:root{--bg: #f7f8fb;--fg: #1a1f2e;--muted: #5a6378;--primary: #0b5fff;--primary-dark: #003db8;--success: #15803d;--danger: #b91c1c;--warn: #b45309;--border: #e1e4ec;--card: #ffffff;--shadow: 0 1px 3px rgba(0, 0, 0, .04), 0 4px 12px rgba(0, 0, 0, .04);--radius: 12px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg)}.topbar{display:flex;align-items:center;gap:24px;padding:12px 24px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{text-decoration:none;color:var(--fg);font-size:1.25rem}.topbar nav{display:flex;gap:16px;flex:1}.topbar nav a{text-decoration:none;color:var(--muted);padding:6px 10px;border-radius:8px}.topbar nav a.active,.topbar nav a:hover{color:var(--primary);background:#0b5fff14}#auth-slot{display:flex;gap:8px;align-items:center}.who{color:var(--muted);font-size:.9rem}main{max-width:980px;margin:0 auto;padding:24px}.hero{text-align:center;margin-bottom:24px}.hero h1{margin:0 0 8px;font-size:2rem}.hero p{color:var(--muted);margin:0}.search-form{background:var(--card);padding:20px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}.search-form .row{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:12px}.search-form label{display:flex;flex-direction:column;font-size:.85rem;color:var(--muted);gap:4px}.search-form input,.search-form select{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:#fff;color:var(--fg)}.search-form input:focus,.search-form select:focus{outline:2px solid var(--primary);border-color:var(--primary)}.search-form fieldset{border:1px solid var(--border);border-radius:8px;padding:12px;margin-top:16px}.search-form legend{padding:0 6px;font-size:.85rem;color:var(--muted)}.priorities{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.priorities label{flex-direction:row;align-items:center;gap:8px}.priorities input[type=range]{flex:1}.advanced label{flex-direction:row;align-items:center;gap:8px;margin-right:16px}.btn{padding:8px 16px;border-radius:8px;border:none;cursor:pointer;font-size:.95rem;font-weight:500;text-decoration:none;display:inline-block}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-outline{background:#fff;border:1px solid var(--border);color:var(--fg)}.btn-ghost{background:transparent;color:var(--muted)}.btn-ghost:hover{color:var(--primary)}.btn-danger{background:#fff;color:var(--danger);border:1px solid var(--danger)}.btn:disabled{opacity:.5;cursor:not-allowed}.search-status{margin:16px 0 8px;color:var(--muted)}#ai-panels{display:grid;gap:12px;grid-template-columns:1fr 1fr;margin-bottom:16px}@media (max-width: 700px){#ai-panels{grid-template-columns:1fr}}.best-pick,.trend{background:var(--card);padding:16px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}.best-pick h3{margin:0 0 8px;font-size:1rem}.best-pick-reason{margin:0}.best-pick-runnerup{margin:8px 0 0;color:var(--muted)}.trend-head{font-size:1.05rem;margin-bottom:6px}.trend-body p{margin:8px 0 4px;color:var(--muted)}.trend-buy{border-left:4px solid var(--success)}.trend-wait{border-left:4px solid var(--warn)}.trend-monitor{border-left:4px solid var(--muted)}.trend-error{color:var(--muted)}.results{display:grid;gap:12px}.offer{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);display:grid;grid-template-columns:1fr auto;gap:16px;padding:16px;box-shadow:var(--shadow)}.offer-recommended{border-color:var(--primary);border-width:2px}.offer-route{font-size:1.1rem;margin-bottom:4px}.offer-route .arrow{color:var(--muted);margin:0 8px}.offer-meta{color:var(--muted);font-size:.9rem;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.airline{color:var(--fg)}.tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:.75rem;margin-left:8px;background:#fef3c7;color:#92400e}.tag-self-transfer{background:#fef3c7;color:#92400e}.tag-hidden-city{background:#fee2e2;color:#991b1b}.offer-warnings{margin-top:8px}.offer-warnings summary{cursor:pointer;color:var(--warn)}.offer-warnings ul{margin:8px 0 0;padding-left:20px;color:var(--muted)}.offer-side{text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:4px}.price strong{font-size:1.3rem}.source{color:var(--muted)}.actions{display:flex;gap:6px;margin-top:6px}.co2{display:inline-block;padding:2px 8px;border-radius:6px;font-size:.8rem}.co2-low{background:#dcfce7;color:#15803d}.co2-mid{background:#fef9c3;color:#854d0e}.co2-high{background:#fee2e2;color:#991b1b}.addon-card{background:var(--card);padding:16px;border-radius:var(--radius);border:1px solid var(--border);margin-top:24px}.addon-card h4{margin:0 0 4px}.watch-card{background:var(--card);padding:16px;border-radius:var(--radius);border:1px solid var(--border);margin-bottom:12px}.watch-card header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.watch-prices{display:flex;gap:16px;margin-bottom:8px;font-size:.95rem}.muted{color:var(--muted)}.spark{color:var(--primary);display:block;margin:4px 0}.about{background:var(--card);padding:24px;border-radius:var(--radius);border:1px solid var(--border)}.about ul{line-height:1.7}footer{text-align:center;padding:24px;color:var(--muted)}