:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#202531;background:#fff;font-size:16px;--blue:#2454e5;--muted:#747b89;--line:#e9ebef;--sidebar:#f5f6f8}*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}button,a{-webkit-touch-callout:none}button{color:inherit}a{color:var(--blue)}[hidden]{display:none!important}button:focus-visible,a:focus-visible{outline:3px solid #87a5ff;outline-offset:3px}input:focus,textarea:focus,select:focus{outline:2px solid #97b0ff;outline-offset:2px}.muted{color:var(--muted)}.eyebrow{color:var(--blue);font-size:.75rem;letter-spacing:.15em;font-weight:700}.brand-symbol{background:var(--blue);color:white;width:52px;height:52px;display:grid;place-items:center;border-radius:15px;font-size:2rem;font-weight:750}.brand-symbol.small{width:32px;height:32px;border-radius:10px;font-size:1.25rem}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:#202531;font-weight:700;font-size:1.14rem}.login-screen{min-height:100dvh;display:grid;place-items:center;background:radial-gradient(ellipse at 80% 10%,#eaf0ff,transparent 50%),#f7f8fa;padding:24px}.login-card{width:100%;max-width:430px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:0 16px 64px #14214d08}.login-card h1{font-size:1.75rem;letter-spacing:-.03em;margin:24px 0 12px}.login-card label{display:block;margin:32px 0 10px;font-size:.875rem}.login-card input{width:100%;border:1px solid #d8dce5;border-radius:10px;padding:13px 14px}.primary{display:flex;align-items:center;justify-content:center;gap:25px;background:var(--blue);border:0;border-radius:10px;padding:13px 20px;color:white;font-size:.9375rem;font-weight:600}.primary:hover{background:#1944c8}.login-card .primary{width:100%;margin-top:18px}.login-foot{margin-top:30px;color:var(--muted);font-size:.75rem;line-height:1.7}.error{color:#bd3345;font-size:.875rem;line-height:1.6}.app{height:100dvh;display:flex;overflow:hidden}.sidebar{width:264px;flex-shrink:0;background:var(--sidebar);padding:30px 20px 18px;border-right:1px solid var(--line);display:flex;flex-direction:column}.new-chat{border:1px solid #dce0e8;background:white;border-radius:10px;display:flex;align-items:center;gap:10px;text-align:left;padding:11px 14px;margin:33px 0 22px;font-size:.9375rem}.new-chat span{font-size:1.2rem}.navigation{display:grid;gap:5px}.nav-button{display:flex;gap:12px;align-items:center;border:0;background:transparent;text-align:left;border-radius:9px;padding:11px 13px;font-size:.9375rem;color:#656e7c}.nav-button.active{background:#e7ecfc;color:#2454cc;font-weight:600}.nav-button:hover{background:#e9edf4}.nav-button span{font-size:1.3rem;width:18px;text-align:center}.history-heading{font-size:.75rem;color:#8c929e;margin:32px 12px 12px}.history{overflow:auto;flex:1;min-height:0}.history-item{display:block;width:100%;border:0;border-radius:8px;background:transparent;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;padding:11px 12px;font-size:.875rem;color:#677181}.history-item:hover,.history-item.selected{background:#e9ecf1;color:#28354b}.history-empty{padding:6px 12px;font-size:.8125rem;color:#9299a5}.sidebar-bottom{border-top:1px solid #e4e7ed;padding:12px 10px 0}.usage{font-size:.75rem;color:#7b8494;line-height:1.8}.logout{display:flex;justify-content:space-between;width:100%;background:none;border:0;padding:8px 0;text-align:left;font-size:.875rem;color:#536073}.workspace{flex:1;min-width:0;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:15px;justify-content:space-between;height:78px;flex-shrink:0;border-bottom:1px solid var(--line);padding:0 36px}.topbar-name{display:flex;gap:16px;font-size:.875rem;align-items:center}.divider{color:#d5d9e0}.model-label select{font-size:.875rem;border:1px solid var(--line);border-radius:8px;padding:8px 10px;max-width:220px;background:#fff}.menu{display:none}.chat-workspace{flex:1;min-height:0;display:flex;flex-direction:column}.messages{flex:1;overflow-y:auto;min-height:0;padding:35px max(24px,calc((100% - 790px)/2));scroll-behavior:smooth}.welcome{padding:clamp(35px,9vh,110px) 0 35px}.welcome h1{font-weight:650;font-size:clamp(1.8rem,3vw,2.55rem);letter-spacing:-.055em;line-height:1.5;margin:15px 0 9px}.welcome>p:not(.eyebrow){color:#8a919d;font-size:.9375rem}.starters{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}.starters button{display:flex;align-items:center;justify-content:space-between;gap:20px;min-width:190px;flex:1;background:#fafbfc;border:1px solid var(--line);border-radius:12px;padding:19px 16px;text-align:left;font-size:.875rem}.starters button:hover{border-color:#b4c5ff;background:#f4f7ff}.starters span{color:#9ca7ba}.composer-area{padding:18px max(24px,calc((100% - 790px)/2)) 16px}.composer{border:1px solid #dfe3ec;box-shadow:0 4px 18px #27355a06;border-radius:18px;padding:16px 18px 12px;background:white}.composer:focus-within{border-color:#b1c1ee}.composer textarea{display:block;resize:none;border:0;outline:none!important;width:100%;line-height:1.65;padding:0;min-height:30px;max-height:200px;background:transparent;color:#242b3a}.composer textarea::placeholder{color:#969fac}.composer-bottom{display:flex;align-items:center;gap:14px;margin-top:15px}.attach-button{display:inline-flex;align-items:center;gap:6px;cursor:pointer;color:#667388;font-size:.875rem;padding:5px 0;white-space:nowrap}.attach-button>span:first-child{font-size:1.2rem}.composer-hint{color:#a1a7b2;font-size:.75rem;flex:1}.send-button{margin-left:auto;border:0;border-radius:10px;background:var(--blue);color:#fff;width:36px;height:36px;font-size:1.5rem;line-height:1}.stop-button{margin-left:auto;border:1px solid #d6dce6;border-radius:8px;background:#fff;padding:7px 10px;font-size:.875rem}.fineprint{color:#939aaa;font-size:.75rem;text-align:center;line-height:1.6;margin:12px 0 0}.fineprint.left{text-align:left}.message{margin-bottom:30px;line-height:1.8;font-size:1rem;overflow-wrap:anywhere}.message.user{margin-left:auto;background:#f0f3fa;border-radius:16px 16px 3px 16px;padding:12px 18px;max-width:88%;width:fit-content;white-space:pre-wrap}.message-head{font-size:.75rem;letter-spacing:.06em;font-weight:700;color:#7e899d;margin-bottom:12px;display:flex;gap:12px;align-items:center}.message-head .copy{margin-left:auto;border:0;background:none;color:#8a93a2;font-size:.75rem}.message p{margin:0 0 12px}.message pre{white-space:pre;overflow:auto;padding:18px;border-radius:10px;background:#f4f6f9;border:1px solid var(--line);font-size:.875rem;line-height:1.6}.message code{font-family:Consolas,monospace;font-size:.9em;background:#f0f3f7;border-radius:4px;padding:2px 4px}.message pre code{padding:0;background:transparent}.message h2,.message h3,.message h4{font-size:1.125rem;margin:16px 0 8px}.message ul,.message ol{padding-left:24px}.message img{display:block;max-width:100%;max-height:320px;object-fit:contain;border-radius:12px;margin-top:10px}.message .error{background:#fff4f4;border-radius:8px;padding:10px 12px;margin-top:12px}.attachment{display:flex;align-items:center;gap:10px;background:#f6f8fb;border:1px solid var(--line);padding:8px;border-radius:10px;margin-bottom:14px;width:fit-content;max-width:100%}.attachment img{width:44px;height:44px;object-fit:cover;border-radius:6px}.attachment span{font-size:.8125rem;color:#738097;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment button{background:none;border:0;font-size:1.25rem;color:#7e8998}.image-workspace{flex:1;min-height:0;overflow:auto;padding:38px max(24px,calc((100% - 940px)/2)) 50px}.image-intro h1{font-size:2rem;letter-spacing:-.04em;margin:10px 0}.image-intro>p{font-size:.9375rem}.image-form{margin-top:28px;border:1px solid var(--line);padding:25px;border-radius:16px}.image-form>label{font-size:.875rem;display:block;margin-bottom:10px}.image-form textarea{width:100%;padding:12px 14px;resize:vertical;border:1px solid #e1e5ec;border-radius:9px;line-height:1.7;min-height:110px}.image-options{display:grid;grid-template-columns:1.5fr 1fr .7fr;gap:16px;margin:18px 0}.image-options label{font-size:.8125rem;color:#6e7b90}.image-options select{display:block;margin-top:8px;width:100%;border:1px solid #e1e5ec;border-radius:8px;padding:10px 8px;background:#fff;font-size:.875rem;color:#313e53}.image-actions{display:flex;justify-content:space-between;align-items:center}.gallery-heading{font-size:1rem;font-weight:600;margin:32px 0 18px}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.gallery-card{border:1px solid var(--line);border-radius:14px;overflow:hidden}.gallery-card>img{width:100%;aspect-ratio:1;object-fit:contain;display:block;background:#f4f6f9}.gallery-caption{padding:14px;font-size:.875rem}.gallery-caption p{margin:0 0 12px;line-height:1.6;white-space:pre-wrap}.gallery-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:#8c95a3;font-size:.75rem}.gallery-meta a{font-size:.875rem;text-decoration:none}.image-progress{display:flex;align-items:center;gap:12px;padding:22px;background:#f4f7ff;border:1px solid #e0e8ff;border-radius:10px;color:#5870a2;margin-top:20px;font-size:.875rem}.spinner{width:18px;height:18px;border:2px solid #cbd7ff;border-top-color:var(--blue);border-radius:100%;animation:spin 1s linear infinite}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#283248;color:white;padding:13px 22px;border-radius:10px;font-size:.875rem;box-shadow:0 8px 24px #202a4922;max-width:min(90vw,600px);z-index:30;line-height:1.6}.loading{min-height:100dvh;display:grid;place-items:center;color:var(--muted);font-size:.875rem}.icon-button{border:0;background:none;font-size:1.2rem;padding:8px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.shade{position:fixed;inset:0;background:#15223955;border:0;z-index:10}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1000px){.sidebar{width:225px;padding:25px 14px}.topbar{padding:0 24px}.starters{gap:8px}.starters button{min-width:170px}.composer-hint{display:none}}@media(max-width:720px){.sidebar{position:fixed;left:-280px;top:0;bottom:0;width:260px;z-index:20;transition:left .2s}.sidebar.open{left:0}.menu{display:block}.topbar{height:66px;padding:0 14px;gap:8px}.topbar-name{margin-right:auto;gap:8px}.topbar-name .muted,.topbar-name .divider{display:none}.model-label select{max-width:180px;font-size:.8125rem}.messages{padding:24px 20px}.welcome{padding-top:8vh}.welcome h1{font-size:1.8rem}.starters{margin-top:26px;display:grid;grid-template-columns:1fr}.starters button{padding:13px 15px}.composer-area{padding:12px 14px 12px}.composer{padding:14px 14px 10px;border-radius:15px}.fineprint{font-size:.75rem}.message.user{max-width:94%}.image-workspace{padding:25px 20px}.image-intro h1{font-size:1.7rem}.image-form{padding:18px}.image-options{grid-template-columns:1fr 1fr;gap:12px}.image-options>label:first-child{grid-column:1/-1}.gallery{grid-template-columns:1fr}.login-card{padding:30px}.image-progress{align-items:flex-start}.image-progress .spinner{flex-shrink:0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}.spinner{animation:none}}
#setup-form input{display:block;width:100%;border:1px solid #d8dce5;border-radius:10px;padding:13px 14px;margin-bottom:18px}
.composer-caption{color:#7b8799;font-size:.75rem;margin:0 0 10px}.picture-settings{border-top:1px solid #edf0f5;padding:10px 0;margin-bottom:6px;max-height:32vh;overflow:auto}.picture-settings summary{font-size:.8125rem;color:#526985;cursor:pointer}.picture-settings .image-options{margin:12px 0}.picture-settings .quality-help{margin-bottom:4px}.chat-picture{margin:14px 0 20px;max-width:620px}.chat-picture>img{display:block;width:100%;max-height:540px;object-fit:contain;background:#f5f7fa;border:1px solid #e3e7ee;border-radius:14px}.chat-picture figcaption{display:flex;gap:14px;align-items:center;font-size:.75rem;color:#6e7e94;margin-top:10px;flex-wrap:wrap}.chat-picture figcaption span{margin-right:auto}.chat-picture button,.gallery-meta button{border:1px solid #dce4f1;background:#f4f7fc;color:#315fa7;border-radius:7px;padding:7px 10px;font-size:.8125rem}.chat-picture a{font-size:.8125rem}.message-progress{font-size:.875rem;color:#617494}.gallery-dialog{width:min(920px,94vw);max-height:88dvh;border:1px solid #dfe5ef;border-radius:18px;padding:24px;box-shadow:0 20px 90px #1b294840}.gallery-dialog::backdrop{background:#17243a66}.gallery-dialog header{display:flex;align-items:center;justify-content:space-between}.gallery-dialog h2{margin:0;font-size:1.25rem}.gallery-dialog header button{border:0;background:#f1f4f8;border-radius:8px;font-size:1.5rem;width:36px;height:36px}.gallery-meta{flex-wrap:wrap}.gallery-dialog .gallery{margin-top:22px}.composer textarea{min-height:44px}@media(max-width:720px){.chat-picture figcaption span{width:100%}.chat-picture>img{max-height:350px}.gallery-dialog{padding:18px}.picture-settings .image-options{grid-template-columns:1fr 1fr}.picture-settings .image-options>label:first-child,.picture-settings .image-options>label:last-child{grid-column:1/-1}.composer-caption{font-size:.6875rem}.picture-settings summary{font-size:.75rem}}
#image-workspace{display:flex;flex-direction:column;overflow:hidden;padding:0}.image-results{flex:1;min-height:0;overflow:auto;padding:18px max(24px,calc((100% - 940px)/2))}.image-results .image-intro h1{font-size:1.4rem}.image-results .image-intro .eyebrow{display:none}#image-workspace .image-composer-area{flex-shrink:0;margin:0;padding:12px max(24px,calc((100% - 940px)/2)) 16px;max-height:65%;overflow:auto}#image-workspace .image-composer{padding:16px}#image-workspace .image-composer textarea{min-height:64px;height:70px}#image-workspace .image-options{margin:10px 0}#image-workspace .composer-modes{margin-bottom:8px}#image-workspace .quality-help{margin-bottom:10px}#image-workspace .fineprint{margin-bottom:0}@media(max-width:720px){.image-results{padding:12px 14px}#image-workspace .image-composer-area{padding:8px 14px 12px;max-height:72%}}
.composer-modes{display:flex;gap:6px;margin-bottom:12px}.composer-modes button{border:0;border-radius:8px;padding:7px 12px;background:transparent;font-size:.875rem;color:#697488}.composer-modes button.selected{background:#edf2ff;color:#2454e5;font-weight:600}.composer-controls{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0}.composer-controls label{font-size:.75rem;color:#677489;display:flex;align-items:center;gap:8px}.composer-controls select{max-width:220px;background:#f6f8fc;border:1px solid #e2e7ef;border-radius:8px;padding:8px;color:#26344d;font-size:.8125rem}.quality-help{font-size:.8125rem;line-height:1.6;color:#52647e;background:#f4f7fc;padding:10px 12px;border-radius:8px;margin:0 0 16px}.image-options{grid-template-columns:1.4fr 1fr 1.2fr}.image-composer-area{margin-top:24px}.image-composer{margin-top:0;background:#fff;border-color:#d6dfef;box-shadow:0 6px 24px #14214d08}.image-workspace .gallery-card>img{max-height:360px}.image-workspace .gallery-heading{margin-top:24px}.image-form.image-composer textarea{border:0;padding:10px 0;min-height:100px}.image-composer .composer-modes{margin-bottom:18px}@media(max-width:720px){.composer-controls{display:grid;grid-template-columns:1fr 1fr;gap:8px}.composer-controls label{display:block;min-width:0}.composer-controls select{margin-top:6px;width:100%;max-width:100%;font-size:.75rem;padding:8px 4px}.image-options{grid-template-columns:1fr 1fr}.image-options>label:first-child,.image-options>label:last-child{grid-column:1/-1}.image-workspace{padding:20px 14px}.image-composer{padding:16px}.image-actions{gap:10px}.image-actions .primary{padding:12px 14px}.image-options select{font-size:.8125rem}.image-workspace .gallery-card>img{max-height:250px}}

/* Compact composer: settings open above the input, without moving the conversation. */
.composer-area{padding-top:10px;padding-bottom:20px}.composer{position:relative;border-radius:24px;padding:14px 14px 10px;border-color:#e2e3e7;box-shadow:0 2px 10px #00000005}.composer:focus-within{border-color:#c9cbd2}.composer textarea{min-height:28px;max-height:144px;padding:0 5px;line-height:1.65;font-size:15px}.composer-bottom{gap:8px;margin-top:8px}.attach-button{display:flex;align-items:center;justify-content:center;width:34px;height:34px;padding:0;border-radius:50%;color:#555}.attach-button:hover{background:#f2f3f5}.attach-button>span:first-child{font-size:26px;font-weight:300}.send-button{width:34px;height:34px;border-radius:50%;background:#222;font-size:22px}.send-button:hover{background:#444}.composer-settings{position:static}.composer-settings>summary{list-style:none;cursor:pointer;border-radius:18px;padding:7px 10px;font-size:13px;color:#62646d;user-select:none}.composer-settings>summary::-webkit-details-marker{display:none}.composer-settings>summary:hover,.composer-settings[open]>summary{background:#f1f2f4;color:#222}.settings-panel{position:absolute;bottom:calc(100% + 10px);left:8px;width:min(430px,calc(100% - 16px));max-height:min(520px,65dvh);overflow:auto;background:white;border:1px solid #e5e6e9;border-radius:18px;box-shadow:0 12px 40px #00000016;padding:18px;z-index:25}.settings-heading{font-size:14px;font-weight:650;color:#292b30;margin-bottom:16px}.settings-panel .composer-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 16px}.settings-panel .composer-controls label{display:block;font-size:12px;color:#777}.settings-panel select{display:block;width:100%;max-width:100%;margin-top:7px;background:#f7f7f8;border:1px solid #e8e8eb;padding:9px 8px;border-radius:9px;font-size:13px;color:#34363d}.settings-panel .picture-settings{max-height:none;overflow:visible;border-top:1px solid #eee;padding:14px 0 0;margin:0}.settings-section{font-size:12px;color:#777;line-height:1.5}.settings-panel .image-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 0}.settings-panel .image-options>label:first-child{grid-column:1/-1}.settings-panel .image-options>label:last-child{grid-column:auto}.settings-panel .image-options label{font-size:12px;color:#777}.settings-panel .quality-help{background:none;padding:0;margin:8px 0 0;font-size:11px;color:#999;line-height:1.65}.attachment{margin-bottom:10px}.messages{scroll-behavior:auto}@media(max-width:720px){.composer-area{padding:8px 12px 12px}.composer{padding:12px 12px 8px;border-radius:22px}.settings-panel{padding:16px;max-height:60dvh}.composer textarea{font-size:16px}.settings-panel .composer-controls{grid-template-columns:1fr 1fr}.settings-panel .image-options>label:last-child{grid-column:auto}}