/* Presença QR Code: Estilos isolados para cards de QR Code */

/* Modal/Overlay de QR Code */
.presenca-qrcode-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}

.presenca-qrcode-modal {
  background: var(--bg-primary);
  border-radius: 20px;
  padding: 32px;
  max-width: 500px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-height: 90vh;
  overflow-y: auto;
}

.presenca-qrcode-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.presenca-qrcode-modal-header h2 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--text);
}

.presenca-qrcode-modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.2s ease;
}

.presenca-qrcode-modal-close:hover {
  background: rgba(225, 6, 0, 0.1);
  color: var(--danger);
}

.presenca-qrcode-modal-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

/* Card do QR Code - Portal do Aluno */
.presenca-qrcode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 24px;
}

.presenca-qrcode-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.presenca-qrcode-box {
  display: flex;
  justify-content: center;
  align-items: center;
  background: #ffffff;
  padding: 20px;
  border-radius: 16px;
  border: 2px solid var(--line);
}

.presenca-qrcode-box canvas {
  max-width: 280px !important;
  max-height: 280px !important;
}

.presenca-qrcode-info {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}

/* Tabs para múltiplas turmas */
.presenca-qrcode-tabs-wrapper {
  width: 100%;
}

.presenca-qrcode-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  overflow-x: auto;
  padding-bottom: 8px;
}

.presenca-qrcode-tab {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.presenca-qrcode-tab:hover {
  border-color: var(--danger);
  color: var(--danger);
}

.presenca-qrcode-tab.active {
  background: rgba(225, 6, 0, 0.15);
  border-color: var(--danger);
  color: var(--danger);
}

.presenca-qrcode-tab-content {
  display: none;
}

.presenca-qrcode-tab-content.active {
  display: block;
}

/* Preview do aluno após ler QR Code */
.presenca-qrcode-preview-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
  border: 2px solid rgba(225, 6, 0, 0.3);
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(225, 6, 0, 0.05), transparent);
}

.presenca-qrcode-preview-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.presenca-qrcode-preview-header .eyebrow {
  font-size: 0.7rem;
  font-weight: 950;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--danger);
}

.presenca-qrcode-preview-header strong {
  font-size: 1rem;
  color: var(--text);
}

.presenca-qrcode-preview-aluno {
  display: flex;
  gap: 16px;
  align-items: center;
}

.presenca-preview-avatar {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 12px;
  overflow: hidden;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line);
}

.presenca-preview-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.presenca-preview-avatar .initials {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--danger);
}

.presenca-preview-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.presenca-preview-info h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--text);
  font-weight: 700;
}

.presenca-preview-belt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}

.presenca-preview-belt img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.presenca-qrcode-preview-actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.presenca-qrcode-preview-actions button {
  flex: 1;
}

/* Estados de carregamento e erro */
.presenca-qrcode-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  text-align: center;
}

.presenca-qrcode-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(225, 6, 0, 0.2);
  border-top-color: var(--danger);
  border-radius: 50%;
  animation: presenca-spin 0.8s linear infinite;
}

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

.presenca-qrcode-error {
  padding: 16px;
  border-left: 4px solid var(--danger);
  background: rgba(225, 6, 0, 0.1);
  border-radius: 8px;
  color: var(--danger);
  font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
  .presenca-qrcode-card {
    padding: 16px;
  }

  .presenca-qrcode-box {
    padding: 16px;
  }

  .presenca-qrcode-preview-card {
    padding: 16px;
  }

  .presenca-preview-avatar {
    width: 70px;
    height: 70px;
  }

  .presenca-qrcode-tabs {
    gap: 6px;
  }

  .presenca-qrcode-tab {
    padding: 6px 12px;
    font-size: 0.75rem;
  }
}