.fdf-wrap{max-width:850px;margin:24px auto;padding:24px;border:1px solid #e3e7eb;border-radius:14px;background:#fff;color:#17202a;box-shadow:0 4px 18px rgba(0,0,0,.05)}
.fdf-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.fdf-field{display:flex;flex-direction:column;gap:6px}
.fdf-field label,.fdf-airports legend{font-weight:700}
.fdf-field input{width:100%;min-height:42px;padding:8px 10px;border:1px solid #cbd2d9;border-radius:7px}
.fdf-field small,.fdf-check small{color:#66717c;font-size:.85em}
.fdf-airports{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px 20px;margin:0;padding:14px;border:1px solid #d9e0e6;border-radius:8px}
.fdf-airports legend{padding:0 6px}
.fdf-check{display:flex;align-items:center;gap:7px}
.fdf-form button{grid-column:1/-1;justify-self:start;border:0;border-radius:8px;padding:12px 20px;background:#087e8b;color:#fff;font-weight:700;cursor:pointer}
.fdf-form button:hover{filter:brightness(.93)}
.fdf-results{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;margin-top:18px}
.fdf-result{padding:16px;border:1px solid #dce3e8;border-radius:10px;background:#f8fafb}
.fdf-result h3{margin:0 0 8px;font-size:1.05rem}
.fdf-result a{display:inline-block;margin-top:8px;color:#087e8b;font-weight:700}
.fdf-note{margin:16px 0 0;color:#66717c;font-size:.9em}
.fdf-error{grid-column:1/-1;color:#b42318;margin:0}
@media(max-width:600px){.fdf-wrap{padding:16px}.fdf-form{grid-template-columns:1fr}.fdf-airports,.fdf-form button{grid-column:1}}