.tabs { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.tabs .tab { padding-inline: 10px; }
.tabs .tab-description { max-width: 190px; }
.seo-guide .seo-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.airline-field { margin-top: 18px; max-width: 600px; }
.airline-field .optional { color: #667a91; font-size: 12px; font-weight: 600; }
.airline-field-icon { display: inline-grid; place-items: center; flex: 0 0 22px; color: #087c70; font-size: 21px; }
.airline-explorer-form { display: grid; gap: 15px; }
.airline-start { border: 1px solid #d4e4df; border-radius: 12px; background: #f7fbf9; padding: 11px 15px; }
.airline-start summary { color: #146151; cursor: pointer; font-size: 14px; font-weight: 750; }
.airline-start .field-wrap { margin-top: 13px; max-width: 590px; }
.airline-notice { margin: 0 0 18px; padding: 16px 19px; border: 1px solid #b9d6cc; border-left: 5px solid #078268; border-radius: 13px; background: #f2fbf7; color: #1b4f43; font-size: 15px; line-height: 1.5; }
.airline-notice strong { display: block; margin-bottom: 3px; font-size: 17px; }
.airline-notice.alternative { border-color: #e8cfaa; border-left-color: #de8b2c; background: #fff9f0; color: #6b461e; }
.airline-source-note { margin: 15px 0 0; color: #52677a; font-size: 13px; line-height: 1.6; }
.airline-directory { margin: 18px 0; padding: 16px; border: 1px solid #d7e6e1; border-radius: 15px; background: #f6fbf9; }
.airline-directory strong { display: block; margin-bottom: 11px; color: #164d43; font-size: 16px; }
.airline-directory input { display: block; width: 100%; max-width: 430px; min-height: 46px; margin-bottom: 12px; padding: 10px 13px; border: 1px solid #bdd1ca; border-radius: 9px; background: #fff; color: #173d36; font-size: 15px; }
.airline-directory-list { display: flex; flex-wrap: wrap; gap: 8px; max-height: 195px; overflow-y: auto; }
.airline-directory-list button { padding: 9px 11px; border: 1px solid #cae1d7; border-radius: 9px; background: #fff; color: #185448; font-size: 13px; font-weight: 700; }
.airline-directory-list button:hover, .airline-directory-list button:focus-visible { border-color: #0e8e70; background: #eaf9f2; }
.airline-departures { margin: 17px 0; padding: 15px; border: 1px solid #c7dfd5; border-radius: 13px; background: #f4fbf8; }
.airline-departures > strong { display: block; margin-bottom: 11px; color: #174b42; font-size: 15px; }
.airline-departure-options { display: flex; flex-wrap: wrap; gap: 8px; max-height: 172px; overflow: auto; }
.airline-departure-options button { min-height: 38px; padding: 7px 11px; border: 1px solid #b2d5c8; border-radius: 9px; background: #fff; color: #164a41; font-size: 13px; font-weight: 740; cursor: pointer; }
.airline-departure-options button[aria-pressed="true"] { border-color: #087c68; background: #087c68; color: #fff; }
.airline-departure-options button:focus-visible { outline: 3px solid #f89a38; outline-offset: 2px; }
.airline-explorer-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 17px 0; }
.airline-explorer-actions button { min-height: 43px; padding: 10px 14px; border: 1px solid #149070; border-radius: 10px; background: #0e8068; color: #fff; font-size: 14px; font-weight: 760; }
.airline-explorer-actions button.secondary { background: #fff; color: #0e6e5c; }
.airline-explorer-actions button:disabled { opacity: .55; cursor: wait; }
.results.airline-results .results-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
.results.airline-results .route-card { scroll-margin-top: 24px; }
.airline-selection { border: 1px solid #9fcfc1; background: #e9f8f1; color: #075a46; font-size: 12px; font-weight: 800; border-radius: 999px; padding: 5px 9px; }
@media (max-width: 680px) {
  .tabs { grid-template-columns: 1fr; }
  .seo-guide .seo-steps { grid-template-columns: 1fr; }
  .airline-field { max-width: none; }
  .airline-directory { padding: 12px; }
  .airline-directory-list { max-height: 165px; }
  .airline-notice { padding: 13px; }
}