/* Hallmark · genre: modern-minimal · macrostructure: Workbench · theme: studied-DNA
 * nav: N9 Edge-aligned minimal · footer: Ft5 Statement · enrichment: supplied card artwork
 * audience: mobile and desktop card-news readers · use: read one fitted card at a time · tone: austere
 * source: existing Cheongrae Pro design system · studied: yes · DNA-source: owned project
 * audit: contrast pass (40–41) · slop pass (42–45) · honest pass (46) · chrome pass (47)
 * tokens pass (48) · responsive pass (49) · icons pass (30) · mobile pass (34, 49, 50–57)
 */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
  text-rendering: optimizeLegibility;
}

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

button,
select {
  color: inherit;
  font: inherit;
}

button,
select,
a {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
}

h1,
h2,
h3,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  min-width: 0;
  overflow-wrap: anywhere;
  font-family: var(--font-display);
  font-style: normal;
}

::selection {
  background: var(--color-accent-soft);
  color: var(--color-ink);
}

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 3px;
}

:where(button, a, select):active {
  transform: translateY(1px);
}

:where(button, select):disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: calc(var(--z-modal) + 1);
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  min-height: 44px;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-weight: 800;
  white-space: nowrap;
  transform: translateY(-150%);
  transition: transform var(--dur-short) var(--ease-out);
}

.skip-link:focus {
  transform: translateY(0);
}

.cn-nav {
  position: fixed;
  z-index: var(--z-sticky);
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-height);
  padding-inline: max(var(--space-md), env(safe-area-inset-left)) max(var(--space-md), env(safe-area-inset-right));
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: color-mix(in oklch, var(--color-paper) 94%, transparent);
  color: var(--color-ink);
  backdrop-filter: saturate(150%) blur(18px);
}

.cn-wordmark,
.cn-nav__action {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
}

.cn-wordmark {
  gap: var(--space-xs);
  font-size: var(--text-md);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.cn-wordmark strong {
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

.cn-nav__action {
  padding-inline: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-round);
  font-size: var(--text-sm);
  font-weight: 800;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.cn-nav__action:active {
  transform: translateY(1px);
}

.reader-app {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding-block-start: var(--nav-height);
  background: var(--color-paper);
  color: var(--color-ink);
}

.reader-panel {
  order: 2;
  display: grid;
  gap: var(--space-xl);
  padding: var(--space-2xl) var(--page-gutter);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
  color: var(--color-ink);
}

.reader-panel__count {
  margin-block-end: var(--space-lg);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.reader-panel h1 {
  max-width: 9ch;
  font-size: clamp(2.75rem, 12vw, 4.5rem);
  font-weight: 900;
  letter-spacing: -0.07em;
  line-height: 0.98;
}

.reader-panel h1 + p {
  max-width: 34rem;
  margin-block-start: var(--space-lg);
  color: var(--color-ink-soft);
  font-size: var(--text-md);
  line-height: 1.72;
}

.series-list {
  display: grid;
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.series-list button {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  align-items: center;
  min-height: 64px;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border: 0;
  border-block-end: var(--rule-hair) solid var(--color-rule);
  background: transparent;
  color: var(--color-ink);
  text-align: start;
  cursor: pointer;
}

.series-list button span,
.series-list button small {
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.series-list button strong {
  min-width: 0;
  overflow: hidden;
  font-size: var(--text-base);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.series-list button[aria-pressed="true"] strong,
.series-list button[aria-pressed="true"] span {
  color: var(--color-accent);
}

.series-list button:active {
  transform: translateY(1px);
}

.reader-panel__link {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 44px;
  border-block-end: 2px solid var(--color-ink);
  font-weight: 800;
  white-space: nowrap;
}

.viewer-panel {
  order: 1;
  position: relative;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  height: calc(100svh - var(--nav-height));
  min-height: 28rem;
  min-width: 0;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.viewer-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  gap: var(--space-sm);
  min-height: 64px;
  padding: var(--space-sm) var(--space-md);
  border-block-end: var(--rule-hair) solid var(--color-dark-rule);
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.viewer-topline__copy {
  min-width: 0;
  display: grid;
  gap: var(--space-3xs);
}

.viewer-topline__copy span {
  color: var(--color-on-dark-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.viewer-topline__copy strong {
  display: block;
  min-width: 0;
  overflow: hidden;
  font-size: var(--text-sm);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-topline__tools {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: var(--space-xs);
}

.series-select-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
}

.viewer-topline select,
.fit-button {
  min-height: 44px;
  border: var(--rule-hair) solid var(--color-dark-rule);
  border-radius: var(--radius-round);
  background: var(--color-dark-raised);
  color: var(--color-on-dark);
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.fit-button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.viewer-topline select {
  max-width: 7.5rem;
  padding-inline: var(--space-sm) var(--space-lg);
}

.fit-button {
  padding-inline: var(--space-sm);
}

.viewer-canvas {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.viewer-figure {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: grid;
  place-items: center;
  padding: var(--space-xs) calc(44px + var(--space-xs));
}

.viewer-figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  object-fit: contain;
  object-position: center;
  user-select: none;
  touch-action: pan-y pinch-zoom;
  animation: card-change var(--dur-short) var(--ease-out);
}

@keyframes card-change {
  from {
    opacity: 0.58;
    transform: translateX(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.viewer-arrow {
  position: absolute;
  z-index: var(--z-raised);
  inset-block-start: 50%;
  width: 44px;
  height: 52px;
  display: grid;
  place-items: center;
  border: var(--rule-hair) solid var(--color-dark-rule);
  border-radius: var(--radius-round);
  background: var(--color-dark-raised);
  color: var(--color-on-dark);
  font-size: var(--text-lg);
  cursor: pointer;
  transform: translateY(-50%);
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}

.viewer-arrow--previous {
  inset-inline-start: var(--space-xs);
}

.viewer-arrow--next {
  inset-inline-end: var(--space-xs);
}

.viewer-arrow:active {
  transform: translateY(calc(-50% + 1px));
}

.viewer-arrow:disabled {
  opacity: 0.28;
  cursor: not-allowed;
}

.viewer-controls {
  padding: 0 var(--space-md) max(var(--space-sm), env(safe-area-inset-bottom));
  border-block-start: var(--rule-hair) solid var(--color-dark-rule);
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.viewer-progress {
  height: 2px;
  overflow: hidden;
  background: var(--color-dark-rule);
}

.viewer-progress span {
  display: block;
  width: calc(100% / 24);
  height: 100%;
  background: var(--color-accent);
  transform-origin: left center;
  transition: transform var(--dur-short) var(--ease-in-out);
}

.viewer-controls__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-sm);
  min-height: 66px;
  padding-block-start: var(--space-xs);
}

.viewer-position {
  display: flex;
  align-items: baseline;
  gap: var(--space-2xs);
  color: var(--color-on-dark-muted);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.viewer-position strong {
  color: var(--color-on-dark);
  font-size: var(--text-lg);
}

.viewer-description {
  min-width: 0;
  display: -webkit-box;
  overflow: hidden;
  color: var(--color-on-dark-muted);
  font-size: var(--text-xs);
  line-height: 1.45;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.viewer-controls__row a {
  display: none;
  min-height: 44px;
  align-items: center;
  border-block-end: var(--rule-hair) solid var(--color-on-dark-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.viewer-panel:fullscreen {
  width: 100%;
  height: 100%;
  min-height: 100%;
}

.all-cards,
.sources {
  padding: var(--space-3xl) var(--page-gutter);
  background: var(--color-paper);
  color: var(--color-ink);
}

.section-head {
  display: grid;
  gap: var(--space-md);
  max-width: var(--content-max);
  margin-inline: auto;
  margin-block-end: var(--space-xl);
}

.section-head h2,
.sources h2 {
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.05em;
  line-height: 1.08;
}

.section-head > p,
.sources > div > p {
  max-width: var(--reading-max);
  color: var(--color-ink-soft);
  font-size: var(--text-md);
}

.all-cards__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-sm);
  max-width: var(--content-max);
  margin-inline: auto;
}

.all-cards__grid button {
  min-width: 0;
  padding: 0;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  text-align: start;
  cursor: pointer;
  overflow: hidden;
}

.all-cards__grid img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1122 / 1402;
  object-fit: cover;
}

.all-cards__grid span {
  display: block;
  padding: var(--space-sm);
  color: var(--color-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.all-cards__grid button[aria-current="true"] {
  border-color: var(--color-accent);
}

.interview {
  padding: var(--space-3xl) var(--page-gutter);
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.section-head--dark > p {
  color: var(--color-on-dark-muted);
}

.interview-list {
  display: grid;
  gap: var(--rule-hair);
  max-width: var(--content-max);
  margin-inline: auto;
  border: var(--rule-hair) solid var(--color-dark-rule);
  background: var(--color-dark-rule);
}

.interview-list article {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background: var(--color-dark-raised);
  color: var(--color-on-dark);
}

.interview-list article > p {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
}

.interview-list article > p span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.interview-list h3 {
  margin-block-start: var(--space-lg);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.3;
}

.interview-list article > div {
  margin-block-start: var(--space-md);
  color: var(--color-on-dark-muted);
  line-height: 1.78;
}

.interview-list small {
  margin-block-start: auto;
  padding-block-start: var(--space-lg);
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.interview-note {
  display: grid;
  gap: var(--space-sm);
  max-width: var(--content-max);
  margin: var(--space-lg) auto 0;
  padding: var(--space-lg);
  border: var(--rule-hair) solid var(--color-dark-rule);
  background: var(--color-dark);
  color: var(--color-on-dark);
}

.interview-note p {
  color: var(--color-on-dark-muted);
  font-size: var(--text-sm);
}

.sources {
  display: grid;
  gap: var(--space-xl);
  max-width: var(--content-max);
  margin-inline: auto;
}

.sources nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.sources nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding-inline: var(--space-md);
  border: var(--rule-hair) solid var(--color-rule-strong);
  border-radius: var(--radius-round);
  font-size: var(--text-sm);
  font-weight: 800;
  white-space: nowrap;
  transition: background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.sources nav a:first-child {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.sources nav a:active {
  transform: translateY(1px);
}

.cn-footer {
  display: grid;
  gap: var(--space-xl);
  padding: var(--space-3xl) var(--page-gutter) calc(var(--space-xl) + env(safe-area-inset-bottom));
  border-block-start: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
  color: var(--color-ink);
}

.cn-footer > p {
  max-width: 18ch;
  font-size: var(--text-2xl);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.cn-footer > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block-start: var(--space-md);
  border-block-start: var(--rule-hair) solid var(--color-rule);
}

.cn-footer strong,
.cn-footer a {
  font-size: var(--text-sm);
  white-space: nowrap;
}

.cn-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-weight: 800;
}

@media (hover: hover) and (pointer: fine) {
  .cn-nav__action:hover,
  .sources nav a:not(:first-child):hover {
    background: var(--color-ink);
    color: var(--color-paper);
  }

  .series-list button:hover {
    color: var(--color-accent);
  }

  .viewer-arrow:hover:not(:disabled),
  .fit-button:hover,
  .viewer-topline select:hover {
    background: var(--color-on-dark);
    color: var(--color-dark);
  }

  .all-cards__grid button:hover {
    border-color: var(--color-accent);
  }

  .sources nav a:first-child:hover {
    background: var(--color-accent-hover);
  }
}

@media (min-width: 40rem) {
  .cn-nav {
    padding-inline: var(--page-gutter);
  }

  .viewer-topline {
    padding-inline: var(--space-lg);
  }

  .viewer-figure {
    padding: var(--space-sm) calc(52px + var(--space-lg));
  }

  .viewer-arrow--previous {
    inset-inline-start: var(--space-lg);
  }

  .viewer-arrow--next {
    inset-inline-end: var(--space-lg);
  }

  .viewer-controls {
    padding-inline: var(--space-lg);
  }

  .viewer-controls__row a {
    display: inline-flex;
  }

  .all-cards__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-md);
  }

  .section-head {
    grid-template-columns: minmax(0, 0.85fr) minmax(18rem, 1.15fr);
    align-items: end;
  }

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

  .interview-list article {
    min-height: 26rem;
  }

  .interview-note {
    grid-template-columns: minmax(10rem, 0.28fr) minmax(0, 1fr);
  }
}

@media (min-width: 60rem) {
  .reader-app {
    display: grid;
    grid-template-columns: minmax(20rem, 28rem) minmax(0, 1fr);
    height: 100svh;
    min-height: 42rem;
  }

  .reader-panel,
  .viewer-panel {
    order: initial;
    height: calc(100svh - var(--nav-height));
    min-height: 38rem;
  }

  .reader-panel {
    align-content: space-between;
    overflow-y: auto;
    padding: clamp(var(--space-xl), 5svh, var(--space-2xl)) var(--space-xl);
    border-inline-end: var(--rule-hair) solid var(--color-rule);
    border-block-end: 0;
  }

  .reader-panel h1 {
    font-size: clamp(3rem, 4.6vw, 4.9rem);
  }

  .viewer-topline {
    min-height: 72px;
  }

  .viewer-figure {
    padding: var(--space-md) calc(56px + var(--space-xl));
  }

  .viewer-arrow {
    width: 48px;
    height: 64px;
  }

  .viewer-arrow--previous {
    inset-inline-start: var(--space-xl);
  }

  .viewer-arrow--next {
    inset-inline-end: var(--space-xl);
  }

  .viewer-controls__row {
    min-height: 76px;
  }

  .viewer-description {
    font-size: var(--text-sm);
  }

  .all-cards,
  .interview {
    padding-block: var(--space-4xl);
  }

  .all-cards__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-lg);
  }

  .sources {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding-block: var(--space-3xl);
  }
}

@media (min-width: 90rem) {
  .reader-app {
    grid-template-columns: minmax(24rem, 31rem) minmax(0, 1fr);
  }

  .reader-panel {
    padding-inline: var(--space-2xl);
  }

  .all-cards__grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (pointer: coarse) {
  .cn-nav__action,
  .viewer-topline select,
  .fit-button,
  .viewer-arrow,
  .series-list button,
  .sources nav a,
  .cn-footer a {
    min-height: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }

  .viewer-figure img {
    transform: none;
  }
}