;bottom:30px;transform:translateX(-50%);z-index:100;background:var(--text);color:var(--bg);padding:13px 20px;border-radius:12px;box-shadow:var(--shadow);font-size:12px;max-width:calc(100vw - 32px);text-align:center}.for-android{display:none}.is-ios .download-card,.is-ios .get-app{display:none!important}
@media(min-width:1600px){:root{--sidebar-w:294px}.sidebar{padding-inline:22px}.welcome{margin-top:11vh}.prompt-card{min-height:151px}.chat-bar{padding-inline:40px}.message-content{font-size:15px}}
@media(max-width:1100px){:root{--sidebar-w:245px}.sidebar{padding-inline:13px}.chat-bar{padding-inline:20px}.welcome{padding-inline:24px}.prompt-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:520px;margin:auto}.prompt-card{min-height:105px;gap:7px;padding:14px}.prompt-card::before{float:left}.welcome{margin-top:30px}.welcome h1{font-size:38px}.welcome-robot{width:52px;height:52px;margin-bottom:18px}.welcome-logo{width:52px;height:52px;border-radius:15px}.get-app{margin-bottom:20px}.live-pill{display:none}.shortcut{display:none}}
@media(max-width:820px){.app,.stage.is-pc-preview .app,.stage.is-mobile-preview .app,body.live-site .app{display:flex;flex-direction:column}.chat{flex:1}.sidebar{position:absolute;inset:0 auto 0 0;width:min(310px,86vw);transform:translateX(-105%);transition:transform .22s ease;padding-top:max(24px,env(safe-area-inset-top));padding-bottom:max(18px,env(safe-area-inset-bottom));box-shadow:15px 0 50px #0b1c3420}.sidebar.open{transform:translateX(0)}.sidebar-close,.menu-btn{display:grid}.chat-bar{min-height:69px;padding:10px 16px;gap:4px;padding-top:max(10px,env(safe-area-inset-top))}.model-trigger img{display:none}.model-trigger{gap:3px}.model-trigger strong{font-size:13px}.model-trigger small{max-width:160px;font-size:9px}.model-trigger svg{margin-left:4px}.bar-actions{gap:1px}.wallet-chip{display:none}.bar-actions .icon-btn{width:35px;height:35px}.welcome{max-width:580px;margin:clamp(22px,6vh,50px) auto 0;padding:0 24px 26px}.welcome h1{font-size:36px;letter-spacing:-1.5px}.welcome>p{font-size:12px;line-height:1.75;max-width:340px}.eyebrow{font-size:8px;letter-spacing:1.5px}.welcome-robot{width:56px;height:56px;margin-bottom:22px}.welcome-logo{width:56px;height:56px}.prompt-grid{gap:10px}.prompt-card{min-height:117px;padding:15px}.prompt-card strong{font-size:12px}.prompt-card small{font-size:10px}.messages{padding:24px 20px 28px;gap:28px}.message-content{font-size:14px;line-height:1.8}.msg{gap:10px}.msg-avatar{width:25px;height:25px;flex-basis:25px}.msg-body{max-width:calc(100% - 35px)}.msg.user .msg-body{max-width:92%;padding:11px 15px}.composer-shell{padding:9px 16px max(12px,env(safe-area-inset-bottom))}.composer{border-radius:17px;padding:7px;gap:4px}.composer textarea{font-size:16px;line-height:1.5;margin:6px 0;min-height:24px}.composer textarea::placeholder{font-size:13px}.send-btn{width:36px;height:36px;border-radius:11px}.attach-btn{width:33px;height:36px}.keyboard-hint{display:none}.composer-hint{padding-top:7px}.fineprint{font-size:8px;margin-top:7px;line-height:1.5}.followups{margin-bottom:9px}.followups button{padding:8px 10px;font-size:10px}.scroll-bottom{right:20px;bottom:160px}.sheet{padding:25px;max-height:calc(var(--app-height,100dvh) - 32px);border-radius:20px}.overlay{padding:16px}.sheet input{font-size:16px}.for-pc{display:none}.for-android{display:block}.get-app{font-size:10px}.model-dropdown{position:fixed;top:74px;left:16px;right:16px;width:auto;max-width:420px}.model-option{min-height:57px}.conversation-more{width:35px;min-height:40px}}
@media(max-width:380px){.chat-bar{padding-inline:8px}.welcome{padding-inline:18px;margin-top:20px}.welcome h1{font-size:31px}.welcome>p{font-size:11px}.prompt-card{padding:12px;min-height:113px}.prompt-card small{font-size:9px}.composer-shell{padding-inline:10px}.messages{padding-inline:14px}.bar-actions .icon-btn{width:31px}.model-trigger small{max-width:125px}}
@media(max-height:720px){.welcome{margin-top:22px}.welcome-robot{width:45px;height:45px;margin-bottom:14px}.welcome-logo{width:45px;height:45px}.welcome h1{font-size:32px}.welcome>p{margin-bottom:9px}.get-app{margin-bottom:15px}.prompt-card{min-height:101px;padding:12px}.welcome{padding-bottom:20px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
/* Readable controls at normal desktop zoom; touch targets stay generous. */
.search input,.conversation-item{font-size:13px}.model-trigger small{font-size:11px}.prompt-card strong{font-size:13px}.prompt-card small{font-size:12px}.account-row strong{font-size:13px}.account-row small{font-size:11px}.download-link{font-size:13px}.composer textarea{font-size:14px}.composer textarea::-webkit-scrollbar{width:0}.fineprint{font-size:10px}.message-content{white-space:normal}.msg.user .message-content{white-space:pre-wrap;max-height:300px;overflow:auto}.keyboard-hint,.composer-hint{font-size:10px}
@media(max-width:820px){.composer textarea{font-size:16px}.prompt-card small{font-size:11px}.fineprint{font-size:9px}.composer-hint{font-size:9px}}
@media(max-width:380px){.prompt-card strong{font-size:12px}.prompt-card small{font-size:10px}}
@media(min-width:821px) and (max-height:850px){.welcome{margin-top:24px;padding-bottom:20px}.welcome-robot{width:48px;height:48px;margin-bottom:16px}.welcome-logo{width:48px;height:48px;border-radius:14px}.welcome h1{font-size:38px;line-height:1.17;margin-bottom:13px}.welcome .eyebrow{margin-bottom:12px}.welcome>p{margin-bottom:12px;line-height:1.7}.get-app{margin-bottom:19px}.prompt-card{min-height:116px;padding:14px;gap:7px}}