/* Calculator Peptides — Explicit SARMs laboratory tool (light theme) */
:root {
  --bg: #f5f3ee;
  --bg-elev: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c584f;
  --gold: #b8860b;
  --gold-bright: #c9a227;
  --gold-text: #7a5c00;
  --line: #ddd8cc;
  --danger: #9a1c1c;
  --radius: 12px;
  --header: #0c0c0c;
}
* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  font-family: Barlow, "Segoe UI", Helvetica, Arial, sans-serif;
  font-weight: 400;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 17px;
}
.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold-bright);
  color: #111;
  padding: 8px 12px;
  z-index: 10;
}
.skip:focus { left: 8px; }
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
.site-header {
  background: var(--header);
  border-bottom: 3px solid var(--gold-bright);
  padding: 18px 0 16px;
}
.header-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; }
.brand img { display: block; height: 64px; width: auto; background: transparent; }
.brand-tag { margin: 0; color: #e6c34a; font-size: 13px; letter-spacing: .06em; text-transform: uppercase; font-weight: 600; }
main { padding: 28px 20px 64px; }
.disclaimer {
  background: #fff8e6;
  border: 1px solid var(--gold);
  border-radius: var(--radius);
  padding: 14px 16px;
  color: var(--ink);
  margin: 0 0 28px;
}
h1 {
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 16px;
  color: #111;
}
.lede { margin: 0 0 28px; color: var(--ink); }
.calc {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(26, 26, 26, .06);
}
.calc h2 { margin: 0 0 18px; font-size: 1.25rem; color: var(--gold-text); }
.row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: #111; }
.label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}
.label-row label { margin: 0; }
.unit-toggle {
  display: inline-flex;
  border: 1px solid #c4bfb4;
  border-radius: 8px;
  overflow: hidden;
  flex: 0 0 auto;
}
.unit-toggle button {
  appearance: none;
  border: 0;
  margin: 0;
  background: #fff;
  color: #1a1a1a;
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 12px;
  cursor: pointer;
  min-width: 48px;
  min-height: 36px;
}
.unit-toggle button + button { border-left: 1px solid #c4bfb4; }
.unit-toggle button[aria-pressed="true"] {
  background: #1a1a1a;
  color: #f5c400;
}
.unit-toggle button:focus-visible {
  outline: 2px solid var(--gold-text);
  outline-offset: -2px;
  z-index: 1;
}
input[type=number] {
  width: 100%;
  padding: 12px 12px;
  border: 1px solid #c4bfb4;
  border-radius: 8px;
  background: #fff;
  color: #111;
  font: inherit;
  font-size: 18px;
}
input[type=number]:focus {
  outline: 2px solid var(--gold);
  outline-offset: 1px;
  border-color: var(--gold);
}
.hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }
.out { margin-top: 22px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.box {
  background: #faf8f3;
  border: 1px solid var(--line);
  border-top: 3px solid var(--gold-bright);
  border-radius: 10px;
  padding: 14px 12px;
  text-align: center;
}
.box span { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; }
.box b { display: block; font-size: 1.35rem; color: #111; margin-top: 8px; font-weight: 700; }
.sum { margin: 16px 0 0; font-size: 16px; color: var(--ink); }
.msg { margin: 10px 0 0; font-size: 15px; color: var(--danger); min-height: 1.2em; font-weight: 500; }
.prose { margin-top: 40px; }
.prose h2 { font-size: 1.4rem; margin: 0 0 12px; color: #111; }
.prose h3 { font-size: 1.05rem; margin: 22px 0 8px; color: var(--gold-text); }
.prose ol { padding-left: 1.2em; }
.prose li { margin: 8px 0; }
.related { margin-top: 36px; }
a { color: var(--gold-text); text-decoration-thickness: 1px; }
a:hover { color: #5a4300; }
.site-footer {
  background: var(--header);
  padding: 28px 0 40px;
  color: #cfcabf;
  font-size: 14px;
}
.site-footer p { margin: 0 0 10px; }
.site-footer a { color: #e6c34a; }
.site-footer a:hover { color: #ffe28a; }
@media (max-width: 720px) {
  .row, .out { grid-template-columns: 1fr; }
  .brand img { height: 56px; }
  .calc { padding: 18px 16px; }
}