:root{
  --forest:#2d3c2c; --tan:#bc9464; --tan-d:#8a6a3f; --cream:#faf6ee; --paper:#fffdf8; --ink:#2a2a24; --muted:#6b6b60; --line:#e5dcc8;
  --moss:#e8eee2; --sand:#f4ecdb; --blue:#e8eef0; --warn:#a4432c;
  --head:"Cormorant Garamond",Georgia,serif; --body:"Lora",Georgia,serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.6 var(--body)}
a{color:var(--forest)}
.top{display:flex;justify-content:space-between;align-items:center;padding:14px 20px;background:var(--forest)}
.brand{font:600 22px var(--head);letter-spacing:.04em;color:#f3e6cf;text-decoration:none}
.lang button{background:transparent;color:#f3e6cf;border:1px solid #f3e6cf55;padding:4px 10px;font:500 13px var(--body);cursor:pointer}
.lang button:first-child{border-radius:4px 0 0 4px}.lang button:last-child{border-radius:0 4px 4px 0;border-left:0}
.lang button.on{background:var(--tan);border-color:var(--tan);color:var(--forest)}
main{max-width:1040px;margin:0 auto;padding:0 16px 56px}
.hero{padding:36px 0 18px;text-align:center}
.hero h1{font:500 clamp(34px,6vw,52px)/1.1 var(--head);color:var(--forest);margin:0 0 8px}
.hero p{margin:0 auto;max-width:620px;color:var(--muted)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:20px;display:grid;gap:16px;box-shadow:0 1px 0 #fff inset}
.grid{display:grid;gap:12px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g5{grid-template-columns:repeat(5,1fr)}
label span{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
input[type=date],input[type=time],input[type=number],select{width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:6px;background:#fff;font:inherit;color:var(--ink)}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:2px solid var(--tan);outline-offset:2px}
fieldset{border:0;padding:0;margin:0}
legend{font-size:13px;color:var(--muted);margin-bottom:6px;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;cursor:pointer}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-block;margin:0;padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--ink);font-size:14px;transition:.15s}
.chip input:checked+span{background:var(--forest);border-color:var(--forest);color:#f6ecd8}
.chip input:focus-visible+span{outline:2px solid var(--tan);outline-offset:2px}
.btn{display:inline-block;background:var(--forest);color:#f6ecd8;border:0;border-radius:6px;padding:12px 26px;font:600 16px var(--body);cursor:pointer;text-decoration:none;justify-self:start}
.btn:hover{background:#3a4d39}.btn:disabled{opacity:.6;cursor:wait}
.btn.ghost{background:transparent;color:var(--forest);border:1px solid var(--forest);padding:9px 16px;font-size:14px;margin-right:8px}
.error{color:var(--warn);margin:0;font-size:14px}

#result{margin-top:28px}
.tools{margin-bottom:14px}
.summary{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.sum-item{flex:1 1 130px;background:var(--forest);color:#f6ecd8;border-radius:8px;padding:12px 16px}
.sum-item b{display:block;font:500 32px/1 var(--head);color:#e8cf9f}
.sum-item span{font-size:13px;opacity:.85}
.season{background:var(--sand);border-left:4px solid var(--tan);padding:10px 14px;border-radius:0 6px 6px 0;margin-bottom:16px;font-size:14px}
.season p{margin:4px 0}
.muted{color:var(--muted);font-size:13px}

table.itin{width:100%;border-collapse:separate;border-spacing:0;background:var(--paper);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.itin thead th{background:var(--forest);color:#f6ecd8;padding:10px 12px;text-align:center;font:600 15px var(--body)}
.itin td,.itin th.daycell{border-top:1px solid var(--line);vertical-align:top;padding:10px 12px}
.itin th.daycell{width:150px;background:var(--moss);text-align:center;border-right:1px solid var(--line);font-weight:500}
.dn{font:600 24px var(--head);color:var(--forest)}
.dd{font-size:13px;color:var(--tan-d);text-transform:capitalize}
.dw{font-size:12.5px;margin-top:6px;color:var(--ink)}.wx-i{font-size:15px}
.da{font-size:12px;color:var(--muted);margin-top:4px}
td.tm{width:118px;white-space:nowrap;text-align:center;font-weight:600;color:var(--tan-d);font-variant-numeric:tabular-nums}
td.ev{position:relative;padding-right:70px}
.ttl{font-weight:600;color:var(--forest)}
.meta{font-size:12.5px;color:var(--muted);margin-top:2px}
.note{font-size:13.5px;margin-top:3px;color:#444}
button.swap{position:absolute;right:10px;top:10px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:3px 9px;font:13px var(--body);cursor:pointer;color:var(--forest)}
button.swap:hover{background:var(--moss)}
tr.k-act td.ev{background:#fff}
tr.k-meal td{background:var(--sand)}
tr.k-meal .ttl{color:var(--tan-d)}
tr.k-transfer td,tr.k-flight td,tr.k-checkin td,tr.k-checkout td{background:#f1f3ee}
tr.k-transfer .ttl,tr.k-flight .ttl{font-weight:500}
tr.k-rest td,tr.k-free td{background:var(--blue)}
tr.k-rest .ttl,tr.k-free .ttl{font-weight:500}
tr.k-rain td{background:#fff4e6;font-size:14px}

.costs,.notes,.cta{margin-top:24px}
.costs h3,.notes h3,.cta h3{font:600 24px var(--head);color:var(--forest);margin:0 0 8px}
table.cost{width:100%;border-collapse:collapse;background:var(--paper);border:1px solid var(--line)}
table.cost td{padding:9px 12px;border-top:1px solid var(--line);vertical-align:top}
table.cost td.r{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
table.cost tr.tot td{background:var(--moss);font-weight:600}
.notes ul{margin:0 0 8px;padding-left:20px;font-size:14px}
.cta{background:var(--forest);color:#f6ecd8;padding:22px;border-radius:10px}
.cta h3{color:#e8cf9f}.cta p{margin:0 0 14px}
.cta .btn{background:var(--tan);color:var(--forest)}.cta .btn:hover{background:#cba575}
footer{text-align:center;padding:24px 16px;font-size:13px;color:var(--muted)}

@media(max-width:760px){
  .g4,.g3,.g5{grid-template-columns:1fr 1fr}
  .itin thead{display:none}
  table.itin,.itin tbody,.itin tr,.itin td,.itin th.daycell{display:block;width:100%}
  .itin tr{border-top:1px solid var(--line)}
  .itin th.daycell{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline;text-align:left;border-right:0;padding:10px 12px}
  .itin tr:has(th.daycell){border-top:6px solid var(--cream)}
  td.tm{text-align:left;width:auto;padding:8px 12px 0;border:0}
  td.ev{padding:2px 12px 10px;border:0}
  td.ev{padding-right:12px}
  button.swap{position:static;margin-top:6px}
  .cta .btn{width:100%;text-align:center}
}
@media(max-width:430px){.g4,.g3,.g5{grid-template-columns:1fr}}
.flight{background:var(--paper);border:1px solid var(--line);border-left:4px solid var(--tan);border-radius:0 8px 8px 0;padding:12px 16px;margin:0 0 16px;font-size:14px}
.flight h3{margin:0 0 4px;font:600 22px var(--head);color:var(--forest)}
.flight a.btn{padding:8px 14px;font-size:13px;margin:6px 8px 0 0}
.stay-wx{background:var(--blue);padding:10px 14px;border-radius:6px;margin-bottom:12px;font-size:14px}
@media print{
  body{background:#fff;font-size:12px}.no-print{display:none!important}
  main{padding:0;max-width:none}#result{margin:0}
  button.swap{display:none}
  tr{break-inside:avoid}
  .cta{background:#fff;color:#000;border:1px solid #999}.cta h3{color:#000}.cta .btn{display:none}
  .sum-item{background:#fff;color:#000;border:1px solid #999}.sum-item b{color:#000}
  *{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

.src{font-size:11.5px;margin-top:2px;color:var(--muted)}
.src.off{color:#3f6b3a}.src.press{color:var(--tan-d)}.src.est{color:var(--warn)}
.note.warn{color:var(--warn)}
.meta a{color:var(--tan-d)}

/* ---- hộp thoại tư vấn ---- */
.consult-fab{position:fixed;right:18px;bottom:18px;z-index:40;background:var(--forest);color:#f6ecd8;border:0;border-radius:999px;padding:13px 22px;font:600 15px var(--body);box-shadow:0 6px 22px rgba(0,0,0,.28);cursor:pointer}
.consult-fab:hover{background:#3a4d39}
.modal{position:fixed;inset:0;z-index:60;background:rgba(20,28,20,.55);display:flex;align-items:flex-end;justify-content:flex-end;padding:18px}
.modal[hidden]{display:none}
.modal-box{background:var(--paper);width:min(440px,100%);max-height:min(680px,calc(100vh - 36px));border-radius:12px;box-shadow:0 14px 44px rgba(0,0,0,.35);display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:var(--forest);color:#f6ecd8}
.modal-head h2{margin:0;font:500 22px var(--head)}
.modal-close{background:transparent;border:0;color:#f6ecd8;font-size:28px;line-height:1;cursor:pointer;padding:0 4px}
.tabs{display:flex;border-bottom:1px solid var(--line)}
.tabs button{flex:1;background:transparent;border:0;border-bottom:3px solid transparent;padding:10px 8px;font:600 14px var(--body);color:var(--muted);cursor:pointer}
.tabs button[aria-selected=true]{color:var(--forest);border-bottom-color:var(--tan)}
.tabs button[hidden]{display:none}
[role=tabpanel]{padding:12px 16px 16px;overflow-y:auto;display:flex;flex-direction:column;gap:10px}
[role=tabpanel][hidden]{display:none}
.chat-log{display:flex;flex-direction:column;gap:8px;min-height:140px;max-height:300px;overflow-y:auto}
.msg{max-width:88%;padding:8px 12px;border-radius:10px;font-size:14.5px;white-space:pre-wrap;word-wrap:break-word}
.msg.bot{background:var(--moss);align-self:flex-start;border-bottom-left-radius:2px}
.msg.me{background:var(--forest);color:#f6ecd8;align-self:flex-end;border-bottom-right-radius:2px}
.msg.err{background:#fbeae5;color:var(--warn)}
.chips-row{display:flex;flex-wrap:wrap;gap:6px}
.chips-row button{background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 11px;font:13px var(--body);cursor:pointer;color:var(--forest)}
.chips-row button:hover{background:var(--moss)}
.chat-form{display:flex;gap:8px;align-items:flex-end}
.chat-form textarea{flex:1;resize:none;padding:9px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;font-size:14.5px}
.chat-form .btn{padding:10px 16px;font-size:14px}
.consult-form{display:grid;gap:10px}
.consult-form input:not([type=checkbox]),.consult-form textarea,.consult-form select{width:100%;padding:9px 10px;border:1px solid var(--line);border-radius:6px;font:inherit;font-size:14.5px;background:#fff}
.consult-form .consent{display:flex;gap:8px;align-items:flex-start;font-size:13px}
.consult-form .consent span{display:inline;margin:0;color:var(--ink)}
.form-msg{margin:0;font-size:14px}.form-msg.ok{color:#3f6b3a}.form-msg.err{color:var(--warn)}
@media(max-width:560px){.modal{padding:0;align-items:stretch}.modal-box{width:100%;max-height:none;border-radius:0}.consult-fab{right:12px;bottom:12px}}