:root {
  --azul: #2563eb;
  --azul-escuro: #1d4ed8;
  --cinza-900: #111827;
  --cinza-700: #374151;
  --cinza-500: #6b7280;
  --cinza-200: #e5e7eb;
  --cinza-100: #f3f4f6;
  --cinza-50: #f9fafb;
  --branco: #ffffff;
  --verde: #16a34a;
  --vermelho: #dc2626;
  --amarelo: #d97706;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--cinza-50);
  color: var(--cinza-900);
}
a { color: var(--azul); text-decoration: none; }
a:hover { text-decoration: underline; }

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  background: var(--cinza-900);
  color: var(--branco);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar .marca {
  font-size: 18px;
  font-weight: 700;
  padding: 20px 16px;
  border-bottom: 1px solid #1f2937;
}
.sidebar nav { flex: 1; padding: 12px 0; }
.sidebar nav a {
  display: block;
  padding: 12px 16px;
  color: #d1d5db;
  font-size: 14px;
}
.sidebar nav a:hover { background: #1f2937; text-decoration: none; }
.sidebar nav a.ativo { background: var(--azul); color: var(--branco); }
.usuario-box {
  padding: 16px;
  border-top: 1px solid #1f2937;
  font-size: 13px;
}
.usuario-nome { font-weight: 600; }
.usuario-papel { color: #9ca3af; margin-bottom: 8px; }
.sair { color: #f87171; font-size: 13px; }

.conteudo { flex: 1; padding: 28px; max-width: 100%; overflow-x: auto; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash-sucesso { background: #dcfce7; color: #166534; }
.flash-erro { background: #fee2e2; color: #991b1b; }

h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 18px; }
.subtitulo { color: var(--cinza-500); font-size: 14px; margin-bottom: 24px; }

.topo-pagina {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.botao {
  display: inline-block;
  background: var(--azul);
  color: var(--branco);
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}
.botao:hover { background: var(--azul-escuro); text-decoration: none; }
.botao-secundario { background: var(--branco); color: var(--cinza-700); border: 1px solid var(--cinza-200); }
.botao-secundario:hover { background: var(--cinza-100); }
.botao-perigo { background: var(--vermelho); }
.botao-perigo:hover { background: #b91c1c; }
.botao-pequeno { padding: 5px 10px; font-size: 12px; }

.card {
  background: var(--branco);
  border: 1px solid var(--cinza-200);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 20px;
}

.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--branco); border: 1px solid var(--cinza-200); border-radius: 12px; padding: 16px; }
.stat-numero { font-size: 26px; font-weight: 700; }
.stat-label { font-size: 13px; color: var(--cinza-500); }

table { width: 100%; border-collapse: collapse; background: var(--branco); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--cinza-200); font-size: 14px; }
th { color: var(--cinza-500); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr:hover td { background: var(--cinza-50); }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: var(--branco);
}

.filtros { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.filtros input, .filtros select {
  padding: 8px 10px;
  border: 1px solid var(--cinza-200);
  border-radius: 8px;
  font-size: 14px;
}

form.inline { display: inline; }

.form-grupo { margin-bottom: 16px; }
.form-grupo label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--cinza-700); }
.form-grupo input, .form-grupo select, .form-grupo textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--cinza-200);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}

.login-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--cinza-900);
}
.login-card {
  background: var(--branco);
  padding: 36px;
  border-radius: 14px;
  width: 100%;
  max-width: 360px;
}
.login-card h1 { text-align: center; margin-bottom: 24px; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 12px 0; border-bottom: 1px solid var(--cinza-200); font-size: 14px; }
.timeline .meta { color: var(--cinza-500); font-size: 12px; }

.chave-api {
  font-family: monospace;
  background: var(--cinza-100);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}

.badge-cor { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 6px; }

@media (max-width: 800px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; }
  .conteudo { padding: 16px; }
}