/* OTG - ecoturismo no Zezere
   Tokens: seixo (surface), xisto (ink), rio (brand), giesta (accent).
   Chart series validated (dataviz): light #008DA6/#A66E07/#8A4C8F,
   dark #279DB0/#B98A21/#AD6BB0. */

:root {
  --surface: #F0EFEA;
  --card: #FBFAF6;
  --ink: #24272A;
  --ink-2: #5B6166;
  --line: #D9D5CB;
  --rio: #175E63;
  --rio-strong: #0F484C;
  --giesta: #A66E07;
  --c1: #008DA6;
  --c2: #A66E07;
  --c3: #8A4C8F;
  --good: #2F7D3A;
  --warn: #A66E07;
  --bad: #B3362B;
  --radius: 10px;
  --font-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --font-body: "Public Sans", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Menlo, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --surface: #1C1E20;
    --card: #24272B;
    --ink: #E8E6E1;
    --ink-2: #A9ADB1;
    --line: #3A3E42;
    --rio: #6FC4CE;
    --rio-strong: #8ED4DC;
    --giesta: #D0A13D;
    --c1: #279DB0;
    --c2: #B98A21;
    --c3: #AD6BB0;
    --good: #63B26D;
    --warn: #D0A13D;
    --bad: #E0705F;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
}
a { color: var(--rio); text-underline-offset: 3px; }
a:hover { color: var(--rio-strong); }
:focus-visible { outline: 2px solid var(--rio); outline-offset: 2px; border-radius: 3px; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* nav */
.nav { border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: baseline; gap: 28px; padding-top: 18px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { font-family: var(--font-display); font-weight: 700; font-size: 22px; letter-spacing: 0.01em; color: var(--ink); text-decoration: none; }
.brand small { font-family: var(--font-body); font-weight: 400; font-size: 13px; color: var(--ink-2); margin-left: 10px; letter-spacing: 0; }
.nav-links { margin-left: auto; display: flex; gap: 18px; }
.nav-links a { text-decoration: none; color: var(--ink-2); font-size: 15px; padding: 2px 1px; }
.nav-links a:hover { color: var(--ink); }
.nav-links a[aria-current="page"] { color: var(--ink); border-bottom: 2px solid var(--giesta); }

/* hero */
.hero { padding: 56px 0 8px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin: 0 0 14px;
  max-width: 17ch;
}
.hero .lede { font-size: 18px; color: var(--ink-2); max-width: 58ch; margin: 0 0 8px; }

/* river line (signature) */
.river { margin: 26px 0 8px; }
.river svg { width: 100%; height: auto; display: block; }
.river .water { fill: none; stroke: var(--line); stroke-width: 3; }
.river .water-done { fill: none; stroke: var(--rio); stroke-width: 3; }
.river .gate-dot { fill: var(--surface); stroke: var(--ink-2); stroke-width: 2; }
.river .gate-dot.done { fill: var(--rio); stroke: var(--rio); }
.river .gate-dot.active { fill: var(--giesta); stroke: var(--giesta); }
.river text { font-family: var(--font-mono); font-size: 11.5px; fill: var(--ink-2); }
.river text.gate-id { font-weight: 600; fill: var(--ink); }

/* sections and cards */
section { padding: 30px 0; }
h2 { font-family: var(--font-display); font-weight: 600; font-size: 24px; margin: 0 0 16px; }
h3 { font-size: 17px; margin: 0 0 8px; }
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.card p { margin: 6px 0 0; color: var(--ink-2); font-size: 14.5px; }

/* stat tiles */
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat .value { font-family: var(--font-mono); font-weight: 600; font-size: 26px; letter-spacing: -0.01em; }
.stat .label { font-size: 13px; color: var(--ink-2); }
.stat .delta { font-size: 13px; }
.stat .delta.bad { color: var(--bad); }
.stat .delta.good { color: var(--good); }

/* chips and badges */
.chip {
  display: inline-block; font-size: 12.5px; font-family: var(--font-mono);
  padding: 2px 9px; border-radius: 999px; border: 1px solid var(--line);
  color: var(--ink-2); background: transparent;
}
.chip.pip { color: var(--good); border-color: var(--good); }
.chip.watch { color: var(--warn); border-color: var(--warn); }
.chip.discard { color: var(--bad); border-color: var(--bad); }
.chip.dup { color: var(--bad); border-color: var(--bad); }

/* lists */
.decisions { list-style: none; padding: 0; margin: 0; }
.decisions li { display: flex; gap: 14px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.decisions time { font-family: var(--font-mono); font-size: 12.5px; color: var(--ink-2); white-space: nowrap; padding-top: 2px; }

/* charts */
.chart-block { margin-bottom: 26px; }
.chart-block h3 { margin-bottom: 4px; }
.chart-sub { font-size: 13.5px; color: var(--ink-2); margin: 0 0 10px; }
.chart { position: relative; }
.chart svg { width: 100%; height: auto; display: block; }
.chart .axis-label, .chart .tick-label { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-2); }
.chart .grid-line { stroke: var(--line); stroke-width: 1; }
.chart .zero-line { stroke: var(--ink-2); stroke-width: 1; }
.chart .series-label { font-family: var(--font-body); font-size: 12px; font-weight: 600; fill: var(--ink); }
.legend { display: flex; gap: 18px; flex-wrap: wrap; margin: 8px 0 0; font-size: 13px; color: var(--ink-2); }
.legend .key { display: inline-flex; align-items: center; gap: 7px; }
.legend .swatch { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.tooltip {
  position: absolute; pointer-events: none; z-index: 5;
  background: var(--ink); color: var(--surface);
  font-family: var(--font-mono); font-size: 12.5px;
  padding: 6px 10px; border-radius: 6px; white-space: nowrap;
  transform: translate(-50%, calc(-100% - 10px));
  opacity: 0; transition: opacity 80ms linear;
}
.tooltip.show { opacity: 1; }
details.table-view { margin-top: 8px; }
details.table-view summary { cursor: pointer; font-size: 13.5px; color: var(--ink-2); }
table.data { border-collapse: collapse; width: 100%; margin-top: 10px; font-size: 13.5px; }
table.data th, table.data td { text-align: right; padding: 6px 10px; border-bottom: 1px solid var(--line); font-family: var(--font-mono); }
table.data th:first-child, table.data td:first-child { text-align: left; font-family: var(--font-body); }
.table-scroll { overflow-x: auto; }

/* banner */
.banner {
  border: 1px solid var(--warn); border-radius: var(--radius);
  padding: 12px 16px; font-size: 14px; color: var(--ink);
  background: color-mix(in srgb, var(--warn) 8%, var(--card));
  margin-bottom: 24px;
}

/* pipeline */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.filters button {
  font: inherit; font-size: 13.5px; padding: 5px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent; color: var(--ink-2); cursor: pointer;
}
.filters button[aria-pressed="true"] { background: var(--rio); border-color: var(--rio); color: var(--surface); }
.listing-card h3 { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.listing-meta { display: flex; gap: 16px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 13px; color: var(--ink-2); margin-top: 6px; }
.listing-card .score { font-family: var(--font-mono); font-weight: 600; font-size: 22px; }
.empty { border: 1px dashed var(--line); border-radius: var(--radius); padding: 36px; text-align: center; color: var(--ink-2); }

/* avaliar form */
.form-section { margin-bottom: 30px; }
.hf-row, .w-row { display: grid; gap: 4px 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.hf-row { grid-template-columns: 1fr auto; align-items: center; }
.w-row { grid-template-columns: 1fr 220px 70px; align-items: center; }
.hf-row .hint, .w-row .hint { grid-column: 1 / -1; font-size: 13px; color: var(--ink-2); }
.hf-row fieldset { border: 0; padding: 0; margin: 0; display: flex; gap: 4px; }
.hf-row label {
  font-size: 13px; padding: 4px 12px; border: 1px solid var(--line);
  border-radius: 999px; cursor: pointer; color: var(--ink-2);
}
.hf-row input, .w-row input[type="range"] { accent-color: var(--rio); }
.hf-row input[type="radio"] { position: absolute; opacity: 0; }
.hf-row label:has(input:checked) { background: var(--rio); color: var(--surface); border-color: var(--rio); }
.hf-row label.fail:has(input:checked) { background: var(--bad); border-color: var(--bad); }
.hf-row label:has(input:focus-visible) { outline: 2px solid var(--rio); outline-offset: 2px; }
.w-row output { font-family: var(--font-mono); font-size: 14px; text-align: right; }
.scorebar {
  position: sticky; bottom: 0; background: var(--card); border-top: 2px solid var(--line);
  padding: 14px 0; margin-top: 20px;
}
.scorebar .wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.scorebar .total { font-family: var(--font-mono); font-weight: 600; font-size: 30px; }
.scorebar .actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }
button.primary, button.ghost {
  font: inherit; font-size: 14px; padding: 8px 18px; border-radius: 8px; cursor: pointer;
}
button.primary { background: var(--rio); color: #FFF; border: 1px solid var(--rio); }
button.primary:hover { background: var(--rio-strong); }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
button.ghost:hover { border-color: var(--ink-2); }
input[type="text"], input[type="number"], input[type="url"] {
  font: inherit; font-size: 14px; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; width: 100%;
}
.id-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.id-grid label { font-size: 13px; color: var(--ink-2); display: block; margin-bottom: 4px; }

/* footer */
footer { border-top: 1px solid var(--line); margin-top: 40px; }
footer .wrap { padding: 22px 20px; font-size: 13px; color: var(--ink-2); display: flex; gap: 16px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .w-row { grid-template-columns: 1fr 90px; }
  .w-row input[type="range"] { grid-column: 1 / -1; }
  .nav-links { margin-left: 0; }
}