/* Mac Fitness Remote — site stylesheet.
   Surfaces come from the Mac Fitness token set (tokens.ts, DARK). The one accent
   is the remote's own red, and it is used only where the remote uses it: to mean
   force. Chrome is black, white and grey. No gradients, no glow. */

:root {
  color-scheme: dark;
  --bg: #0B0B0D;
  --surface: #131316;
  --surface2: #1A1A1E;
  --surface3: #222227;
  --border: #26262B;
  --border-soft: #1C1C20;
  --border-strong: #2E2E34;
  --text: #F4F4F6;
  --text2: #B5B5BC;
  --text3: #76767E;
  --text4: #45454C;
  --red: #ff4757;
  --gold: #f5b83d;
  --sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Inter, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gutter: 16px;
  --measure: 66ch;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 var(--sans);
  overflow-x: hidden;
}
a { color: var(--text); text-decoration: underline; text-decoration-color: var(--text4); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--text2); }
h1, h2, h3, h4 { font-weight: 600; letter-spacing: -0.01em; line-height: 1.2; margin: 0; }
h1 { font-size: 36px; }
h2 { font-size: 26px; margin-top: 56px; margin-bottom: 14px; padding-top: 24px; border-top: 1px solid var(--border-soft); }
h3 { font-size: 19px; margin-top: 32px; margin-bottom: 8px; }
p { margin: 0 0 16px; max-width: var(--measure); }
ul, ol { margin: 0 0 16px; padding-left: 22px; max-width: var(--measure); }
li { margin: 6px 0; }
li::marker { color: var(--text3); }
hr { border: 0; border-top: 1px solid var(--border-soft); margin: 40px 0; }
strong { font-weight: 600; color: var(--text); }
code, kbd {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--text);
}
pre {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  overflow-x: auto;
  max-width: 100%;
}
pre code { background: none; border: 0; padding: 0; font-size: inherit; }
.muted { color: var(--text3); }
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}

/* ── layout ─────────────────────────────────────────────────────────────── */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 var(--gutter); }
main, main.wrap { padding-top: 40px; padding-bottom: 80px; }
.page-title { margin: 8px 0 8px; }
.page-title + ul { margin-top: 24px; }
.lead { font-size: 20px; color: var(--text2); margin-bottom: 28px; }

/* ── top bar ────────────────────────────────────────────────────────────── */
.top {
  border-bottom: 1px solid var(--border-soft);
  background: var(--bg);
  position: sticky; top: 0; z-index: 20;
}
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 56px; gap: 16px; }
.wordmark { font-weight: 600; font-size: 17px; text-decoration: none; letter-spacing: -0.01em; white-space: nowrap; }
.wordmark span { color: var(--text3); font-weight: 400; }
.nav { display: flex; gap: 4px; }
.nav a {
  text-decoration: none;
  color: var(--text2);
  font-size: 15px;
  padding: 7px 10px;
  border-radius: 6px;
}
.nav a:hover { color: var(--text); background: var(--surface2); }
.nav a[aria-current="page"] { color: var(--text); background: var(--surface2); }
@media (max-width: 640px) {
  .top { position: static; }
  .top .wrap { flex-wrap: wrap; height: auto; padding-top: 12px; padding-bottom: 8px; row-gap: 4px; }
  .nav { width: 100%; margin-left: -8px; }
  .nav a { padding: 6px 8px; font-size: 14px; }
}

/* ── buttons ────────────────────────────────────────────────────────────── */
.btn {
  display: inline-block;
  font: 600 15px/1 var(--sans);
  padding: 13px 20px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface2);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  letter-spacing: 0.01em;
}
.btn:hover { background: var(--surface3); border-color: var(--text4); }
.btn.primary { background: var(--text); color: var(--bg); border-color: var(--text); }
.btn.primary:hover { background: #ffffff; }
.btn.red { background: var(--red); color: #fff; border-color: var(--red); }
.btn.red:hover { background: #ff5b69; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }

/* ── callouts ───────────────────────────────────────────────────────────── */
.note, .warn {
  border: 1px solid var(--border);
  border-left: 3px solid var(--text3);
  background: var(--surface);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 20px 0;
  max-width: calc(var(--measure) + 40px);
}
.note p:last-child, .warn p:last-child { margin-bottom: 0; }
.warn { border-left-color: var(--red); }
.warn .eyebrow { color: var(--red); }

/* ── device screens ─────────────────────────────────────────────────────── */
/* Every image under img/screens is rendered by the firmware's own drawing code
   at the panel's native 360x360, then rounded. Shown at 240 CSS px on desktop. */
.screens {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 22px;
  margin: 22px 0 28px;
  max-width: 100%;
}
.screen { width: 240px; max-width: 100%; margin: 0; }
.screen img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 50%;
  background: #000;
  box-shadow: 0 0 0 1px var(--border);
}
.screen figcaption { font-size: 14px; color: var(--text3); margin-top: 10px; line-height: 1.4; }
.screen figcaption b { color: var(--text2); font-weight: 600; }
.screen.sm { width: 172px; }
.screen.lg { width: 300px; }
.mark { width: 160px; margin: 0; }
.mark img { display: block; width: 100%; height: auto; border-radius: 8px; border: 1px solid var(--border); image-rendering: pixelated; }
.mark figcaption { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text3); margin-top: 8px; }
@media (max-width: 640px) { .mark { width: calc(50% - 8px); } }
@media (max-width: 640px) {
  .screens { gap: 16px; }
  .screen { width: calc(50% - 8px); }
  .screen.sm { width: calc(50% - 8px); }
  .screen.lg { width: 100%; max-width: 300px; }
}

/* ── tables ─────────────────────────────────────────────────────────────── */
table { border-collapse: collapse; width: 100%; max-width: 760px; margin: 16px 0 24px; font-size: 15px; }
th, td { text-align: left; padding: 9px 12px 9px 0; border-bottom: 1px solid var(--border-soft); vertical-align: top; }
th { font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); font-weight: 500; }
td:first-child { color: var(--text); font-weight: 500; white-space: nowrap; }
td { color: var(--text2); }
.table-scroll { overflow-x: auto; }

/* ── home ───────────────────────────────────────────────────────────────── */
.hero { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: center; padding: 24px 0 8px; }
.hero h1 { font-size: 44px; }
.hero .lead { margin-top: 16px; }
.hero .screen { width: 320px; justify-self: end; }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 20px; }
  .hero h1 { font-size: 34px; }
  .hero .screen { width: 240px; justify-self: start; order: -1; }
}
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 36px 0; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 10px;
  padding: 20px;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.card:hover { border-color: var(--border-strong); background: var(--surface2); }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--text3); font-size: 15px; }
@media (max-width: 760px) { .cards, .cards.two { grid-template-columns: 1fr; } }

/* ── guide layout ───────────────────────────────────────────────────────── */
.guide { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 48px; align-items: start; }
.toc {
  position: sticky; top: 72px;
  max-height: calc(100vh - 88px);
  overflow-y: auto;
  font-size: 14px;
  padding-right: 8px;
}
.toc ol { list-style: none; padding: 0; margin: 0; }
.toc li { margin: 0; }
.toc a {
  display: block;
  padding: 6px 10px;
  color: var(--text3);
  text-decoration: none;
  border-left: 1px solid var(--border);
  border-radius: 0 6px 6px 0;
}
.toc a:hover { color: var(--text); }
.toc a.active { color: var(--text); border-left-color: var(--text); background: var(--surface); }
.toc summary { display: none; }
.guide-body h2:first-of-type { margin-top: 0; border-top: 0; padding-top: 0; }
.guide-body h2 { scroll-margin-top: 72px; }
.guide-body h3 { scroll-margin-top: 72px; }
@media (max-width: 860px) {
  .guide { grid-template-columns: 1fr; gap: 20px; }
  .toc { position: static; max-height: none; border: 1px solid var(--border); border-radius: 8px; padding: 0; }
  .toc details { padding: 0; }
  .toc summary { display: block; cursor: pointer; padding: 12px 14px; font-weight: 600; color: var(--text); list-style: none; }
  .toc summary::-webkit-details-marker { display: none; }
  .toc summary::after { content: "+"; float: right; color: var(--text3); }
  .toc details[open] summary::after { content: "\2013"; }
  .toc ol { padding: 4px 8px 10px; }
  .toc a { border-left: 0; }
  .toc a.active { background: var(--surface2); }
}

/* ── install page ───────────────────────────────────────────────────────── */
.steps { counter-reset: step; list-style: none; padding: 0; max-width: 720px; }
.steps > li {
  counter-increment: step;
  position: relative;
  padding: 18px 0 18px 56px;
  border-top: 1px solid var(--border-soft);
  margin: 0;
}
.steps > li:last-child { border-bottom: 1px solid var(--border-soft); }
.steps > li::before {
  content: counter(step);
  position: absolute; left: 0; top: 16px;
  width: 36px; height: 36px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--mono); font-size: 14px; color: var(--text2);
}
.steps h3 { margin: 0 0 6px; font-size: 18px; }
.steps p { margin-bottom: 8px; }
.status {
  font-family: var(--mono);
  font-size: 14px;
  padding: 12px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text2);
  margin: 12px 0;
  max-width: 640px;
}
.status.ok { border-color: #39502f; color: #8fbf82; }
.status.flip { border-color: #5a4a20; color: var(--gold); }
.status.bad { border-color: #5a3530; color: #d68f83; }
esp-web-install-button {
  --esp-tools-button-color: var(--text);
  --esp-tools-button-text-color: var(--bg);
  --esp-tools-button-border-radius: 8px;
}
esp-web-install-button button { font: 600 15px/1 var(--sans); padding: 13px 22px; }
[hidden] { display: none !important; }

/* ── the guide's video ───────────────────────────────────────────────────────────── */
.video {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  max-width: 860px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  margin: 8px 0 20px;
}
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video .placeholder {
  position: absolute; inset: 0;
  display: grid; place-items: center; text-align: center;
  color: var(--text3); padding: 24px;
}
.video .placeholder .eyebrow { margin-bottom: 6px; }
.video .play {
  position: absolute; inset: 0; width: 100%; height: 100%;
  background: none; border: 0; cursor: pointer; padding: 0;
}
.video .play img { width: 100%; height: 100%; object-fit: cover; display: block; }
.video .play span {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  background: var(--text); color: var(--bg);
  font: 600 15px/1 var(--sans); padding: 14px 22px; border-radius: 8px;
}

/* ── footer ─────────────────────────────────────────────────────────────── */
footer { border-top: 1px solid var(--border-soft); padding: 28px 0 40px; color: var(--text3); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
footer a { color: var(--text3); }