:root {
  --azul: #1d4ed8;
  --azul-escuro: #1e3a8a;
  --cinza-bg: #f4f6f9;
  --cinza-borda: #e2e8f0;
  --texto: #1f2937;
  --texto-suave: #6b7280;
  --vermelho: #dc2626;
  --verde: #16a34a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--cinza-bg);
  color: var(--texto);
}

.topbar {
  background: var(--azul-escuro);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar h1 {
  font-size: 18px;
  margin: 0;
  font-weight: 600;
}

.topbar a {
  color: #dbeafe;
  text-decoration: none;
  font-size: 14px;
  margin-left: 16px;
}

.topbar a:hover { text-decoration: underline; }

.container {
  max-width: 960px;
  margin: 24px auto;
  padding: 0 16px 48px;
}

.card {
  background: #fff;
  border: 1px solid var(--cinza-borda);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 20px;
}

.search-form {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

input[type="text"],
input[type="password"],
input[type="search"],
select,
textarea {
  padding: 9px 12px;
  border: 1px solid var(--cinza-borda);
  border-radius: 6px;
  font-size: 14px;
  width: 100%;
}

.search-form input[type="search"] { flex: 1; }

button, .btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 6px;
  border: none;
  background: var(--azul);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}

button:hover, .btn:hover { background: var(--azul-escuro); }

.btn-secondary { background: #6b7280; }
.btn-secondary:hover { background: #4b5563; }

.btn-danger { background: var(--vermelho); }
.btn-danger:hover { background: #b91c1c; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--cinza-borda);
}

th { color: var(--texto-suave); font-weight: 600; font-size: 13px; text-transform: uppercase; }

tr:hover td { background: #f9fafb; }

.ramal-num {
  font-weight: 700;
  color: var(--azul-escuro);
  font-size: 15px;
}

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-ativo { background: #dcfce7; color: var(--verde); }
.badge-inativo { background: #fee2e2; color: var(--vermelho); }

.actions { display: flex; gap: 8px; }
.actions .btn { padding: 6px 12px; font-size: 13px; }

.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 600; }

.alert {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 14px;
}

.alert-erro { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-sucesso { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }

.login-box {
  max-width: 360px;
  margin: 80px auto;
}

.text-muted { color: var(--texto-suave); font-size: 13px; }

.empty-state {
  text-align: center;
  color: var(--texto-suave);
  padding: 32px 0;
}

@media (max-width: 600px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  th:nth-child(3), td:nth-child(3) { display: none; }
}