:root{--bg:#EEF2F5;--card:#fff;--ink:#05343A;--mut:#5A6B70;--line:#D5DEE2;--pri:#0A6E7A;--pri2:#0C7A87;--ok:#0F7A4A;--warn:#9A5B00;--bad:#B42318;--pad:max(16px,env(safe-area-inset-left));--padr:max(16px,env(safe-area-inset-right));--padt:max(12px,env(safe-area-inset-top));--padb:max(16px,env(safe-area-inset-bottom));--touch:48px;--radius:16px;--shadow:0 8px 28px rgba(5,52,58,.08)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font:400 16px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-text-size-adjust:100%}
button,input,select{font:inherit}a{color:var(--pri2);text-decoration:none}
.nv-wrap{max-width:720px;margin:0 auto;padding:var(--padt) var(--padr) var(--padb) var(--pad)}
.nv-brand h1{margin:4px 0 8px;font-size:1.55rem;letter-spacing:-.02em}.nv-kicker{margin:0;font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--pri)}.nv-sub,.nv-foot{color:var(--mut);font-size:.92rem}
.nv-hub-grid{display:grid;gap:14px;margin:22px 0}.nv-hub-card{display:grid;gap:6px;padding:18px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);min-height:120px}.nv-hub-card strong{font-size:1.2rem}.nv-hub-card span:last-child{color:var(--mut);font-size:.92rem}.nv-hub-ico{font-size:1.6rem}
.nv-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px;position:sticky;top:0;z-index:5;padding:var(--padt) 0 10px;background:linear-gradient(var(--bg) 70%,transparent)}
.nv-who{display:grid;gap:2px;min-width:0}.nv-who b{font-size:1.05rem}.nv-who span{color:var(--mut);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.nv-out{appearance:none;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:10px 14px;font-weight:700;min-height:var(--touch);cursor:pointer}
.nv-login{display:grid;gap:12px;padding:18px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);max-width:420px}
.nv-login label{display:grid;gap:6px;font-weight:600;font-size:.92rem}.nv-login input{min-height:var(--touch);padding:12px 14px;border:1px solid #9aa9b0;border-radius:12px;width:100%}
.nv-btn{appearance:none;border:0;border-radius:14px;min-height:var(--touch);padding:12px 16px;font-weight:800;cursor:pointer;background:var(--pri);color:#fff}.nv-btn:disabled{opacity:.55;cursor:not-allowed}.nv-btn.sec{background:#E7EEF0;color:var(--ink)}.nv-btn.ok{background:var(--ok)}.nv-btn.wide{width:100%}
.nv-err{color:var(--bad);margin:0;font-weight:600}.nv-hint{color:var(--mut);font-size:.9rem;margin:0}
.nv-sec{margin:18px 0 8px}.nv-sec h2{margin:0;font-size:1.05rem;display:flex;align-items:center;gap:8px}.nv-count{display:inline-flex;align-items:center;justify-content:center;min-width:28px;height:28px;padding:0 8px;border-radius:999px;background:#D9ECEF;color:var(--pri);font-size:.85rem;font-weight:800}
.nv-list{display:grid;gap:12px}.nv-card{display:grid;gap:10px;padding:16px;border-radius:var(--radius);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.nv-room{font-size:2rem;line-height:1;font-weight:900;letter-spacing:-.03em}.nv-type{font-weight:800;font-size:1.05rem}.nv-items{margin:0;padding:0;list-style:none;display:grid;gap:4px}.nv-items li{font-size:1rem}.nv-items b{font-weight:800}.nv-meta{display:grid;gap:4px;color:var(--mut);font-size:.92rem}.nv-meta strong{color:var(--ink);font-weight:700}.nv-st{display:inline-block;font-weight:800;font-size:.85rem;padding:4px 10px;border-radius:999px;background:#E7EEF0;color:var(--ink);width:fit-content}
.nv-st.moi{background:#E8F3FF;color:#0B4F8A}.nv-st.dang{background:#FFF3D6;color:var(--warn)}.nv-st.xong{background:#E3F6EA;color:var(--ok)}
.nv-acts{display:flex;flex-wrap:wrap;gap:8px}.nv-acts .nv-btn{flex:1 1 140px}
.nv-empty{padding:18px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--mut);background:rgba(255,255,255,.5)}
.nv-desk{display:none}
@media (min-width:900px){
  .nv-wrap{max-width:1100px}
  .nv-hub-grid{grid-template-columns:1fr 1fr}
  .nv-desk{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
  .nv-desk .nv-list{max-height:calc(100vh - 160px);overflow:auto;padding-right:4px}
  .nv-detail{position:sticky;top:84px;min-height:280px}
  .nv-card.on{outline:2px solid var(--pri);outline-offset:1px}
  .nv-room{font-size:2.4rem}
}
@media (max-width:899px){
  .nv-mob-only{display:block}.nv-detail-mob{margin-top:8px}
}