:root{
  --bg:#f7f2e9; --card:#fff; --ink:#2a2b22; --muted:#706c60; --line:#e6dccb;
  --brand:#62644f; --brand-2:#4b4d3b; --accent:#cdb18f; --danger:#b4412f; --ok:#2e7d4f; --warn:#b7791f;
  --radius:12px; --shadow:0 1px 2px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,"Segoe UI",Roboto,"Noto Sans","Helvetica Neue",Arial,sans-serif}
a{color:var(--brand)}
html{overflow-y:scroll;scrollbar-gutter:stable}
.topbar{background:var(--brand);color:#fff;position:sticky;top:0;z-index:20}
.topbar .in{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:10px 16px;flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:#fff;text-decoration:none;letter-spacing:.2px}
.logo .mark{width:34px;height:34px;border-radius:9px;background:#f5ede1 url(logo.png) center/cover no-repeat;color:transparent;font-size:0;display:block}
.nav{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto}
.nav a{position:relative;color:#f1ead9;text-decoration:none;padding:6px 12px;border-radius:8px;white-space:nowrap}
.nav .badge{position:absolute;top:-5px;right:-5px;padding:1px 6px;font-size:11px;line-height:1.35;box-shadow:0 0 0 2px var(--brand)}
.nav #pn-btn{min-width:38px;text-align:center;padding-left:0;padding-right:0}
.nav a:hover,.nav a.on{background:rgba(255,255,255,.14);color:#fff}
.wrap{max-width:1180px;margin:0 auto;padding:22px 16px 60px}
h1{font-size:22px;margin:0 0 16px}
h2{font-size:17px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:16px}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:760px){.g2,.g3,.g4{grid-template-columns:1fr}.nav{margin-left:0}.topbar .in{gap:6px;padding:6px 10px}.nav a{padding:4px 8px;font-size:13px}.logo{font-size:15px}}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px;font-weight:600}
input[type=text],input[type=date],input[type=time],input[type=datetime-local],input[type=number],input[type=password],input[type=tel],input[type=url],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #d6d0c6;border-radius:9px;background:#fff;font:inherit;color:inherit}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(31,111,92,.25);border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;background:var(--brand);color:#fff;padding:9px 16px;border-radius:9px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn:hover{background:var(--brand-2)}
.btn.sec{background:#fff;color:var(--ink);border-color:#d6d0c6}
.btn.sec:hover{background:#f3f0ea}
.btn.danger{background:#fff;color:var(--danger);border-color:#e6c4bd}
.btn.danger:hover{background:#fbefec}
.btn.accent{background:var(--accent)}
.btn.lg{padding:12px 22px;font-size:16px}
.btn.sm{padding:5px 10px;font-size:13px}
.btn:disabled{opacity:.55;cursor:wait}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.spacer{flex:1}
.muted{color:var(--muted)}
.small{font-size:13px}
.flash{padding:10px 14px;border-radius:9px;margin-bottom:12px;border:1px solid}
.flash.ok{background:#eaf5ee;border-color:#bfe0cb;color:#1d5a36}
.flash.error{background:#fbeeec;border-color:#efc9c2;color:#8a2f20}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:700;background:#eee;color:#555}
.badge.ok{background:#e3f3e9;color:var(--ok)}
.badge.wait{background:#fdf1df;color:var(--warn)}
.badge.no{background:#f6e3df;color:var(--danger)}
table.list{width:100%;border-collapse:collapse}
table.list th,table.list td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
table.list th{font-size:12px;text-transform:uppercase;letter-spacing:.4px;color:var(--muted)}
table.list tr:hover td{background:#faf8f4}
.tablewrap{overflow-x:auto}
/* tenant cards */
.tenant{border:1px dashed #cfc8bc;border-radius:12px;padding:14px;margin-bottom:12px;background:#fcfbf8}
.tenant.primary{border-style:solid;border-color:#b9d7cd;background:#f5fbf8}
.tenant .head{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.tenant .head b{font-size:15px}
.scanbox{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.scanstatus{font-size:13px}
.scanstatus.ok{color:var(--ok)} .scanstatus.err{color:var(--danger)} .scanstatus.warn{color:var(--warn)}
.thumb{width:64px;height:44px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.hidden{display:none!important}
.field-warn{border-color:var(--warn)!important;background:#fffaf0!important}
.linkbox{display:flex;gap:8px}
.linkbox input{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}
.kv{display:grid;grid-template-columns:150px 1fr;gap:4px 12px;font-size:14px}
.kv div:nth-child(odd){color:var(--muted)}
.qr{width:150px;height:150px;border:1px solid var(--line);border-radius:10px}
.hint{background:#fdf6ea;border:1px solid #f0dfbf;border-radius:10px;padding:10px 14px;font-size:14px}
/* signature pad */
.sigpad{position:relative;border:2px dashed #b9c8c2;border-radius:12px;background:#fff;touch-action:none;height:200px}
.sigpad canvas{width:100%;height:100%;display:block;border-radius:12px;cursor:crosshair}
.sigpad .ph{position:absolute;inset:0;display:grid;place-items:center;color:#b5bdb9;pointer-events:none;font-size:15px}
/* public pages */
.pub{max-width:860px;margin:0 auto;padding:18px 14px 80px}
.pub-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.pub-head .brand{font-weight:800;color:var(--brand);font-size:18px;display:flex;gap:8px;align-items:center}
.pub-head .brand .mark{width:30px;height:30px;border-radius:8px;background:#f5ede1 url(logo.png) center/cover no-repeat;color:transparent;font-size:0;display:inline-block;vertical-align:middle;margin-right:8px}
.langsw a{padding:5px 10px;border-radius:8px;text-decoration:none;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink)}
.langsw a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.center-card{max-width:440px;margin:8vh auto 0}
.sign-panel{position:relative;border:2px solid var(--brand);background:#fff}
.success{background:#eaf5ee;border:1px solid #bfe0cb;color:#1d5a36;border-radius:12px;padding:16px;font-weight:600}

/* ============== contract document ============== */
.doc{background:#fff;color:#111;font-family:"Times New Roman","Noto Serif","DejaVu Serif",serif;font-size:15px;line-height:1.55;
  padding:42px 48px;border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow)}
@media (max-width:640px){.doc{padding:20px 16px;font-size:14px}}
.doc h3{font-size:15.5px;margin:20px 0 8px}
.doc .center{text-align:center}
.doc .nat{font-weight:700;margin:0}
.doc .nat2{font-weight:700;margin:0 0 4px}
.doc .rule{width:160px;border:0;border-top:1px solid #111;margin:6px auto 18px}
.doc .title{font-size:20px;font-weight:700;margin:4px 0}
.doc .fx{color:#2d3a4a}
.doc .fx-title{font-size:17px;font-weight:700;margin:0;color:#2d3a4a}
.doc .code{font-size:13.5px;margin:6px 0 10px}
.doc p{margin:5px 0}
.doc ul{margin:4px 0 8px;padding-left:22px}
.doc li{margin:3px 0}
.doc .party{margin:6px 0 10px}
.doc .party b.lbl{display:block;margin-bottom:2px}
.doc .lang-block{margin-bottom:10px}
.doc .lang-block.fx{border-left:3px solid #dfe5ec;padding-left:12px}
.doc table.t{width:100%;border-collapse:collapse;margin:8px 0;font-size:14px}
.doc table.t th,.doc table.t td{border:1px solid #444;padding:5px 7px;vertical-align:top}
.doc table.t th{background:#f2f2f2}
.doc .sigs{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px;text-align:center}
.doc .sigs.occ{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-top:16px}
.doc .sig{min-height:150px;display:flex;flex-direction:column;align-items:center}
.doc .sig .hint2{font-style:italic;font-size:13px}
.doc .sig img{height:80px;max-width:220px;object-fit:contain;margin:6px 0}
.doc .sig .blank{height:80px}
.doc .sig .stamp{font-size:11.5px;color:#62644f;font-family:Arial,sans-serif}
.doc .pagebreak{border-top:1px dashed #ccc;margin:34px 0 26px}
.doc .cert{font-family:Arial,sans-serif;font-size:12.5px}
.doc .cert td{word-break:break-all}
.doc .extra{white-space:pre-wrap}

@media print{
  @page{size:A4;margin:16mm 15mm}
  body{background:#fff}
  .noprint,.topbar,.flash{display:none!important}
  .wrap,.pub{padding:0;max-width:none}
  .doc{border:0;box-shadow:none;padding:0;font-size:12.5pt}
  .doc .pagebreak{border:0;margin:0;page-break-before:always;break-before:page}
  .doc .sigs,.doc table.t tr{break-inside:avoid}
}

/* modal */
.modal{position:fixed;inset:0;background:rgba(20,30,28,.45);z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:6vh 14px 14px;overflow:auto}
.modal-box{background:#fff;border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.25);width:100%;max-width:640px;padding:18px}
.modal-box.wide{max-width:980px}
.apt-list{max-height:52vh;overflow:auto;margin-top:10px;display:grid;gap:8px}
.apt-item{display:block;width:100%;text-align:left;border:1px solid var(--line);background:#fcfbf8;border-radius:10px;padding:10px 12px;cursor:pointer;font:inherit;color:inherit}
.apt-item:hover,.apt-item:focus{border-color:var(--brand);background:#f3faf7;outline:none}
tr.sel td{background:#f3faf7}
.kb-table td,.kb-table th{font-size:13px}
.kb-table select,.kb-table input{padding:5px 7px;font-size:13px}

/* hướng dẫn nhận phòng */
.g-modes{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin:6px 0 4px}
.radio-card{display:flex;align-items:center;gap:8px;border:1.5px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer;background:#fff;color:var(--ink);font-weight:500;font-size:14px;margin:0}
.radio-card input{accent-color:var(--brand)}
.radio-card .ic{font-size:20px}
.radio-card:has(input:checked){border-color:var(--brand);background:#f0f8f5}
.g-sec{border-left:3px solid #cfe5dd;padding:6px 0 6px 12px;margin:10px 0;font-size:15px;line-height:1.6}
.g-h{font-weight:700;margin-bottom:2px}
.guide-card{border:2px solid var(--accent);background:#fffdf8}
.g-tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px}
.g-tabs button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 12px;cursor:pointer;font:inherit}
.g-tabs button.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.g-row{border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:8px;background:#fcfbf8}
.g-access{margin-bottom:14px}
.g-codes{display:grid;gap:8px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.g-code{border:1.5px solid #cfe5dd;background:#f3faf7;border-radius:10px;padding:8px 12px}
.g-val{font:700 20px/1.3 ui-monospace,Menlo,Consolas,monospace;letter-spacing:1px;flex:1;word-break:break-all}