/* ============================================================
   BIBLIOTECA VIRTUAL UOR — DESIGN SYSTEM & FRAMEWORK VISUAL
   Universidade Óscar Ribas | Padrão Académico de Excelência
   Identidade: Laranja (#FF671F) e Grafite / Cinzento Escuro (#12151B / #1A1E24)
   ============================================================ */

/* Fonts loaded via <link> in HTML head for non-render-blocking */

/* ---------- 1. Design Tokens & Variáveis Globais ---------- */
:root {
  /* Laranja Institucional UOR */
  --uor-primary: #FF671F;
  --uor-primary-hover: #e55613;
  --uor-primary-dark: #c94607;
  --uor-primary-soft: rgba(255, 103, 31, 0.09);
  --uor-primary-glow: rgba(255, 103, 31, 0.25);
  --uor-primary-subtle: #fff6f0;
  
  /* Escala de Cinzentos Escuros Institucionais */
  --uor-dark-900: #0a0c10;
  --uor-dark-800: #12151b;
  --uor-dark-700: #1a1e24;
  --uor-dark-600: #222730;
  --uor-dark-500: #2d3440;
  --uor-dark-400: #3f4756;
  
  /* Escala de Cinzentos Neutros & Claros */
  --uor-gray-deep: #1e293b;
  --uor-gray-dark: #475569;
  --uor-gray-muted: #64748b;
  --uor-gray-light: #94a3b8;
  --uor-gray-border: #e2e8f0;
  --uor-gray-bg: #f1f5f9;
  --uor-bg: #f6f8fb;
  --uor-card-bg: #ffffff;
  --uor-secondary: #ffffff;
  
  /* Estados e Alertas */
  --uor-success: #10b981;
  --uor-success-soft: rgba(16, 185, 129, 0.1);
  --uor-info: #0284c7;
  --uor-info-soft: rgba(2, 132, 199, 0.1);
  --uor-warning: #f59e0b;
  --uor-warning-soft: rgba(245, 158, 11, 0.1);
  --uor-danger: #ef4444;
  --uor-danger-soft: rgba(239, 68, 68, 0.1);

  /* Dimensões e Efeitos */
  --uor-radius-xs: 6px;
  --uor-radius-sm: 8px;
  --uor-radius-md: 12px;
  --uor-radius-lg: 16px;
  --uor-radius-xl: 24px;
  --uor-radius-full: 9999px;
  
  --uor-shadow-xs: 0 1px 3px rgba(18, 21, 27, 0.05);
  --uor-shadow-sm: 0 2px 8px rgba(18, 21, 27, 0.06);
  --uor-shadow-md: 0 8px 24px -4px rgba(18, 21, 27, 0.08), 0 2px 6px -1px rgba(18, 21, 27, 0.04);
  --uor-shadow-lg: 0 20px 40px -12px rgba(18, 21, 27, 0.12), 0 4px 12px -2px rgba(18, 21, 27, 0.04);
  
  --uor-transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --uor-font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- 2. Base Reset & Tipografia ---------- */
html, body {
  font-family: var(--uor-font-family);
  background-color: var(--uor-bg);
  color: var(--uor-gray-deep);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

body {
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--uor-font-family);
  font-weight: 700;
  color: var(--uor-dark-800);
  letter-spacing: -0.02em;
}

p {
  color: var(--uor-gray-dark);
}

.uor-link {
  color: var(--uor-primary);
  text-decoration: none;
  transition: var(--uor-transition);
}
.uor-link:hover {
  color: var(--uor-primary-hover);
}

::selection {
  background: rgba(255, 103, 31, 0.25);
  color: var(--uor-primary-dark);
}

/* ---------- 3. Header & Barra de Navegação Superior ---------- */
.uor-header {
  background: linear-gradient(180deg, var(--uor-dark-900) 0%, var(--uor-dark-800) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: sticky;
  top: 0;
  z-index: 1030;
  box-shadow: 0 4px 20px rgba(10, 12, 16, 0.35);
}

.uor-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
}

.uor-brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: #fff;
  transition: var(--uor-transition);
}
.uor-brand:hover {
  opacity: 0.95;
  color: #fff;
}

.uor-logo {
  height: 42px;
  width: auto;
  border-radius: var(--uor-radius-md);
  overflow: hidden;
  background: #ffffff;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.uor-brand-text {
  display: flex;
  flex-direction: column;
}
.uor-brand-text strong {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: #ffffff;
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}
.uor-brand-text strong .dot {
  width: 7px;
  height: 7px;
  background: var(--uor-primary);
  border-radius: 50%;
  display: inline-block;
}
.uor-brand-text small {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.65);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-top: 2px;
}

.badge-uor {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 103, 31, 0.12);
  color: var(--uor-primary);
  padding: 0.4rem 1.1rem;
  border-radius: var(--uor-radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  border: 1px solid rgba(255, 103, 31, 0.28);
  text-transform: uppercase;
}

.uor-header-nav {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(18, 21, 27, 0.75);
}

.uor-navbar {
  padding: 0;
  width: 100%;
}

.uor-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 0.35rem;
  align-items: center;
  width: 100%;
}

.uor-nav li {
  display: flex;
}

.uor-nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--uor-radius-sm);
  transition: var(--uor-transition);
  position: relative;
  white-space: nowrap;
}
.uor-nav-link i {
  font-size: 1rem;
  opacity: 0.85;
}
.uor-nav-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
}
.uor-nav-link:hover i {
  color: var(--uor-primary);
  opacity: 1;
}

.uor-nav-link.active {
  color: #ffffff;
  background: rgba(255, 103, 31, 0.2);
  border: 1px solid rgba(255, 103, 31, 0.4);
}
.uor-nav-link.active i {
  color: var(--uor-primary);
  opacity: 1;
}

.nav-right {
  margin-left: auto;
}

/* ---------- 3b. Perfil do Utilizador (Dropdown) ---------- */
.uor-profile-wrap {
  position: relative;
  display: inline-flex;
  margin-left: auto;
}

.uor-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--uor-radius-sm);
  padding: 0.4rem 0.85rem;
  color: rgba(255, 255, 255, 0.9);
  cursor: pointer;
  transition: var(--uor-transition);
  font-family: var(--uor-font-family);
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
}
.uor-profile-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}
.uor-profile-btn .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--uor-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 700;
  flex-shrink: 0;
}
.uor-profile-btn .profile-nome {
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.uor-profile-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 240px;
  background: var(--uor-card-bg);
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-md);
  box-shadow: var(--uor-shadow-lg);
  z-index: 1050;
  padding: 0.5rem 0;
  animation: uorDropIn 0.18s ease;
}
.uor-profile-wrap.aberto .uor-profile-dropdown,
.uor-profile-dropdown.show {
  display: block;
}
@keyframes uorDropIn {
  from { opacity: 0; transform: translateY(-6px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.dropdown-header-custom {
  padding: 0.75rem 1rem 0.6rem;
  border-bottom: 1px solid var(--uor-gray-border);
  margin-bottom: 0.25rem;
}
.dropdown-header-custom .dd-nome {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--uor-dark-800);
  line-height: 1.3;
}
.dropdown-header-custom .dd-email {
  display: block;
  font-size: 0.78rem;
  color: var(--uor-gray-muted);
  margin-top: 2px;
}

.dropdown-item-custom {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--uor-dark-600);
  text-decoration: none;
  transition: var(--uor-transition);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}
.dropdown-item-custom i {
  font-size: 1rem;
  width: 1.1rem;
  text-align: center;
  color: var(--uor-gray-muted);
  flex-shrink: 0;
}
.dropdown-item-custom:hover {
  background: var(--uor-primary-soft);
  color: var(--uor-primary);
}
.dropdown-item-custom:hover i {
  color: var(--uor-primary);
}
.dropdown-item-custom.text-danger {
  color: var(--uor-danger);
}
.dropdown-item-custom.text-danger i {
  color: var(--uor-danger);
}
.dropdown-item-custom.text-danger:hover {
  background: var(--uor-danger-soft);
  color: var(--uor-danger);
}

.dropdown-divider {
  height: 0;
  margin: 0.35rem 0;
  border-top: 1px solid var(--uor-gray-border);
}

/* Senha toggle (input com ícone) */
.senha-wrap {
  position: relative;
}
.senha-wrap .form-control {
  padding-right: 2.5rem;
}
.senha-toggle {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  cursor: pointer;
  color: var(--uor-gray-muted);
  font-size: 1rem;
  z-index: 2;
  transition: var(--uor-transition);
  background: none;
  border: none;
  padding: 0;
  line-height: 1;
}
.senha-toggle:hover {
  color: var(--uor-primary);
}

/* ---------- 4. Hero Section Académica & Pesquisa Proeminente ---------- */
.uor-hero {
  background: linear-gradient(145deg, var(--uor-dark-900) 0%, var(--uor-dark-800) 65%, var(--uor-dark-700) 100%);
  color: #ffffff;
  padding: 3rem 0 3.25rem 0;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.uor-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  padding: 0.35rem 0.95rem;
  border-radius: var(--uor-radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.uor-hero-badge i {
  color: var(--uor-primary);
}

.uor-hero-title {
  font-size: 2.4rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 0.65rem;
  letter-spacing: -0.03em;
}
.uor-hero-title span {
  color: var(--uor-primary);
}

.uor-hero-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 680px;
  margin: 0 auto 1.75rem auto;
}

/* Caixa de Pesquisa Hero */
.uor-search-box {
  background: #ffffff;
  border-radius: var(--uor-radius-md);
  padding: 0.45rem;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  max-width: 760px;
  margin: 0 auto;
  transition: var(--uor-transition);
}
.uor-search-box:focus-within {
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.38), 0 0 0 3px rgba(255, 103, 31, 0.35);
}

.uor-search-box .search-icon {
  font-size: 1.25rem;
  color: var(--uor-primary);
  margin-left: 0.85rem;
}

.uor-search-box input {
  border: none;
  outline: none;
  box-shadow: none;
  font-size: 1rem;
  color: var(--uor-dark-800);
  font-weight: 500;
  padding: 0.6rem 0.5rem;
  background: transparent;
  flex: 1;
}
.uor-search-box input::placeholder {
  color: var(--uor-gray-light);
}

/* Quick Filter Chips */
.uor-quick-chips {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}
.uor-chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--uor-radius-full);
  cursor: pointer;
  transition: var(--uor-transition);
}
.uor-chip:hover, .uor-chip.active {
  background: var(--uor-primary);
  color: #ffffff;
  border-color: var(--uor-primary);
  box-shadow: 0 4px 12px rgba(255, 103, 31, 0.3);
}

/* ---------- 5. Painéis de Filtro & Formulários ---------- */
.uor-filtros {
  background: var(--uor-card-bg);
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-md);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--uor-shadow-sm);
  transition: var(--uor-transition);
}

.uor-card {
  background: var(--uor-card-bg);
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-md);
  box-shadow: var(--uor-shadow-sm);
  transition: var(--uor-transition);
}

.uor-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--uor-dark-500);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.uor-input, .form-control, .form-select {
  border: 1.5px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-sm);
  padding: 0.55rem 0.85rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--uor-dark-800);
  background-color: #ffffff;
  transition: var(--uor-transition);
}
.uor-input:focus, .form-control:focus, .form-select:focus {
  border-color: var(--uor-primary);
  box-shadow: 0 0 0 3px rgba(255, 103, 31, 0.16);
  outline: none;
}

/* ---------- 6. Botões e Ações ---------- */
.uor-btn {
  background: linear-gradient(135deg, var(--uor-primary) 0%, var(--uor-primary-hover) 100%);
  color: #ffffff;
  border: none;
  padding: 0.6rem 1.4rem;
  border-radius: var(--uor-radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  box-shadow: 0 4px 12px rgba(255, 103, 31, 0.25);
  transition: var(--uor-transition);
  cursor: pointer;
}
.uor-btn:hover {
  background: linear-gradient(135deg, var(--uor-primary-hover) 0%, var(--uor-primary-dark) 100%);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 103, 31, 0.35);
}

.uor-btn-sm {
  background: var(--uor-primary);
  color: #ffffff;
  border: none;
  padding: 0.45rem 1rem;
  border-radius: var(--uor-radius-xs);
  font-weight: 600;
  font-size: 0.82rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  box-shadow: 0 2px 6px rgba(255, 103, 31, 0.2);
  transition: var(--uor-transition);
  cursor: pointer;
}
.uor-btn-sm:hover {
  background: var(--uor-primary-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 103, 31, 0.3);
}

.uor-btn-outline {
  background: transparent;
  color: var(--uor-primary);
  border: 1.5px solid var(--uor-primary);
  padding: 0.58rem 1.35rem;
  border-radius: var(--uor-radius-sm);
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: var(--uor-transition);
  cursor: pointer;
}
.uor-btn-outline:hover {
  background: var(--uor-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255, 103, 31, 0.25);
}

.uor-btn-primary {
  background: linear-gradient(135deg, var(--uor-primary) 0%, var(--uor-primary-hover) 100%);
  color: #ffffff;
  border: 1px solid var(--uor-primary);
  box-shadow: 0 4px 12px rgba(255, 103, 31, 0.25);
}
.uor-btn-primary:hover {
  background: linear-gradient(135deg, var(--uor-primary-hover) 0%, var(--uor-primary-dark) 100%);
  color: #ffffff;
  border-color: var(--uor-primary-dark);
  transform: translateY(-2px);
}

.uor-btn-danger {
  background: linear-gradient(135deg, var(--uor-danger) 0%, #dc2626 100%);
  color: #ffffff;
  border: 1px solid var(--uor-danger);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.22);
}
.uor-btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  color: #ffffff;
  transform: translateY(-2px);
}

.uor-btn-icon {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--uor-gray-border);
  background: var(--uor-card-bg);
  color: var(--uor-dark-600);
  transition: var(--uor-transition);
  cursor: pointer;
}
.uor-btn-icon:hover {
  background: var(--uor-primary-soft);
  border-color: rgba(255, 103, 31, 0.25);
  color: var(--uor-primary);
  transform: translateY(-1px);
}

.uor-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}

.uor-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---------- 7. Badges & Indicadores de Estado ---------- */
.uor-badge {
  background: linear-gradient(135deg, var(--uor-primary) 0%, var(--uor-primary-hover) 100%);
  color: #ffffff;
  padding: 0.35rem 0.75rem;
  border-radius: var(--uor-radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.uor-badge-soft {
  background: var(--uor-primary-soft);
  color: var(--uor-primary-dark);
  padding: 0.32rem 0.7rem;
  border-radius: var(--uor-radius-xs);
  font-size: 0.75rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid rgba(255, 103, 31, 0.16);
}

.badge-dark-soft {
  background: var(--uor-gray-bg);
  color: var(--uor-dark-600);
  padding: 0.32rem 0.7rem;
  border-radius: var(--uor-radius-xs);
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--uor-gray-border);
}

.badge-disponivel {
  background: var(--uor-success-soft);
  color: var(--uor-success);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.3rem 0.65rem;
  border-radius: var(--uor-radius-full);
  font-size: 0.72rem;
  font-weight: 700;
}

/* ---------- 8. Cartões de Obras (Livros Físicos, eBooks e Teses) ---------- */
.livro-card, .ebook-card {
  background: var(--uor-card-bg);
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-md);
  padding: 1.35rem;
  box-shadow: var(--uor-shadow-xs);
  transition: var(--uor-transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.livro-card::before, .ebook-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--uor-primary);
  transition: var(--uor-transition);
  border-radius: 4px 0 0 4px;
}

.livro-card:hover, .ebook-card:hover {
  border-color: rgba(255, 103, 31, 0.35);
  box-shadow: var(--uor-shadow-md);
  transform: translateY(-4px);
}

.livro-card:hover::before, .ebook-card:hover::before {
  height: 100%;
}

.livro-icone {
  font-size: 1.5rem;
  color: var(--uor-primary);
  background: var(--uor-primary-soft);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--uor-radius-sm);
  border: 1px solid rgba(255, 103, 31, 0.15);
}

.livro-titulo {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--uor-dark-800);
  line-height: 1.35;
  margin-top: 0.85rem;
  margin-bottom: 0.35rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7rem;
}

.livro-autor {
  font-size: 0.85rem;
  color: var(--uor-gray-dark);
  font-weight: 500;
  margin-bottom: 0.75rem;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Moldura e Capa para eBooks e Documentos */
.ebook-capa-wrap {
  width: 100%;
  height: 220px;
  background: linear-gradient(135deg, var(--uor-dark-800) 0%, var(--uor-dark-700) 100%);
  border-radius: var(--uor-radius-sm);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.ebook-capa {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.livro-card:hover .ebook-capa, .ebook-card:hover .ebook-capa {
  transform: scale(1.04);
}

.ebook-capa-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
  font-size: 2.75rem;
  background: linear-gradient(135deg, #181c24 0%, #222834 100%);
  padding: 1.5rem;
  text-align: center;
}
.ebook-capa-fallback i {
  color: var(--uor-primary);
  opacity: 0.85;
}

/* ---------- 9. Tabelas de Resultados ---------- */
.catalogo-tabela {
  background: var(--uor-card-bg);
  border-radius: var(--uor-radius-md);
  overflow: hidden;
  border: 1px solid var(--uor-gray-border);
  box-shadow: var(--uor-shadow-sm);
}

.catalogo-tabela .table {
  margin-bottom: 0;
  color: var(--uor-gray-deep);
}

.table thead th {
  background: linear-gradient(180deg, var(--uor-dark-800) 0%, var(--uor-dark-700) 100%);
  color: #ffffff;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.85rem 1rem;
  border: none;
}

.table tbody tr {
  transition: background 0.2s ease;
  border-bottom: 1px solid var(--uor-gray-border);
}
.table tbody tr:last-child {
  border-bottom: none;
}
.table tbody tr:hover {
  background: var(--uor-primary-subtle);
}

.table tbody td {
  padding: 0.95rem 1rem;
  font-size: 0.88rem;
  vertical-align: middle;
}

.catalogo-titulo {
  font-weight: 700;
  color: var(--uor-dark-800);
}

/* Alternadores de Vista */
.btn-vista-toggle {
  background: #ffffff;
  border: 1.5px solid var(--uor-gray-border);
  color: var(--uor-gray-dark);
  padding: 0.4rem 0.75rem;
  border-radius: var(--uor-radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--uor-transition);
}
.btn-vista-toggle.active {
  background: var(--uor-primary);
  color: #ffffff;
  border-color: var(--uor-primary);
}

/* ---------- 10. Leitor de Documentos PDF em Modo Escuro ---------- */
#leitorOverlay {
  display: none;
  position: fixed;
  inset: 0;
  background: #0d1015;
  z-index: 99999;
  flex-direction: column;
}
#leitorOverlay.aberto {
  display: flex;
}

#leitorBarra {
  background: linear-gradient(180deg, var(--uor-dark-900) 0%, var(--uor-dark-800) 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  flex-shrink: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

#leitorBarra .ltitulo {
  font-size: 0.95rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 45%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#leitorBarra .lctrls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#leitorBarra button {
  background: var(--uor-dark-600);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.42rem 0.85rem;
  border-radius: var(--uor-radius-xs);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: var(--uor-transition);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
#leitorBarra button:hover {
  background: var(--uor-primary);
  color: #ffffff;
  border-color: var(--uor-primary);
}

#leitorBarra .btn-fechar-leitor {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
#leitorBarra .btn-fechar-leitor:hover {
  background: #ef4444;
  color: #ffffff;
}

#leitorBarra .lpag {
  font-size: 0.82rem;
  color: var(--uor-gray-light);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--uor-dark-700);
  padding: 0.25rem 0.6rem;
  border-radius: var(--uor-radius-xs);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

#leitorArea {
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
  background: #090c10;
}
#leitorArea canvas {
  display: block;
  margin: 0.75rem auto;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
  border-radius: var(--uor-radius-xs);
}

#leitorCarregando {
  color: var(--uor-gray-light);
  text-align: center;
  padding: 80px 20px;
  font-size: 1.1rem;
}

/* ---------- 11. Modais Modernos & Diálogos ---------- */
.uor-modal {
  border: none;
  border-radius: var(--uor-radius-lg);
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.uor-modal-header {
  background: linear-gradient(135deg, var(--uor-dark-900) 0%, var(--uor-dark-800) 100%);
  color: #ffffff;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.uor-modal-header .modal-title {
  color: #ffffff;
  font-size: 1.15rem;
  font-weight: 700;
}

.uor-modal .modal-body {
  padding: 1.5rem;
  background: #ffffff;
}

.uor-modal .modal-footer {
  background: var(--uor-gray-bg);
  border-top: 1px solid var(--uor-gray-border);
  padding: 1rem 1.5rem;
}

.uor-td {
  font-weight: 700;
  color: var(--uor-dark-500);
  width: 35%;
  font-size: 0.85rem;
}
.uor-td i {
  color: var(--uor-primary);
  margin-right: 0.4rem;
}

/* ---------- 11b. Abas de Filtros ---------- */
#filtrosTabs {
  border-bottom: 2px solid var(--uor-gray-border);
}
#filtrosTabs .nav-link {
  color: var(--uor-gray-muted);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.6rem 1rem;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.2s ease;
  background: transparent;
}
#filtrosTabs .nav-link:hover {
  color: var(--uor-dark-600);
  border-bottom-color: var(--uor-gray-light);
}
#filtrosTabs .nav-link.active {
  color: var(--uor-primary);
  border-bottom-color: var(--uor-primary);
  background: transparent;
}
#filtrosTabs .nav-link i {
  font-size: 0.9rem;
}
#filtrosTabContent {
  padding-top: 0.5rem;
}

/* ---------- 11c. Cards de Filtros ---------- */
.filtro-card {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.8rem;
  background: var(--uor-card-bg);
  border: 2px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--uor-dark-600);
  user-select: none;
}
.filtro-card:hover {
  border-color: var(--uor-primary);
  background: var(--uor-primary-soft);
}
.filtro-card.selecionado {
  border-color: var(--uor-success);
  background: var(--uor-success-soft);
  color: var(--uor-success);
}
.filtro-card.selecionado i {
  color: var(--uor-success);
}
.filtro-card i {
  font-size: 1rem;
  flex-shrink: 0;
}
.filtros-count {
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
}

/* ---------- 12. Dashboards de Administração & Auditoria ---------- */
.admin-layout, .audit-layout {
  display: flex;
  gap: 1.5rem;
  min-height: calc(100vh - 220px);
}

.admin-sidebar, .audit-sidebar {
  width: 260px;
  min-width: 260px;
  background: var(--uor-card-bg);
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-md);
  padding: 1.25rem 0.85rem;
  box-shadow: var(--uor-shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  height: fit-content;
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.75rem 1rem;
  border: none;
  background: transparent;
  border-radius: var(--uor-radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--uor-dark-500);
  text-align: left;
  transition: var(--uor-transition);
  cursor: pointer;
}
.sidebar-btn i {
  font-size: 1.15rem;
  min-width: 1.3rem;
  text-align: center;
  color: var(--uor-gray-muted);
}
.sidebar-btn:hover {
  background: var(--uor-primary-soft);
  color: var(--uor-primary);
}
.sidebar-btn:hover i {
  color: var(--uor-primary);
}
.sidebar-btn.active {
  background: var(--uor-primary);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(255, 103, 31, 0.3);
}
.sidebar-btn.active i {
  color: #ffffff;
}

.admin-content, .audit-content {
  flex: 1;
  min-width: 0;
}

/* Stat Cards (KPIs) */
.stat-card {
  background: var(--uor-card-bg);
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-md);
  padding: 1.35rem;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  box-shadow: var(--uor-shadow-sm);
  transition: var(--uor-transition);
  position: relative;
  overflow: hidden;
}
.stat-card:hover {
  border-color: rgba(255, 103, 31, 0.3);
  box-shadow: var(--uor-shadow-md);
  transform: translateY(-3px);
}

.stat-card .stat-icon {
  width: 52px;
  height: 52px;
  min-width: 52px;
  border-radius: var(--uor-radius-md);
  background: var(--uor-primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--uor-transition);
}
.stat-card .stat-icon i {
  font-size: 1.45rem;
  color: var(--uor-primary);
}
.stat-card:hover .stat-icon {
  background: var(--uor-primary);
}
.stat-card:hover .stat-icon i {
  color: #ffffff;
}

.stat-card .stat-info {
  flex: 1;
}
.stat-card .valor {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--uor-dark-900);
  line-height: 1.15;
}
.stat-card .rotulo {
  font-size: 0.8rem;
  color: var(--uor-gray-muted);
  font-weight: 600;
  margin-top: 0.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* Login Overlay */
.login-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(135deg, rgba(18, 21, 27, 0.85) 0%, rgba(10, 12, 16, 0.95) 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.login-overlay.hidden {
  display: none;
}
.login-overlay .uor-filtros {
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
  background: #ffffff;
  border-radius: var(--uor-radius-lg);
}

/* ---------- 13. Paginação Moderna ---------- */
.pagination {
  gap: 0.35rem;
}
.page-link {
  border: 1px solid var(--uor-gray-border);
  border-radius: var(--uor-radius-sm);
  color: var(--uor-dark-600);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.45rem 0.85rem;
  transition: var(--uor-transition);
}
.page-link:hover {
  background: var(--uor-primary-soft);
  color: var(--uor-primary);
  border-color: var(--uor-primary);
}
.page-item.active .page-link {
  background: var(--uor-primary);
  border-color: var(--uor-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(255, 103, 31, 0.25);
}

/* ---------- 14. Rodapé Institucional ---------- */
.uor-footer {
  background: linear-gradient(180deg, var(--uor-dark-800) 0%, var(--uor-dark-900) 100%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.85rem;
  padding: 2.5rem 0 1.5rem 0;
  margin-top: auto;
  border-top: 3px solid var(--uor-primary);
}
.uor-footer a {
  color: rgba(255, 255, 255, 0.75);
}
.uor-footer a:hover {
  color: var(--uor-primary);
}

.uor-footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.25rem;
  margin-top: 1.75rem;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ---------- 15. Toasts & Voltar ao Topo ---------- */
.uor-toast {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 99999;
  background: var(--uor-dark-800);
  color: #ffffff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--uor-radius-md);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
  opacity: 0;
  transform: translateX(40px) scale(0.95);
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
  max-width: 400px;
  border-left: 4px solid var(--uor-primary);
}
.uor-toast.show {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}
.uor-toast.toast-success { border-left-color: var(--uor-success); }
.uor-toast.toast-error { border-left-color: var(--uor-danger); }
.uor-toast.toast-warning { border-left-color: var(--uor-warning); }
.uor-toast.toast-info { border-left-color: var(--uor-primary); }
.uor-toast.toast-logout { border-left-color: var(--uor-danger); }

#uorBackToTop {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9990;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--uor-primary);
  color: #ffffff;
  font-size: 1.15rem;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px) scale(0.85);
  transition: var(--uor-transition);
  box-shadow: 0 4px 18px rgba(255, 103, 31, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}
#uorBackToTop.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
#uorBackToTop:hover {
  background: var(--uor-primary-hover);
  transform: translateY(-4px) scale(1.08);
}

.uor-ripple {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.4) 0%, transparent 80%);
  transform: scale(0);
  animation: rippleAnim 0.6s ease-out;
  pointer-events: none;
}
@keyframes rippleAnim {
  to { transform: scale(3.5); opacity: 0; }
}

/* ---------- 16. Responsividade ---------- */
@media (max-width: 991.98px) {
  .admin-layout, .audit-layout {
    flex-direction: column;
  }
  .admin-sidebar, .audit-sidebar {
    width: 100%;
    min-width: 0;
  }
  .admin-sidebar .d-flex, .audit-sidebar .d-flex {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .sidebar-btn {
    width: auto;
    flex: 1;
    min-width: 120px;
  }
  .uor-hero-title {
    font-size: 1.85rem;
  }
}

@media (max-width: 767.98px) {
  .uor-navbar .navbar-collapse {
    background: var(--uor-dark-800);
    padding: 0.75rem;
    border-radius: var(--uor-radius-sm);
    margin-top: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
  .uor-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
  }
  .uor-nav-link {
    width: 100%;
    padding: 0.65rem 0.85rem;
  }
  .nav-right {
    margin-left: 0;
  }
  .uor-hero {
    padding: 2rem 0 2.25rem 0;
  }
}

/* ---------- 17. Breakpoints Adicionais ---------- */
@media (max-width: 1199.98px) {
  .uor-hero-title {
    font-size: 2rem;
  }
}

@media (max-width: 575.98px) {
  .uor-hero-title {
    font-size: 1.5rem;
  }
  .uor-hero-desc {
    font-size: 0.9rem;
  }
  .stat-card .valor {
    font-size: 1.35rem;
  }
}

/* ---------- 18. Sidebar Mobile ---------- */
@media (max-width: 767.98px) {
  .sidebar-btn {
    width: 100%;
    min-width: unset;
  }
  .admin-sidebar, .audit-sidebar {
    flex-wrap: wrap;
  }
}

/* ---------- 19. Estilos de Impressão ---------- */
@media print {
  .no-print { display: none !important; }
  .admin-sidebar, .audit-sidebar { display: none; }
  .admin-topbar, .uor-header { display: none; }
  body { font-size: 12pt; color: #000; background: #fff; }
  .catalogo-tabela .table { page-break-inside: avoid; }
  .uor-link { text-decoration: underline; }
  .uor-link[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; }
}

/* ---------- 20. Preferências de Movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}