/* Remote Pin Hoàng Long — cổng remote desktop. Dark, kiểu "Windows App". Không framework. */
:root{
  --bg:#0f1014; --bg2:#15171e; --panel:#1b1e27; --panel2:#21252f;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.14);
  --txt:#eef1f6; --mut:#9aa3b2; --mut2:#6b7280;
  --acc:#3b82f6; --acc2:#2563eb; --accg:linear-gradient(135deg,#6366f1,#3b82f6);
  --ok:#22c55e; --warn:#f59e0b; --err:#ef4444;
  --r:16px; --r2:12px; --sh:0 10px 30px rgba(0,0,0,.35);
  --gfont:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:radial-gradient(1200px 600px at 80% -10%,#1b2030 0,var(--bg) 55%) fixed;color:var(--txt);font-family:var(--gfont);-webkit-font-smoothing:antialiased;font-size:15px}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.hide{display:none!important}
.spin{width:22px;height:22px;border:2.5px solid rgba(255,255,255,.2);border-top-color:#fff;border-radius:50%;animation:sp .7s linear infinite;display:inline-block}
@keyframes sp{to{transform:rotate(360deg)}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition:none!important}}

/* ---------- LOGIN ---------- */
#login{min-height:100%;display:grid;place-items:center;padding:24px}
.lg-card{width:100%;max-width:400px;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh);padding:34px 30px;animation:pop .4s ease}
.lg-logo{display:flex;align-items:center;gap:12px;justify-content:center;margin-bottom:6px}
.lg-logo img{height:46px;width:auto;border-radius:10px}
.lg-h{text-align:center;font-size:21px;font-weight:700;margin:14px 0 2px}
.lg-sub{text-align:center;color:var(--mut);font-size:13.5px;margin-bottom:22px}
.fld{margin-bottom:14px}
.fld label{display:block;font-size:12.5px;color:var(--mut);margin:0 0 6px 2px;font-weight:600}
.inp{width:100%;background:#0c0e13;border:1px solid var(--line2);color:var(--txt);border-radius:12px;padding:13px 14px;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s}
.inp:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.inp::placeholder{color:#555b68}
.btn{width:100%;border:none;border-radius:12px;padding:13px;font-size:15.5px;font-weight:650;cursor:pointer;background:var(--accg);color:#fff;display:flex;align-items:center;justify-content:center;gap:9px;transition:filter .15s,transform .05s}
.btn:hover{filter:brightness(1.08)} .btn:active{transform:translateY(1px)} .btn:disabled{opacity:.6;cursor:default}
.btn.sec{background:var(--panel2);border:1px solid var(--line2)}
.btn.ghost{background:transparent;border:1px solid var(--line2);color:var(--mut)}
.btn.danger{background:linear-gradient(135deg,#f05252,#dc2626)}
.btn.sm{width:auto;padding:9px 15px;font-size:13.5px;border-radius:10px}
.msg{border-radius:11px;padding:11px 13px;font-size:13.5px;margin-bottom:14px;display:flex;gap:9px;align-items:flex-start;line-height:1.45}
.msg.err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.3);color:#fca5a5}
.msg.warn{background:rgba(245,158,11,.12);border:1px solid rgba(245,158,11,.3);color:#fcd34d}
.msg.ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);color:#86efac}

/* OTP */
.otp{display:flex;gap:9px;justify-content:center;margin:6px 0 4px}
.otp input{width:46px;height:56px;text-align:center;font-size:24px;font-weight:700;background:#0c0e13;border:1px solid var(--line2);border-radius:12px;color:var(--txt);outline:none;transition:border-color .15s,box-shadow .15s}
.otp input:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.otp-timer{text-align:center;font-size:12.5px;color:var(--mut);margin-top:4px}
.enroll{text-align:center}
.enroll img{width:210px;height:210px;background:#fff;border-radius:14px;padding:8px;margin:6px auto 10px;display:block}
.enroll .key{font-family:ui-monospace,Menlo,monospace;font-size:13px;letter-spacing:1px;background:#0c0e13;border:1px solid var(--line2);border-radius:10px;padding:9px;word-break:break-all;margin-bottom:12px;cursor:pointer}

/* ---------- APP SHELL ---------- */
#app{min-height:100%;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:16px;padding:12px 22px;background:rgba(16,18,22,.8);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;white-space:nowrap}
.brand img{height:30px;border-radius:8px}
.tabs{display:flex;gap:4px;margin-left:8px}
.tab{padding:8px 15px;border-radius:10px;color:var(--mut);cursor:pointer;font-weight:600;font-size:14px;border:1px solid transparent;white-space:nowrap}
.tab:hover{color:var(--txt);background:var(--panel)}
.tab.on{color:#fff;background:var(--panel2);border-color:var(--line2)}
.top .sp{flex:1}
.search{position:relative}
.search input{width:230px;max-width:40vw;background:var(--panel);border:1px solid var(--line2);border-radius:11px;padding:9px 13px 9px 34px;color:var(--txt);outline:none;font-size:14px}
.search input:focus{border-color:var(--acc)}
.search svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);opacity:.5}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--accg);display:grid;place-items:center;font-weight:700;cursor:pointer;color:#fff;user-select:none;flex-shrink:0}
.menu{position:absolute;right:16px;top:60px;background:var(--panel);border:1px solid var(--line2);border-radius:14px;box-shadow:var(--sh);min-width:220px;overflow:hidden;z-index:50;animation:pop .15s ease}
.menu .mh{padding:13px 15px;border-bottom:1px solid var(--line)}
.menu .mh b{display:block}.menu .mh span{color:var(--mut);font-size:12.5px}
.menu a{display:flex;gap:10px;align-items:center;padding:11px 15px;cursor:pointer;font-size:14px}
.menu a:hover{background:var(--panel2)}
.menu a.red{color:#fca5a5}
.wrap{flex:1;max-width:1240px;width:100%;margin:0 auto;padding:24px 22px 60px}
.page-h{display:flex;align-items:center;gap:12px;margin:6px 2px 20px}
.page-h h1{font-size:22px;margin:0;font-weight:750}
.page-h .cnt{color:var(--mut);font-size:14px}

/* ---------- MACHINE GRID ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{position:relative;border-radius:var(--r);overflow:hidden;cursor:pointer;background:var(--panel);border:1px solid var(--line);aspect-ratio:16/10;display:flex;flex-direction:column;justify-content:flex-end;transition:transform .12s,box-shadow .12s,border-color .12s;animation:pop .3s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:var(--line2)}
.card .wall{position:absolute;inset:0;z-index:0}
.card .wall::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,18,.05) 30%,rgba(10,12,18,.85) 100%)}
.card .top-row{position:absolute;top:10px;left:10px;right:10px;z-index:2;display:flex;align-items:center;justify-content:space-between}
.chip{background:rgba(0,0,0,.45);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.12);border-radius:8px;padding:4px 9px;font-size:11.5px;font-weight:600;color:#e5e7eb}
.card .acts{display:flex;gap:6px;opacity:0;transition:opacity .12s}
.card:hover .acts,.card .acts.show{opacity:1}
.iconbtn{width:30px;height:30px;border-radius:9px;border:1px solid rgba(255,255,255,.14);background:rgba(0,0,0,.45);backdrop-filter:blur(6px);color:#fff;cursor:pointer;display:grid;place-items:center}
.iconbtn:hover{background:rgba(0,0,0,.65)}
.iconbtn.star.on{color:#fbbf24;border-color:rgba(251,191,36,.5)}
.card .body{position:relative;z-index:2;padding:14px 16px}
.card .nm{font-size:18px;font-weight:700;line-height:1.2;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.card .us{font-size:13px;color:#d1d5db;margin-top:3px;display:flex;align-items:center;gap:6px}
.card .bar{position:absolute;left:16px;bottom:8px;height:3px;width:40px;border-radius:3px;background:var(--ok);z-index:3;box-shadow:0 0 10px var(--ok)}
.dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;display:inline-block}
.dot.on{background:var(--ok);box-shadow:0 0 7px var(--ok)} .dot.off{background:#64748b} .dot.busy{background:var(--warn);box-shadow:0 0 7px var(--warn)}
.card.add{border:1.5px dashed var(--line2);align-items:center;justify-content:center;color:var(--mut);background:transparent}
.card.add:hover{color:var(--txt);border-color:var(--acc);background:rgba(59,130,246,.05)}
.card.add .plus{text-align:center}
.card.add .plus div:first-child{font-size:34px;font-weight:300;line-height:1}
.group-h{grid-column:1/-1;font-size:13px;font-weight:700;color:var(--mut);text-transform:uppercase;letter-spacing:.5px;margin:10px 2px 0;display:flex;align-items:center;gap:8px}
.empty{text-align:center;color:var(--mut);padding:70px 20px}
.empty .big{font-size:48px;margin-bottom:10px;opacity:.5}

/* ---------- TABLE (manage) ---------- */
.subtabs{display:flex;gap:6px;margin-bottom:18px;flex-wrap:wrap}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:14px}
th{text-align:left;padding:12px 15px;color:var(--mut);font-weight:600;font-size:12.5px;text-transform:uppercase;letter-spacing:.4px;border-bottom:1px solid var(--line);background:var(--bg2)}
td{padding:12px 15px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(255,255,255,.02)}
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:600}
.tag.on{background:rgba(34,197,94,.15);color:#86efac} .tag.off{background:rgba(100,116,139,.15);color:#cbd5e1}
.tag.busy{background:rgba(245,158,11,.15);color:#fcd34d} .tag.adm{background:rgba(99,102,241,.18);color:#c7d2fe}
.rowact{display:flex;gap:7px;flex-wrap:wrap}
.lnk{color:var(--acc);cursor:pointer;font-weight:600;font-size:13px} .lnk:hover{text-decoration:underline} .lnk.red{color:#fca5a5}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:12.5px;color:var(--mut)}

/* ---------- MODAL ---------- */
.ov{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);display:grid;place-items:center;z-index:100;padding:20px;animation:pop .15s ease}
.modal{width:100%;max-width:460px;background:linear-gradient(180deg,var(--panel),var(--bg2));border:1px solid var(--line2);border-radius:18px;box-shadow:var(--sh);max-height:90vh;overflow:auto}
.modal.wide{max-width:560px}
.modal h3{margin:0;padding:18px 20px;border-bottom:1px solid var(--line);font-size:17px;display:flex;align-items:center;gap:10px}
.modal .mbody{padding:18px 20px}
.modal .mfoot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px;justify-content:flex-end}
.modal .mfoot .btn{width:auto;padding:10px 18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hintline{font-size:12.5px;color:var(--mut);margin:-6px 0 12px 2px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--panel2);border:1px solid var(--line2);border-radius:12px;padding:12px 18px;box-shadow:var(--sh);z-index:200;font-size:14px;display:flex;gap:9px;align-items:center;animation:pop .2s ease;max-width:90vw}
.toast.ok{border-color:rgba(34,197,94,.4)} .toast.err{border-color:rgba(239,68,68,.4)}
.switch{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none;font-size:14px}
.switch input{display:none}
.switch .track{width:42px;height:24px;border-radius:999px;background:#2a2f3a;position:relative;transition:background .15s;flex-shrink:0}
.switch .track::after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:left .15s}
.switch input:checked+.track{background:var(--acc)} .switch input:checked+.track::after{left:21px}
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.stat .v{font-size:26px;font-weight:750}.stat .l{color:var(--mut);font-size:13px;margin-top:2px}
.loadfull{display:grid;place-items:center;padding:80px}
@media(max-width:640px){
  .wrap{padding:16px 14px 50px}.tabs .tab{padding:8px 11px}.brand span{display:none}
  .search input{width:150px}.grid{grid-template-columns:1fr 1fr;gap:12px}
  .card .nm{font-size:15px}.row2{grid-template-columns:1fr}
}
@media(max-width:460px){.grid{grid-template-columns:1fr}.top{gap:10px;padding:10px 14px}}