/* ============================================================================
   Saint Alcuin — Repositório Acadêmico
   Estética alinhada à identidade oficial do site (azul institucional)
   ============================================================================ */

:root {
  --primary:   #0b2a4a;
  --secondary: #145da0;
  --text:      #2b2b2b;
  --light:     #f5f7fa;
  --white:     #ffffff;
  --gray:      #6b7280;
  --border:    #dde3ea;
  --green:     #166534;
  --green-bg:  #dcfce7;
  --red:       #c1121f;
  --red-bg:    #fee2e2;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--light);
  color: var(--text);
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  line-height: 1.6;
}

/* ============================================================================
   HEADER (cópia fiel do site oficial + toggle PT/EN)
   ============================================================================ */
header.site-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #fff; position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.header-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  height: 68px; display: flex; align-items: center;
  justify-content: space-between; gap: 20px;
}
.header-logo { display: flex; flex-direction: column; text-decoration: none; color: #fff; }
.header-logo-name { font-size: 1rem; font-weight: 700; letter-spacing: 0.01em; }
.header-logo-sub { font-size: 0.58rem; opacity: 0.72; letter-spacing: 0.12em; text-transform: uppercase; margin-top: 1px; }

.header-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  color: rgba(255,255,255,.88); text-decoration: none;
  font-size: 0.84rem; font-weight: 500; padding: 8px 16px;
  border-radius: 6px; transition: all .15s;
}
.nav-link:hover, .nav-link.active { background: rgba(255,255,255,.12); color: #fff; }

.lang-pill {
  display: inline-flex;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.22);
  border-radius: 6px; overflow: hidden;
  margin: 0 6px;
}
.lang-btn {
  background: transparent; border: 0;
  color: rgba(255,255,255,.7);
  font: 600 0.72rem "Segoe UI", sans-serif;
  letter-spacing: .08em;
  padding: 6px 10px;
  cursor: pointer; transition: all .15s;
}
.lang-btn:hover { color: #fff; }
.lang-btn.active { background: rgba(255,255,255,.22); color: #fff; }

.btn-area-aluno {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.13); color: #fff;
  border: 1.5px solid rgba(255,255,255,.38);
  padding: 9px 20px; border-radius: 6px;
  font-size: 0.84rem; font-weight: 600;
  text-decoration: none; transition: all .2s; white-space: nowrap;
  margin-left: 6px;
}
.btn-area-aluno:hover {
  background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.65);
  transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,.15);
}
.btn-aa-dot { width: 8px; height: 8px; border-radius: 50%; background: #4ade80; flex-shrink: 0; }

/* ============================================================================
   HERO da página de repositório
   ============================================================================ */
.hero {
  background: linear-gradient(160deg, var(--primary) 0%, #1a4f8a 55%, var(--secondary) 100%);
  color: #fff; padding: 56px 32px 64px; text-align: center;
}
.hero-eyebrow { font-size: 0.72rem; letter-spacing: 0.25em; text-transform: uppercase; opacity: 0.75; margin-bottom: 14px; }
.hero h1 { font-size: 2.2rem; font-weight: 700; margin-bottom: 12px; line-height: 1.2; }
.hero p { font-size: 0.98rem; opacity: .9; max-width: 620px; margin: 0 auto; line-height: 1.7; }

/* ============================================================================
   CONTEÚDO PRINCIPAL
   ============================================================================ */
section.content {
  max-width: 1100px; margin: 0 auto; padding: 36px 28px 52px;
}

/* Toolbar (busca + filtros) */
.toolbar {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  padding: 18px 22px;
  margin-bottom: 24px;
  display: flex; align-items: center; gap: 18px; flex-wrap: wrap;
}
.search {
  flex: 1; min-width: 280px;
  display: flex; align-items: center; gap: 10px;
  background: var(--light);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  transition: border-color .15s, background .15s;
}
.search:focus-within { border-color: var(--secondary); background: #fff; box-shadow: 0 0 0 3px rgba(20,93,160,.1); }
.search__icon { color: var(--secondary); font-size: .95rem; flex-shrink: 0; }
.search input {
  flex: 1; border: 0; outline: 0; background: transparent;
  font-family: inherit; font-size: .9rem; color: var(--text);
}
.search input::placeholder { color: #aab0ba; }

.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  background: var(--light); border: 1.5px solid var(--border);
  color: var(--gray);
  font: 600 .72rem "Segoe UI", sans-serif;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 8px 14px; border-radius: 6px; cursor: pointer;
  transition: all .15s;
}
.filter-btn:hover { color: var(--primary); border-color: var(--secondary); }
.filter-btn.active {
  background: var(--secondary); color: #fff;
  border-color: var(--secondary);
}

/* ============================================================================
   LISTAGEM DE OBRAS (cards)
   ============================================================================ */
.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}

.work-card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  border: 1.5px solid transparent;
  padding: 22px 24px;
  text-decoration: none; color: var(--text);
  display: flex; flex-direction: column;
  transition: all .2s;
}
.work-card:hover {
  border-color: var(--secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,.1);
}

.work-card__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.work-card__type {
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--secondary);
}
.work-card__type.tese { color: var(--red); }
.work-card__year {
  font-size: .8rem; font-weight: 700;
  color: var(--gray);
  background: var(--light);
  padding: 3px 10px; border-radius: 20px;
}
.work-card__title {
  font-size: 1.05rem; font-weight: 700;
  color: var(--primary); line-height: 1.35;
  margin-bottom: 12px;
}
.work-card__meta {
  font-size: .82rem;
  color: var(--gray);
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: auto;
  display: grid; gap: 4px;
}
.work-card__meta b { color: var(--primary); font-weight: 600; }
.work-card__cta {
  margin-top: 14px;
  font-size: .78rem; font-weight: 600; color: var(--secondary);
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: border-color .15s;
}
.work-card:hover .work-card__cta { border-bottom-color: var(--secondary); }
.work-card__id {
  font-size: .62rem; color: var(--gray);
  font-family: "SF Mono", Consolas, monospace;
  letter-spacing: .05em; margin-top: 6px;
}

.empty-state {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  padding: 60px 30px; text-align: center;
  color: var(--gray);
}
.empty-state h3 { color: var(--primary); margin-bottom: 8px; font-size: 1.1rem; }

.loading-state {
  text-align: center; padding: 60px 20px; color: var(--gray);
  font-size: .9rem;
}
.loading-state::after {
  content: '...';
  animation: dots 1.4s steps(4, end) infinite;
}
@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* ============================================================================
   FICHA INDIVIDUAL
   ============================================================================ */
.ficha-page { max-width: 1100px; margin: 0 auto; padding: 36px 28px 52px; }

.breadcrumb {
  font-size: .82rem; color: var(--gray); margin-bottom: 22px;
}
.breadcrumb a {
  color: var(--secondary); text-decoration: none; font-weight: 600;
}
.breadcrumb a:hover { text-decoration: underline; }

.ficha-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 32px;
  align-items: start;
}
@media (max-width: 900px) {
  .ficha-grid { grid-template-columns: 1fr; gap: 22px; }
}

.ficha-sidebar {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  overflow: hidden;
  position: sticky; top: 88px;
}
@media (max-width: 900px) {
  .ficha-sidebar { position: static; }
}
.ficha-sidebar__top {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 22px 26px; color: #fff;
}
.ficha-type {
  display: inline-block;
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; padding: 3px 10px;
  background: rgba(255,255,255,.2); border-radius: 20px;
  margin-bottom: 10px;
}
.ficha-title {
  font-size: 1.2rem; font-weight: 700;
  line-height: 1.3; margin-bottom: 10px;
}
.ficha-record-id {
  font-size: .68rem; opacity: .7;
  font-family: "SF Mono", Consolas, monospace;
  letter-spacing: .08em;
}

.ficha-meta {
  padding: 8px 26px 22px;
}
.meta-row {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.meta-row:last-child { border-bottom: 0; }
.meta-label {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--secondary); margin-bottom: 5px;
}
.meta-value { font-size: .92rem; color: var(--text); line-height: 1.5; }
.meta-value ul { padding-left: 18px; margin-top: 3px; }
.meta-value li { padding: 2px 0; font-size: .88rem; }

.docs-list { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }
.docs-list a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  font-size: .85rem; font-weight: 600;
  color: var(--primary); text-decoration: none;
  transition: all .15s;
}
.docs-list a:hover {
  border-color: var(--secondary);
  background: #eef4fb;
  transform: translateX(2px);
}
.docs-list .docs-ext {
  color: var(--secondary);
  font-weight: 700;
  font-size: 0.9rem;
}

.ficha-actions {
  padding: 16px 26px 22px;
  border-top: 1px solid var(--border);
  background: var(--light);
}
.btn-download {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%;
  background: var(--secondary); color: #fff;
  font: 700 .9rem "Segoe UI", sans-serif;
  padding: 13px; border-radius: 6px;
  text-decoration: none; transition: all .2s;
  border: 0; cursor: pointer;
}
.btn-download:hover {
  background: #1068b5; transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(20,93,160,.3);
}
.btn-back {
  display: block; text-align: center;
  margin-top: 10px;
  font-size: .8rem; color: var(--gray);
  text-decoration: none; font-weight: 600;
}
.btn-back:hover { color: var(--secondary); }

.ficha-main {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  overflow: hidden;
}
.ficha-viewer {
  width: 100%;
  height: 760px;
  background: var(--light);
  border: 0;
  display: block;
}
.ficha-abstract {
  padding: 26px 28px;
  border-top: 1px solid var(--border);
}
.ficha-abstract h3 {
  font-size: .72rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--secondary); margin-bottom: 10px;
}
.ficha-abstract p {
  font-size: .92rem; color: var(--text); line-height: 1.7;
}
.ficha-note {
  padding: 14px 28px 22px;
  font-size: .78rem; color: var(--gray);
  font-style: italic;
  border-top: 1px solid var(--border);
}

/* ============================================================================
   FOOTER + WHATSAPP (cópia fiel do site oficial)
   ============================================================================ */
footer.site-footer {
  background: var(--primary); color: #fff;
  padding: 36px 28px; font-size: .84rem;
  margin-top: 32px;
}
footer.site-footer p {
  max-width: 1000px; margin: 0 auto;
  opacity: .85; text-align: center; line-height: 1.7;
}

.whatsapp-float {
  position: fixed; bottom: 22px; right: 22px;
  background: #25D366;
  width: 54px; height: 54px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 14px rgba(0,0,0,.22); z-index: 999;
  transition: transform .2s;
}
.whatsapp-float:hover { transform: scale(1.08); }

@media (max-width: 600px) {
  .header-inner { padding: 0 16px; }
  .nav-link { display: none; }
  .lang-pill { margin-left: auto; }
  .hero { padding: 40px 20px 48px; }
  .hero h1 { font-size: 1.6rem; }
  section.content, .ficha-page { padding: 24px 18px 36px; }
  .works-grid { grid-template-columns: 1fr; }
  .toolbar { padding: 14px; }
}

/* ============================================================================
   ADMIN — login
   ============================================================================ */
.admin-shell { min-height: 100vh; display: flex; flex-direction: column; }

.admin-login-wrap {
  flex: 1;
  display: grid; place-items: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, #eef4fb 0%, var(--light) 100%);
}

.admin-login-card {
  width: 100%; max-width: 420px;
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 6px 24px rgba(0,0,0,.1);
  overflow: hidden;
}
.admin-login-card__top {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 22px 28px; color: #fff;
}
.admin-login-card__top h2 { font-size: 1.1rem; font-weight: 700; margin-bottom: 3px; }
.admin-login-card__top p { font-size: .72rem; opacity: .82; letter-spacing: .08em; text-transform: uppercase; }

.admin-login-card__body { padding: 28px; }

.form-group { margin-bottom: 14px; }
.form-group label {
  display: block; font-size: .76rem; font-weight: 600;
  color: var(--primary); margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: var(--light);
  border: 1.5px solid var(--border); border-radius: 6px;
  color: var(--text);
  font: .87rem "Segoe UI", sans-serif;
  padding: 10px 12px; outline: none;
  transition: border-color .15s, background .15s;
  appearance: none; -webkit-appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23145da0' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center;
  padding-right: 34px; cursor: pointer;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--secondary); background: #fff;
  box-shadow: 0 0 0 3px rgba(20,93,160,.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #aab0ba; }
.form-group textarea { resize: vertical; min-height: 82px; line-height: 1.6; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

.btn-submit {
  width: 100%; background: var(--secondary); color: #fff;
  font: 700 .9rem "Segoe UI", sans-serif;
  padding: 13px; border: none; border-radius: 6px;
  cursor: pointer; transition: all .2s;
}
.btn-submit:hover {
  background: #1068b5; transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(20,93,160,.3);
}
.btn-submit:disabled {
  background: var(--gray); cursor: wait; transform: none; box-shadow: none;
}

.alert {
  padding: 12px 14px; border-radius: 6px; margin-bottom: 14px;
  font-size: .85rem;
  background: var(--red-bg); color: var(--red);
  border-left: 3px solid var(--red);
}
.alert--ok {
  background: var(--green-bg); color: var(--green);
  border-left-color: var(--green);
}

/* ============================================================================
   ADMIN — painel
   ============================================================================ */
.admin-page {
  max-width: 1200px; margin: 0 auto;
  padding: 36px 28px 52px;
}

.admin-head {
  display: flex; justify-content: space-between; align-items: end;
  flex-wrap: wrap; gap: 16px;
  padding-bottom: 18px; margin-bottom: 28px;
  border-bottom: 2px solid var(--secondary);
}
.admin-head h1 {
  color: var(--primary); font-size: 1.65rem; font-weight: 700;
}
.admin-head h1 small {
  display: block;
  font-size: .68rem; font-weight: 600; letter-spacing: .14em;
  text-transform: uppercase; color: var(--secondary);
  margin-bottom: 4px;
}
.admin-head__user {
  font-size: .82rem; color: var(--gray);
  display: flex; align-items: center; gap: 12px;
}
.admin-head__user b { color: var(--primary); font-weight: 600; }

.btn-logout {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--gray);
  font: 600 .76rem "Segoe UI", sans-serif;
  padding: 8px 14px; border-radius: 6px;
  cursor: pointer; transition: all .15s;
}
.btn-logout:hover {
  border-color: var(--red); color: var(--red);
}

.admin-grid {
  display: grid;
  grid-template-columns: 480px 1fr;
  gap: 28px;
}
@media (max-width: 980px) { .admin-grid { grid-template-columns: 1fr; } }

.section-card {
  background: var(--white);
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0,0,0,.07);
  overflow: hidden;
}
.section-card__top {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  padding: 16px 22px; color: #fff;
}
.section-card__top h2 { font-size: 1rem; font-weight: 700; }
.section-card__top p { font-size: .7rem; opacity: .82; margin-top: 2px; }
.section-card__body { padding: 22px; }

.records-list { display: flex; flex-direction: column; gap: 12px; }
.record-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 14px; align-items: center;
  padding: 14px 16px;
  background: var(--light);
  border-radius: 8px;
  border-left: 3px solid var(--secondary);
  transition: all .15s;
}
.record-item.tese { border-left-color: var(--red); }
.record-item:hover { box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.record-item__year {
  font-size: 1.4rem; font-weight: 700;
  color: var(--primary); line-height: 1;
  text-align: center;
}
.record-item__year small {
  display: block;
  font-size: .55rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--secondary); margin-top: 4px;
}
.record-item.tese .record-item__year small { color: var(--red); }
.record-item__title {
  font-size: .95rem; font-weight: 700;
  color: var(--primary); line-height: 1.35;
  margin-bottom: 4px;
}
.record-item__meta {
  font-size: .78rem; color: var(--gray); line-height: 1.4;
}
.record-item__meta a { color: var(--secondary); text-decoration: none; font-weight: 600; }
.record-item__meta a:hover { text-decoration: underline; }
.record-item__delete {
  background: transparent; border: 1.5px solid var(--border);
  color: var(--gray);
  font: 600 .68rem "Segoe UI", sans-serif;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 10px; border-radius: 6px;
  cursor: pointer; transition: all .15s;
}
.record-item__delete:hover {
  border-color: var(--red); color: var(--red);
  background: var(--red-bg);
}

.admin-empty {
  text-align: center; padding: 36px 20px;
  color: var(--gray); font-size: .88rem; font-style: italic;
}