/* 墨渊书阁 · 墨韵纸香 */
:root{
  --bg:#f5f1e8; --panel:#fffdf7; --ink:#2c2a26; --ink2:#6b6558; --line:#e4ddcd;
  --pri:#33534e; --pri2:#4a726c; --acc:#a8433a; --gold:#8a6d3b;
  --shadow:0 2px 14px rgba(60,50,30,.08);
  --serif:"Noto Serif SC","Source Han Serif SC","STZhongsong","SimSun",serif;
}
[data-theme="dark"]{
  --bg:#16181b; --panel:#1f2226; --ink:#d8d3c6; --ink2:#8f8a7d; --line:#2e3237;
  --pri:#5d8a83; --pri2:#77a69e; --acc:#c96b5f; --gold:#b39560;
  --shadow:0 2px 14px rgba(0,0,0,.4);
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--serif);line-height:1.7;transition:background .3s,color .3s}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:20px 16px 48px;min-height:70vh}

/* ---- 头部 ---- */
.hd{background:var(--panel);border-bottom:1px solid var(--line)}
.hd-in{max-width:1100px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:14px 16px 10px}
.logo{display:flex;align-items:baseline;gap:10px;white-space:nowrap}
.logo-img{width:42px;height:42px;border-radius:50%;object-fit:cover;align-self:center;display:block;
  box-shadow:0 0 0 2px rgba(0,0,0,.08),0 2px 6px rgba(0,0,0,.18)}
.logo-seal{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:8px;
  background:linear-gradient(140deg,var(--pri),var(--pri2));color:#f5f1e8;font-size:22px;font-weight:700;align-self:center;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.25)}
.logo b{font-size:22px;letter-spacing:2px}
.logo small{font-size:11px;color:var(--ink2);letter-spacing:1px}
.search{flex:1;display:flex;max-width:420px;margin-left:auto}
.search input{flex:1;border:1px solid var(--line);background:var(--bg);color:var(--ink);
  padding:8px 14px;border-radius:20px 0 0 20px;font-family:inherit;font-size:14px;outline:none}
.search input:focus{border-color:var(--pri2)}
.search button{border:1px solid var(--pri);background:var(--pri);color:#f5f1e8;padding:8px 16px;border-radius:0 20px 20px 0;cursor:pointer;font-family:inherit}
.theme-btn{background:none;border:1px solid var(--line);border-radius:50%;width:36px;height:36px;cursor:pointer;font-size:16px}
.theme-btn:hover{border-color:var(--pri2)}
.cats-nav{border-top:1px solid var(--line)}
.cats-in{max-width:1100px;margin:0 auto;display:flex;gap:2px;overflow-x:auto;padding:0 12px;scrollbar-width:none}
.cats-in::-webkit-scrollbar{display:none}
.cats-in a{padding:9px 13px;font-size:14px;color:var(--ink2);white-space:nowrap;border-bottom:2px solid transparent}
.cats-in a em{font-style:normal;font-size:11px;opacity:.6;margin-left:2px}
.cats-in a:hover,.cats-in a.on{color:var(--pri2);border-bottom-color:var(--pri2)}

/* ---- 首页 hero ---- */
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--panel),var(--bg));
  border:1px solid var(--line);border-radius:14px;padding:42px 38px;margin-bottom:28px;box-shadow:var(--shadow)}
.hero h1{font-size:34px;letter-spacing:6px;margin-bottom:10px}
.hero p{color:var(--ink2);font-size:15px}
.hero-cats{margin-top:18px;display:flex;flex-wrap:wrap;gap:10px}
.hero-cats a{border:1px solid var(--pri);color:var(--pri);padding:5px 16px;border-radius:18px;font-size:14px;transition:.2s}
.hero-cats a:hover{background:var(--pri);color:#f5f1e8}
.hero-deco{position:absolute;right:-20px;top:50%;transform:translateY(-52%);font-size:220px;font-weight:700;
  color:var(--pri);opacity:.06;pointer-events:none;line-height:1}

/* ---- 书架 ---- */
.shelf{margin-bottom:34px}
.shelf-hd{display:flex;align-items:baseline;justify-content:space-between;border-bottom:2px solid var(--pri);
  padding-bottom:8px;margin-bottom:16px}
.shelf-hd h2{font-size:20px;letter-spacing:2px}
.shelf-hd h2::before{content:"❖ ";color:var(--acc)}
.more{font-size:13px;color:var(--ink2)}
.more:hover{color:var(--pri2)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:18px}
.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;
  transition:transform .18s, box-shadow .18s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.cover{--h:160;position:relative;aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,hsl(var(--h),26%,38%),hsl(calc(var(--h) + 40),30%,24%))}
.cover span{font-size:52px;color:rgba(245,241,232,.9);font-weight:700;text-shadow:0 2px 8px rgba(0,0,0,.3)}
.cover i{position:absolute;bottom:8px;left:0;right:0;text-align:center;font-style:normal;font-size:12px;
  color:rgba(245,241,232,.75);letter-spacing:1px}
.cover.big{width:170px;border-radius:10px;box-shadow:var(--shadow);flex:none}
.cover.big span{font-size:72px}
img.cover-real{display:block;width:100%;aspect-ratio:3/4;object-fit:cover;background:#1c1a17}
img.cover-real.big{width:170px;border-radius:10px;box-shadow:var(--shadow);flex:none}
.book-cover-wrap{flex:none;display:flex;flex-direction:column;gap:10px}
.ai-cov{width:170px;display:flex;flex-direction:column;gap:6px}
.ai-cov input{border:1px solid var(--line,#ccc);border-radius:6px;padding:6px 8px;font-size:12px;background:#fff;color:#333}
.ai-cov .btn{font-size:13px;padding:7px 0;text-align:center}
.ai-cov small{color:var(--ink2);font-size:11px;min-height:14px}
.card-t{padding:10px 10px 0;font-size:15px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-a{padding:2px 10px;font-size:12px;color:var(--ink2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card-m{padding:4px 10px 12px;font-size:12px;color:var(--gold)}

/* ---- 面包屑/空态 ---- */
.crumb{color:var(--ink2);font-size:14px;margin-bottom:18px}
.crumb a:hover{color:var(--pri2)}
.crumb-n{margin-left:10px;color:var(--gold)}
.empty{text-align:center;padding:80px 20px;color:var(--ink2);font-size:15px}
.pager{display:flex;justify-content:center;align-items:center;gap:16px;margin:30px 0 8px}
.pager a{border:1px solid var(--line);background:var(--panel);padding:7px 18px;border-radius:20px;font-size:14px}
.pager a:hover{border-color:var(--pri2);color:var(--pri2)}
.pager .cur{color:var(--ink2);font-size:14px}

/* ---- 详情页 ---- */
.book-hd{display:flex;gap:30px;background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:30px;box-shadow:var(--shadow);margin-bottom:26px}
.book-meta h1{font-size:26px;letter-spacing:2px;margin-bottom:10px}
.book-au{color:var(--ink2);font-size:14px;margin-bottom:6px}
.book-au b{color:var(--pri2)}
.book-au span{margin-left:16px}
.book-au a:hover{color:var(--pri2)}
.book-num{color:var(--gold);font-size:13px;margin-bottom:12px}
.book-blurb{font-size:14px;color:var(--ink2);max-width:52em;margin-bottom:20px}
.book-ops{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;border:1px solid var(--pri);color:var(--pri);padding:9px 26px;border-radius:22px;
  font-size:15px;cursor:pointer;background:var(--panel);font-family:inherit;transition:.15s}
.btn:hover{background:var(--pri);color:#f5f1e8}
.btn.pri{background:var(--pri);color:#f5f1e8}
.btn.pri:hover{background:var(--pri2);border-color:var(--pri2)}
.btn.ghost{border-color:var(--line);color:var(--ink2)}
.btn.ghost:hover{border-color:var(--pri2);color:var(--pri2);background:transparent}
.btn.sm{padding:5px 14px;font-size:13px}
.btn.dis{opacity:.4;pointer-events:none;border-color:var(--line);color:var(--ink2)}
.toc h2{font-size:18px;margin-bottom:14px;letter-spacing:1px}
.toc h2 small{color:var(--ink2);font-size:12px;margin-left:8px}
.toc-list{list-style:none;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px 22px;columns:3;column-gap:30px;max-height:520px;overflow-y:auto}
.toc-list li{border-bottom:1px dashed var(--line);break-inside:avoid}
.toc-list a{display:block;padding:8px 4px;font-size:14px;color:var(--ink2);overflow:hidden;
  text-overflow:ellipsis;white-space:nowrap}
.toc-list a:hover{color:var(--pri2)}

/* ---- 阅读器 ---- */
.reader{max-width:46em;margin:0 auto}
.rd-hd{display:flex;align-items:center;gap:14px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:22px}
.rd-title{flex:1;min-width:0}
.rd-title h1{font-size:19px;letter-spacing:1px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rd-title small{color:var(--ink2);font-size:12px}
.rd-ops{display:flex;gap:8px}
.rd-ops button{background:none;border:1px solid var(--line);border-radius:18px;padding:5px 12px;cursor:pointer;
  color:var(--ink);font-family:inherit;font-size:13px}
.rd-ops button:hover{border-color:var(--pri2);color:var(--pri2)}
.rd-body{font-size:var(--fs,18px);line-height:2}
.rd-body p{text-indent:2em;margin-bottom:.9em;color:var(--ink)}
.rd-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:34px 0 20px;
  border-top:1px solid var(--line);padding-top:22px}

/* ---- 页脚 ---- */
.ft{border-top:1px solid var(--line);color:var(--ink2);text-align:center;padding:22px;font-size:13px;margin-top:20px}
.ft span{margin-left:14px;opacity:.7}

/* ---- 响应式 ---- */
@media (max-width:720px){
  .hd-in{flex-wrap:wrap;gap:10px}
  .search{order:3;max-width:none;width:100%;margin-left:0}
  .hero{padding:28px 22px}
  .hero h1{font-size:26px}
  .hero-deco{font-size:140px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:12px}
  .card-t{font-size:13px}
  .book-hd{flex-direction:column;align-items:center;text-align:center;padding:22px 16px}
  .book-au span{margin-left:8px}
  .book-ops{justify-content:center}
  .toc-list{columns:1;max-height:420px}
  .rd-title h1{font-size:16px}
}

/* ================= 社交：点赞 / 收藏 / 评论 ================= */
.social{margin-top:30px;border:1px solid var(--line);border-radius:14px;background:var(--panel);
  padding:20px 22px;box-shadow:var(--shadow)}
.soc-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.soc-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--bg);
  color:var(--ink);border-radius:20px;padding:7px 16px;cursor:pointer;font-family:inherit;font-size:14px;transition:.2s}
.soc-btn .ic{font-size:15px}
.soc-btn:hover{border-color:var(--acc);color:var(--acc)}
.soc-btn.on{border-color:var(--acc);color:var(--acc);background:rgba(168,67,58,.07)}
.soc-cnt{margin-left:auto;font-size:13px;color:var(--ink2)}
.soc-form{margin:16px 0;display:grid;grid-template-columns:160px 1fr auto;gap:10px;align-items:start}
.soc-form input,.soc-form textarea{border:1px solid var(--line);background:var(--bg);color:var(--ink);
  border-radius:8px;padding:8px 12px;font-family:inherit;font-size:14px;outline:none;resize:vertical}
.soc-form input:focus,.soc-form textarea:focus{border-color:var(--pri2)}
.soc-list{list-style:none;margin-top:6px;max-height:520px;overflow-y:auto}
.soc-list li{border-top:1px solid var(--line);padding:12px 2px}
.soc-list li:first-child{border-top:none}
.soc-h{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:4px}
.soc-h b{font-size:14px;color:var(--pri2)}
.soc-h time{font-size:12px;color:var(--ink2)}
.soc-list p{font-size:14px;line-height:1.8;color:var(--ink);word-break:break-word}
.soc-empty{color:var(--ink2);font-size:14px;text-align:center;padding:18px 0}

/* ================= AI 创作工作台 ================= */
.crt-link{color:var(--acc)!important;font-weight:700}
.crt{max-width:none}
.crt-hd{background:linear-gradient(135deg,var(--panel),var(--bg));border:1px solid var(--line);
  border-radius:14px;padding:26px 28px;margin-bottom:20px;box-shadow:var(--shadow)}
.crt-hd h1{font-size:26px;letter-spacing:3px;margin-bottom:8px}
.crt-hd h1::before{content:"✦ ";color:var(--acc)}
.crt-hd p{color:var(--ink2);font-size:14px}
.crt-llm{margin-top:12px;font-size:13px;padding:8px 14px;border-radius:8px;display:inline-block}
.crt-llm.ok{background:rgba(51,83,78,.1);color:var(--pri2)}
.crt-llm.warn{background:rgba(168,67,58,.1);color:var(--acc)}
.crt-form{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:22px 24px;box-shadow:var(--shadow)}
.fld{margin-bottom:16px}
.fld>label{display:block;font-size:13px;color:var(--ink2);margin-bottom:6px;letter-spacing:1px}
.fld-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.fld input,.fld select,.fld textarea{width:100%;border:1px solid var(--line);background:var(--bg);color:var(--ink);
  border-radius:8px;padding:9px 12px;font-family:inherit;font-size:14px;outline:none}
.fld input:focus,.fld select:focus{border-color:var(--pri2)}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:20px;overflow:hidden}
.seg button{border:none;background:var(--bg);color:var(--ink2);padding:7px 20px;cursor:pointer;font-family:inherit;font-size:14px}
.seg button.on{background:var(--pri);color:#f5f1e8}
.src-res{margin-top:8px;border:1px solid var(--line);border-radius:8px;max-height:180px;overflow-y:auto;background:var(--bg)}
.src-res:empty{display:none}
.src-item{padding:8px 12px;cursor:pointer;font-size:14px;border-bottom:1px solid var(--line);display:flex;align-items:baseline;flex-wrap:wrap;gap:2px 8px}
.src-item b{font-weight:600}
.src-item:last-child{border-bottom:none}
.src-item:hover{background:rgba(74,114,108,.18)}
.src-item small{color:var(--ink2);font-size:12px}
.src-empty{padding:10px 12px;color:var(--ink2);font-size:13px}
.src-sel{margin-top:8px;display:flex;gap:8px;flex-wrap:wrap}
.src-sel:not(:empty)::before{content:"已选来源：";width:100%;font-size:12px;color:var(--ink2)}
.src-chip{background:var(--pri);color:#f5f1e8;border-radius:14px;padding:4px 10px;font-size:13px;display:inline-flex;align-items:center;gap:6px;max-width:100%}
.src-chip button{background:none;border:none;color:#f5f1e8;font-size:15px;line-height:1;cursor:pointer;padding:0 2px;opacity:.85}
.src-chip button:hover{opacity:1}
.src-chip button{border:none;background:none;color:inherit;cursor:pointer;margin-left:4px;font-size:14px}
.chars{display:flex;flex-direction:column;gap:8px;margin-bottom:8px}
.char-row{display:grid;grid-template-columns:88px 1fr 2fr auto;gap:8px}
.char-row select,.char-row input{border:1px solid var(--line);background:var(--bg);color:var(--ink);
  border-radius:8px;padding:8px 10px;font-family:inherit;font-size:14px;outline:none}
.c-del{border:1px solid var(--line);background:none;color:var(--acc);border-radius:8px;width:34px;cursor:pointer;font-size:16px}
.crt-go{display:flex;align-items:center;gap:14px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.btn.big{padding:12px 34px;font-size:17px;letter-spacing:2px}
.crt-tip{font-size:13px;color:var(--ink2)}
.btn:disabled{opacity:.55;cursor:not-allowed}

.crt-prog{margin-top:20px;border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:20px 24px;box-shadow:var(--shadow)}
.pg-hd{display:flex;justify-content:space-between;font-size:14px;margin-bottom:10px}
.pg-hd span{color:var(--pri2);font-weight:700}
.pg-bar{height:10px;background:var(--bg);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.pg-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--pri),var(--pri2));transition:width .4s}
.pg-log{margin-top:12px;max-height:160px;overflow-y:auto;font-size:12.5px;color:var(--ink2);line-height:1.9}
.crt-done{margin-top:20px;border:1px solid var(--acc);border-radius:14px;background:var(--panel);padding:24px 26px;box-shadow:var(--shadow)}
.crt-done h2{font-size:20px;margin-bottom:14px;color:var(--acc)}
.done-book b{font-size:19px}
.done-book span{color:var(--ink2);font-size:13px;margin-left:12px}
.done-book p{margin-top:10px;font-size:14px;color:var(--ink2);line-height:1.9}
.done-ops{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:18px}
.done-ops select{border:1px solid var(--line);background:var(--bg);color:var(--ink);border-radius:8px;padding:8px 12px;font-family:inherit}
.done-msg{margin-top:12px;font-size:13.5px;color:var(--pri2);min-height:20px}

/* ================= 我的创作 ================= */
.myc-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;
  border-bottom:2px solid var(--pri);padding-bottom:10px}
.myc-hd h1{font-size:20px;letter-spacing:2px}
.myc-list{display:flex;flex-direction:column;gap:10px}
.myc-row{display:flex;align-items:center;gap:14px;border:1px solid var(--line);border-radius:10px;
  background:var(--panel);padding:14px 18px}
.myc-t{display:flex;align-items:center;gap:8px;min-width:0;flex:1}
.myc-t b{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.myc-m{font-size:13px;color:var(--ink2);white-space:nowrap}
.myc-ops{display:flex;gap:8px;margin-left:auto}
.badge{font-size:11px;border:1px solid var(--line);border-radius:10px;padding:2px 9px;color:var(--ink2)}
.badge.on{border-color:var(--pri2);color:var(--pri2)}
.badge-ai{font-size:11px;border:1px solid var(--acc);color:var(--acc);border-radius:10px;padding:2px 9px}

@media (max-width:720px){
  .fld-row{grid-template-columns:1fr}
  .char-row{grid-template-columns:1fr 1fr}
  .soc-form{grid-template-columns:1fr}
  .myc-row{flex-wrap:wrap}
  .myc-m{width:100%}
  .myc-ops{margin-left:0}
}

.crt-llmform{margin-top:12px;border:1px dashed var(--line);border-radius:10px;padding:16px 18px;background:var(--bg)}
.crt-llmform .fld-row{margin-bottom:12px}