:root{color-scheme:dark;--bg:#212121;--panel:#171717;--panel-2:#2b2b2b;--panel-3:#303030;--border:#ffffff18;--text:#ececec;--muted:#a1a1a1;--muted2:#737373;--accent:#10a37f;--accent-hover:#0d8f70;--danger:#e36b6b;--shadow:0 24px 80px #0008}
*{box-sizing:border-box}html,body{height:100%;margin:0}body{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:14px}button,input,textarea{font:inherit}button{color:inherit;cursor:pointer}.app-shell{height:100dvh;display:flex;overflow:hidden}.sidebar{width:260px;flex:0 0 260px;background:var(--panel);display:flex;flex-direction:column;padding:14px 12px 12px;transition:width .2s,flex-basis .2s;z-index:20}.sidebar-top{height:42px;display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding:0 4px}.brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:-.5px;color:var(--text);text-decoration:none}.brand-mark,.welcome-mark{display:grid;place-items:center;color:#d6fff2;background:linear-gradient(135deg,#12a982,#426a87);border-radius:11px;width:29px;height:29px;font-size:20px}.icon-btn{width:36px;height:36px;border:0;border-radius:9px;background:transparent;color:var(--muted);font-size:18px;display:grid;place-items:center}.icon-btn:hover,.side-action:hover,.tool-btn:hover{background:var(--panel-3);color:var(--text)}.collapse-btn{font-size:25px}.new-chat-btn{width:100%;height:42px;text-align:left;border:1px solid var(--border);background:transparent;border-radius:10px;padding:0 12px;display:flex;align-items:center;gap:10px;font-weight:500}.new-chat-btn:hover{background:var(--panel-2)}.plus{font-size:21px;font-weight:300}.new-chat-btn kbd{margin-left:auto;color:var(--muted2);font-size:10px;border:1px solid var(--border);border-radius:4px;padding:3px 5px}.search-wrap{height:39px;margin:12px 0 18px;padding:0 10px;border-radius:9px;background:#ffffff0a;display:flex;align-items:center;gap:8px;color:var(--muted);font-size:19px}.search-wrap input{border:0;outline:0;background:transparent;color:var(--text);width:100%;font-size:12px}.search-wrap input::placeholder{color:var(--muted2)}.history-label{font-size:11px;color:var(--muted2);padding:0 9px 7px}.chat-list{overflow-y:auto;flex:1;min-height:30px}.chat-item{display:flex;align-items:center;gap:7px;padding:10px 9px;border-radius:8px;color:#c9c9c9;cursor:pointer;min-width:0}.chat-item:hover,.chat-item.active{background:var(--panel-2);color:var(--text)}.chat-title{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1;font-size:12px}.chat-menu{border:0;background:transparent;color:var(--muted);font-size:17px;opacity:0;padding:0 3px}.chat-item:hover .chat-menu{opacity:1}.sidebar-bottom{border-top:1px solid var(--border);padding-top:10px}.side-action{height:39px;width:100%;border:0;background:transparent;border-radius:8px;display:flex;align-items:center;gap:12px;padding:0 9px;text-align:left;color:#d2d2d2}.side-icon{font-size:17px;width:18px;text-align:center}.user-row{display:flex;align-items:center;gap:9px;padding:12px 4px 2px}.avatar{width:31px;height:31px;border-radius:50%;background:#356859;display:grid;place-items:center;font-weight:700}.user-meta{display:flex;flex-direction:column;gap:3px;flex:1}.user-meta strong{font-size:12px}.user-meta small{font-size:10px;color:var(--muted2)}.small{width:28px;height:28px}.main-area{flex:1;min-width:0;display:flex;flex-direction:column;position:relative}.topbar{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 25px;flex:0 0 58px}.topbar-left,.topbar-right{display:flex;align-items:center;gap:10px}.model-button{font-size:16px;font-weight:600;border:0;background:transparent;padding:7px 9px;border-radius:8px}.model-button:hover{background:var(--panel-2)}.subtle{color:var(--muted2);font-size:13px}.share-btn{border:1px solid var(--border);background:transparent;padding:8px 12px;border-radius:9px;font-size:12px}.share-btn:hover{background:var(--panel-2)}.mobile-menu,.mobile-brand{display:none}.conversation{width:100%;max-width:850px;margin:0 auto;flex:1;overflow-y:auto;padding:10px 26px 24px;scroll-behavior:smooth}.welcome{max-width:680px;margin:clamp(58px,13vh,140px) auto 35px;text-align:center}.welcome-mark{width:46px;height:46px;border-radius:15px;margin:0 auto 22px;font-size:29px}.welcome h1{font-size:29px;letter-spacing:-1.1px;margin:0 0 10px;font-weight:600}.welcome>p{color:var(--muted);font-size:13px;margin:0 0 34px}.prompt-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:left}.prompt-card{background:transparent;border:1px solid var(--border);border-radius:13px;padding:14px;display:grid;grid-template-columns:25px 1fr;grid-template-rows:auto auto;column-gap:8px;align-items:center;text-align:left}.prompt-card:hover{background:var(--panel-2);border-color:#ffffff35}.prompt-icon{grid-row:1/3;font-size:20px;color:#c1c1c1}.prompt-card strong{font-size:12px;font-weight:500}.prompt-card small{font-size:11px;color:var(--muted2);margin-top:4px}.composer-area{width:100%;max-width:850px;margin:0 auto;padding:0 26px 16px}.composer{background:var(--panel-2);border:1px solid #ffffff0d;border-radius:22px;padding:11px 13px 9px;box-shadow:0 7px 25px #00000012}.composer:focus-within{border-color:#ffffff28}.composer textarea{width:100%;resize:none;max-height:180px;min-height:34px;border:0;outline:0;background:transparent;color:var(--text);padding:7px 5px 9px;font-size:14px;line-height:1.55}.composer textarea::placeholder{color:#999}.composer-toolbar{display:flex;justify-content:space-between;align-items:center;padding-top:2px}.composer-tools,.composer-right{display:flex;align-items:center;gap:8px}.tool-btn{border:0;background:transparent;color:#b9b9b9;border-radius:8px;padding:7px 9px;font-size:12px}.tool-btn span{font-size:11px}.hint{font-size:10px;color:var(--muted2)}.send-btn{width:34px;height:34px;border:0;border-radius:50%;background:#f3f3f3;color:#222;font-size:22px;line-height:1}.send-btn:disabled{background:#555;color:#888;cursor:not-allowed}.disclaimer{text-align:center;font-size:10px;color:var(--muted2);margin:9px 0 0}.messages{display:flex;flex-direction:column;gap:25px;padding:16px 0 34px}.message{display:flex;gap:13px;align-items:flex-start;max-width:100%}.message.user{justify-content:flex-end}.message-avatar{width:29px;height:29px;flex:0 0 29px;border-radius:50%;display:grid;place-items:center;font-size:14px;background:linear-gradient(135deg,#12a982,#426a87);color:white}.message-body{min-width:0;max-width:calc(100% - 42px);line-height:1.7;font-size:14px;overflow-wrap:anywhere}.message.user .message-body{background:var(--panel-2);padding:11px 15px;border-radius:18px;max-width:78%;line-height:1.55}.message-body p{margin:0 0 12px}.message-body p:last-child{margin-bottom:0}.message-body h1,.message-body h2,.message-body h3{line-height:1.3;margin:20px 0 9px}.message-body h1{font-size:22px}.message-body h2{font-size:19px}.message-body h3{font-size:16px}.message-body ul,.message-body ol{padding-left:23px}.message-body li{margin:4px 0}.message-body a{color:#80cdb6}.message-body pre{background:#111;border:1px solid var(--border);border-radius:11px;padding:14px;overflow:auto;line-height:1.5;font-size:12px}.message-body code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;background:#ffffff12;border-radius:4px;padding:2px 4px;font-size:.9em}.message-body pre code{padding:0;background:transparent}.message-actions{display:flex;gap:7px;margin-top:8px;opacity:.65}.message-actions button{background:transparent;border:0;color:var(--muted);font-size:11px;padding:3px 5px}.message-actions button:hover{color:var(--text)}.thinking{color:var(--muted);font-size:13px;display:flex;gap:8px;align-items:center}.dots{display:inline-flex;gap:4px}.dots i{width:5px;height:5px;border-radius:50%;background:#aaa;animation:pulse 1s infinite}.dots i:nth-child(2){animation-delay:.15s}.dots i:nth-child(3){animation-delay:.3s}@keyframes pulse{0%,80%,100%{opacity:.25;transform:translateY(0)}40%{opacity:1;transform:translateY(-3px)}}.attachment-preview{display:flex;gap:8px;flex-wrap:wrap;padding:3px 4px 8px}.attachment{position:relative;width:64px;height:58px;border:1px solid var(--border);border-radius:9px;overflow:hidden;background:#111;display:grid;place-items:center;color:var(--muted);font-size:10px;text-align:center}.attachment img{width:100%;height:100%;object-fit:cover}.attachment button{position:absolute;top:2px;right:2px;border:0;border-radius:50%;background:#000b;color:white;width:18px;height:18px}.overlay{position:fixed;inset:0;background:#0009;z-index:50;display:grid;place-items:center;padding:18px}.overlay[hidden]{display:none}.settings-modal{background:#242424;border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);width:min(620px,100%);max-height:min(720px,90dvh);display:flex;flex-direction:column}.modal-head{padding:22px 24px 16px;display:flex;align-items:flex-start;justify-content:space-between}.eyebrow{font-size:9px;letter-spacing:1.3px;color:#75cbb2;font-weight:700}.modal-head h2{font-size:20px;margin:6px 0 0}.settings-tabs{display:flex;gap:5px;padding:0 24px;border-bottom:1px solid var(--border)}.tab{border:0;background:transparent;color:var(--muted);padding:11px 12px;font-size:12px;border-bottom:2px solid transparent}.tab.active{color:var(--text);border-color:var(--accent)}.tab-panel{padding:20px 24px;overflow-y:auto;min-height:260px}.field-label{display:flex;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:8px}.field-help{font-size:11px;line-height:1.6;color:var(--muted);margin:0 0 13px}.prompt-editor{width:100%;height:235px;resize:vertical;background:#171717;color:var(--text);border:1px solid var(--border);border-radius:10px;padding:12px;font-size:12px;line-height:1.6;outline:none}.prompt-editor:focus{border-color:#10a37f88}.field-row{display:flex;justify-content:space-between;align-items:center;margin-top:10px}.text-btn{background:transparent;border:0;color:#83cbb6;font-size:11px;padding:5px 0}.save-state{font-size:10px;color:var(--muted2)}input[type=range]{width:100%;accent-color:var(--accent);margin:10px 0}.setting-divider{height:1px;background:var(--border);margin:19px 0}.check-row{display:flex;align-items:flex-start;gap:10px;margin:12px 0;cursor:pointer}.check-row input{accent-color:var(--accent);margin-top:3px}.check-row span{display:flex;flex-direction:column;gap:4px}.check-row strong{font-size:11px;font-weight:500}.check-row small{font-size:10px;color:var(--muted2)}.danger-btn{background:transparent;color:#ef8a8a;border:1px solid #ef8a8a55;border-radius:8px;padding:9px 11px;font-size:11px}.modal-foot{display:flex;align-items:center;justify-content:space-between;padding:13px 24px;border-top:1px solid var(--border);font-size:10px;color:var(--muted2)}.primary-btn{border:0;border-radius:8px;padding:9px 16px;background:var(--accent);color:white;font-weight:600;font-size:11px}.primary-btn:hover{background:var(--accent-hover)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%,15px);background:#f2f2f2;color:#222;padding:10px 15px;border-radius:9px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:80}.toast.show{opacity:1;transform:translate(-50%,0)}.sidebar.collapsed{width:72px;flex-basis:72px;padding-left:9px;padding-right:9px}.sidebar.collapsed .brand span:last-child,.sidebar.collapsed .collapse-btn,.sidebar.collapsed .new-chat-btn:not(:has(.plus)),.sidebar.collapsed .new-chat-btn kbd,.sidebar.collapsed .search-wrap input,.sidebar.collapsed .history-label,.sidebar.collapsed .chat-list,.sidebar.collapsed .side-action span:last-child,.sidebar.collapsed .user-meta,.sidebar.collapsed .user-row .small{display:none}.sidebar.collapsed .sidebar-top{justify-content:center}.sidebar.collapsed .new-chat-btn{justify-content:center;padding:0;font-size:0}.sidebar.collapsed .search-wrap{justify-content:center;padding:0}.sidebar.collapsed .side-action{justify-content:center}.sidebar.collapsed .user-row{justify-content:center}.light{color-scheme:light;--bg:#ffffff;--panel:#f7f7f8;--panel-2:#f0f0f0;--panel-3:#e8e8e8;--border:#00000017;--text:#202123;--muted:#666;--muted2:#888;--shadow:0 24px 80px #0002}.light .settings-modal{background:#fff}.light .prompt-editor{background:#f7f7f7}.light .message-body pre{background:#f3f3f3}.light .message-body code{background:#0000000c}.light .attachment{background:#eee}.light .search-wrap{background:#00000008}.light .user-row .avatar{color:white}
@media(max-width:760px){.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-105%);width:270px;flex-basis:270px;box-shadow:var(--shadow);transition:transform .22s}.sidebar.mobile-open{transform:translateX(0)}.topbar{height:52px;flex-basis:52px;padding:0 13px}.mobile-menu{display:grid}.mobile-brand{display:block;font-weight:650}.model-button{display:none}.topbar-right{gap:5px}.share-btn{padding:7px 9px}.conversation{padding:6px 15px 16px}.composer-area{padding:0 12px 10px}.welcome{margin:clamp(48px,12vh,110px) auto 26px}.welcome h1{font-size:25px}.prompt-grid{gap:8px}.prompt-card{padding:11px}.prompt-card strong{font-size:11px}.prompt-card small{font-size:10px}.hint{display:none}.message-body{font-size:13px}.message.user .message-body{max-width:88%}.settings-modal{max-height:94dvh}.modal-head,.tab-panel{padding-left:17px;padding-right:17px}.settings-tabs{padding:0 17px}.modal-foot{padding:12px 17px}.collapse-btn{display:none}}
@media(max-width:420px){.prompt-grid{grid-template-columns:1fr}.prompt-card{grid-template-columns:25px 1fr}.welcome>p{margin-bottom:24px}.tool-btn span{display:none}.settings-modal{border-radius:13px}.modal-foot>span{max-width:65%}}