:root {
  color-scheme: light;
  --bg: oklch(0.975 0.015 85);
  --paper: oklch(0.988 0.008 85);
  --paper-strong: oklch(0.956 0.02 80);
  --ink: oklch(0.24 0.028 250);
  --ink-soft: oklch(0.41 0.022 248);
  --ink-faint: oklch(0.62 0.02 245);
  --line: color-mix(in oklch, var(--ink) 12%, white 88%);
  --shadow: 0 24px 64px color-mix(in oklch, var(--ink) 14%, transparent);
  --radius-xl: 32px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --space-lg: clamp(1.5rem, 1rem + 1vw, 2.4rem);
  --space-xl: clamp(2rem, 1rem + 2vw, 4rem);
  --space-2xl: clamp(3rem, 2rem + 3vw, 6rem);
  --content: min(1220px, calc(100vw - 2rem));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 12%, color-mix(in oklch, oklch(0.9 0.05 58) 55%, transparent) 0, transparent 30%),
    radial-gradient(circle at 85% 8%, color-mix(in oklch, oklch(0.89 0.05 195) 60%, transparent) 0, transparent 30%),
    linear-gradient(180deg, color-mix(in oklch, var(--bg) 92%, oklch(0.92 0.012 72) 8%), var(--bg));
  color: var(--ink);
  font-family: "Noto Sans SC", "PingFang SC", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(color-mix(in oklch, var(--ink) 4%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in oklch, var(--ink) 4%, transparent) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.04));
  pointer-events: none;
}

button,
input {
  font: inherit;
}

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

.page-shell {
  position: relative;
  overflow: clip;
}

.ambient {
  position: absolute;
  inset: auto;
  width: 32rem;
  height: 32rem;
  border-radius: 999px;
  filter: blur(54px);
  opacity: 0.35;
  pointer-events: none;
}

.ambient-a {
  top: 14rem;
  left: -8rem;
  background: color-mix(in oklch, oklch(0.86 0.08 42) 55%, transparent);
}

.ambient-b {
  top: 38rem;
  right: -12rem;
  background: color-mix(in oklch, oklch(0.86 0.08 205) 55%, transparent);
}

.hero,
.section {
  width: var(--content);
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(22rem, 0.95fr);
  gap: clamp(2rem, 3vw, 4rem);
  padding: clamp(2rem, 4vw, 5rem) 0 clamp(3rem, 6vw, 7rem);
  align-items: center;
}

.eyebrow,
.section-kicker,
.filter-title,
.column-head span,
.orbit-caption span {
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.hero h1,
.section h2 {
  margin: 0;
  font-family: "Noto Serif SC", "Songti SC", serif;
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 0.94;
}

.hero h1 {
  font-size: clamp(3.25rem, 10vw, 7rem);
  max-width: 8ch;
}

.hero-lead {
  max-width: 40rem;
  margin: 1.4rem 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 0.9rem + 0.4vw, 1.18rem);
  line-height: 1.8;
}

.hero-statline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.7rem;
}

.hero-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--paper) 78%, white 22%);
  border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
  box-shadow: 0 14px 38px color-mix(in oklch, var(--ink) 8%, transparent);
}

.hero-stat strong {
  font-family: "Fraunces", serif;
  font-size: 1.32rem;
  font-weight: 700;
}

.hero-stat span {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2rem;
}

.hero-link {
  padding: 0.88rem 1.35rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  transition: transform 240ms cubic-bezier(0.2, 0.9, 0.2, 1), box-shadow 240ms ease;
  box-shadow: 0 18px 34px color-mix(in oklch, var(--ink) 25%, transparent);
}

.hero-link:hover,
.hero-link:focus-visible {
  transform: translateY(-2px);
}

.hero-link-muted {
  background: transparent;
  color: var(--ink);
  border: 1px solid color-mix(in oklch, var(--ink) 16%, transparent);
  box-shadow: none;
}

.hero-visual {
  position: relative;
}

.orbit-panel {
  position: relative;
  min-height: 38rem;
  padding: 1.2rem;
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, color-mix(in oklch, var(--paper) 70%, white 30%), color-mix(in oklch, var(--paper-strong) 88%, white 12%));
  border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
  box-shadow: var(--shadow);
}

.orbit-caption {
  position: absolute;
  z-index: 2;
  top: 1.4rem;
  left: 1.5rem;
  display: grid;
  gap: 0.3rem;
}

.orbit-caption strong {
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
}

#orbit-chart {
  width: 100%;
  height: 100%;
  display: block;
}

.section {
  padding: 0 0 var(--space-2xl);
}

.section-head {
  display: grid;
  gap: 0.65rem;
  margin-bottom: 1.5rem;
}

.section h2 {
  font-size: clamp(2rem, 3vw, 3.25rem);
  max-width: 11ch;
}

.category-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}

.category-column,
.catalog-controls,
.catalog-list,
.detail-panel,
.spectrum {
  background: color-mix(in oklch, var(--paper) 84%, white 16%);
  border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
  box-shadow: var(--shadow);
  border-radius: var(--radius-xl);
}

.category-column {
  padding: 1.2rem;
}

.column-head {
  display: grid;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.column-head strong {
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
}

.category-ribbon {
  display: grid;
  gap: 0.8rem;
}

.ribbon-item {
  display: grid;
  grid-template-columns: 0.9rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-top: 1px solid color-mix(in oklch, var(--ink) 9%, transparent);
}

.ribbon-item:first-child {
  border-top: 0;
  padding-top: 0.2rem;
}

.ribbon-dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 999px;
  margin-top: 0.25rem;
  box-shadow: 0 0 0 0.24rem color-mix(in oklch, var(--ribbon-color) 14%, transparent);
  background: var(--ribbon-color);
}

.ribbon-main {
  display: grid;
  gap: 0.35rem;
}

.ribbon-title {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: baseline;
}

.ribbon-title strong {
  font-size: 1.08rem;
}

.ribbon-title span {
  color: var(--ink-faint);
  font-size: 0.88rem;
}

.ribbon-main p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.7;
}

.ribbon-count {
  font-family: "Fraunces", serif;
  font-size: 1.8rem;
}

.spectrum {
  padding: 1.2rem;
  display: grid;
  gap: 0.85rem;
}

.spectrum-row {
  display: grid;
  grid-template-columns: minmax(10rem, 16rem) minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.spectrum-row button {
  all: unset;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: center;
}

.spectrum-row button:focus-visible {
  outline: 2px solid color-mix(in oklch, var(--row-color) 48%, white 52%);
  outline-offset: 6px;
  border-radius: 16px;
}

.spectrum-dot {
  width: 0.86rem;
  height: 0.86rem;
  border-radius: 999px;
  background: var(--row-color);
  box-shadow: 0 0 0 0.26rem color-mix(in oklch, var(--row-color) 16%, transparent);
}

.spectrum-track {
  position: relative;
  height: 0.95rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--ink) 7%, white 93%);
  overflow: hidden;
}

.spectrum-fill {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, color-mix(in oklch, var(--row-color) 82%, white 18%), color-mix(in oklch, var(--row-color) 62%, white 38%));
  animation: grow-bar 900ms cubic-bezier(0.22, 1, 0.36, 1) forwards;
  transform-origin: left center;
}

.spectrum-label strong {
  display: block;
  font-size: 1rem;
}

.spectrum-label span {
  color: var(--ink-faint);
  font-size: 0.88rem;
}

.spectrum-value {
  font-family: "Fraunces", serif;
  font-size: 1.15rem;
}

.catalog-head {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.catalog-counter {
  margin: 0;
  color: var(--ink-soft);
}

.catalog-controls {
  padding: 1.2rem;
  display: grid;
  gap: 1rem;
}

.search-shell {
  display: grid;
  gap: 0.5rem;
}

.search-shell span {
  color: var(--ink-faint);
  font-size: 0.9rem;
}

.search-shell input {
  width: 100%;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in oklch, var(--ink) 12%, transparent);
  background: color-mix(in oklch, white 80%, var(--paper) 20%);
  color: var(--ink);
}

.search-shell input:focus-visible {
  outline: 2px solid color-mix(in oklch, var(--ink) 18%, white 82%);
  outline-offset: 3px;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.filter-chip {
  border: 1px solid color-mix(in oklch, var(--ink) 12%, transparent);
  background: white;
  color: var(--ink-soft);
  padding: 0.6rem 0.9rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.filter-chip:hover,
.filter-chip:focus-visible {
  transform: translateY(-1px);
}

.filter-chip.active {
  color: var(--ink);
  background: color-mix(in oklch, var(--chip-color, var(--ink)) 12%, white 88%);
  border-color: color-mix(in oklch, var(--chip-color, var(--ink)) 30%, white 70%);
}

.catalog-layout {
  margin-top: 1.2rem;
}

.catalog-list {
  overflow: hidden;
}

.pagination-shell {
  margin-top: 1rem;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.2rem;
  background: color-mix(in oklch, var(--paper) 84%, white 16%);
  border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
  box-shadow: var(--shadow);
  border-radius: var(--radius-xl);
}

.pagination-summary {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.94rem;
}

.pagination-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.pagination-button {
  border: 1px solid color-mix(in oklch, var(--ink) 12%, transparent);
  background: white;
  color: var(--ink);
  padding: 0.62rem 0.92rem;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.pagination-button:hover,
.pagination-button:focus-visible {
  transform: translateY(-1px);
}

.pagination-button.active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.pagination-button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.pagination-gap {
  color: var(--ink-faint);
  padding: 0 0.1rem;
}

.entry-row {
  border-top: 1px solid color-mix(in oklch, var(--ink) 9%, transparent);
}

.entry-row:first-child {
  border-top: 0;
}

.entry-hitbox {
  all: unset;
  display: block;
  width: 100%;
  cursor: pointer;
  padding: 0;
}

.entry-hitbox:focus-visible {
  outline: 2px solid color-mix(in oklch, var(--entry-color) 40%, white 60%);
  outline-offset: -2px;
}

.entry-hitbox.active {
  background: color-mix(in oklch, var(--entry-color) 10%, white 90%);
}

.entry-hitbox:hover {
  background: color-mix(in oklch, var(--entry-color) 6%, white 94%);
}

.entry-hitbox {
  display: grid;
  grid-template-columns: 0.55rem minmax(0, 1fr);
  gap: 1rem;
  align-items: stretch;
}

.entry-accent {
  background: var(--entry-color);
}

.entry-main {
  padding: 1rem 1.1rem 1rem 0;
  display: grid;
  gap: 0.4rem;
}

.entry-topline {
  display: flex;
  gap: 0.8rem;
  justify-content: space-between;
  align-items: baseline;
}

.entry-title {
  font-size: 1rem;
  line-height: 1.45;
}

.entry-confidence {
  color: var(--ink-faint);
  font-size: 0.86rem;
  flex: none;
}

.entry-meta {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.75;
}

.entry-category {
  font-weight: 700;
}

.detail-panel {
  padding: 1.3rem;
  min-height: 24rem;
}

.detail-modal {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  background: color-mix(in oklch, var(--ink) 34%, transparent);
  backdrop-filter: blur(10px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 220ms ease;
}

.detail-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.detail-modal-backdrop {
  display: none;
}

.detail-modal-card {
  position: relative;
  z-index: 1;
  width: min(760px, calc(100vw - 1.4rem));
  max-height: min(86vh, 920px);
  overflow: auto;
  background: color-mix(in oklch, var(--paper) 92%, white 8%);
  border: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
  box-shadow: 0 36px 96px color-mix(in oklch, var(--ink) 26%, transparent);
  border-radius: clamp(20px, 4vw, 30px);
}

.detail-modal-close {
  position: sticky;
  top: 1rem;
  margin: 1rem 1rem 0 auto;
  display: block;
  border: 1px solid color-mix(in oklch, var(--ink) 12%, transparent);
  background: color-mix(in oklch, white 78%, var(--paper) 22%);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 0.58rem 0.92rem;
  z-index: 2;
  cursor: pointer;
}

.detail-empty {
  color: var(--ink-soft);
  line-height: 1.8;
}

.detail-top {
  display: grid;
  gap: 0.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
}

.detail-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.detail-category {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ink-soft);
}

.detail-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 999px;
  background: var(--detail-color);
}

.detail-title {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: clamp(1.5rem, 2vw, 2.2rem);
  line-height: 1.2;
}

.detail-confidence {
  color: var(--ink-faint);
}

.detail-section {
  padding: 1rem 0 0;
}

.detail-label {
  margin: 0 0 0.55rem;
  color: var(--ink-faint);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-text {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.9;
}

.anchor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.anchor-pill {
  padding: 0.55rem 0.75rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--detail-color) 11%, white 89%);
  color: color-mix(in oklch, var(--detail-color) 65%, var(--ink) 35%);
  border: 1px solid color-mix(in oklch, var(--detail-color) 18%, white 82%);
}

.detail-footer {
  margin-top: 1.3rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in oklch, var(--ink) 10%, transparent);
  color: var(--ink-faint);
  font-size: 0.88rem;
}

.empty-state {
  padding: 2rem 1.2rem;
  color: var(--ink-soft);
  line-height: 1.8;
}

body.modal-open {
  overflow: hidden;
}

@keyframes grow-bar {
  from {
    width: 0;
  }
  to {
    width: var(--bar-width);
  }
}

@media (max-width: 980px) {
  .hero,
  .category-columns {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 1.4rem;
  }

  .orbit-panel {
    min-height: 28rem;
  }

  .catalog-head {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --content: calc(100vw - 1.1rem);
  }

  body::before {
    background-size: 22px 22px;
  }

  .hero h1 {
    max-width: none;
  }

  .orbit-panel {
    min-height: 22rem;
    padding: 0.8rem;
  }

  .spectrum-row {
    grid-template-columns: 1fr;
  }

  .spectrum-value {
    justify-self: start;
    padding-left: 1.8rem;
  }

  .entry-topline {
    flex-direction: column;
    align-items: start;
  }

  .pagination {
    padding: 0.9rem;
  }

  .detail-modal {
    padding: 0.6rem;
  }

  .detail-modal-card {
    width: calc(100vw - 0.8rem);
    max-height: calc(100vh - 1rem);
  }
}

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

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