@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("../assets/fonts/Inter.woff2") format("woff2");
}

:root {
  --bg: #f6f6f4;
  --surface: #fff;
  --ink: #171717;
  --muted: #5c5c5c;
  --faint: #737373;
  --line: #e4e4e1;
  --line-strong: #d0d0cc;
  --black: #111;
  --radius: 12px;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font: 400 16px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
button, input, summary { font: inherit; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--black); outline-offset: 3px; }
.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  background: var(--black);
  color: #fff;
  padding: 8px 12px;
  border-radius: 8px;
  z-index: 30;
}
.skip:focus { top: 12px; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chrome {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
}
.banner {
  margin: 0;
  padding: 10px 16px;
  background: var(--black);
  color: #f6f6f4;
  text-align: center;
  font-size: 13.5px;
  letter-spacing: 0.01em;
}
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 28px;
  border-bottom: 1px solid var(--line);
}
.brand {
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  letter-spacing: -0.01em;
}
.top nav { display: flex; gap: 22px; }
.top nav a {
  text-decoration: none;
  color: #5e5e5e;
  font-size: 14.5px;
}
.top nav a:hover { color: var(--ink); }
.top nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
}

#app { flex: 1; }
.page {
  width: min(1040px, 100%);
  padding: 40px 28px 80px;
}
h1 {
  margin: 0 0 12px;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 600;
}
.lede {
  margin: 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.55;
}
.kicker {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0 26px;
}
.step-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px 16px 18px;
}
.step-card .n {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--faint);
}
.step-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--ink);
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  background: var(--black);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  padding: 11px 16px;
  border-radius: 8px;
  cursor: pointer;
}
.btn:hover { background: #2a2a2a; }
.btn:disabled {
  background: #b9b9b6;
  border-color: transparent;
  color: #fff;
  cursor: not-allowed;
}
.btn.ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-strong);
}
.btn.ghost:hover { background: #f0f0ee; }
.btn.file { border-radius: 7px; padding: 8px 14px; font-weight: 600; }

.file-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}
.file-hint { margin: 0; color: var(--faint); font-size: 14px; }
.note {
  min-height: 1.2em;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13.5px;
}

.section-label {
  margin: 32px 0 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.section-help {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 14px;
}

.samples {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.sample {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: inherit;
  cursor: pointer;
}
.sample:hover { border-color: #bdbdb8; }
.sample.is-selected {
  border-color: var(--black);
  box-shadow: 0 0 0 1px var(--black);
}
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.frame {
  background: #ececea;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.frame svg { width: 100%; height: 100%; }
.sample .label {
  display: block;
  padding: 10px 4px 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.sample .meta {
  display: block;
  padding: 2px 4px 6px;
  color: var(--faint);
  font-size: 12.5px;
  font-weight: 400;
}
.draft-row { margin-top: 22px; }

.gen-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: 560px;
}
.gen-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}
.gen-list li:first-child { border-top: 0; }
.gen-list strong { display: block; font-size: 15px; font-weight: 600; }
.gen-list p { margin: 3px 0 0; color: var(--muted); font-size: 14px; }
.mark {
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1.5px solid #c8c8c4;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: transparent;
}
.gen-list li.is-active .mark {
  border-color: var(--black);
  background: var(--black);
}
.gen-list li.is-active .mark::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}
.gen-list li.is-done .mark {
  border-color: var(--black);
  background: var(--black);
}
.gen-list li.is-done .mark::after {
  content: "";
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 1.6px 1.6px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}
.track {
  margin-top: 8px;
  height: 3px;
  background: #e3e3e0;
  border-radius: 99px;
  overflow: hidden;
  max-width: 560px;
}
.track > span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--black);
  transition: width 0.45s ease;
}

.block { margin-top: 28px; }
.block h2 {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.spec {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px 20px;
  margin: 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.spec div { min-width: 0; }
.spec dt {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
}
.spec dd {
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.35;
}
.prose {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 6px 18px 8px;
  font-size: 15px;
  line-height: 1.6;
  color: #262626;
}
.prose p { margin: 12px 0; }
.prose ul { margin: 12px 0; padding-left: 1.15em; }
.prose li { margin: 3px 0; }
.src { margin-top: 10px; }
.src summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.src pre {
  margin: 8px 0 0;
  padding: 12px 14px;
  overflow: auto;
  background: #f3f3f1;
  border-radius: 8px;
  font-size: 12px;
  line-height: 1.45;
  color: #333;
}
.title-line {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.35;
}
.staged {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.staged figure { margin: 0; }
.staged figcaption {
  margin-top: 8px;
  font-size: 13px;
  font-weight: 600;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.session-flag {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 13px;
}

.table-wrap {
  margin-top: 22px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}
th, td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: middle;
}
th {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--faint);
  border-bottom: 1px solid var(--line);
}
td { border-bottom: 1px solid var(--line); font-size: 14.5px; }
tr:last-child td { border-bottom: 0; }
td a { font-weight: 600; text-decoration: none; }
td a:hover { text-decoration: underline; }
.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  font-size: 12px;
  font-weight: 600;
  background: #fafaf8;
}
.badge.published {
  background: var(--black);
  border-color: var(--black);
  color: #fff;
}
.fine {
  margin: 12px 0 0;
  color: var(--faint);
  font-size: 13px;
}
.empty-actions { margin-top: 18px; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 18px 28px 28px;
  font-size: 14px;
}
.site-footer a {
  font-weight: 600;
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }

.overlay {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(17, 17, 17, 0.46);
}
.dialog {
  width: min(440px, 100%);
  padding: 22px 22px 20px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
}
.dialog h2 {
  margin: 0 0 8px;
  font-size: 20px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}
.dialog p { margin: 0; color: var(--muted); font-size: 14.5px; }
.dialog .actions { margin-top: 18px; }

@media (max-width: 860px) {
  .steps, .samples, .spec { grid-template-columns: 1fr; }
  .staged { grid-template-columns: 1fr 1fr; }
  .spec { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .top, .page, .site-footer { padding-left: 18px; padding-right: 18px; }
  .page { padding-top: 28px; padding-bottom: 56px; }
  h1 { font-size: 28px; }
  .top nav { gap: 14px; }
  .staged { grid-template-columns: 1fr; }
  .actions .btn { flex: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .track > span { transition: none; }
}