:root{
  --paper:#F7F5F0; --card:#FFFFFF; --ink:#222725; --green:#284A42; --terra:#A75E3B;
  --line:#D8D4CC; --beige:#EEE9DF; --link:#315F73; --muted:#5F6663; --max:1180px;
  --shadow:0 8px 28px rgba(34,39,37,.08);
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,"Segoe UI",sans-serif;line-height:1.62}
img,video{max-width:100%;height:auto} audio{width:100%} a{color:var(--link);text-decoration-thickness:.08em;text-underline-offset:.16em}
a:hover{text-decoration-thickness:.14em} h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.18;color:var(--ink)}
h1{font-size:clamp(2rem,4.4vw,4.4rem);margin:.2em 0 .35em} h2{font-size:clamp(1.45rem,2.6vw,2.35rem)} h3{font-size:1.18rem}
p{max-width:78ch}.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:.7rem;z-index:999}
.skip-link:focus{left:.75rem;top:.75rem}.site-header{background:var(--green);color:#fff;position:relative;z-index:50}
.header-inner,.utility-inner,.footer-inner,.container,.hero-inner{width:min(var(--max),calc(100% - 2rem));margin:auto}
.header-inner{display:flex;align-items:center;gap:1.5rem;min-height:92px}.brand{display:flex;align-items:center;gap:.8rem;color:#fff;text-decoration:none;margin-right:auto}
.brand-logo{width:76px;height:58px;object-fit:contain;object-position:left center}.brand-text{display:flex;flex-direction:column}
.brand-title{font-family:Georgia,serif;font-size:1.18rem;font-weight:700}.brand-sub{font-size:.82rem;letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:.2rem}.main-nav a{color:#fff;text-decoration:none;padding:.65rem .72rem;border-radius:.35rem;font-size:.92rem}
.main-nav a:hover,.main-nav a[aria-current="page"]{background:rgba(255,255,255,.13)}.menu-toggle{display:none;background:#fff;border:0;border-radius:.35rem;padding:.6rem .85rem}
.utility-bar{background:#1f3934}.utility-inner{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;font-size:.82rem}
.principle{font-weight:700;letter-spacing:.09em}.utility-links{display:flex;gap:1rem}.utility-links a{color:#fff}
.hero{padding:4.6rem 0 3.2rem;background:linear-gradient(180deg,var(--beige),var(--paper))}
.hero-with-mark{display:grid;grid-template-columns:minmax(260px,.82fr) minmax(0,1.4fr);gap:3rem;align-items:center}.hero-mark img{width:100%;max-height:430px;object-fit:contain}
.hero-subtitle{font-size:clamp(1.1rem,2vw,1.45rem);max-width:70ch}.hero-intro,.lead{font-size:1.08rem;color:#3d4743}
.eyebrow,.source-code{font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--terra)}
.problem-panel{background:var(--card);border-left:5px solid var(--terra);padding:1.3rem 1.5rem;margin-top:1.6rem;box-shadow:var(--shadow)}
.problem-panel h2{margin:.25rem 0 1rem}.section{padding:3.7rem 0}.section-muted{background:var(--beige)}.page-shell{padding:2rem 0 4rem}
.breadcrumbs{font-size:.85rem;color:var(--muted);margin-bottom:2rem}.page-header,.source-header{margin-bottom:2rem}.source-header{border-bottom:1px solid var(--line);padding-bottom:1.5rem}
.button-row{display:flex;flex-wrap:wrap;gap:.7rem;align-items:center}.button,.button:visited{display:inline-flex;align-items:center;justify-content:center;background:var(--green);color:#fff;text-decoration:none;border:0;border-radius:.35rem;padding:.72rem 1rem;font-weight:700}
.button-secondary{background:var(--link)}.button-accent{background:var(--terra)}.button-large{padding:.95rem 1.25rem}
.card-grid,.source-grid,.prompt-grid,.stat-grid{display:grid;gap:1rem}.card-grid.four{grid-template-columns:repeat(4,1fr)}.card-grid.three{grid-template-columns:repeat(3,1fr)}
.action-card,.source-card,.prompt,.media-panel,.archive-note,.investigation-block{background:var(--card);border:1px solid var(--line);border-radius:.55rem;padding:1.25rem;box-shadow:0 4px 16px rgba(34,39,37,.04)}
.action-card{display:block;color:inherit;text-decoration:none}.action-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.card-number{font-size:.78rem;color:var(--terra);font-weight:700}.source-grid{grid-template-columns:repeat(3,1fr)}
.source-card{border-top:4px solid var(--line)}.source-card.main-source{border-top-color:var(--green)}.source-card.archive-source{border-top-color:var(--terra)}
.source-card h3{margin:.35rem 0}.mini-status{display:inline-block;font-size:.76rem;background:var(--beige);padding:.25rem .45rem;border-radius:.3rem}
.badge{display:inline-block;padding:.35rem .55rem;border-radius:999px;font-size:.78rem;font-weight:700}.badge-main{background:#e2ece7;color:#17382f}.badge-archive{background:#f2e5de;color:#703820}
.metadata-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:1.2rem 0 2rem}
.metadata-grid>div{background:var(--card);padding:1rem;display:flex;flex-direction:column;gap:.35rem}.metadata-grid strong{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em}
.document-image{margin:1.5rem 0}.document-image img{display:block;max-height:720px;margin:auto;border:1px solid var(--line);box-shadow:var(--shadow)}
.document-image figcaption{font-size:.82rem;color:var(--muted);text-align:center;margin-top:.5rem}.investigation-block,.media-panel,.archive-note{margin:1.5rem 0}
.prompt-grid{grid-template-columns:repeat(3,1fr)}.source-call{margin:2rem 0;padding:1.4rem;border-left:5px solid var(--terra);background:var(--beige)}
.source-chain{display:grid;gap:.7rem;margin:1.5rem 0 2rem}.source-step{display:flex;gap:1rem;align-items:center;background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);padding:1rem;text-decoration:none;color:inherit}
.source-step strong{min-width:72px;color:var(--terra)}.next-nav{display:flex;justify-content:space-between;gap:1rem;border-top:1px solid var(--line);margin-top:2rem;padding-top:1.2rem}
.flow{display:flex;gap:.55rem;flex-wrap:wrap;align-items:center}.flow span{background:#fff;border:1px solid var(--line);padding:.45rem .65rem;border-radius:.35rem}
.filter-panel{background:#fff;border:1px solid var(--line);padding:1.2rem;margin:1.5rem 0 2rem}.filter-panel label{display:block;font-weight:700;margin-bottom:.35rem}
input[type=search],textarea,input[type=text]{width:100%;font:inherit;padding:.75rem;border:1px solid #9aa09d;border-radius:.3rem;background:#fff;color:var(--ink)}
textarea{resize:vertical}.filter-buttons{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1rem}.filter-buttons button{font:inherit;border:1px solid var(--green);background:#fff;color:var(--green);padding:.55rem .75rem;border-radius:.35rem;cursor:pointer}
.filter-buttons button.is-active{background:var(--green);color:#fff}.small-note{font-size:.82rem;color:var(--muted)}
.stat-grid{grid-template-columns:repeat(4,1fr);margin:1.5rem 0}.stat-grid div{background:#fff;border:1px solid var(--line);padding:1rem}.stat-grid strong{display:block;font:700 2rem Georgia,serif;color:var(--green)}
.glossary-list dt{font:bold 1.2rem Georgia,serif;margin-top:1.2rem}.glossary-list dd{margin:.25rem 0 0;padding-left:1rem;border-left:3px solid var(--line)}
.lesson-list article{border-left:4px solid var(--green);background:#fff;padding:1rem 1.2rem;margin:.8rem 0}.media-status{padding:.65rem;background:var(--beige);border-radius:.3rem}
.site-footer{background:#182c27;color:#e9efec;padding:2rem 0}.site-footer a{color:#fff}.site-footer p{font-size:.88rem}
:focus-visible{outline:3px solid #d5a227;outline-offset:3px}
@media(max-width:900px){
 .menu-toggle{display:block}.main-nav{display:none;position:absolute;top:88px;left:1rem;right:1rem;background:#17332c;padding:.6rem;flex-direction:column;align-items:stretch}
 .main-nav.is-open{display:flex}.main-nav a{padding:.8rem}
 .hero-with-mark{grid-template-columns:1fr}.hero-mark{text-align:center}.hero-mark img{max-height:290px}
 .card-grid.four,.card-grid.three,.source-grid,.prompt-grid,.stat-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
 .header-inner{min-height:76px}.brand-logo{width:58px;height:48px}.brand-title{font-size:1rem}.brand-sub{font-size:.68rem}
 .main-nav{top:76px}.utility-inner{flex-direction:column}.hero{padding:2.4rem 0}.hero-mark img{max-height:230px}
 .card-grid.four,.card-grid.three,.source-grid,.prompt-grid,.stat-grid,.metadata-grid{grid-template-columns:1fr}
 h1{font-size:2.25rem}.button-row{align-items:stretch}.button{width:100%}.next-nav{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{
 .site-header,.site-footer,.menu-toggle,.filter-panel,.button-row,.next-nav{display:none!important}
 body{background:#fff;color:#000}.page-shell{padding:0}.action-card,.source-card,.prompt,.media-panel,.archive-note,.investigation-block{box-shadow:none}
 a{color:#000;text-decoration:none}
}

/* Atualização pública de mídia e glossário integral */
.media-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1rem}.media-item{background:var(--paper);border:1px solid var(--line);border-radius:.45rem;padding:1rem}.drive-media-frame{width:100%;border:1px solid var(--line);border-radius:.35rem;background:#fff}.drive-audio-frame{height:150px}.drive-video-frame{aspect-ratio:16/9;height:auto;min-height:220px}.media-item .text-link{display:inline-block;margin-top:.6rem}.glossary-tools{background:#fff;border:1px solid var(--line);padding:1.2rem;margin:1.5rem 0}.glossary-tools label{display:block;font-weight:700;margin-bottom:.35rem}.glossary-alpha{display:flex;flex-wrap:wrap;gap:.45rem;margin:1rem 0 2rem}.glossary-alpha a{display:inline-flex;align-items:center;justify-content:center;min-width:2.2rem;padding:.35rem .55rem;background:var(--beige);border:1px solid var(--line);border-radius:.3rem;text-decoration:none;font-weight:700}.glossary-letter{scroll-margin-top:1rem;margin:2rem 0}.glossary-letter>h2{border-bottom:2px solid var(--green);padding-bottom:.35rem}.glossary-entry{background:#fff;border:1px solid var(--line);border-left:4px solid var(--green);padding:1rem 1.15rem;margin:.75rem 0}.glossary-entry h3{margin:.1rem 0 .55rem;color:var(--green)}
@media(max-width:900px){.media-grid{grid-template-columns:1fr}.drive-video-frame{min-height:260px}}
@media(max-width:620px){.drive-video-frame{min-height:190px}.glossary-entry{padding:.9rem}}


/* Ajuste final de autoria e transparência documental */
.researcher-intro-card{display:grid;grid-template-columns:132px minmax(0,1fr);gap:1.25rem;align-items:center;background:rgba(255,255,255,.86);border:1px solid var(--line);border-left:4px solid var(--green);border-radius:.55rem;padding:1rem 1.15rem;margin:1.4rem 0;box-shadow:0 4px 16px rgba(34,39,37,.04)}
.researcher-photo-wrap{display:flex;justify-content:center}.researcher-photo{display:block;width:120px;aspect-ratio:4/5;object-fit:cover;object-position:center top;border-radius:.45rem;border:1px solid var(--line);background:var(--beige)}
.researcher-copy p{margin:.35rem 0}.researcher-name{font:700 1.38rem Georgia,"Times New Roman",serif;color:var(--ink)}.researcher-role{font-size:.9rem;font-weight:700;color:var(--green)}
.footer-author-credit{font-size:.84rem;color:#f1eee6}.image-documentary-meta{margin:1.2rem 0}.image-documentary-meta h2{font-size:1.25rem}.ethics-panel{background:var(--beige);border-left:4px solid var(--terra);padding:1.1rem 1.25rem;margin:1.5rem 0}.ethics-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);max-width:700px}.ethics-meta>div{background:#fff;padding:.75rem 1rem}.ethics-meta dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700}.ethics-meta dd{margin:.2rem 0 0}
@media(max-width:620px){.researcher-intro-card{grid-template-columns:1fr;text-align:left}.researcher-photo-wrap{justify-content:flex-start}.researcher-photo{width:108px}.ethics-meta{grid-template-columns:1fr}}

/* Ajuste final de composição da página inicial: marca + autoria à esquerda; investigação à direita */
.hero-with-author{
  display:grid;
  grid-template-columns:minmax(300px,.8fr) minmax(0,1.5fr);
  gap:3rem;
  align-items:start;
}
.hero-left{
  display:flex;
  flex-direction:column;
  gap:1rem;
  min-width:0;
}
.hero-with-author .hero-mark{
  text-align:center;
  padding:.2rem .35rem;
}
.hero-with-author .hero-mark img{
  width:100%;
  max-height:320px;
  object-fit:contain;
}
.hero-with-author .researcher-intro-card{
  grid-template-columns:96px minmax(0,1fr);
  gap:.9rem;
  align-items:start;
  margin:0;
  padding:.9rem;
  background:rgba(255,255,255,.9);
}
.hero-with-author .researcher-photo-wrap{justify-content:flex-start}
.hero-with-author .researcher-photo{
  width:92px;
  aspect-ratio:4/5;
}
.hero-with-author .researcher-name{
  font-size:1.08rem;
  margin:.18rem 0 .28rem;
}
.hero-with-author .researcher-role{
  font-size:.8rem;
  line-height:1.35;
  margin:.15rem 0 .55rem;
}
.hero-with-author .researcher-presentation{
  font-size:.88rem;
  line-height:1.48;
  margin:.35rem 0 0;
}
.hero-with-author .hero-copy{
  padding-top:1.1rem;
  min-width:0;
}
.hero-with-author .hero-copy .problem-panel{
  margin-top:1.5rem;
}
@media(max-width:900px){
  .hero-with-author{grid-template-columns:1fr;gap:1.6rem}
  .hero-left{max-width:720px;margin:0 auto;width:100%}
  .hero-with-author .hero-mark img{max-height:280px}
  .hero-with-author .hero-copy{padding-top:0}
}
@media(max-width:620px){
  .hero-with-author{gap:1.25rem}
  .hero-with-author .hero-mark img{max-height:220px}
  .hero-with-author .researcher-intro-card{grid-template-columns:1fr;gap:.65rem;padding:.9rem}
  .hero-with-author .researcher-photo-wrap{justify-content:flex-start}
  .hero-with-author .researcher-photo{width:96px}
  .hero-with-author .researcher-presentation{font-size:.9rem}
}


/* V3 — exibição padronizada de imagens documentais + ampliação sob demanda */
.document-image,
.source-visual figure{
  text-align:center;
}
.document-image a{
  display:block;
  width:fit-content;
  max-width:100%;
  margin:0 auto;
  cursor:zoom-in;
}
.document-image img,
.source-visual figure > img{
  display:block;
  width:auto;
  max-width:min(100%,760px);
  max-height:480px;
  object-fit:contain;
  margin:0 auto;
  border:1px solid var(--line);
  border-radius:.35rem;
  box-shadow:var(--shadow);
  background:#fff;
}
.document-image img{cursor:zoom-in}
.image-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:.7rem;
  margin:.85rem 0 1.5rem;
}
.image-dialog{
  width:min(1100px,94vw);
  max-width:94vw;
  max-height:94vh;
  border:0;
  border-radius:.55rem;
  padding:1rem;
  background:var(--card);
  color:var(--ink);
  box-shadow:0 18px 60px rgba(0,0,0,.35);
}
.image-dialog::backdrop{background:rgba(18,25,22,.78)}
.image-dialog .dialog-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  margin-bottom:.75rem;
  border-bottom:1px solid var(--line);
  padding-bottom:.65rem;
}
.image-dialog .dialog-head h2{margin:0;font-size:1.25rem}
.image-dialog .dialog-close{
  appearance:none;
  border:0;
  border-radius:.35rem;
  background:var(--green);
  color:#fff;
  font:inherit;
  font-weight:700;
  padding:.55rem .85rem;
  cursor:pointer;
}
.image-dialog > img,
.image-dialog .lightbox-image{
  display:block;
  width:auto;
  max-width:100%;
  max-height:80vh;
  object-fit:contain;
  margin:0 auto;
  background:#111;
}
@media(max-width:620px){
  .document-image img,
  .source-visual figure > img{max-height:360px}
  .image-dialog{width:96vw;max-width:96vw;padding:.7rem}
  .image-dialog > img,
  .image-dialog .lightbox-image{max-height:76vh}
}


/* V4 — marcas institucionais PROFHISTÓRIA e UESPI no cabeçalho */
.header-inner{position:relative}
.brand{margin-right:0}
.institutional-logos{
  display:flex;
  align-items:center;
  gap:.65rem;
  flex:0 0 auto;
  background:#fff;
  border:1px solid rgba(255,255,255,.35);
  border-radius:.42rem;
  padding:.38rem .58rem;
  line-height:1;
}
.institutional-logo{
  display:block;
  width:auto;
  object-fit:contain;
  object-position:center;
}
.institutional-logo-profhistoria{height:30px;max-width:150px}
.institutional-logo-uespi{height:38px;max-width:122px}
.institutional-divider{width:1px;height:34px;background:#d8d4cc;flex:0 0 1px}
.main-nav{margin-left:auto}
@media(max-width:1080px){
  .menu-toggle{display:block;margin-left:auto}
  .main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#17332c;
    padding:.6rem;
    flex-direction:column;
    align-items:stretch;
    margin-left:0;
    box-shadow:0 8px 22px rgba(0,0,0,.18);
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:.8rem}
}
@media(max-width:700px){
  .header-inner{
    flex-wrap:wrap;
    gap:.55rem 1rem;
    min-height:auto;
    padding:.6rem 0 .7rem;
  }
  .brand{order:1;margin-right:auto}
  .menu-toggle{order:2;margin-left:0}
  .institutional-logos{
    order:3;
    width:100%;
    justify-content:center;
    padding:.34rem .5rem;
  }
  .main-nav{order:4;top:100%}
  .institutional-logo-profhistoria{height:27px;max-width:138px}
  .institutional-logo-uespi{height:34px;max-width:112px}
  .institutional-divider{height:30px}
}
@media(max-width:420px){
  .institutional-logos{gap:.45rem;padding:.3rem .38rem}
  .institutional-logo-profhistoria{height:24px;max-width:124px}
  .institutional-logo-uespi{height:30px;max-width:100px}
  .institutional-divider{height:27px}
}