/*
 * REDTUNE_FILE_CHARTER_v1
 * PLANE: Frontend
 * ROLE: Shared UI primitives
 * RESPONSIBILITY: Selects, filters, discovery fallbacks, pagination, and numeric presentation.
 * SIDE_EFFECTS: None.
 * END_REDTUNE_FILE_CHARTER_v1
 */

/* Shared discovery metrics use the approved, locally hosted number face. */
:where(body[data-rt-design="approved"]) details > summary { display:flex; align-items:center; gap:.65em; list-style:none; cursor:pointer; }
:where(body[data-rt-design="approved"]) details > summary::-webkit-details-marker { display:none; }
:where(body[data-rt-design="approved"]) details:not(.rt-live-tags) > summary::before { content:""; flex:0 0 12px; width:12px; height:12px; background:linear-gradient(currentColor,currentColor) center/12px 2px no-repeat,linear-gradient(currentColor,currentColor) center/2px 12px no-repeat; }
:where(body[data-rt-design="approved"]) details[open]:not(.rt-live-tags) > summary::before { background-size:12px 2px,0 0; }
@media (forced-colors:active) { :where(body[data-rt-design="approved"]) details:not(.rt-live-tags) > summary::before { forced-color-adjust:none; color:CanvasText; } }
@font-face {
  font-family: "Redtune Geist Mono";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("fonts/geist-mono-v1.7.1-500.woff2") format("woff2");
}

:is(.rt-top-page, .rt-rank-page, .rt-directory-page, .rt-live-page, .rt-search-shell, .rt-library-page, .rt-status-page) {
  --rt-font-number: "Redtune Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  --rt-font-serif: "Redtune Noto Serif JP", "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --rt-font-serif-bold: var(--rt-font-serif);
}
body[data-rt-design="approved"] :is(.rt-directory-page, .rt-live-page, .rt-search-shell, .rt-library-page) h1 {
  font: 700 clamp(32px, 3.6vw, 44px)/1.4 var(--rt-font-serif);
  letter-spacing: -.025em;
}
:is(.rt-rank-page, .rt-directory-page, .rt-live-page, .rt-search-shell) .rt-select-button {
  min-height: 46px;
  border-radius: 999px;
  font-size: 14px;
}
.rt-metric-number { font-family: var(--rt-font-number); font-weight: 500; font-variant-numeric: tabular-nums; letter-spacing: -.035em; }
.rt-metric-unit,
.rt-directory-inline-count small { margin-inline-start: .25em; color: var(--rt-muted); font: 450 max(11px, .4em) var(--rt-font-sans); white-space: nowrap; }

/* Initial HTML and subsequent counts share one LIVE presentation. */
.rt-live-count-pill [data-rt-live-total] {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: #2980b9;
  font: 500 16px/1 var(--rt-font-number);
  white-space: nowrap;
}
.rt-live-count-pill .rt-metric-number {
  color: inherit;
  font: 500 26px/1 var(--rt-font-number);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.035em;
}
.rt-live-count-pill .rt-metric-unit {
  margin: 0;
  color: inherit;
  font: inherit;
}

[hidden],
.search-page [hidden],
.rt-select-menu[hidden],
.rt24-live-select-menu[hidden],
select[data-rt-select-enhanced="1"],
select[aria-hidden="true"].rt-native-select-source,
[data-filter-scope][hidden] {
  display: none !important;
}

.rt-site-menu:not(.is-open) {
  visibility: hidden;
  pointer-events: none;
}

.rt-site-menu.is-open {
  visibility: visible;
  pointer-events: auto;
}

.rt-native-select-source,
select[data-rt-select-enhanced="1"] {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}

select:not(.rt-native-select-source):not([data-rt-select-enhanced="1"]) {
  min-height: 44px;
  padding: 0 2.7rem 0 .95rem;
  border: 1px solid var(--rt-line, rgb(20 20 26 / 12%));
  border-radius: var(--rt-radius-control, .85rem);
  appearance: none;
  background:
    linear-gradient(45deg, transparent 50%, currentColor 50%) calc(100% - 1.15rem) 50% / .38rem .38rem no-repeat,
    linear-gradient(135deg, currentColor 50%, transparent 50%) calc(100% - .8rem) 50% / .38rem .38rem no-repeat,
    var(--rt-surface, #fff);
  color: var(--rt-text, #17171a);
  font: inherit;
}

select::-ms-expand {
  display: none;
}

.rt-select,
.rt24-live-select {
  position: relative;
  isolation: isolate;
  width: 100%;
  min-width: 0;
}

.rt-select.is-open,
.rt24-live-select.is-open {
  z-index: 120;
}

.rt-select:not(.is-open) .rt-select-menu,
.rt24-live-select:not(.is-open) .rt24-live-select-menu,
[data-live-select]:not(.is-open) > .rt24-live-select-menu {
  display: none !important;
}

.rt-select.is-open > .rt-select-menu,
.rt24-live-select.is-open > .rt24-live-select-menu,
[data-live-select].is-open > .rt24-live-select-menu {
  display: grid;
}

.rt-select-button,
.rt24-live-select-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  min-height: 44px;
  padding: 0 .95rem;
  border: 1px solid var(--rt-line, rgb(20 20 26 / 12%));
  border-radius: var(--rt-radius-control, .85rem);
  appearance: none;
  background: color-mix(in srgb, var(--rt-surface, #fff) 86%, transparent);
  color: var(--rt-text, #17171a);
  font: inherit;
  font-size: .9rem;
  line-height: 1.2;
  text-align: left;
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, box-shadow 160ms ease;
}

.rt-select-button:hover,
.rt24-live-select-button:hover {
  border-color: var(--rt-line-strong, rgb(20 20 26 / 22%));
  background: var(--rt-surface, #fff);
}

.rt-select.is-open .rt-select-button,
.rt24-live-select.is-open .rt24-live-select-button,
.rt-select-button:focus-visible,
.rt24-live-select-button:focus-visible {
  border-color: color-mix(in srgb, var(--rt-accent, #d91956) 48%, transparent);
  outline: 0;
  box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--rt-accent, #d91956) 11%, transparent);
}

.rt-select-button .rt-select-symbol,
.rt24-live-select-button::after {
  flex: 0 0 auto;
  margin-left: auto;
  color: var(--rt-text-muted, #6d6d73);
  font-size: 1.25rem;
  transition: transform 160ms ease;
}

.rt24-live-select-button::after {
  content: "keyboard_arrow_down";
  font-family: "Material Symbols Rounded";
  font-feature-settings: "liga";
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  line-height: 1;
}

.rt-select-button[aria-expanded="true"] .rt-select-symbol,
.rt24-live-select.is-open .rt24-live-select-button::after {
  transform: rotate(180deg);
}

.rt-select-menu,
.rt24-live-select-menu {
  position: absolute;
  z-index: 130;
  top: calc(100% + .5rem);
  left: 0;
  display: grid;
  gap: .18rem;
  width: min(max(100%, 14rem), calc(100vw - 2rem));
  max-width: calc(100vw - 2rem);
  max-height: min(52vh, 26rem);
  margin: 0;
  padding: .4rem;
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid rgb(20 25 36 / 9%);
  border-radius: 1rem;
  background: #fff;
  box-shadow: 0 12px 36px rgb(20 25 36 / 12%);
}

@supports (backdrop-filter: blur(1rem)) or (-webkit-backdrop-filter: blur(1rem)) {
  .rt-select-menu,
  .rt24-live-select-menu {
    background: rgb(255 255 255 / 96%);
    -webkit-backdrop-filter: blur(16px) saturate(110%);
    backdrop-filter: blur(16px) saturate(110%);
  }
}

.rt24-live-select-menu {
  display: none;
}

.rt-select-option,
.rt24-live-select-option {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 44px;
  padding: .55rem .7rem;
  border: 0;
  border-radius: .7rem;
  background: transparent;
  color: var(--rt-text, #17171a);
  font: inherit;
  font-size: .86rem;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
}

.rt-select-option:hover,
.rt-select-option:focus-visible,
.rt24-live-select-option:hover,
.rt24-live-select-option:focus-visible {
  background: #f3f5f7;
}

.rt-select-option.is-active,
.rt24-live-select-option.is-active {
  background: #edf4fa;
  color: #235d85;
  font-weight: 600;
}

.rt-select-option:focus-visible,
.rt24-live-select-option:focus-visible {
  outline: 2px solid #235d85;
  outline-offset: -2px;
}

@media (prefers-reduced-transparency: reduce), (forced-colors: active) {
  .rt-select-menu,
  .rt24-live-select-menu {
    background: #fff;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
}

.rt-static-discovery {
  margin: 0 0 clamp(2rem, 5vw, 4rem);
  padding: clamp(1rem, 2.5vw, 1.5rem);
  border: 1px solid var(--rt-line, rgb(20 20 26 / 12%));
  border-radius: 1.2rem;
  background: color-mix(in srgb, var(--rt-surface, #fff) 68%, transparent);
}

.rt-static-discovery > h2 {
  margin: 0 0 1rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
}

.rt-static-discovery-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  gap: .5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rt-static-discovery-link {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  align-items: center;
  gap: .7rem;
  min-height: 3.5rem;
  padding: .5rem .65rem;
  border-radius: .8rem;
  color: var(--rt-text, #17171a);
  font-size: .85rem;
  font-weight: 650;
  text-decoration: none;
}

.rt-static-discovery-link:hover,
.rt-static-discovery-link:focus-visible {
  outline: 0;
  background: var(--rt-surface-muted, #f0f0f2);
}

.rt-static-discovery-link > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rt-static-discovery-image {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: cover;
  border-radius: .65rem;
  background: var(--rt-surface-muted, #f0f0f2);
}



.rt-rank-field {
  min-width: 0;
}

:where(
  .rt-pagination,
  .rt-search-pagination,
  #rt-search-pagination,
  .search-page-pagination,
  .rt-search-pager,
  .rtci-pagination,
  .rt24-pagination,
  .rt340-pagination,
  .rt-rank-pagination,
  .rt-directory-pagination,
  .pagination,
  .pager,
  .pagination-nav,
  .pager-nav,
  .channel-pagination,
  [data-rt-directory-pagination]
) {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  gap: .35rem;
  width: 100%;
  margin: clamp(2rem, 5vw, 4rem) auto 0;
  padding: 0;
}

:where(
  .rt-pagination,
  .rt-search-pagination,
  #rt-search-pagination,
  .search-page-pagination,
  .rt-search-pager,
  .rtci-pagination,
  .rt24-pagination,
  .rt340-pagination,
  .rt-rank-pagination,
  .rt-directory-pagination,
  .pagination,
  .pager,
  .pagination-nav,
  .pager-nav,
  .channel-pagination,
  [data-rt-directory-pagination]
) :is(a, button, span):not(a *, button *, .material-symbols-rounded, .rt-symbol) {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 44px;
  padding-inline: .65rem;
  border: 1px solid transparent;
  border-radius: .75rem;
  background: transparent;
  color: var(--rt-text-muted, #6d6d73);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-decoration: none;
  box-sizing: border-box;
  flex: 0 0 auto;
  white-space: nowrap;
  transition: background-color 140ms ease, color 140ms ease;
}

:where(
  .rt-pagination,
  .rt-search-pagination,
  #rt-search-pagination,
  .search-page-pagination,
  .rt-search-pager,
  .rtci-pagination,
  .rt24-pagination,
  .rt340-pagination,
  .rt-rank-pagination,
  .rt-directory-pagination,
  .pagination,
  .pager,
  .pagination-nav,
  .pager-nav,
  .channel-pagination,
  [data-rt-directory-pagination]
) :is(a, button):hover {
  background: var(--rt-surface-muted, #f0f0f2);
  color: var(--rt-text, #17171a);
}

:where(
  .rt-pagination,
  .rt-search-pagination,
  #rt-search-pagination,
  .search-page-pagination,
  .rt-search-pager,
  .rtci-pagination,
  .rt24-pagination,
  .rt340-pagination,
  .rt-rank-pagination,
  .rt-directory-pagination,
  .pagination,
  .pager,
  .pagination-nav,
  .pager-nav,
  .channel-pagination,
  [data-rt-directory-pagination]
) :is(a, button, span):is([aria-current="page"], .active, .is-active) {
  border-color: #2478ad;
  background: #2478ad;
  color: #fff;
  font-weight: 700;
  box-shadow: 0 2px 5px rgb(25 61 87 / 12%);
}

.rt-page-arrow {
  width: 44px;
  min-width: 44px;
  padding: 0;
}

[data-rt-directory-pagination] span {
  min-width: 44px;
  height: 44px;
}

.rt-page-arrow::before {
  content: none;
}

.rt-page-icon {
  font-size: 1.15rem;
}

.rt-page-control[aria-disabled="true"],
.rt-page-control.is-disabled,
.rt-page-control:disabled,
:is(.rt-pagination, .rt-search-pagination, #rt-search-pagination, .search-page-pagination, .rt-rank-pagination, .rt-directory-pagination, .channel-pagination) :is([aria-disabled="true"], .is-disabled, button:disabled) {
  opacity: .34;
  pointer-events: none;
}


.rt-pagination :is(a, button):focus-visible {
  outline: 2px solid var(--rt-focus, #2980b9);
  outline-offset: 3px;
}

@media (max-width: 600px) {
  .rt-pagination { gap: 4px; min-width: 0; }
  .rt-pagination .rt-page-number:not([aria-current="page"]) { display: none; }
  .rt-pagination .rt-page-arrow { flex: 0 1 44px; min-width: 32px; padding: 0; }
  .rt-pagination .rt-page-number[aria-current="page"] {
    min-width: 76px;
    padding-inline: 12px;
    gap: 6px;
  }
  .rt-pagination [aria-current="page"][data-page-total]::after {
    content: "/ " attr(data-page-total);
    font-weight: 500;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rt-pagination .rt-page-control { transition: none; }
}

.rt24-inline-metric,
.channel-metric {
  display: inline-flex;
  align-items: baseline;
  gap: .2em;
}

.rt24-num,
.channel-metric__num,
.rt-video-value-num,
.rt-rank-value,
.rt-search-stat strong {
  font-variant-numeric: tabular-nums;
  letter-spacing: -.025em;
}

.rt24-inline-metric .rt24-unit,
.channel-metric__unit,
.rt-video-value-unit {
  color: var(--rt-text-muted, #6d6d73);
  font-size: .72em;
}

.rt24-similar-card .rt24-unit,
.rt24-similar-meta .rt24-unit {
  color: inherit;
}

.rt-video-value-num {
  font-weight: 730;
}

.rt-video-chart-frame {
  position: relative;
  min-height: 14rem;
}

.rt-video-chart-frame canvas {
  display: block;
  width: 100%;
  max-width: 100%;
}

.rt-video-chart-card.is-empty-chart .rt-video-chart-frame {
  min-height: 4rem;
}

.rt-video-chart-card.is-empty-chart .rt-video-chart-frame canvas {
  display: none;
}

.rt-video-chart-metrics,
.rt-video-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr));
  gap: .75rem;
}

.rt-video-chart-metrics .rt-video-metric,
.rt-video-metric-grid .rt-video-metric {
  min-width: 0;
}

@media (max-width: 760px) {
  .rt-select-menu,
  .rt24-live-select-menu {
    left: 0;
    right: 0;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }

  .rt-static-discovery-list {
    grid-template-columns: 1fr 1fr;
  }

  :is(
    .rt-pagination,
    .rt-search-pagination,
    #rt-search-pagination,
    .search-page-pagination,
    .rt-search-pager,
    .rtci-pagination,
    .rt24-pagination,
    .rt340-pagination,
    .rt-rank-pagination,
    .rt-directory-pagination,
    .pagination,
    .pager,
    .pagination-nav,
    .pager-nav,
    .channel-pagination,
    [data-rt-directory-pagination]
  ) {
    gap: .2rem;
  }

  .rt-video-chart-metrics,
  .rt-video-metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .rt-static-discovery-list {
    grid-template-columns: 1fr;
  }
}

@media (pointer: coarse) {
  .rt-select-option,
  .rt24-live-select-option {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .rt-select-button,
  .rt24-live-select-button,
  .rt-select-button .rt-select-symbol,
  .rt24-live-select-button::after {
    transition: none;
  }
}

@media (forced-colors: active) {
  .rt-select-button,
  .rt24-live-select-button,
  .rt-select-menu,
  .rt24-live-select-menu,
  .rt-static-discovery {
    border: 1px solid CanvasText;
    background: Canvas;
    box-shadow: none;
  }

  .rt-select-option.is-active,
  .rt24-live-select-option.is-active {
    background: Highlight;
    color: HighlightText;
  }

  .rt-select-option:focus-visible,
  .rt24-live-select-option:focus-visible {
    outline-color: currentColor;
  }
}

/* Shared first-party search input; page styles own only the surrounding layout. */
:root { --rt-search-icon: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSJibGFjayIgc3Ryb2tlLXdpZHRoPSIyIiBzdHJva2UtbGluZWNhcD0icm91bmQiIHN0cm9rZS1saW5lam9pbj0icm91bmQiPjxjaXJjbGUgY3g9IjEwLjc1IiBjeT0iMTAuNzUiIHI9IjcuMjUiLz48cGF0aCBkPSJtMTYgMTYgNC41IDQuNSIvPjwvc3ZnPg=="); }
.rt-search-field[data-rt-search-field] { position: relative; min-width: 0; display: block; padding: 0; }
.rt-search-field[data-rt-search-field] input[type="search"] { box-sizing: border-box; width: 100%; min-height: 48px; padding-inline: 56px; }
.rt-search-field[data-rt-search-field] input::-webkit-search-cancel-button,
.rt-search-field[data-rt-search-field] input::-webkit-search-decoration { -webkit-appearance: none; appearance: none; }
.rt-search-field[data-rt-search-field] .rt-search-leading,
.rt-search-field[data-rt-search-field] .rt-search-clear-control { box-sizing: border-box; position: absolute; z-index: 2; top: 50%; width: 48px; height: 48px; min-width: 48px; min-height: 48px; margin: 0; padding: 12px; display: grid; place-items: center; transform: translateY(-50%); border: 0; border-radius: 50%; background: transparent; box-shadow: none; }
.rt-search-field[data-rt-search-field] .rt-search-leading { left: 4px; color: #000; }
.rt-search-field[data-rt-search-field] .rt-search-magnifier { width: 22px; height: 22px; display: block; background: var(--rt-search-icon) center / contain no-repeat; }
.rt-search-field[data-rt-search-field] .rt-search-clear-control { right: 4px; color: #6f7378; cursor: pointer; }
.rt-search-field[data-rt-search-field] .rt-search-clear-control[hidden] { display: none; }
.rt-search-clear-control svg { width: 22px; height: 22px; display: block; }
.rt-search-field button:focus-visible { outline: 2px solid var(--rt-focus); outline-offset: 1px; }
.rt-page-icon { width: 24px; height: 24px; flex: 0 0 24px; }
@media (max-width: 700px) { .rt-search-field:has([data-live-search]) { grid-column: 1 / -1; } }

.rt-pagination :is(a, button):not(:disabled, [aria-disabled="true"]) { cursor: pointer; }
.rt-pagination :is(:disabled, [aria-disabled="true"]) { cursor: default; }