:root{--bg: #f2f5fa;--surface: #ffffff;--border: #e2e7f0;--text: #131a2b;--muted: #67718a;--brand: #123a8f;--brand-mid: #1d5bd6;--brand-soft: #e9f0fd;--accent: #f5871f;--accent-dark: #d96f0c;--ok: #12704a;--warn: #9a5c00;--err: #b3261e;--panel: #0f2d6b;--radius: 12px;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 12px rgba(16, 24, 40, .06);--shadow-lg: 0 12px 40px rgba(10, 22, 55, .22)}*{box-sizing:border-box}html,body{overflow-x:hidden}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 Segoe UI,system-ui,-apple-system,sans-serif}a{color:var(--brand-mid);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:1180px;margin:0 auto;padding:0 20px}.topbar{background:var(--surface);border-bottom:1px solid var(--border)}.topbar .inner{display:flex;align-items:center;gap:18px;height:56px}.logo{font-size:21px;font-weight:800;letter-spacing:-.5px;color:var(--brand)}.logo span{color:var(--accent)}.logo:hover{text-decoration:none}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:16px;font-size:14px}.topbar-right a{color:var(--muted);font-weight:500}.topbar-right a:hover{color:var(--brand)}.divider{color:var(--border)}.navstrip{background:var(--surface);border-bottom:1px solid var(--border)}.navstrip .inner{display:flex;gap:26px;height:46px;align-items:center;overflow-x:auto}.navstrip a{color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;height:100%;display:flex;align-items:center;border-bottom:3px solid transparent}.navstrip a:hover{color:var(--brand);text-decoration:none}.navstrip a.active{color:var(--brand);border-bottom-color:var(--accent)}.site-footer{background:#0d1c3a;color:#aeb9d0;padding:30px 0;font-size:13px;margin-top:40px}.site-footer strong{color:#fff;display:block;margin-bottom:6px}button{font:inherit;font-weight:600;cursor:pointer;border:none;border-radius:9px;padding:10px 18px;background:var(--brand-mid);color:#fff}button:hover:not(:disabled){background:var(--brand)}button:disabled{opacity:.55;cursor:not-allowed}button.accent{background:var(--accent)}button.accent:hover:not(:disabled){background:var(--accent-dark)}button.secondary{background:#eef1f7;color:var(--text)}button.secondary:hover:not(:disabled){background:#e2e7f0}button.link{background:none;color:var(--brand-mid);padding:0;font-weight:600}button.link:hover:not(:disabled){background:none;text-decoration:underline}button.block{width:100%}button.lg{padding:13px 18px;font-size:16px}.field{display:flex;flex-direction:column;gap:5px}.field label{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}input,select{font:inherit;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);width:100%}input:focus,select:focus{outline:2px solid rgba(29,91,214,.3);border-color:var(--brand-mid)}input[type=file]{border:none;padding:4px 0;font-size:13px}input[type=checkbox],input[type=radio]{width:auto}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.pax-block{border:1px solid var(--border);border-radius:9px;padding:14px;margin-bottom:12px}.grid-3{display:grid;grid-template-columns:2fr 1fr 1fr;gap:10px}@media (max-width: 640px){.grid-3{grid-template-columns:1fr}}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.panel h3{margin:0 0 12px;font-size:15px}.tag{display:inline-block;font-size:11px;padding:2px 8px;border-radius:99px;background:#eef1f7;color:var(--muted);margin:0 5px 5px 0}.tag.ok{background:#e3f3ec;color:var(--ok)}.tag.warn{background:#fdf0dc;color:var(--warn)}.notice{padding:11px 14px;border-radius:9px;margin-bottom:14px;font-size:14px}.notice.info{background:var(--brand-soft);color:var(--brand)}.notice.error{background:#fdeceb;color:var(--err)}.notice.success{background:#e3f3ec;color:var(--ok)}.notice.warn{background:#fdf0dc;color:var(--warn)}.empty{text-align:center;padding:48px 20px;color:var(--muted)}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.4px;white-space:nowrap}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.is-stale{opacity:.6;transition:opacity .15s}.hero{position:relative;background:linear-gradient(120deg,#0b255c,#1b4fb0 45%,#2f7fd6);color:#fff;padding:46px 0 60px;overflow:hidden}.hero:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(900px 380px at 82% 18%,rgba(255,255,255,.16),transparent 60%),radial-gradient(600px 300px at 10% 90%,rgba(245,135,31,.22),transparent 65%);pointer-events:none}.hero .inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 430px;gap:40px;align-items:start}.hero-copy h1{margin:18px 0 10px;font-size:38px;line-height:1.15;letter-spacing:-.8px}.hero-copy p{margin:0 0 22px;font-size:16px;opacity:.9;max-width:460px}.hero-badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;background:#ffffff29;padding:5px 12px;border-radius:99px}.hero-points{list-style:none;padding:0;margin:0;display:grid;gap:10px}.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14px;opacity:.92}.hero-points .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:7px;flex:none}.search-panel{background:var(--panel);border-radius:14px;box-shadow:var(--shadow-lg);padding:18px;color:#fff}.search-panel h2{margin:0 0 14px;font-size:16px;font-weight:700}.trip-types{display:flex;gap:18px;margin-bottom:14px;font-size:14px}.trip-type{display:flex;align-items:center;gap:7px;cursor:pointer}.trip-type input{width:auto;margin:0;accent-color:var(--accent)}.trip-type.disabled{opacity:.5;cursor:not-allowed}.trip-type .soon{font-size:11px;background:#ffffff29;padding:1px 6px;border-radius:99px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:10px}.field-row.swap-row{grid-template-columns:1fr 34px 1fr;gap:8px;align-items:center}.panel-field{background:#fff;border-radius:9px;padding:8px 12px}.panel-field label{display:block;font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:1px}.panel-field select,.panel-field input{border:none;padding:0;width:100%;font-size:15px;font-weight:600;color:var(--text);background:transparent}.panel-field select:focus,.panel-field input:focus{outline:none}.swap{width:34px;height:34px;border-radius:50%;padding:0;background:var(--accent);color:#fff;font-size:15px;line-height:1;justify-self:center}.swap:hover{background:var(--accent-dark)}.panel-note{font-size:12px;opacity:.75;margin:8px 0 0}.section{padding:40px 0}.section h2{font-size:20px;margin:0 0 16px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}.route-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:block}.route-card:hover{box-shadow:var(--shadow-sm);text-decoration:none}.route-card strong{display:block;color:var(--text);font-size:15px}.route-card span{color:var(--muted);font-size:13px}@media (max-width: 980px){.hero .inner{grid-template-columns:1fr}.hero-copy h1{font-size:28px}}.results-layout{display:grid;grid-template-columns:240px 1fr;gap:22px;padding:24px 0 60px}.filter-row{display:flex;align-items:center;gap:8px;margin-bottom:7px;font-size:14px}.flight-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;display:grid;grid-template-columns:160px 1fr 210px;gap:18px;align-items:center}.flight-card:hover{box-shadow:var(--shadow-sm)}.airline{font-weight:700}.airline small{display:block;color:var(--muted);font-weight:400;margin-top:2px}.timeline{display:flex;align-items:center;gap:16px}.timeline .time{font-size:20px;font-weight:700}.timeline .code{color:var(--muted);font-size:13px}.timeline .mid{flex:1;text-align:center;color:var(--muted);font-size:12px}.timeline .mid .bar{height:2px;background:var(--border);margin:6px 0;position:relative}.timeline .mid .bar:after{content:"";position:absolute;right:0;top:-3px;width:8px;height:8px;border-radius:50%;background:var(--brand-mid)}.price-col{text-align:right}.price{font-size:21px;font-weight:800;color:var(--accent-dark)}.price small{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px}@media (max-width: 980px){.results-layout,.flight-card{grid-template-columns:1fr}.price-col{text-align:left}}.two-col{display:grid;grid-template-columns:1fr 350px;gap:22px;padding:24px 0 60px;align-items:start}.summary-row{display:flex;justify-content:space-between;padding:6px 0;font-size:14px}.summary-row.total{border-top:1px solid var(--border);margin-top:8px;padding-top:12px;font-size:17px;font-weight:700}.ticket{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.pnr{font-size:28px;font-weight:800;letter-spacing:3px;color:var(--brand)}@media (max-width: 980px){.two-col{grid-template-columns:1fr}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.sk-wrap{animation:hien-dan var(--t-med) ease-out}.sk{display:block;border-radius:6px;background:linear-gradient(90deg,#e8ecf3 25%,#f4f6fa,#e8ecf3 75%);background-size:200% 100%;animation:nhap-nhay 1.3s ease-in-out infinite}@keyframes nhap-nhay{0%{background-position:150% 0}to{background-position:-50% 0}}.sk-card:hover{transform:none;box-shadow:none}.sk-right{display:flex;flex-direction:column;align-items:flex-end}.sk-row{display:flex;gap:4%;padding:13px 10px;border-bottom:1px solid var(--border)}@media (max-width: 980px){.sk-right{align-items:flex-start}}:root{--ease: cubic-bezier(.2, .7, .2, 1);--t-fast: .15s;--t-med: .28s}a,button,input,select,.tab,.navstrip a,.route-card,.flight-card,.work-card,.panel-field,tr.clickable td{transition:background-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),box-shadow var(--t-med) var(--ease),transform var(--t-fast) var(--ease),opacity var(--t-fast) var(--ease)}button:active:not(:disabled){transform:translateY(1px) scale(.985)}.swap:hover{transform:rotate(180deg);transition:transform var(--t-med) var(--ease),background-color var(--t-fast)}.flight-card:hover,.route-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px #1018281a}.panel-field:focus-within{box-shadow:0 0 0 3px #f5871f73}.navstrip a{transition:color var(--t-fast),border-color var(--t-med) var(--ease)}@keyframes hien-len{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes hien-dan{0%{opacity:0}to{opacity:1}}@keyframes bat-len{0%{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}.page-enter{animation:hien-dan var(--t-med) var(--ease)}.fade-in,.tab-panel{animation:hien-len var(--t-med) var(--ease)}.notice{animation:hien-len var(--t-fast) var(--ease)}.fade-in .flight-card,.work-card{animation:hien-len var(--t-med) var(--ease) both}.fade-in .flight-card:nth-child(2){animation-delay:40ms}.fade-in .flight-card:nth-child(3){animation-delay:80ms}.fade-in .flight-card:nth-child(4){animation-delay:.12s}.fade-in .flight-card:nth-child(n+5){animation-delay:.16s}.modal-backdrop{animation:hien-dan var(--t-fast) ease-out}.modal,.badge{animation:bat-len var(--t-med) var(--ease)}.is-stale{pointer-events:none}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:1ms!important;animation-delay:0ms!important;animation-iteration-count:1!important;transition-duration:1ms!important}html{scroll-behavior:auto!important}}
