:root {
  --bg: #f7f7f5; --surface: #ffffff; --border: #e3e2dc; --text: #1f1f1d; --muted: #6b6a64;
  --ok: #3b6d11; --ok-bg: #eaf3de; --atencao: #854f0b; --atencao-bg: #faeeda;
  --alerta: #a32d2d; --alerta-bg: #fcebeb; --neutro-bg: #f1efe8; --accent: #185fa5;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1b1a; --surface: #242423; --border: #3a3a38; --text: #ecebe6; --muted: #a3a29c;
    --ok: #97c459; --ok-bg: #27500a; --atencao: #fac775; --atencao-bg: #633806;
    --alerta: #f09595; --alerta-bg: #791f1f; --neutro-bg: #333331; --accent: #85b7eb;
  }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
h1 { font-size: 20px; font-weight: 600; margin: 0; }
h2 { font-size: 16px; font-weight: 600; margin: 0 0 12px; }
.muted { color: var(--muted); }
button { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 6px 14px; cursor: pointer; }
button:hover { border-color: var(--muted); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); width: 100%; padding: 10px; }
.topo { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 16px 24px; background: var(--surface); border-bottom: 1px solid var(--border); }
.acoes { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.acoes form { margin: 0; }
main { max-width: 1000px; margin: 0 auto; padding: 24px 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; display: flex; flex-direction: column; }
.card strong { font-size: 26px; font-weight: 600; }
.linha { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 2fr) 110px 100px; gap: 16px; align-items: center; width: 100%; text-align: left; padding: 14px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 8px; }
.linha.cabecalho { background: none; border: none; font-size: 13px; color: var(--muted); padding-top: 0; padding-bottom: 4px; }
.barra { height: 8px; background: var(--neutro-bg); border-radius: 4px; overflow: hidden; margin-bottom: 4px; }
.preenche { height: 100%; }
.preenche.ok { background: var(--ok); }
.preenche.atencao { background: var(--atencao); }
.preenche.alerta, .preenche.esgotado { background: var(--alerta); }
.pill { font-size: 12px; padding: 2px 10px; border-radius: 8px; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.atencao { background: var(--atencao-bg); color: var(--atencao); }
.pill.alerta, .pill.esgotado { background: var(--alerta-bg); color: var(--alerta); }
.pill.neutro { background: var(--neutro-bg); color: var(--muted); }
.aviso { background: var(--atencao-bg); color: var(--atencao); border-radius: 8px; padding: 10px 14px; }
.erro { color: var(--alerta); }
.historico { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 16px; margin-top: 16px; }
.barras { display: flex; align-items: flex-end; gap: 4px; height: 160px; overflow-x: auto; }
.coluna { flex: 0 0 28px; height: 100%; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; }
.coluna .valor { width: 100%; background: var(--accent); border-radius: 3px 3px 0 0; }
.coluna small { font-size: 11px; color: var(--muted); }
.rodape { font-size: 13px; margin-top: 24px; }
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 28px; }
.login-card form { display: grid; gap: 14px; margin-top: 16px; }
.login-card label { display: grid; gap: 4px; font-size: 14px; }
.login-card input { font: inherit; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text); }
@media (max-width: 640px) {
  .linha { grid-template-columns: 1fr 1fr; }
  .linha.cabecalho { display: none; }
}