/* ── Document preview pages (docs/*.html) + hub document libraries ── */

.doc-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 110px 24px 80px;
}

.doc-page .back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-3);
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 36px;
  transition: var(--transition);
}
.doc-page .back-link:hover { color: var(--green-deep); }
.doc-page .back-link svg { width: 14px; height: 14px; }

/* ── Header ── */
.doc-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.doc-project-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--green-soft);
  color: var(--green-deep);
  border: 1px solid rgba(20, 108, 116, 0.2);
  margin-bottom: 14px;
}
.doc-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.5vw, 2.3rem);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.18;
  margin-bottom: 12px;
}
.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--ink-3);
  font-size: 0.82rem;
}
.doc-meta .doc-type {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--clay);
}

/* ── Body typography ── */
.doc-body { color: var(--ink-2); }

.doc-body h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--green-deep);
  margin: 40px 0 14px;
  line-height: 1.3;
}
.doc-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--ink);
  margin: 28px 0 10px;
}
.doc-body h4 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 22px 0 8px;
}
.doc-body p {
  line-height: 1.85;
  margin-bottom: 14px;
  font-size: 0.96rem;
}
.doc-body strong { color: var(--ink); }
.doc-body a { color: var(--green-deep); text-decoration: underline; text-underline-offset: 3px; }
.doc-body a:hover { color: var(--green); }

.doc-body ul, .doc-body ol {
  margin: 0 0 16px;
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.doc-body li { line-height: 1.7; font-size: 0.95rem; }
.doc-body ul { list-style: none; padding-left: 0; }
.doc-body ul > li {
  position: relative;
  padding-left: 26px;
}
.doc-body ul > li::before {
  content: '→';
  color: var(--green);
  position: absolute;
  left: 0;
  top: 1px;
}
.doc-body ul ul { margin: 8px 0 0; }
.doc-body ul ul > li::before { content: '·'; }
.doc-body ol { list-style: decimal; padding-left: 24px; }
.doc-body ol > li { display: list-item; padding-left: 4px; }

.doc-body blockquote {
  margin: 18px 0;
  padding: 14px 20px;
  border-left: 3px solid var(--clay);
  background: var(--clay-soft);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.93rem;
  line-height: 1.75;
}
.doc-body blockquote p:last-child { margin-bottom: 0; }

.doc-body code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--ink);
}
.doc-body pre {
  margin: 18px 0;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--ink);
}
.doc-body pre code { background: none; border: none; padding: 0; }

.doc-body hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* ── Tables ── */
.doc-body .table-wrap { overflow-x: auto; margin: 18px 0; }
.doc-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.doc-body th {
  padding: 10px 14px;
  text-align: left;
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  background: var(--paper-2);
  border-bottom: 1px solid var(--border-strong);
  white-space: nowrap;
}
.doc-body td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  line-height: 1.55;
  color: var(--ink);
}
.doc-body tr:last-child td { border-bottom: none; }

/* ── Callouts ── */
.doc-note {
  padding: 14px 18px;
  background: var(--green-soft);
  border: 1px solid rgba(20, 108, 116, 0.25);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 18px 0;
  color: var(--ink-2);
}
.doc-note strong { color: var(--green-deep); }

/* ── Figure placeholder (source figures not mirrored) ── */
.doc-figure-note {
  padding: 12px 16px;
  border: 1.5px dashed var(--border-strong);
  border-radius: var(--radius);
  color: var(--ink-3);
  font-size: 0.83rem;
  margin: 16px 0;
  text-align: center;
}

/* ── Footer nav ── */
.doc-footer {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.doc-footer a {
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: var(--transition);
}
.doc-footer .to-project {
  background: var(--green);
  color: #fff;
}
.doc-footer .to-project:hover { background: var(--green-deep); transform: translateY(-1px); }
.doc-footer .to-library {
  background: transparent;
  color: var(--green-deep);
  border: 1.5px solid var(--green);
}
.doc-footer .to-library:hover { background: var(--green-soft); transform: translateY(-1px); }

/* ── Figures (hub + doc pages) ── */
.proj-figure {
  margin: 0 0 20px;
}
.proj-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.proj-figure figcaption {
  margin-top: 10px;
  color: var(--ink-3);
  font-size: 0.82rem;
  line-height: 1.6;
  text-align: center;
}
.proj-figure figcaption strong { color: var(--ink-2); }

.figure-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: start;
}
@media (max-width: 640px) {
  .figure-row { grid-template-columns: 1fr; }
}

/* ── Document library (hub pages) ── */
.doc-lib-group { margin-bottom: 28px; }
.doc-lib-group > h3 {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.doc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 14px;
}
.doc-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.doc-card:hover {
  transform: translateY(-2px);
  border-color: var(--green);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.doc-card-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--clay);
}
.doc-card-kicker .doc-card-date {
  color: var(--ink-3);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: none;
  font-size: 0.76rem;
}
.doc-card-title {
  font-weight: 650;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.35;
}
.doc-card-desc {
  color: var(--ink-2);
  font-size: 0.85rem;
  line-height: 1.6;
  flex-grow: 1;
}
.doc-card-read {
  color: var(--green-deep);
  font-size: 0.82rem;
  font-weight: 600;
}