/* Estilo próprio, responsivo, sem CDN. Cores em tokens; modo escuro via prefers-color-scheme ou data-theme. */
:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --surface-2: #eef2f6;
  --text: #1c2430;
  --muted: #5b6676;
  --border: #d5dce5;
  --primary: #1f6feb;
  --primary-text: #ffffff;
  --primary-hover: #1858c0;
  --danger: #c62828;
  --danger-bg: #fdecec;
  --ok: #1e7e34;
  --ok-bg: #e6f4ea;
  --warn: #8a5a00;
  --warn-bg: #fff4d6;
  --info-bg: #e7f0ff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --focus: 0 0 0 3px rgba(31, 111, 235, 0.45);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1419;
    --surface: #171e26;
    --surface-2: #1f2832;
    --text: #e6edf3;
    --muted: #9aa7b6;
    --border: #2d3947;
    --primary: #4d8dff;
    --primary-text: #0b1220;
    --primary-hover: #74a6ff;
    --danger: #ff7b72;
    --danger-bg: #3a1d1d;
    --ok: #56d364;
    --ok-bg: #173522;
    --warn: #e3b341;
    --warn-bg: #3a2f12;
    --info-bg: #15263f;
    --shadow: none;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1419;
  --surface: #171e26;
  --surface-2: #1f2832;
  --text: #e6edf3;
  --muted: #9aa7b6;
  --border: #2d3947;
  --primary: #4d8dff;
  --primary-text: #0b1220;
  --primary-hover: #74a6ff;
  --danger: #ff7b72;
  --danger-bg: #3a1d1d;
  --ok: #56d364;
  --ok-bg: #173522;
  --warn: #e3b341;
  --warn-bg: #3a2f12;
  --info-bg: #15263f;
  --shadow: none;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1 0 auto; padding-top: 1.5rem; padding-bottom: 2.5rem; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 0.6rem; }
h1 { font-size: 1.6rem; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }
p { margin: 0 0 0.75rem; }
a { color: var(--primary); }
a:hover { color: var(--primary-hover); }
code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.9rem; }

.container { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 560px; margin: 0 auto; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.right { text-align: right; }
.inline { display: inline; margin: 0; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
.skip-link {
  position: absolute; left: 12px; top: -48px; background: var(--surface); color: var(--text);
  padding: 8px 12px; border-radius: 6px; z-index: 10;
}
.skip-link:focus { top: 8px; }

:focus-visible { outline: none; box-shadow: var(--focus); border-radius: 4px; }

/* Cabeçalho */
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; min-height: 56px; }
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.nav a { color: var(--text); text-decoration: none; }
.nav a:hover { color: var(--primary); }
.link-button {
  background: none; border: 0; padding: 0; color: var(--text); cursor: pointer; font: inherit;
}
.link-button:hover { color: var(--primary); }

.site-footer { border-top: 1px solid var(--border); color: var(--muted); padding: 16px 0; font-size: 0.9rem; }

/* Botões */
.button {
  display: inline-block; background: var(--primary); color: var(--primary-text);
  border: 1px solid transparent; border-radius: 8px; padding: 9px 16px;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; line-height: 1.2;
}
.button:hover { background: var(--primary-hover); color: var(--primary-text); }
.button.secondary { background: transparent; color: var(--primary); border-color: var(--primary); }
.button.secondary:hover { background: var(--info-bg); color: var(--primary); }
.button.danger { background: var(--danger); color: #fff; }
.button.danger:hover { background: var(--danger); filter: brightness(0.92); color: #fff; }
.button.small { padding: 6px 11px; font-size: 0.9rem; }
.button:disabled { opacity: 0.6; cursor: not-allowed; }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 16px; }
.actions-cell { white-space: nowrap; }
.actions-cell form + form { margin-top: 6px; }

/* Cartões e layout */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); margin-bottom: 18px;
}
.hero { padding: 24px 0 8px; }
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 680px; }
.grid-2, .grid-3, .grid-4, .grid-5, .grid-3 { display: grid; gap: 14px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: end; }
.grid-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: end; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }

@media (max-width: 900px) {
  .grid-3, .grid-4, .grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4, .grid-5 { grid-template-columns: 1fr; }
  .card { padding: 14px; }
  .page-head .button { width: 100%; text-align: center; }
  .actions .button { width: 100%; text-align: center; }
  .actions form { width: 100%; }
  .nav { gap: 10px; }
}

/* Formulários */
.form { display: block; }
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; min-width: 0; }
.field .label, .field > label { font-weight: 600; font-size: 0.95rem; }
input[type="text"], input[type="number"], input[type="tel"], input[type="password"], input[type="datetime-local"], select, textarea {
  width: 100%; min-width: 0; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text); font: inherit;
}
select[multiple] { min-height: 180px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: var(--focus); }
.hint { color: var(--muted); font-size: 0.85rem; margin: 0; }
.error { color: var(--danger); font-size: 0.88rem; margin: 0; font-weight: 600; }
.has-error input, .has-error select { border-color: var(--danger); }
.checks { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 4px; }
.check { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; }
.check input { width: 18px; height: 18px; accent-color: var(--primary); }
.row-form { border-bottom: 1px solid var(--border); padding: 12px 0; }
.row-form:last-child { border-bottom: 0; }
.filter { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.filter select { width: auto; min-width: 180px; }
.reject-form { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.reject-form input { min-width: 180px; flex: 1 1 180px; padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; background: var(--surface); color: var(--text); font: inherit; }
details { margin-bottom: 14px; }
summary { cursor: pointer; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.track-block { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }
.layouts { list-style: none; padding: 0; margin: 0 0 10px; }
.layouts li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--border); }

/* Tabelas responsivas (rolam horizontalmente dentro do próprio bloco, nunca a página) */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin-bottom: 18px; }
table { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--surface-2); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; border-bottom: 1px solid var(--border); }
.tabs a { padding: 8px 12px; text-decoration: none; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs a[aria-current="page"] { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }

/* Detalhes */
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; overflow-wrap: anywhere; }

pre.code {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; overflow: auto; max-width: 100%; margin: 0; max-height: 480px;
}

/* Status e alertas */
.badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 0.8rem; font-weight: 600;
  background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap;
}
.badge-approved, .badge-finished { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.badge-submitted, .badge-running { background: var(--info-bg); color: var(--primary); border-color: transparent; }
.badge-rejected, .badge-failed { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.badge-draft { background: var(--warn-bg); color: var(--warn); border-color: transparent; }

.flash { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; border: 1px solid var(--border); }
.flash-success { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.flash-error { background: var(--danger-bg); color: var(--danger); border-color: transparent; }
.flash-info, .notice { background: var(--info-bg); color: var(--text); border-color: transparent; }
.notice { padding: 10px 12px; border-radius: 8px; }

@media (max-width: 480px) {
  h1 { font-size: 1.35rem; }
  .facts { grid-template-columns: 1fr; }
  .facts dt { margin-top: 6px; }
}