@font-face {
  font-family: "Source Serif 4";
  src: url("fonts/source-serif-4.woff2") format("woff2");
  font-weight: 400 600;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("fonts/geist-mono.woff2") format("woff2");
  font-weight: 400 500;
  font-display: swap;
}

:root {
  --bg: #05060b;
  --glow: #0b0d1a;
  --card: #0d0f17;
  --line: rgb(255 255 255 / 0.10);
  --line-strong: rgb(255 255 255 / 0.26);
  --text: #f4f3f8;
  --soft: rgb(236 235 246 / 0.74);
  --quiet: rgb(236 235 246 / 0.50);
  --accent: #b3a8fa;
  --good: #7fd1bf;
  --warn: #ffb872;
  --bad: #ff8f8f;
  --serif: "Source Serif 4", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
}

.sky {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1px 1px at 20px 30px, rgb(255 255 255 / 0.35), transparent 60%),
    radial-gradient(1px 1px at 90px 120px, rgb(255 255 255 / 0.22), transparent 60%),
    radial-gradient(1px 1px at 160px 60px, rgb(255 255 255 / 0.28), transparent 60%),
    radial-gradient(1px 1px at 230px 170px, rgb(255 255 255 / 0.18), transparent 60%),
    radial-gradient(120% 80% at 50% 0%, var(--glow) 0%, var(--bg) 60%);
  background-size: 260px 220px, 260px 220px, 260px 220px, 260px 220px, 100% 100%;
}

a { color: var(--text); text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.top, main, .foot {
  width: min(760px, 100% - 32px);
  margin-inline: auto;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font: 500 21px/1 var(--serif);
  letter-spacing: -0.01em;
}
.top-note { color: var(--quiet); font-size: 14px; }

/* Hero: the domain becomes the headline once checked */
.hero { padding: 72px 0 8px; }

h1 {
  margin: 0;
  font: 400 clamp(38px, 7vw, 64px)/1.06 var(--serif);
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}
h1 .domain { font-weight: 500; }

.lede {
  margin: 20px 0 0;
  max-width: 58ch;
  color: var(--soft);
}

.check-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 36px;
}
.check-form > input {
  min-width: 0;
  padding: 16px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--card);
  color: var(--text);
  font: 400 20px/1.2 var(--mono);
}
.check-form > input::placeholder { color: var(--quiet); }
.check-form > input:focus { outline: none; border-color: var(--accent); }

button {
  font: inherit;
  cursor: pointer;
}
#go {
  padding: 0 24px;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #12101f;
  font-weight: 600;
}
#go:disabled { opacity: 0.6; cursor: progress; }

.selector { grid-column: 1 / -1; color: var(--soft); font-size: 15px; }
.selector summary { cursor: pointer; color: var(--quiet); width: max-content; }
.selector label { display: block; margin-top: 12px; color: var(--quiet); font-size: 14px; }
.selector input {
  margin-top: 6px;
  width: min(280px, 100%);
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: 400 16px var(--mono);
}
.hint { margin: 8px 0 0; color: var(--quiet); font-size: 14px; max-width: 60ch; }

code, .record, .meter-label { font-family: var(--mono); }
code { font-size: 0.92em; color: var(--text); }

.error { margin: 16px 0 0; color: var(--bad); }

/* Results: one list, not a card grid */
.results { padding: 40px 0 0; }

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.check-row {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 4px 20px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.check-name {
  font: 500 15px/1.6 var(--mono);
  color: var(--soft);
}
.verdict {
  display: inline-block;
  margin-right: 10px;
  font-weight: 600;
}
.s-pass .verdict { color: var(--good); }
.s-check .verdict { color: var(--warn); }
.s-fix .verdict { color: var(--bad); }
.s-pending .verdict { color: var(--quiet); }

.check-body p { margin: 0; }
.say { color: var(--text); }
.fix { margin-top: 6px !important; color: var(--soft); }

.record {
  margin: 10px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgb(13 15 23 / 0.8);
  color: var(--soft);
  font-size: 13.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.suggest { display: flex; gap: 8px; align-items: flex-start; margin-top: 10px; }
.suggest .record { margin: 0; flex: 1; color: var(--text); }

.ghost {
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  white-space: nowrap;
}
.ghost:hover { border-color: var(--accent); }

/* The SPF lookup meter: 10 slots, the real limit */
.meter { display: flex; gap: 5px; margin-top: 12px; }
.slot {
  width: 22px;
  height: 10px;
  border-radius: 3px;
  border: 1px solid var(--line-strong);
}
.slot.used { background: var(--accent); border-color: var(--accent); }
.meter.near .slot.used { background: var(--warn); border-color: var(--warn); }
.meter.over .slot.used { background: var(--bad); border-color: var(--bad); }
.meter-label { margin-top: 6px !important; color: var(--quiet); font-size: 13px; }

.share { margin: 24px 0 0; }

.foot {
  padding: 64px 0 48px;
  color: var(--quiet);
  font-size: 14px;
}
.foot p { margin: 0 0 8px; max-width: 70ch; }
.foot a { color: var(--soft); }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding-top: 44px; }
  .check-form { grid-template-columns: 1fr; }
  #go { padding: 15px; }
  .check-row { grid-template-columns: 1fr; gap: 2px; }
  .slot { width: 100%; }
}

@media (prefers-reduced-motion: no-preference) {
  .check-row.arrive { animation: arrive 260ms ease-out both; }
  @keyframes arrive { from { opacity: 0; } to { opacity: 1; } }
}