:root {
  color-scheme: dark;
  --bg: oklch(0.145 0.008 265);
  --elev: oklch(0.2 0.01 265);
  --line: oklch(1 0 0 / 0.08);
  --text: oklch(0.97 0.005 100);
  --mute: oklch(0.72 0.015 265);
  --faint: oklch(0.62 0.015 265);
  --accent: oklch(0.93 0.01 100);
  --ok: oklch(0.84 0.12 155);
  --warn: oklch(0.82 0.12 85);
  --hot: oklch(0.7 0.18 25);
  --radius: 14px;
}
* { box-sizing: border-box; }
html { scrollbar-gutter: stable; }
html, body {
  margin: 0;
  min-height: 100dvh;
  background:
    radial-gradient(1200px 500px at 80% -10%, oklch(0.3 0.04 265 / 0.5), transparent 55%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 Inter, ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
::selection { background: oklch(0.85 0.12 230 / 0.35); }
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  background: oklch(0.145 0.008 265 / 0.72);
  position: sticky;
  top: 0;
  z-index: 4;
}
.mark {
  font-weight: 600;
  letter-spacing: -0.03em;
  color: inherit;
  text-decoration: none;
}
.nav-btn {
  appearance: none;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--mute);
  border-radius: 999px;
  padding: 6px 12px;
  font: 500 12px/1 inherit;
  cursor: pointer;
}
.wrap {
  max-width: 640px;
  margin: 0 auto;
  padding: 56px 20px 96px;
}
.intro { margin-bottom: 36px; }
h1 {
  font-size: clamp(32px, 6vw, 44px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.12;
  margin: 0 0 12px;
  text-wrap: balance;
}
.lede {
  margin: 0;
  color: var(--mute);
  max-width: 40em;
  text-wrap: pretty;
}
.card {
  background: var(--elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin: 0 0 12px;
}
.card-head { display: flex; justify-content: space-between; align-items: baseline; }
h2 {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--faint);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.meta { font-size: 12px; color: var(--faint); }
.dropzone {
  position: relative;
  border-radius: 12px;
}
.dropzone.drag {
  outline: 2px dashed oklch(0.8 0.08 230);
  outline-offset: 2px;
}
.drop-hint {
  display: none;
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--faint);
}
.dropzone.drag .drop-hint { display: block; }
textarea, input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: oklch(0.14 0.008 265);
  color: var(--text);
  border-radius: 10px;
  padding: 11px 12px;
  font: 14px/1.45 inherit;
  field-sizing: content;
}
textarea { min-height: 88px; resize: vertical; }
textarea:focus, input:focus, select:focus {
  outline: none;
  border-color: oklch(1 0 0 / 0.28);
}
.row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.grid { display: grid; gap: 10px; }
@media (min-width: 560px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .grid label:last-child { grid-column: 1 / -1; }
}
.btn {
  appearance: none;
  border: 1px solid var(--line);
  background: oklch(0.24 0.01 265);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 14px;
  font: 500 13px/1 inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn.primary {
  background: var(--accent);
  color: oklch(0.16 0.01 265);
  border-color: transparent;
}
.btn.quiet { color: var(--mute); background: transparent; }
.btn.block { width: 100%; margin-top: 4px; padding: 12px; }
.btn:disabled { opacity: .35; cursor: default; }
.btn.tiny { padding: 6px 10px; font-size: 12px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.chip {
  font-size: 12px;
  color: var(--mute);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 10px;
}
.items { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 4px 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: oklch(0.14 0.008 265);
}
.item .snippet { margin: 0; font-size: 14px; text-wrap: pretty; }
.item .src {
  margin: 0;
  font-size: 12px;
  color: var(--faint);
  word-break: break-all;
  grid-column: 1;
}
.item button { grid-row: 1 / span 2; align-self: start; }
.empty, .hint, .note { font-size: 13px; color: var(--faint); margin: 8px 0 0; }
.note.warn { color: var(--warn); }
.note.ok { color: var(--ok); }
.advanced { margin: 0 0 12px; }
summary { cursor: pointer; color: var(--mute); font-size: 13px; padding: 4px 0 8px; }
label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--faint); }
code { font-size: 12px; color: var(--mute); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

#connection {
  border: 1px solid var(--line);
  background: var(--elev);
  color: var(--text);
  border-radius: 18px;
  padding: 0;
  width: min(420px, calc(100% - 24px));
  box-shadow: 0 24px 80px oklch(0 0 0 / 0.45);
}
#connection::backdrop {
  background: oklch(0.1 0.02 265 / 0.55);
  backdrop-filter: blur(8px);
}
#connection:popover-open {
  opacity: 1;
  translate: 0 0;
}
@starting-style {
  #connection:popover-open { opacity: 0; translate: 0 8px; }
}
#connection {
  opacity: 0;
  translate: 0 8px;
  transition: opacity .2s ease, translate .2s ease, display .2s allow-discrete, overlay .2s allow-discrete;
}
.sheet-inner { padding: 22px; }
.sheet-kicker {
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
}
::view-transition-old(root),
::view-transition-new(root) { animation-duration: .22s; }
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}