:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --surface: #ffffff;
  --border: #d8dce3;
  --text: #1c2024;
  --muted: #667085;
  --accent: #2f6feb;
  --on: #157347;
  --on-bg: #e6f4ec;
  --off: #8a8f98;
  --off-bg: #eceef1;
  --erro: #b42318;
  --erro-bg: #fdecea;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --surface: #1c2024;
    --border: #313742;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --accent: #6aa1ff;
    --on: #4ac47f;
    --on-bg: #16301f;
    --off: #9aa1ab;
    --off-bg: #262b31;
    --erro: #ff8a80;
    --erro-bg: #3a1d1a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 1.05rem; margin: 0; }
.topbar .user { color: var(--muted); font-size: 0.85rem; }

main { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

.filtros {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.campo { display: flex; flex-direction: column; gap: 0.25rem; }
.campo.busca { flex: 1 1 240px; }
.campo label { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }

select, input[type="search"] {
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  min-width: 150px;
}

.campo.busca input { width: 100%; }

button {
  padding: 0.45rem 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  cursor: pointer;
}

button:hover { border-color: var(--accent); }
button[disabled] { opacity: 0.5; cursor: progress; }

button.primario { background: var(--accent); border-color: var(--accent); color: #fff; }
button.toggle.on { border-color: var(--off); }
button.toggle.off { border-color: var(--on); color: var(--on); }

.contador { color: var(--muted); font-size: 0.85rem; margin: 1.2rem 0 0.5rem; }

table.produtos {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

table.produtos th, table.produtos td {
  padding: 0.6rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

table.produtos th { font-size: 0.75rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.03em; }
table.produtos tr:last-child td { border-bottom: none; }
table.produtos td.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.85rem; }
table.produtos td.acoes { width: 1%; white-space: nowrap; }
table.produtos form { margin: 0; }

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge.on { background: var(--on-bg); color: var(--on); }
.badge.off { background: var(--off-bg); color: var(--off); }

.hint { font-size: 0.72rem; color: var(--muted); margin-left: 0.4rem; }
.hint.erro { color: var(--erro); }

.row-error td { background: var(--erro-bg); }

.alerta {
  margin-top: 1rem;
  padding: 0.7rem 0.9rem;
  border-radius: 6px;
  background: var(--erro-bg);
  color: var(--erro);
  border: 1px solid var(--erro);
}

.vazio { color: var(--muted); }

.paginacao { display: flex; gap: 1rem; margin-top: 1rem; }
.paginacao a { color: var(--accent); text-decoration: none; font-size: 0.9rem; }
.paginacao a:hover { text-decoration: underline; }