:root {
            --primary:    #005666;
            --primary-dk: #003d4a;
            --primary-lg: #e0f2f5;
            --accent:     #d4af37;
            --accent-lt:  #f5e9b8;
            --danger:     #e74c3c;
            --success:    #27ae60;
            --bg:         #f4f7f8;
            --card:       #ffffff;
            --txt:        #1a2e35;
            --txt-muted:  #6b8591;
            --border:     #dde8eb;
            --sidebar-w:  260px;
            --radius:     14px;
            --shadow:     0 4px 24px rgba(0,86,102,.10);
            --shadow-lg:  0 12px 40px rgba(0,86,102,.18);
            --font-head:  'Playfair Display', serif;
            --font-body:  'Be Vietnam Pro', sans-serif;
        }
        *,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
        html{scroll-behavior:smooth;}
        body{font-family:var(--font-body);background:var(--bg);color:var(--txt);display:flex;overflow-x:hidden;min-height:100vh;}
        a{text-decoration:none;color:inherit;}
        img{display:block;max-width:100%;}
        ::-webkit-scrollbar{width:5px;height:5px;}
        ::-webkit-scrollbar-track{background:transparent;}
        ::-webkit-scrollbar-thumb{background:rgba(0,86,102,.25);border-radius:99px;}
        ::-webkit-scrollbar-thumb:hover{background:rgba(0,86,102,.5);}

        /* ── SIDEBAR ── */
        #sidebar{width:var(--sidebar-w);min-height:100vh;height:100vh;position:fixed;top:0;left:0;background:linear-gradient(175deg,var(--primary-dk) 0%,var(--primary) 100%);color:#fff;display:flex;flex-direction:column;z-index:200;box-shadow:3px 0 20px rgba(0,0,0,.15);}
        .sidebar-logo{padding:28px 24px 20px;display:flex;align-items:center;gap:12px;font-family:var(--font-head);font-size:26px;letter-spacing:.5px;cursor:pointer;border-bottom:1px solid rgba(255,255,255,.1);color:#fff;user-select:none;}
        .sidebar-logo .icon-wrap{width:42px;height:42px;background:rgba(255,255,255,.15);border-radius:12px;display:grid;place-items:center;font-size:20px;}
        .logo-sub{font-family:var(--font-body);font-size:11px;font-weight:300;opacity:.6;letter-spacing:2px;text-transform:uppercase;display:block;margin-top:2px;}
        .menu{list-style:none;flex:1;overflow-y:auto;padding:10px 0;}
.menu-item{display:flex;align-items:center;gap:14px;padding:12px 24px;cursor:pointer;color:rgba(255,255,255,.72);font-size:14px;font-weight:500;border-left:3px solid transparent;transition:all .2s;position:relative;}
        .menu-item:hover{background:rgba(255,255,255,.08);color:#fff;}
        .menu-item.active{background:rgba(255,255,255,.13);color:#fff;border-left-color:var(--accent);}
        .menu-item.submenu-active{background:rgba(255,255,255,.08);color:#fff;}
        .menu-item i{width:20px;text-align:center;font-size:15px;flex-shrink:0;}
        .menu-item .badge-pill{margin-left:auto;background:var(--accent);color:#1a2e35;font-size:10px;font-weight:700;padding:2px 7px;border-radius:99px;}
        .menu-sep{height:1px;background:rgba(255,255,255,.08);margin:8px 16px;}
        .sidebar-bottom{padding:18px 16px 22px;}
        .chat-btn{width:100%;padding:10px 16px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;font-family:var(--font-body);font-size:13px;font-weight:600;border-radius:99px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:.2s;margin-bottom:14px;}
        .chat-btn:hover{background:rgba(255,255,255,.22);}
        .miles-box{background:rgba(0,0,0,.2);border-radius:12px;padding:16px;text-align:center;}
        .miles-box h5{font-size:11px;letter-spacing:2.5px;text-transform:uppercase;margin-bottom:12px;opacity:.7;}
        .auth-row{display:flex;gap:8px;}
        .auth-row button{flex:1;padding:9px 8px;border-radius:8px;border:none;font-family:var(--font-body);font-size:13px;font-weight:700;cursor:pointer;transition:.2s;}
        .btn-login-side{background:var(--primary-dk);color:#fff;}
        .btn-login-side:hover{background:#001f26;}
        .btn-reg-side{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)!important;}
        .btn-reg-side:hover{background:rgba(255,255,255,.15);}

        /* ── FLYOUT ── */
        .flyout{display:none;position:fixed;left:var(--sidebar-w);width:310px;max-height:calc(100vh - 20px);overflow-y:auto;background:#e8f5f8;color:var(--txt);border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow-lg);z-index:199;padding:22px 22px 16px;animation:slideRight .18s ease;}
        @keyframes slideRight{from{opacity:0;transform:translateX(-8px)}to{opacity:1;transform:translateX(0)}}
        .flyout-close{position:absolute;right:14px;top:14px;width:28px;height:28px;border-radius:50%;background:rgba(0,86,102,.1);display:grid;place-items:center;cursor:pointer;font-size:14px;color:var(--primary-dk);transition:.2s;}
        .flyout-close:hover{background:var(--danger);color:#fff;}
.flyout-heading{font-size:13px;font-weight:700;color:var(--primary-dk);text-transform:uppercase;letter-spacing:1px;margin:18px 0 8px;padding-bottom:6px;border-bottom:1px solid #c5dde3;display:flex;align-items:center;gap:8px;}
        .flyout-heading:first-of-type{margin-top:0;}
        .flyout-list{list-style:none;margin-bottom:8px;}
        .flyout-list li{padding:9px 10px 9px 28px;font-size:13.5px;color:#2c4a54;cursor:pointer;border-radius:8px;transition:.18s;line-height:1.4;}
        .flyout-list li:hover{background:rgba(0,86,102,.1);color:var(--primary-dk);font-weight:600;}

        /* ── MAIN ── */
        #main{margin-left:var(--sidebar-w);flex:1;min-width:0;display:flex;flex-direction:column;}
        .topbar{background:#fff;border-bottom:1px solid var(--border);padding:0 40px;height:60px;display:flex;align-items:center;gap:20px;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.04);}
        .topbar-search{flex:1;max-width:420px;background:var(--bg);border:1px solid var(--border);border-radius:99px;display:flex;align-items:center;gap:10px;padding:0 16px;height:38px;}
        .topbar-search input{flex:1;border:none;background:transparent;font-family:var(--font-body);font-size:13px;color:var(--txt);outline:none;}
        .topbar-search input::placeholder{color:var(--txt-muted);}
        .topbar-search i{color:var(--txt-muted);font-size:13px;}
        .topbar-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
        .topbar-icon{width:36px;height:36px;border-radius:50%;background:var(--bg);border:1px solid var(--border);display:grid;place-items:center;cursor:pointer;color:var(--txt-muted);font-size:14px;transition:.2s;position:relative;}
        .topbar-icon:hover{background:var(--primary-lg);color:var(--primary);border-color:var(--primary);}
        .topbar-icon .notif-dot{position:absolute;top:6px;right:6px;width:8px;height:8px;border-radius:50%;background:var(--danger);border:2px solid #fff;}
        .topbar-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));display:grid;place-items:center;color:#fff;font-weight:700;font-size:14px;cursor:pointer;}
        .topbar-breadcrumb{font-size:13px;color:var(--txt-muted);display:flex;align-items:center;gap:6px;}
        .topbar-breadcrumb span.current{color:var(--primary);font-weight:600;}
        .topbar-breadcrumb i{font-size:10px;}

        /* ── TABS ── */
        .tab-content{display:none;animation:fadeIn .35s ease;}
        .tab-content.active{display:block;}
        @keyframes fadeIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
        .page-body{padding:32px 40px 60px;flex:1;}

        /* ── COMMON ── */
        .card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border);}
.card-pad{padding:28px;}
        .section-title{font-family:var(--font-head);font-size:26px;color:var(--txt);margin-bottom:6px;}
        .section-sub{font-size:14px;color:var(--txt-muted);margin-bottom:24px;}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:11px 24px;border:none;border-radius:8px;font-family:var(--font-body);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;}
        .btn-primary{background:var(--primary);color:#fff;}
        .btn-primary:hover{background:var(--primary-dk);box-shadow:0 4px 14px rgba(0,86,102,.35);transform:translateY(-1px);}
        .btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary);}
        .btn-outline:hover{background:var(--primary);color:#fff;}
        .btn-gold{background:var(--accent);color:#1a2e35;}
        .btn-gold:hover{background:#c5a02e;box-shadow:0 4px 14px rgba(212,175,55,.35);}
        .btn-danger{background:var(--danger);color:#fff;}
        .btn-danger:hover{background:#c0392b;}
        .btn-sm{padding:7px 16px;font-size:13px;}
        .btn-full{width:100%;justify-content:center;}
        .badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:99px;font-size:12px;font-weight:700;}
        .badge-primary{background:var(--primary-lg);color:var(--primary);}
        .badge-gold{background:var(--accent-lt);color:#8a6d00;}
        .badge-success{background:#d5f5e3;color:#1a7a42;}
        .badge-danger{background:#fde8e6;color:#b03a2e;}
        .badge-muted{background:#ecf0f1;color:var(--txt-muted);}
        .badge-night{background:#1a2e35;color:#a8d8e0;}

        /* ── TICKER ── */
        .ticker{background:var(--primary-lg);border:1px solid #b8dde5;border-radius:99px;display:flex;align-items:center;gap:14px;padding:10px 20px;font-size:13px;margin-bottom:28px;}
        .ticker-nav{margin-left:auto;display:flex;align-items:center;gap:10px;color:var(--txt-muted);font-size:12px;}
        .ticker-nav button{background:none;border:none;cursor:pointer;color:var(--txt-muted);padding:0 4px;}
        .ticker-nav button:hover{color:var(--primary);}

        /* ── HERO SEARCH ── */
        .hero-search{background:linear-gradient(135deg,var(--primary-dk) 0%,var(--primary) 60%,#007a90 100%);border-radius:var(--radius);padding:36px 36px 32px;color:#fff;margin-bottom:32px;position:relative;overflow:hidden;}
        .hero-search::before{content:'';position:absolute;top:-60px;right:-40px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.05);}
        .hero-search::after{content:'';position:absolute;bottom:-80px;left:30%;width:200px;height:200px;border-radius:50%;background:rgba(212,175,55,.08);}
        .hero-heading{font-family:var(--font-head);font-size:32px;margin-bottom:6px;position:relative;z-index:1;}
        .hero-heading span{color:var(--accent);}
.hero-sub{font-size:14px;opacity:.8;margin-bottom:28px;position:relative;z-index:1;}
        .search-tabs{display:flex;gap:4px;margin-bottom:20px;position:relative;z-index:1;}
        .search-tab{padding:8px 18px;border-radius:99px;font-size:13px;font-weight:600;cursor:pointer;color:rgba(255,255,255,.65);border:1px solid transparent;transition:.2s;}
        .search-tab.active{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.3);}
        .search-tab:hover{color:#fff;}
        .trip-radio{display:flex;gap:18px;margin-bottom:18px;position:relative;z-index:1;}
        .trip-radio label{font-size:13px;font-weight:500;color:rgba(255,255,255,.8);display:flex;align-items:center;gap:6px;cursor:pointer;}
        .trip-radio input[type=radio]{accent-color:var(--accent);}
        .sf-group{display:flex;flex-direction:column;gap:5px;}
        .sf-group label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;opacity:.7;}
        .sf-group input,.sf-group select{padding:12px 14px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:10px;color:#fff;font-family:var(--font-body);font-size:14px;outline:none;transition:.2s;backdrop-filter:blur(4px);}
        .sf-group input::placeholder{color:rgba(255,255,255,.55);}
        .sf-group input:focus,.sf-group select:focus{background:rgba(255,255,255,.22);border-color:var(--accent);}
        .sf-group select option{background:var(--primary-dk);}
        .sf-swap{width:36px;height:36px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);border-radius:50%;display:grid;place-items:center;cursor:pointer;color:#fff;font-size:14px;align-self:flex-end;transition:.2s;}
        .sf-swap:hover{background:rgba(255,255,255,.25);transform:rotate(180deg);}
        .search-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;position:relative;z-index:1;}

        /* ── FLIGHT DESTINATION CARDS ── */
        .flights-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;flex-wrap:wrap;gap:12px;}
        .filter-pills{display:flex;gap:8px;flex-wrap:wrap;}
        .filter-pill{padding:6px 14px;border-radius:99px;font-size:12.5px;font-weight:600;border:1.5px solid var(--border);background:var(--card);color:var(--txt-muted);cursor:pointer;transition:.2s;}
        .filter-pill:hover,.filter-pill.active{border-color:var(--primary);color:var(--primary);background:var(--primary-lg);}
        .flights-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px;margin-bottom:36px;}
        .flight-card{border-radius:var(--radius);overflow:hidden;position:relative;cursor:pointer;transition:transform .25s,box-shadow .25s;box-shadow:0 2px 14px rgba(0,0,0,.12);min-height:220px;}
.flight-card:hover{transform:translateY(-6px);box-shadow:0 14px 32px rgba(0,0,0,.18);}
        .fc-bg{width:100%;height:220px;display:flex;align-items:center;justify-content:center;font-size:64px;position:relative;}
        .fc-bg-nhatrang{background:linear-gradient(135deg,#0077b6,#00b4d8,#48cae4,#90e0ef);}
        .fc-bg-danang{background:linear-gradient(135deg,#023e8a,#0077b6,#0096c7,#48cae4);}
        .fc-bg-hcm{background:linear-gradient(135deg,#d62828,#f77f00,#fcbf49,#eae2b7);}
        .fc-bg-phuquoc{background:linear-gradient(135deg,#007f5f,#2d6a4f,#40916c,#52b788);}
        .fc-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.85) 0%,rgba(0,0,0,.2) 55%,transparent 100%);}
        .fc-body{position:absolute;bottom:0;left:0;right:0;padding:16px;color:#fff;}
        .fc-route{font-size:13px;font-weight:600;margin-bottom:4px;opacity:.85;}
        .fc-city{font-family:var(--font-head);font-size:18px;margin-bottom:8px;line-height:1.2;}
        .fc-price{font-size:16px;font-weight:700;color:var(--accent);}
        .fc-meta{font-size:11px;opacity:.6;margin-bottom:10px;}
        .fc-buy{width:100%;padding:8px;background:var(--primary);border:none;border-radius:6px;color:#fff;font-family:var(--font-body);font-size:13px;font-weight:700;cursor:pointer;transition:.2s;}
        .fc-buy:hover{background:var(--accent);color:#1a2e35;}

        /* ── STATS STRIP ── */
        .stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px;}
        .stat-card{background:var(--card);border-radius:var(--radius);padding:22px 24px;border:1px solid var(--border);display:flex;align-items:center;gap:16px;}
        .stat-icon{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:20px;flex-shrink:0;}
        .stat-icon.teal{background:var(--primary-lg);color:var(--primary);}
        .stat-icon.gold{background:var(--accent-lt);color:#8a6d00;}
        .stat-icon.green{background:#d5f5e3;color:#1a7a42;}
        .stat-icon.red{background:#fde8e6;color:#b03a2e;}
        .stat-val{font-family:var(--font-head);font-size:26px;color:var(--txt);line-height:1;}
        .stat-lbl{font-size:12px;color:var(--txt-muted);margin-top:4px;}

        /* ── CULTURE ── */
        .culture{display:grid;grid-template-columns:1fr auto 1fr;gap:36px;align-items:center;background:var(--card);border-radius:var(--radius);padding:44px;margin-bottom:36px;border:1px solid var(--border);box-shadow:var(--shadow);}
        .culture h2{font-family:var(--font-head);font-size:34px;line-height:1.2;margin-bottom:14px;}
        .culture h2 span{color:var(--accent);}
        .culture p{font-size:14px;color:var(--txt-muted);line-height:1.7;margin-bottom:22px;}
.phone-wrap{width:200px;background:#1a1a2e;border-radius:32px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,.3),inset 0 0 0 8px #111;position:relative;}
        .phone-screen{width:100%;height:380px;background:linear-gradient(160deg,#005666 0%,#007a90 40%,#d4af37 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:20px;}
        .phone-screen .ph-icon{font-size:56px;color:rgba(255,255,255,.9);}
        .phone-screen .ph-txt{font-family:var(--font-head);font-size:20px;color:#fff;text-align:center;line-height:1.3;}
        .phone-screen .ph-sub{font-size:11px;color:rgba(255,255,255,.7);text-align:center;letter-spacing:1px;}
        .culture-social{display:flex;flex-direction:column;gap:12px;}
        .social-comment{background:var(--bg);border-radius:12px;padding:14px 16px;display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--txt-muted);border:1px solid var(--border);}
        .social-comment i{color:var(--primary);margin-top:2px;flex-shrink:0;}
        .culture-nums{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
        .cnum{background:var(--primary-lg);border-radius:12px;padding:16px;text-align:center;}
        .cnum h3{font-family:var(--font-head);font-size:26px;color:var(--primary);}
        .cnum p{font-size:11px;color:var(--txt-muted);margin-top:4px;}

        /* ── AD BANNER ── */
        .ad-banner{background:linear-gradient(120deg,var(--primary-dk) 0%,var(--primary) 50%,#007a90 100%);border-radius:var(--radius);padding:44px 50px;display:flex;align-items:center;position:relative;overflow:hidden;margin-bottom:36px;min-height:220px;}
        .ad-banner::after{content:'';position:absolute;right:-50px;top:-50px;width:350px;height:350px;border-radius:50%;background:rgba(255,255,255,.04);}
        .ad-banner::before{content:'✈';position:absolute;right:80px;top:50%;transform:translateY(-50%);font-size:120px;opacity:.05;z-index:0;}
        .ad-text{position:relative;z-index:2;}
        .ad-text h2{font-family:var(--font-head);font-size:32px;color:var(--accent);margin-bottom:8px;line-height:1.2;}
        .ad-text p{color:rgba(255,255,255,.8);margin-bottom:22px;font-size:15px;}

        /* ── TOOLS ── */
        .tools-row{display:flex;gap:36px;flex-wrap:wrap;margin-bottom:36px;}
        .tools-col{flex:1;min-width:280px;}
        .tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px;}
        .tool-item{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:18px 10px;text-align:center;cursor:pointer;transition:.2s;}
        .tool-item:hover{border-color:var(--primary);box-shadow:0 4px 14px rgba(0,86,102,.12);transform:translateY(-2px);}
.tool-icon-wrap{width:50px;height:50px;border-radius:14px;background:var(--primary-lg);color:var(--primary);font-size:20px;display:grid;place-items:center;margin:0 auto 10px;transition:.2s;}
        .tool-item:hover .tool-icon-wrap{background:var(--primary);color:#fff;}
        .tool-label{font-size:12px;font-weight:600;color:var(--txt-muted);}
        .tool-item:hover .tool-label{color:var(--primary);}
        .newsletter{background:var(--card);border-radius:var(--radius);padding:28px;border:1px solid var(--border);}
        .newsletter h3{font-family:var(--font-head);font-size:22px;margin-bottom:8px;}
        .newsletter p{font-size:13px;color:var(--txt-muted);margin-bottom:20px;}
        .nl-form{display:flex;gap:10px;flex-wrap:wrap;}
        .nl-form input{flex:1;min-width:200px;padding:12px 16px;border:1.5px solid var(--border);border-radius:8px;font-family:var(--font-body);font-size:14px;outline:none;transition:.2s;}
        .nl-form input:focus{border-color:var(--primary);}

        /* ── BOOKING TAB ── */
        .booking-wrap{max-width:820px;}
        .form-group{display:flex;flex-direction:column;gap:5px;}
        .form-group label{font-size:13px;font-weight:600;color:var(--txt-muted);}
        .form-group input,.form-group select{padding:12px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:var(--font-body);font-size:14px;color:var(--txt);outline:none;background:var(--card);transition:.2s;}
        .form-group input:focus,.form-group select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,86,102,.08);}
        .form-row{display:flex;gap:14px;flex-wrap:wrap;}
        .form-row .form-group{flex:1;min-width:180px;}
        .swap-btn{display:flex;align-items:flex-end;padding-bottom:12px;color:var(--primary);font-size:18px;cursor:pointer;transition:.2s;}
        .swap-btn:hover{color:var(--accent);transform:scale(1.2);}
        .promo-row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-top:8px;}
        .promo-row .form-group{flex:2;}

        /* ── SERVICES TAB ── */
        .services-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:20px;}
        .svc-card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:all .25s;cursor:pointer;}
        .svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
        .svc-icon-top{padding:36px 28px 20px;display:flex;align-items:center;justify-content:center;font-size:48px;}
        .svc-icon-top.c1{background:linear-gradient(135deg,#e0f2f5,#c8eaf0);color:var(--primary);}
        .svc-icon-top.c2{background:linear-gradient(135deg,#fef9e7,#fdf0b5);color:#8a6d00;}
        .svc-icon-top.c3{background:linear-gradient(135deg,#fde8e6,#fbd4d0);color:var(--danger);}
.svc-icon-top.c4{background:linear-gradient(135deg,#d5f5e3,#b8f0cf);color:#1a7a42;}
        .svc-body{padding:20px 24px;}
        .svc-body h4{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--txt);}
        .svc-body p{font-size:13px;color:var(--txt-muted);line-height:1.6;margin-bottom:18px;}

        /* ── ITINERARY TAB ── */
        .itin-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
        .itin-card{background:var(--card);border-radius:var(--radius);padding:28px;border:1px solid var(--border);}
        .itin-card h3{font-size:18px;font-weight:700;margin-bottom:20px;color:var(--primary-dk);display:flex;align-items:center;gap:10px;}

        /* ── EXPERIENCE TAB ── */
        .exp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:22px;}
        .exp-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);}
        .exp-illustration{width:100%;height:200px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;position:relative;overflow:hidden;}
        .exp-ill-business{background:linear-gradient(135deg,#1a2e35 0%,#003d4a 60%,#005666 100%);}
        .exp-ill-economy{background:linear-gradient(135deg,#005666 0%,#007a90 60%,#00a0b5 100%);}
        .exp-ill-entertainment{background:linear-gradient(135deg,#2c3e50 0%,#3d5a6a 60%,#4a7080 100%);}
        .exp-illustration .exp-ill-icon{font-size:56px;z-index:1;}
        .exp-illustration .exp-ill-label{font-family:var(--font-head);font-size:16px;color:rgba(255,255,255,.8);z-index:1;}
        .exp-illustration::before{content:'';position:absolute;top:-30px;right:-30px;width:120px;height:120px;border-radius:50%;background:rgba(255,255,255,.04);}
        .exp-illustration::after{content:'';position:absolute;bottom:-20px;left:10%;width:80px;height:80px;border-radius:50%;background:rgba(212,175,55,.08);}
        .exp-body{padding:22px;background:var(--card);}
        .exp-body h4{font-family:var(--font-head);font-size:20px;margin-bottom:8px;}
        .exp-body p{font-size:13.5px;color:var(--txt-muted);line-height:1.6;}

        /* ── LOTUSMILES TAB ── */
        .miles-hero{background:linear-gradient(135deg,#1a2e35 0%,var(--primary-dk) 50%,#003d4a 100%);border-radius:var(--radius);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;color:#fff;margin-bottom:28px;}
        .miles-hero h2{font-family:var(--font-head);font-size:36px;margin-bottom:12px;}
        .miles-hero h2 span{color:var(--accent);}
        .miles-hero p{font-size:14px;opacity:.8;line-height:1.7;margin-bottom:24px;}
.miles-visual{background:linear-gradient(135deg,rgba(255,255,255,.08),rgba(255,255,255,.03));border:1px solid rgba(255,255,255,.15);border-radius:20px;padding:36px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;}
        .miles-visual .mv-icon{font-size:64px;}
        .miles-visual h3{font-family:var(--font-head);font-size:24px;color:var(--accent);}
        .miles-visual p{font-size:13px;opacity:.75;line-height:1.6;}
        .miles-visual .mv-nums{display:flex;gap:24px;margin-top:8px;}
        .miles-visual .mv-num{text-align:center;}
        .miles-visual .mv-num .n{font-family:var(--font-head);font-size:22px;color:var(--accent);}
        .miles-visual .mv-num .l{font-size:10px;opacity:.65;text-transform:uppercase;letter-spacing:1px;}
        .miles-tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
        .tier-card{border-radius:12px;padding:20px 16px;text-align:center;border:1px solid var(--border);background:var(--card);}
        .tier-card .tier-icon{font-size:32px;margin-bottom:10px;}
        .tier-card h4{font-size:15px;font-weight:700;margin-bottom:6px;}
        .tier-card p{font-size:12px;color:var(--txt-muted);}
        .tier-card.silver{border-top:3px solid #95a5a6;}
        .tier-card.gold{border-top:3px solid var(--accent);}
        .tier-card.platinum{border-top:3px solid #8e44ad;}
        .tier-card.diamond{border-top:3px solid #2980b9;}

        /* ── HELP TAB ── */
        .help-grid{display:grid;grid-template-columns:2fr 1fr;gap:28px;}
        .faq-item{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:14px;transition:.2s;color:var(--primary-dk);margin-bottom:10px;}
        .faq-item:hover{border-color:var(--primary);background:var(--primary-lg);}
        .faq-answer{display:none;padding:14px 20px 18px;font-size:13.5px;color:var(--txt-muted);line-height:1.7;background:var(--card);border:1px solid var(--border);border-top:none;border-radius:0 0 10px 10px;margin-top:-10px;margin-bottom:10px;}
        .faq-answer.open{display:block;}
        .faq-item.open{border-radius:10px 10px 0 0;border-color:var(--primary);}
        .support-box{background:var(--primary-dk);color:#fff;border-radius:var(--radius);padding:28px;}
        .support-box h3{color:var(--accent);margin-bottom:16px;font-size:18px;}
        .support-phone{font-family:var(--font-head);font-size:26px;margin-bottom:18px;color:#fff;}
        .support-lbl{font-size:13px;opacity:.7;margin-bottom:6px;}

        /* ── FLIGHT LIST TAB ── */
        /* Hero banner */
.fl-hero{background:linear-gradient(135deg,var(--primary-dk) 0%,var(--primary) 60%,#007a90 100%);border-radius:var(--radius);padding:32px 36px;color:#fff;margin-bottom:24px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px;}
        .fl-hero::before{content:'';position:absolute;top:-60px;right:-40px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.05);}
        .fl-hero::after{content:'';position:absolute;bottom:-60px;left:30%;width:160px;height:160px;border-radius:50%;background:rgba(212,175,55,.08);}
        .fl-hero-left{position:relative;z-index:1;}
        .fl-hero-left h2{font-family:var(--font-head);font-size:26px;margin-bottom:4px;}
        .fl-hero-left h2 span{color:var(--accent);}
        .fl-hero-left p{font-size:13px;opacity:.8;}
        .fl-hero-stats{display:flex;gap:28px;position:relative;z-index:1;flex-wrap:wrap;}
        .fl-hstat{text-align:center;}
        .fl-hstat .v{font-family:var(--font-head);font-size:26px;color:var(--accent);}
        .fl-hstat .l{font-size:10px;opacity:.7;text-transform:uppercase;letter-spacing:1px;}
        /* stats strip */
        .fl-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;}
        /* toolbar */
        .fl-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap;background:var(--card);padding:14px 18px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);}
        .fl-toolbar-left{display:flex;gap:6px;flex:1;flex-wrap:wrap;}
        .fl-toolbar-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
        .fl-filter-btn{padding:7px 15px;border-radius:99px;font-size:12.5px;font-weight:600;border:1.5px solid var(--border);background:var(--card);color:var(--txt-muted);cursor:pointer;transition:.2s;font-family:var(--font-body);}
        .fl-filter-btn:hover,.fl-filter-btn.active{border-color:var(--primary);color:var(--primary);background:var(--primary-lg);}
        .fl-input{padding:8px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:var(--font-body);font-size:13px;outline:none;background:#fff;transition:.2s;}
        .fl-input:focus{border-color:var(--primary);}
        /* action row */
        .fl-action-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:12px;}
        .fl-action-left{display:flex;gap:10px;flex-wrap:wrap;}
        .fl-action-right{display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
        /* card grid */
        #flights-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:18px;}
.flight-item{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:all .25s;position:relative;box-shadow:var(--shadow);}
        .flight-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary);}
        .flight-item.selected{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-lt),var(--shadow-lg);}
        .fi-header{background:linear-gradient(135deg,var(--primary-dk) 0%,var(--primary) 100%);padding:16px 20px;display:flex;align-items:center;justify-content:space-between;position:relative;overflow:hidden;}
        .fi-header::before{content:'';position:absolute;right:-20px;top:-20px;width:80px;height:80px;border-radius:50%;background:rgba(255,255,255,.05);}
        .fi-route{font-family:var(--font-head);font-size:20px;color:#fff;letter-spacing:.5px;}
        .fi-flight-no{font-size:11px;color:rgba(255,255,255,.6);font-weight:600;letter-spacing:1px;margin-top:2px;}
        .fi-actions-header{display:flex;gap:6px;align-items:center;position:relative;z-index:1;}
        .fi-check{width:22px;height:22px;border-radius:6px;border:2px solid rgba(255,255,255,.4);cursor:pointer;display:grid;place-items:center;transition:.2s;background:transparent;flex-shrink:0;}
        .fi-check.checked{background:var(--accent);border-color:var(--accent);}
        .fi-check i{font-size:11px;color:#1a2e35;display:none;}
        .fi-check.checked i{display:block;}
        .fi-icon-btn{width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:12px;cursor:pointer;display:grid;place-items:center;transition:.2s;}
        .fi-icon-btn:hover{background:rgba(255,255,255,.22);}
        .fi-icon-btn.del:hover{background:var(--danger);border-color:var(--danger);}
        .fi-body{padding:18px 20px;}
        .fi-times{display:flex;align-items:center;margin-bottom:12px;}
        .fi-time{text-align:center;}
        .fi-time .t{font-family:var(--font-head);font-size:22px;color:var(--txt);line-height:1;}
        .fi-time .ap{font-size:11px;color:var(--txt-muted);font-weight:700;margin-top:2px;letter-spacing:1px;}
        .fi-line{flex:1;display:flex;flex-direction:column;align-items:center;padding:0 10px;}
        .fi-line .dur{font-size:11px;color:var(--txt-muted);margin-bottom:4px;font-weight:600;}
        .fi-line .line{width:100%;height:1px;background:var(--border);position:relative;}
        .fi-line .line::after{content:'\f072';font-family:'Font Awesome 6 Free';font-weight:900;position:absolute;right:-4px;top:-8px;font-size:13px;color:var(--primary);transform:rotate(90deg);}
.fi-prices{display:flex;align-items:center;justify-content:space-between;background:var(--bg);border-radius:10px;padding:12px 16px;margin-bottom:12px;border:1px solid var(--border);}
        .fi-price-block{text-align:center;}
        .fi-price-block .lbl{font-size:10px;color:var(--txt-muted);font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:3px;}
        .fi-price-block .val{font-family:var(--font-head);font-size:17px;}
        .fi-price-block .val.current{color:var(--primary);}
        .fi-price-block .val.target{color:var(--txt-muted);}
        .fi-price-block .val.good{color:var(--success);}
        .fi-divider{width:1px;height:36px;background:var(--border);}
        .fi-progress{margin-bottom:12px;}
        .fi-progress .lbl{display:flex;justify-content:space-between;font-size:11px;color:var(--txt-muted);font-weight:600;margin-bottom:5px;}
        .progress-bar{height:6px;background:var(--border);border-radius:99px;overflow:hidden;}
        .progress-fill{height:100%;border-radius:99px;transition:width .6s ease;}
        .fi-footer{display:flex;align-items:center;justify-content:space-between;padding-top:10px;border-top:1px solid var(--border);}
        .fi-tags{display:flex;gap:5px;flex-wrap:wrap;}
        .fi-footer-actions{display:flex;gap:6px;}
        .fi-footer-actions button{padding:6px 12px;font-size:12px;border-radius:6px;font-family:var(--font-body);font-weight:600;cursor:pointer;border:1.5px solid;transition:.2s;}
        .fi-btn-edit{background:transparent;color:var(--primary);border-color:var(--primary);}
        .fi-btn-edit:hover{background:var(--primary);color:#fff;}
        .fi-btn-book{background:var(--primary);color:#fff;border-color:var(--primary);}
        .fi-btn-book:hover{background:var(--primary-dk);}
        .status-dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:5px;}
        .status-dot.good{background:var(--success);}
        .status-dot.wait{background:var(--accent);}
        .status-dot.high{background:var(--danger);}
        /* Route builder */
        .route-panel-wrap{margin-bottom:22px;}
        .route-card{background:var(--card);border-radius:var(--radius);border:2px solid var(--primary);box-shadow:var(--shadow-lg);overflow:hidden;}
        .route-header{background:linear-gradient(135deg,var(--primary-dk),var(--primary));padding:18px 26px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
        .route-header-left{display:flex;align-items:center;gap:12px;}
        .route-header-icon{width:40px;height:40px;background:rgba(255,255,255,.15);border-radius:10px;display:grid;place-items:center;color:#fff;font-size:17px;}
        .route-header-txt h3{font-family:var(--font-head);font-size:17px;color:#fff;}
.route-header-txt p{font-size:12px;color:rgba(255,255,255,.7);margin-top:2px;}
        .route-header-actions{display:flex;gap:7px;flex-wrap:wrap;}
        .route-body{padding:22px 26px;}
        .route-meta-row{display:grid;grid-template-columns:1fr auto;gap:12px;margin-bottom:18px;}
        #route-stops-list{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
        .route-stop{display:grid;grid-template-columns:30px 1fr 1fr 130px 110px 34px;gap:8px;align-items:center;background:var(--bg);border-radius:10px;padding:10px 14px;border:1px solid var(--border);transition:.2s;}
        .route-stop:hover{border-color:var(--primary);background:var(--primary-lg);}
        .stop-num{width:26px;height:26px;background:var(--primary);color:#fff;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;flex-shrink:0;}
        .route-stop input,.route-stop select{padding:7px 10px;border:1.5px solid var(--border);border-radius:7px;font-family:var(--font-body);font-size:13px;outline:none;background:#fff;transition:.2s;width:100%;}
        .route-stop input:focus,.route-stop select:focus{border-color:var(--primary);}
        .stop-del{width:30px;height:30px;background:var(--danger);border:none;border-radius:7px;color:#fff;cursor:pointer;display:grid;place-items:center;font-size:12px;transition:.2s;flex-shrink:0;}
        .stop-del:hover{background:#c0392b;transform:scale(1.05);}
        .route-summary-box{background:linear-gradient(135deg,var(--primary-lg),#d0ecf1);border-radius:10px;padding:14px 18px;border:1px solid var(--border);}
        .route-summary-box h4{font-size:13px;font-weight:700;color:var(--primary-dk);margin-bottom:8px;display:flex;align-items:center;gap:7px;}
        .route-path{display:flex;align-items:center;flex-wrap:wrap;gap:0;}
        .route-path-stop{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:700;color:var(--primary-dk);}
        .route-path-arrow{color:var(--primary);font-size:12px;margin:0 6px;}
        /* saved routes */
        .saved-route-chip{display:flex;align-items:center;gap:10px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;transition:.2s;}
        .saved-route-chip:hover{border-color:var(--primary);background:var(--primary-lg);}
        .saved-route-chip .sic{width:30px;height:30px;background:var(--primary-lg);border-radius:8px;display:grid;place-items:center;color:var(--primary);font-size:13px;}
        .saved-route-chip .si h5{font-size:13px;font-weight:700;color:var(--txt);}
        .saved-route-chip .si p{font-size:11px;color:var(--txt-muted);margin-top:1px;}
.saved-route-chip .sdel{width:22px;height:22px;background:transparent;border:none;color:var(--txt-muted);cursor:pointer;font-size:13px;border-radius:6px;display:grid;place-items:center;transition:.2s;margin-left:auto;}
        .saved-route-chip .sdel:hover{background:var(--danger);color:#fff;}
        /* empty state */
        .empty-state{text-align:center;padding:70px 20px;}
        .empty-state .icon{font-size:56px;color:var(--border);margin-bottom:18px;}
        .empty-state h3{font-family:var(--font-head);font-size:22px;color:var(--txt-muted);margin-bottom:8px;}
        .empty-state p{font-size:14px;color:var(--txt-muted);margin-bottom:24px;}

        /* ── AUTH MODAL ── */
        .modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(4px);z-index:999;display:flex;align-items:center;justify-content:center;}
        .modal-overlay.hidden{display:none;}
        .auth-card{background:#fff;border-radius:16px;width:800px;max-width:95vw;max-height:95vh;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.25);animation:scaleUp .25s ease;}
        @keyframes scaleUp{from{transform:scale(.95);opacity:0}to{transform:scale(1);opacity:1}}
        .auth-header{display:flex;justify-content:space-between;align-items:center;padding:16px 26px;border-bottom:1px solid var(--border);}
        .auth-header h3{font-size:17px;color:var(--primary-dk);font-weight:700;}
        .modal-close{width:32px;height:32px;border-radius:50%;background:var(--bg);border:none;display:grid;place-items:center;cursor:pointer;color:var(--txt-muted);font-size:16px;transition:.2s;}
        .modal-close:hover{background:var(--danger);color:#fff;}
        .auth-body{display:flex;flex:1;min-height:0;}
        .auth-side{width:36%;background:linear-gradient(175deg,var(--primary-dk),var(--primary));color:#fff;padding:44px 32px;display:flex;flex-direction:column;justify-content:center;}
        .auth-side h4{font-family:var(--font-head);font-size:24px;color:var(--accent);margin-bottom:14px;}
        .auth-side p{font-size:14px;opacity:.85;line-height:1.65;margin-bottom:28px;}
        .auth-side-btn{width:100%;padding:11px;border-radius:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.3);color:#fff;font-family:var(--font-body);font-size:14px;font-weight:600;cursor:pointer;margin-bottom:10px;transition:.2s;}
        .auth-side-btn:hover{background:rgba(255,255,255,.2);}
        .auth-main{flex:1;padding:36px 40px;overflow-y:auto;}
        .auth-tabs{display:flex;gap:24px;margin-bottom:26px;border-bottom:2px solid var(--border);}
        .auth-tab{padding-bottom:12px;font-weight:700;font-size:15px;cursor:pointer;color:var(--txt-muted);position:relative;border:none;background:none;}
        .auth-tab.active{color:var(--primary);}
.auth-tab.active::after{content:'';position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--primary);border-radius:99px;}
        .auth-form{display:none;flex-direction:column;gap:14px;}
        .auth-form.active{display:flex;animation:fadeIn .25s ease;}
        .auth-form label{font-size:13px;font-weight:600;color:var(--txt-muted);margin-bottom:-8px;}
        .auth-form input{padding:12px 14px;border:1.5px solid var(--border);border-radius:8px;font-family:var(--font-body);font-size:14px;outline:none;transition:.2s;}
        .auth-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(0,86,102,.08);}
        .auth-form .submit-btn{padding:13px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-family:var(--font-body);font-size:15px;font-weight:700;cursor:pointer;margin-top:4px;transition:.2s;}
        .auth-form .submit-btn:hover{background:var(--primary-dk);}
        .auth-note{font-size:13px;color:var(--txt-muted);text-align:center;margin-top:-2px;}
        .auth-note a{color:var(--primary);font-weight:700;}
        .auth-msg{font-size:14px;font-weight:600;text-align:center;min-height:20px;}

        /* ── FLIGHT MODAL ── */
        .flight-modal-box{background:#fff;border-radius:var(--radius);width:660px;max-width:95vw;max-height:92vh;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.25);animation:scaleUp .25s ease;display:flex;flex-direction:column;}
        .fm-header{display:flex;justify-content:space-between;align-items:center;padding:20px 28px;border-bottom:1px solid var(--border);background:linear-gradient(135deg,var(--primary-dk),var(--primary));}
        .fm-header h3{font-family:var(--font-head);font-size:20px;color:#fff;}
        .fm-body{padding:26px 28px;overflow-y:auto;}
        .fm-footer{padding:16px 28px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px;background:var(--bg);}
        .fm-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
        .fm-grid .full{grid-column:1/-1;}
        .fm-grid .form-group input,.fm-grid .form-group select{width:100%;}

        /* ── CONFIRM MODAL ── */
        .confirm-box{background:#fff;border-radius:var(--radius);width:400px;max-width:95vw;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.25);animation:scaleUp .2s ease;}
        .confirm-icon{text-align:center;padding:28px 28px 0;font-size:48px;color:var(--danger);}
        .confirm-body{padding:16px 28px 24px;text-align:center;}
        .confirm-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
        .confirm-body p{font-size:14px;color:var(--txt-muted);}
        .confirm-footer{padding:16px 28px;border-top:1px solid var(--border);display:flex;gap:10px;justify-content:center;}

        /* ── TOAST ── */
.toast-wrap{position:fixed;bottom:28px;right:28px;z-index:1000;display:flex;flex-direction:column;gap:10px;}
        .toast{padding:12px 20px;border-radius:10px;font-size:13px;font-weight:600;color:#fff;box-shadow:var(--shadow-lg);animation:toastIn .3s ease;display:flex;align-items:center;gap:10px;min-width:250px;}
        .toast.success{background:var(--success);}
        .toast.error{background:var(--danger);}
        .toast.info{background:var(--primary);}
        .toast.warning{background:var(--accent);color:#1a2e35;}
        @keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
        @keyframes toastOut{from{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(10px)}}

        /* ── FOOTER ── */
        footer{background:var(--primary-dk);color:rgba(255,255,255,.7);padding:22px 40px;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;flex-wrap:wrap;gap:14px;margin-top:auto;}
        .footer-links{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:4px;}
        .footer-links a:hover{color:#fff;}
        .footer-social{display:flex;gap:14px;font-size:18px;}
        .footer-social i{cursor:pointer;transition:.2s;}
        .footer-social i:hover{color:var(--accent);}

        /* ── RESPONSIVE & MOBILE OPTIMIZATIONS ── */
        @media(max-width:1100px){
            .stats-strip,.fl-stats{grid-template-columns:repeat(2,1fr);}
            .culture{grid-template-columns:1fr;text-align:center;}
            .phone-wrap{margin:0 auto;}
            .miles-tiers{grid-template-columns:repeat(2,1fr);}
            .miles-hero{grid-template-columns:1fr;}
            .itin-grid{grid-template-columns:1fr;}
            .help-grid{grid-template-columns:1fr;}
            .route-stop{grid-template-columns:30px 1fr 1fr 34px;}
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 20px;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 86, 102, 0.4);
            backdrop-filter: blur(3px);
            z-index: 195;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        @media(max-width:800px){
            :root{--sidebar-w:0px;}
            #sidebar{width:240px;transform:translateX(-100%);transition:.3s;}
            #sidebar.open{transform:translateX(0);}
            #main{margin-left:0;}
            .page-body{padding:20px 18px 50px;}
            .topbar{padding:0 18px; gap: 12px;}
            
            .mobile-menu-btn { display: block; }
.topbar-breadcrumb { display: none; }
            
            .hero-search { padding: 24px 20px; }
            .hero-heading { font-size: 26px; }
            .culture { padding: 24px 16px; }
            .ad-banner { padding: 28px 20px; flex-direction: column; text-align: center; }
            .ad-banner::before { display: none; }
            
            .search-row{flex-direction:column;align-items:stretch; gap: 12px;}
            .sf-group { width: 100%; flex: none !important; }
            .sf-swap { align-self: center; transform: rotate(90deg); margin: -4px 0; }
            .sf-swap:hover { transform: rotate(270deg); }
            
            .stats-strip,.fl-stats{grid-template-columns:1fr 1fr;}
            #flights-card-grid{grid-template-columns:1fr;}
            .fm-grid{grid-template-columns:1fr;}
            .fl-hero{flex-direction:column;}
            
            .auth-body { flex-direction: column; }
            .auth-side { width: 100%; padding: 24px; text-align: center; }
            .auth-main { padding: 24px 20px; }
        }
        
        @media(max-width: 500px) {
            .stats-strip, .fl-stats { grid-template-columns: 1fr; }
            .route-stop { grid-template-columns: 1fr; gap: 6px; position: relative; padding: 14px; }
            .stop-num { position: absolute; top: 14px; left: 14px; }
            .stop-del { width: 100%; margin-top: 8px; }
            .route-stop input, .route-stop select { margin-left: 36px; width: calc(100% - 36px); }
        }