@font-face {
  font-family: "Manrope";
  src: url("/assets/fonts/manrope-var.woff2") format("woff2-variations");
  font-weight: 400 800;
  font-display: swap;
}

:root {
  --bg: #fffbf3;
  --bg-alt: #f4f7fb;
  --surface: #ffffff;
  --surface-muted: #fff7ea;
  --ink: #1d2433;
  --muted: #667085;
  --line: #eae2d6;
  --primary: #ff5a5f;
  --primary-strong: #c9373d;
  --primary-ink: #ffffff;
  --teal: #16c2a3;
  --blue: #4d8dff;
  --yellow: #ffc857;
  --purple: #a66cff;
  --green: #3dd68c;
  --orange: #ff8a3d;
  --pink: #ff7db0;
  --cyan: #00b8d9;
  --amber: #f2b705;
  --radius: 12px;
  --radius-card: 20px;
  --radius-pill: 999px;
  --container: 1200px;
  --font-sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans", "Malgun Gothic", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

[data-theme="dark"] {
  --bg: #141824;
  --bg-alt: #1b2130;
  --surface: #1f2636;
  --surface-muted: #242c3d;
  --ink: #f2f5fa;
  --muted: #a6b0c2;
  --line: #2c3444;
  --primary: #ff7a7e;
  --primary-strong: #ff9a9e;
  --primary-ink: #1b2130;
  --teal: #31d9bc;
  --blue: #6ea5ff;
  --yellow: #ffd57a;
  --purple: #b98cff;
  --green: #5ee6a6;
  --orange: #ffa05f;
  --pink: #ff9ac4;
  --cyan: #31cbe8;
  --amber: #ffd15c;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::selection {
  background: color-mix(in srgb, var(--primary) 25%, transparent);
}

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

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

button {
  cursor: pointer;
}

svg {
  display: block;
}

.icon {
  flex: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--bg);
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 12px;
}

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

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.nav-shell {
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex: none;
}

.brand-mark {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  width: 26px;
  height: 26px;
  padding: 4px;
  border-radius: 9px;
  background: var(--primary);
}

.brand-mark span {
  display: block;
  width: 4px;
  border-radius: 3px;
  background: var(--primary-ink);
}

.brand-mark span:nth-child(1) {
  height: 9px;
}

.brand-mark span:nth-child(2) {
  height: 14px;
}

.brand-mark span:nth-child(3) {
  height: 19px;
}

.brand-name {
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  transition: color 0.15s ease, background 0.15s ease;
}

.nav-link:hover {
  color: var(--ink);
  background: var(--surface-muted);
}

.nav-link.is-active {
  color: var(--ink);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown summary {
  list-style: none;
}

.nav-dropdown summary::-webkit-details-marker,
.lang-menu summary::-webkit-details-marker {
  display: none;
}

.nav-dropdown summary .chev {
  transition: transform 0.15s ease;
}

.nav-dropdown[open] summary .chev {
  transform: rotate(180deg);
}

.nav-dropdown-panel,
.lang-panel {
  position: absolute;
  top: calc(100% + 10px);
  right: 0;
  min-width: 220px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--surface);
  z-index: 30;
}

.nav-dropdown-panel {
  left: 0;
  right: auto;
}

.nav-dropdown-panel a,
.lang-panel a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: 10px;
  font-size: 14px;
  color: var(--muted);
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-dropdown-panel a:hover,
.lang-panel a:hover {
  background: var(--surface-muted);
  color: var(--ink);
}

.lang-panel a.is-current {
  color: var(--ink);
  font-weight: 700;
}

.lang-panel a span {
  margin-left: auto;
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
}

.cat-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cat-color, var(--primary));
  flex: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 10px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--muted);
  transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.icon-button:hover {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line);
}

.lang-menu {
  position: relative;
}

.lang-summary {
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
}

.lang-current {
  display: none;
}

.theme-icon-dark {
  display: none;
}

[data-theme="dark"] .theme-icon-light {
  display: none;
}

[data-theme="dark"] .theme-icon-dark {
  display: block;
}

.nav-toggle {
  display: none;
}

/* Typography */

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.25rem);
  line-height: 1.03;
  letter-spacing: -0.04em;
  font-weight: 800;
}

h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin-bottom: 10px;
}

h3 {
  font-size: 18px;
  line-height: 1.3;
  letter-spacing: -0.015em;
  font-weight: 800;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 800;
  color: var(--primary-strong);
}

.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.text-button {
  padding: 6px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.text-button:hover {
  background: var(--surface-muted);
  color: var(--ink);
}

/* Hero */

.hero {
  padding: 76px 0 48px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: 56px;
  align-items: center;
}

.hero-copy h1 {
  max-width: 12ch;
  margin-bottom: 20px;
}

.hero-subtitle {
  max-width: 52ch;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 18px;
}

.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 62px;
  padding: 8px 8px 8px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  transition: border-color 0.15s ease;
}

.search-form:focus-within {
  border-color: var(--primary);
}

.search-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  flex: none;
}

.search-form input,
.search-field input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: none;
  background: transparent;
  font-size: 15px;
}

.search-form input::placeholder,
.search-field input::placeholder {
  color: color-mix(in srgb, var(--muted) 78%, transparent);
}

.search-submit {
  flex: none;
  height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: 10px;
  background: var(--primary-strong);
  color: var(--primary-ink);
  font-size: 12px;
  font-weight: 800;
}

.search-form button {
  height: 46px;
  padding: 0 22px;
  border: 0;
  border-radius: 13px;
  background: var(--primary-strong);
  color: var(--primary-ink);
  font-size: 14px;
  font-weight: 800;
  transition: background 0.15s ease, transform 0.15s ease;
}

.search-form button:hover {
  background: color-mix(in srgb, var(--primary-strong) 82%, var(--ink));
}

.search-form button:active {
  transform: scale(0.98);
}

.hero-search {
  max-width: 620px;
}

.quick-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}

.chip:hover {
  border-color: var(--primary);
  color: var(--ink);
}

.chip-cream {
  background: color-mix(in srgb, var(--yellow) 12%, var(--surface));
}

.chip-cream:hover {
  background: color-mix(in srgb, var(--yellow) 22%, var(--surface));
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.stat-pill {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
}

.stat-pill strong {
  font-size: 16px;
  font-weight: 800;
}

.stat-pill span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.stat-pill-wide strong {
  font-size: 14px;
}

.hero-art {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 360px;
}

.hero-art svg {
  width: min(100%, 460px);
  height: auto;
}

.art-label {
  position: absolute;
  right: 8px;
  bottom: 6px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

/* Sections */

.section {
  padding: 64px 0;
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-heading h2 {
  max-width: 32ch;
  margin-bottom: 0;
}

.chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.85fr);
  gap: 20px;
}

.chart-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.chart-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.chart-card-head h3 {
  margin-bottom: 2px;
}

.chart-card-head p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.chart-badge {
  flex: none;
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--teal) 14%, var(--surface));
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.chart-wrap {
  position: relative;
  height: 280px;
}

.chart-wrap canvas {
  display: none;
  width: 100% !important;
  height: 100% !important;
}

.chart-wrap-ranking {
  height: 300px;
}

.chart-table {
  margin-top: 14px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.chart-table summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.chart-table table {
  width: 100%;
  margin-top: 8px;
  border-collapse: collapse;
  font-size: 12px;
}

.chart-table th,
.chart-table td {
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.chart-table th:last-child,
.chart-table td:last-child {
  text-align: right;
}

.ranking-list {
  display: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ranking-list li + li {
  border-top: 1px dashed var(--line);
}

.ranking-list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
}

.rank-index {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.rank-name {
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rank-weight {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

/* Category grid */

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 178px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.category-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: var(--cat-color);
}

.category-card:hover {
  border-color: var(--cat-color);
  transform: translateY(-3px);
}

.cat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--cat-color) 14%, var(--surface));
  color: color-mix(in srgb, var(--cat-color) 78%, var(--ink));
  flex: none;
}

.cat-icon-large {
  width: 48px;
  height: 48px;
  border-radius: 15px;
}

.category-card h3 {
  margin: 4px 0 2px;
}

.category-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.cat-sample {
  margin-top: auto;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.cat-arrow {
  position: absolute;
  right: 18px;
  bottom: 18px;
  color: var(--cat-color);
  opacity: 0.75;
  transition: transform 0.18s ease;
}

.category-card:hover .cat-arrow {
  transform: translateX(3px);
}

/* Method */

.method-section {
  padding-bottom: 96px;
}

.method-head {
  max-width: 640px;
  margin-bottom: 24px;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.method-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.method-index {
  position: absolute;
  top: 18px;
  right: 20px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.method-card h3 {
  margin: 18px 0 6px;
}

.method-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

/* Page hero */

.page-hero {
  padding: 60px 32px 26px;
}

.page-hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
  margin-bottom: 10px;
}

.page-hero p {
  max-width: 60ch;
  margin-bottom: 0;
  color: var(--muted);
}

.page-hero-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.hero-mini-stat {
  flex: none;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

/* Browse */

.browse-section {
  padding-bottom: 88px;
}

.filter-panel {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.search-field {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-alt);
}

.search-field:focus-within {
  border-color: var(--primary);
}

.filter-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-top: 16px;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.cat-chip {
  background: color-mix(in srgb, var(--cat-color, var(--line)) 8%, var(--surface));
  cursor: pointer;
}

.cat-chip:focus-within {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.cat-chip.is-active {
  border-color: color-mix(in srgb, var(--cat-color, var(--primary)) 72%, var(--ink));
  background: color-mix(in srgb, var(--cat-color, var(--primary)) 72%, var(--ink));
  color: var(--primary-ink);
}

.cat-chip.is-active .cat-dot {
  background: var(--primary-ink);
}

.filter-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.segmented {
  display: inline-flex;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--bg-alt);
}

.unit-btn {
  min-width: 48px;
  height: 30px;
  border: 0;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.unit-btn.is-active {
  background: var(--surface);
  color: var(--ink);
}

.sort-field {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.sort-field select {
  height: 36px;
  padding: 0 28px 0 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.range-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.range-row > label {
  flex: none;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.range-slider {
  position: relative;
  display: flex;
  flex: 1;
  align-items: center;
  gap: 12px;
  min-width: 160px;
}

.range-slider input[type="range"] {
  width: 100%;
  height: 6px;
  border-radius: 6px;
  outline: none;
  background: color-mix(in srgb, var(--primary) 18%, var(--line));
  -webkit-appearance: none;
  appearance: none;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--primary);
  -webkit-appearance: none;
  appearance: none;
  cursor: grab;
}

.range-slider input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--primary);
  cursor: grab;
}

#range-output {
  flex: none;
  min-width: 150px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
}

.filter-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
}

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

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
}

.pagination-pages {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
}

.pagination-link:hover {
  border-color: var(--primary);
}

.pagination-link.is-current {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--primary-ink);
}

.pagination-link.is-disabled {
  opacity: 0.4;
  pointer-events: none;
}

.pagination-gap {
  color: var(--muted);
  font-weight: 800;
}

.results-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 2px 8px;
}

.item-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.item-card {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  overflow: hidden;
  content-visibility: auto;
  contain-intrinsic-size: auto 220px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.item-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: var(--cat-color);
}

.item-card:hover {
  border-color: var(--cat-color);
  transform: translateY(-3px);
}

.item-card-link {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 18px 20px 20px;
}

.item-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.cat-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  max-width: 100%;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.cat-badge .cat-icon {
  width: 28px;
  height: 28px;
  border-radius: 9px;
}

.item-arrow {
  color: var(--cat-color);
  opacity: 0.7;
  transition: transform 0.18s ease;
}

.item-card:hover .item-arrow {
  transform: translateX(3px);
}

.item-name {
  margin: 14px 0 8px;
  font-size: 19px;
}

.item-weight {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.weight-primary {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.weight-secondary {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.item-desc {
  display: -webkit-box;
  margin: 12px 0 14px;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  max-width: 480px;
  margin: 48px auto;
  padding: 40px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius-card);
  text-align: center;
}

.empty-state[hidden] {
  display: none;
}

.empty-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: color-mix(in srgb, var(--primary) 10%, var(--surface));
  color: var(--primary);
}

.empty-state h2 {
  margin: 8px 0 0;
  font-size: 20px;
}

.empty-state p {
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 13px;
}

/* Buttons */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.button:active {
  transform: scale(0.98);
}

.button-primary {
  background: var(--primary-strong);
  color: var(--primary-ink);
}

.button-primary:hover {
  background: color-mix(in srgb, var(--primary-strong) 82%, var(--ink));
}

.button-ghost {
  border-color: var(--line);
  background: var(--surface);
  color: var(--ink);
}

.button-ghost:hover {
  border-color: var(--primary);
}

/* Item detail */

.item-page {
  padding-top: 32px;
  padding-bottom: 88px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 26px;
  margin: 0 0 22px -6px;
  padding: 3px 6px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.back-link:hover {
  color: var(--ink);
}

.item-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 20px;
}

.weight-panel {
  position: relative;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background:
    color-mix(in srgb, var(--cat-color) 8%, var(--surface));
}

.weight-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  border-radius: 26px 26px 0 0;
  background: var(--cat-color);
}

.item-id {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.02em;
}

.weight-panel h1 {
  margin: 16px 0 4px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.item-aliases {
  margin-bottom: 24px;
  color: var(--muted);
  font-size: 13px;
}

.alias-chips {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 4px 0 22px;
}

.alias-label {
  margin-right: 2px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.alias-chip {
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--surface);
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.weight-quickfacts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

.weight-quickfacts > span {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 92px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.weight-quickfacts strong {
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.weight-quickfacts small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

/* Item detail cards */

.detail-card {
  margin-top: 20px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.detail-head {
  margin-bottom: 18px;
}

.detail-head h2 {
  margin-bottom: 0;
  font-size: 20px;
}

.detail-head-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--line);
  overflow: hidden;
}

.detail-fact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--surface);
}

.detail-fact > span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.detail-fact strong,
.detail-fact a {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
}

.detail-fact a:hover {
  color: var(--primary-strong);
}

.detail-fact code {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
}

.weight-detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.weight-detail {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px;
  border-radius: 12px;
  background: var(--bg-alt);
}

.weight-detail span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.weight-detail strong {
  font-size: 16px;
  font-variant-numeric: tabular-nums;
}

.source-reference {
  margin-top: 14px;
  padding: 12px 16px;
  border-left: 4px solid var(--cat-color);
  border-radius: 0 10px 10px 0;
  background: var(--bg-alt);
}

.source-reference span {
  color: var(--muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.source-reference p {
  margin: 4px 0 0;
  font-size: 13px;
}

.conversion-title {
  margin: 22px 0 8px;
  font-size: 14px;
}

.conversion-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.conversion-table tr {
  border-bottom: 1px dashed var(--line);
}

.conversion-table tr:last-child {
  border-bottom: 0;
}

.conversion-table td {
  padding: 9px 0;
}

.conversion-table td:first-child {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.conversion-table td:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.detail-source-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.detail-source-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.detail-source-row > div {
  flex: 1;
  min-width: 0;
}

.detail-source-row > div a {
  display: block;
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-source-row > div a:hover {
  color: var(--primary-strong);
}

.detail-source-row .button {
  display: inline-flex;
  flex: none;
  white-space: nowrap;
}

.detail-source-meta {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.related-group h3 {
  margin-bottom: 8px;
  font-size: 13px;
}

.related-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.related-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.related-links a:hover {
  color: var(--primary-strong);
}

.related-links a span {
  color: var(--ink);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.related-empty {
  color: var(--muted);
  font-size: 12px;
}

.weight-hero {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 16px 0 12px;
}

.weight-hero .js-weight {
  font-size: clamp(2.7rem, 6vw, 4.4rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.weight-hero-secondary {
  color: var(--muted);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.weight-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 6px 0 24px;
}

.meta-pill {
  padding: 5px 10px;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--cat-color) 14%, var(--surface));
  color: color-mix(in srgb, var(--cat-color) 70%, var(--ink));
  font-size: 11px;
  font-weight: 800;
}

.meta-pill-muted {
  background: var(--surface);
  color: var(--muted);
}

.unit-switch-row {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.unit-switch-row > span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.weight-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.item-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-section {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.info-section h2 {
  font-size: 20px;
}

.info-body {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.nearby-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.nearby-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(80px, 1.2fr) 120px;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.nearby-row:last-child {
  border-bottom: 0;
}

.nearby-name {
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nearby-track {
  height: 8px;
  border-radius: 8px;
  background: var(--bg-alt);
  overflow: hidden;
}

.nearby-bar {
  display: block;
  height: 100%;
  border-radius: 8px;
  background: var(--cat-color);
}

.nearby-weight {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.source-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 13px;
  background: color-mix(in srgb, var(--blue) 14%, var(--surface));
  color: var(--blue);
  flex: none;
}

/* Enriched item detail */

.detail-subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
}

.weight-range {
  margin: 2px 0 18px;
}

.weight-range-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px 10px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.weight-range-typical {
  color: color-mix(in srgb, var(--cat-color) 72%, var(--ink));
  font-weight: 800;
}

.weight-range-track {
  position: relative;
  height: 7px;
  margin-top: 7px;
  border-radius: 8px;
  background: var(--bg-alt);
  overflow: visible;
}

.weight-range-fill {
  position: absolute;
  inset: 0;
  border-radius: 8px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--cat-color) 24%, var(--bg-alt)),
    color-mix(in srgb, var(--cat-color) 68%, var(--bg-alt))
  );
}

.weight-range-dot {
  position: absolute;
  top: 50%;
  width: 13px;
  height: 13px;
  border: 3px solid var(--surface);
  border-radius: 50%;
  background: var(--cat-color);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--cat-color) 50%, var(--line));
  transform: translate(-50%, -50%);
}

.category-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.category-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--bg-alt);
}

.category-stat strong {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.category-stat small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 700;
}

.weight-ladder {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ladder-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, 1.5fr) 120px;
  gap: 12px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: var(--ink);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.ladder-row:hover {
  border-color: var(--line);
  background: var(--bg-alt);
}

.ladder-row.is-self {
  border-color: color-mix(in srgb, var(--cat-color) 40%, var(--line));
  background: color-mix(in srgb, var(--cat-color) 8%, var(--surface));
}

.ladder-name {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ladder-name em {
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  background: var(--cat-color);
  color: #ffffff;
  font-size: 9px;
  font-style: normal;
  font-weight: 800;
  flex: none;
}

.ladder-track {
  height: 8px;
  border-radius: 8px;
  background: var(--bg-alt);
  overflow: hidden;
}

.ladder-bar {
  display: block;
  height: 100%;
  border-radius: 8px;
  background: var(--cat-color);
  opacity: 0.85;
}

.ladder-row.is-self .ladder-bar {
  opacity: 1;
}

.ladder-weight {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.same-article {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--line);
}

.same-article h3 {
  margin-bottom: 0;
  font-size: 14px;
}

.article-links {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
}

.article-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
}

.article-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cat-color);
  flex: none;
}

.article-chip strong {
  color: var(--muted);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.article-chip:hover {
  border-color: color-mix(in srgb, var(--cat-color) 55%, var(--line));
  background: color-mix(in srgb, var(--cat-color) 6%, var(--surface));
}

.faq-list {
  display: flex;
  flex-direction: column;
}

.faq-item {
  border-bottom: 1px dashed var(--line);
}

.faq-item:last-child {
  border-bottom: 0;
}

.faq-item summary {
  padding: 12px 0;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  color: var(--muted);
  font-size: 18px;
  font-weight: 700;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-item p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 13px;
}

.dataset-note {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 11px;
}

/* Category page */

.category-hero {
  padding-top: 32px;
  padding-bottom: 0;
}

.category-hero-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: color-mix(in srgb, var(--cat-color) 10%, var(--surface));
}

.category-hero-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--cat-color);
  color: #ffffff;
  flex: none;
}

.category-hero h1 {
  margin-bottom: 4px;
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
}

.category-hero-meta {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

.category-hero .button {
  margin-left: auto;
  flex: none;
}

.category-lists {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-top: 0;
}

.mini-list-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.mini-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mini-list li + li {
  border-top: 1px dashed var(--line);
}

.mini-list a {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 10px 0;
}

.mini-index {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
}

.mini-name {
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mini-weight {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

/* Compare */

.compare-section {
  padding-bottom: 88px;
}

.compare-picker {
  position: relative;
  max-width: 620px;
}

.compare-search-field {
  background: var(--surface);
}

.compare-suggestions {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 20;
  max-height: 280px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  overflow-y: auto;
}

.compare-suggestions[hidden] {
  display: none;
}

.suggestion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  text-align: left;
}

.suggestion:hover {
  background: var(--surface-muted);
}

.suggestion-name {
  font-size: 13px;
  font-weight: 700;
}

.suggestion-meta {
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.selected-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 20px;
}

.selected-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px 7px 13px;
  border: 1px solid color-mix(in srgb, var(--cat-color) 30%, var(--line));
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--cat-color) 10%, var(--surface));
  font-size: 13px;
  font-weight: 700;
}

.selected-chip button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
}

.selected-chip button:hover {
  background: var(--surface);
  color: var(--ink);
}

.compare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
  gap: 20px;
}

.chart-wrap-compare {
  height: 340px;
}

.compare-fallback {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 8px 0;
}

.compare-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(80px, 1.6fr) 120px;
  gap: 12px;
  align-items: center;
}

.compare-name {
  overflow: hidden;
  font-size: 13px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.compare-track {
  height: 14px;
  border-radius: 8px;
  background: var(--bg-alt);
  overflow: hidden;
}

.compare-bar {
  display: block;
  height: 100%;
  border-radius: 8px;
  background: var(--cat-color);
}

.compare-weight {
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  text-align: right;
  white-space: nowrap;
}

.ratio-card {
  display: flex;
  flex-direction: column;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.ratio-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ratio-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
}

.ratio-line:last-child {
  border-bottom: 0;
}

.ratio-line strong {
  font-size: 15px;
  font-variant-numeric: tabular-nums;
}

.ratio-note {
  margin-top: auto;
  padding-top: 14px;
  color: var(--muted);
  font-size: 11px;
}

.share-button {
  margin-top: 16px;
  width: 100%;
}

.compare-empty {
  margin-top: 32px;
}

/* About */

.about-hero {
  padding-bottom: 36px;
}

.about-intro {
  max-width: 70ch;
  margin-top: 12px;
  color: var(--muted);
  font-size: 17px;
}

.about-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 32px;
}

.about-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.about-card h2 {
  margin: 16px 0 8px;
  font-size: 20px;
}

.about-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.source-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 88px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: color-mix(in srgb, var(--teal) 8%, var(--surface));
}

.source-banner h2 {
  margin-bottom: 4px;
  font-size: 22px;
}

.source-banner p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

/* 404 */

.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  max-width: 680px;
  padding-top: 96px;
  padding-bottom: 120px;
  text-align: center;
}

.not-found-code {
  color: var(--primary);
  font-size: clamp(5rem, 16vw, 9rem);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.9;
}

.not-found h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
}

.not-found p {
  margin-bottom: 10px;
  color: var(--muted);
}

.not-found .search-form {
  width: 100%;
  max-width: 560px;
}

.not-found .quick-chips {
  justify-content: center;
  margin-top: 0;
}

.not-found .button {
  margin-top: 8px;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-alt);
  padding: 40px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 0.7fr 1.3fr;
  gap: 32px;
  align-items: start;
}

.footer-brand {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

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

.footer-brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-note p {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.footer-meta {
  color: var(--muted);
  font-size: 11px;
}

/* Breadcrumbs */

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  max-width: var(--container);
  margin: 0 auto;
  padding: 22px 32px 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.breadcrumbs a {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  margin: 0 -5px;
  padding: 3px 5px;
  border-radius: 6px;
}

.breadcrumbs a:hover {
  color: var(--primary);
}

.breadcrumbs span[aria-current="page"] {
  color: var(--ink);
}

.crumb-sep {
  color: color-mix(in srgb, var(--muted) 55%, transparent);
}

/* Guides */

.section-subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 48px;
}

.guide-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.guide-card:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
}

.guide-index {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.guide-card h2 {
  margin: 0 0 8px;
  font-size: 22px;
}

.guide-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.guide-meta {
  grid-column: 2;
  color: var(--muted);
  font-size: 11px;
}

.guide-card .text-link {
  grid-column: 2;
  margin-top: 8px;
}

.guide-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.guide-mini {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.guide-mini:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
}

.guide-mini h3 {
  margin: 0;
  font-size: 18px;
}

.guide-mini p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.guide-page {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.38fr);
  gap: 20px;
  padding-top: 30px;
  padding-bottom: 88px;
}

.guide-article {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--surface);
}

.guide-article h1 {
  margin: 8px 0 12px;
  font-size: clamp(2rem, 4vw, 3.2rem);
}

.guide-lede {
  max-width: 65ch;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 17px;
}

.guide-updated {
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
  font-size: 11px;
}

.guide-body p {
  margin: 0 0 18px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.85;
}

.guide-aside {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.aside-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.aside-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.aside-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.aside-links a:last-child {
  border-bottom: 0;
}

.aside-links a:hover {
  color: var(--primary);
}

/* Collections */

.collection-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-bottom: 48px;
}

.collection-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.collection-card:hover {
  border-color: var(--cat-color);
  transform: translateY(-3px);
}

.collection-kicker {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
}

.collection-card h2,
.collection-card h3 {
  margin: 0;
  font-size: 20px;
}

.collection-card p {
  flex: 1;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.collection-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.collection-stats span {
  padding: 4px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-alt);
}

.collection-card .text-link {
  margin-top: 4px;
}

.collection-grid-home {
  padding-bottom: 0;
}

.collection-hero {
  padding-bottom: 24px;
}

.collection-span {
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
}

/* Category intros and FAQ */

.category-intro {
  padding-bottom: 8px;
}

.category-intro > p {
  max-width: 78ch;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 14px;
}

.category-intro-links,
.about-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.faq-section {
  padding-top: 0;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  padding: 14px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
}

.faq-item summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 800;
}

.faq-item p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* About stats */

.about-stats {
  margin-top: 18px;
}

/* Charts and JS state */

.chart-wrap.is-ready canvas {
  display: block;
}

.chart-wrap.is-ready ~ .ranking-list {
  display: none;
}

.ranking-list.is-fallback {
  display: block;
}

/* Responsive */

@media (max-width: 1040px) {
  .nav-links {
    gap: 0;
  }

  .nav-link {
    padding: 8px 9px;
    font-size: 13px;
  }

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

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

@media (max-width: 900px) {
  .nav-links {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 12px 20px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--bg);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-link {
    padding: 11px 12px;
    font-size: 14px;
  }

  .nav-dropdown-panel {
    position: static;
    min-width: 0;
    margin: 2px 0 6px;
    border: 0;
    background: transparent;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .lang-current {
    display: none;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-copy h1 {
    max-width: 14ch;
  }

  .hero-art {
    min-height: 280px;
    order: -1;
  }

  .hero-art svg {
    width: min(100%, 380px);
  }

  .chart-grid,
  .compare-grid,
  .item-detail-grid {
    grid-template-columns: 1fr;
  }

  .method-grid,
  .category-lists,
  .guide-grid,
  .guide-strip,
  .guide-page {
    grid-template-columns: 1fr;
  }

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

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

  .ladder-row {
    grid-template-columns: minmax(0, 1fr) minmax(60px, 0.9fr) 112px;
    gap: 8px;
  }

  .nearby-row {
    grid-template-columns: minmax(0, 1fr) minmax(48px, 1.2fr) 112px;
    gap: 8px;
  }

  .article-chip {
    flex: 1 1 calc(50% - 7px);
  }

  .weight-range-head {
    font-size: 9px;
  }

  .detail-source-row {
    align-items: flex-start;
  }

  .filter-row {
    flex-direction: column;
  }

  .filter-controls {
    width: 100%;
    justify-content: space-between;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .source-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  .breadcrumbs {
    padding: 16px 20px 0;
  }

  .guide-article {
    padding: 22px;
  }

  .collection-grid,
  .collection-grid-home,
  .detail-grid {
    grid-template-columns: 1fr;
  }

  .detail-card {
    padding: 18px;
  }

  .detail-source-row .button {
    min-height: 38px;
    padding: 0 12px;
  }

  .nav-shell {
    min-height: 68px;
  }

  .brand-name {
    font-size: 16px;
  }

  .nav-links {
    top: 68px;
  }

  .hero {
    padding: 40px 0 32px;
  }

  .hero-copy h1 {
    font-size: 2.35rem;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-art {
    min-height: 220px;
  }

  .hero-art svg {
    width: min(92%, 300px);
  }

  .art-label {
    right: 0;
    bottom: 0;
  }

  .search-form {
    min-height: 56px;
  }

  .search-form button {
    height: 42px;
    padding: 0 16px;
  }

  .section {
    padding: 40px 0;
  }

  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .category-grid,
  .item-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    min-height: 150px;
  }

  .chart-card {
    padding: 18px;
  }

  .chart-wrap,
  .chart-wrap-ranking {
    height: 230px;
  }

  .page-hero {
    padding: 40px 20px 18px;
  }

  .page-hero-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .filter-panel {
    padding: 14px;
  }

  .range-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .range-slider {
    width: 100%;
  }

  #range-output {
    min-width: 0;
    text-align: left;
  }

  .item-card-link {
    padding: 16px 18px 18px;
  }

  .weight-panel {
    padding: 22px;
  }

  .weight-hero .js-weight {
    font-size: 2.7rem;
  }

  .category-hero-inner {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 22px;
  }

  .category-hero .button {
    margin-left: 0;
  }

  .compare-grid {
    gap: 14px;
  }

  .chart-wrap-compare {
    height: 260px;
  }

  .compare-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 6px;
  }

  .compare-track {
    grid-column: span 2;
    grid-row: 2;
  }

  .footer-grid {
    gap: 18px;
  }

  .not-found {
    padding-top: 60px;
    padding-bottom: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}