.callsigns-page { margin: 0; background: #f5f7fa; color: #182c40; font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
.callsigns-page * { box-sizing: border-box; }
.callsigns-page a { color: #1766bd; text-decoration: none; }
.callsigns-page a:hover { text-decoration: underline; }
.callsigns-page button, .callsigns-page input, .callsigns-page select { font: inherit; }
.callsigns-page button { border: 0; background: transparent; color: #1766bd; cursor: pointer; border-radius: 11px; padding: 10px 14px; }
.callsigns-page button:hover { background: #eaf3ff; }
.callsigns-page button:disabled { opacity: .45; cursor: default; }
.callsigns-page :focus-visible { outline: 2px solid #1473e6; outline-offset: 3px; }
.callsign-shell { width: min(1240px, 100%); margin: auto; padding: 24px 32px 32px; }
.callsign-hero { border-radius: 20px; padding: 35px 24px; text-align: center; color: #f5faff; background: linear-gradient(120deg, #173c59, #255e77); margin-bottom: 30px; }
.callsign-hero h1 { font-size: 36px; letter-spacing: -1px; margin: 0 0 10px; font-weight: 650; }
.callsign-hero p { margin: 0; color: #d5e4ef; }
.callsign-search { display: flex; gap: 8px; max-width: 550px; margin-bottom: 24px; }
.callsign-search input { flex: 1; width: 0; padding: 13px 17px; border: 1px solid #e0e7ee; border-radius: 12px; background: #fff; color: #182c40; }
.callsign-search button { background: #eaf3ff; }
.callsign-tabs { display: flex; flex-wrap: wrap; gap: 8px; border-bottom: 1px solid #dde5ee; margin-bottom: 20px; }
.callsign-tabs a { padding: 13px 18px; border: 1px solid transparent; border-radius: 10px 10px 0 0; margin-bottom: -1px; }
.callsign-tabs [aria-current] { background: #fff; color: #182c40; border-color: #dde5ee; border-bottom-color: #fff; }
.callsign-panel { background: #fff; border: 1px solid #e4eaf0; border-radius: 20px; overflow: hidden; box-shadow: 0 5px 20px #182c4004; }
.directory-heading { padding: 20px; display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.directory-heading h2 { margin: 0 0 5px; font-size: 18px; }
.directory-heading p { margin: 0; }
.directory-heading > div { min-width: 0; max-width: 100%; }
.directory-heading p, .airline-facts dd, .directory-sources p { overflow-wrap: anywhere; }
.airline-facts > div { min-width: 0; max-width: 100%; }
.secondary { color: #687b8f; font-size: 12px; }
.soft-action { display: inline-block; padding: 10px 14px; background: #eaf3ff; border-radius: 11px; }
.callsign-table { width: 100%; border-collapse: collapse; table-layout: fixed; font-size: 13px; }
.callsign-table th { text-align: left; background: #bfe5ec; color: #183c49; font-weight: 600; padding: 12px 14px; }
.callsign-table td { padding: 14px; border-top: 1px solid #e8edf3; overflow-wrap: anywhere; }
.callsign-table tbody tr:nth-child(even) { background: #f6f8fb; }
.callsign-table th:nth-child(1) { width: 5%; }
.callsign-table th:nth-child(2) { width: 8%; }
.callsign-table th:nth-child(3) { width: 16%; }
.callsign-table th:nth-child(4) { width: 7%; }
.callsign-table th:nth-child(5) { width: 42%; }
.callsign-table th:nth-child(6) { width: 17%; }
.callsign-table th:nth-child(7) { width: 5%; }
.icao-code { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; color: #1766bd; }
.callsign-table .icao-code { text-decoration: underline; }
.company-link { color: #182c40 !important; }
.callsign-table .radio-callsign { font-weight: 500; }
.callsign-table .audio-button { padding: 8px 4px; }
.mobile-country { display: none; }
.directory-pagination { padding: 16px 20px; border-top: 1px solid #e8edf3; display: flex; justify-content: space-between; gap: 12px; }
.directory-pagination div { display: flex; flex-wrap: wrap; gap: 22px; }
.letter-selector { display: flex; gap: 3px; flex-wrap: wrap; margin: 0 0 20px; }
.letter-selector a { padding: 8px 12px; border-radius: 9px; }
.letter-selector [aria-current] { background: #eaf3ff; color: #182c40; }
.country-group h2 { font-size: 24px; color: #1766bd; margin: 23px 0 8px; }
.country-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px 28px; }
.country-grid a { padding: 12px 3px; border-bottom: 1px solid #e0e7ee; display: flex; justify-content: space-between; gap: 12px; }
.callsign-footer { font-size: 11px; color: #687b8f; padding: 22px 3px 0; }
.audio-status { color: #1766bd; margin: 15px 0 0; }
.audio-status:empty { display: none; }
.back-link { display: inline-block; margin: 0 0 18px; }
.callsign-detail { padding: 30px; }
.callsign-detail h2 { font-size: 36px; letter-spacing: -.6px; margin: 8px 0; overflow-wrap: anywhere; }
.airline-facts { display: flex; gap: 26px; flex-wrap: wrap; padding: 20px 0; border-bottom: 1px solid #e8edf3; }
.airline-facts dt { color: #687b8f; font-size: 12px; }
.airline-facts dd { margin: 8px 0 0; max-width: 480px; }
.radio-example { background: #eaf3ff; padding: 24px; border-radius: 18px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.radio-example p { margin: 6px 0 0; font-size: 27px; overflow-wrap: anywhere; }
.callsigns-page .primary-action { display: inline-block; padding: 12px 18px; color: #fff; background: #1766bd; border-radius: 12px; }
.callsigns-page .primary-action:hover { background: #10569f; }
.detail-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 20px; }
.directory-sources { border-block: 1px solid #e8edf3; padding: 18px 0; margin: 24px 0; color: #687b8f; }
.related-airlines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.related-airlines a { display: flex; gap: 18px; padding: 12px 0; border-bottom: 1px solid #e8edf3; overflow-wrap: anywhere; }
.empty-state, .unavailable { padding: 35px; }
.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; }
[hidden] { display: none !important; }
@media (max-width: 900px) {
  .callsign-table .iata { display: none; }
  .callsign-table th:nth-child(3) { width: 19%; }
  .callsign-table th:nth-child(5) { width: 44%; }
  .callsign-table td, .callsign-table th { padding: 12px 10px; }
}
@media (max-width: 600px) {
  .callsign-shell { padding: 14px 12px 25px; }
  .callsign-hero { padding: 25px 14px; margin-bottom: 23px; }
  .callsign-hero h1 { font-size: 29px; }
  .callsign-search input, .callsigns-page select { font-size: 16px; }
  .callsign-tabs { gap: 0; }
  .callsign-tabs a { padding: 12px 10px; }
  .directory-heading { padding: 16px 13px; }
  .callsign-table .rank, .callsign-table .country-cell { display: none; }
  .callsign-table th:nth-child(2) { width: 48px; }
  .callsign-table th:nth-child(3) { width: 27%; }
  .callsign-table th:nth-child(5) { width: auto; }
  .callsign-table th:nth-child(7) { width: 50px; }
  .callsign-table td, .callsign-table th { padding: 12px 7px; }
  .callsign-table { font-size: 12px; }
  .callsign-table td:last-child { padding: 0 3px; }
  .callsign-table .audio-button { width: 44px; min-height: 44px; }
  .mobile-country { display: block; margin-top: 5px; }
  .country-grid, .related-airlines { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .callsign-detail { padding: 20px; }
  .callsign-detail h2 { font-size: 29px; }
  .radio-example { padding: 18px; }
  .radio-example p { font-size: 23px; }
  .callsigns-page button { min-height: 40px; }
  .letter-selector a { display: inline-flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
}