:root {
  --bg: #fafafa;
  --surface: #ffffff;
  --surface-sub: #f4f4f5;
  --text: #18181b;
  --text-secondary: #52525b;
  --text-muted: #71717a;
  --border: #e4e4e7;
  --border-strong: #d4d4d8;
  --accent: #0f172a;
  --accent-brand: #0284c7;
  --accent-bg: #f0f9ff;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

button, input, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button {
  cursor: pointer;
}

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

:focus-visible {
  outline: 2px solid var(--accent-brand);
  outline-offset: 2px;
}

/* Header */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 24px;
}

.header-inner {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-wrap {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.brand-name {
  font-weight: 600;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--text);
}

.brand-divider {
  color: var(--border-strong);
}

.page-title {
  font-size: 15px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* Layout Shell */
.layout-shell {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  align-items: start;
}

/* Sidebar (Desktop) */
#group-sidebar {
  position: sticky;
  top: 0;
  max-height: 100dvh;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--bg);
  padding: 20px 16px 32px;
  scrollbar-width: thin;
}

.sidebar-header {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
  padding: 0 8px;
}

.sidebar-search-wrap {
  margin-bottom: 16px;
}

#group-search {
  width: 100%;
  height: 36px;
  padding: 0 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
}

#group-search:focus {
  border-color: var(--accent-brand);
  outline: none;
}

.group-heading {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 14px 8px 6px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.group-heading:first-child {
  border-top: none;
  margin-top: 0;
  padding-top: 4px;
}

.group-item {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 4px;
  text-align: left;
  font-size: 14px;
  line-height: 1.4;
  color: var(--text-secondary);
  border-left: 2px solid transparent;
  transition: background-color 0.1s;
}

.group-item:hover {
  background-color: var(--surface-sub);
  color: var(--text);
}

.group-item.active,
.group-item[aria-current="true"] {
  background-color: var(--surface);
  color: var(--text);
  font-weight: 600;
  border-left-color: var(--accent-brand);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.group-item [data-field="group-name"] {
  min-width: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.group-item [data-field="group-count"] {
  flex-shrink: 0;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text-muted);
  padding-top: 1px;
}

/* Mobile Group Switcher */
.mobile-group-bar {
  display: none;
}

/* Main Rate Sheet Area */
.main-content {
  min-width: 0;
  padding: 24px 32px 64px;
  background: var(--surface);
  min-height: calc(100dvh - 52px);
}

/* Current Group Banner */
.group-banner {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--text);
  margin-bottom: 20px;
}

.group-banner-top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.group-context-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-brand);
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}

#current-group {
  font-size: 24px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  word-break: break-word;
}

#group-note {
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-secondary);
}

.group-explainer {
  margin-top: 10px;
  font-size: 14px;
}

.group-explainer summary {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-strong);
}

.group-explainer summary:hover {
  color: var(--text);
}

.group-explainer-body {
  margin-top: 8px;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

/* Filter & Search Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.category-tabs {
  display: flex;
  align-items: center;
  gap: 20px;
}

.cat-tab {
  padding: 6px 2px;
  font-size: 15px;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -13px;
}

.cat-tab:hover {
  color: var(--text);
}

.cat-tab.active,
.cat-tab[aria-pressed="true"] {
  color: var(--text);
  font-weight: 600;
  border-bottom-color: var(--text);
}

.search-toolbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  justify-content: flex-end;
  min-width: 240px;
}

.search-box {
  position: relative;
  width: min(280px, 100%);
}

#search {
  width: 100%;
  height: 36px;
  padding: 0 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 14px;
}

#search:focus {
  background: var(--surface);
  border-color: var(--accent-brand);
  outline: none;
}

#result-count {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* Model Rate Sheet Grid (2 Columns on Desktop) */
#model-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.model-card {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
  background: var(--surface);
  min-width: 0;
}

.model-card-main {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  min-width: 0;
}

.model-info {
  min-width: 0;
  flex: 1;
}

.model-name {
  display: block;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.model-specs {
  display: block;
  margin-top: 6px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.4;
  word-break: break-word;
}

.model-pricing {
  text-align: right;
  flex-shrink: 0;
  max-width: 48%;
  min-width: 0;
}

.model-price-val {
  display: block;
  font-size: 21px;
  font-weight: 600;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  line-height: 1.25;
  color: var(--text);
  word-break: break-word;
}

.model-price-unit {
  display: block;
  margin-top: 3px;
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.3;
  word-break: break-word;
}

.model-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--border);
  font-size: 14px;
}

.btn-details {
  font-weight: 500;
  color: var(--text);
  padding: 4px 10px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--surface);
  font-size: 13px;
}

.btn-details:hover {
  background: var(--surface-sub);
}

.btn-compare {
  color: var(--text-secondary);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 2px;
}

.btn-compare:hover {
  color: var(--accent-brand);
}

.btn-compare::after {
  content: "→";
  font-family: var(--font-sans);
}

/* Empty State & Cross Group Search */
#empty-state {
  padding: 40px 24px;
  border: 1px solid var(--border);
  background: var(--bg);
  text-align: center;
}

#empty-message {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.empty-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-secondary,
.btn-primary {
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
}

.btn-secondary {
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
}

#cross-results {
  margin-top: 24px;
  text-align: left;
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 10px;
}

.cross-result {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  text-align: left;
  width: 100%;
}

.cross-result:hover {
  border-color: var(--accent-brand);
}

.cross-result strong {
  font-size: 14px;
  color: var(--text);
  word-break: break-word;
}

.cross-result span {
  font-size: 13px;
  color: var(--text-secondary);
  word-break: break-word;
}

/* Load More */
.load-more-wrap {
  margin-top: 24px;
  text-align: center;
}

#load-more {
  padding: 10px 28px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

#load-more:hover {
  background: var(--surface-sub);
}

/* Details & Comparison Dialog */
dialog#details {
  width: min(680px, calc(100vw - 32px));
  max-height: 85dvh;
  overflow: auto;
  margin: auto;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface);
  color: var(--text);
  padding: 0;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

dialog#details::backdrop {
  background: rgba(24, 24, 27, 0.45);
}

.dialog-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--surface);
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.dialog-title-group {
  min-width: 0;
}

#detail-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 1.3;
  word-break: break-word;
}

.dialog-group-context {
  margin-top: 4px;
  font-size: 13px;
  color: var(--text-secondary);
}

.dialog-group-context strong {
  color: var(--text);
  font-weight: 600;
}

#close-details {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

#close-details:hover {
  background: var(--surface-sub);
  color: var(--text);
}

.dialog-body {
  padding: 20px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.spec-selectors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.field-group select {
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  background: var(--surface);
  font-size: 14px;
  width: 100%;
}

.detail-rate-box {
  padding: 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.detail-rate-label {
  font-size: 14px;
  color: var(--text-secondary);
}

.detail-rate-value {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}

#detail-price {
  font-size: 24px;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--text);
}

#detail-unit {
  font-size: 14px;
  color: var(--text-secondary);
}

.api-code-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.api-code-wrap {
  min-width: 0;
  flex: 1;
}

.api-code-label {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 2px;
}

#detail-code {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text);
  word-break: break-all;
}

#copy-model {
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  background: var(--surface);
  flex-shrink: 0;
}

#copy-model:hover {
  background: var(--surface-sub);
}

.dialog-accordion {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.dialog-accordion summary {
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
  color: var(--text);
}

#detail-breakdown {
  margin-top: 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

#detail-breakdown table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 6px;
}

#detail-breakdown th,
#detail-breakdown td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  word-break: break-word;
}

#detail-breakdown th {
  color: var(--text-muted);
  font-weight: 500;
  background: var(--bg);
}

#detail-breakdown p {
  margin-bottom: 8px;
}

.compare-hint {
  margin: 6px 0 12px;
  font-size: 13px;
  color: var(--text-muted);
}

#comparison-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border);
}

.comparison-row {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}

.comparison-row > div {
  min-width: 0;
   display: flex;
  flex-direction: column;
  gap: 2px;
}

.comparison-row strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.comparison-row small {
  font-size: 12px;
  color: var(--text-muted);
  word-break: break-word;
}

.comparison-price {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.compare-switch {
  padding: 6px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  font-size: 13px;
  font-weight: 500;
  background: var(--surface);
  white-space: nowrap;
}

.compare-switch:hover:not(:disabled) {
  border-color: var(--accent-brand);
  color: var(--accent-brand);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  background: var(--bg);
}

/* Toast */
#toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 100;
  background: var(--text);
  color: #ffffff;
  padding: 10px 16px;
  border-radius: 4px;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Responsive: Tablet & Mobile */
@media (max-width: 960px) {
  .layout-shell {
    grid-template-columns: 1fr;
  }

  #group-sidebar {
    display: none;
  }

  .site-header {
    height: 44px;
    padding: 0 16px;
  }

  .mobile-group-bar {
    display: block;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
  }

  .mobile-group-field {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .mobile-group-field label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
  }

  #group-select {
    flex: 1;
    min-width: 0;
    height: 36px;
    padding: 0 10px;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
  }

  .main-content {
    padding: 14px 16px 48px;
  }

  .group-banner {
    padding-bottom: 12px;
    margin-bottom: 12px;
  }

  .group-context-label {
    font-size: 11px;
    margin-bottom: 2px;
  }

  #current-group {
    font-size: 19px;
  }

  #group-note {
    margin-top: 4px;
    font-size: 13px;
  }

  .group-explainer {
    margin-top: 6px;
  }

  .toolbar {
    gap: 10px;
    margin-bottom: 12px;
    padding-bottom: 10px;
  }

  .category-tabs {
    width: 100%;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 6px;
  }

  .cat-tab {
    margin-bottom: -7px;
    font-size: 14px;
  }

  .search-toolbar-right {
    width: 100%;
    justify-content: space-between;
  }

  .search-box {
    flex: 1;
    width: auto;
  }

  #model-list {
    grid-template-columns: 1fr;
  }

  .model-card {
    padding: 14px;
    gap: 12px;
  }

  .model-name {
    font-size: 17px;
  }

  .model-price-val {
    font-size: 19px;
  }
}

@media (max-width: 560px) {
  .comparison-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 12px 0;
  }

  .compare-switch {
    justify-self: start;
  }

  .dialog-header,
  .dialog-body {
    padding-left: 16px;
    padding-right: 16px;
  }
}

:root {
  --bg: #f7f7fb;
  --surface: #ffffff;
  --surface-sub: #f1eff8;
  --text: #181622;
  --text-secondary: #534f63;
  --text-muted: #78738a;
  --border: #e5e3ef;
  --border-strong: #cfcbe0;
  --accent: #231f33;
  --accent-brand: #7c56e6;
  --accent-bg: #f4f0ff;
  --anime-violet-soft: #ede8fc;
  --anime-violet-line: #d7cef5;
  --anime-violet-deep: #5e3dc4;
  --anime-coral: #f0766b;
  --anime-silver: #f9f8fd;
}

body {
  background-color: var(--bg);
  background-image: radial-gradient(circle at 85% 0%, rgba(124, 86, 230, 0.045) 0%, transparent 45%);
}

/* Top Header & Brand Ornament */
.site-header {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(124, 86, 230, 0.04);
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.anime-brand-gem {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  pointer-events: none;
  user-select: none;
}

.anime-brand-gem svg {
  width: 20px;
  height: 20px;
  display: block;
}

.brand-name {
  color: var(--text);
  font-weight: 600;
}

.page-title {
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* Sidebar Subtle Anime Studio Styling */
#group-sidebar {
  background: linear-gradient(180deg, #f9f8fc 0%, #f4f3f9 100%);
  border-right: 1px solid var(--border);
}

.sidebar-header {
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.sidebar-header::before {
  content: "✦";
  color: var(--accent-brand);
  font-size: 11px;
}

#group-search {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

#group-search:focus {
  border-color: var(--accent-brand);
  box-shadow: 0 0 0 3px rgba(124, 86, 230, 0.12);
}

.group-heading {
  color: var(--text-muted);
  border-top-color: var(--border);
}

.group-item {
  border-radius: 6px;
  border-left: 3px solid transparent;
  padding: 8px 10px;
}

.group-item:hover {
  background-color: var(--surface-sub);
  color: var(--text);
}

.group-item.active,
.group-item[aria-current="true"] {
  background: linear-gradient(90deg, var(--accent-bg) 0%, #ffffff 95%);
  color: var(--anime-violet-deep);
  border-left-color: var(--accent-brand);
  box-shadow: 0 1px 3px rgba(94, 61, 196, 0.08);
}

.group-item.active [data-field="group-count"],
.group-item[aria-current="true"] [data-field="group-count"] {
  color: var(--accent-brand);
  font-weight: 600;
}

/* Main Content Shell */
.main-content {
  background: var(--surface);
  box-shadow: -1px 0 0 var(--border);
}

/* Group Banner with Integrated Mascot Stage */
.group-banner {
  position: relative;
  overflow: hidden;
  padding: 24px 260px 22px 26px;
  margin-bottom: 22px;
  border-radius: 10px;
  border: 1px solid var(--anime-violet-line);
  border-bottom: 2px solid var(--accent);
  background: linear-gradient(125deg, #ffffff 0%, #faf9fe 58%, #f1ecfc 100%);
  box-shadow: 0 4px 16px rgba(35, 31, 51, 0.035);
  min-height: 196px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.group-banner-top,
.group-explainer {
  position: relative;
  z-index: 2;
  max-width: 100%;
}

.group-context-label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--anime-violet-deep);
  background: var(--anime-violet-soft);
  border: 1px solid var(--anime-violet-line);
  padding: 2px 9px;
  border-radius: 999px;
  margin-bottom: 8px;
}

.group-context-label::before {
  content: "✦";
  font-size: 10px;
  color: var(--accent-brand);
}

#current-group {
  font-size: 25px;
  color: var(--text);
  letter-spacing: -0.01em;
}

#group-note {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 64ch;
}

.group-explainer {
  margin-top: 12px;
}

.group-explainer summary {
  color: var(--anime-violet-deep);
  text-decoration-color: var(--anime-violet-line);
  font-weight: 500;
}

.group-explainer-body {
  background: rgba(255, 255, 255, 0.92);
  border-color: var(--anime-violet-line);
  border-left: 3px solid var(--accent-brand);
  border-radius: 6px;
}

/* Mascot Stage Inside Banner (Strictly Non-Interactive & Behind/Right) */
.anime-banner-stage {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 256px;
  pointer-events: none;
  user-select: none;
  z-index: 1;
  overflow: hidden;
}

.anime-banner-ReadoutGrid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(124, 86, 230, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(124, 86, 230, 0.06) 1px, transparent 1px);
  background-size: 20px 20px;
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.85) 45%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.85) 45%, #000 100%);
}

.anime-banner-halo {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-46%);
  width: 184px;
  height: 184px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.22) 0%, rgba(124, 86, 230, 0.06) 58%, transparent 72%);
  border: 1px dashed rgba(124, 86, 230, 0.24);
}

.anime-banner-sparkles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.anime-mascot-figure {
  position: absolute;
  right: 10px;
  bottom: -6px;
  height: 204px;
  width: auto;
  max-width: none;
  object-fit: contain;
  object-position: bottom right;
  filter: drop-shadow(0 6px 14px rgba(42, 31, 74, 0.12));
}

/* Category Toolbar & Search */
.toolbar {
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.cat-tab {
  position: relative;
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.15s;
}

.cat-tab.active,
.cat-tab[aria-pressed="true"] {
  color: var(--anime-violet-deep);
  font-weight: 600;
  border-bottom-color: var(--accent-brand);
}

#search {
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  transition: border-color 0.15s, box-shadow 0.15s;
}

#search:focus {
  background: var(--surface);
  border-color: var(--accent-brand);
  box-shadow: 0 0 0 3px rgba(124, 86, 230, 0.12);
}

/* Rate Sheet Grid & Clean Cards */
#model-list {
  border-top: 1px solid var(--border-strong);
  border-left: 1px solid var(--border-strong);
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
}

.model-card {
  position: relative;
  background: var(--surface);
  border-right: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  transition: background-color 0.15s;
}

.model-card:hover {
  background-color: #fcfbfe;
}

.model-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-brand), rgba(240, 118, 107, 0.7));
  opacity: 0;
  transition: opacity 0.15s;
  pointer-events: none;
}

.model-card:hover::before {
  opacity: 1;
}

.model-name {
  color: var(--text);
  font-size: 18px;
}

.model-specs {
  color: var(--text-secondary);
  font-size: 14px;
}

.model-price-val {
  color: var(--text);
  font-size: 21px;
}

.model-price-unit {
  color: var(--text-muted);
}

.model-card-footer {
  border-top: 1px dashed var(--border);
}

.btn-details {
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  color: var(--text);
  background: var(--surface);
  transition: border-color 0.15s, background-color 0.15s, color 0.15s;
}

.btn-details:hover {
  border-color: var(--accent-brand);
  background: var(--accent-bg);
  color: var(--anime-violet-deep);
}

.btn-compare {
  color: var(--text-secondary);
}

.btn-compare:hover {
  color: var(--anime-violet-deep);
}

#load-more {
  border-radius: 6px;
  border-color: var(--border-strong);
  transition: border-color 0.15s, background-color 0.15s;
}

#load-more:hover {
  border-color: var(--accent-brand);
  background: var(--accent-bg);
  color: var(--anime-violet-deep);
}

/* Dialog Polish */
.dialog- { }
dialog#details {
  border: 1px solid var(--anime-violet-line);
  border-top: 3px solid var(--accent-brand);
  border-radius: 10px;
  box-shadow: 0 18px 40px rgba(24, 22, 34, 0.18);
}

.detail-rate-box {
  background: linear-gradient(90deg, var(--accent-bg) 0%, #faf9fe 100%);
  border-color: var(--anime-violet-line);
  border-radius: 6px;
}

#detail-price {
  color: var(--anime-violet-deep);
}

#copy-model:hover,
.compare-switch:hover:not(:disabled) {
  border-color: var(--accent-brand);
  background: var(--accent-bg);
  color: var(--anime-violet-deep);
}

/* Tablet & Mobile Responsive (Strict First-Fold & Non-Collision Rules) */
@media (max-width: 960px) {
  .mobile-group-bar {
    background: linear-gradient(90deg, #f8f6fe 0%, #f3f1fa 100%);
    border-bottom: 1px solid var(--anime-violet-line);
    padding: 8px 14px;
  }

  #group-select {
    border-color: var(--anime-violet-line);
    border-radius: 6px;
    height: 34px;
  }

  .main-content {
    padding: 12px 14px 44px;
  }

  .group-banner {
    min-height: 0;
    padding: 12px 104px 12px 14px;
    margin-bottom: 10px;
    border-radius: 8px;
  }

  .group-context-label {
    font-size: 11px;
    padding: 1px 7px;
    margin-bottom: 4px;
  }

  #current-group {
    font-size: 18px;
    line-height: 1.25;
  }

  #group-note {
    font-size: 12.5px;
    margin-top: 3px;
    line-height: 1.35;
  }

  .group-explainer {
    margin-top: 6px;
  }

  .group-explainer summary {
    font-size: 12px;
  }

  .anime-banner-stage {
    width: 100px;
  }

  .anime-banner-halo {
    width: 84px;
    height: 84px;
    right: 6px;
    top: 54%;
  }

  .anime-mascot-figure {
    height: 94px;
    right: 2px;
    bottom: -3px;
  }

  .toolbar {
    gap: 8px;
    margin-bottom: 10px;
    padding-bottom: 8px;
  }

  .category-tabs {
    padding-bottom: 4px;
  }

  #search {
    height: 34px;
  }

  .model-card {
    padding: 12px 14px;
    gap: 10px;
  }

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

  .model-price-val {
    font-size: 18px;
  }

  .model-card-footer {
    padding-top: 8px;
  }
}

@media (max-width: 380px) {
  .group-banner {
    padding-right: 88px;
  }

  .anime-banner-stage {
    width: 84px;
  }

  .anime-mascot-figure {
    height: 82px;
    right: 0;
  }

  #current-group {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}
/* Reserve the actual PNG aspect ratio plus a small text gutter on narrow screens. */
@media (max-width: 960px) { .group-banner { padding-right: 114px; } }
@media (max-width: 380px) { .group-banner { padding-right: 98px; } }

/* Reuse the exact existing website portrait; original image bytes are preserved. */
:root {
  --bg: #f8f5f0;
  --surface: #fffdf9;
  --surface-sub: #f5f0e8;
  --text: #302b26;
  --text-secondary: #62574b;
  --text-muted: #7b6d5e;
  --border: #e6ddd1;
  --border-strong: #d3c4b2;
  --accent: #473c31;
  --accent-brand: #916b48;
  --accent-bg: #f3eade;
  --anime-violet-soft: #f3eade;
  --anime-violet-line: #e0d1be;
  --anime-violet-deep: #755337;
  --anime-coral: #b2826b;
  --anime-silver: #faf7f1;
}
body { background: var(--bg); }
.site-header { background: var(--surface); box-shadow: none; }
.site-character-avatar { width: 32px; height: 32px; object-fit: cover; border-radius: 6px; flex-shrink: 0; }
#group-sidebar { background: #f7f3ec; }
.group-item.active, .group-item[aria-current="true"] { background: var(--accent-bg); box-shadow: none; }
#group-search:focus, #search:focus { box-shadow: 0 0 0 3px #916b481a; }
.group-banner { background: #faf6ef; box-shadow: none; border-bottom-color: #9b7a59; }
.anime-banner-stage { width: 236px; }
.anime-mascot-figure {
  inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 47%;
  filter: none; max-width: 100%;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 22%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 22%);
}
.group-context-label { border-radius: 4px; }
.model-card:hover { background: #faf6ef; }
.model-card::before { background: var(--accent-brand); }
.detail-rate-box { background: var(--accent-bg); }
.group-explainer-body { background: var(--surface); }
dialog#details { box-shadow: 0 6px 24px #473c3129; }
@media (max-width: 960px) {
  .mobile-group-bar { background: #f5eee4; }
  .group-banner { padding-right: 112px; }
  .anime-banner-stage { width: 100px; }
  .anime-mascot-figure { width: 100%; height: 100%; inset: 0; object-position: 54% center; }
}
@media (max-width: 380px) {
  .group-banner { padding-right: 96px; }
  .anime-banner-stage { width: 84px; }
  .site-character-avatar { width: 28px; height: 28px; }
}

/* Small visual refinements to the approved H candidate. */
.price-context { display: block; font-size: 11px; color: var(--text-muted); font-weight: 400; line-height: 1.4; margin-bottom: 3px; }
.model-price-val { font-variant-numeric: tabular-nums; }
#copy-model { min-width: 118px; transition: background-color 150ms, color 150ms, border-color 150ms; }
#copy-model[data-copy-state="success"] { background: #eef2e7; border-color: #b5c0a4; color: #3f5539; }
#copy-model[data-copy-state="error"] { color: #805235; }
.group-item, .cat-tab { transition: color 150ms, background-color 150ms, border-color 150ms; }

/* A reserved desktop gutter keeps the companion away from the rate sheet. */
body[data-companion="expanded"] .layout-shell { padding-right: 112px; }
body[data-companion="collapsed"] .layout-shell { padding-right: 84px; }
#corner-companion { position: fixed; right: 10px; bottom: 12px; width: 92px; z-index: 25; text-align: center; }
#companion-toggle { border: 0; background: transparent; padding: 0; width: 92px; height: 132px; cursor: pointer; display: block; }
#companion-toggle img { width: 100%; height: 100%; object-fit: contain; display: block; }
#companion-collapse { margin: 4px auto 0; min-height: 28px; padding: 2px 8px; border: 0; border-radius: 4px; color: var(--text-muted); background: var(--bg); font-size: 11px; cursor: pointer; }
#companion-collapse:hover { color: var(--text); background: var(--accent-bg); }
#companion-toggle:focus-visible, #companion-collapse:focus-visible, #companion-restore:focus-visible, #companion-close:focus-visible { outline: 2px solid var(--accent-brand); outline-offset: 3px; }
#companion-hint { position: absolute; bottom: 172px; right: 0; width: 236px; padding: 14px 34px 14px 14px; text-align: left; background: var(--surface); color: var(--text-secondary); border: 1px solid var(--border-strong); border-radius: 8px; box-shadow: 0 2px 8px #473c3112; font-size: 13px; line-height: 1.6; }
#companion-hint strong { color: var(--text); display: block; font-weight: 600; margin-bottom: 5px; }
#companion-hint p { margin: 0; overflow-wrap: anywhere; }
#companion-close { position: absolute; top: 5px; right: 5px; width: 28px; height: 28px; border: 0; background: transparent; color: var(--text-muted); cursor: pointer; }
#companion-restore { position: fixed; right: 10px; bottom: 8px; z-index: 25; font-size: 12px; padding: 8px 12px; min-height: 36px; border: 1px solid var(--border); border-radius: 5px; background: var(--surface); color: var(--text-secondary); cursor: pointer; }
body[data-companion="collapsed"] .site-footer { padding-bottom: 56px; }
.companion-mobile-note { display: none; }
body:has(#details[open]) #corner-companion, body:has(#details[open]) #companion-restore { visibility: hidden; }

@media (max-width: 960px) {
  /* Give the page its own visible scroll area above the small companion strip. */
  body[data-companion="expanded"] #page-scroll { height: calc(100dvh - 66px - env(safe-area-inset-bottom, 0px)); overflow-y: auto; scrollbar-width: thin; }
  body[data-companion="collapsed"] #page-scroll { height: calc(100dvh - 44px - env(safe-area-inset-bottom, 0px)); overflow-y: auto; scrollbar-width: thin; }
  body[data-companion] .layout-shell { padding-right: 0; }
  #corner-companion { left: 0; right: 0; bottom: 0; width: auto; height: calc(66px + env(safe-area-inset-bottom, 0px)); padding: 0 12px env(safe-area-inset-bottom, 0px); background: var(--surface); border-top: 1px solid var(--border); display: flex; justify-content: flex-end; align-items: center; gap: 10px; }
  #corner-companion[hidden] { display: none; }
  #companion-toggle { width: 46px; height: 62px; flex: 0 0 46px; order: 3; }
  .companion-mobile-note { display: block; margin-right: auto; color: var(--text-muted); font-size: 12px; text-align: left; }
  .companion-mobile-note strong { display: block; color: var(--text-secondary); font-size: 12px; font-weight: 500; }
  #companion-collapse { order: 2; margin: 0; min-height: 40px; font-size: 12px; }
  #companion-hint { bottom: calc(74px + env(safe-area-inset-bottom, 0px)); right: 12px; width: min(260px, calc(100vw - 24px)); }
  #companion-restore { left: 0; right: 0; bottom: 0; height: calc(44px + env(safe-area-inset-bottom, 0px)); padding: 8px 18px calc(8px + env(safe-area-inset-bottom, 0px)); text-align: right; border: 0; border-top: 1px solid var(--border); border-radius: 0; }
}
@media (prefers-reduced-motion: reduce) { #copy-model, .group-item, .cat-tab { transition: none; } }
@media print { #corner-companion, #companion-restore { display: none !important; } #page-scroll { height: auto !important; overflow: visible !important; } .layout-shell { padding-right: 0 !important; } }

#companion-toggle img { transform-origin: 50% 70%; }
#companion-hint { max-height: min(260px, calc(100dvh - 200px)); overflow-y: auto; }
#companion-hint strong { padding-right: 2px; }
#companion-group { font-size: 12px; color: var(--text-muted); }
.companion-hint-tip { margin-top: 8px !important; font-size: 12px; }
#copy-companion-feedback {
  min-height: 48px; display: flex; align-items: center; gap: 10px;
  padding: 0 4px; margin: -2px 0 8px; visibility: hidden;
  color: var(--text-secondary); font-size: 13px; pointer-events: none;
}
#copy-companion-feedback[data-active="true"] { visibility: visible; }
#copy-companion-feedback img { display: block; width: 40px; height: 48px; object-fit: contain; transform-origin: 50% 70%; }
#copy-companion-feedback span { line-height: 1.5; }
#copy-companion-feedback small { display: block; color: var(--text-muted); font-size: 11px; }
@media (max-width: 960px) {
  #companion-hint { max-height: min(240px, calc(100dvh - 100px)); }
}
@media print { #copy-companion-feedback { display: none; } }

.site-header { gap: 16px; flex-wrap: wrap; min-height: 52px; height: auto; }
.site-header .header-inner { width: auto; flex: 1 1 auto; margin: 0; }
.live-nav { display: flex; gap: 18px; align-items: center; margin-left: auto; font-size: 13px; }
.live-nav a { color: var(--text-secondary); text-decoration: none; white-space: nowrap; }
.live-nav a:hover { color: var(--anime-violet-deep); text-decoration: underline; }
.live-nav button { border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 5px; width: 30px; height: 30px; cursor: pointer; }
.catalog-status-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin: -2px 0 12px; font-size: 12px; color: var(--text-muted); }
#refresh-pricing { flex-shrink: 0; border: 0; padding: 4px 0 4px 12px; background: transparent; color: var(--anime-violet-deep); cursor: pointer; font-size: 12px; }
#refresh-pricing:disabled { opacity: .5; cursor: default; }
body[data-catalog-state="error"] #catalog-status { color: #9b4b32; }
body:not([data-catalog-state="ready"]):not([data-catalog-state="error"]) #corner-companion { visibility: hidden; }
.skip-link { position: fixed; top: -100px; left: 12px; z-index: 100; background: var(--surface); color: var(--text); padding: 10px; }
.skip-link:focus { top: 8px; }
#detail-parameters pre { white-space: pre-wrap; overflow-wrap: anywhere; font: 13px/1.7 ui-monospace,monospace; }
#detail-breakdown .token-pricing { overflow-x: auto; }
#detail-breakdown table { width: 100%; border-collapse: collapse; font-size: 13px; }
#detail-breakdown th, #detail-breakdown td { padding: 8px 6px; border-bottom: 1px solid var(--border); text-align: left; }
#detail-breakdown td { font-variant-numeric: tabular-nums; }
#detail-breakdown th { font-weight: 500; }
#detail-breakdown .token-tier-heading th { background: var(--surface-sub); }
#detail-breakdown p { font-size: 13px; line-height: 1.7; }
.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; }
.model-info { min-width: 0; }
.model-name, .model-specs { overflow-wrap: anywhere; }
.model-pricing { max-width: 58%; flex-shrink: 0; }
.model-price-val { overflow-wrap: anywhere; }
#toast { color: var(--surface); }
@media(max-width:960px) {
 .site-header { gap: 6px; padding-block: 8px; }
 .live-nav { width: 100%; margin: 0; gap: 14px; font-size: 12px; justify-content: space-between; }
 .live-nav button { height: 26px; width: 26px; }
 .catalog-status-row { font-size: 11px; gap: 8px; }
}
@media(max-width:380px) { .live-nav { gap: 8px; font-size: 11px; } .model-pricing { max-width: 52%; } }
:root[data-theme="dark"] {
 color-scheme: dark; --bg:#171512; --surface:#211e1a; --surface-sub:#2a251f;
 --text:#f0e8dc; --text-secondary:#d2c3b1; --text-muted:#b4a48f;
 --border:#443a2f; --border-strong:#655440; --accent:#dbc5aa; --accent-brand:#cda67d;
 --accent-bg:#372c21; --anime-violet-soft:#372c21; --anime-violet-line:#655440;
 --anime-violet-deep:#e0bc93; --anime-coral:#d7a38b; --anime-silver:#242019;
}
:root[data-theme="dark"] #group-sidebar, :root[data-theme="dark"] .group-banner { background: #251f19; }
:root[data-theme="dark"] .mobile-group-bar, :root[data-theme="dark"] .model-card:hover { background: #2b241c; }
:root[data-theme="dark"] .anime-mascot-figure { opacity: .76; }
:root[data-theme="dark"] #copy-model[data-copy-state="success"] { background:#2a3525; border-color:#647655; color:#d9e9cd; }
:root[data-theme="dark"] #copy-model[data-copy-state="error"], :root[data-theme="dark"] body[data-catalog-state="error"] #catalog-status { color:#efb18b; }