:root {
  color-scheme: light;
  --paper: #f8f5ee;
  --surface: #fffdf7;
  --ink: #262922;
  --muted: #54584b;
  --line: #dcd6c8;
  --accent: #a13c23;
  --accent-hover: #853019;
  --soft: #f0e6d8;
  --green: #295746;
  --green-bg: #e4eee7;
  --focus: #2c5e8f;
  font: 16px/1.55 system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
button, input { font: inherit; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
button:disabled { cursor: default; opacity: .58; }
p, h1, h2, h3 { margin: 0; }
h1 { font-size: clamp(2.1rem, 4.9vw, 3.4rem); letter-spacing: -.045em; line-height: 1.06; }
h2 { font-size: 1.35rem; line-height: 1.22; letter-spacing: -.02em; }
h3 { font-size: 1.125rem; line-height: 1.3; overflow-wrap: anywhere; }
.shell { width: min(100% - 48px, 68rem); margin-inline: auto; }
.skip-link { position: fixed; top: 10px; left: 12px; z-index: 1; transform: translateY(-160%); background: var(--surface); padding: 12px; }
.skip-link:focus { transform: translateY(0); }
.topbar { border-bottom: 1px solid var(--line); }
.bar { min-height: 72px; display: flex; gap: 20px; align-items: center; }
.wordmark { color: var(--ink); font-size: 1.23rem; font-weight: 760; text-decoration: none; display: inline-flex; gap: 10px; align-items: center; letter-spacing: -.035em; }
.top-label { font-size: .9rem; color: var(--muted); }
nav { display: flex; gap: 8px; margin-left: auto; }
nav button { background: transparent; border: 0; color: var(--muted); min-height: 44px; padding: 0 10px; cursor: pointer; }
nav button[aria-current="page"] { color: var(--accent); box-shadow: inset 0 -2px var(--accent); font-weight: 650; }
main { padding-block: 52px 64px; min-height: 60vh; }
.eyebrow { color: var(--accent); font-size: .75rem; font-weight: 760; letter-spacing: .1em; margin-bottom: 12px; }
.lede { color: var(--muted); font-size: 1.0625rem; margin-top: 14px; max-width: 52ch; overflow-wrap: anywhere; }
.button { display: inline-flex; gap: 9px; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: 7px; text-decoration: none; font-weight: 650; min-height: 44px; padding: 8px 15px; cursor: pointer; line-height: 1.32; }
.primary { color: white; background: var(--accent); }
.primary:hover:not(:disabled) { background: var(--accent-hover); }
.secondary { color: var(--ink); background: var(--surface); border-color: var(--line); }
.secondary:hover:not(:disabled) { background: var(--soft); }
.danger { color: var(--accent); border-color: var(--accent); background: var(--surface); }
.danger:hover:not(:disabled) { background: var(--soft); }
.sign-in { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: clamp(24px, 6vw, 96px); padding-block: 30px; }
.sign-in .google { margin-top: 28px; background: var(--surface); color: var(--ink); border-color: var(--line); }
.sign-in .google:hover { background: var(--soft); }
.sign-note { font-size: .875rem; color: var(--muted); margin-top: 12px; }
.sign-art { min-height: 300px; display: grid; align-content: center; justify-items: center; background: var(--soft); border-radius: 12px; color: var(--accent); border: 1px solid #e6d7c6; }
.sign-art svg { width: min(100%, 310px); }
.sign-art span { font-size: .85rem; font-weight: 650; }
.page-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 40px; }
.section-heading { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 8px 16px; border-top: 1px solid var(--line); padding-top: 20px; }
.section-heading p, .section-help { color: var(--muted); font-size: .9rem; }
.section-help { margin: 5px 0 18px; }
.notice { background: var(--soft); padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; }
.error { color: var(--accent-hover); }
.empty { display: flex; align-items: center; gap: 16px; border: 1px dashed #c6beab; border-radius: 8px; padding: 24px; }
.empty svg { color: var(--accent); flex: none; }
.empty p, .seen, .hint { color: var(--muted); font-size: .875rem; }
.device-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.device { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 20px; min-width: 0; }
.device-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.summary-reading { text-align: right; display: grid; justify-items: end; }
.reading { font-size: 2rem; font-weight: 750; font-variant-numeric: tabular-nums; line-height: 1.05; padding-block: 5px; letter-spacing: -.05em; }
.seen { margin-top: 4px; }
.status { padding: 3px 8px; border-radius: 100px; font-size: .75rem; font-weight: 700; color: var(--muted); background: var(--soft); white-space: nowrap; }
.status.online { color: var(--green); background: var(--green-bg); }
.device-control { margin-top: 14px; }
.range-caption, .range-scale { display: flex; justify-content: space-between; gap: 16px; }
.range-caption { font-weight: 650; }
.range-caption output { font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; margin: 4px 0 0; height: 32px; accent-color: var(--accent); }
.range-scale { font-size: .75rem; color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.device-footer { display: flex; align-items: center; gap: 12px; justify-content: space-between; margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line); }
.device-footer p:first-child { font-size: .875rem; font-weight: 650; }
.plain { border: 0; background: none; color: var(--accent); text-decoration: underline; cursor: pointer; padding: 0 2px; min-height: 44px; }
.account-section { border-top: 1px solid var(--line); padding-top: 20px; max-width: 54ch; }
.account-section p, .legal p { margin-block: 12px 16px; color: var(--muted); }
.account { border-top: 1px solid var(--line); padding: 16px 0; }
.account p { color: var(--muted); overflow-wrap: anywhere; }
.account ul { padding-left: 20px; margin-bottom: 0; }
.footer { display: flex; align-items: center; gap: 12px 20px; flex-wrap: wrap; justify-content: space-between; border-top: 1px solid var(--line); padding-block: 16px 28px; font-size: .875rem; color: var(--muted); }
.legal { max-width: 47rem; }
.legal h2 { margin-top: 28px; }
dialog { color: var(--ink); background: var(--surface); width: min(100% - 32px, 28rem); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
dialog::backdrop { background: #26292280; }
dialog p:not(.eyebrow) { color: var(--muted); margin: 12px 0; }
.dialog-heading { display: flex; justify-content: space-between; align-items: start; gap: 12px; }
.dialog-heading .eyebrow { margin-bottom: 4px; }
.dialog-actions { display: flex; justify-content: end; flex-wrap: wrap; gap: 8px; }
.pair-details { display: grid; justify-items: center; gap: 10px; padding-top: 4px; }
.pair-details code { font-size: 1.35rem; font-weight: 750; letter-spacing: .12em; }
#renew-code { margin-top: 10px; }
#pair-time { margin: 0; }
@media (max-width: 800px) {
  .device-list { grid-template-columns: minmax(0, 1fr); }
  .sign-art { min-height: 240px; }
}
@media (max-width: 600px) {
  .shell { width: calc(100% - 32px); }
  .bar { flex-wrap: wrap; column-gap: 12px; row-gap: 0; padding-block: 12px; }
  .top-label { font-size: .8rem; margin-left: auto; }
  nav { width: 100%; margin-top: 6px; margin-left: 0; }
  main { padding-block: 32px 40px; }
  .page-heading { align-items: flex-start; flex-direction: column; margin-bottom: 28px; gap: 16px; }
  .sign-in { grid-template-columns: minmax(0, 1fr); padding-block: 14px; gap: 28px; }
  .sign-art { min-height: 175px; padding: 12px; }
  .sign-art svg { width: min(66%, 240px); }
  .device { padding: 16px; }
}