* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #f3f5f7;
  color: #1f2937;
}

header {
  background: #111827;
  color: white;
  padding: 22px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  margin: 0;
  font-size: 24px;
}

header p {
  margin: 6px 0 0;
  color: #cbd5e1;
}

main {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
}

.card {
  background: white;
  border-radius: 12px;
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,.06);
}

.card h2 {
  margin-top: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

label {
  display: flex;
  flex-direction: column;
  font-weight: bold;
  font-size: 14px;
  gap: 6px;
}

input,
select {
  padding: 12px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 15px;
}

button {
  margin-top: 16px;
  background: #2563eb;
  color: white;
  border: none;
  padding: 11px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  opacity: .9;
}

button.danger {
  background: #dc2626;
  margin-top: 0;
}

.linha-titulo {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid #e5e7eb;
  padding: 12px;
  text-align: left;
  vertical-align: middle;
}

th {
  background: #f9fafb;
}

code {
  background: #f1f5f9;
  padding: 4px 6px;
  border-radius: 6px;
}

.badge {
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: bold;
  background: #e5e7eb;
}

.badge.ativo {
  background: #dcfce7;
  color: #166534;
}

.badge.bloqueado {
  background: #fee2e2;
  color: #991b1b;
}

.badge.vencido {
  background: #ffedd5;
  color: #9a3412;
}

.badge.teste {
  background: #dbeafe;
  color: #1d4ed8;
}

.online {
  background: #16a34a;
  color: white;
  padding: 8px 12px;
  border-radius: 999px;
}

.offline {
  background: #dc2626;
  color: white;
  padding: 8px 12px;
  border-radius: 999px;
}

@media (max-width: 800px) {
  header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}