:root {
  --blue: #2563eb;
  --bg: #f7f8fa;
  --card: #fff;
  --line: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --green: #16a34a;
  --red: #dc2626;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.center { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.brand { color: var(--blue); font-size: 22px; margin: 0 0 16px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
input, textarea, select {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  margin-top: 4px;
  font-family: inherit;
}
textarea { min-height: 70px; resize: vertical; }
.btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 14px;
  cursor: pointer;
  font-weight: 600;
}
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.danger { color: var(--red); border-color: var(--red); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.error { color: var(--red); font-size: 13px; min-height: 18px; }

/* layout app */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: #fff; border-bottom: 1px solid var(--line);
  padding: 12px 24px;
}
.layout { display: flex; }
.side {
  width: 220px; min-height: calc(100vh - 53px);
  background: #fff; border-right: 1px solid var(--line); padding: 16px 0;
}
.side a {
  display: block; padding: 10px 24px; color: var(--text);
  text-decoration: none; font-size: 14px; cursor: pointer;
}
.side a.active { background: #eff4ff; color: var(--blue); font-weight: 600; border-right: 3px solid var(--blue); }
.main { flex: 1; padding: 24px; }
.row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.row h2 { margin: 0; font-size: 18px; }

table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.tag.on { background: #dcfce7; color: var(--green); }
.tag.off { background: #fee2e2; color: var(--red); }

.toggle { display: flex; align-items: center; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--line); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
code, pre { font-family: ui-monospace, Menlo, monospace; font-size: 13px; }
pre { background: #0f172a; color: #e2e8f0; padding: 16px; border-radius: 8px; overflow: auto; }
.muted { color: var(--muted); font-size: 13px; }
.hidden { display: none !important; }

/* editor: menu lateral + conteúdo + preview (estilo vTurb) */
.ed-wrap {
  display: grid;
  grid-template-columns: 180px 1fr 360px;
  gap: 16px;
  align-items: start;
}
.ed-side {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px;
  position: sticky;
  top: 16px;
}
.ed-side a {
  display: block;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
}
.ed-side a:hover { background: #f3f4f6; }
.ed-side a.active { background: #eff4ff; color: var(--blue); font-weight: 600; }
.ed-content { min-width: 0; }
.ed-sec .card + .card { margin-top: 16px; }

.ed-preview {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  position: sticky;
  top: 16px;
}
.ed-pvhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}
.ed-pvtabs { display: flex; gap: 6px; }
.ed-pvbox {
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  margin: 0 auto;
  transition: max-width 0.2s ease;
}
.ed-pvbox.desk { max-width: 100%; }
.ed-pvbox.mob { max-width: 220px; }
.ed-pvempty {
  padding: 40px 16px;
  text-align: center;
  color: #9ca3af;
  font-size: 13px;
  background: #0f172a;
}

@media (max-width: 1100px) {
  .ed-wrap { grid-template-columns: 160px 1fr; }
  .ed-preview { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .ed-wrap { grid-template-columns: 1fr; }
  .ed-side { position: static; display: flex; flex-wrap: wrap; gap: 4px; }
  .ed-side a { flex: 0 0 auto; }
}