* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", sans-serif; background: #eef1f6; color: #172033; }
.topbar { background: #fff; border-bottom: 1px solid #dde2ec; }
.topbar-inner { max-width: 960px; margin: 0 auto; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.perfil { display: flex; align-items: center; gap: 8px; background: #eaf0ff; border: 1px solid #c9d6ff; border-radius: 999px; padding: 4px 10px; font-size: .9rem; font-weight: 600; color: #1d3fb0; }
.perfil img { width: 28px; height: 28px; border-radius: 50%; }
.perfil:empty { display: none; }
main { max-width: 960px; margin: 0 auto; padding: 16px; }
.card { background: #fff; border-radius: 14px; padding: 18px; margin-bottom: 16px; box-shadow: 0 2px 8px rgba(23,32,51,.08); }
h1 { margin-top: 0; font-size: 1.5rem; }
h2 { font-size: 1.2rem; margin-top: 0; }
h3 { font-size: 1rem; }
label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 10px; }
input, select { width: 100%; padding: 9px; margin-top: 4px; border: 1px solid #c3cada; border-radius: 8px; font-size: 1rem; background: #fff; }
.linha { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; }
.linha > * { flex: 1 1 200px; }
.aval-form { display: grid; grid-template-columns: 2fr 1.2fr 1fr 1fr auto; gap: 8px; margin-bottom: 8px; }
.aval-form input, .aval-form select { margin-top: 0; }
.aval { display: grid; grid-template-columns: 1fr 120px; gap: 10px; align-items: center; margin-bottom: 8px; }
button, .btn { padding: 10px 14px; border: 0; border-radius: 8px; background: #172033; color: #fff; font-size: 1rem; font-weight: 600; cursor: pointer; text-decoration: none; text-align: center; display: inline-block; }
button.sec { background: #5b6478; }
button.perigo { background: #c0392b; }
.resumo { background: #f1f4fb; border-radius: 10px; padding: 12px; margin: 12px 0; line-height: 1.6; }
.ok { color: #0a7a33; font-weight: 700; }
.ruim { color: #b42323; font-weight: 700; }
.msg { color: #b42323; min-height: 1.2em; margin: 6px 0; }
small { color: #5b6478; }
footer { text-align: center; padding: 18px 12px; font-size: .85rem; color: #4a5368; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; }
@media (max-width: 680px) {
  .aval-form { grid-template-columns: 1fr 1fr; }
  .aval-form input:first-child { grid-column: 1 / -1; }
  .aval { grid-template-columns: 1fr; }
}