/* ============================================================
   B·S·CATALOG — Minimal · Data Flow
   ============================================================ */

:root {
  --color-ink:        #1E1E2F;   /* deep grey-blue — headings */
  --color-ink-soft:   #4A4A5A;
  --color-ink-mute:   #8A8A99;
  --color-coral:      #E94560;   /* accent — hover, awards */
  --color-bg:         #F4F4F8;   /* cool light grey */
  --color-card:       #FFFFFF;
  --color-line:       #E2E2EA;
  --color-line-soft:  #ECECF2;

  --tag-cat-bg:   #E0E0E0;  --tag-cat-fg:   #4A4A5A;
  --tag-lang-bg:  #D4E6F1;  --tag-lang-fg:  #2C5E7A;
  --tag-page-bg:  #F5E6CA;  --tag-page-fg:  #8A6A2A;

  --fs-title: 15px;
  --fs-author: 12px;
  --fs-tag: 9px;

  --gap: 12px;
  --radius: 4px;
  --ease: cubic-bezier(.2,.6,.2,1);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv01";
  padding-bottom: env(safe-area-inset-bottom);
}

a { color: inherit; text-decoration: none; }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--color-ink-soft);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-ink); }
html { scrollbar-width: thin; scrollbar-color: var(--color-ink-soft) transparent; }

/* ---------- Top bar ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(244, 244, 248, 0.86);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--color-line);
  transition: padding .25s var(--ease);
}
.topbar-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 22px 28px 14px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  transition: padding .25s var(--ease);
}
.topbar.shrunk .topbar-inner { padding: 12px 28px 10px; }

.brand {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.18em;
  color: var(--color-ink);
  display: inline-flex;
  align-items: baseline;
  transition: font-size .25s var(--ease), letter-spacing .25s var(--ease);
}
.topbar.shrunk .brand { font-size: 14px; letter-spacing: 0.22em; }
.brand .dot { color: var(--color-coral); font-weight: 600; padding: 0 1px; }

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 22px;
}
.count {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--color-ink-mute);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.count #countNum { color: var(--color-ink); font-weight: 600; }

/* ---------- Controls ---------- */
.controls {
  position: sticky;
  top: 0;
  z-index: 30;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-line-soft);
}
.controls-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 14px 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.topbar.shrunk ~ .controls { top: 48px; }

.search-wrap { flex: 1 1 260px; min-width: 200px; position: relative; }
.search-input {
  width: 100%;
  border: 1px solid var(--color-line);
  background: var(--color-card);
  color: var(--color-ink);
  font-family: inherit;
  font-size: 13px;
  font-weight: 400;
  padding: 9px 12px;
  border-radius: var(--radius);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.search-input::placeholder { color: var(--color-ink-mute); font-weight: 300; }
.search-input:focus {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 3px rgba(30,30,47,0.06);
}

.filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.clear-all-btn {
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-family: inherit;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .15s, color .15s;
  white-space: nowrap;
}
.clear-all-btn:hover {
  border-color: var(--color-coral);
  color: var(--color-coral);
}
.filter { position: relative; }
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  font-family: inherit;
  font-size: 11px;
  font-weight: 400;
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .15s, color .15s;
  white-space: nowrap;
}
.filter-btn:hover { border-color: var(--color-ink-soft); }
.filter.open .filter-btn { border-color: var(--color-ink); }
.filter-label {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}
.filter-val { font-weight: 500; color: var(--color-ink); }
.filter.has-active .filter-val { color: var(--color-coral); }
.caret {
  width: 0; height: 0;
  border-left: 3px solid transparent;
  border-right: 3px solid transparent;
  border-top: 4px solid var(--color-ink-mute);
  transition: transform .2s var(--ease);
}
.filter.open .caret { transform: rotate(180deg); }

.filter-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 200px;
  max-height: 340px;
  overflow-y: auto;
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(30,30,47,0.10);
  padding: 6px 0;
  z-index: 50;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity .15s var(--ease), transform .15s var(--ease);
}
.filter.open .filter-menu {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 12px;
  font-weight: 400;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: background .12s, color .12s;
}
.filter-option:hover { background: var(--color-bg); color: var(--color-ink); }
.filter-option.active { color: var(--color-coral); }
.filter-option .check {
  width: 12px; height: 12px;
  border: 1px solid var(--color-line);
  border-radius: 2px;
  flex-shrink: 0;
  position: relative;
  transition: border-color .12s, background .12s;
}
.filter-option.active .check {
  background: var(--color-coral);
  border-color: var(--color-coral);
}
.filter-option.active .check::after {
  content: "";
  position: absolute;
  left: 3px; top: 0px;
  width: 4px; height: 7px;
  border: solid #fff;
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}
.filter-option .opt-count {
  margin-left: auto;
  font-size: 9px;
  font-weight: 300;
  color: var(--color-ink-mute);
  font-variant-numeric: tabular-nums;
}

/* ---------- Status bar ---------- */
.status-bar {
  max-width: 1480px;
  margin: 0 auto;
  padding: 18px 28px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  font-variant-numeric: tabular-nums;
}
.clear-btn {
  background: transparent;
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-family: inherit;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color .15s, color .15s;
}
.clear-btn:hover { border-color: var(--color-coral); color: var(--color-coral); }

/* ---------- Grid ---------- */
.grid {
  max-width: 1480px;
  margin: 0 auto;
  padding: 4px 28px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
  transition: opacity .2s var(--ease);
}
.grid.fading { opacity: 0; }

.card {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
  opacity: 0;
  animation: cardIn .25s var(--ease) forwards;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
@keyframes cardIn { to { opacity: 1; } }
.card:hover {
  border-color: var(--color-coral);
  box-shadow: 0 6px 18px rgba(233,69,96,0.08);
}
.card.highlight {
  border-color: var(--color-ink);
  box-shadow: 0 0 0 2px rgba(30,30,47,0.10);
}
.card.expanded {
  border-color: var(--color-ink);
  grid-column: span 2;
}
.card.expanded.full-row { grid-column: 1 / -1; }

.thumb-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--color-line-soft);
  overflow: hidden;
}
.thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.thumb-wrap img.loaded { opacity: 1; }
.thumb-wrap .skeleton {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, #ECECF2 25%, #F4F4F8 50%, #ECECF2 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
}
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }
.thumb-fallback {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.92);
}

/* awards dot */
.awards-dot {
  position: absolute;
  top: 8px; right: 8px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-coral);
  box-shadow: 0 0 0 0 rgba(233,69,96,0.6);
  animation: pulse 2s infinite;
  z-index: 2;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(233,69,96,0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(233,69,96,0); }
  100% { box-shadow: 0 0 0 0 rgba(233,69,96,0); }
}

/* expand hint arrow */
.thumb-arrow {
  position: absolute;
  bottom: 8px; right: 8px;
  width: 22px; height: 22px;
  background: rgba(30,30,47,0.78);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  opacity: 0;
  transform: translateX(4px);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
  z-index: 2;
}
.card:hover .thumb-arrow { opacity: 1; transform: translateX(0); }

.info {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.title-row {
  display: flex;
  flex-direction: column;
  gap: 1px;
}
.info .title {
  font-size: var(--fs-title);
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.info .author {
  font-size: var(--fs-author);
  font-weight: 400;
  color: var(--color-ink-mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: 4px;
}
.tag {
  font-size: var(--fs-tag);
  font-weight: 300;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 5px;
  border-radius: 2px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}
.tag-cat  { background: var(--tag-cat-bg);  color: var(--tag-cat-fg); }
.tag-lang { background: var(--tag-lang-bg); color: var(--tag-lang-fg); }
.tag-page { background: var(--tag-page-bg); color: var(--tag-page-fg); }
.meta-line {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.05em;
  color: var(--color-ink-mute);
  margin-top: 4px;
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* external link icon */
.ext-link {
  position: absolute;
  bottom: 8px; right: 8px;
  width: 22px; height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--color-ink-mute);
  background: rgba(255,255,255,0.85);
  border-radius: 50%;
  opacity: 0;
  transition: opacity .2s var(--ease), color .15s;
  z-index: 3;
}
.card:hover .ext-link { opacity: 1; }
.ext-link:hover { color: var(--color-coral); }

/* ---------- Accordion expand panel ---------- */
.expand-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease);
  border-top: 1px solid transparent;
}
.card.expanded .expand-panel {
  border-top: 1px solid var(--color-line);
  max-height: 600px;
}
.expand-inner {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity .25s var(--ease) .05s, transform .25s var(--ease) .05s;
}
.card.expanded .expand-inner { opacity: 1; transform: translateY(0); }

.section-label {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin-bottom: 4px;
}
.desc-text {
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-ink-soft);
  white-space: pre-line;
}
.desc-text .desc-h {
  font-weight: 600;
  color: var(--color-ink);
}
.awards-text {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-ink-soft);
}
.author-intro {
  font-size: 12px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-ink-soft);
  border-left: 2px solid var(--color-coral);
  padding-left: 10px;
}
.expand-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 16px;
  font-size: 11px;
  color: var(--color-ink-soft);
}
.expand-meta-grid .k {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin-bottom: 2px;
}

/* ---------- Loading / empty ---------- */
.sentinel { height: 1px; }
.loading {
  max-width: 1480px;
  margin: 0 auto;
  padding: 18px 28px 40px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}
.loading-bar {
  flex: 1;
  height: 1px;
  background: var(--color-line);
  position: relative;
  overflow: hidden;
}
.loading-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 30%;
  background: var(--color-coral);
  animation: slide 1.1s var(--ease) infinite;
}
@keyframes slide {
  0%   { left: -30%; }
  100% { left: 100%; }
}

.empty {
  max-width: 1480px;
  margin: 0 auto;
  padding: 80px 28px 120px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.empty-mark {
  font-size: 32px;
  font-weight: 300;
  color: var(--color-ink-mute);
}
.empty-text {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-card);
  margin-top: 40px;
}
.footer-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 36px 28px 60px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.footer-brand {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.20em;
  color: var(--color-ink);
}
.footer-brand .dot { color: var(--color-coral); }
.footer-nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color .15s, border-color .15s;
}
.footer-nav a:hover { color: var(--color-coral); border-bottom-color: var(--color-coral); }
.footer-note {
  font-size: 10px;
  font-weight: 300;
  color: var(--color-ink-mute);
  margin: 6px 0 0;
  max-width: 520px;
  line-height: 1.6;
}

/* ---------- Awards tooltip ---------- */
.awards-tooltip {
  position: fixed;
  z-index: 100;
  background: var(--color-ink);
  color: #fff;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.5;
  padding: 8px 10px;
  border-radius: var(--radius);
  max-width: 260px;
  box-shadow: 0 6px 18px rgba(30,30,47,0.20);
  pointer-events: none;
}

/* ---------- Mobile bottom toolbar ---------- */
.mobile-toolbar {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 45;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-line);
  padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  justify-content: space-around;
}
.mobile-toolbar-btn {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--color-ink-soft);
  font-family: inherit;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 8px 4px;
  min-height: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background .12s, color .12s;
}
.mobile-toolbar-btn:active { background: var(--color-bg); transform: scale(0.97); }
.mt-icon { font-size: 14px; line-height: 1; }

.sheet-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30,30,47,0.34);
  z-index: 60;
  opacity: 0;
  transition: opacity .2s var(--ease);
}
.sheet-overlay.show { opacity: 1; }
.bottom-sheet {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 70;
  background: var(--color-card);
  border-radius: 14px 14px 0 0;
  box-shadow: 0 -8px 24px rgba(30,30,47,0.12);
  padding: 8px 16px calc(20px + env(safe-area-inset-bottom));
  max-height: 70vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform .3s var(--ease);
}
.bottom-sheet.show { transform: translateY(0); }
.sheet-handle {
  width: 36px; height: 4px;
  background: var(--color-line);
  border-radius: 2px;
  margin: 4px auto 14px;
}
.sheet-content { display: flex; flex-direction: column; gap: 18px; }
.sheet-group { display: flex; flex-direction: column; gap: 6px; }
.sheet-group-title {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}
.sheet-options { display: flex; flex-wrap: wrap; gap: 6px; }
.sheet-chip {
  background: var(--color-bg);
  border: 1px solid var(--color-line);
  color: var(--color-ink-soft);
  font-family: inherit;
  font-size: 11px;
  font-weight: 400;
  padding: 7px 11px;
  border-radius: 999px;
  cursor: pointer;
  min-height: 36px;
  transition: border-color .12s, color .12s, background .12s;
}
.sheet-chip.active {
  background: var(--color-ink);
  border-color: var(--color-ink);
  color: #fff;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1200px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .card.expanded { grid-column: span 2; }
}
@media (max-width: 900px) {
  .topbar-inner { padding: 16px 18px 12px; }
  .controls-inner { padding: 12px 18px; }
  .status-bar { padding: 14px 18px 8px; }
  .grid { padding: 4px 18px 20px; gap: 10px; }
}
@media (max-width: 768px) {
  body { padding-bottom: 72px; }
  .topbar-inner { padding: 14px 16px 10px; }
  .controls { display: none; }
  .status-bar { padding: 12px 16px 6px; font-size: 9px; }
  .grid {
    grid-template-columns: repeat(2, 1fr);
    padding: 4px 8px 24px;
    gap: 8px;
  }
  .card { border-radius: 3px; }
  .card:active { transform: scale(0.98); transition: transform .12s; }
  .card.expanded { grid-column: 1 / -1; }
  .info { padding: 8px 9px 10px; }
  .info .title { font-size: 13px; }
  .info .author { font-size: 11px; }
  .title-row {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 6px;
  }
  .title-row .author {
    flex-shrink: 0;
    max-width: 45%;
    text-align: right;
  }
  .tag-lang { display: none; }
  .footer-inner { padding: 28px 16px 90px; }
  .mobile-toolbar { display: flex; }
  .thumb-arrow { display: none; }
  .ext-link { opacity: 1; }
}
@media (max-width: 360px) {
  .grid { gap: 6px; padding: 4px 6px 20px; }
}

/* ---------- Info pages shared ---------- */
.info-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 60px 28px 100px;
}
.info-page h1 {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  color: var(--color-ink);
}
.info-page .lede {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin: 0 0 36px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--color-line);
}
.info-page h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-ink);
  margin: 32px 0 10px;
}
.info-page p, .info-page li {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-ink-soft);
}
.info-page ul { padding-left: 18px; margin: 8px 0; }
.info-page li { margin-bottom: 6px; }
.info-page a.link {
  color: var(--color-coral);
  border-bottom: 1px solid var(--color-coral);
}
.info-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin-bottom: 28px;
  transition: color .15s;
}
.info-back:hover { color: var(--color-coral); }
.info-contact-block {
  background: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 22px 24px;
  margin-top: 10px;
}
.info-contact-block .label {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin-bottom: 6px;
}
.info-contact-block .email {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
}
.info-contact-block .email a {
  color: inherit;
  border-bottom: 2px solid var(--color-coral);
  padding-bottom: 1px;
}

@media (max-width: 768px) {
  .info-page { padding: 36px 18px 90px; }
  .info-page h1 { font-size: 22px; }
}

/* ============================================================
   Detail Page
   ============================================================ */
.back-link {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--color-ink-mute);
  transition: color .15s;
}
.back-link:hover { color: var(--color-coral); }

.detail-page {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 28px 100px;
}

.detail-loading {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 60px 28px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}
.detail-loading .loading-bar {
  flex: 1;
  height: 1px;
  background: var(--color-line);
  position: relative;
  overflow: hidden;
}
.detail-loading .loading-bar::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 30%;
  background: var(--color-coral);
  animation: slide 1.1s var(--ease) infinite;
}

.detail-content {
  animation: fadeIn .3s var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.detail-hero {
  display: flex;
  gap: 36px;
  margin-bottom: 40px;
}

.detail-thumb-wrap {
  flex-shrink: 0;
  width: 280px;
  aspect-ratio: 3 / 4;
  background: var(--color-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.detail-thumb-wrap .skeleton {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, #ECECF2 25%, #F4F4F8 50%, #ECECF2 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite linear;
}
.detail-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.detail-thumb.loaded { opacity: 1; }
.thumb-fallback {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.92);
}

.detail-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-info-block {
  border-top: 1px solid var(--color-line);
  padding-top: 14px;
  margin-top: 4px;
}
.info-block-title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin-bottom: 8px;
}
.info-block-content {
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-ink-soft);
}

.detail-title {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-ink);
  margin: 0;
}

.detail-author {
  font-size: 16px;
  font-weight: 400;
  color: var(--color-ink-soft);
  margin: 0;
}

.detail-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.tag-year {
  background: var(--tag-cat-bg);
  color: var(--tag-cat-fg);
}

.detail-meta {
  font-size: 12px;
  font-weight: 300;
  color: var(--color-ink-mute);
  letter-spacing: 0.05em;
}

.detail-ext-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-coral);
  margin-top: 12px;
  transition: opacity .15s;
}
.detail-ext-link:hover { opacity: 0.8; }

.detail-sections {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.detail-section {
  border-top: 1px solid var(--color-line);
  padding-top: 24px;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
  margin: 0 0 14px;
}

.detail-desc {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-ink-soft);
  white-space: pre-line;
}
.detail-desc .desc-h {
  font-weight: 600;
  color: var(--color-ink);
  display: block;
  margin: 18px 0 8px;
}
.desc-divider {
  border: 0;
  height: 1px;
  background: var(--color-line);
  margin: 24px 0;
}

.detail-awards {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.detail-author-intro {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
  color: var(--color-ink-soft);
  border-left: 3px solid var(--color-coral);
  padding-left: 14px;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}
.meta-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-key {
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink-mute);
}
.meta-val {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-ink-soft);
}

.detail-error {
  text-align: center;
  padding: 80px 28px;
}

@media (max-width: 900px) {
  .detail-hero {
    flex-direction: column;
    gap: 24px;
  }
  .detail-thumb-wrap {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
  }
  .detail-info { text-align: center; }
  .detail-tags { justify-content: center; }
}

@media (max-width: 768px) {
  .detail-page { padding: 24px 16px 90px; }
  .detail-title { font-size: 24px; }
  .detail-author { font-size: 14px; }
  .detail-section { padding-top: 18px; }
  .detail-meta-grid { grid-template-columns: 1fr; }
  .topbar-inner { padding: 14px 16px 10px; }
}