/* ITU explorer. Uses the existing divs.au site variables and typography. */
.itu-page { max-width: 1100px; padding-top: 24px; padding-bottom: 32px; }
.itu-page * { box-sizing: border-box; }
.itu-page-header { margin: 0 0 24px; }
.itu-page-header h1 { margin: 0 0 8px; font-size: clamp(1.9rem, 4vw, 2.7rem); letter-spacing: -.035em; line-height: 1.12; }
.itu-intro { max-width: 680px; color: var(--text-highlight); font-size: 1rem; line-height: 1.55; }
.itu-global-search-wrap { position: relative; margin: 0 0 24px; }
.itu-global-search-wrap > label { display: block; margin-bottom: 7px; font-size: .88rem; font-weight: 700; }
.itu-global-search-wrap > input { display: block; width: 100%; padding: 13px 14px; border: 1px solid #a9a9b8; border-radius: 5px; background: var(--highlight, #fff); color: var(--text-main); font: inherit; }
.itu-global-search-wrap > input:focus { outline: 2px solid var(--brand-main); outline-offset: 1px; }
.itu-search-hint { margin-top: 6px; color: var(--text-highlight); font-size: .76rem; }
.itu-search-results { position: absolute; z-index: 20; top: calc(100% - 26px); left: 0; right: 0; max-height: 360px; overflow-y: auto; border: 1px solid #c7c7d3; border-radius: 5px; background: var(--highlight, #fff); box-shadow: var(--shadow-main); }
.itu-search-group-label { padding: 9px 12px 5px; color: var(--text-highlight); font-size: .7rem; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; border-top: 1px solid var(--accent); }
.itu-search-group-label:first-child { border-top: 0; }
.itu-search-result { display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 10px; align-items: center; width: 100%; padding: 10px 12px; border: 0; border-top: 1px solid var(--accent); background: transparent; color: var(--text-main); text-align: left; font: inherit; cursor: pointer; }
.itu-search-result:hover, .itu-search-result:focus-visible { background: var(--brand-highlight); outline-offset: -2px; }
.itu-search-result-code { color: var(--brand-main); font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: .86rem; font-weight: 800; }
.itu-search-result-main { min-width: 0; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.itu-search-result-name { font-size: .88rem; font-weight: 650; }
.itu-search-result-type { display: inline-block; padding: 2px 6px; border-radius: 3px; background: var(--accent); color: var(--text-highlight); font-size: .67rem; }
.itu-search-empty { padding: 14px; color: var(--text-highlight); font-size: .85rem; }
.itu-mode-nav { display: flex; gap: 6px; border-bottom: 1px solid var(--text-accent); margin-bottom: 18px; }
.itu-mode-nav a { display: block; padding: 10px 14px; color: var(--text-highlight); text-decoration: none; font-weight: 650; border-bottom: 2px solid transparent; }
.itu-mode-nav a:hover, .itu-mode-nav a.selected { color: var(--brand-main); border-bottom-color: var(--brand-main); }
.itu-panel { background: var(--highlight); border: 1px solid #d7d7df; border-radius: 7px; padding: clamp(16px, 3vw, 26px); margin: 0 0 18px; box-shadow: var(--shadow-main); scroll-margin-top: 16px; }
.itu-section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.itu-section-head h2 { font-size: 1.4rem; border: 0; padding: 0; margin: 0; letter-spacing: -.02em; }
.itu-year-readout { display: flex; flex-direction: column; align-items: flex-end; }
.itu-year-readout > span:first-child { font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: 2rem; line-height: 1; font-weight: 750; color: var(--brand-main); }
.itu-year-range { margin-top: 5px; color: var(--text-highlight); font-size: .7rem; }
.itu-year-controls { display: grid; grid-template-columns: minmax(0,1fr) 160px; gap: 7px 18px; align-items: center; margin-bottom: 24px; }
.itu-year-controls input[type=range] { width: 100%; accent-color: var(--brand-main); cursor: pointer; }
.itu-range-labels { grid-column: 1; display: flex; justify-content: space-between; font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: .7rem; color: var(--text-highlight); }
.itu-year-controls > label:not(.itu-sr-only) { grid-column: 2; grid-row: 1; font-size: .78rem; color: var(--text-highlight); font-weight: 650; }
.itu-year-controls select { grid-column: 2; grid-row: 2; width: 100%; padding: 9px 10px; border: 1px solid #aaaabd; border-radius: 5px; background: var(--highlight, #fff); color: var(--text-main); font: inherit; }
.itu-list-head { display: flex; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 8px; }
.itu-list-head h3 { font-size: 1.02rem; padding: 0 0 3px; margin: 0; }
.itu-list-head p { color: var(--text-highlight); font-size: .8rem; margin: 0; }
.itu-results-meta { color: var(--text-highlight); font-size: .78rem; margin: 8px 0; }
.itu-allocation-list { border-top: 1px solid var(--accent); }
.itu-allocation-row { display: grid; grid-template-columns: 68px minmax(0,1fr) auto; gap: 10px; align-items: center; padding: 10px 8px; border-bottom: 1px solid var(--accent); text-decoration: none; color: inherit; }
.itu-allocation-row:hover, .itu-allocation-row:focus-visible { background: var(--brand-highlight); outline-offset: -2px; }
.itu-prefix-code { font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: .9rem; font-weight: 800; color: var(--brand-main); letter-spacing: .02em; }
.itu-allocation-entity { min-width: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 7px; font-size: .88rem; font-weight: 650; line-height: 1.35; }
.itu-entity-flag { display: inline-block; width: 21px; height: 14px; flex: 0 0 auto; object-fit: cover; border: 1px solid rgb(0 0 0 / 12%); border-radius: 1px; }
.itu-entity-code, .itu-period-code { display: inline-block; padding: 2px 6px; border-radius: 3px; background: var(--accent); color: var(--text-highlight); font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: .68rem; font-weight: 600; line-height: 1.4; }
.itu-history-link { display: inline-flex; align-items: center; gap: 6px; color: var(--brand-main); font-size: .78rem; font-weight: 650; white-space: nowrap; }
.itu-history-link svg { width: 15px; height: 15px; flex: 0 0 auto; }
.itu-more { display: block; margin: 14px auto 0; border: 1px solid #aaaabd; border-radius: 5px; background: transparent; color: var(--brand-main); padding: 9px 16px; font: inherit; font-size: .83rem; font-weight: 700; cursor: pointer; }
.itu-more:hover { background: var(--brand-highlight); }
.itu-history { margin-top: 4px; }
.itu-empty-state { padding: 18px 4px 8px; color: var(--text-highlight); }
.itu-empty-state p { color: var(--text-main); font-weight: 600; margin: 0; }
.itu-history-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 15px; border-bottom: 1px solid var(--accent); }
.itu-history-top h3 { font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: 1.8rem; color: var(--brand-main); padding: 0; margin: 0 0 4px; }
.itu-history-top p { font-size: .88rem; color: var(--text-highlight); margin: 0; }
.itu-timeline { margin: 22px 0 12px; }
.itu-timeline-years { display: flex; justify-content: space-between; color: var(--text-highlight); font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: .68rem; padding-bottom: 7px; }
.itu-timeline-track { position: relative; height: 22px; background: repeating-linear-gradient(90deg,#e9e9ef 0,#e9e9ef 1px,transparent 1px,transparent 8.333%); border-radius: 3px; margin-bottom: 16px; }
.itu-timeline-segment { position: absolute; top: 0; height: 100%; min-width: 3px; border-radius: 2px; cursor: pointer; border: 1px solid rgb(255 255 255 / 70%); transition: filter .15s, transform .15s; }
.itu-timeline-segment:hover, .itu-timeline-segment:focus-visible { filter: brightness(.88); transform: translateY(-2px); outline: 2px solid var(--brand-main); outline-offset: 1px; }
.itu-periods { display: grid; gap: 0; }
.itu-period { display: grid; grid-template-columns: 105px minmax(0,1fr); gap: 14px; padding: 12px 0; border-top: 1px solid var(--accent); }
.itu-period-dates { font-family: 'Atkinson Hyperlegible Mono', monospace; font-size: .78rem; font-weight: 750; color: var(--brand-main); }
.itu-period-name { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; font-weight: 650; font-size: .88rem; }
.itu-period-note { margin-top: 3px; color: var(--text-highlight); font-size: .75rem; }
.itu-sr-only { position: absolute!important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.itu-empty-results { padding: 22px 10px; text-align: center; color: var(--text-highlight); font-size: .88rem; }
.itu-load-error { padding: 12px; border-left: 3px solid #b44; color: var(--text-main); }
@media (max-width: 650px) {
  .itu-page { padding-top: 18px; padding-bottom: 24px; }
  .itu-page-header h1 { font-size: 2rem; }
  .itu-panel { padding: 16px 13px; }
  .itu-section-head h2 { font-size: 1.2rem; }
  .itu-year-readout > span:first-child { font-size: 1.7rem; }
  .itu-year-controls { grid-template-columns: minmax(0,1fr) 105px; gap: 7px 10px; }
  .itu-allocation-row { grid-template-columns: 48px minmax(0,1fr); gap: 7px; padding: 10px 3px; }
  .itu-history-link { grid-column: 2; margin-top: -1px; }
  .itu-allocation-entity { font-size: .84rem; }
  .itu-search-result { grid-template-columns: 60px minmax(0,1fr); }
  .itu-history-top h3 { font-size: 1.55rem; }
  .itu-period { grid-template-columns: 82px minmax(0,1fr); gap: 8px; }
}
.itu-entity-flag[hidden] { display: none; }