/* 书城采用明亮阅读产品布局；阅读页保留独立的纸张主题。 */
[hidden]{display:none!important;}
button,input,textarea,select{font:inherit;}
button:disabled{opacity:.5;cursor:not-allowed;}
button:focus-visible,summary:focus-visible{outline:2px solid var(--crimson);outline-offset:3px;}
input:focus,textarea:focus,select:focus{outline:2px solid var(--crimson);outline-offset:1px;}
#header{padding-top:max(7px,env(safe-area-inset-top));}
body{background:#f2f3f5;}
#app.library{max-width:1120px;box-shadow:0 12px 50px #272e3a12;
  --paper:#fff;--card:#fff;--card-active:#fafafa;--badge:#f5f5f5;
  --line:#ededed;--line-2:#e9e9e9;--ink:#242424;--ink-body:#333;
  --ink-soft:#666;--ink-muted:#888;--ink-faint:#999;--ink-pale:#aaa;
  --crimson:#f5683e;--crimson-bg:#fff0e9;}
#home{background:#fff;overflow:hidden;}
#home.show{display:flex;flex-direction:column;}
#home .home-inner{width:100%;max-width:none;flex:1;min-height:0;overflow-y:auto;
  padding:26px 36px calc(24px + env(safe-area-inset-bottom));}
.library-top,.studio-top{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.library-top{padding-bottom:24px;}
.library-brand{display:flex;align-items:center;font-size:23px;font-weight:bold;color:var(--ink);}
.library-brand i{font:600 22px var(--serif);background:var(--crimson);color:#fff;display:grid;
  place-items:center;width:36px;height:36px;border-radius:11px;margin-right:10px;}
.library-brand small{font:12px var(--ui);color:var(--ink-muted);margin-left:14px;}
.library-top .action-btn{padding:10px 16px;border:0;background:#fff1eb;color:var(--crimson);
  border-radius:22px;font-weight:600;}
#home .home-head{text-align:left;padding:28px 32px;margin:0 0 22px;position:relative;
  border-radius:14px;background:linear-gradient(105deg,#fff0e3,#fff8f0 65%,#f3eee8);overflow:hidden;}
#home .home-title{font:700 35px/1.3 var(--ui);letter-spacing:0;margin-bottom:12px;color:#44302a;}
#home .home-seal{font-size:10px;letter-spacing:.06em;margin-bottom:12px;background:none;
  color:#ac704d;padding:0;box-shadow:none;}
.home-description{color:#8b7465;font-size:12px;line-height:1.8;}
.hero-create.action-btn.primary{margin-top:18px;width:auto;padding:10px 20px;border-radius:20px;}
#home .home-sub{margin-top:12px;font-size:10px;letter-spacing:.03em;color:#ae9381;}
.hero-books{position:absolute;right:9%;top:45px;width:275px;height:220px;pointer-events:none;}
.hero-book{position:absolute;display:flex;flex-direction:column;align-items:center;justify-content:space-between;
  width:132px;height:188px;border-radius:3px 7px 7px 3px;padding:17px 10px;color:#fff5dd;
  box-shadow:8px 16px 22px #59462c30,inset 5px 0 3px #ffffff14;}
.hero-book small{font-size:8px;letter-spacing:.1em;}
.hero-book b{font:26px var(--serif);writing-mode:vertical-rl;letter-spacing:.12em;}
.hero-book span{font-size:8px;}
.book-back{right:0;top:2px;background:linear-gradient(150deg,#9aafb5,#4d666e);transform:rotate(13deg);}
.book-front{left:6px;top:12px;background:linear-gradient(155deg,#ab9770,#4d5b46);transform:rotate(-10deg);}
.library-tools{display:flex;align-items:center;gap:12px;margin:8px 0 14px;flex-wrap:wrap;}
.library-tabs{display:flex;gap:18px;margin-right:auto;}
.library-tabs button{background:none;border:0;border-bottom:3px solid transparent;cursor:pointer;
  padding:10px 0;color:var(--ink-muted);font-size:17px;}
.library-tabs button.selected{border-color:var(--crimson);color:var(--ink);font-weight:bold;}
#homeSearch{min-width:0;width:240px;border:0;border-radius:20px;
  padding:10px 16px;background:#f6f6f6;color:var(--ink);font-size:12px;}
.library-tools>.action-btn{padding:9px 12px;}
.genre-filters{display:flex;gap:9px;overflow-x:auto;padding:4px 0 20px;}
.genre-filters button{padding:7px 14px;border:0;border-radius:16px;white-space:nowrap;
  background:#f7f7f7;color:#777;font-size:12px;cursor:pointer;}
.genre-filters button.selected{background:#fff0e9;color:var(--crimson);font-weight:600;}
.shelf-heading{display:flex;align-items:center;justify-content:space-between;margin:6px 0 20px;}
.shelf-heading h2{font-size:19px;color:var(--ink);}
.shelf-heading>span{font-size:11px;color:#aaa;}
#storyList{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
#storyList .story-card{padding:0 0 22px;cursor:default;display:flex;flex-direction:row;align-items:flex-start;
  border:0;border-bottom:1px solid var(--line);border-radius:0;box-shadow:none;gap:18px;}
#storyList .story-card:active{transform:none;background:var(--card);}
.book-cover{width:105px;min-height:153px;flex:0 0 105px;padding:13px 10px;border:0;border-radius:4px 7px 7px 4px;
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;gap:14px;
  box-shadow:3px 5px 9px #00000018,inset 5px 0 3px #ffffff15;color:#fff8e6;cursor:pointer;}
.book-cover small{font-size:9px;letter-spacing:.1em;}
.book-cover strong{font:600 22px/1.5 var(--serif);letter-spacing:.08em;text-align:center;
  overflow-wrap:anywhere;max-width:100%;}
.book-cover>span{font-size:8px;opacity:.7;}
.cover-0{background:linear-gradient(150deg,#b1a383,#65725c 70%,#45563d);}
.cover-1,.cover-ice{background:linear-gradient(155deg,#9daeba,#546e85 65%,#344d65);}
.cover-2{background:linear-gradient(155deg,#c3a2a0,#86687c 70%,#63455e);}
.book-info{flex:1;min-width:0;}
#storyList .story-head{margin:0 0 8px;}
#storyList .story-title{font:600 18px/1.5 var(--ui);overflow-wrap:anywhere;}
.book-badges{display:flex;gap:5px;flex-wrap:wrap;margin-bottom:8px;}
.book-badges span{font-size:9px;padding:2px 5px;background:#f5f5f5;border-radius:3px;color:#999;}
#storyList .story-tag{font-size:11px;margin:6px 0;color:#bd8055;}
#storyList .story-blurb{font-size:12px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;
  -webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px;text-align:left;}
#storyList .story-meta{font-size:10px;margin:6px 0 10px;color:#aaa;}
#storyList .story-foot{gap:8px;flex-wrap:wrap;border:0;padding-top:0;}
.read-story{border:0;background:none;color:var(--crimson);font-size:13px;font-weight:600;
  padding:6px 0;cursor:pointer;}
.story-actions{display:flex;gap:6px;flex-wrap:wrap;}
.public-library-status{display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin:-8px 0 18px;font-size:11px;color:var(--ink-muted);line-height:1.7;}
.public-library-status button{white-space:nowrap;}
.publish-story{width:100%;margin-top:10px;padding:11px;color:var(--crimson);}
.story-restart{font-size:10px;padding:3px 7px;}
#continueReading{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border:1px solid #f1ece8;border-radius:10px;margin-bottom:18px;background:#fffdfb;}
#continueReading>div{display:flex;gap:12px;align-items:center;flex-wrap:wrap;}
#continueReading span{font-size:10px;color:var(--crimson);}
#continueReading b{font-size:13px;}
#continueReading small{font-size:11px;color:#999;}
#continueReading button{border:0;background:none;white-space:nowrap;color:var(--crimson);font-size:12px;}
.library-bottom{display:none;}
.reader-home{background:none;border:0;color:var(--ink-soft);font-size:12px;cursor:pointer;white-space:nowrap;}
#header{gap:12px;}
#chapterLabel{flex:1;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;}
.nav-item{flex-direction:column;gap:4px;height:54px;}
.nav-item::after{content:attr(title);font-size:10px;}
.library-empty{grid-column:1/-1;padding:50px 20px;text-align:center;color:var(--ink-muted);
  border:1px dashed var(--line);border-radius:10px;font-size:14px;line-height:1.8;}
.choice-condition{display:block;font-size:11px;color:var(--ink-muted);margin-top:6px;}
.choice-card:disabled{background:var(--badge);opacity:.65;}
#studio{position:absolute;inset:0;z-index:140;overflow-y:auto;background:var(--paper);
  padding:24px 32px calc(28px + env(safe-area-inset-bottom));overscroll-behavior:contain;}
.studio-top{padding-bottom:20px;border-bottom:1px solid var(--line);font-size:13px;}
.studio-top b{font:600 23px var(--serif);}
.studio-top span{color:var(--ink-muted);margin-left:8px;}
.studio-top .action-btn{padding:8px 14px;}
.studio-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:32px;padding-top:30px;}
.studio-editor,.studio-preview{min-width:0;}
.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--crimson);font-weight:600;}
.studio-editor h1{font:600 27px/1.5 var(--serif);margin:12px 0;color:var(--ink);}
.studio-intro{font-size:13px;color:var(--ink-muted);line-height:1.85;margin-bottom:26px;}
#studio label{display:block;font-size:13px;color:var(--ink-soft);font-weight:600;}
#studio textarea,#studio select{display:block;width:100%;margin-top:10px;border:1px solid var(--line-2);
  border-radius:8px;background:var(--card);padding:12px;color:var(--ink-body);font-size:13px;line-height:1.8;}
#studio textarea{resize:vertical;min-height:90px;}
#studio textarea::placeholder{color:var(--ink-faint);}
.prompt-examples{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:10px 0 22px;}
.prompt-examples span{font-size:10px;color:var(--ink-faint);}
.prompt-examples button{font-size:10px;padding:5px 7px;border:1px solid var(--line);border-radius:4px;
  background:transparent;color:var(--ink-soft);cursor:pointer;}
.creator-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:22px;}
#studio select{padding:9px 8px;}
#studio .primary{padding:12px;}
.generation-message{font-size:12px;line-height:1.8;margin-top:14px;color:#4e6b3f;}
.generation-message.error{color:var(--crimson);}
.generation-live{margin-top:16px;padding:14px;border:1px solid var(--line-2);
  border-radius:10px;background:var(--card);}
.live-heading{display:flex;justify-content:space-between;align-items:center;gap:10px;}
.live-heading b{font-size:12px;color:var(--crimson);}
.live-heading span{font-size:10px;color:var(--ink-muted);white-space:nowrap;}
.live-text{max-height:260px;overflow-y:auto;white-space:pre-wrap;overflow-wrap:anywhere;
  font:14px/1.85 var(--serif);margin-top:12px;color:var(--ink-body);}
.generation-live details{margin-top:12px;}
.generation-live summary{font-size:11px;color:var(--ink-muted);cursor:pointer;}
.generation-live pre{max-height:220px;overflow:auto;white-space:pre-wrap;overflow-wrap:anywhere;
  font:11px/1.6 monospace;margin-top:10px;}
.generation-live>p{font-size:10px;color:var(--ink-faint);line-height:1.7;margin-top:12px;}
#cancelGeneration{padding:8px 14px;margin-top:10px;}
.ai-connection{padding:14px 0;border-top:1px solid var(--line);margin-top:20px;}
.ai-connection summary{font-size:12px;color:var(--ink-soft);cursor:pointer;line-height:1.8;}
.ai-connection p,.local-note{font-size:11px;color:var(--ink-muted);line-height:1.8;}
.ai-connection p{margin:12px 0;overflow-wrap:anywhere;}
.ai-connection button{padding:7px 12px;}
.preview-top{display:flex;justify-content:space-between;gap:8px;margin-bottom:18px;}
.preview-top>span:last-child{font-size:10px;color:var(--ink-faint);}
#storyPreview{border:1px solid var(--line-2);border-radius:12px;background:var(--card);overflow:hidden;}
.preview-empty{text-align:center;padding:65px 24px 40px;}
.preview-mark{font:32px var(--serif);color:var(--crimson);border:1px solid var(--line-2);width:72px;
  height:90px;display:grid;place-items:center;margin:0 auto 25px;border-radius:5px 12px 12px 5px;
  box-shadow:4px 4px 0 var(--badge);}
.preview-empty h2{font:600 20px var(--serif);margin:16px 0;}
.preview-empty p{font-size:12px;color:var(--ink-muted);line-height:1.8;}
.preview-steps{display:flex;justify-content:space-around;margin-top:42px;padding-top:22px;
  border-top:1px dashed var(--line);font-size:11px;color:var(--ink-faint);line-height:2.2;}
.preview-story{padding:24px;overflow-wrap:anywhere;}
.preview-story h2{font:600 27px/1.4 var(--serif);margin:10px 0;}
.preview-story>p{font-size:13px;line-height:1.85;color:var(--ink-soft);}
.preview-counts{font-size:11px;color:var(--ink-muted);margin:16px 0;}
.preview-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
.preview-stats span{font-size:11px;background:var(--paper);padding:10px;border-radius:6px;}
.preview-stats b{display:block;margin-top:6px;color:var(--crimson);font-size:12px;}
.opening{margin:24px 0;padding-top:20px;border-top:1px solid var(--line);}
.opening h3{font:600 18px var(--serif);margin:12px 0;}
.opening p,.node-preview p{font:14px/1.9 var(--serif);margin:10px 0;white-space:pre-wrap;}
.branch-preview summary{cursor:pointer;font-size:12px;line-height:1.7;}
.node-preview{margin-top:12px;border-top:1px dashed var(--line);padding-top:12px;}
.branch-choice{font-size:12px;padding:10px;background:var(--paper);margin-top:8px;border-radius:5px;}
.branch-choice small{display:block;margin-top:5px;font-size:10px;color:var(--crimson);}
.result-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px;}
.revision-box{border-top:1px solid var(--line);padding-top:20px;margin-top:24px;}
.revision-box .action-btn{padding:9px 14px;margin-top:10px;}
.revision-box p{font-size:11px;line-height:1.7;color:var(--ink-muted);margin-top:10px;}
.toast{z-index:200;}
@media(max-width:760px){
  #home .home-inner,#studio{padding:20px 18px calc(24px + env(safe-area-inset-bottom));
    padding-top:max(20px,env(safe-area-inset-top));}
  .library-brand small{display:none;}
  .library-top{padding-bottom:20px;}
  #home .home-head{padding:24px 20px;margin-bottom:18px;}
  #home .home-title{font-size:28px;}
  #home .home-seal{font-size:9px;max-width:65%;}
  .home-description{font-size:11px;max-width:68%;}
  .hero-books{right:-25px;top:58px;transform:scale(.64);transform-origin:right top;}
  .hero-book.book-back{display:none;}
  .book-front{left:auto;right:0;}
  .hero-create.action-btn.primary{padding:9px 14px;font-size:12px;}
  #home .home-sub{font-size:9px;max-width:75%;}
  #storyList{grid-template-columns:1fr;gap:14px;}
  .library-tabs{flex-basis:100%;}
  #homeSearch{flex:1;width:auto;}
  .library-bottom{display:flex;border-top:1px solid #f1f1f1;background:#fff;
    padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;}
  .library-bottom button{flex:1;border:0;background:none;color:#999;font-size:10px;padding:8px 0;
    display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;}
  .library-bottom button span{font-size:21px;line-height:1.1;}
  .library-bottom button.selected{color:var(--crimson);font-weight:600;}
  .studio-layout{grid-template-columns:1fr;gap:30px;padding-top:24px;}
  .studio-editor h1{font-size:25px;}
  .preview-empty{padding-top:35px;}
  #studio textarea,#studio select,#homeSearch{font-size:16px;}
  #storyList .story-card{padding:0 0 18px;gap:16px;}
  .book-cover{width:90px;flex-basis:90px;min-height:135px;}
  .book-cover strong{font-size:21px;}
  .preview-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}