/* ============================================
   Banco de Provas - EntroPlataforma
   ============================================ */

.provas-container {
  min-height: 100vh;
  padding-top: 80px;
  background: var(--bg-page, #f0fdf4);
}

.provas-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

/* Header */
.provas-header {
  text-align: center;
  margin-bottom: 36px;
}

.provas-header h1 {
  font-size: 28px;
  color: var(--text-dark);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.provas-header h1 i {
  color: var(--primary);
}

.provas-header p {
  color: var(--text-secondary);
  font-size: 15px;
}

/* Loading */
.provas-loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-placeholder);
}

.provas-loading i {
  font-size: 36px;
  color: var(--primary);
  animation: spin 1s linear infinite;
  display: block;
  margin-bottom: 14px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ---- Card de Instituicao (Accordion) ---- */
.inst-card {
  background: var(--bg-surface);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  margin-bottom: 20px;
  border: 2px solid var(--border-default);
  transition: border-color 0.2s;
}

.inst-card.open {
  border-color: var(--inst-cor, #10b981);
}

/* Header da Instituicao */
.inst-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  cursor: pointer;
  user-select: none;
  transition: background 0.2s;
}

.inst-header:hover {
  background: var(--bg-surface-secondary);
}

.inst-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: white;
}

.inst-info {
  flex: 1;
}

.inst-nome {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-dark);
}

.inst-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.inst-toggle {
  font-size: 20px;
  color: var(--text-placeholder);
  transition: transform 0.3s ease;
}

.inst-card.open .inst-toggle {
  transform: rotate(180deg);
  color: var(--inst-cor, #10b981);
}

/* Corpo do Accordion */
.inst-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.inst-card.open .inst-body {
  max-height: 3000px;
}

.inst-body-inner {
  padding: 0 24px 24px;
}

/* ---- Sub-categoria (SIS I, PSC I, etc.) ---- */
.cat-section {
  margin-bottom: 18px;
}

.cat-section:last-child {
  margin-bottom: 0;
}

.cat-titulo {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-dark);
  padding: 10px 0 8px;
  border-bottom: 2px solid #f1f5f9;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-titulo i {
  color: var(--inst-cor, #10b981);
  font-size: 16px;
}

/* ---- Grid de provas ---- */
.prova-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
}

.prova-card {
  background: var(--bg-surface-secondary);
  border-radius: 10px;
  padding: 12px 10px;
  text-align: center;
  border: 1.5px solid var(--border-default);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.prova-card:hover {
  border-color: var(--inst-cor, #10b981);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.prova-ano {
  display: block;
  font-size: 18px;
  font-weight: 800;
  color: #334155;
  margin-bottom: 8px;
}

.prova-btns {
  display: flex;
  gap: 6px;
}

.prova-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex: 1;
  padding: 6px 4px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}

.prova-btn-prova {
  background: var(--inst-cor, #10b981);
  color: white;
}

.prova-btn-prova:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.prova-btn-gabarito {
  background: var(--border-default);
  color: var(--text-secondary);
}

.prova-btn-gabarito:hover {
  background: #cbd5e1;
  transform: translateY(-1px);
}

.prova-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ---- Cores por vestibular ---- */
.inst-card[data-inst="psc"] { --inst-cor: #3b82f6; }
.inst-card[data-inst="psi"] { --inst-cor: #8b5cf6; }
.inst-card[data-inst="sis"] { --inst-cor: #10b981; }
.inst-card[data-inst="macro"] { --inst-cor: #f97316; }
.inst-card[data-inst="enem"] { --inst-cor: #6366f1; }
.inst-card[data-inst="ufrr"] { --inst-cor: #dc2626; }
.inst-card[data-inst="uerr"] { --inst-cor: #0891b2; }

/* ---- Responsivo ---- */
@media (max-width: 768px) {
  .provas-content {
    padding: 20px 14px 50px;
  }

  .provas-header h1 {
    font-size: 22px;
  }

  .inst-header {
    padding: 14px 16px;
    gap: 12px;
  }

  .inst-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    font-size: 18px;
    border-radius: 10px;
  }

  .inst-nome {
    font-size: 16px;
  }

  .inst-body-inner {
    padding: 0 16px 16px;
  }

  .prova-grid {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
  }

  .prova-card {
    padding: 10px 8px;
  }

  .prova-ano {
    font-size: 16px;
  }
}

@media (max-width: 480px) {
  .inst-desc {
    display: none;
  }

  .prova-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .prova-btn {
    font-size: 10px;
    padding: 5px 3px;
    gap: 2px;
  }

  .prova-btn i {
    font-size: 10px;
  }
}

/* ============================================
   DARK MODE OVERRIDES
   ============================================ */
html[data-theme="dark"] .prova-ano {
  color: var(--text-primary);
}

html[data-theme="dark"] .prova-btn-gabarito:hover {
  background: var(--bg-surface-tertiary);
}

html[data-theme="dark"] .cat-titulo {
  border-bottom-color: var(--border-default);
}