:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --text: #1c1d21;
  --muted: #6b6d75;
  --border: #e3e1dc;
  --accent: #1f4e79;
  --accent-text: #ffffff;
  --accent-soft: #e6eef6;
  --danger: #a4262c;
  --danger-soft: #fbe9ea;
  --ok-soft: #e7f4ec;
  --ok: #1d6b3a;
  --warn-soft: #fdf3dc;
  --warn: #7a5300;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141518;
    --surface: #1d1f23;
    --text: #e8e8ea;
    --muted: #9a9ca4;
    --border: #2e3036;
    --accent: #6ea8dc;
    --accent-text: #0d1b29;
    --accent-soft: #1c2a38;
    --danger: #f08b8f;
    --danger-soft: #3a1d1f;
    --ok-soft: #173023;
    --ok: #7fd3a0;
    --warn-soft: #362a10;
    --warn: #e9c46a;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--font);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.6rem; margin: 0 0 .75rem; letter-spacing: -.01em; }
h2 { font-size: 1.15rem; margin: 1.75rem 0 .75rem; }
.card h2:first-child, .card h1:first-child { margin-top: 0; }
code { font-family: var(--mono); font-size: .9em; }

.muted { color: var(--muted); font-weight: normal; }
.fine { color: var(--muted); font-size: .85rem; }
.nowrap { white-space: nowrap; }

/* ---- estrutura ---- */

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 650; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: .92rem; }
.who { color: var(--muted); }

main { margin: 0 auto; padding: 32px 16px 64px; }
main.narrow { max-width: 760px; }
main.wide { max-width: 1280px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.heading { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.heading h1, .heading h2 { margin-bottom: .75rem; }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 16px; }

/* ---- mensagens ---- */

.notice, .error {
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px;
}
.notice { background: var(--ok-soft); color: var(--ok); }
.error { background: var(--danger-soft); color: var(--danger); }

/* ---- formulários ---- */

form label { display: block; margin-bottom: 14px; font-weight: 550; font-size: .92rem; }
form label input, form label select {
  display: block; width: 100%; margin-top: 6px;
  padding: 9px 11px;
  font: inherit; font-weight: normal;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
form label input:focus, form label select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label.check { display: flex; align-items: flex-start; gap: 10px; font-weight: normal; }
label.check input { width: auto; margin-top: 4px; display: inline; }
form.inline { display: inline; }

button, .button {
  display: inline-block;
  padding: 9px 16px;
  font: inherit; font-weight: 550; font-size: .92rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .button:hover { text-decoration: none; filter: brightness(.97); }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
button.link {
  padding: 0; border: 0; background: none; color: var(--accent); font-weight: normal;
}
button.link:hover { text-decoration: underline; filter: none; }
button.danger { color: var(--danger); }

.row-form { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-top: 16px; }
.row-form label { flex: 1 1 180px; margin-bottom: 0; }
.confirm-form { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

.filters { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.filters label { flex: 1 1 160px; margin-bottom: 0; }
.filters label.check { flex: 0 0 auto; padding-bottom: 10px; }

/* ---- login ---- */

.login { max-width: 400px; margin: 10vh auto 0; }
.login button { width: 100%; margin-top: 4px; }

/* ---- portal ---- */

.proposals { list-style: none; padding: 0; margin: 0; }
.proposals h2 { margin-top: 0; }
.proposals .button { margin-right: 8px; }

.nda { line-height: 1.7; }
.nda h2 { font-size: 1.1rem; }
.nda h3, .nda h4 { font-size: 1rem; }

.credentials { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 20px 0; }
.credentials dt { color: var(--muted); }
.credentials code { font-size: 1.05rem; user-select: all; }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 20px 0 0; font-size: .92rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

/* ---- tabelas ---- */

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card table { margin: 0 -8px; width: calc(100% + 16px); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.meta { color: var(--muted); max-width: 380px; overflow-wrap: anywhere; }

.tag {
  display: inline-block; padding: 1px 8px; border-radius: 999px;
  font-size: .78rem; font-weight: 550;
  background: var(--accent-soft); color: var(--accent);
}
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.off { background: var(--danger-soft); color: var(--danger); }
.ev-login_fail .tag { background: var(--danger-soft); color: var(--danger); }
.ev-download .tag, .ev-nda_accept .tag { background: var(--ok-soft); color: var(--ok); }
.ev-admin .tag { background: var(--warn-soft); color: var(--warn); }

@media (max-width: 600px) {
  .topbar { padding: 12px 16px; }
  .card { padding: 18px; }
  main { padding-top: 20px; }
}