:root {
  --bg: #0d1b2a;
  --panel: #14263b;
  --panel-2: #1b3350;
  --ink: #eef4fb;
  --muted: #a8bed6;
  --line: #2a476a;
  --accent: #16a6e9;
  --warn-bg: #3a2f10;
  --warn-line: #8a6d16;
  --warn-ink: #ffe8a3;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #0a1622, var(--bg));
  min-height: 100vh;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 40px 20px 72px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.logo {
  width: 40px; height: 40px; border-radius: 10px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--accent), #0e7bb0);
  display: grid; place-items: center; font-weight: 800; color: #fff;
}
.brand { font-size: 20px; font-weight: 700; letter-spacing: .2px; }
.brand small { display: block; font-size: 13px; font-weight: 500; color: var(--muted); }
h1 { font-size: 26px; margin: 22px 0 6px; }
p.lead { color: var(--muted); margin-top: 0; }
.banner {
  border: 1px solid var(--warn-line); background: var(--warn-bg); color: var(--warn-ink);
  border-radius: 12px; padding: 14px 16px; margin: 22px 0; font-size: 14.5px;
}
.banner strong { color: #fff; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px;
  padding: 22px; margin: 20px 0;
}
.card h2 { margin: 0 0 12px; font-size: 17px; }
esp-web-install-button { display: inline-block; }
.cta {
  appearance: none; border: 0; cursor: pointer;
  font: 600 16px/1 system-ui, sans-serif; color: #fff;
  background: linear-gradient(135deg, var(--accent), #0e7bb0);
  padding: 14px 26px; border-radius: 999px;
}
.cta:hover { filter: brightness(1.07); }
.hint { color: var(--muted); font-size: 13.5px; margin-top: 12px; }
.hint-tight { margin-top: 0; }
.unsupported-msg { color: var(--warn-ink); font-size: 14.5px; }
dl.meta { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 0; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; }
code.hash {
  font-family: var(--mono); font-size: 13px; word-break: break-all;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 8px; padding: 2px 8px; display: inline-block;
}
ul.links { list-style: none; padding: 0; margin: 6px 0 0; }
ul.links li { margin: 6px 0; }
a { color: var(--accent); }
a:hover { text-decoration: underline; }
.grid2 { display: grid; grid-template-columns: 1fr; gap: 6px; }
footer { color: var(--muted); font-size: 13px; margin-top: 30px; border-top: 1px solid var(--line); padding-top: 16px; }
.pill {
  display: inline-block; font-size: 12px; font-weight: 600; letter-spacing: .3px;
  color: #cfe8f6; background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 999px; padding: 3px 10px;
}