:root{
  --navy:#0f3b5c; --navy-2:#14547f; --teal:#0e7490; --gold:#c9a227; --gold-2:#a8861c;
  --sand:#f6f1e7; --paper:#fffdf8; --ink:#1b2430; --muted:#5b6672; --line:#e6dfd2;
  --ok:#1a7f5a; --warn:#b7791f; --radius:18px; --shadow:0 10px 30px rgba(15,59,92,.12);
  --font:"Be Vietnam Pro","Noto Sans Khmer",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--sand);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:inherit}
img{max-width:100%;display:block}
button{font-family:inherit}
[data-lang="vi"] .en{display:none !important}
[data-lang="en"] .vi{display:none !important}
.wrap{max-width:720px;margin:0 auto;padding:0 16px}
.icon{width:20px;height:20px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* Top bar */
.topbar{position:sticky;top:0;z-index:20;background:rgba(246,241,231,.92);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:56px;gap:12px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:600;font-size:14px;color:var(--navy)}
.brand .mark{width:30px;height:30px;border-radius:9px;background:var(--navy);display:grid;place-items:center;color:#fff}
.brand .mark .icon{width:16px;height:16px}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;padding:3px;background:#fff}
.lang button{border:0;background:transparent;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer}
.lang button.active{background:var(--navy);color:#fff}
.back{display:inline-flex;align-items:center;gap:6px;text-decoration:none;font-size:14px;font-weight:600;color:var(--navy)}

/* Hero */
.hero{position:relative;border-radius:var(--radius);overflow:hidden;margin-top:16px;box-shadow:var(--shadow);background:var(--navy)}
.hero img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,59,92,0) 35%,rgba(15,59,92,.88) 100%)}
.hero .cap{position:absolute;left:0;right:0;bottom:0;padding:20px;color:#fff}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--gold);color:#1b2430;font-size:12px;font-weight:700;letter-spacing:.04em;padding:4px 10px;border-radius:999px}
.hero h1{margin:10px 0 4px;font-size:26px;line-height:1.2;font-weight:700}
.hero .type{font-size:13px;opacity:.9}

/* Cards */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-top:16px}
.card h2{margin:0 0 12px;font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;display:flex;align-items:center;gap:8px}
.card h2 .icon{width:18px;height:18px;color:var(--gold-2)}

/* Player */
.player{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border:0}
.player h2{color:rgba(255,255,255,.75)}
.player h2 .icon{color:var(--gold)}
.player .row{display:flex;align-items:center;gap:14px}
.play{width:64px;height:64px;border-radius:50%;border:0;background:var(--gold);color:#1b2430;display:grid;place-items:center;cursor:pointer;flex:none;box-shadow:0 8px 20px rgba(0,0,0,.25);transition:transform .15s}
.play:active{transform:scale(.96)}
.play .icon{width:28px;height:28px;stroke-width:2.4;fill:#1b2430;stroke:#1b2430}
.play .ic-pause{display:none}
.player.playing .ic-play{display:none}
.player.playing .ic-pause{display:block}
.player .meta{flex:1;min-width:0}
.player .title{font-weight:600;font-size:15px}
.player .sub{font-size:13px;opacity:.8;margin-top:2px}
.progress{margin-top:14px}
.progress input[type=range]{width:100%;accent-color:var(--gold);height:4px;cursor:pointer}
.times{display:flex;justify-content:space-between;font-size:12px;opacity:.8;font-variant-numeric:tabular-nums}
.player .tools{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
.chip{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#fff;border-radius:999px;padding:6px 12px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.chip .icon{width:16px;height:16px}
.chip.on{background:var(--gold);color:#1b2430;border-color:var(--gold)}

/* Transcript */
.transcript p{margin:0 0 12px;padding:10px 12px;border-radius:10px;font-size:15px;color:var(--ink);transition:background .3s}
.transcript p.now{background:#fff3c4;box-shadow:inset 3px 0 0 var(--gold)}
.transcript p:last-child{margin-bottom:0}

/* Info */
.info{display:grid;gap:12px}
.info .it{display:flex;gap:12px;align-items:flex-start}
.info .it .icon{color:var(--teal);margin-top:2px}
.info .k{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.info .v{font-size:15px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:13px 16px;font-weight:700;font-size:15px;text-decoration:none;border:0;cursor:pointer;width:100%}
.btn-primary{background:var(--navy);color:#fff}
.btn-gold{background:var(--gold);color:#1b2430}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--navy)}
.btn .icon{width:20px;height:20px}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}

/* Facts */
.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.fact{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.fact .n{font-size:22px;font-weight:700;color:var(--navy);line-height:1.1}
.fact .l{font-size:12px;color:var(--muted);margin-top:4px}

/* Nearby / list */
.list{display:grid;gap:12px}
.item{display:flex;gap:12px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:10px;text-decoration:none;color:inherit;transition:transform .15s,box-shadow .15s}
.item:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.item img{width:84px;height:84px;border-radius:10px;object-fit:cover;flex:none}
.item .t{font-weight:700;font-size:15px;line-height:1.3}
.item .s{font-size:13px;color:var(--muted);margin-top:3px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.item .d{font-size:12px;color:var(--teal);font-weight:700;margin-top:4px;display:flex;align-items:center;gap:4px}
.item .d .icon{width:14px;height:14px}
.item .code{font-size:11px;font-weight:700;color:var(--gold-2);letter-spacing:.06em}

/* Index hero */
.hero-index{background:linear-gradient(135deg,var(--navy),var(--teal));color:#fff;border-radius:var(--radius);padding:26px 20px;margin-top:16px;box-shadow:var(--shadow)}
.hero-index h1{margin:8px 0 6px;font-size:26px;line-height:1.2}
.hero-index p{margin:0;opacity:.9;font-size:15px}
.hero-index .op{font-size:12px;opacity:.75;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
#map{height:280px;border-radius:14px;border:1px solid var(--line);z-index:1}
.leaflet-container{font-family:var(--font)}

/* Footer */
footer{margin:28px 0 24px;text-align:center;color:var(--muted);font-size:12px;line-height:1.7}
footer b{color:var(--navy)}
footer .by{opacity:.75}

/* Chat FAB hint */
.chat-cta{position:fixed;left:16px;bottom:18px;z-index:15;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:999px;padding:10px 14px;font-size:13px;font-weight:700;color:var(--navy);cursor:pointer}
.chat-cta .icon{color:var(--teal)}

/* Admin / report */
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.table th{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.table td.num,.table th.num{text-align:right;font-variant-numeric:tabular-nums}
.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.pill.ok{background:#e3f5ec;color:var(--ok)}
.pill.wait{background:#fdf1dc;color:var(--warn)}
.pill.draft{background:#e9eef3;color:var(--muted)}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.bars{display:grid;gap:6px}
.bar{display:grid;grid-template-columns:84px 1fr 40px;align-items:center;gap:8px;font-size:12px;color:var(--muted)}
.bar i{display:block;height:10px;border-radius:6px;background:linear-gradient(90deg,var(--teal),var(--navy));min-width:2px}
.bar b{text-align:right;color:var(--ink);font-variant-numeric:tabular-nums}
.steps{display:grid;gap:12px;counter-reset:s}
.step{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.step .n{width:28px;height:28px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700;font-size:13px;flex:none}
.step .t{font-weight:700;font-size:14px}
.step .s{font-size:13px;color:var(--muted)}
textarea,input[type=text],select{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font:inherit;font-size:14px;background:#fff}
.nav-tabs{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}
.nav-tabs a{text-decoration:none;font-size:13px;font-weight:700;padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--navy)}
.nav-tabs a.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.note{font-size:13px;color:var(--muted);margin-top:8px}

/* Print sheet */
@media print{
  body{background:#fff}
  .noprint{display:none !important}
  .sheet{box-shadow:none;margin:0}
}
.sheet{background:#fff;width:210mm;min-height:297mm;margin:16px auto;padding:14mm;box-shadow:var(--shadow);display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:min-content;gap:10mm}
.qrcard{border:1.5px solid var(--navy);border-radius:6mm;padding:7mm;text-align:center;display:flex;flex-direction:column;align-items:center;gap:3mm;break-inside:avoid}
.qrcard img{width:52mm;height:52mm}
.qrcard .code{font-size:10pt;font-weight:700;color:var(--gold-2);letter-spacing:.1em}
.qrcard .nm{font-size:14pt;font-weight:700;color:var(--navy);line-height:1.2}
.qrcard .en{font-size:10pt;color:var(--muted);display:block !important}
.qrcard .hint{font-size:9pt;color:var(--ink);margin-top:2mm;line-height:1.4}
.qrcard .op{font-size:8pt;color:var(--muted);margin-top:auto}
.qrcard .url{font-size:8pt;color:var(--teal);word-break:break-all}

@media (min-width:720px){
  .hero h1{font-size:32px}
  .facts{grid-template-columns:repeat(4,1fr)}
  .kpis{grid-template-columns:repeat(4,1fr)}
}

/* v5: đa ngôn ngữ thuyết minh, Sổ tay, ghi công ảnh */
[lang="km"]{font-family:"Noto Sans Khmer",var(--font);line-height:1.8}
[lang="zh-Hans"]{font-family:"PingFang SC","Noto Sans SC","Microsoft YaHei",var(--font)}
[lang="ko"]{font-family:"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",var(--font)}
.player .langs{margin-top:14px}
.chip.nl.on{background:var(--gold);color:#1b2430;border-color:var(--gold)}
.tr{display:none}
.tr.on{display:block}
.credit{display:flex;align-items:center;gap:6px;font-size:11px;color:var(--muted);text-decoration:none;margin:6px 4px 0}
.credit .icon{width:13px;height:13px}
.lts{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.lt{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:#eef3f6;color:var(--navy)}
.lt.light{background:rgba(255,255,255,.16);color:#fff}
.sotay{background:#fbf7ec}
.sotay-aud{display:grid;gap:8px;margin:4px 0 12px}
.sa{display:grid;grid-template-columns:86px 1fr;align-items:center;gap:8px}
.sa .lbl{font-size:13px;font-weight:700;color:var(--navy)}
.sa audio{width:100%;height:36px}
.qlangs{font-size:8.5pt;color:var(--muted)}
@page{size:A4;margin:8mm}
@media print{
  .sheet{width:auto;min-height:0;margin:0;padding:0;gap:6mm}
  .qrcard{padding:5mm;gap:2mm;height:132mm}
  .qrcard img{width:46mm;height:46mm}
}