:root {
  --of-bg: #f6f4ef;
  --of-ink: #1c1917;
  --of-muted: #57534e;
  --of-line: #e7e5e4;
  --of-accent: #4f46e5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background: var(--of-bg);
  color: var(--of-ink);
  line-height: 1.55;
}

a { color: var(--of-accent); }

.of-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--of-line);
  font-size: 0.85rem;
}

.of-bar-actions { display: flex; gap: 1rem; align-items: center; }

.of-print {
  border: 1px solid var(--of-line);
  background: #fff;
  padding: 0.4rem 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
}

.of-page {
  max-width: 840px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
}

.of-kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--of-muted);
}

.of-cover h1 {
  margin: 0.5rem 0 1rem;
  font-size: 1.85rem;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.of-lead { color: var(--of-muted); font-size: 1.05rem; }

.of-character {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 600;
}

.of-character span {
  font-weight: 500;
  color: var(--of-muted);
}

.of-bar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
}

.of-bar-icon {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 6px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 700;
}

.of-bar-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.of-bar-gloss {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--of-muted);
}

.of-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 1.75rem 0 0;
  padding: 1rem 0 0;
  border-top: 1px solid var(--of-line);
}

.of-meta dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--of-muted);
}

.of-meta dd { margin: 0.2rem 0 0; font-weight: 600; }

.of-page h2 {
  margin: 2.25rem 0 0.75rem;
  font-size: 1.15rem;
}

.of-page p { margin: 0 0 0.85rem; }

.of-page table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.of-page table + table { margin-top: 1rem; }

.of-page th,
.of-page td {
  border: 1px solid var(--of-line);
  padding: 0.65rem 0.75rem;
  text-align: left;
  vertical-align: top;
  background: #fff;
}

.of-steps { padding-left: 1.2rem; }
.of-steps li { margin-bottom: 0.5rem; }

.of-next { font-weight: 500; }

.of-form {
  margin-top: 2rem;
  padding: 1.25rem;
  background: #fff;
  border: 1px solid var(--of-line);
  border-radius: 12px;
}

.of-form form { display: grid; gap: 0.75rem; }
.of-form label { display: grid; gap: 0.3rem; font-size: 0.85rem; font-weight: 600; }
.of-form input,
.of-form select,
.of-form textarea {
  font: inherit;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--of-line);
  border-radius: 8px;
}

.of-form button {
  justify-self: start;
  background: var(--of-accent);
  color: #fff;
  border: 0;
  padding: 0.65rem 1.1rem;
  border-radius: 8px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.of-ok { color: #047857; font-weight: 600; }

.of-foot {
  margin-top: 2.5rem;
  font-size: 0.78rem;
  color: var(--of-muted);
}

.of-shots {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 0;
}

.of-shots .shot-fig {
  margin: 0;
  border: 1px solid var(--of-line);
  border-radius: 12px;
  overflow: hidden;
  background: #fff;
}

.of-shots .shot-chrome {
  display: flex;
  gap: 6px;
  padding: 8px 12px;
  background: #eef1f6;
}

.of-shots .shot-chrome span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c5cdd8;
}

.of-shots img {
  display: block;
  width: 100%;
  height: auto;
}

.of-shots figcaption {
  margin: 0;
  padding: 0.55rem 0.85rem 0.75rem;
  font-size: 0.82rem;
  color: var(--of-muted);
}

.of-bar-actions a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}

.st-bar { position: sticky; top: 0; z-index: 5; }

.st-page { padding-bottom: 5rem; }

.st-note {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  background: #fff;
  border: 1px solid var(--of-line);
  border-radius: 12px;
  font-size: 0.95rem;
}

.st-toc {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 1.5rem 0 0;
}

.st-toc a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  background: #fff;
  border: 1px solid var(--of-line);
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  font-weight: 600;
  font-size: 0.92rem;
}

.st-page section[id] { scroll-margin-top: 4.75rem; }

.st-cards {
  display: grid;
  gap: 10px;
  margin: 0 0 1rem;
}

.st-card {
  background: #fff;
  border: 1px solid var(--of-line);
  border-radius: 12px;
  padding: 0.95rem 1rem;
}

.st-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1rem;
}

.st-card ul {
  margin: 0;
  padding-left: 1.15rem;
}

.st-card ul.st-check { padding-left: 0; }

.st-card li { margin-bottom: 0.35rem; }

.st-warn {
  margin: 0.75rem 0 0;
  color: var(--of-muted);
  font-size: 0.92rem;
}

.st-links { margin: 0 0 1rem; }

.st-links a {
  display: block;
  min-height: 44px;
  padding: 0.8rem 1rem;
  margin-bottom: 8px;
  background: #fff;
  border: 1px solid var(--of-line);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
}

.st-links a span {
  display: block;
  font-weight: 600;
}

.st-links a small {
  display: block;
  margin-top: 0.2rem;
  color: var(--of-muted);
  font-weight: 400;
}

.st-check {
  list-style: none;
  margin: 0;
  padding: 0;
}

.st-check li {
  display: grid;
  grid-template-columns: 1.35rem 1fr;
  gap: 0.45rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--of-line);
}

.st-check li:last-child { border-bottom: 0; }

.st-check li::before {
  content: "☐";
  color: var(--of-accent);
  font-size: 1.05rem;
  line-height: 1.4;
}

.st-card + .st-card { margin-top: 10px; }

.st-cards > .st-card + .st-card { margin-top: 0; }

@media (max-width: 700px) {
  .of-meta { grid-template-columns: 1fr; }
  .of-bar {
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: flex-start;
  }
  .of-page { padding: 1.25rem 1rem 2.5rem; }
  .st-page { padding-bottom: 4.5rem; }
  .of-cover h1 { font-size: 1.55rem; overflow-wrap: anywhere; }
  table { display: block; overflow-x: auto; }
  .of-form input, .of-form textarea {
    font-size: 16px;
    min-height: 44px;
  }
  .of-form button, .of-print {
    min-height: 44px;
  }
}

@media print {
  .of-bar { display: none; }
  body { background: #fff; }
  .of-page { padding: 0; max-width: none; }
  a { color: inherit; text-decoration: none; }
  .of-form button { display: none; }
  .of-shots .shot-fig { break-inside: avoid; }
}