* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f3f4f6;
  color: #1f2937;
}

header {
  background: #1e293b;
  color: #fff;
  padding: 14px 16px;
}

header nav {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  gap: 20px;
  align-items: center;
}

header strong { margin-right: auto; }
header a { color: #cbd5e1; text-decoration: none; }
header a.ativo, header a:hover { color: #fff; }

main {
  max-width: 640px;
  margin: 32px auto;
  padding: 0 16px;
}

.card {
  background: #fff;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  margin-bottom: 24px;
}

h1 { font-size: 1.3rem; margin: 0 0 20px; }
h2 { font-size: 1.1rem; margin: 0 0 16px; }

label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }

input, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 1rem;
  margin-bottom: 16px;
  background: #fff;
}

.dica { font-size: 0.8rem; color: #6b7280; margin: -10px 0 16px; }

button {
  background: #1d4ed8;
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 11px 18px;
  font-size: 1rem;
  cursor: pointer;
}

button:hover { background: #1e40af; }
button:disabled { background: #93a3c4; cursor: wait; }
button.secundario { background: #e5e7eb; color: #1f2937; padding: 6px 12px; font-size: 0.85rem; }
button.secundario:hover { background: #d1d5db; }

.campanhas-topo { display: flex; justify-content: space-between; align-items: baseline; }
.campanhas-topo span { font-size: 0.85rem; color: #6b7280; }

button.link {
  background: none;
  color: #1d4ed8;
  padding: 0;
  font-size: 0.85rem;
}
button.link:hover { background: none; text-decoration: underline; }

.campanhas {
  border: 1px solid #d1d5db;
  border-radius: 6px;
  max-height: 260px;
  overflow-y: auto;
  margin-bottom: 16px;
}
.campanhas .vazio { margin: 0; padding: 12px; font-size: 0.9rem; color: #6b7280; }

.campanha {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  margin: 0;
  font-weight: 400;
  border-bottom: 1px solid #f3f4f6;
  cursor: pointer;
}
.campanha:last-child { border-bottom: 0; }
.campanha:hover { background: #f9fafb; }
.campanha input { width: auto; margin: 0; flex-shrink: 0; }
.campanha span { flex: 1; overflow-wrap: anywhere; }
.campanha small { color: #6b7280; white-space: nowrap; }

.mensagem { margin-top: 16px; font-size: 0.9rem; }
.mensagem.erro { color: #b91c1c; }
.mensagem.sucesso { color: #15803d; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 6px; border-bottom: 1px solid #e5e7eb; }
td.acoes { text-align: right; }
.inativo { color: #9ca3af; }