/* Phalarope site: cobalt and amber, a paper disc on a clean ground. */
:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --ink: #17192a;
  --muted: #576078;
  --accent: #2f5db8;
  --accent-amber: #e0873a;
  --accent-gradient: linear-gradient(135deg, #2f5db8 0%, #e0873a 100%);
  --accent-glow: rgba(47, 93, 184, 0.35);
  --line: #dde2ee;
  --wash: #eef2fa;
  --good: #1f7a5c;
  --warn: #b5541c;
  --neutral: #4a5675;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #11131c;
    --card: #1a1d2a;
    --ink: #eef0f8;
    --muted: #aab2c8;
    --accent: #6f98ec;
    --accent-amber: #f0a15a;
    --accent-gradient: linear-gradient(135deg, #4f7fd8 0%, #e0873a 100%);
    --accent-glow: rgba(111, 152, 236, 0.35);
    --line: #2c3144;
    --wash: #20263a;
    --good: #5fcf9f;
    --warn: #f0a15a;
    --neutral: #aab2c8;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 48px 16px 80px;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 900px; margin: 0 auto; }
.hero { text-align: center; margin-bottom: 40px; }
.icon {
  width: 112px; height: 112px; margin: 0 auto 14px; display: block;
  border-radius: 22.5%;
  filter: drop-shadow(0 12px 24px rgba(47, 93, 184, 0.25));
}
h1 { font-size: 34px; margin: 0 0 6px; letter-spacing: -0.4px; }
.tagline { color: var(--muted); margin: 0; font-size: 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 26px 28px;
  margin-bottom: 20px;
}
h2 { font-size: 22px; margin: 0 0 12px; letter-spacing: -0.3px; }
h3 { font-size: 17px; margin: 22px 0 6px; }
p, li { color: var(--ink); }
p.note, li.note { color: var(--muted); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--accent); }
code { font-size: 0.92em; }
nav.links { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 18px; }
nav.links a {
  text-decoration: none; font-weight: 500;
  border: 1px solid var(--line); background: var(--card);
  padding: 9px 16px; border-radius: 999px;
}
footer { text-align: center; color: var(--muted); font-size: 14px; margin-top: 36px; }
footer a { color: var(--muted); }

/* Interactive disc demo */
.ph-stage {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}
.ph-stage h2 { margin: 0 0 4px; text-align: center; }
.ph-lead { text-align: center; color: var(--muted); margin: 0 auto 18px; max-width: 560px; }
.ph-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: center; }
@media (max-width: 720px) { .ph-grid { grid-template-columns: minmax(0, 1fr); } }
.ph-disc-box {
  background: var(--wash); border-radius: 20px; padding: 10px;
  display: flex; justify-content: center;
}
#phCanvas { width: 100%; max-width: 440px; aspect-ratio: 1; display: block; touch-action: manipulation; }
.ph-panel { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.ph-verdict {
  border-radius: 16px; padding: 12px 16px;
  border: 1px solid var(--line); border-left: 6px solid var(--neutral);
  background: var(--wash);
}
.ph-verdict.good { border-left-color: var(--good); }
.ph-verdict.warn { border-left-color: var(--warn); }
.ph-verdict.neutral { border-left-color: var(--neutral); }
.ph-verdict-head { font-size: 19px; font-weight: 700; letter-spacing: -0.2px; }
.ph-verdict.good .ph-verdict-head { color: var(--good); }
.ph-verdict.warn .ph-verdict-head { color: var(--warn); }
.ph-verdict-sub { color: var(--muted); font-size: 14.5px; margin: 2px 0 0; }
.ph-field { display: flex; flex-direction: column; gap: 6px; }
.ph-label { font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
.ph-rpm-row { display: flex; align-items: center; gap: 10px; }
.ph-rpm-row input[type=range] { flex: 1; min-width: 0; accent-color: var(--accent); }
.ph-rpm-val { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 8ch; text-align: right; }
.ph-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.ph-chip {
  font: inherit; font-size: 14px; font-weight: 600; color: var(--ink);
  background: var(--card); border: 1px solid var(--line);
  padding: 7px 14px; border-radius: 999px; cursor: pointer;
}
.ph-chip:hover { border-color: var(--accent); }
.ph-chip[aria-pressed="true"] {
  background: var(--accent-gradient); color: #fff; border-color: transparent;
  box-shadow: 0 4px 14px var(--accent-glow);
}
.ph-chip:focus-visible, #phRpm:focus-visible { outline: 3px solid var(--accent-amber); outline-offset: 2px; }
.ph-chip.action { background: color-mix(in srgb, var(--accent) 12%, var(--card)); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.ph-stats { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; margin: 0; font-size: 14.5px; }
.ph-stats dt { color: var(--muted); }
.ph-stats dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
.ph-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }