/**
 * Área admin (pages/admin/) — nav de abas, tela de login e o layout de
 * comparação de frete. Reaproveita os tokens de css/theme.css e as classes
 * .calc-* de css/calculator.css (card, campo, tabela) em vez de duplicar.
 */

/* ===== Nav de abas ===== */
.admin-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 24px 0;
  max-width: 1080px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.admin-nav a {
  padding: 8px 16px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--muted-text);
  text-decoration: none;
  border: 1px solid transparent;
}

.admin-nav a:hover {
  color: var(--foreground);
}

.admin-nav a.is-active {
  color: var(--primary);
  background: var(--surface);
  border-color: var(--border);
  border-bottom-color: var(--surface);
  margin-bottom: -1px;
}

.admin-nav .admin-nav__sair {
  margin-left: auto;
  color: var(--accent);
}

/* ===== Login ===== */
.admin-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.admin-login-card {
  width: 100%;
  max-width: 380px;
}

.admin-login-card h1 {
  font-size: 1.3rem;
  margin-bottom: 6px;
}

.admin-login-card .calc-subtitle {
  margin-bottom: 20px;
}

.admin-error {
  background: var(--cat-pet-bg);
  color: var(--cat-pet-fg);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.admin-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--radius-sm);
  border: none;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  font-size: 1rem;
  font-family: var(--font-body);
}

.admin-btn:hover {
  background: var(--primary-dark);
}

.admin-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ===== Home (índice de abas) ===== */
.admin-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.admin-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.admin-card-link .calc-card {
  height: 100%;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.admin-card-link:hover .calc-card {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.admin-card-emoji {
  font-size: 2rem;
  margin-bottom: 10px;
  display: block;
}

/* ===== Frete: comparação lado a lado ===== */
.frete-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 24px;
}

@media (min-width: 900px) {
  .frete-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.frete-result .valor {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}

.frete-result .prazo {
  color: var(--muted-text);
  font-size: 0.85rem;
  margin-top: 2px;
}

.frete-status {
  font-size: 0.85rem;
  color: var(--muted-text);
}

.frete-status.erro {
  color: var(--cat-pet-fg);
}

.frete-servicos {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}

.frete-servicos li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.frete-servicos li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.frete-produto-select {
  margin-bottom: 20px;
}

.frete-pacote {
  max-width: 420px;
}