:root {
  --bg: #f6f6f8;
  --card: #ffffff;
  --texto: #1c1c22;
  --texto-suave: #63636f;
  --borda: #e2e2e8;
  --destaque: #5b5bd6;
  --erro: #c0392b;
}

* { box-sizing: border-box; }

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

.topo {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: var(--card);
  border-bottom: 1px solid var(--borda);
  flex-wrap: wrap;
}

.topo-marca { font-weight: 700; }
.topo-marca span { color: var(--destaque); }
.topo-nav { display: flex; gap: 14px; flex: 1; }
.topo-nav a { color: var(--texto); text-decoration: none; }
.topo-nav a:hover { color: var(--destaque); }
.topo-usuario { display: flex; gap: 10px; align-items: center; color: var(--texto-suave); font-size: 14px; }
.topo-usuario a { color: var(--destaque); }

.conteudo {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

.caixa-login {
  max-width: 320px;
  margin: 80px auto;
  background: var(--card);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 28px;
}

form.form-cliente, form.seletor-cliente {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 24px;
  max-width: 480px;
}

.caixa-login form { display: flex; flex-direction: column; gap: 12px; }

label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--texto-suave); }
input, select, button {
  font-size: 15px;
  padding: 8px 10px;
  border: 1px solid var(--borda);
  border-radius: 8px;
  font-family: inherit;
}
button {
  background: var(--destaque);
  color: #fff;
  border: none;
  cursor: pointer;
  font-weight: 600;
}
button:hover { opacity: .9; }

fieldset { border: 1px solid var(--borda); border-radius: 8px; padding: 10px; }
fieldset label { flex-direction: row; align-items: center; gap: 6px; }

.tabela { width: 100%; border-collapse: collapse; margin-bottom: 24px; background: var(--card); border: 1px solid var(--borda); border-radius: 12px; overflow: hidden; }
.tabela th, .tabela td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--borda); font-size: 14px; }
.tabela th { background: var(--bg); color: var(--texto-suave); font-weight: 600; }
.tabela a { color: var(--destaque); text-decoration: none; }

.aviso { color: var(--texto-suave); font-size: 14px; }
.aviso-erro { color: var(--erro); }
.flash { background: #fff3cd; border: 1px solid #ffe69c; border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; font-size: 14px; }

.botao { display: inline-block; background: var(--destaque); color: #fff; padding: 8px 14px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.lista-descoberta { list-style: none; padding: 0; }
.lista-descoberta li { padding: 8px 0; border-bottom: 1px solid var(--borda); }
.lista-status { font-size: 14px; }

@media (max-width: 480px) {
  .topo { flex-direction: column; align-items: flex-start; }
}