:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e3e6ea;
  --ink: #1b2126;
  --ink-2: #5d6b77;
  --ink-3: #8b98a5;
  --accent: #1f6f8b;
  --warm: #c85a3c;
  --cool: #2f7fbf;
  --rain: #3b7ea1;
  --shadow: 0 1px 2px rgba(16, 24, 32, .06), 0 4px 12px rgba(16, 24, 32, .04);
  --r: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181c;
    --panel: #1c2126;
    --border: #2b3238;
    --ink: #e6eaee;
    --ink-2: #9aa7b2;
    --ink-3: #6d7b86;
    --accent: #57b0cc;
    --warm: #e5825f;
    --cool: #6fb2e5;
    --rain: #5fa8cc;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 4px 14px rgba(0, 0, 0, .22);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 "Segoe UI", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ---------- cabecalho ---------- */
header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 18px 24px 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.head-row { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: flex-end; }
h1 { font-size: 19px; margin: 0 0 3px; font-weight: 650; letter-spacing: -.2px; }
.sub { color: var(--ink-2); font-size: 12.5px; }
.spacer { flex: 1 1 auto; }

.controls { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field > span { font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
input[type=date], select, button {
  font: inherit;
  font-size: 13.5px;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 6px 9px;
}
button { cursor: pointer; background: var(--panel); }
button:hover { border-color: var(--accent); color: var(--accent); }
.presets { display: flex; gap: 6px; }
.presets button { padding: 6px 11px; font-size: 12.5px; }
.presets button[aria-pressed=true] { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------- layout ---------- */
main { padding: 20px 24px 56px; max-width: 1600px; margin: 0 auto; }
section { margin-bottom: 22px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 16px 18px 18px;
}
.panel > h2 {
  font-size: 13px;
  margin: 0 0 2px;
  font-weight: 650;
  letter-spacing: -.1px;
}
.panel > .hint { font-size: 12px; color: var(--ink-3); margin: 0 0 14px; }

/* minmax(min(Npx, 100%), 1fr): as colunas encolhem junto com a tela em vez de
   estourar a largura do body quando ela fica menor que N. */
.grid { display: grid; gap: 16px; }
.g-kpi { grid-template-columns: repeat(auto-fit, minmax(min(158px, 100%), 1fr)); }
.g-2 { grid-template-columns: repeat(auto-fit, minmax(min(420px, 100%), 1fr)); }
.g-3 { grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); }
.grid > * { min-width: 0; }

/* ---------- KPIs ---------- */
.kpi { background: var(--panel); border: 1px solid var(--border); border-radius: var(--r);
       box-shadow: var(--shadow); padding: 13px 15px 14px; }
.kpi .k-label { font-size: 10.5px; letter-spacing: .07em; text-transform: uppercase;
                color: var(--ink-3); font-weight: 600; }
.kpi .k-value { font-size: 25px; font-weight: 640; letter-spacing: -.6px; margin: 5px 0 1px;
                font-variant-numeric: tabular-nums; }
.kpi .k-value small { font-size: 13px; font-weight: 500; color: var(--ink-2); margin-left: 2px; letter-spacing: 0; }
.kpi .k-foot { font-size: 11.5px; color: var(--ink-2); }
.kpi.warm .k-value { color: var(--warm); }
.kpi.cool .k-value { color: var(--cool); }
.kpi.rain .k-value { color: var(--rain); }

/* ---------- graficos ---------- */
.chart-box { position: relative; height: 320px; min-width: 0; }
.chart-box.tall { height: 380px; }
.chart-box.short { height: 260px; }

/* ---------- heatmap ---------- */
.hm-wrap { overflow-x: auto; }
table.hm { border-collapse: separate; border-spacing: 2px; font-size: 11.5px;
           font-variant-numeric: tabular-nums; }
table.hm th { font-weight: 600; color: var(--ink-3); font-size: 10.5px; padding: 2px 5px;
              text-align: center; white-space: nowrap; }
table.hm th.yr { text-align: right; padding-right: 8px; }
table.hm td { width: 44px; height: 23px; text-align: center; border-radius: 4px;
              color: #12181d; font-weight: 550; }
table.hm td.na { background: var(--bg); color: var(--ink-3); font-weight: 400; }
.hm-legend { display: flex; align-items: center; gap: 8px; margin-top: 12px;
             font-size: 11.5px; color: var(--ink-2); }
.hm-legend .bar { height: 9px; width: 190px; border-radius: 5px; }

/* ---------- rosa dos ventos ---------- */
.rose-wrap { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: center; }
.rose-legend { font-size: 12px; color: var(--ink-2); display: flex; flex-direction: column; gap: 6px; }
.rose-legend .row { display: flex; align-items: center; gap: 7px; }
.rose-legend .sw { width: 13px; height: 13px; border-radius: 3px; flex: none; }
.rose-note { font-size: 11.5px; color: var(--ink-3); margin-top: 8px; }

/* ---------- tabelas de recordes ---------- */
.rec h3 { font-size: 11.5px; margin: 0 0 7px; color: var(--ink-2); font-weight: 650;
          letter-spacing: .02em; }
table.rec-t { width: 100%; border-collapse: collapse; font-size: 12.5px;
              font-variant-numeric: tabular-nums; }
table.rec-t td { padding: 4px 0; border-bottom: 1px solid var(--border); }
table.rec-t tr:last-child td { border-bottom: 0; }
table.rec-t td:last-child { text-align: right; font-weight: 600; }
table.rec-t td:first-child { color: var(--ink-2); }

/* ---------- cobertura ---------- */
.cov { display: grid; gap: 9px; }
.cov .row { display: grid; grid-template-columns: 1fr 46px; gap: 10px; align-items: center;
            font-size: 12.5px; }
.cov .track { height: 7px; background: var(--bg); border-radius: 4px; overflow: hidden;
              border: 1px solid var(--border); }
.cov .fill { height: 100%; background: var(--accent); }
.cov .pct { text-align: right; color: var(--ink-2); font-variant-numeric: tabular-nums; font-size: 12px; }
.cov .lbl { display: flex; justify-content: space-between; gap: 8px; margin-bottom: 3px; }
.notes { font-size: 12px; color: var(--ink-2); line-height: 1.65; margin: 0; padding-left: 18px; }
.notes li { margin-bottom: 5px; }

footer { color: var(--ink-3); font-size: 11.5px; text-align: center; padding: 0 24px 30px; }

.loading { color: var(--ink-3); font-size: 13px; padding: 20px 0; text-align: center; }
.erro { color: var(--warm); font-size: 13px; padding: 16px 0; }

@media (max-width: 640px) {
  main { padding: 14px 12px 40px; }
  header { padding: 14px 12px; }
  .panel { padding: 14px 13px 15px; }
  .chart-box, .chart-box.tall { height: 280px; }
  /* o cabecalho de cada painel empilha em vez de disputar a linha com os seletores */
  .panel .head-row { flex-direction: column; align-items: stretch; }
  .panel .spacer { display: none; }
  #rose svg { max-width: 100%; height: auto; }
}