/* Poucas telas, pouca folha de estilo. Sem CDN, sem framework. */
:root {
  --ink: #16181d;
  --muted: #6b7280;
  --line: #e5e7eb;
  --bg: #fbfbfc;
  --accent: #0f766e;
  --warn: #b45309;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #e8eaed; --muted: #9aa1ab; --line: #2a2e37; --bg: #14161a; --accent: #5eead4; --warn: #fbbf24; }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}
main { max-width: 60rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }

.topbar {
  display: flex; align-items: center; gap: 1.25rem;
  padding: .85rem 1.25rem; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 650; letter-spacing: .02em; text-decoration: none; color: var(--ink); }
.topbar nav { display: flex; gap: 1rem; margin-right: auto; }
.topbar a { color: var(--muted); text-decoration: none; }
.topbar a:hover { color: var(--ink); }

h1 { font-size: 1.5rem; line-height: 1.3; margin: 0 0 1rem; font-weight: 600; }
h2 { font-size: 1.1rem; margin: 2.5rem 0 .5rem; font-weight: 600; }
.muted { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .72rem; color: var(--muted); margin: 0 0 .4rem; }

/* O próximo passo é a única coisa grande da tela. */
.step { border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: .5rem; padding: 1.25rem 1.4rem; background: transparent; }
.step h1 { font-size: 1.35rem; }
.step--decide { border-left-color: var(--warn); }

.cards { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.25rem 0; }
.card { flex: 1 1 8rem; border: 1px solid var(--line); border-radius: .5rem; padding: .8rem 1rem; }
.figure { display: block; font-size: 1.6rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.label { color: var(--muted); font-size: .82rem; }

.grid { width: 100%; border-collapse: collapse; margin-top: .5rem; display: block; overflow-x: auto; }
.grid th, .grid td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.grid th { font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 600; }
.grid tr.stale td { background: color-mix(in srgb, var(--warn) 8%, transparent); }
.actions a { margin-right: .6rem; font-size: .88rem; }

.filters { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; margin: 1rem 0; }
.filters a { color: var(--muted); text-decoration: none; font-size: .9rem; }
.filters a.on { color: var(--ink); font-weight: 600; }

form.stack p { margin: 0 0 .85rem; }
form.stack label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: .2rem; }
form.inline { display: inline-block; margin-right: .75rem; }
input, select, textarea {
  width: 100%; max-width: 26rem; padding: .45rem .6rem; font: inherit;
  color: var(--ink); background: transparent; border: 1px solid var(--line); border-radius: .35rem;
}
button, .button {
  display: inline-block; padding: .45rem .9rem; font: inherit; cursor: pointer;
  border: 1px solid var(--accent); border-radius: .35rem;
  background: var(--accent); color: var(--bg); text-decoration: none;
}
button.link, .link { background: none; border: none; color: var(--muted); text-decoration: underline; padding: 0; }

.messages { list-style: none; padding: 0; margin: 0 0 1.25rem; }
.msg { padding: .6rem .8rem; border-radius: .35rem; border: 1px solid var(--line); margin-bottom: .4rem; }
.msg.warning { border-color: var(--warn); }
.msg.error { border-color: #dc2626; }

.account { color: var(--muted); text-decoration: none; font-size: .9rem; }
.account:hover { color: var(--ink); }