:root {
  color-scheme: light;
  --ink: #1c1915;
  --muted: #5c564c;
  --line: #d9d1c4;
  --paper: #f4efe6;
  --card: #fffdf8;
  --accent: #1f6b4a;
  --warn: #8a3d2f;
  --chip: #efe6d6;
}

@font-face {
  font-family: Inter;
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-latin.woff2") format("woff2");
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, "Segoe UI", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
}

button, textarea, input { font: inherit; }

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header h1 {
  font-size: 2rem;
  line-height: 1.1;
  margin: 0 0 8px;
}

header p { margin: 0; color: var(--muted); max-width: 42rem; }

.subhead {
  color: var(--ink);
  font-size: 1.6rem;
  line-height: 1.2;
}

.panel {
  margin-top: 24px;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px;
}

.presets { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }

.preset-label { margin: 0; font-size: 0.95rem; color: var(--ink); }

#presets { display: flex; flex-wrap: wrap; gap: 8px; }

.presets button, .actions button, .reveal {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: 6px 12px;
  cursor: pointer;
}

.presets button[aria-pressed="true"], .actions button.primary {
  background: var(--ink);
  color: var(--paper);
}

label { display: block; font-size: 0.85rem; margin: 12px 0 4px; }

textarea {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  padding: 10px;
  min-height: 96px;
  resize: vertical;
}

.actions { display: flex; gap: 8px; align-items: center; margin-top: 12px; }

.status { color: var(--muted); font-size: 0.9rem; }

.banner {
  margin-top: 20px;
  padding: 14px 16px;
  background: #e7f3ec;
  border-left: 4px solid var(--accent);
}

.banner h2 { margin: 0 0 4px; font-size: 1.1rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px;
  min-width: 0;
}

.card.pick { border-color: var(--accent); }

.card h3 { margin: 0 0 8px; }

.metrics { display: grid; gap: 4px; font-size: 0.92rem; margin: 10px 0; }

.metrics div { display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px solid var(--line); padding: 4px 0; }

.answer {
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.4;
  max-height: 280px;
  overflow: auto;
  background: #faf7f1;
  padding: 8px;
}

.note, .error { font-size: 0.85rem; color: var(--muted); }

.error { color: var(--warn); }

.footnote { margin-top: 18px; font-size: 0.8rem; color: var(--muted); }

fieldset {
  border: 1px solid var(--line);
  margin: 12px 0 0;
  padding: 10px 12px;
}

fieldset label { font-size: 0.95rem; }

.method h2, .panel h2 { font-size: 1.15rem; margin: 0 0 8px; }

.method p { margin: 0 0 10px; }

.checks, .catalog { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 0.9rem; }

.checks th, .checks td, .catalog th, .catalog td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 6px 8px 6px 0;
  vertical-align: top;
}

.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.co2e-grid { min-width: 36rem; }

.co2e-grid caption {
  caption-side: bottom;
  text-align: left;
  color: var(--muted);
  font-size: 0.8rem;
  padding-top: 8px;
}

.co2e-grid th:first-child, .co2e-grid td:first-child {
  position: sticky;
  left: 0;
  background: var(--card);
}

.workload {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.75rem;
  white-space: normal;
}

#tradeoff-criteria { border-left: 4px solid var(--accent); }

.ok { color: var(--accent); }

.fail { color: var(--warn); }

.overhead { margin-top: 12px; font-size: 0.9rem; color: var(--muted); }

@media (max-width: 800px) {
  .grid { grid-template-columns: 1fr; }
  header h1 { font-size: 1.6rem; }
  .subhead { font-size: 1.3rem; }
  .wrap { padding: 20px 12px 48px; }
  .co2e-grid { min-width: 0; font-size: 0.92rem; }
  .co2e-grid thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }
  .co2e-grid tr {
    display: block;
    border: 1px solid var(--line);
    margin: 0 0 10px;
    padding: 8px 10px;
  }
  .co2e-grid th, .co2e-grid td {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    border: 0;
    padding: 4px 0;
    position: static;
    white-space: normal;
  }
  .co2e-grid td::before {
    content: attr(data-label);
    color: var(--muted);
    font-weight: 600;
    margin-right: 12px;
  }
}