/* ============================================================
   Program documents — archive + single (library style)
   ============================================================ */


/* ============================================================
   Archive — full-width centered list (no sidebar, 5-6 docs max)
   ============================================================ */

.docs-archive {
  background: var(--white);
  padding: 56px 0 96px;
}

.docs-archive__center {
  max-width: 920px;
  margin: 0 auto;
}

@media (max-width: 767.98px) {
  .docs-archive { padding: 32px 0 72px; }
}


/* ============================================================
   Toolbar (count + sort)
   ============================================================ */

.docs-archive__bar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-bottom: 18px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.docs-archive__count {
  font-size: var(--fs-14);
  color: var(--text-muted);
}

.docs-archive__count strong {
  color: var(--ink);
  font-weight: 600;
}


/* ============================================================
   Document list — library/academic style rows
   ============================================================ */

.docs-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.doc-row {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px;
  padding: 18px 4px 18px 0;
  border-bottom: 1px solid var(--border-soft);
  background: transparent;
  color: inherit;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}

.doc-row:last-child { border-bottom: 0; }

.doc-row:hover {
  background: var(--paper-2);
  margin-inline: -16px;
  padding-inline: 16px 16px;
}

/* PDF icon — academic file marker */
.doc-row__icon {
  width: 36px;
  height: 44px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 4px;
  position: relative;
  flex-shrink: 0;
}

.doc-row__icon::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 10px;
  height: 10px;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.doc-row__icon-type {
  font-size: 9px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.doc-row__icon--pdf .doc-row__icon-type { color: var(--red-deep); }

.doc-row__body { min-width: 0; }

.doc-row__title {
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.005em;
  line-height: 1.3;
  margin-bottom: 6px;
  transition: color var(--dur-fast) var(--ease);
}

.doc-row:hover .doc-row__title { color: var(--red); }

.doc-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: var(--fs-12);
  color: var(--text-muted);
}

.doc-row__meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.doc-row__meta-item svg { width: 11px; height: 11px; color: var(--text-faint); flex-shrink: 0; }

.doc-row__meta-divider {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--text-faint);
  align-self: center;
}

.doc-row__action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  background: var(--paper);
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: var(--fs-13);
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease);
  flex-shrink: 0;
}

.doc-row:hover .doc-row__action {
  background: var(--ink);
  color: var(--white);
}

.doc-row__action svg {
  width: 12px;
  height: 12px;
  transition: transform var(--dur) var(--ease);
}

.doc-row:hover .doc-row__action svg { transform: translateY(2px); }

@media (max-width: 575.98px) {
  .doc-row {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 14px;
  }
  .doc-row__action {
    grid-column: 1 / -1;
    width: fit-content;
    margin-left: 50px;
  }
  .doc-row__title { font-size: 15px; }
}


/* ============================================================
   Pagination wrapper
   ============================================================ */

.docs-archive .pager { margin-top: 40px; }


/* ============================================================
   Single document page
   ============================================================ */

.doc-single {
  background: var(--white);
  padding: 48px 0 96px;
}

.doc-single__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 48px;
  align-items: start;
}

@media (max-width: 1023.98px) {
  .doc-single { padding: 28px 0 72px; }
  .doc-single__layout { grid-template-columns: 1fr; gap: 32px; }
}

/* Title block */
.doc-single__head {
  margin-bottom: 32px;
}

.doc-single__category {
  font-size: var(--fs-11);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.doc-single__title {
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--ink);
  text-wrap: balance;
  margin-bottom: 14px;
}

.doc-single__lede {
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 60ch;
}

/* PDF preview frame */
.doc-preview {
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  overflow: hidden;
  background: var(--paper);
  aspect-ratio: 1 / 1.32; /* A4-ish portrait */
  position: relative;
}

.doc-preview iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.doc-preview__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
}

.doc-preview__placeholder-icon {
  width: 80px;
  height: 96px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-2);
  background: var(--white);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 14px;
  position: relative;
}

.doc-preview__placeholder-icon::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22px;
  height: 22px;
  background: var(--paper);
  border-bottom: 1.5px solid var(--border);
  border-left: 1.5px solid var(--border);
}

.doc-preview__placeholder-type {
  font-size: var(--fs-12);
  font-weight: 700;
  color: var(--red-deep);
  letter-spacing: 0.05em;
}

.doc-preview__placeholder-text {
  font-size: var(--fs-14);
  max-width: 32ch;
  line-height: 1.5;
}

/* Content sections after preview */
.doc-content {
  margin-top: 48px;
  max-width: 720px;
}

.doc-content__heading {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--ink);
  margin-bottom: 14px;
  margin-top: 32px;
}

.doc-content__heading:first-child { margin-top: 0; }

.doc-content p {
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--ink);
  margin-bottom: 1em;
}

.doc-content ul {
  list-style: disc;
  padding-left: 1.4em;
  margin-bottom: 1.2em;
}

.doc-content li {
  font-size: var(--fs-16);
  line-height: 1.6;
  color: var(--ink);
  margin-bottom: 0.4em;
}

.doc-content li::marker { color: var(--text-muted); }


/* ============================================================
   Sidebar download box (sticky)
   ============================================================ */

.doc-aside {
  position: sticky;
  top: calc(var(--header-h-sticky) + var(--topbar-h) + 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.doc-box {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--r-4);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.doc-box__icon-wrap {
  width: 56px;
  height: 68px;
  border: 1.5px solid var(--border);
  background: var(--paper);
  border-radius: var(--r-2);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 8px;
  position: relative;
  margin-bottom: 4px;
}

.doc-box__icon-wrap::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 16px;
  height: 16px;
  background: var(--white);
  border-bottom: 1.5px solid var(--border);
  border-left: 1.5px solid var(--border);
}

.doc-box__icon-type {
  font-size: var(--fs-11);
  font-weight: 700;
  color: var(--red-deep);
  letter-spacing: 0.05em;
}

.doc-box__meta {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.doc-box__meta-row {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: var(--fs-13);
  border-bottom: 1px dashed var(--line-soft);
}

.doc-box__meta-row:last-child { border-bottom: 0; }

.doc-box__meta-label { color: var(--text-muted); }
.doc-box__meta-value { color: var(--ink); font-weight: 600; }

.doc-box__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 18px;
  background: var(--red);
  color: var(--white);
  border-radius: var(--r-pill);
  font-size: var(--fs-14);
  font-weight: 600;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease);
}

.doc-box__btn:hover { background: var(--red-deep); }

.doc-box__btn svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.doc-box__btn:hover svg { transform: translateY(2px); }

.doc-box__hint {
  font-size: var(--fs-12);
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

/* Share row */
.doc-share {
  background: var(--paper-2);
  border-radius: var(--r-3);
  padding: 16px 20px;
}

.doc-share__label {
  font-size: var(--fs-11);
  font-weight: 600;
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.doc-share__row {
  display: flex;
  gap: 6px;
}

.doc-share__btn {
  width: 34px;
  height: 34px;
  border-radius: var(--r-2);
  background: var(--white);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease);
  cursor: pointer;
}

.doc-share__btn:hover {
  color: var(--ink);
  border-color: var(--ink-3);
}

.doc-share__btn svg { width: 13px; height: 13px; }


/* ============================================================
   Related documents
   ============================================================ */

.doc-related {
  background: var(--paper-2);
  padding: 64px 0;
  margin-top: 96px;
  border-top: 1px solid var(--border);
}

.doc-related__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-6);
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.doc-related__title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.doc-related__all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--red);
  transition: color var(--dur-fast) var(--ease);
}

.doc-related__all svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur) var(--ease);
}

.doc-related__all:hover { color: var(--red-deep); }
.doc-related__all:hover svg { transform: translateX(3px); }

.doc-related .docs-list {
  background: var(--white);
  border-radius: var(--r-3);
  padding: 0 24px;
}