:root {
  --unit: 8px;
  --site-max: 1184px;
  --page-gutter: 32px;
  --grid-gap: 24px;
  --card-radius: 8px;
  --paper: #f7f7f3;
  --paper-deep: #edede8;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #5d625f;
  --line: #d8d8d1;
  --line-strong: #b9b9b0;
  --blue: #164f8f;
  --green: #1f6c4a;
  --amber: #9b5d13;
  --red: #9c3024;
  --shadow: 0 18px 56px rgba(24, 25, 22, 0.08);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif,
    "Apple SD Gothic Neo", "Noto Sans KR", "Hiragino Sans", "Yu Gothic";
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(23, 23, 23, 0.026) 1px, transparent 1px) 0 0 / 32px 32px,
    var(--paper);
  color: var(--ink);
}

body.is-viewer-open {
  overflow: hidden;
}

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

button,
input,
textarea {
  font: inherit;
  letter-spacing: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns:
    minmax(var(--page-gutter), 1fr)
    repeat(12, minmax(0, calc((var(--site-max) - 264px) / 12)))
    minmax(var(--page-gutter), 1fr);
  column-gap: var(--grid-gap);
  align-items: center;
  min-height: 64px;
  padding-block: 10px;
  border-bottom: 1px solid rgba(220, 216, 203, 0.82);
  background: rgba(247, 247, 243, 0.94);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  grid-column: 2 / 7;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
}

.brand-copy {
  display: grid;
  gap: 2px;
  line-height: 1.1;
}

.brand-copy strong {
  font-size: 16px;
}

.brand-copy span {
  color: var(--muted);
  font-size: 12px;
}

.nav-links {
  display: flex;
  grid-column: 8 / 14;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.nav-links a {
  min-height: 36px;
  padding: 9px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

main {
  overflow: hidden;
}

.intro-band,
.featured-section,
.archive-section,
.policy-band {
  width: min(var(--site-max), calc(100% - (2 * var(--page-gutter))));
  margin: 0 auto;
}

.intro-band {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: center;
  min-height: 304px;
  padding-block: 48px 40px;
}

.intro-copy {
  grid-column: 1 / 8;
}

.intro-metrics {
  grid-column: 8 / 13;
}

.eyebrow {
  margin: 0 0 calc(var(--unit) * 2);
  color: var(--blue);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: 80px;
  line-height: 0.9;
}

h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1;
}

h3 {
  margin: 0;
  font-size: 24px;
  line-height: 1.125;
}

.intro-metrics {
  display: grid;
  gap: 0;
}

.intro-metrics div {
  display: grid;
  gap: 4px;
  min-height: 80px;
  padding-block: 15px;
  border-top: 1px solid var(--line);
}

.intro-metrics div:last-child {
  border-bottom: 1px solid var(--line);
}

.intro-metrics strong {
  font-size: 19px;
  line-height: 1.15;
}

.intro-metrics span {
  color: var(--muted);
  font-size: 13px;
}

.section-heading {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: end;
  margin-bottom: calc(var(--unit) * 3);
}

.section-heading > .eyebrow {
  grid-column: 1 / 4;
  margin-bottom: 0;
}

.section-heading > h2 {
  grid-column: 8 / 13;
  text-align: left;
}

.featured-section,
.archive-section,
.policy-band {
  padding-block: calc(var(--unit) * 5);
}

.featured-work {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: stretch;
  min-height: 384px;
  padding: calc(var(--unit) * 4);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.featured-copy {
  display: flex;
  grid-column: 1 / 6;
  flex-direction: column;
  align-items: flex-start;
  gap: calc(var(--unit) * 2);
}

.work-status {
  margin: 0;
  color: var(--amber);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.work-question {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.6;
}

.language-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--unit);
}

.language-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--paper);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.source-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 10px 14px;
  border: 1px solid var(--ink);
  border-radius: var(--card-radius);
  background: var(--ink);
  color: var(--surface);
  font-size: 14px;
  font-weight: 700;
}

.source-link:hover {
  background: var(--blue);
  border-color: var(--blue);
}

.reader-open-button {
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--ink);
  border-radius: var(--card-radius);
  background: var(--ink);
  color: var(--surface);
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
}

.reader-open-button:hover {
  border-color: var(--blue);
  background: var(--blue);
}

.reader-open-button:disabled {
  border-color: var(--line);
  background: var(--paper-deep);
  color: var(--muted);
  cursor: not-allowed;
}

.paper-meta {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: var(--unit) calc(var(--unit) * 2);
  width: 100%;
  margin: auto 0 0;
  padding-top: calc(var(--unit) * 2);
  border-top: 1px solid var(--line);
  font-size: 12px;
}

.paper-meta dt {
  color: var(--muted);
}

.paper-meta dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.featured-preview {
  display: grid;
  grid-column: 6 / 13;
  grid-template-columns: 5fr 4fr 4fr;
  gap: calc(var(--unit) * 2);
  align-items: end;
}

.featured-preview .paper-image-frame:first-child {
  transform: translateY(calc(var(--unit) * -1));
}

.paper-image-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 5 / 7;
  border: 1px solid var(--line-strong);
  border-radius: var(--card-radius);
  background: var(--surface);
}

.paper-image-frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  filter: saturate(0.05) contrast(1.03);
}

.paper-placeholder {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 10px;
  width: 100%;
  height: 100%;
  padding: 18px;
  background:
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 12px,
      rgba(23, 23, 23, 0.06) 13px
    ),
    var(--surface);
  color: var(--muted);
  text-align: center;
}

.paper-placeholder span {
  font-size: 12px;
}

.paper-placeholder strong {
  color: var(--ink);
  font-size: 18px;
}

.archive-heading {
  align-items: start;
}

.archive-heading > div:first-child {
  grid-column: 1 / 4;
}

.archive-heading > div:first-child .eyebrow {
  margin-bottom: calc(var(--unit) * 2);
}

.topic-filters {
  display: flex;
  grid-column: 5 / 13;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: var(--unit);
  max-width: none;
}

.topic-button {
  min-height: 32px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  padding: 6px 10px;
  font-size: 13px;
}

.topic-button:hover,
.topic-button.is-active {
  border-color: var(--ink);
  color: var(--ink);
}

.topic-button.is-active {
  background: var(--paper-deep);
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--grid-gap);
}

.work-card {
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: rgba(255, 255, 255, 0.84);
  overflow: hidden;
}

.work-card .paper-image-frame {
  width: 100%;
  height: auto;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
}

.work-card-body {
  display: flex;
  flex-direction: column;
  gap: calc(var(--unit) * 1.5);
  min-width: 0;
  padding: calc(var(--unit) * 2);
}

.work-card h3 {
  font-size: 20px;
  line-height: 1.2;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--unit) * 0.75);
  margin-top: auto;
}

.topic-list span {
  min-height: 24px;
  padding: 4px 8px;
  border-left: 2px solid var(--green);
  background: var(--paper);
  color: var(--muted);
  font-size: 12px;
}

.card-footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding-top: calc(var(--unit) * 1.5);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.card-footer a {
  color: var(--blue);
  font-weight: 700;
}

.policy-band {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  border-top: 1px solid var(--line);
}

.policy-band > div {
  grid-column: 1 / 5;
}

.policy-band > p {
  grid-column: 6 / 13;
}

.policy-band > p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.policy-band a,
.correction-contact a {
  color: var(--blue);
  font-weight: 800;
}

.policy-band {
  margin-top: calc(var(--unit) * 3);
}

.paper-detail-main {
  padding-bottom: calc(var(--unit) * 8);
}

.detail-hero,
.detail-toolbar,
.detail-body {
  width: min(var(--site-max), calc(100% - (2 * var(--page-gutter))));
  margin: 0 auto;
}

.detail-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: center;
  min-height: 536px;
  padding-block: calc(var(--unit) * 6);
}

.detail-copy {
  display: flex;
  grid-column: 1 / 7;
  flex-direction: column;
  align-items: flex-start;
  gap: calc(var(--unit) * 2);
}

.detail-copy h1 {
  font-size: 64px;
  line-height: 0.98;
}

.detail-question {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.65;
}

.edition-meta {
  min-height: 24px;
  margin: calc(var(--unit) * 2) 0 0;
  color: var(--muted);
  font-size: 13px;
}

.detail-hero-media {
  display: grid;
  grid-column: 8 / 13;
  justify-items: center;
}

.detail-hero-media .gallery-page,
.detail-hero-media .paper-placeholder {
  width: min(100%, 360px);
}

.detail-toolbar {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: end;
  padding-block: calc(var(--unit) * 4);
  border-top: 1px solid var(--line);
}

.detail-toolbar > div:first-child {
  grid-column: 1 / 5;
}

.language-tabs {
  display: flex;
  grid-column: 6 / 13;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--unit);
}

.language-tab {
  min-height: 40px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}

.language-tab.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.language-tab:disabled,
.language-chip.is-pending {
  color: var(--muted);
  opacity: 0.48;
  cursor: not-allowed;
}

.detail-body {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--grid-gap);
  align-items: start;
  padding-block: calc(var(--unit) * 4);
  border-top: 1px solid var(--line);
}

.source-panel {
  position: sticky;
  top: 88px;
  grid-column: 1 / 4;
  padding: calc(var(--unit) * 3);
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: rgba(255, 255, 255, 0.86);
}

.detail-source-meta {
  grid-template-columns: 76px minmax(0, 1fr);
  margin-bottom: calc(var(--unit) * 3);
}

.correction-contact {
  margin: 0 0 calc(var(--unit) * 2);
  padding-top: calc(var(--unit) * 2);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.page-gallery {
  display: grid;
  grid-column: 4 / 13;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--grid-gap);
}

.gallery-page {
  display: grid;
  gap: var(--unit);
  margin: 0;
}

.page-open-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.gallery-page img {
  display: block;
  width: 100%;
  aspect-ratio: 5 / 7;
  border: 1px solid var(--line-strong);
  border-radius: var(--card-radius);
  background: var(--surface);
  object-fit: cover;
  object-position: top center;
  filter: saturate(0.05) contrast(1.03);
}

.gallery-page.is-openable .page-open-button:hover img,
.gallery-page.is-openable .page-open-button:focus-visible img {
  border-color: var(--ink);
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

.gallery-page figcaption {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.page-viewer[hidden] {
  display: none;
}

.page-viewer {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) 88px;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: calc(var(--unit) * 2);
  padding: calc(var(--unit) * 3);
  background:
    linear-gradient(90deg, rgba(23, 23, 23, 0.032) 1px, transparent 1px) 0 0 / 32px 32px,
    rgba(247, 247, 243, 0.98);
  color: var(--ink);
}

.viewer-bar {
  display: flex;
  grid-column: 1 / 4;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--unit) * 2);
  min-width: 0;
  padding-bottom: calc(var(--unit) * 2);
  border-bottom: 1px solid var(--line);
}

.viewer-bar .eyebrow {
  margin-bottom: var(--unit);
}

.viewer-bar h2 {
  max-width: min(720px, 70vw);
  overflow: hidden;
  font-size: 24px;
  line-height: 1.08;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-button,
.viewer-nav,
.viewer-dot {
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.viewer-button:hover,
.viewer-nav:hover,
.viewer-dot:hover,
.viewer-dot.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--surface);
}

.viewer-button {
  flex: 0 0 auto;
  min-height: 40px;
  padding: 9px 13px;
}

.viewer-nav {
  align-self: center;
  width: 72px;
  min-height: 72px;
  font-size: 14px;
}

.viewer-nav:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.viewer-nav:disabled:hover {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.viewer-nav-prev {
  grid-column: 1;
  grid-row: 2;
}

.viewer-nav-next {
  grid-column: 3;
  grid-row: 2;
}

.viewer-stage {
  display: grid;
  grid-column: 2;
  grid-row: 2;
  place-items: center;
  align-content: center;
  gap: var(--unit);
  min-width: 0;
  min-height: 0;
  margin: 0;
}

.viewer-stage img {
  display: block;
  width: auto;
  max-width: min(100%, calc((100vh - 184px) * 5 / 7));
  height: auto;
  max-height: calc(100vh - 184px);
  border: 1px solid var(--line-strong);
  border-radius: var(--card-radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  cursor: pointer;
  object-fit: contain;
}

.viewer-stage figcaption {
  min-height: 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.viewer-footer {
  display: grid;
  grid-column: 1 / 4;
  grid-template-columns: auto minmax(0, 1fr);
  gap: calc(var(--unit) * 2);
  align-items: center;
  padding-top: calc(var(--unit) * 2);
  border-top: 1px solid var(--line);
}

#viewerCount {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.viewer-dots {
  display: flex;
  justify-content: flex-end;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.viewer-dot {
  flex: 0 0 auto;
  min-width: 30px;
  min-height: 30px;
  padding: 4px 8px;
  font-size: 12px;
}

@media (max-width: 980px) {
  .intro-band,
  .featured-work,
  .policy-band,
  .detail-hero,
  .detail-toolbar,
  .detail-body {
    grid-template-columns: 1fr;
  }

  .intro-copy,
  .intro-metrics,
  .featured-copy,
  .featured-preview,
  .policy-band > div,
  .policy-band > p,
  .detail-copy,
  .detail-hero-media,
  .detail-toolbar > div:first-child,
  .language-tabs,
  .source-panel,
  .page-gallery {
    grid-column: auto;
  }

  .source-panel {
    position: static;
  }

  .page-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .archive-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-heading {
    grid-template-columns: 1fr;
    row-gap: calc(var(--unit) * 2);
  }

  .section-heading > .eyebrow,
  .section-heading > h2,
  .archive-heading > div:first-child,
  .topic-filters {
    grid-column: auto;
  }

  .section-heading > h2 {
    text-align: left;
  }

  .topic-filters {
    justify-content: flex-start;
  }

  .language-tabs {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .site-header {
    position: static;
    grid-template-columns: 1fr;
    row-gap: calc(var(--unit) * 2);
    padding: calc(var(--unit) * 2);
  }

  .brand,
  .nav-links {
    grid-column: auto;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .intro-band,
  .featured-section,
  .archive-section,
  .policy-band,
  .detail-hero,
  .detail-toolbar,
  .detail-body {
    width: calc(100% - 28px);
  }

  .intro-band {
    min-height: auto;
    padding-block: 40px 32px;
  }

  h1 {
    font-size: 48px;
    line-height: 0.94;
  }

  h2 {
    font-size: 26px;
  }

  .detail-hero {
    min-height: auto;
    padding-block: calc(var(--unit) * 5) calc(var(--unit) * 4);
    row-gap: calc(var(--unit) * 4);
  }

  .detail-copy h1 {
    font-size: 42px;
    line-height: 1;
  }

  .detail-hero-media {
    order: -1;
  }

  .detail-hero-media .gallery-page,
  .detail-hero-media .paper-placeholder {
    width: min(78vw, 300px);
  }

  .page-gallery {
    grid-template-columns: 1fr;
  }

  .featured-work {
    padding: calc(var(--unit) * 2);
    row-gap: calc(var(--unit) * 3);
  }

  .featured-copy {
    order: 2;
  }

  .featured-preview {
    display: flex;
    order: 1;
    overflow-x: auto;
    padding-bottom: var(--unit);
    scroll-snap-type: x mandatory;
  }

  .featured-preview .paper-image-frame {
    flex: 0 0 68%;
    scroll-snap-align: start;
  }

  .featured-preview .paper-image-frame:first-child {
    transform: none;
  }

  .archive-grid {
    grid-template-columns: 1fr;
  }

  .page-viewer {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: calc(var(--unit) * 1.5);
    padding: calc(var(--unit) * 1.75);
  }

  .viewer-bar,
  .viewer-stage,
  .viewer-footer {
    grid-column: 1 / 3;
  }

  .viewer-bar {
    align-items: flex-start;
  }

  .viewer-bar h2 {
    max-width: 62vw;
    font-size: 18px;
  }

  .viewer-stage {
    grid-row: 2;
  }

  .viewer-stage img {
    max-width: min(100%, calc((100svh - 238px) * 5 / 7));
    max-height: calc(100svh - 238px);
  }

  .viewer-nav {
    grid-row: 3;
    width: 100%;
    min-height: 44px;
  }

  .viewer-nav-prev {
    grid-column: 1;
  }

  .viewer-nav-next {
    grid-column: 2;
  }

  .viewer-footer {
    grid-row: 4;
    grid-template-columns: 1fr;
  }

  .viewer-dots {
    justify-content: flex-start;
  }
}