:root {
  --bg: #f5f6f8;
  --fg: #1d2330;
  --muted: #5d6677;
  --brand: #e8590c;
  --card: #ffffff;
  --line: #dde1e8;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--fg); }
.topo { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; padding: 12px 20px; background: var(--fg); color: #fff; }
.topo nav a { color: #fff; margin-left: 16px; text-decoration: none; opacity: .85; }
.topo nav a:hover { opacity: 1; text-decoration: underline; }
main { max-width: 960px; margin: 24px auto; padding: 0 16px; }
h1 { font-size: 1.4rem; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); word-break: break-word; }
th { background: #eef0f4; font-size: .85rem; }
a { color: var(--brand); }
.aviso { background: #fff4e6; border-left: 4px solid var(--brand); padding: 10px 14px; }
.erro { background: #ffe3e3; border-left: 4px solid #c92a2a; padding: 10px 14px; }
code { background: #eef0f4; padding: 1px 5px; border-radius: 3px; }
body.login { display: grid; place-items: center; min-height: 100vh; }
.cartao { background: var(--card); padding: 28px; border: 1px solid var(--line); border-radius: 8px; width: min(360px, 92vw); }
.cartao h1 { margin-top: 0; }
.cartao label { display: block; margin: 12px 0; font-size: .9rem; color: var(--muted); }
.cartao input { display: block; width: 100%; margin-top: 4px; padding: 9px; border: 1px solid var(--line); border-radius: 4px; font-size: 1rem; }
.cartao button { width: 100%; padding: 10px; border: 0; border-radius: 4px; background: var(--brand); color: #fff; font-size: 1rem; cursor: pointer; }