@charset "UTF-8";
:root{--paper:#faf8f3;--page:#f6f2eb;--linen:#eee9e0;--ink:#322d29;--muted:#8b8074;--line:#e2dacf;--accent:#7c3c48;--accent-dark:#622d38;--accent-pale:#efe2e3;--white:#fffefa;--green:#6a806d;--sans:"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;--serif:"Noto Serif CJK SC","Source Han Serif SC","Songti SC","SimSun",serif;--shadow:0 12px 40px #38291b10}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;-webkit-tap-highlight-color:transparent}button,input,textarea{font:inherit}button{cursor:pointer}button,input,textarea{outline-offset:4px}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--accent)}button:disabled{cursor:default;opacity:.45}button{color:inherit}button,input,textarea,a{touch-action:manipulation}button{border:0}input,textarea{color:var(--ink)}[hidden]{display:none!important}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.icon{height:20px;width:20px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.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}.mobile-only{display:none}.icon-button{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:transparent;border-radius:10px;color:var(--muted)}.icon-button:hover{background:#e9e1d680;color:var(--ink)}.brand-emblem{width:40px;height:44px;color:var(--accent);border:1px solid #a677783b;border-radius:13px 13px 5px 5px;display:flex;align-items:center;justify-content:center;background:#faf5ee}.brand-emblem .icon{width:23px;height:23px}.eyebrow{font-size:10px;letter-spacing:2.5px;font-weight:500;color:var(--muted)}.primary,.secondary,.danger{min-height:44px;padding:10px 21px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:500}.primary{background:var(--accent);color:#fff8f0}.primary:hover{background:var(--accent-dark)}.secondary{background:var(--linen)}.danger{background:#913d44;color:white}.full{width:100%}label{display:block;font-size:12px;font-weight:600;margin-bottom:10px}input{width:100%;height:48px;border:1px solid var(--line);border-radius:8px;padding:0 14px;background:var(--paper)}input::placeholder,textarea::placeholder{color:#a69b8e}.form-error{min-height:18px;margin:9px 0;font-size:12px;color:#ab4149}
.login-screen{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:48px 24px;background:radial-gradient(ellipse at 10% 10%,#d9d0bf25,transparent 60%),var(--page);position:relative}.login-card{width:100%;max-width:380px;text-align:center}.brand-emblem.large{height:66px;width:62px;border-radius:22px 22px 8px 8px;margin:0 auto 30px}.large .icon{height:34px;width:34px}.login-card .eyebrow{font-size:8px;letter-spacing:2.4px}.login-card h1{font-family:var(--serif);font-size:46px;letter-spacing:9px;margin:17px 0 16px;font-weight:500}.login-intro{color:var(--muted);font-size:13px;letter-spacing:1px;line-height:1.9}.login-card form{text-align:left;margin-top:38px}.login-foot{font-size:11px;color:var(--muted);margin-top:24px}.login-bottom{position:absolute;bottom:20px;font-size:11px;letter-spacing:3px;color:#aa9b8b}
.app{height:100vh;height:100dvh;display:flex;overflow:hidden}.sidebar{width:260px;flex:0 0 260px;background:var(--linen);border-right:1px solid #e0d7ca;display:flex;flex-direction:column;padding:30px 18px 16px;z-index:40}.sidebar-brand{display:flex;align-items:center;gap:12px;padding:0 10px;margin-bottom:31px}.sidebar-brand strong{display:block;font-family:var(--serif);font-size:25px;letter-spacing:4px;font-weight:500}.sidebar-brand span{display:block;font-size:10px;color:var(--muted);letter-spacing:1px;margin-top:6px}.new-chat{background:var(--accent);min-height:46px;border-radius:9px;color:#fff7ef;display:flex;gap:10px;align-items:center;justify-content:center;box-shadow:0 4px 12px #7c3c4812;letter-spacing:1px}.new-chat:hover{background:var(--accent-dark)}.library-heading{display:flex;align-items:center;justify-content:space-between;margin:33px 12px 11px;color:var(--muted);font-size:11px;letter-spacing:1.5px}.library-heading span:last-child{font-size:10px;letter-spacing:0;background:#e4ddd2;padding:2px 6px;border-radius:4px}.conversation-list{overflow-y:auto;flex:1;min-height:0;margin:0 -5px;padding:0 5px}.conversation-item{width:100%;text-align:left;display:flex;align-items:center;gap:11px;padding:12px 11px;margin:4px 0;min-height:62px;background:transparent;border-radius:9px;position:relative}.conversation-item>.icon{color:#a99c8c;width:17px;height:17px}.conversation-item .conversation-copy{min-width:0;flex:1}.conversation-item strong{display:block;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:400}.conversation-item small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.conversation-item:hover{background:#ffffff60}.conversation-item.active{background:var(--white);box-shadow:0 2px 6px #42301e04}.conversation-item.active>.icon{color:var(--accent)}.conversation-item.active strong{font-weight:500;color:var(--accent)}.conversation-item .busy-dot{height:6px;width:6px;background:var(--accent);border-radius:50%;animation:pulse 1.5s infinite}.library-empty{color:#a29789;font-size:12px;line-height:1.9;text-align:center;margin:24px 0}.sidebar-bottom{border-top:1px solid #dcd3c5;padding:18px 9px 0;margin-top:15px}.local-status{display:flex;gap:10px;align-items:center}.status-dot{width:6px;height:6px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px #6a806d0a}.local-status strong{display:block;font-size:11px;font-weight:500}.local-status span:not(.status-dot){display:block;font-size:9px;color:var(--muted);margin-top:6px}.logout-button{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;background:transparent;padding:13px 0 2px;min-height:38px}.logout-button .icon{height:15px;width:15px}
.main{flex:1;display:flex;flex-direction:column;min-width:0;position:relative}.topbar{height:87px;flex:0 0 87px;padding:0 42px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid #e9e1d677;background:var(--paper)}.current-work{min-width:0}.work-label{font-size:9px;letter-spacing:1.7px;color:var(--muted);margin-bottom:7px}.title-button{display:flex;align-items:center;gap:12px;max-width:100%;padding:0;background:transparent;font-family:var(--serif);font-size:18px;text-align:left;min-height:27px}.title-button>span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.title-button .icon{width:13px;height:13px;color:#ab9e8f}.header-actions{display:flex;gap:13px;align-items:center;flex-shrink:0}.save-status{color:var(--muted);font-size:10px;display:flex;gap:4px;align-items:center;white-space:nowrap}.save-status .icon{width:13px;height:13px;color:var(--green)}.notes-button{display:flex;gap:7px;align-items:center;height:39px;min-height:44px;padding:0 12px;background:#eee8dd66;border:1px solid var(--line);border-radius:8px;font-size:11px;white-space:nowrap}.notes-button .icon{height:16px;width:16px}.notes-button:hover{background:var(--linen)}.connection-banner{background:#f6e8cf;color:#856329;padding:10px 24px;font-size:12px;text-align:center;line-height:1.6}.reading-area{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-gutter:stable;padding:0 38px}.welcome{max-width:760px;margin:0 auto;padding:65px 0 35px;text-align:center}.welcome-ornament{display:flex;align-items:center;justify-content:center;gap:16px;color:#a39377;margin-bottom:24px}.welcome-ornament span{height:1px;width:35px;background:#d4c8b5}.welcome-ornament .icon{height:24px;width:24px;stroke-width:1.1}.welcome .eyebrow{font-size:10px;letter-spacing:3px;color:#9b8974}.welcome h1{font-family:var(--serif);font-size:35px;letter-spacing:2px;font-weight:400;line-height:1.6;margin:19px 0 16px}.welcome-description{font-size:13px;color:var(--muted);line-height:2.1;letter-spacing:.3px}.starter-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin-top:40px;text-align:left}.starter-card{background:#f2ede5aa;border:1px solid #e4dbce;border-radius:10px;min-height:154px;padding:19px 16px;position:relative;text-align:left;transition:transform .18s,background .18s,border-color .18s}.starter-card:hover{background:#fffdf7;transform:translateY(-3px);border-color:#c6ada6}.starter-number{font-family:var(--serif);font-size:11px;color:#aa8c79;display:block;margin-bottom:22px}.starter-card strong{display:block;font-family:var(--serif);font-weight:500;font-size:15px;margin-bottom:10px}.starter-card>span:not(.starter-number){font-size:10px;color:var(--muted);line-height:1.7;display:block;padding-right:2px}.starter-card>.icon{position:absolute;right:13px;top:17px;height:15px;width:15px;color:#aa9a87}.welcome-note{font-size:10px;color:#a39788;margin:29px 0 0;line-height:1.9}.messages{max-width:760px;margin:0 auto;padding-top:36px}.message{margin:0 0 32px;animation:enter .2s ease}.message-header{display:flex;align-items:center;gap:8px;margin-bottom:13px;color:var(--muted);font-size:10px;letter-spacing:1px}.message-header .avatar{height:24px;width:24px;border-radius:7px;display:flex;align-items:center;justify-content:center;background:var(--accent-pale);color:var(--accent);font-family:var(--serif);font-size:12px;letter-spacing:0}.message.user .avatar{background:#e7e6df;color:#7d8172}.message-body{white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;line-height:2.05;font-family:var(--serif);font-size:17px;letter-spacing:.2px}.message.user .message-body{background:#eee9e17d;border:1px solid #e7ded269;border-radius:2px 12px 12px 12px;padding:15px 20px;font-family:var(--sans);font-size:14px;line-height:1.9}.message.assistant .message-body{padding:0 0 0 1px}.message-body.streaming:after{content:"";display:inline-block;height:16px;width:2px;background:#997262;margin-left:4px;vertical-align:-2px;animation:pulse 1s infinite}.message-actions{display:flex;gap:9px;align-items:center;margin-top:8px;min-height:30px}.copy-button{display:inline-flex;gap:5px;align-items:center;min-height:44px;padding:4px 8px 4px 0;font-size:10px;color:#a09282;background:transparent}.copy-button:hover{color:var(--accent)}.copy-button .icon{width:13px;height:13px}.message-status{font-family:var(--sans);font-size:11px;color:#9a8b7a;line-height:1.6}.message-status.error{color:#a34549}.generation-status{max-width:760px;margin:0 auto 28px;color:var(--muted);font-size:11px;display:flex;gap:9px;align-items:center}.writing-dots{display:inline-flex;gap:3px}.writing-dots i{height:3px;width:3px;border-radius:50%;background:#99735e;animation:pulse 1.2s infinite}.writing-dots i:nth-child(2){animation-delay:.2s}.writing-dots i:nth-child(3){animation-delay:.4s}.composer-region{width:100%;max-width:840px;margin:0 auto;padding:7px 40px max(17px,env(safe-area-inset-bottom));position:relative;background:var(--paper)}.composer-topline{display:flex;align-items:center;justify-content:space-between;min-height:29px;margin:0 2px 6px;font-size:10px;color:#a08e7b}.text-button{background:transparent;color:#8b7661;font-size:10px;display:flex;gap:5px;align-items:center;min-height:30px}.text-button .icon{height:12px;width:12px}.composer{border:1px solid #d9ccbb;border-radius:13px;background:var(--white);padding:16px 16px 11px;box-shadow:0 4px 20px #5d422808;transition:border-color .2s}.composer:focus-within{border-color:#b99891;box-shadow:0 4px 20px #7c3c4808}.composer textarea{background:transparent;resize:none;display:block;border:0;padding:0 3px;width:100%;min-height:48px;max-height:180px;font-size:13px;line-height:1.8;outline:none!important;overflow-y:auto}.composer-bottom{display:flex;align-items:center;gap:10px;min-height:40px;margin-top:7px}.composer-bottom>span{font-size:9px;color:#aa9d8b;flex:1}.composer-bottom #character-count{flex:0 0 auto}.send-button{height:40px;width:42px;min-height:44px;min-width:44px;background:var(--accent);color:#fff8ee;border-radius:9px;display:flex;align-items:center;justify-content:center}.send-button:hover{background:var(--accent-dark)}.send-button:disabled{background:#d7c2be;opacity:.65}.stop-button{height:38px;min-height:44px;display:flex;align-items:center;gap:5px;padding:0 10px;background:var(--linen);font-size:11px;border-radius:8px}.stop-button .icon{width:13px;height:13px}.composer-foot{text-align:center;color:#b0a491;font-size:9px;line-height:1.7;margin:10px 0 0}.jump-bottom{position:absolute;bottom:218px;left:50%;transform:translateX(-50%);background:var(--white);border:1px solid var(--line);border-radius:20px;min-height:38px;padding:8px 16px;font-size:11px;color:var(--accent);box-shadow:var(--shadow);z-index:2}
.backdrop{position:fixed;inset:0;background:#2a211d40;z-index:35}.notes-backdrop{z-index:45;background:#30241d25}.notes-panel{position:fixed;right:0;top:0;bottom:0;width:380px;max-width:100%;background:var(--paper);padding:33px 27px max(25px,env(safe-area-inset-bottom));z-index:50;box-shadow:-10px 0 40px #3b2b2012;display:flex;flex-direction:column;animation:slide .2s ease}.panel-heading{display:flex;align-items:center;justify-content:space-between}.panel-heading .eyebrow{font-size:9px;letter-spacing:2px;margin:0 0 10px}.panel-heading h2{font-family:var(--serif);font-weight:500;letter-spacing:2px;margin:0;font-size:26px}.notes-description{font-size:12px;color:var(--muted);line-height:1.9;margin:25px 0}.notes-panel label{font-size:11px;color:#827160;font-weight:500}.notes-panel textarea{width:100%;resize:none;background:var(--white);border:1px solid var(--line);border-radius:8px;min-height:170px;flex:1;padding:14px;line-height:1.9;font-size:13px}.notes-meta{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin-top:11px}.notes-tip{display:flex;gap:9px;margin:22px 0 17px;color:#a08e78}.notes-tip .icon{width:16px;height:16px;margin-top:3px}.notes-tip p{font-size:10px;line-height:1.8;margin:0}.delete-button{display:flex;gap:8px;align-items:center;justify-content:center;color:#a76b6c;font-size:11px;min-height:44px;background:transparent;border-top:1px solid var(--line);padding-top:14px}.delete-button .icon{width:15px;height:15px}.modal{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:27px;width:400px;max-width:calc(100vw - 32px);color:var(--ink);box-shadow:var(--shadow)}.modal::backdrop{background:#29201960}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.dialog-heading h2{font-family:var(--serif);font-size:23px;font-weight:500;margin:0}.modal p{font-size:13px;line-height:1.9;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:25px}.toast{position:fixed;bottom:max(28px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100vw - 40px);width:max-content;border:1px solid #ffffff15;background:#3c322c;color:#fff9ef;z-index:100;border-radius:9px;box-shadow:0 5px 25px #24180d20;padding:13px 20px;font-size:12px;line-height:1.6}.notes-panel input,.notes-panel textarea,.login-card input{font-size:16px}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}@keyframes enter{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}@keyframes slide{from{transform:translateX(100%)}to{transform:none}}@media(min-width:1500px){.welcome{padding-top:95px}.topbar{padding:0 60px}.sidebar{width:280px;flex-basis:280px;padding-left:23px;padding-right:23px}.welcome h1{font-size:40px}.starter-grid{margin-top:48px}}
@media(max-width:1100px){.sidebar{width:235px;flex-basis:235px;padding-left:13px;padding-right:13px}.topbar{padding:0 25px}.header-actions{gap:5px}.save-status{margin-right:5px}.reading-area{padding:0 25px}.composer-region{padding-left:27px;padding-right:27px}.welcome h1{font-size:30px}.starter-grid{gap:9px}.starter-card{padding:15px 12px;min-height:160px}.starter-card strong{font-size:13px}.starter-card>span:not(.starter-number){font-size:10px}.welcome{padding-top:45px}}
@media(max-width:760px){.mobile-only{display:inline-flex}.sidebar{position:fixed;left:0;top:0;bottom:0;transform:translateX(-100%);transition:transform .2s;width:285px;padding-top:max(25px,env(safe-area-inset-top));box-shadow:none}.sidebar.open{transform:translateX(0);box-shadow:10px 0 40px #30241d10}.sidebar-brand{padding-left:9px;gap:10px;margin-bottom:25px}.sidebar-brand .mobile-only{margin-left:auto}.sidebar-bottom{padding-bottom:env(safe-area-inset-bottom)}.topbar{height:75px;flex-basis:75px;padding:0 13px 0 8px;gap:7px}.current-work{flex:1}.work-label{font-size:8px;letter-spacing:1px;margin-bottom:6px}.title-button{font-size:17px;gap:7px}.title-button .icon{width:11px;height:11px}.header-actions{gap:1px}.save-status{display:none}.notes-button{background:transparent;border:0;padding:0;width:44px;justify-content:center}.notes-button .icon{width:20px;height:20px}.notes-button span{display:none}.header-actions .icon-button{width:38px}.reading-area{padding:0 21px;scrollbar-gutter:auto}.welcome{padding-top:40px;padding-bottom:28px;max-width:460px}.welcome-ornament{margin-bottom:23px}.welcome .eyebrow{font-size:9px;letter-spacing:2px}.welcome h1{font-size:27px;margin:17px 0 13px;letter-spacing:1px}.welcome-description{font-size:12px;line-height:2;letter-spacing:0}.starter-grid{grid-template-columns:1fr;margin-top:28px;gap:9px}.starter-card{min-height:76px;padding:15px 34px 14px 46px;border-radius:9px}.starter-number{position:absolute;left:16px;top:21px;font-size:10px;margin:0}.starter-card strong{font-size:14px;margin-bottom:6px}.starter-card>span:not(.starter-number){font-size:10px}.starter-card>.icon{top:30px;right:12px}.welcome-note{font-size:9px;margin-top:21px}.messages{padding-top:25px}.message{margin-bottom:27px}.message-header{margin-bottom:10px}.message-body{font-size:17px;line-height:2}.message.user .message-body{padding:13px 15px;font-size:14px}.message-actions{margin-top:5px}.composer-region{padding:5px 13px max(10px,env(safe-area-inset-bottom))}.composer{padding:12px 12px 8px;border-radius:12px}.composer-topline{padding:0 3px;font-size:9px;margin-bottom:3px;min-height:24px}.composer textarea{font-size:16px;min-height:45px;max-height:140px;line-height:1.65}.composer textarea::placeholder{font-size:13px}.composer-bottom{min-height:40px;margin-top:3px}.composer-bottom>span{font-size:8px}.composer-foot{font-size:8px;margin-top:7px}.text-button{font-size:10px;min-height:30px}.jump-bottom{bottom:196px}.notes-panel{width:360px;padding:25px 22px max(20px,env(safe-area-inset-bottom))}.notes-panel textarea{font-size:16px}.connection-banner{padding:8px 16px;font-size:11px}.new-chat{min-height:46px}.login-card{max-width:330px}.login-card h1{font-size:42px}.login-screen{padding-bottom:70px}.login-bottom{font-size:9px}.toast{bottom:max(24px,env(safe-area-inset-bottom))}}
@media(max-width:370px){.welcome h1{font-size:24px}.reading-area{padding-left:17px;padding-right:17px}.topbar{padding-right:8px}.header-actions .icon-button{width:35px}.starter-card{padding-left:42px}.composer-foot{font-size:7px}}
@media(max-height:740px) and (min-width:761px){.welcome{padding-top:25px}.welcome-ornament{margin-bottom:12px}.welcome h1{font-size:30px;margin:12px 0}.starter-grid{margin-top:23px}.starter-card{min-height:130px}.starter-number{margin-bottom:16px}.welcome-note{margin-top:18px}.composer-region{padding-bottom:12px}.topbar{height:77px;flex-basis:77px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}