/* Trang tiện ích du lịch — kyquannamchau.com. Cùng bộ màu/phông với trang chủ và máy sinh bài (web-bai.py). */
:root{--nen:#08202e;--nen-2:#0d2d40;--the:#11364c;--vang:#f2a900;--vang-nhat:#ffc94d;--chu:#f3efe6;--chu-mo:#b9c6cf;--vien:rgba(255,255,255,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--nen);color:var(--chu);font:400 17px/1.7 "Be Vietnam Pro",system-ui,sans-serif;overflow-x:clip}
a{color:var(--vang-nhat)}img{max-width:100%;height:auto}
h1,h2,h3,.dau-trang,.nut,.nhan{font-family:Montserrat,sans-serif}
:focus-visible{outline:3px solid var(--vang-nhat);outline-offset:3px;border-radius:6px}
.khung{width:min(1120px,100% - 32px);margin-inline:auto}
.bo-qua{position:absolute;left:12px;top:-60px;z-index:30;padding:10px 16px;border-radius:8px;background:var(--vang);color:#1d1300;font:700 15px Montserrat,sans-serif;text-decoration:none}
.bo-qua:focus{top:12px}
main:focus{outline:none}

/* đầu trang (giống web-bai.py) */
.dau-trang{position:sticky;top:0;z-index:10;background:rgba(8,32,46,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--vien)}
.dau-trang .khung{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.thuong-hieu{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;color:var(--chu)}
.thuong-hieu img{width:34px;height:34px;border-radius:50%;background:#fff}
.menu{display:flex;gap:18px;font:600 13px Montserrat,sans-serif;letter-spacing:.06em;text-transform:uppercase;flex-wrap:wrap;justify-content:flex-end}
.menu a{color:var(--chu);text-decoration:none;opacity:.9}.menu a:hover,.menu a[aria-current]{color:var(--vang-nhat)}

/* tiêu đề */
.duong-dan{font-size:13px;color:var(--chu-mo);margin:24px 0 10px}.duong-dan a{color:var(--chu-mo);text-decoration:none}.duong-dan a:hover{color:var(--vang-nhat)}
h1{font-size:clamp(28px,4.5vw,42px);line-height:1.15;margin:0 0 12px;font-weight:800}
.dan{font-size:19px;color:#dfe6ea;margin:0 0 22px;max-width:780px}
.nhan{color:var(--vang);font-weight:700;font-size:13px;letter-spacing:.18em;text-transform:uppercase}
h2{font-size:clamp(24px,3.2vw,32px);margin:4px 0 16px;line-height:1.2}
h3{font-size:18px;margin:0 0 10px}
.muc{padding:36px 0 8px;border-top:1px solid var(--vien);margin-top:28px}
.hop{background:var(--the);border:1px solid var(--vien);border-radius:14px;padding:18px 20px;margin:0 0 18px}
.hop.mien-tru{border-color:rgba(242,169,0,.45);background:var(--nen-2);font-size:15px;color:#dfe6ea}
.chu-nho{font-size:14px;color:var(--chu-mo);margin:8px 0 0}
.dang-nap{color:var(--chu-mo);margin:0}
.loi{color:#ffb3a7;font-size:14px}

/* thanh chọn nước */
.thanh-chon{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;background:var(--nen-2);border:1px solid var(--vien);border-radius:14px;padding:12px 16px;position:sticky;top:64px;z-index:5}
.thanh-chon label{font-size:14px}
.neo{display:flex;flex-wrap:wrap;gap:4px 14px;font:600 13px Montserrat,sans-serif;margin-left:auto}
.neo a{color:var(--chu);text-decoration:none;padding:6px 2px}.neo a:hover{color:var(--vang-nhat)}
select,input[type=text],input[type=number]{font:inherit;color:var(--chu);background:var(--nen);border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:10px 12px;min-height:44px;max-width:100%}
select:hover,input:hover{border-color:rgba(255,255,255,.4)}
label{display:grid;gap:4px;font-size:14px;color:var(--chu-mo)}
label>select,label>input{color:var(--chu);font-size:16px}
.hang-nhap{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:end}
.hang-nhap label{flex:1 1 160px;min-width:0}

/* nút */
.nut{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 18px;border-radius:10px;background:var(--vang);color:#1d1300;font-weight:700;text-decoration:none;font-size:15px;border:0;cursor:pointer}
.nut:hover{background:var(--vang-nhat)}
.nut-phu{background:transparent;color:var(--chu);border:1px solid rgba(255,255,255,.35)}.nut-phu:hover{background:rgba(255,255,255,.08);border-color:var(--vang-nhat)}
.nut-hang{display:inline-flex;gap:10px;flex-wrap:wrap}

/* nút (i) nguồn */
.nut-i{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:transparent;color:var(--vang-nhat);font:700 12px Montserrat,sans-serif;cursor:pointer;vertical-align:middle;margin-left:6px;padding:0}
.nut-i[aria-expanded=true]{background:var(--vang);color:#1d1300;border-color:var(--vang)}
.pop{display:block;font-size:13px;color:var(--chu-mo);background:var(--nen);border:1px solid var(--vien);border-radius:10px;padding:10px 12px;margin:8px 0 4px;line-height:1.55}
.pop[hidden]{display:none}
.pop a{word-break:break-all}
.canh-bao{display:inline-block;color:#ffd27a;font-size:12px;font-weight:600;margin-top:4px}

/* thẻ quốc gia */
.the-qg{display:grid;gap:16px}
.qg-dau{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.qg-dau .co{font-size:40px;line-height:1}
.qg-dau h3{font-size:22px;margin:0}
.qg-dau .ngon-ngu{color:var(--chu-mo);font-size:14px;margin:0;flex-basis:100%}
.dong-ho{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.dong-ho .o{background:var(--nen-2);border:1px solid var(--vien);border-radius:12px;padding:14px 16px}
.dong-ho .ten{font:600 13px Montserrat,sans-serif;letter-spacing:.08em;text-transform:uppercase;color:var(--chu-mo)}
.dong-ho .gio{font:800 clamp(30px,5vw,40px)/1.1 Montserrat,sans-serif;color:var(--vang-nhat);margin:4px 0;font-variant-numeric:tabular-nums}
.dong-ho .ngay{font-size:14px;color:var(--chu-mo)}
.chenh{background:rgba(242,169,0,.1);border:1px dashed rgba(242,169,0,.45);border-radius:12px;padding:12px 16px;font-size:15px}
.luoi-qg{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));gap:14px}
.luoi-qg .o{background:var(--nen-2);border:1px solid var(--vien);border-radius:12px;padding:14px 16px}
.luoi-qg h4{margin:0 0 6px;font:700 14px Montserrat,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--vang)}
.luoi-qg p{margin:0 0 6px;font-size:15px}
.luoi-qg .to{font:800 26px Montserrat,sans-serif;color:var(--chu)}
.bang{width:100%;border-collapse:collapse;font-size:15px;margin:4px 0 8px}
.bang th,.bang td{padding:7px 8px;border-bottom:1px solid var(--vien);text-align:left;vertical-align:top}
.bang th{color:var(--chu-mo);font-weight:600;font-size:13px}
.bang .so{font:800 20px Montserrat,sans-serif;color:var(--vang-nhat);white-space:nowrap}
.sap-co{border:1px dashed rgba(242,169,0,.45);border-radius:14px;padding:22px;text-align:center;color:var(--chu-mo)}
.sap-co b{display:block;font:800 22px Montserrat,sans-serif;color:var(--chu);margin-bottom:6px}

/* đổi tiền */
.ket-qua-lon{font:800 clamp(26px,4.5vw,38px)/1.2 Montserrat,sans-serif;color:var(--vang-nhat);margin:16px 0 4px;word-break:break-word}

/* thời tiết */
.bang-tt{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0 4px}
.bang-tt th,.bang-tt td{padding:9px 8px;border-bottom:1px solid var(--vien);text-align:left;vertical-align:middle}
.bang-tt th{color:var(--chu-mo);font-weight:600;font-size:13px}
.bang-tt .bieu{font-size:24px;line-height:1}
.bang-tt .mo-ta{font-size:13px;color:var(--chu-mo);display:block}
.bang-tt .nhiet{white-space:nowrap}.bang-tt .nhiet b{color:var(--vang-nhat)}
.bang-tt .mt{white-space:nowrap;font-size:14px}
.tt-hom-nay{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:15px;margin:8px 0 0}
.bang-tt tr:first-child td{background:rgba(242,169,0,.06)}

/* checklist */
.hang-cl{align-items:center}
.hang-cl .nut-hang{margin-left:auto}
.cl-nhom{margin:18px 0 0}
.cl-nhom h3{display:flex;align-items:center;gap:8px;font-size:17px;margin:0 0 6px;padding-top:12px;border-top:1px solid var(--vien)}
.cl-nhom ul{list-style:none;margin:0;padding:0}
.cl-nhom li{margin:0}
.cl-nhom label{display:flex;gap:12px;align-items:flex-start;padding:9px 6px;border-radius:8px;cursor:pointer;color:var(--chu);font-size:15.5px;line-height:1.5}
.cl-nhom label:hover{background:rgba(255,255,255,.04)}
.cl-nhom input{width:22px;height:22px;flex:none;margin:2px 0 0;accent-color:var(--vang)}
.cl-nhom input:checked+span{color:var(--chu-mo);text-decoration:line-through}
.cl-nhom .goi-y{display:inline-block;font:600 11px Montserrat,sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--vang);border:1px solid rgba(242,169,0,.45);border-radius:6px;padding:1px 6px;margin-left:8px;vertical-align:middle}

/* quy đổi đơn vị */
.luoi-don-vi{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:14px}
.don-vi{background:var(--the);border:1px solid var(--vien);border-radius:14px;padding:16px 18px}
.don-vi h3{font-size:16px;margin:0 0 10px;color:var(--vang-nhat)}
.don-vi .cap{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;align-items:center}
.don-vi .cap span{color:var(--chu-mo);font-size:18px;text-align:center}
.don-vi input{width:100%}
.don-vi .ghi{font-size:13px;color:var(--chu-mo);margin:8px 0 0}

/* nguồn */
.nguon ol{padding-left:20px;font-size:14px;margin:10px 0}.nguon li{margin:0 0 6px;word-break:break-word}
.nguon li a{color:var(--vang-nhat)}

footer{border-top:1px solid var(--vien);padding:30px 0 40px;color:var(--chu-mo);font-size:14px;margin-top:40px}
footer nav{display:flex;gap:18px;flex-wrap:wrap;margin:10px 0}footer a{color:var(--chu);text-decoration:none}footer a:hover{color:var(--vang-nhat)}

@media(max-width:600px){
  body{font-size:16px}
  .dau-trang .khung{height:auto;min-height:56px;padding:8px 0;flex-wrap:wrap}
  .menu{gap:12px;font-size:12px;justify-content:flex-start}
  .thanh-chon{position:static;padding:12px}
  .neo{margin-left:0;width:100%;gap:2px 12px}
  .dan{font-size:16px}
  .hop{padding:14px}
  .hang-nhap label{flex-basis:100%}
  .hang-cl .nut-hang{margin-left:0;width:100%}
  .hang-cl .nut{flex:1}
  .bang-tt{font-size:14px}.bang-tt th,.bang-tt td{padding:8px 5px}
  .bang-tt .mo-ta{display:none}
  .bang-tt .bieu{font-size:20px}
  .dong-ho .gio{font-size:30px}
}

/* In: chỉ in checklist */
@media print{
  body{background:#fff;color:#000;font-size:12pt}
  header,footer,.thanh-chon,.muc:not(#hanh-ly),.mien-tru,.duong-dan,.dan,.nut,.hang-cl .nut-hang,#cl-mua,.chu-nho:last-child{display:none!important}
  h1{font-size:20pt}
  .hop{border:0;padding:0;background:#fff}
  .cl-nhom h3{border-top:1px solid #999;color:#000}
  .cl-nhom label{color:#000;padding:4px 0}
  .cl-nhom input:checked+span{color:#555}
  .cl-nhom .goi-y{color:#333;border-color:#999}
  .cl-nhom input{width:14pt;height:14pt}
  a{color:#000;text-decoration:none}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}