:root {
  color-scheme: light;
  --ink: #17313a;
  --muted: #5f7279;
  --ocean: #174f65;
  --ocean-2: #2b7289;
  --sand: #f4efe5;
  --card: rgba(255, 255, 255, .82);
  --line: rgba(23, 79, 101, .16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 4%, rgba(94, 160, 178, .2), transparent 34rem),
    radial-gradient(circle at 90% 14%, rgba(202, 132, 83, .13), transparent 30rem),
    linear-gradient(145deg, #f8f5ee 0%, #edf3f2 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: inherit; }
button, select { font: inherit; }

.page-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }

.page-head {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 800; text-decoration: none; }
.brand > span:first-child { font-size: 1.45rem; }
.head-actions { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }

.install-help {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px;
  border: 1px solid rgba(170, 101, 62, .24);
  border-radius: 14px;
  color: #70452f;
  background: rgba(255, 245, 230, .92);
  box-shadow: 0 10px 28px rgba(73, 50, 34, .08);
}
.install-help[hidden] { display: none; }
.install-help strong, .install-help span { display: block; }
.install-help span { margin-top: 3px; font-size: .82rem; line-height: 1.45; }
.install-help button { border: 0; color: #70452f; background: transparent; font-size: 1.3rem; cursor: pointer; }

.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ocean);
  background: rgba(255,255,255,.75);
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}
.button:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(23, 79, 101, .12); }
.button-primary { color: white; border-color: transparent; background: linear-gradient(135deg, var(--ocean), var(--ocean-2)); }
.button-wide { width: 100%; border-radius: 12px; margin-top: 8px; }

.intro { max-width: 740px; padding: 58px 0 38px; }
.eyebrow, .panel-kicker { margin: 0 0 10px; color: #aa653e; font-size: .75rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
h1 { max-width: 680px; margin: 0; font-family: Georgia, serif; font-size: clamp(2.5rem, 6vw, 5.3rem); line-height: .98; letter-spacing: -.045em; }
.intro > p:last-child { max-width: 650px; margin: 24px 0 0; color: var(--muted); font-size: 1.05rem; line-height: 1.75; }

.install-spotlight { position: relative; display: grid; grid-template-columns: 1.12fr .88fr; gap: 26px; overflow: hidden; margin: 0 0 28px; padding: clamp(24px, 4vw, 42px); border: 1px solid rgba(44,114,137,.25); border-radius: 28px; color: #effafa; background: linear-gradient(125deg, #123e50, #1f687c 58%, #4d8a94); box-shadow: 0 26px 62px rgba(23,79,101,.21); }
.install-spotlight::after { content:""; position:absolute; width:500px; height:500px; right:-250px; top:-380px; border:1px solid rgba(255,255,255,.18); border-radius:50%; box-shadow:0 0 0 34px rgba(255,255,255,.05),0 0 0 68px rgba(255,255,255,.04); pointer-events:none; }
.install-spotlight .eyebrow { color: #cbeff2; }
.install-spotlight h2 { position:relative; z-index:1; max-width:520px; margin:0; font-family:Georgia,serif; font-size:clamp(1.85rem,3.8vw,3.1rem); line-height:1; letter-spacing:-.04em; }
.install-spotlight p:not(.eyebrow) { position:relative; z-index:1; max-width:530px; margin:15px 0 0; color:rgba(239,250,250,.78); line-height:1.65; }
.device-pills { position:relative; z-index:1; display:flex; flex-wrap:wrap; gap:8px; margin-top:22px; }
.device-pills span { padding:8px 10px; border:1px solid rgba(255,255,255,.2); border-radius:999px; background:rgba(255,255,255,.1); font-size:.76rem; font-weight:750; backdrop-filter:blur(8px); }
.mini-steps { position:relative; z-index:1; display:grid; align-content:center; gap:10px; margin:0; padding:0; list-style:none; }
.mini-steps li { display:grid; grid-template-columns:34px 1fr; gap:12px; align-items:center; padding:12px; border:1px solid rgba(255,255,255,.14); border-radius:15px; background:rgba(5,36,46,.18); backdrop-filter:blur(10px); }
.mini-steps b { color:#cbeff2; font-size:.72rem; letter-spacing:.08em; }
.mini-steps strong,.mini-steps small { display:block; }
.mini-steps strong { font-size:.83rem; }
.mini-steps small { margin-top:3px; color:rgba(239,250,250,.67); font-size:.72rem; }

.workspace { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(280px, .75fr); gap: 24px; align-items: stretch; }
.preview-panel, .controls-panel {
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--card);
  box-shadow: 0 24px 70px rgba(31, 61, 68, .09);
  backdrop-filter: blur(18px);
}
.preview-panel { padding: clamp(18px, 4vw, 38px); }
.controls-panel { padding: 28px; }
.panel-title { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.panel-title h2, .controls-panel h2, .howto h2 { margin: 0; font-family: Georgia, serif; font-size: 1.8rem; }
.live-pill { display: inline-flex; align-items: center; gap: 7px; color: #397565; font-size: .76rem; font-weight: 750; }
.live-pill span { width: 8px; height: 8px; border-radius: 50%; background: #47a778; box-shadow: 0 0 0 5px rgba(71,167,120,.12); }
.controls-panel label { display: block; margin: 18px 0 7px; color: var(--muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.controls-panel select { width: 100%; min-height: 46px; padding: 0 12px; border: 1px solid var(--line); border-radius: 12px; color: var(--ink); background: white; }
.copy-status { min-height: 20px; margin: 8px 0 0; color: #397565; font-size: .78rem; }
details { margin-top: 12px; color: var(--muted); font-size: .82rem; }
summary { cursor: pointer; font-weight: 750; }
pre { max-height: 180px; overflow: auto; white-space: pre-wrap; word-break: break-word; padding: 12px; border-radius: 10px; color: #dceef2; background: #16323c; font-size: .7rem; }

.howto { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; padding: 90px 0 72px; }
.howto ol { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.howto li { counter-increment: step; display: grid; grid-template-columns: 42px 145px 1fr; gap: 14px; align-items: center; padding: 16px; border-top: 1px solid var(--line); }
.howto li::before { content: counter(step, decimal-leading-zero); color: #aa653e; font-size: .75rem; font-weight: 850; }
.howto li span { color: var(--muted); line-height: 1.55; }

footer { display: flex; justify-content: space-between; gap: 20px; padding: 24px 0 38px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }

@media (max-width: 780px) {
  .page-shell { width: min(100% - 20px, 620px); }
  .page-head { align-items: flex-start; padding: 18px 0; }
  .brand span:last-child { display: none; }
  .intro { padding-top: 38px; }
  .workspace, .howto, .install-spotlight { grid-template-columns: 1fr; }
  .install-spotlight { gap:24px; padding:26px 22px; }
  .howto { padding: 64px 0 48px; gap: 24px; }
  .howto li { grid-template-columns: 34px 1fr; }
  .howto li span { grid-column: 2; }
  footer { flex-direction: column; }
}

@media (display-mode: standalone) {
  .page-head .head-actions a { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}