:root{--bg:#f8f7fc;--paper:#fff;--ink:#292739;--muted:#858294;--line:#eae7f0;--purple:#7460b5;--purple-dark:#5f4b9d;--lavender:#eee9f9;--radius:20px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button{transition:background .18s,transform .18s}button:active{transform:translateY(1px)}:focus-visible{outline:3px solid #b4a5de;outline-offset:3px}[hidden]{display:none!important}button{color:inherit}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:12px;background:#fbfaff;padding:12px;color:var(--ink)}textarea{resize:vertical}label{display:block;font-size:13px;font-weight:600}label input,label textarea,label select{margin-top:7px}small,.muted{color:var(--muted)}.primary{border:0;background:var(--purple);color:#fff;padding:12px 22px;border-radius:12px}.primary:hover,#send:hover{background:var(--purple-dark)}.primary span{float:right}.icon{background:none;border:0;font-size:22px;min-width:40px;min-height:40px;color:var(--muted);border-radius:10px}.icon:hover{background:var(--lavender);color:var(--purple)}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--purple);color:#fff;border-radius:15px 15px 15px 5px;font-family:serif;font-size:23px}.eyebrow{font-size:10px;letter-spacing:2.5px;color:var(--purple);font-weight:700}.login{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr;max-width:1300px;margin:auto;padding:48px;gap:50px;align-items:center}.login-card{max-width:380px;margin:auto;width:100%}.login-card h1{font-size:42px;line-height:1.45;letter-spacing:-1.5px;margin:22px 0 14px}.login-card .eyebrow{margin-top:35px}.login-card form{margin:35px 0 26px}.login-card form button{width:100%;margin-top:16px}.login-card small{font-size:12px}.login-art{height:80vh;max-height:780px;border-radius:40px;background:radial-gradient(ellipse at 70% 25%,#ded1f5 0,transparent 46%),radial-gradient(ellipse at 20% 80%,#e6e6d9 0,transparent 50%),#eee9f4;display:flex;align-items:center;justify-content:center;flex-direction:column;position:relative;overflow:hidden}.login-art:before,.login-art:after{content:'';position:absolute;width:420px;height:420px;border:1px solid #ffffff80;border-radius:50%;transform:rotate(-20deg) scaleX(.6)}.login-art:after{transform:rotate(35deg) scaleX(.6)}.login-art>span{font-size:180px;font-family:serif;color:#fff;line-height:1;z-index:1}.login-art p{font-family:serif;font-size:24px;letter-spacing:4px;text-align:center;z-index:1;line-height:2;color:#7b6e96}.app{height:100dvh;display:flex;overflow:hidden}aside{width:282px;flex-shrink:0;border-right:1px solid var(--line);display:flex;flex-direction:column;padding:30px 20px 16px;background:#f2f0f7}.brand{display:flex;align-items:center;gap:12px;padding:0 9px}.brand strong{font-size:23px;letter-spacing:3px}.brand small{display:block;font-size:10px;letter-spacing:1px}.new-chat{margin:30px 0 28px;border:1px solid #dcd5ed;background:#fff;border-radius:13px;text-align:left;padding:13px;color:var(--purple);font-size:13px;font-weight:600}.new-chat span{float:right}.new-chat:hover{background:var(--lavender)}.section-title{display:flex;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);letter-spacing:1px;padding:0 10px}.section-title .icon{font-size:20px}.personas{display:grid;gap:6px;max-height:35vh;overflow:auto}.persona{display:flex;gap:11px;align-items:center;text-align:left;border:1px solid transparent;border-radius:14px;padding:12px;background:transparent}.persona:hover{background:#ffffff80}.persona.selected{background:white;border-color:#e2d9f1;box-shadow:0 4px 18px #52416506}.avatar{display:grid;place-items:center;background:#e9e4f3;border-radius:13px;width:40px;height:40px;font-size:22px;flex-shrink:0}.persona .avatar{background:#e7eee5}.persona:nth-child(2n) .avatar{background:#f4ead6}.persona:nth-child(3n) .avatar{background:#e4e9f1}.persona strong{font-size:14px;display:block}.persona small{font-size:11px}.persona .selected-dot{margin-left:auto;color:var(--purple);font-size:18px}.history-title{margin:28px 0 13px}#history{flex:1;overflow:auto;min-height:30px}.history-row{display:flex;align-items:center;border-radius:9px}.history-row.active{background:#e7e1f0}.history-row>button:first-child{border:0;background:none;text-align:left;font-size:12px;color:#736c83;padding:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0}.history-row .icon{font-size:16px;min-width:30px;min-height:30px}.empty-history{font-size:12px;color:#9b95a5;padding:10px}.sidebar-bottom{display:flex;align-items:center;font-size:10px;color:var(--muted);gap:7px;border-top:1px solid var(--line);padding:12px 6px 0}.sidebar-bottom .icon{margin-left:auto;font-size:18px}.status-dot{width:6px;height:6px;border-radius:50%;background:#7f9b7c}main{display:flex;flex-direction:column;flex:1;min-width:0;background:radial-gradient(ellipse at 80% 30%,#f0ebf650,transparent 50%),var(--bg)}header{height:91px;border-bottom:1px solid var(--line);padding:0 38px;display:flex;align-items:center;justify-content:space-between;background:#ffffff70;gap:10px}.header-person{display:flex;gap:11px;align-items:center}.header-person strong{font-size:15px;display:block}.header-person small{font-size:11px}.header-actions{display:flex;align-items:center;gap:20px}.ai-label{font-size:11px;color:var(--muted)}.outline{border:1px solid #dfd8eb;background:transparent;border-radius:10px;color:#73608f;padding:8px 14px;font-size:12px}.outline:hover{background:var(--lavender)}.chat-scroll{overflow:auto;flex:1;scroll-behavior:smooth;overscroll-behavior:contain}.welcome{max-width:740px;margin:45px auto 20px;padding:0 44px;text-align:center}.welcome-top{display:flex;align-items:center;justify-content:space-between;color:#ada4bb;font-size:9px;letter-spacing:2px;text-align:left}.tiny-star{font-size:22px;color:#b6a8cf}.welcome-avatar{font-size:46px;width:100px;height:100px;display:grid;place-items:center;background:#e8ede5;border-radius:35px;margin:30px auto 23px;box-shadow:0 10px 45px #84799210;border:6px solid #fff}.welcome h1{font-size:32px;letter-spacing:-.7px;font-weight:500;margin:0 0 12px}.welcome>p{font-size:14px;color:var(--muted);max-width:450px;margin:0 auto 32px;white-space:pre-wrap}.suggestions{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.suggestions button{border:1px solid var(--line);background:#ffffff90;border-radius:14px;font-size:12px;line-height:1.8;padding:18px 12px;text-align:left;color:#777084}.suggestions button:hover{background:var(--lavender);border-color:#d9cfee}.welcome-note{margin-top:35px;font-size:11px;color:#b2aaba}.messages{max-width:820px;padding:30px 40px;margin:auto}.message{display:flex;gap:12px;margin:0 0 26px;animation:appear .2s ease-out}.message.user{flex-direction:row-reverse}.message .avatar{width:32px;height:32px;font-size:18px;border-radius:11px}.message.user .avatar{background:#e7e2ee;color:#78678e;font-size:12px}.bubble{max-width:85%;font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;padding:14px 18px;border-radius:0 18px 18px 18px;background:#fff;box-shadow:0 3px 15px #52416504;line-height:1.85}.message.user .bubble{background:#eae3f5;border-radius:18px 0 18px 18px}.typing{color:var(--muted);animation:pulse 1.4s infinite}footer{max-width:820px;width:100%;margin:auto;padding:12px 40px 20px;padding-bottom:max(20px,env(safe-area-inset-bottom))}#composer{display:flex;align-items:flex-end;background:white;border:1px solid #e3dceb;border-radius:20px;padding:12px 12px 12px 18px;gap:12px;box-shadow:0 7px 24px #62507907}#message{resize:none;max-height:150px;min-height:35px;line-height:1.65;background:none;border:none;padding:5px 0;outline:none;box-shadow:none}#send{border:0;border-radius:12px;width:38px;height:38px;flex-shrink:0;background:var(--purple);color:white;font-size:25px}.composer-note{display:flex;justify-content:space-between;margin:9px 5px 0;font-size:9px;color:#a59caf}dialog{width:min(560px,94vw);max-height:90dvh;border:1px solid var(--line);border-radius:24px;padding:28px;background:var(--paper);color:var(--ink);box-shadow:0 30px 100px #29273930}dialog::backdrop{background:#29273965;backdrop-filter:blur(5px)}.dialog-head{display:flex;justify-content:space-between;align-items:center}.dialog-head h2{font-weight:500;font-size:24px;margin:0 0 20px}.dialog-head .eyebrow{margin-top:0}.two-col{display:grid;grid-template-columns:80px 1fr;gap:14px}#personaForm>label{margin-top:17px}#personaForm label small{display:block;font-weight:400;font-size:11px;margin-top:6px}.dialog-bottom{display:flex;justify-content:space-between;margin-top:23px;gap:15px}.danger{border:0;background:none;color:#ab6c7d;font-size:12px}.toast{position:fixed;bottom:110px;left:50%;transform:translateX(-50%);background:#393044;color:white;border-radius:14px;padding:12px 20px;font-size:13px;max-width:90vw;z-index:20}#loginError,#editorError{color:#b34a65;font-size:12px}.mobile{display:none}.shade{position:fixed;inset:0;border:0;background:#29273960;z-index:9}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{50%{opacity:.35}}@media(min-width:1450px){.welcome{margin-top:80px}.welcome-avatar{margin-top:50px}.welcome h1{font-size:38px}}@media(max-width:760px){.mobile{display:block}.login{grid-template-columns:1fr;padding:35px 28px}.login-art{display:none}.login-card h1{font-size:38px}.login-card{max-width:390px}aside{position:fixed;inset:0 auto 0 0;width:290px;z-index:10;transform:translateX(-100%);transition:transform .2s}aside.open{transform:translateX(0)}.brand .icon{margin-left:auto}header{height:77px;padding:0 14px;justify-content:flex-start}.header-actions{margin-left:auto}.header-actions .ai-label{display:none}.header-person .avatar{width:35px;height:35px}.header-person{gap:8px}.header-person strong{font-size:14px}.outline{padding:8px 10px}.welcome{padding:0 24px;margin-top:28px}.welcome-top{font-size:8px;letter-spacing:1.3px}.welcome-avatar{width:85px;height:85px;font-size:38px;margin-top:24px}.welcome h1{font-size:27px}.welcome>p{font-size:13px;margin-bottom:24px}.suggestions{grid-template-columns:1fr;gap:8px}.suggestions button{padding:12px 15px}.welcome-note{margin-top:22px}.messages{padding:24px 16px}.bubble{max-width:85%;padding:12px 14px}.message{gap:8px}.message .avatar{width:27px;height:27px;font-size:16px}footer{padding:9px 14px 15px;padding-bottom:max(15px,env(safe-area-inset-bottom))}.composer-note{font-size:8px}dialog{padding:22px}.personas{max-height:40dvh}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important;transition:none!important}}