:root {
  --bg: #FBFAF7;
  --surface: #FFFFFF;
  --surface-2: #F4F2EC;
  --border: #E4E1D7;
  --text: #1B1A17;
  --text-2: #6A6862;
  --accent: #0F6E56;
  --accent-bg: #E1F5EE;
  --amber: #B26B00;
  --amber-bg: #FAEEDA;
  --blue: #185FA5;
  --radius: 12px;
  --mono: ui-monospace, "SF Mono", "Roboto Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: var(--sans); -webkit-text-size-adjust: 100%; }
body { padding-bottom: 64px; }

a { color: var(--blue); }

.topbar {
  position: sticky; top: 0; z-index: 20;
  background: var(--surface); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
}
.topbar h1 { font-size: 16px; font-weight: 600; }
.topbar a.brand, .topbar .brand {
  font-size: 16px; font-weight: 600; color: var(--text); text-decoration: none;
}
.topbar .tag { font-size: 11px; color: var(--text-2); }
.topbar .spacer { margin-left: auto; }
.topbar a.link { font-size: 12px; text-decoration: none; color: var(--text-2); }

.nav {
  display: flex; gap: 6px; overflow-x: auto; padding: 10px 12px;
  background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 49px; z-index: 19;
}
.nav button {
  flex: 0 0 auto; font: inherit; font-size: 13px; cursor: pointer;
  background: var(--surface-2); color: var(--text-2);
  border: 1px solid var(--border); border-radius: 999px;
  padding: 7px 14px; white-space: nowrap;
}
.nav button[aria-selected="true"] { background: var(--accent); color: #fff; border-color: var(--accent); }

.wrap { max-width: 720px; margin: 0 auto; padding: 16px; }

.intro { max-width: 720px; margin: 0 auto; padding: 16px 16px 4px; }
.intro h1 { font-size: 20px; font-weight: 600; }
.intro p { font-size: 13px; color: var(--text-2); line-height: 1.55; margin-top: 6px; }
.intro a { font-size: 13px; }

.module-head { margin: 6px 2px 14px; }
.module-head h2 { font-size: 20px; font-weight: 600; }
.module-head p { font-size: 13px; color: var(--text-2); margin-top: 4px; }

.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: start; }
@media (min-width: 561px) { .cols .panel:last-child { position: sticky; top: 112px; } }
@media (max-width: 560px) {
  .cols { grid-template-columns: 1fr; }
  .field { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
  .field > label { margin-bottom: 0; flex: 0 0 38%; max-width: 140px; line-height: 1.3; }
  .field > .inrow { flex: 1 1 0; min-width: 0; }
  .field > .ts { flex: 0 0 100%; margin-top: 4px; }
}

.panel {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
}
.panel h3 {
  font-size: 11px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--text-2); margin-bottom: 12px;
}

.field { margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
.field label { display: block; font-size: 12px; color: var(--text-2); margin-bottom: 5px; }
.field .inrow { display: flex; align-items: stretch; }
.field input, .field select {
  font: inherit; font-size: 16px; width: 100%;
  padding: 10px 12px; color: var(--text);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 9px; outline: none;
}
.field input:focus, .field select:focus { border-color: var(--accent); }
.field .unit {
  display: flex; align-items: center; padding: 0 10px; font-size: 12px;
  color: var(--text-2); background: var(--surface-2);
  border: 1px solid var(--border); border-left: none;
  border-radius: 0 9px 9px 0; white-space: nowrap;
}
.field .inrow input { border-radius: 9px 0 0 9px; }
.field .inrow input:only-child { border-radius: 9px; }

/* --- Inline field layout: label left, control right, one line --- */
.field--select {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.field--select > label {
  margin-bottom: 0; flex: 0 0 38%; max-width: 140px; line-height: 1.3;
}
.field--select > .inrow { flex: 1 1 0; min-width: 0; }
.field--select > .ts { flex: 0 0 100%; margin-top: 4px; }

/* Label and value on one line (label left, value right) — compact for mobile,
   less vertical scrolling. Copy button shows only on the primary result. */
.out {
  display: flex; align-items: baseline; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.out:last-child { border-bottom: none; }
.out .ol { font-size: 13px; color: var(--text-2); line-height: 1.35; }
.out .ov {
  margin-left: auto; text-align: right; white-space: nowrap;
  font-size: 16px; font-weight: 600;
  display: flex; align-items: baseline; gap: 5px;
}
.out .ov .ou { font-size: 11px; font-weight: 500; color: var(--text-2); }
.out.primary { padding-top: 11px; }
.out.primary .ol { color: var(--text); font-weight: 600; font-size: 14px; }
.out.primary .ov { color: var(--accent); font-size: 21px; }
.out .copy {
  font: inherit; font-size: 11px; cursor: pointer; align-self: center;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-2); border-radius: 6px; padding: 3px 9px;
}
.out .copy:active { background: var(--accent-bg); }

.ts { font-size: 11px; color: var(--text-2); margin: 10px 2px 0; }
.ts.stale { color: var(--amber); }
.ts.stale::before { content: "⚠ "; }

.toolbar { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 2px 0; }
.toolbar button {
  font: inherit; font-size: 12px; cursor: pointer;
  background: var(--surface); border: 1px solid var(--border);
  color: var(--text-2); border-radius: 999px; padding: 6px 12px;
}
.toolbar button.warn { color: #A32D2D; }

.note {
  font-size: 12px; color: var(--text-2); line-height: 1.55;
  border-left: 2px solid var(--border); padding-left: 10px; margin: 14px 2px 0;
}
.prov { font-size: 11px; color: var(--text-2); margin-top: 8px; }
.prov code { font-family: var(--mono); font-size: 10px; }

.adslot {
  position: fixed; left: 0; right: 0; bottom: 0; height: 56px;
  display: none; align-items: center; justify-content: center;
  background: var(--surface-2); border-top: 1px solid var(--border);
  font-size: 11px; color: var(--text-2); z-index: 30;
}
.adslot.on { display: flex; }

.consent {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 40;
  background: var(--text); color: #fff; border-radius: 10px;
  padding: 12px 14px; font-size: 12px; display: flex; gap: 12px; align-items: center;
  max-width: 560px; margin: 0 auto;
}
.consent button {
  font: inherit; font-size: 12px; cursor: pointer; margin-left: auto;
  background: #fff; color: var(--text); border: none;
  border-radius: 7px; padding: 7px 14px; font-weight: 600;
}
.hidden { display: none !important; }