/* ── FOLIO VIEW ── full-page folio renderer styles */

/* ── Back link ── */
.folio-back {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: #888;
  text-decoration: none;
  padding: 2rem 8vw 0;
  transition: color 0.2s;
}

.folio-back:hover { color: var(--accent); }

/* ── Folio header ── */
.folio-header {
  padding: 2rem 8vw 2.5rem;
  border-bottom: 1px solid var(--rule);
  max-width: calc(90ch + 8vw);
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.folio-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

/* ── Meta strip ── */
.folio-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.folio-meta-folder {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  background: var(--ink);
  color: var(--paper);
  padding: 0.15rem 0.45rem;
}

.folio-meta-type,
.folio-meta-date {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888;
}

.folio-meta-sep {
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--rule);
}

/* ── Brief bullets ── */
.folio-brief {
  list-style: disc;
  padding-left: 1.25rem;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.folio-brief li {
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.55;
  color: #555;
}

/* ── Folio body (prose column) ── */
.folio-body {
  max-width: 90ch;
  margin: 0 auto;
  padding: 3rem 8vw;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* ── Element: heading ── */
.folio-heading {
  font-family: var(--serif);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ── Element: text ── */
.folio-text {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.8;
}

/* ── Element: image ── */
.folio-figure {
  margin: 0;
  width: 100%;
}

.folio-figure img {
  width: 100%;
  display: block;
}

.folio-figure figcaption {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #888;
  margin-top: 0.6rem;
}

/* ── Element: pdf ── */
.folio-pdf {
  margin: 0;
  width: 100%;
}

.folio-pdf-label {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 0.6rem;
  transition: opacity 0.2s;
}

.folio-pdf-label:hover { opacity: 0.7; }

.folio-pdf iframe {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--rule);
  display: block;
}

/* ── Element: code ── */
pre {
  background: var(--paper-dark);
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  margin: 0;
}

pre code {
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.65;
  white-space: pre;
}

/* ── Element: divider ── */
.folio-rule {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 0.5rem 0;
}

/* ── Element: link ── */
.folio-link {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--ink);
  border: 1.5px solid var(--ink);
  padding: 0.65rem 1.2rem;
  transition: background 0.2s, color 0.2s;
}

.folio-link:hover {
  background: var(--ink);
  color: var(--paper);
}

/* ── Not found state ── */
.not-found {
  padding: 8rem 4vw;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.not-found__label {
  font-family: var(--serif);
  font-size: 6rem;
  font-weight: 900;
  color: var(--rule);
  line-height: 1;
}

.not-found__msg {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #888;
}

.not-found__back {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  text-decoration: none;
  margin-top: 0.5rem;
}

.not-found__back:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .folio-header { padding: 1.5rem 6vw 2rem; }
  .folio-body { padding: 2rem 6vw; }
}