:root {
  --bg:           #ffffff;
  --bg-soft:      #fafafa;
  --surface:      #f4f4f5;
  --surface-2:    #e4e4e7;
  --ink:          #000000;
  --ink-2:        #3f3f46;
  --ink-3:        #71717a;
  --ink-4:        #a1a1aa;
  --line:         #e4e4e7;
  --line-soft:    #f4f4f5;
  --accent-bg:    #000000;
  --accent-ink:   #ffffff;
  --err-bg:       #fafafa;
  --err-ink:      #000000;

  --radius-lg:    24px;
  --radius-md:    14px;
  --radius-sm:    8px;

  --font-display: "Outfit", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Layout ───────────────────────────────────────── */
.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 40px 28px 56px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  animation: rise .5s cubic-bezier(.2,.7,.2,1) both;
}

/* ── Header ───────────────────────────────────────── */
header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

header.site h1 { margin: 0; font-size: inherit; font-weight: inherit; }

header.site .brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -.04em;
  color: var(--ink);
  text-decoration: none;
}
header.site .brand-mark i {
  font-style: normal;
  font-weight: 300;
  color: var(--ink-3);
}

nav {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  background: var(--surface);
  border-radius: 999px;
}
nav a {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: -.005em;
  color: var(--ink-3);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 999px;
  transition: color .15s ease, background .15s ease;
}
nav a:hover { color: var(--ink); background: var(--bg); }

/* ── Page hero ────────────────────────────────────── */
.page-hero { display: flex; flex-direction: column; gap: 14px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
}

.page-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(44px, 6.4vw, 64px);
  letter-spacing: -.045em;
  line-height: .98;
  color: var(--ink);
  max-width: 18ch;
}
.page-title em {
  font-style: normal;
  font-weight: 300;
  color: var(--ink-3);
}

.page-lede {
  font-size: 16px;
  color: var(--ink-3);
  max-width: 62ch;
  line-height: 1.6;
  font-weight: 500;
}

/* ── Listings ─────────────────────────────────────── */
.listings {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.listings li {
  padding: 0;
  border-bottom: 1px solid var(--line-soft);
}
.listings li:last-child { border-bottom: none; }

.listing {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 22px 4px;
  text-decoration: none;
  color: inherit;
  transition: padding .18s ease, background .18s ease;
  position: relative;
}
.listing:hover {
  padding: 22px 18px;
  background: var(--bg-soft);
}
.listing::after {
  content: "→";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%) translateX(-8px);
  font-family: var(--font-body);
  color: var(--ink-4);
  opacity: 0;
  transition: opacity .18s ease, transform .18s ease;
}
.listing:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.listing-body { min-width: 0; }
.listing-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: -.025em;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 6px;
}
.listing-desc {
  font-size: 14.5px;
  color: var(--ink-3);
  line-height: 1.55;
  max-width: 60ch;
  font-weight: 500;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.listing-price {
  align-self: center;
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
  padding: 6px 13px;
  background: var(--surface);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink);
  white-space: nowrap;
  font-weight: 500;
}

.empty-state {
  padding: 72px 32px;
  text-align: center;
  background: var(--surface);
  border-radius: var(--radius-lg);
  color: var(--ink-3);
}
.empty-state h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  letter-spacing: -.03em;
  color: var(--ink);
  margin-bottom: 10px;
  line-height: 1.1;
}
.empty-state em { font-style: normal; font-weight: 300; color: var(--ink-3); }
.empty-state a {
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
}
.empty-state a:hover { color: var(--ink-2); }

/* ── Detail page ──────────────────────────────────── */
.listing-detail { display: flex; flex-direction: column; gap: 32px; }

.price-row {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}
.price-tag {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 40px;
  letter-spacing: -.04em;
  color: var(--ink);
  line-height: 1;
}
.price-tag em {
  font-style: normal;
  font-weight: 500;
  font-size: .4em;
  color: var(--ink-3);
  margin-left: 4px;
  letter-spacing: -.01em;
}
.network-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px 6px 10px;
  background: var(--surface);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
}
.network-chip::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink);
}

.description {
  font-size: 16px;
  color: var(--ink-2);
  line-height: 1.65;
  max-width: 65ch;
  font-weight: 500;
}

dl.meta {
  display: grid;
  grid-template-columns: 150px 1fr;
  column-gap: 24px;
  row-gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
dl.meta > dt,
dl.meta > dd {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
dl.meta > dt:nth-last-of-type(1),
dl.meta > dd:nth-last-of-type(1) { border-bottom: none; }
dl.meta dt {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 18px;
}
dl.meta dd {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  word-break: break-all;
  line-height: 1.55;
}

code {
  font-family: var(--font-mono);
  font-size: .92em;
  background: var(--surface);
  padding: 2px 7px;
  border-radius: 6px;
  color: var(--ink);
}
pre {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--surface);
  padding: 18px 20px;
  overflow-x: auto;
  border-radius: var(--radius-md);
  line-height: 1.55;
  color: var(--ink);
}
pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

.usage-head {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.usage-head::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
}

.usage {
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.7;
  max-width: 68ch;
  font-weight: 500;
}
.usage h1, .usage h2, .usage h3, .usage h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.025em;
  color: var(--ink);
  margin: 1.5em 0 .4em;
  line-height: 1.2;
}
.usage h1 { font-size: 1.9em; font-weight: 800; }
.usage h2 { font-size: 1.45em; font-weight: 800; }
.usage h3 { font-size: 1.2em; }
.usage h4 { font-size: 1.05em; }
.usage p  { margin: .8em 0; }
.usage ul, .usage ol { margin: .8em 0 .8em 1.5em; }
.usage li { margin: .3em 0; }
.usage a  {
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  text-decoration: none;
  padding-bottom: 1px;
  transition: border-color .15s ease;
  font-weight: 500;
}
.usage a:hover { color: var(--ink-2); border-bottom-color: var(--ink-3); }
.usage blockquote {
  margin: 1em 0;
  padding: .1em 1.2em;
  border-left: 3px solid var(--ink);
  color: var(--ink-3);
  font-weight: 500;
}
.usage hr {
  margin: 2em 0;
  border: none;
  height: 1px;
  background: var(--line);
}

.disclaimer {
  margin-top: 8px;
  color: var(--ink-4);
  font-size: 12.5px;
  font-weight: 500;
}

/* ── Forms ────────────────────────────────────────── */
.form-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 36px;
}

form.listing-form { display: flex; flex-direction: column; gap: 24px; }

form.listing-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-3);
}
form.listing-form .hint {
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink-4);
  margin-top: -4px;
  font-weight: 500;
}
form.listing-form input,
form.listing-form textarea {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--surface-2);
  border-radius: var(--radius-md);
  padding: 13px 15px;
  transition: border-color .15s ease, background .15s ease, box-shadow .15s ease;
  width: 100%;
}
form.listing-form input:hover,
form.listing-form textarea:hover {
  border-color: var(--ink-3);
}
form.listing-form input:focus,
form.listing-form textarea:focus {
  outline: none;
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(0,0,0,.06);
}
form.listing-form textarea {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.55;
  resize: vertical;
  min-height: 240px;
}

form.listing-form .actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  margin-top: 4px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14.5px;
  letter-spacing: -.005em;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: var(--accent-ink);
  cursor: pointer;
  text-decoration: none;
  transition: background .18s ease, color .18s ease, transform .15s ease, box-shadow .18s ease;
}
.btn:hover:not(:disabled) {
  background: #18181b;
  transform: translateY(-1px);
  box-shadow: 0 10px 28px -14px rgba(0,0,0,.45);
}
.btn:active:not(:disabled) { transform: translateY(0); }
.btn .arrow { transition: transform .18s ease; }
.btn:hover:not(:disabled) .arrow { transform: translateX(3px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--surface-2);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--surface);
  box-shadow: none;
  border-color: var(--surface-2);
}

.errors {
  list-style: none;
  margin: 0 0 24px;
  padding: 16px 20px;
  background: var(--ink);
  border-radius: var(--radius-md);
  color: var(--accent-ink);
  font-size: 13.5px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-weight: 500;
}
.errors strong {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-right: 8px;
  color: var(--ink-4);
}

/* ── Footer ───────────────────────────────────────── */
footer.site {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-4);
}
footer.site .sep { flex: 1; height: 1px; background: var(--line); margin: 0 14px; }

/* ── Animations ───────────────────────────────────── */
@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 620px) {
  .page { padding: 28px 20px 40px; gap: 28px; }
  header.site { flex-direction: column; align-items: flex-start; gap: 14px; }
  .listing { grid-template-columns: 1fr; gap: 10px; padding: 18px 4px; align-items: start; }
  .listing:hover { padding: 18px 12px; }
  .listing-price { align-self: start; }
  dl.meta { grid-template-columns: 1fr; }
  dl.meta > dt { padding-bottom: 4px; border-bottom: none; padding-top: 16px; }
  dl.meta > dd { padding-top: 4px; }
  .form-card { padding: 24px; }
  .price-tag { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}