:root{--ink:#0f172a;--muted:#64748b;--line:#dce3ec;--surface:#fff;--accent:#e94d35;--accent-dark:#c83222;--sky:#e8f2fb;--radius:20px;--feed-shell-max:512px;--feed-media-max:480px;--feed-media-block-max:min(560px, 75svh);color:var(--ink);font-synthesis:none;text-rendering:optimizelegibility;background:#dfeaf3;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:radial-gradient(circle at 15% 10%,#ffffffb8,#0000 32rem),linear-gradient(155deg,#d9e7f1,#eef3f6 52%,#d9e5ee);min-height:100%}body{min-width:320px;min-height:100vh;padding-bottom:env(safe-area-inset-bottom);margin:0}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit}.app-header{z-index:20;min-height:calc(68px + env(safe-area-inset-top));padding:env(safe-area-inset-top) max(18px, env(safe-area-inset-right)) 0 max(18px, env(safe-area-inset-left));backdrop-filter:blur(18px)saturate(1.2);background:#eff6fad6;border-bottom:1px solid #ffffff8c;align-items:center;display:flex;position:sticky;top:0}.app-header.compact{gap:14px}.brand{align-items:center;gap:12px;text-decoration:none;display:inline-flex}.brand>span:last-child{display:grid}.brand strong{letter-spacing:-.02em;font-size:1.04rem}.brand small{color:var(--muted);margin-top:2px;font-size:.72rem}.brand-mark{object-fit:contain;background:0 0;border-radius:50%;flex:none;width:40px;height:40px}.app-header.compact .brand-mark{border-radius:50%;width:32px;height:32px}.back-link{background:#ffffffbd;border:1px solid #64748b2e;border-radius:50%;flex:none;place-items:center;width:44px;height:44px;font-size:1.25rem;text-decoration:none;display:grid}.back-link .reader-icon{stroke-width:2px;width:24px;height:24px}.feed-shell{width:min(100%, var(--feed-shell-max));margin:0 auto;padding:20px 16px 80px}.permalink-shell{padding-top:32px}.feed-stream{display:block}.sr-only{clip:rect(0, 0, 0, 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4px;font-size:14px;line-height:24px;display:flex}.departure-options label:has(input:checked){color:#1267a7;background:#f1f6fa}.departure-options input{accent-color:#1267a7;cursor:pointer;flex:none;width:18px;height:18px;margin:0}.departure-panel-footer{justify-content:space-between;align-items:center;gap:12px;padding-top:8px;display:flex}.filter-reset,.filter-done{min-height:44px;color:var(--ink);cursor:pointer;background:0 0;border:0;border-radius:8px;padding:8px 12px;font-size:14px}.filter-reset{color:var(--muted)}.filter-done{color:#1267a7;background:#edf3f7;font-weight:600}.filter-done:disabled{color:var(--muted);opacity:.55;cursor:default}.city-search-empty{color:var(--muted);font-size:14px}.favorite-button,.share-button{width:44px;height:44px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:10px;flex:none;place-items:center;padding:0;display:grid}.favorite-button.selected{color:#1267a7}.favorite-button.selected 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