/* Alertas */
.alerta-erro {
  background: #FBEAEC;
  color: var(--erro);
  padding: 12px 16px;
  border-radius: var(--raio-controle);
  font-size: 14px;
  margin-bottom: 20px;
}

.alerta-sucesso {
  background: #E7F5EE;
  color: var(--sucesso);
  padding: 12px 16px;
  border-radius: var(--raio-controle);
  font-size: 14px;
  margin-bottom: 20px;
}

/* Botoes */
.botao {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--raio-controle);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease;
}

.botao-primario {
  background: var(--azul-acao);
  color: #fff;
}

.botao-primario:hover {
  background: var(--azul-acao-hover);
}

.botao-secundario {
  background: var(--superficie);
  color: var(--texto);
  border-color: var(--linha);
}

.botao-secundario:hover {
  border-color: var(--azul);
}

.botao:disabled {
  opacity: .5;
  cursor: not-allowed;
}

/* Campos de formulario */
.campo {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--raio-controle);
  border: 1px solid var(--linha);
  background: var(--superficie);
  color: var(--texto);
  font-family: inherit;
  font-size: 15px;
}

.campo::placeholder {
  color: var(--texto-3);
}

.campo:focus-visible {
  outline: 2px solid var(--azul);
  outline-offset: 1px;
  border-color: var(--azul);
}

.campo:disabled {
  color: var(--texto-3);
  background: var(--fundo);
}

.rotulo {
  display: block;
  font-size: 13px;
  color: var(--texto-2);
  margin: 20px 0 6px;
}

.rotulo:first-of-type {
  margin-top: 0;
}

/* Paineis */
.painel {
  background: var(--superficie);
  border: 1px solid var(--linha);
  border-radius: var(--raio-painel);
}

/* Tabelas */
.tabela {
  width: 100%;
  border-collapse: collapse;
}

.tabela th {
  text-align: left;
  font-size: 13px;
  font-weight: 500;
  color: var(--texto-2);
  padding: 10px 12px;
  border-bottom: 1px solid var(--linha);
}

.tabela td {
  padding: 12px;
  border-bottom: 1px solid var(--linha);
  font-size: 15px;
}

.tabela tr:last-child td {
  border-bottom: none;
}

/* Indicadores de status - quadrados, nao bolinhas */
.status {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--raio-status);
  flex-shrink: 0;
}

.status-online { background: var(--sucesso); }
.status-offline { background: var(--laranja); }
.status-desconhecido { background: var(--texto-3); }

.aviso {
  color: var(--laranja-texto);
}

/* Modal */
.modal-fundo {
  position: fixed;
  inset: 0;
  background: rgba(0, 28, 69, .4);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 100;
}

.modal {
  background: var(--superficie);
  border-radius: var(--raio-painel);
  box-shadow: var(--sombra-flutuante);
  max-width: 480px;
  width: 100%;
  padding: 24px;
}

.modal-acoes {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
}

/* Abas (usadas no modal de "Usar assinatura") */
.aba-botao {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 8px 4px;
  font-family: inherit;
  font-size: 14px;
  color: var(--texto-2);
  cursor: pointer;
}

.aba-botao.aba-ativa {
  color: var(--marinho);
  font-weight: 600;
  border-bottom-color: var(--azul);
}

/* Toast */
.toast-area {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}

.toast {
  background: var(--marinho);
  color: #fff;
  padding: 12px 16px;
  border-radius: var(--raio-controle);
  box-shadow: var(--sombra-flutuante);
  font-size: 14px;
  animation: toast-entrada .18s ease;
}

@keyframes toast-entrada {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: var(--superficie);
  border: 1px solid var(--linha);
  border-radius: var(--raio-controle);
  box-shadow: var(--sombra-flutuante);
  min-width: 180px;
  padding: 4px;
  z-index: 50;
}

.dropdown-menu[hidden] {
  display: none;
}

.dropdown-item {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 12px;
  border-radius: 6px;
  border: none;
  background: none;
  font-family: inherit;
  font-size: 14px;
  color: var(--texto);
  cursor: pointer;
}

.dropdown-item:hover {
  background: var(--fundo);
}

/* Upload */
.upload-area {
  border: 1px dashed var(--linha);
  border-radius: var(--raio-painel);
  padding: 32px;
  text-align: center;
  color: var(--texto-2);
}

.upload-area.upload-ativo {
  border-color: var(--azul);
}

/* Loading: 3 quadrados que acendem em sequencia */
.carregando {
  display: inline-flex;
  gap: 4px;
}

.carregando span {
  width: 8px;
  height: 8px;
  border-radius: var(--raio-status);
  background: currentColor;
  animation: carregando-aceso 1.05s ease-in-out infinite;
}

.carregando span:nth-child(2) { animation-delay: .15s; }
.carregando span:nth-child(3) { animation-delay: .3s; }

@keyframes carregando-aceso {
  0%, 80%, 100% { opacity: .25; }
  40% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .carregando span {
    animation: none;
    opacity: 1;
  }
}

/* Layout com sidebar */
.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--superficie);
  border-right: 1px solid var(--linha);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
}

.sidebar-logo {
  padding: 0 8px 24px;
}

.sidebar-logo img {
  height: 28px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}

.sidebar-link {
  display: block;
  padding: 10px 12px;
  border-radius: var(--raio-controle);
  color: var(--texto-2);
  text-decoration: none;
  font-size: 14px;
  border-left: 2px solid transparent;
}

.sidebar-link:hover {
  background: var(--fundo);
  color: var(--texto);
}

.sidebar-link.ativo {
  color: var(--marinho);
  font-weight: 600;
  border-left-color: var(--azul);
}

.sidebar-separador {
  height: 1px;
  background: var(--linha);
  margin: 12px 8px;
}

.sidebar-rodape {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 8px 0;
  border-top: 1px solid var(--linha);
  font-size: 13px;
  color: var(--texto-2);
}

.conteudo {
  flex: 1;
  padding: 40px 48px;
}

.conteudo-largura {
  max-width: 1120px;
}

.pagina-titulo {
  margin-bottom: 24px;
}

.pagina-titulo p {
  color: var(--texto-2);
  margin-top: 4px;
}

@media (max-width: 720px) {
  .layout {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    border-right: none;
    border-top: 1px solid var(--linha);
    order: 2;
    padding: 8px 12px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
  }

  .sidebar-logo,
  .sidebar-separador,
  .sidebar-rodape {
    display: none;
  }

  .sidebar-nav {
    flex-direction: row;
    justify-content: space-around;
    width: 100%;
  }

  .sidebar-link {
    border-left: none;
    border-top: 2px solid transparent;
    text-align: center;
  }

  .sidebar-link.ativo {
    border-top-color: var(--azul);
  }

  .conteudo {
    order: 1;
    padding: 24px 20px 88px;
  }
}

@media (max-width: 360px) {
  .conteudo {
    padding: 20px 16px 88px;
  }
}