/* Simple modern responsive styles */
:root{--accent:#0ea5a4;--dark:#0f172a;--muted:#6b7280;--bg:#f8fafc}
*{box-sizing:border-box}
body{font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial;margin:0;background:var(--bg);color:var(--dark);-webkit-font-smoothing:antialiased}
.container{max-width:1100px;margin:20px auto;padding:0 16px}
.site-header{background:#fff;border-bottom:1px solid #eef2f7}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{font-weight:800;color:var(--accent);font-size:1.25rem}
.nav a{margin-left:12px;color:var(--dark);text-decoration:none}
.btn{background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}
.card{background:#fff;border-radius:12px;padding:18px;box-shadow:0 8px 30px rgba(15,23,42,0.06);margin-bottom:16px}
input,select,textarea{width:100%;padding:10px;border:1px solid #e6e9ee;border-radius:8px;margin-top:6px}
.grid{display:grid;gap:12px}
.row{display:flex;gap:12px}
.row > div{flex:1}
.muted{color:var(--muted)}
.flight-card{border-radius:10px;padding:12px;border:1px solid #eef2f7;background:linear-gradient(180deg,#fff,#fbfdff);display:flex;justify-content:space-between;align-items:center}
.flight-left{flex:1}
.flight-right{text-align:right;min-width:180px}
table{width:100%;border-collapse:collapse}
th,td{padding:8px;border-bottom:1px solid #f1f5f9;text-align:left}
/* responsive */
@media (max-width:800px){
  .row{flex-direction:column}
  .flight-right{text-align:left;min-width:0;margin-top:8px}
  .header-inner{flex-direction:column;align-items:flex-start;gap:8px}
}