/* A quiet, illustrated reading corner, scoped to the notes catalogue. */
.mag-page-notes .mag-masthead { padding-block: 24px 26px; }
.mag-page-notes .mag-masthead-title { font-size: clamp(40px, 5.2vw, 64px); }
.mag-page-notes .mag-masthead-desc { max-width: 730px; line-height: 1.85; }
.nb-catalog-title { text-align: center; padding: 22px 0 28px; }
.nb-catalog-title h1 { font: 600 clamp(36px, 4.6vw, 56px)/1.3 "Songti SC", SimSun, Georgia, serif; letter-spacing: -.035em; margin: 0; }
.nb-anchor { display: block; height: 0; width: 0; pointer-events: none; }

.nb-reading-room {
  --nb-paper: #faf6ee;
  --nb-ink: #0a1417;
  --nb-teal: #1d6b69;
  --nb-orange: #f27b51;
  --nb-serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", SimSun, Georgia, serif;
  position: relative;
  display: block;
  padding: 30px 0 40px;
  margin-bottom: 0;
}
.nb-room-copy { align-self: center; padding-bottom: 30px; }
.nb-eyebrow { font: 10px/1.7 var(--mono); letter-spacing: .13em; color: var(--nb-teal); margin: 0 0 26px; }
.nb-room-copy h2 { font: 500 43px/1.55 var(--nb-serif); letter-spacing: -.035em; margin: 0 0 22px; color: var(--nb-ink); }
.nb-copy-rule { display: block; width: 36px; height: 2px; background: var(--nb-orange); margin-bottom: 22px; }
.nb-room-intro { color: #53615f; font-size: 14px; line-height: 1.9; margin: 0 0 22px; }
.nb-room-hint { font-size: 11px; line-height: 1.9; color: #53615f; margin: 0 0 28px; }
.nb-chapters { display: flex; flex-wrap: wrap; gap: 7px; }
.nb-chapters button,
.nb-control-buttons button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--nb-teal);
  font: 12px/1.5 var(--sans);
  padding: 9px 16px;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s;
}
.nb-chapters button { padding-inline: 14px; font-family: var(--mono); }
.nb-chapters button[aria-pressed="true"] { background: var(--nb-teal); border-color: var(--nb-teal); color: var(--nb-paper); }
.nb-chapters button:hover,
.nb-control-buttons button:hover { border-color: var(--nb-teal); background: rgba(29,107,105,.06); }
.nb-chapters button[aria-pressed="true"]:hover { background: var(--nb-teal); }
.nb-reading-room :where(a, button):focus-visible { outline: 2px solid var(--nb-teal); outline-offset: 5px; }
.nb-chapters button:disabled,
.nb-control-buttons button:disabled { cursor: default; opacity: .5; }
.nb-chapters button:active,
.nb-control-buttons button:active { transform: translateY(1px); }

.nb-desk { min-width: 0; padding-top: 8px; }
.nb-book-scene { position: relative; width: min(100% - 28px, 980px); aspect-ratio: 3 / 2; margin-inline: auto; perspective: 2000px; touch-action: pan-y; }
.nb-desk-shadow {
  position: absolute;
  left: 4%; right: 4%; bottom: -18px; height: 28px;
  background: rgba(10,20,23,.2);
  border-radius: 50%;
  filter: blur(18px);
  transform: none;
  pointer-events: none;
}
.nb-book { position: relative; width: 100%; height: 100%; transform: none; transform-style: preserve-3d; }
.nb-cloth-cover {
  position: absolute;
  inset: -8px -11px -15px;
  border-radius: 10px 14px 14px 10px;
  background: var(--nb-teal);
  border: 1px solid rgba(10,20,23,.3);
  box-shadow: 0 12px 22px rgba(10,20,23,.13), inset 0 0 0 2px rgba(250,246,238,.14);
  transform: translateZ(-12px);
}
.nb-cloth-cover::after { content: ""; position: absolute; inset: 6px; border: 1px solid rgba(250,246,238,.14); border-radius: 5px 10px 10px 5px; }
.nb-page-stack {
  position: absolute;
  top: 7px; bottom: -8px; width: calc(50% - 2px);
  background: repeating-linear-gradient(to bottom, #ddd4c3 0px, #ddd4c3 1px, #f5eedf 1px, #f5eedf 3px);
  border: 1px solid rgba(10,20,23,.08);
  transform: translateZ(-5px);
}
.nb-stack-left { left: -2px; border-radius: 7px 1px 1px 9px; }
.nb-stack-right { right: -3px; border-radius: 1px 7px 10px 1px; }
.nb-ribbon {
  position: absolute;
  left: 14%; top: calc(100% - 5px); width: 20px; height: 42px;
  background: var(--nb-orange);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 82%, 0 100%);
  transform: translateZ(-9px) rotate(-5deg);
  box-shadow: inset -4px 0 0 rgba(10,20,23,.08);
}
.nb-fixed-page { position: absolute; top: 0; width: 50%; height: 100%; background: var(--nb-paper); }
.nb-left-page { left: 0; border-radius: 7px 1px 1px 7px; box-shadow: inset -16px 0 22px -20px rgba(10,20,23,.5); }
.nb-right-page { right: 0; border-radius: 1px 7px 7px 1px; overflow: hidden; }
.nb-right-page img { display: block; width: 100%; height: 100%; object-fit: contain; }
.nb-leaf { position: absolute; top: 0; left: 50%; width: 50%; height: 100%; transform-origin: left center; transform-style: preserve-3d; z-index: 4; }
.nb-page-face { position: absolute; inset: 0; background: var(--nb-paper); backface-visibility: hidden; -webkit-backface-visibility: hidden; }
.nb-page-front { border-radius: 1px 7px 7px 1px; transform: translateZ(.6px); overflow: hidden; }
.nb-page-front::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,20,23,.12), transparent 9%, transparent 98%, rgba(10,20,23,.05)); pointer-events: none; }
.nb-page-back { transform: rotateY(180deg) translateZ(.6px); border-radius: 7px 1px 1px 7px; box-shadow: inset -12px 0 20px -17px rgba(10,20,23,.4); overflow: hidden; }
.nb-cover-link { display: block; width: 100%; height: 100%; }
.nb-cover-link img { display: block; width: 100%; height: 100%; object-fit: contain; }
.nb-cover-link:focus-visible { outline-offset: -5px !important; }
.nb-book-gutter {
  position: absolute; z-index: 5; top: 0; bottom: 0; left: calc(50% - 11px); width: 22px;
  background: linear-gradient(90deg, transparent, rgba(10,20,23,.1) 45%, rgba(10,20,23,.19) 50%, rgba(10,20,23,.08) 57%, transparent);
  transform: translateZ(2px);
  pointer-events: none;
}
.nb-turn-shadow { position: absolute; top: 0; right: 0; width: 50%; height: 100%; background: linear-gradient(90deg, rgba(10,20,23,.4), transparent 85%); z-index: 3; opacity: 0; pointer-events: none; }
.nb-reading-room[data-turning="true"] .nb-cover-link { pointer-events: none; }

.nb-page-content { height: 100%; display: flex; flex-direction: column; padding: 36px 42px 28px; overflow: hidden; }
.nb-page-masthead { display: flex; align-items: center; justify-content: space-between; gap: 10px; font: 8px/1.7 var(--mono); letter-spacing: .1em; color: #53615f; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.nb-page-masthead > span:last-child { font: 9px/1.7 var(--sans); letter-spacing: .05em; }
.nb-page-kicker { color: var(--nb-teal); font: 9px/1.7 var(--mono); letter-spacing: .14em; margin: 0 0 12px; }
.nb-page-content h3 { font: 600 clamp(28px, 3.2vw, 43px)/1.28 var(--nb-serif); color: var(--nb-teal); letter-spacing: -.035em; margin: 0 0 10px; }
.nb-page-subtitle { font: 16px/1.65 var(--nb-serif); color: var(--nb-ink); margin: 0 0 22px; }
.nb-page-description { font: 16px/1.9 var(--sans); color: #53615f; margin: 0 0 24px; text-wrap: pretty; }
.nb-page-keywords { font: 9px/1.8 var(--mono); color: var(--nb-teal); margin: 0 0 16px; overflow-wrap: anywhere; }
.nb-read-link { display: inline-flex; align-items: center; align-self: flex-start; min-height: 44px; padding: 7px 0; color: var(--nb-teal); font-size: 12px; text-decoration: underline; text-decoration-color: var(--nb-orange); text-underline-offset: 6px; }
.nb-read-link:hover { color: var(--nb-ink); }
.nb-page-folio { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: #53615f; font: 8px/1.8 var(--sans); margin-top: auto; padding-top: 18px; }
.nb-page-folio > span:last-child { color: var(--nb-teal); font-family: var(--mono); }
.nb-book-controls { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: min(100% - 28px, 980px); margin: 58px auto 0; }
.nb-control-buttons { display: flex; justify-content: center; gap: 8px; }
.nb-control-buttons .nb-play-toggle { background: var(--nb-teal); border-color: var(--nb-teal); color: var(--nb-paper); }
.nb-control-buttons .nb-play-toggle:hover { background: var(--nb-ink); border-color: var(--nb-ink); }
.nb-control-buttons .nb-play-toggle[aria-pressed="true"] { background: transparent; color: var(--nb-teal); }
.nb-page-counter { min-width: 56px; color: var(--nb-teal); font: 10px/1.8 var(--mono); }
.nb-play-state { min-width: 60px; text-align: right; font: 10px/1.8 var(--sans); color: #53615f; }
.nb-mobile-hint { display: none; }
.nb-view-all { display: flex; justify-content: flex-end; width: min(100% - 28px, 980px); margin: 16px auto 0; }
.nb-view-all a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 9px 26px; border: 1px solid var(--nb-teal); border-radius: 999px; color: var(--nb-teal); font-size: 13px; line-height: 1.5; text-decoration: none; transition: background .2s, color .2s; }
.nb-view-all a:hover { color: var(--nb-paper); background: var(--nb-teal); }
.nb-view-all a:active { transform: translateY(1px); }
.nb-noscript { grid-column: 1 / -1; font-size: 12px; color: #53615f; }

@media (max-width: 1120px) {
  .nb-reading-room { display: block; }
  .nb-room-copy h2 { font-size: 37px; }
  .nb-page-content { padding: 22px 24px 20px; }
  .nb-page-masthead { margin-bottom: 22px; }
  .nb-page-content h3 { font-size: 33px; }
  .nb-page-subtitle { font-size: 14px; margin-bottom: 16px; }
  .nb-page-description { font-size: 12px; line-height: 1.85; margin-bottom: 12px; }
  .nb-page-keywords { font-size: 8px; margin-bottom: 10px; }
  .nb-page-folio { padding-top: 12px; }
  .nb-page-folio > span:first-child { display: none; }
  .nb-play-state { display: none; }
}
@media (max-width: 920px) {
  .nb-reading-room { padding-top: 8px; }
  .nb-room-copy { display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; align-items: end; padding: 0; }
  .nb-eyebrow { grid-column: 1 / -1; margin-bottom: 14px; }
  .nb-room-copy h2 { grid-column: 1; grid-row: 2 / 4; font-size: 36px; margin: 0; }
  .nb-copy-rule { display: none; }
  .nb-room-intro { grid-column: 2; grid-row: 2; font-size: 13px; margin-bottom: 14px; }
  .nb-room-hint { display: none; }
  .nb-chapters { grid-column: 2; grid-row: 3; }
  .nb-page-content { padding: 30px; }
  .nb-page-content h3 { font-size: 38px; }
  .nb-page-masthead { margin-bottom: 30px; }
  .nb-page-subtitle { font-size: 16px; margin-bottom: 22px; }
  .nb-page-description { font-size: 14px; }
  .nb-page-keywords { font-size: 9px; }
  .nb-page-folio > span:first-child { display: inline; }
  .nb-play-state { display: inline; }
}
@media (max-width: 600px) {
  .nb-reading-room { margin-bottom: 0; padding-bottom: 32px; }
  .nb-catalog-title { padding: 8px 0 24px; }
  .nb-room-copy { grid-template-columns: 1fr; }
  .nb-room-copy h2 { grid-column: 1; grid-row: auto; font-size: 31px; line-height: 1.5; }
  .nb-room-copy h2 br { display: none; }
  .nb-room-intro { grid-column: 1; grid-row: auto; margin: 12px 0 16px; font-size: 13px; }
  .nb-room-intro br { display: none; }
  .nb-chapters { grid-column: 1; grid-row: auto; }
  .nb-book { transform: none; }
  .nb-cloth-cover { inset: -5px -6px -10px; border-radius: 7px 10px 10px 7px; }
  .nb-cloth-cover::after { inset: 4px; }
  .nb-page-content { padding: 16px 15px 12px; }
  .nb-page-masthead { padding-bottom: 8px; margin-bottom: 16px; font-size: 6px; }
  .nb-page-masthead > span:last-child { display: none; }
  .nb-page-kicker { font-size: 6px; letter-spacing: .08em; margin-bottom: 8px; }
  .nb-page-content h3 { font-size: clamp(22px, 5.6vw, 32px); margin-bottom: 8px; }
  .nb-page-subtitle { font-size: 12px; margin-bottom: 8px; }
  .nb-page-description,
  .nb-page-keywords { display: none; }
  .nb-read-link { font-size: 10px; min-height: 44px; margin-top: auto; }
  .nb-page-folio { font-size: 7px; padding-top: 5px; }
  .nb-page-folio > span:first-child { display: none; }
  .nb-ribbon { width: 13px; height: 32px; }
  .nb-book-controls { gap: 14px 8px; flex-wrap: wrap; justify-content: center; margin-top: 32px; }
  .nb-book-controls .nb-chapters { flex: 1 1 100%; justify-content: center; }
  .nb-control-buttons { gap: 6px; }
  .nb-control-buttons button { font-size: 11px; padding: 9px 12px; }
  .nb-page-counter { min-width: 48px; font-size: 9px; }
  .nb-play-state { display: none; }
  .nb-mobile-hint { display: block; font-size: 10px; line-height: 1.8; color: #53615f; text-align: center; margin: 14px 0 0; }
  .mag-page-notes .mag-masthead { padding-bottom: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  .nb-reading-room :where(a, button) { transition: none; }
  .nb-book { transform: none; }
}
@media (max-width: 420px) {
  .nb-page-masthead,
  .nb-page-kicker { display: none; }
  .nb-page-content { padding: 14px 12px 10px; }
}