:root{
  --bg:#f6f8fb;
  --surface:#ffffff;
  --surface-2:#eef3f7;
  --text:#17222f;
  --muted:#667586;
  --line:#dfe6ed;
  --brand:#173f5f;
  --brand-2:#1e6b72;
  --accent:#d79d55;
  --success:#287a57;
  --warning:#9a6b1e;
  --danger:#aa4b4b;
  --shadow:0 18px 45px rgba(27,48,68,.08);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
button{cursor:pointer}
.shell{min-height:100vh}
.topbar{
  position:sticky;top:0;z-index:40;
  background:rgba(246,248,251,.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(223,230,237,.85);
}
.topbar-inner{
  max-width:1240px;margin:auto;padding:14px 24px;
  display:flex;align-items:center;gap:22px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:max-content}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:20px;box-shadow:var(--shadow)
}
.brand strong{display:block;font-size:15px;letter-spacing:-.01em}
.brand small{display:block;color:var(--muted);font-size:12px}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{
  padding:10px 12px;border-radius:12px;color:var(--muted);font-weight:650;font-size:14px
}
.main-nav a:hover,.main-nav a.active{background:#fff;color:var(--brand);box-shadow:0 5px 18px rgba(30,60,80,.07)}
.search-top{
  width:260px;display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:#fff;padding:9px 12px;border-radius:14px
}
.search-top input{border:0;outline:0;width:100%;background:transparent;color:var(--text)}
.page{max-width:1240px;margin:auto;padding:34px 24px 110px}
.hero{
  display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:stretch;margin-bottom:28px
}
.hero-main{
  min-height:320px;border-radius:30px;padding:36px;
  color:#fff;position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 82% 18%,rgba(255,255,255,.18),transparent 26%),
    linear-gradient(135deg,#163b58,#205f69);
  box-shadow:var(--shadow)
}
.hero-main:after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;
  border:1px solid rgba(255,255,255,.13);border-radius:50%;
  box-shadow:0 0 0 45px rgba(255,255,255,.04),0 0 0 90px rgba(255,255,255,.025)
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;
  letter-spacing:.08em;text-transform:uppercase
}
.hero-main .eyebrow{color:#cfe9e9}
.hero h1{
  position:relative;z-index:1;max-width:760px;margin:22px 0 14px;
  font-size:clamp(36px,5.2vw,68px);line-height:.98;letter-spacing:-.055em
}
.hero-main p{position:relative;z-index:1;max-width:650px;color:#dce8ed;font-size:17px;margin:0 0 28px}
.hero-actions{position:relative;z-index:1;display:flex;gap:10px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:14px;padding:12px 16px;font-weight:800;font-size:14px
}
.btn-light{background:#fff;color:var(--brand)}
.btn-ghost{background:rgba(255,255,255,.11);color:#fff;border:1px solid rgba(255,255,255,.20)}
.btn-primary{background:var(--brand);color:#fff}
.btn-soft{background:var(--surface-2);color:var(--brand)}
.hero-side{display:grid;gap:14px}
.next-card,.continue-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow)
}
.next-card{border-top:4px solid var(--accent)}
.kicker{font-size:12px;color:var(--muted);font-weight:800;text-transform:uppercase;letter-spacing:.07em}
.next-card h3,.continue-card h3{margin:8px 0 6px;font-size:20px;line-height:1.2}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 9px;
  border-radius:999px;background:var(--surface-2);color:var(--muted);font-size:12px;font-weight:750
}
.badge.green{background:#e7f4ec;color:var(--success)}
.badge.gold{background:#fbf0e1;color:#8c5d24}
.badge.blue{background:#e8f0f6;color:var(--brand)}
.badge.red{background:#f7eaea;color:var(--danger)}
.progress{height:7px;background:#e9edf1;border-radius:20px;overflow:hidden;margin-top:14px}
.progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:20px}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:28px 0
}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px
}
.stat strong{font-size:26px;display:block;letter-spacing:-.04em}
.stat span{color:var(--muted);font-size:13px}
.section{margin-top:34px}
.section-head{
  display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px
}
.section-head h2{font-size:26px;letter-spacing:-.035em;margin:4px 0 0}
.section-head p{margin:0;color:var(--muted);font-size:14px}
.link{font-size:14px;font-weight:800;color:var(--brand)}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.quick{
  min-height:150px;padding:20px;border-radius:22px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;justify-content:space-between;transition:.2s ease
}
.quick:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cad7e2}
.quick-icon{
  width:44px;height:44px;border-radius:14px;background:var(--surface-2);display:grid;place-items:center;font-size:21px
}
.quick h3{margin:20px 0 4px;font-size:17px}
.quick p{margin:0;color:var(--muted);font-size:13px}
.disc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.disc-card{
  border:1px solid var(--line);background:#fff;border-radius:22px;padding:18px;min-height:230px;
  display:flex;flex-direction:column;transition:.2s ease
}
.disc-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.disc-code{font-size:11px;color:var(--muted);font-weight:850;letter-spacing:.08em}
.disc-card h3{font-size:17px;line-height:1.22;margin:12px 0 8px}
.disc-card p{font-size:13px;color:var(--muted);margin:0}
.disc-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:8px}
.material-count{font-size:12px;color:var(--muted)}
.timeline{display:grid;gap:10px}
.timeline-item{
  display:grid;grid-template-columns:88px 1fr auto;gap:16px;align-items:center;
  border:1px solid var(--line);border-radius:18px;background:#fff;padding:15px 17px
}
.timeline-date strong{display:block;font-size:18px}
.timeline-date small{color:var(--muted)}
.timeline-item h4{margin:0 0 2px;font-size:15px}
.timeline-item p{margin:0;color:var(--muted);font-size:13px}
.callout{
  border-radius:24px;padding:26px;background:#eef4f5;border:1px solid #dbe8e9;
  display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center
}
.callout h2{margin:0 0 5px;font-size:25px}
.callout p{margin:0;color:var(--muted)}
.footer{border-top:1px solid var(--line);padding:24px;color:var(--muted);font-size:12px}
.footer-inner{max-width:1240px;margin:auto;padding:0 24px;display:flex;justify-content:space-between;gap:20px}
.bottom-nav{display:none}

/* Biblioteca */
.library-body{background:#f6f3ee}
.library-hero{
  border-radius:30px;padding:34px;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#2b3a35,#445b4e 60%,#6b5747);
  box-shadow:var(--shadow)
}
.library-hero:before{
  content:"";position:absolute;inset:0;opacity:.22;
  background:repeating-linear-gradient(90deg,transparent 0 72px,rgba(255,255,255,.09) 72px 74px)
}
.library-hero h1{position:relative;margin:12px 0 8px;font-size:clamp(36px,5vw,62px);letter-spacing:-.055em;line-height:1}
.library-hero p{position:relative;color:#e8eee8;max-width:720px;margin:0}
.library-search{
  position:relative;margin-top:24px;max-width:720px;display:flex;align-items:center;gap:10px;
  background:#fff;padding:13px 15px;border-radius:16px;color:var(--text)
}
.library-search input{flex:1;border:0;outline:0;background:transparent}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}
.tab{
  border:1px solid #d8d2c8;background:#fff;color:#665f55;padding:10px 14px;border-radius:999px;font-weight:800;font-size:13px
}
.tab.active{background:#2f4339;color:#fff;border-color:#2f4339}
.library-layout{display:grid;grid-template-columns:245px 1fr;gap:24px}
.filters{
  background:#fff;border:1px solid #ded8cf;border-radius:22px;padding:18px;height:max-content;position:sticky;top:94px
}
.filters h3{font-size:14px;margin:0 0 13px}
.filter-group{padding:15px 0;border-top:1px solid #eee8df}
.filter-group:first-of-type{border-top:0}
.filter-group label{display:flex;gap:9px;align-items:flex-start;font-size:13px;margin:9px 0;color:#5f625f}
.books-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.book-card{
  background:#fff;border:1px solid #ded8cf;border-radius:20px;padding:14px;transition:.2s ease;
  display:flex;flex-direction:column;min-width:0
}
.book-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.book-cover{
  aspect-ratio:3/4;border-radius:14px;padding:18px;color:#fff;position:relative;overflow:hidden;
  display:flex;flex-direction:column;justify-content:flex-end;
  box-shadow:inset 6px 0 0 rgba(255,255,255,.10),0 10px 25px rgba(50,40,30,.12)
}
.book-cover:after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(0,0,0,.22));pointer-events:none
}
.book-cover small,.book-cover strong{position:relative;z-index:1}
.book-cover strong{font-size:17px;line-height:1.1;letter-spacing:-.02em}
.book-cover small{font-size:10px;letter-spacing:.08em;text-transform:uppercase;opacity:.85;margin-bottom:9px}
.cover-1{background:#315c68}.cover-2{background:#765f4d}.cover-3{background:#4f6650}.cover-4{background:#6e4f57}
.cover-5{background:#3e4a66}.cover-6{background:#8a6a3f}.cover-7{background:#5e4b73}.cover-8{background:#3f6d62}
.book-title{font-size:14px;line-height:1.25;margin:14px 0 4px}
.book-author{color:#7c766d;font-size:12px;margin-bottom:12px}
.book-tags{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.library-badge{font-size:10px;font-weight:850;padding:5px 7px;border-radius:999px;background:#f0ece5;color:#665e52}
.library-badge.available{background:#e6f1e9;color:#2c6d4a}
.biblio-section{
  display:none;background:#fff;border:1px solid #ded8cf;border-radius:24px;padding:24px
}
.biblio-section.active{display:block}
.biblio-disc{padding:18px 0;border-top:1px solid #eee7dc}
.biblio-disc:first-child{border-top:0;padding-top:0}
.biblio-disc h3{margin:0 0 7px}
.biblio-list{display:grid;gap:8px;margin-top:12px}
.biblio-item{
  display:flex;align-items:center;gap:12px;padding:12px;border-radius:14px;background:#f8f5f0
}
.biblio-item .mini-book{width:34px;height:44px;border-radius:5px;background:#53695b}
.biblio-item strong{font-size:13px}
.biblio-item span{font-size:11px;color:#7b756c}

/* Disciplina */
.discipline-head{
  background:#fff;border:1px solid var(--line);border-radius:28px;padding:28px
}
.discipline-head h1{font-size:clamp(32px,5vw,54px);line-height:1.02;letter-spacing:-.05em;margin:10px 0}
.discipline-head p{max-width:900px;color:var(--muted)}
.disc-tabs{display:flex;gap:8px;overflow:auto;margin-top:22px;padding-bottom:2px}
.disc-tab{white-space:nowrap;padding:10px 13px;border-radius:12px;background:var(--surface-2);font-size:13px;font-weight:800}
.disc-tab.active{background:var(--brand);color:#fff}
.content-grid{display:grid;grid-template-columns:1fr 320px;gap:22px;margin-top:22px}
.article-card,.side-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:22px
}
.article-card h2{font-size:24px;line-height:1.15;margin:8px 0}
.article-card h3{margin-top:24px}
.article-card p,.article-card li{color:#536273}
.side-card{height:max-content}
.file-row{
  display:grid;grid-template-columns:40px 1fr auto;gap:12px;align-items:center;
  padding:12px;border-radius:14px;background:#f7f9fb;margin-top:8px
}
.file-icon{width:40px;height:40px;border-radius:10px;background:#f2e7e6;display:grid;place-items:center}
.file-row strong{font-size:13px;display:block}
.file-row small{font-size:11px;color:var(--muted)}
.ref-row{padding:12px 0;border-top:1px solid var(--line);font-size:13px}
.ref-row:first-child{border-top:0}
.ref-row strong{display:block;margin-bottom:3px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:15px}

/* Histórico */
.semester-block{margin-top:26px}
.semester-title{font-size:22px;margin:0 0 12px}
.history-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}

@media(max-width:1050px){
  .main-nav{display:none}.search-top{margin-left:auto}
  .hero{grid-template-columns:1fr}
  .hero-side{grid-template-columns:1fr 1fr}
  .quick-grid,.disc-grid{grid-template-columns:repeat(2,1fr)}
  .books-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:760px){
  body{padding-bottom:70px}
  .topbar-inner{padding:10px 14px}
  .brand small{display:none}
  .search-top{width:auto;flex:1;max-width:230px}
  .page{padding:20px 14px 90px}
  .hero-main{min-height:auto;padding:26px 22px;border-radius:24px}
  .hero h1{font-size:42px}
  .hero-main p{font-size:15px}
  .hero-side{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .disc-grid{display:flex;overflow:auto;scroll-snap-type:x mandatory;margin-right:-14px;padding-right:14px}
  .disc-card{min-width:82vw;scroll-snap-align:start}
  .timeline-item{grid-template-columns:64px 1fr}.timeline-item>.badge{display:none}
  .callout{grid-template-columns:1fr}
  .section-head{align-items:flex-start}
  .bottom-nav{
    display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:10px;right:10px;bottom:10px;z-index:50;
    border:1px solid rgba(214,222,229,.9);border-radius:20px;background:rgba(255,255,255,.94);
    backdrop-filter:blur(18px);box-shadow:0 14px 45px rgba(32,45,58,.18);overflow:hidden
  }
  .bottom-nav a{padding:9px 4px;text-align:center;color:#6d7a87;font-size:9px;font-weight:800}
  .bottom-nav b{display:block;font-size:19px;line-height:1.2;margin-bottom:2px}
  .bottom-nav a.active{color:var(--brand);background:#f3f7fa}
  .footer{display:none}

  .library-layout{grid-template-columns:1fr}
  .filters{position:static;display:none}
  .books-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .book-card{padding:10px;border-radius:16px}
  .book-cover{padding:13px}
  .book-cover strong{font-size:14px}
  .library-hero{padding:25px 20px;border-radius:24px}
  .library-hero h1{font-size:42px}
  .content-grid{grid-template-columns:1fr}
  .history-grid{grid-template-columns:1fr}
}
@media(max-width:430px){
  .search-top input{font-size:12px}
  .quick-grid{grid-template-columns:1fr 1fr}
  .quick{padding:16px;min-height:135px}
  .quick h3{font-size:15px}
  .stat{padding:14px}
  .stat strong{font-size:23px}
  .books-grid{grid-template-columns:1fr 1fr}
}

/* Biblioteca dinâmica V3 */
.library-hero-live{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:26px;align-items:end}
.library-hero-copy{position:relative;z-index:1}
.library-live-panel{position:relative;z-index:1;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:15px;display:flex;gap:11px;align-items:center;backdrop-filter:blur(10px)}
.library-live-panel strong,.library-live-panel small{display:block}.library-live-panel strong{font-size:13px}.library-live-panel small{font-size:11px;color:#dce8df;margin-top:3px}
.live-dot{width:11px;height:11px;border-radius:50%;background:#99e2b4;box-shadow:0 0 0 6px rgba(153,226,180,.12);flex:0 0 auto}
.library-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}
.library-stat{background:#fff;border:1px solid #ded8cf;border-radius:18px;padding:16px 18px}.library-stat span{display:block;font-size:11px;color:#7c766d;margin-bottom:6px}.library-stat strong{font-size:27px;letter-spacing:-.04em}
.library-controls{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:22px 0;padding:15px 0;border-top:1px solid #ded8cf;border-bottom:1px solid #ded8cf}
.library-tabs{display:flex;gap:7px;flex-wrap:wrap}.library-tab-btn{border:1px solid #d8d2c8;background:#fff;color:#665f55;padding:9px 12px;border-radius:999px;font-weight:800;font-size:12px;cursor:pointer}.library-tab-btn.active{background:#2f4339;color:#fff;border-color:#2f4339}
.library-control-row{display:flex;gap:10px}.library-select-label{font-size:10px;color:#776f64;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.library-select-label select{display:block;margin-top:5px;border:1px solid #d8d2c8;background:#fff;border-radius:11px;padding:8px 32px 8px 10px;color:#3f453f;min-width:170px}
.library-result-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:24px 0 14px}.library-result-head h2{margin:4px 0 0;font-size:26px;letter-spacing:-.035em}.library-result-count{text-align:right}.library-result-count strong{display:block;font-size:22px}.library-result-count span{font-size:11px;color:#807970}
.books-grid-live{grid-template-columns:repeat(4,minmax(0,1fr))}.library-book-live{padding:0;overflow:hidden}.book-card-body{padding:13px 14px 15px;display:flex;flex-direction:column;flex:1}.book-open{border:0;padding:0;background:transparent;text-align:left;cursor:pointer}.book-open .book-cover{border-radius:0;aspect-ratio:3/3.75;box-shadow:inset 6px 0 0 rgba(255,255,255,.10)}.pdf-stamp{position:absolute;z-index:2;right:10px;top:10px;background:rgba(255,255,255,.9);color:#39463e;border-radius:7px;padding:4px 6px;font-size:9px;font-weight:900;letter-spacing:.08em}.book-line-top{min-height:23px;display:flex;align-items:center;justify-content:space-between;gap:8px}.book-file-size{margin-left:auto;font-size:10px;color:#8a8175}.library-badge.new{background:#eef0ff;color:#4857a6}.muted-author{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-meta{display:grid;gap:3px;margin-top:12px;padding-top:10px;border-top:1px solid #eee9e2;color:#8a8175;font-size:9px}.book-meta span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:12px}.btn-primary.compact,.btn-secondary.compact{padding:8px 9px;border-radius:10px;font-size:11px;text-align:center;text-decoration:none}.btn-primary.compact{border:0;background:#2f4339;color:#fff;font-weight:800;cursor:pointer}.btn-secondary.compact{border:1px solid #d8d2c8;background:#fff;color:#514b44;font-weight:800}.library-no-results{grid-column:1/-1;border:1px dashed #d2cabe;border-radius:20px;padding:35px;text-align:center;background:#fff}.library-no-results strong,.library-no-results span{display:block}.library-no-results span{font-size:12px;color:#807970;margin-top:5px}
.library-empty{text-align:center;border:1px dashed #cfc6b8;border-radius:24px;padding:45px 20px;background:#fff}.library-empty h2{margin:14px 0 6px}.library-empty p{margin:0;color:#776f64}.empty-book{width:70px;height:90px;border-radius:8px 14px 14px 8px;background:#53695b;color:#fff;display:grid;place-items:center;margin:auto;font-weight:900;box-shadow:inset 7px 0 rgba(255,255,255,.12)}
.library-howto{margin-top:30px;background:#fff;border:1px solid #ded8cf;border-radius:24px;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}.library-howto h2{margin:5px 0 8px}.library-howto p{color:#776f64;margin:0}.folder-tree{background:#f4f0e9;border-radius:17px;padding:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;display:grid;gap:6px;color:#5d554c}.folder-tree strong{color:#33453c}
.pdf-reader[hidden]{display:none}.pdf-reader{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}.pdf-reader-backdrop{position:absolute;inset:0;background:rgba(26,31,28,.72);backdrop-filter:blur(8px)}.pdf-reader-shell{position:relative;width:min(1180px,96vw);height:min(850px,92vh);background:#fff;border-radius:22px;overflow:hidden;display:grid;grid-template-rows:auto 1fr;box-shadow:0 35px 100px rgba(0,0,0,.3)}.pdf-reader-head{display:flex;justify-content:space-between;align-items:center;gap:15px;padding:14px 16px;border-bottom:1px solid #e5e1db}.pdf-reader-head h2{font-size:16px;margin:3px 0 0;max-width:670px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pdf-reader-actions{display:flex;align-items:center;gap:8px}.reader-close{width:38px;height:38px;border:1px solid #d8d2c8;background:#fff;border-radius:10px;font-size:23px;line-height:1;cursor:pointer}.pdf-frame-wrap{background:#3f4542}.pdf-frame-wrap iframe{width:100%;height:100%;border:0;background:#fff}.reader-open{overflow:hidden}
@media(max-width:1050px){.books-grid-live{grid-template-columns:repeat(3,minmax(0,1fr))}.library-hero-live{grid-template-columns:1fr 230px}.library-controls{align-items:stretch;flex-direction:column}.library-control-row{justify-content:flex-end}}
@media(max-width:760px){.library-hero-live{grid-template-columns:1fr}.library-live-panel{max-width:none}.library-stats{grid-template-columns:repeat(2,1fr)}.library-controls{margin-top:16px}.library-tabs{display:grid;grid-template-columns:1fr 1fr}.library-tab-btn{border-radius:12px}.library-control-row{display:grid;grid-template-columns:1fr 1fr}.library-select-label select{min-width:0;width:100%}.books-grid-live{grid-template-columns:repeat(2,minmax(0,1fr))}.library-result-head h2{font-size:22px}.library-howto{grid-template-columns:1fr}.pdf-reader{padding:0}.pdf-reader-shell{width:100%;height:100%;max-height:none;border-radius:0}.pdf-reader-head{align-items:flex-start}.pdf-reader-actions .btn-secondary{display:none}.pdf-reader-head h2{max-width:58vw}.book-card-body{padding:10px}.book-actions{grid-template-columns:1fr}.book-actions .btn-secondary{display:none}}
@media(max-width:430px){.books-grid-live{grid-template-columns:1fr 1fr}.book-cover strong{font-size:13px}.book-title{font-size:12px}.book-tags .library-badge{font-size:8px}.library-stats{gap:8px}.library-stat{padding:13px}.library-stat strong{font-size:23px}.library-control-row{grid-template-columns:1fr}.library-tabs{grid-template-columns:1fr 1fr}.library-howto{padding:18px}.folder-tree{font-size:9px}}

/* Biblioteca inteligente V4 */
.book-cover{position:relative;overflow:hidden}.book-cover.has-real-cover{background:#e8e4dc}.book-cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}.book-cover-fallback{position:relative;z-index:0;height:100%;display:flex;flex-direction:column;justify-content:space-between}.book-cover.has-real-cover .book-cover-fallback{opacity:0}.book-cover.cover-image-error .book-cover-fallback{opacity:1}
.official-bib{background:#e7f4ec!important;color:#287a57!important}.book-summary{font-size:11px;color:#726c63;line-height:1.45;margin:10px 0 0;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;min-height:63px}.book-discipline-links{display:flex;flex-wrap:wrap;gap:5px;margin-top:10px}.discipline-link{font-size:9px;line-height:1.25;padding:6px 8px;border-radius:8px;background:#f1eee8;color:#5f5a52;font-weight:800}.discipline-link.official{background:#e7f4ec;color:#287a57}.library-sync-btn{align-self:end;white-space:nowrap;height:36px}.book-line-top{gap:5px;flex-wrap:wrap}.book-file-size{margin-left:auto}
.book-details[hidden]{display:none}.book-details{position:fixed;inset:0;z-index:1100;display:grid;place-items:center;padding:20px}.book-details-shell{position:relative;width:min(920px,95vw);max-height:90vh;overflow:auto;background:#fff;border-radius:26px;box-shadow:0 35px 100px rgba(0,0,0,.3);display:grid;grid-template-columns:310px 1fr;gap:0}.details-close{position:absolute;right:14px;top:14px;z-index:5;background:rgba(255,255,255,.94)}.book-details-cover{min-height:470px;background:#f0ece5;padding:28px;display:grid;place-items:center}.book-details-cover .book-cover{width:min(100%,250px);aspect-ratio:2/3;border-radius:12px;box-shadow:0 20px 45px rgba(0,0,0,.18);padding:22px}.book-details-content{padding:34px 34px 30px}.book-details-content h2{font-size:32px;line-height:1.08;letter-spacing:-.035em;margin:8px 0}.book-details-author{font-size:15px;color:#5d665f;margin:0 0 14px}.book-details-meta{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 18px}.book-details-meta span{font-size:10px;background:#f2f4f2;border-radius:999px;padding:6px 9px;color:#667068}.book-details-summary{font-size:14px;color:#596159;line-height:1.65;margin:0}.book-details-disciplines{margin-top:22px;padding-top:18px;border-top:1px solid #e4e7e3;display:grid;gap:8px}.book-details-disciplines>strong{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:#687169}.book-details-disciplines a{display:flex;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid #e0e5e1;border-radius:12px;background:#fbfcfb}.book-details-disciplines a b{font-size:12px}.book-details-disciplines a small{font-size:10px;color:#748078;text-align:right}.details-actions{margin-top:22px;grid-template-columns:1fr 1fr}.details-actions .btn-primary,.details-actions .btn-secondary{padding:11px 14px;border-radius:12px;text-align:center;font-weight:800;font-size:12px}
.discipline-library-section{scroll-margin-top:90px}.discipline-books-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.discipline-book-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;display:grid;grid-template-columns:125px 1fr;min-height:220px}.discipline-book-cover{position:relative;background:linear-gradient(145deg,#3a594b,#715b49);color:#fff;overflow:hidden}.discipline-book-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}.discipline-book-fallback{height:100%;padding:14px;display:flex;flex-direction:column;justify-content:space-between}.discipline-book-fallback small{font-size:9px;opacity:.75}.discipline-book-fallback strong{font-size:12px;line-height:1.2}.discipline-book-cover.has-image .discipline-book-fallback{opacity:0}.discipline-book-body{padding:15px;min-width:0}.discipline-book-body h3{margin:8px 0 3px;font-size:15px;line-height:1.25}.discipline-book-body .book-author{font-size:11px;color:var(--muted)}.discipline-book-body p{font-size:11px;line-height:1.45;color:var(--muted);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden;margin:9px 0}.discipline-book-reason{display:flex;justify-content:space-between;gap:8px;font-size:9px;color:#748078;margin-top:10px}.discipline-book-reason b{color:#4c5d53}.discipline-book-card .book-actions{grid-template-columns:1fr 1fr}
@media(max-width:1050px){.discipline-books-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.book-summary{-webkit-line-clamp:3;min-height:48px}.library-sync-btn{width:100%;grid-column:1/-1}.book-details{padding:0}.book-details-shell{width:100%;height:100%;max-height:none;border-radius:0;grid-template-columns:1fr;display:block}.book-details-cover{min-height:300px;padding:22px}.book-details-cover .book-cover{height:270px;width:180px}.book-details-content{padding:24px 20px 90px}.book-details-content h2{font-size:25px}.book-details-disciplines a{display:grid}.book-details-disciplines a small{text-align:left}.discipline-books-grid{grid-template-columns:1fr}.discipline-book-card{grid-template-columns:105px 1fr}.discipline-book-body p{-webkit-line-clamp:3}.details-actions{grid-template-columns:1fr 1fr}}
@media(max-width:430px){.book-summary{font-size:10px}.book-discipline-links{display:none}.book-details-cover{min-height:260px}.discipline-book-card{grid-template-columns:92px 1fr}.discipline-book-body{padding:12px}.discipline-book-card .book-actions{grid-template-columns:1fr}}

/* ===== V8 · Biblioteca centralizada / acervo real ===== */
.library-v8{background:#f5f2ec}
.library-page-v8{max-width:1320px;padding-top:26px}
.library-hero-v8{
  display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:center;
  padding:34px 38px;border-radius:30px;color:#fff;overflow:hidden;position:relative;
  background:
    radial-gradient(circle at 78% 10%,rgba(255,255,255,.13),transparent 28%),
    linear-gradient(135deg,#223a31,#3f594b 64%,#6f5b45);
  box-shadow:0 22px 55px rgba(50,43,31,.11)
}
.library-hero-v8:after{content:"";position:absolute;inset:auto -90px -130px auto;width:310px;height:310px;border-radius:50%;border:1px solid rgba(255,255,255,.13);box-shadow:0 0 0 46px rgba(255,255,255,.035),0 0 0 92px rgba(255,255,255,.025)}
.library-hero-v8-copy{position:relative;z-index:1;max-width:820px}
.library-hero-v8 h1{font-size:clamp(38px,5vw,64px);line-height:.98;letter-spacing:-.055em;margin:13px 0 12px}
.library-hero-v8 p{max-width:760px;margin:0;color:#e5ece6;font-size:16px}
.library-live-v8{position:relative;z-index:2;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.17);backdrop-filter:blur(10px);border-radius:20px;padding:18px 19px}
.library-live-v8 strong,.library-live-v8 small{color:#fff}
.library-live-v8 small{opacity:.78}

.library-stats-v8{max-width:100%;margin:16px 0 22px}
.library-search-hub{
  max-width:1040px;margin:0 auto 20px;padding:28px 30px;border-radius:26px;background:#fff;border:1px solid #ded8cf;
  box-shadow:0 13px 35px rgba(65,53,36,.055);text-align:center
}
.library-search-title{max-width:700px;margin:0 auto 18px}
.library-search-title h2{font-size:28px;line-height:1.1;letter-spacing:-.035em;margin:5px 0 6px}
.library-search-title p{margin:0;color:#766f65;font-size:13px}
.library-search-box-v8{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;max-width:840px;margin:0 auto;
  border:2px solid #cfd7cf;border-radius:18px;background:#fbfcfa;padding:5px 7px 5px 15px;transition:.2s ease
}
.library-search-box-v8:focus-within{border-color:#3d6452;box-shadow:0 0 0 4px rgba(61,100,82,.08);background:#fff}
.library-search-box-v8>span{font-size:24px;color:#6a786f}
.library-search-box-v8 input{min-width:0;border:0;outline:0;background:transparent;padding:12px 5px;font-size:15px;color:#263128}
.search-clear{border:0;background:#edf1ed;color:#405247;border-radius:11px;padding:9px 12px;font-weight:800;font-size:11px}
.library-search-hints{display:flex;justify-content:center;flex-wrap:wrap;gap:7px;margin-top:13px}
.library-search-hints span{padding:5px 9px;border-radius:999px;background:#f3f1ed;color:#7b746a;font-size:10px;font-weight:800}

.library-controls-v8{max-width:1180px;margin:0 auto 24px;background:#fff;border:1px solid #ded8cf;border-radius:22px;padding:13px 15px}
.library-controls-v8 .library-tabs{justify-content:center;margin-bottom:12px}
.library-controls-v8 .library-control-row{justify-content:center}
.library-text-button{border:0;background:transparent;color:#355d49;font-size:12px;font-weight:850;padding:8px}

.library-shelves-section,.library-acervo-section{max-width:1180px;margin:0 auto}
.library-shelves-section{margin-bottom:24px}
.shelf-head{margin-bottom:11px}
.discipline-shelves{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.discipline-shelf{
  min-width:0;display:grid;grid-template-columns:38px 1fr auto;gap:10px;align-items:center;text-align:left;
  border:1px solid #ddd7ce;background:#fff;border-radius:16px;padding:12px 13px;color:#303831;transition:.18s ease
}
.discipline-shelf:hover,.discipline-shelf.active{transform:translateY(-2px);border-color:#9eaa9f;box-shadow:0 10px 25px rgba(58,50,40,.07)}
.discipline-shelf.active{background:#edf3ee;border-color:#759080}
.shelf-icon{width:34px;height:34px;border-radius:11px;background:#edf0eb;display:grid;place-items:center}
.shelf-copy{min-width:0;display:grid}
.shelf-copy strong{font-size:12px;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shelf-copy small{font-size:9px;color:#837c72;margin-top:3px}
.shelf-arrow{font-size:20px;color:#829087}

.library-acervo-section{scroll-margin-top:90px}
.library-acervo-section .library-result-head{align-items:flex-end}
.library-result-head p{margin:5px 0 0;color:#7a7369;font-size:12px}
.books-grid-v8{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;align-items:stretch}
.book-card-v8{padding:10px;border-radius:18px;box-shadow:0 8px 23px rgba(58,50,40,.035)}
.book-card-v8 .book-open{width:100%;padding:0;border:0;background:transparent;text-align:left}
.book-card-v8 .book-cover{aspect-ratio:2/3;padding:14px;border-radius:12px}
.book-card-v8 .book-cover-fallback{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;z-index:1}
.book-card-v8 .book-cover-fallback strong{font-size:14px;line-height:1.08;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.book-card-v8 .book-cover-fallback span{font-size:9px;opacity:.78;margin-top:7px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-card-v8 .book-cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:3}
.book-card-v8 .pdf-stamp{z-index:4}
.book-card-v8 .book-card-body{padding:10px 3px 3px}
.book-card-v8 .book-title{font-size:13px;margin:8px 0 3px;min-height:33px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.book-card-v8 .book-author{font-size:10px;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-card-v8 .book-summary{font-size:10px;line-height:1.45;min-height:43px;-webkit-line-clamp:3;margin:7px 0 8px}
.book-card-v8 .book-discipline-links{min-height:24px;gap:4px}
.book-card-v8 .discipline-link{font-size:8px;padding:4px 6px;max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.book-card-v8 .book-meta{font-size:8px;margin-top:8px}
.book-card-v8 .book-actions{gap:6px;margin-top:8px}
.book-card-v8 .book-actions .btn-primary,.book-card-v8 .book-actions .btn-secondary{font-size:9px;padding:8px 7px;border-radius:9px}
.library-badge.year{background:#f1eee7;color:#6f6558}
.library-no-results-v8{grid-column:1/-1;min-height:260px;display:grid;place-items:center;align-content:center;text-align:center;gap:8px;padding:28px;border:1px dashed #d5cec4;border-radius:22px;background:#fbfaf7}
.library-no-results-v8 strong{font-size:18px}.library-no-results-v8 span{max-width:560px;color:#7c756b;font-size:12px}
.library-empty-v8{max-width:700px;margin:0 auto}
.library-central-note{max-width:1180px;margin:34px auto 0;padding:24px 26px;border:1px solid #d8ddd7;background:#eef3ee;border-radius:24px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}
.library-central-note h2{margin:4px 0 5px;font-size:23px;letter-spacing:-.03em}.library-central-note p{margin:0;color:#6d766f;font-size:13px;max-width:780px}

/* Disciplina V8: somente links para a Biblioteca central */
.discipline-library-links-v8{display:grid;gap:9px}
.discipline-library-link-v8{
  display:grid;grid-template-columns:42px minmax(0,1fr) minmax(150px,220px) auto;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;transition:.18s ease
}
.discipline-library-link-v8:hover{border-color:#b9c8bd;box-shadow:0 8px 22px rgba(35,56,44,.06);transform:translateY(-1px)}
.linked-book-icon{width:38px;height:38px;border-radius:11px;background:#eef3ee;display:grid;place-items:center}
.linked-book-main{min-width:0;display:grid}.linked-book-main strong{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.linked-book-main small{font-size:10px;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.linked-book-type{display:grid;font-size:10px;font-weight:850;color:#44584c}.linked-book-type small{font-weight:600;color:var(--muted);margin-top:2px}
.linked-book-arrow{font-size:10px;font-weight:850;color:var(--brand);white-space:nowrap}

@media(max-width:1150px){
  .books-grid-v8{grid-template-columns:repeat(4,minmax(0,1fr))}
  .discipline-shelves{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:900px){
  .library-hero-v8{grid-template-columns:1fr}.library-live-v8{max-width:430px}
  .books-grid-v8{grid-template-columns:repeat(3,minmax(0,1fr))}
  .discipline-shelves{grid-template-columns:repeat(2,minmax(0,1fr))}
  .discipline-library-link-v8{grid-template-columns:40px minmax(0,1fr) auto}.linked-book-type{grid-column:2}.linked-book-arrow{grid-column:3;grid-row:1/3}
}
@media(max-width:700px){
  .library-page-v8{padding:16px 13px 95px}.library-hero-v8{padding:24px 20px;border-radius:22px}.library-hero-v8 h1{font-size:38px}
  .library-search-hub{padding:22px 14px;border-radius:20px}.library-search-title h2{font-size:23px}.library-search-box-v8{border-radius:15px;padding-left:11px}.library-search-box-v8 input{font-size:13px}
  .library-controls-v8{padding:11px}.library-controls-v8 .library-tabs{overflow:auto;justify-content:flex-start;flex-wrap:nowrap;padding-bottom:3px}.library-controls-v8 .library-tab-btn{white-space:nowrap}
  .library-controls-v8 .library-control-row{display:grid;grid-template-columns:1fr 1fr}.library-sync-btn{grid-column:1/-1}
  .discipline-shelves{grid-template-columns:1fr 1fr}.shelf-copy strong{font-size:11px}
  .books-grid-v8{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.book-card-v8{padding:8px}.book-card-v8 .book-summary{display:none}.book-card-v8 .book-discipline-links{display:none}.book-card-v8 .book-title{font-size:12px;min-height:31px}.book-card-v8 .book-author{font-size:9px}.book-card-v8 .book-actions{grid-template-columns:1fr}.book-card-v8 .book-actions .btn-secondary{display:none}
  .library-central-note{grid-template-columns:1fr;padding:20px}.library-central-note .btn{width:100%}
  .discipline-library-link-v8{grid-template-columns:36px minmax(0,1fr) auto;padding:10px;gap:9px}.linked-book-type{grid-column:2}.linked-book-arrow{font-size:0}.linked-book-arrow:after{content:'›';font-size:20px}.linked-book-main strong{font-size:12px}
}
@media(max-width:430px){
  .library-hero-v8 h1{font-size:34px}.library-hero-v8 p{font-size:13px}.library-live-v8{padding:14px}
  .library-stats-v8{grid-template-columns:repeat(2,1fr)}
  .discipline-shelves{grid-template-columns:1fr}
  .books-grid-v8{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.book-card-v8 .book-cover-fallback{padding:12px}.book-card-v8 .book-cover-fallback strong{font-size:12px}.book-card-v8 .book-line-top{gap:3px}.book-card-v8 .library-badge{font-size:7px;padding:3px 5px}
}