:root{--bg:#f4f7fb;--panel:#fff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;--blue:#2563eb;--blue2:#1d4ed8;--green:#16a34a;--red:#dc2626;--amber:#d97706;--nav:#07111f;--nav2:#0f1e33}
*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px}a{color:inherit;text-decoration:none}button,input,select{font:inherit}.shell{display:grid;grid-template-columns:245px minmax(0,1fr);min-height:100vh}.sidebar{background:linear-gradient(180deg,var(--nav),var(--nav2));color:#fff;padding:24px 16px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;border-radius:13px;background:#2563eb;display:grid;place-items:center;font-size:13px;font-weight:900;letter-spacing:.8px;box-shadow:0 8px 24px rgba(37,99,235,.28)}.brand strong{display:block;font-size:16px}.brand span{display:block;color:#93a4bd;font-size:12px;margin-top:2px}.sidebar nav{display:grid;gap:5px;margin-top:34px}.sidebar nav a{padding:11px 13px;border-radius:10px;color:#cbd5e1;font-weight:650}.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.09);color:#fff}.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:18px}.user-mini strong,.user-mini span{display:block}.user-mini span{font-size:11px;color:#94a3b8;margin-top:3px;word-break:break-all}.link-btn{border:0;background:none;color:#93c5fd;padding:8px 0;cursor:pointer}.main{padding:28px;min-width:0}.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:22px}.page-head h1{font-size:26px;line-height:1.1;margin:0}.page-head p{margin:7px 0 0;color:var(--muted)}.inline-form select{min-width:190px}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}.stat{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 8px 24px rgba(15,23,42,.04)}.stat span{color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.stat strong{display:block;font-size:30px;margin-top:9px}.stat em{font-style:normal;font-size:14px;color:var(--muted);margin-left:4px}.grid-2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(320px,.8fr);gap:18px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 24px rgba(15,23,42,.04);overflow:hidden}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 20px;border-bottom:1px solid var(--line)}.panel-head h2{font-size:16px;margin:0}.panel-head p{font-size:12px;color:var(--muted);margin:4px 0 0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}th{font-size:11px;text-transform:uppercase;letter-spacing:.045em;color:var(--muted);background:#fafcff}td strong,td small{display:block}td small{color:var(--muted);font-size:11px;margin-top:4px;max-width:240px;overflow:hidden;text-overflow:ellipsis}.device-table th,.device-table td{padding:11px 10px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:800;letter-spacing:.04em}.badge.ok{background:#dcfce7;color:#166534}.badge.off{background:#e2e8f0;color:#475569}.badge.bad{background:#fee2e2;color:#991b1b}.badge.wait{background:#fef3c7;color:#92400e}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cbd5e1;background:#fff;color:#0f172a;border-radius:9px;padding:8px 11px;font-weight:700;cursor:pointer}.btn:hover{background:#f8fafc}.btn.primary{background:var(--blue);border-color:var(--blue);color:white}.btn.primary:hover{background:var(--blue2)}.btn.danger{background:#fff;border-color:#fecaca;color:#b91c1c}.btn.ghost{background:#f8fafc}.btn.small{font-size:11px;padding:6px 8px}.btn.wide{width:100%}.stack{display:grid;gap:14px}.form-pad{padding:20px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-grid .wide{grid-column:1/-1}label{display:grid;gap:6px;font-weight:650;color:#334155}input,select{width:100%;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#0f172a;padding:10px 11px;outline:none}input:focus,select:focus{border-color:#60a5fa;box-shadow:0 0 0 3px rgba(59,130,246,.12)}code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;background:#f1f5f9;border-radius:6px;padding:2px 5px;font-size:12px}.action-stack{display:grid;gap:5px;min-width:92px}.empty{text-align:center!important;color:var(--muted);padding:28px!important}.empty-page{text-align:center;padding:80px 20px}.empty-page h1{font-size:58px;margin:0}.token-box{background:#eff6ff;border:1px solid #93c5fd;border-radius:14px;padding:16px 18px;margin-bottom:18px}.token-box>strong{display:block;color:#1e40af;margin-bottom:12px}.token-box>div{display:grid;grid-template-columns:70px 1fr;gap:8px;margin:6px 0}.token-box span{color:#475569}.token-box .break{white-space:normal;word-break:break-all}.token-box p{margin:12px 0 0;color:#475569}.note{padding:20px;color:#475569;line-height:1.65}.note p:first-child{margin-top:0}.top-gap{margin-top:18px}.alert{margin-bottom:16px;padding:12px 14px;border-radius:10px;font-weight:650;transition:opacity .5s}.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.alert.fade{opacity:.15}.result-cell{white-space:normal;max-width:420px;line-height:1.4}.login-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#173768 0,transparent 32%),linear-gradient(135deg,#06101d,#0d1a2d 65%,#111827);padding:25px}.login-card{width:min(440px,100%);background:#fff;border-radius:22px;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.35)}.login-brand{margin-bottom:30px}.login-card h1{font-size:28px;margin:0}.login-card>p{color:var(--muted);line-height:1.6;margin:8px 0 24px}.login-card small{display:block;color:#94a3b8;line-height:1.5;margin-top:20px}.login-card .brand span{color:#64748b}
@media(max-width:1100px){.stats{grid-template-columns:repeat(2,1fr)}.grid-2{grid-template-columns:1fr}.shell{grid-template-columns:210px minmax(0,1fr)}}@media(max-width:760px){.shell{display:block}.sidebar{height:auto;position:static}.sidebar nav{grid-template-columns:repeat(2,1fr);margin-top:20px}.sidebar-foot{margin-top:18px}.main{padding:18px}.page-head{align-items:stretch;flex-direction:column}.stats{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.token-box>div{grid-template-columns:1fr}.login-card{padding:24px}}

.scan-cell{min-width:330px;white-space:normal}.scan-form{display:grid;grid-template-columns:1fr 110px;gap:7px;align-items:end}.scan-form label{font-size:10px}.scan-toggle{grid-column:1/2;display:flex!important;grid-template-columns:none!important;align-items:center;gap:7px!important}.scan-toggle input{width:auto}.scan-error{color:#b91c1c!important;white-space:normal!important;max-width:320px!important}.btn:disabled{opacity:.45;cursor:not-allowed}

/* v1.2.0 Multi-Hotel Grouped View */
.device-summary{margin-bottom:16px}.hotel-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:18px}.hotel-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 16px;box-shadow:0 6px 18px rgba(15,23,42,.035);transition:transform .15s,border-color .15s,box-shadow .15s}.hotel-card:hover{transform:translateY(-1px);border-color:#93c5fd;box-shadow:0 10px 24px rgba(37,99,235,.08)}.hotel-card-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.hotel-card-head strong{font-size:15px}.hotel-card-head span,.hotel-code{font-size:10px;font-weight:800;letter-spacing:.05em;color:#64748b;background:#f1f5f9;border-radius:999px;padding:4px 7px}.hotel-card-count{font-size:27px;font-weight:850;margin-top:13px}.hotel-card-count small{font-size:11px;color:var(--muted);font-weight:700}.hotel-card-status{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:11px;margin-top:8px}.dot{width:7px;height:7px;border-radius:50%;display:inline-block}.dot.online{background:var(--green)}.dot.offline{background:#94a3b8;margin-left:7px}.filter-back{margin:-4px 0 16px}.hotel-device-group{margin-bottom:18px}.hotel-group-head{background:linear-gradient(90deg,#f8fbff,#fff)}.hotel-title-row{display:flex;align-items:center;gap:8px}.hotel-title-row h2{font-size:18px}.hotel-overview-panel{margin-bottom:18px}.hotel-overview-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px;padding:16px}.hotel-overview-card{border:1px solid var(--line);border-radius:13px;padding:14px;background:#fbfdff}.hotel-overview-card:hover{border-color:#93c5fd;background:#fff}.hotel-overview-main{display:flex;align-items:baseline;gap:6px;margin:14px 0 9px}.hotel-overview-main strong{font-size:30px}.hotel-overview-main span{font-size:11px;color:var(--muted);font-weight:700}.hotel-overview-meta{display:flex;flex-wrap:wrap;gap:8px 12px;font-size:11px;color:var(--muted)}.hotel-overview-meta b{color:var(--text)}
@media(max-width:760px){.hotel-card-grid,.hotel-overview-grid{grid-template-columns:1fr}.device-summary{grid-template-columns:1fr 1fr}}


/* ==========================================================
   DSB IPTV PREMIUM SIDEBAR v3
   ========================================================== */

.shell{
    grid-template-columns:280px minmax(0,1fr);
}

.sidebar{
    position:sticky;
    top:0;
    height:100vh;
    padding:22px 18px 18px;
    overflow:hidden;
    isolation:isolate;

    background:
        radial-gradient(circle at 15% 0%,
            rgba(37,99,235,.22) 0,
            transparent 28%),
        radial-gradient(circle at 100% 68%,
            rgba(14,165,233,.09) 0,
            transparent 30%),
        linear-gradient(180deg,#061426 0%,#081a31 52%,#0b1e38 100%);

    border-right:1px solid rgba(148,163,184,.10);
    box-shadow:20px 0 60px rgba(15,23,42,.08);
}

.sidebar-glow{
    position:absolute;
    width:180px;
    height:180px;
    left:-70px;
    top:-80px;
    border-radius:50%;
    background:#2563eb;
    opacity:.09;
    filter:blur(30px);
    pointer-events:none;
    z-index:-1;
}

.sidebar-brand-pro{
    min-height:62px;
    position:relative;
    z-index:1;
}

.sidebar-brand-pro .brand-mark{
    width:48px;
    height:48px;
    border-radius:15px;
    background:
        linear-gradient(145deg,#3b82f6 0%,#2563eb 55%,#1d4ed8 100%);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:
        0 12px 28px rgba(37,99,235,.32),
        inset 0 1px 0 rgba(255,255,255,.20);
}

.sidebar-brand-pro .brand-copy strong{
    font-size:18px;
    font-weight:850;
    letter-spacing:-.02em;
}

.sidebar-brand-pro .brand-copy span{
    margin-top:4px;
    font-size:11px;
    color:#93b4dc;
}

.hotel-context{
    margin:18px 0 2px;
    padding:13px 14px;
    border:1px solid rgba(96,165,250,.15);
    border-radius:14px;
    background:
        linear-gradient(135deg,
            rgba(37,99,235,.13),
            rgba(15,23,42,.08));
}

.hotel-context-label{
    display:block;
    color:#6495d3;
    font-size:8px;
    font-weight:900;
    letter-spacing:.14em;
    margin-bottom:6px;
}

.hotel-context strong{
    display:block;
    color:#fff;
    font-size:13px;
}

.hotel-context small{
    display:block;
    color:#8da7c6;
    margin-top:3px;
    font-size:10px;
}

.sidebar-nav-pro{
    display:flex!important;
    flex-direction:column;
    gap:6px!important;
    margin-top:27px!important;
}

.sidebar nav .nav-section{
    padding:0 10px;
    margin:4px 0 7px;
    color:#537293;
    font-size:8px;
    font-weight:900;
    letter-spacing:.17em;
}

.sidebar nav .nav-section.administration{
    margin-top:19px;
}

.sidebar nav .nav-link-pro{
    position:relative;
    display:flex;
    align-items:center;
    gap:12px;
    min-height:57px;
    padding:9px 11px!important;
    color:#aabdd3!important;
    border:1px solid transparent;
    border-radius:14px!important;
    background:transparent!important;
    transition:
        background .18s ease,
        color .18s ease,
        border-color .18s ease,
        transform .18s ease,
        box-shadow .18s ease;
}

.sidebar nav .nav-link-pro:hover{
    color:#fff!important;
    background:rgba(255,255,255,.055)!important;
    border-color:rgba(148,163,184,.08);
    transform:translateX(2px);
}

.sidebar nav .nav-link-pro.active{
    color:#fff!important;
    background:
        linear-gradient(90deg,
            rgba(37,99,235,.24),
            rgba(255,255,255,.075))!important;
    border-color:rgba(96,165,250,.15);
    box-shadow:
        0 10px 26px rgba(0,0,0,.14),
        inset 0 1px 0 rgba(255,255,255,.04);
}

.sidebar nav .nav-link-pro.active:before{
    top:9px;
    bottom:9px;
    left:-1px;
    width:3px;
    border-radius:0 6px 6px 0;
    background:#4f8cff;
    box-shadow:0 0 12px rgba(59,130,246,.8);
}

.nav-icon{
    width:38px;
    height:38px;
    flex:0 0 38px;
    display:grid;
    place-items:center;
    border-radius:11px;
    color:#7f9fc5;
    background:rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.045);
    transition:.18s ease;
}

.nav-icon svg{
    width:19px;
    height:19px;
}

.nav-link-pro:hover .nav-icon{
    color:#bfdbfe;
    background:rgba(59,130,246,.12);
    border-color:rgba(96,165,250,.12);
}

.nav-link-pro.active .nav-icon{
    color:#dbeafe;
    background:
        linear-gradient(145deg,
            rgba(59,130,246,.40),
            rgba(37,99,235,.20));
    border-color:rgba(96,165,250,.20);
    box-shadow:0 7px 18px rgba(37,99,235,.15);
}

.nav-copy{
    min-width:0;
    display:block;
}

.nav-copy strong{
    display:block;
    font-size:13px;
    line-height:1.2;
    color:inherit;
    font-weight:760;
}

.nav-copy small{
    display:block;
    margin-top:4px;
    color:#6985a6;
    font-size:9px;
    line-height:1.2;
    font-weight:550;
}

.nav-link-pro.active .nav-copy small{
    color:#8eb4e4;
}

.sidebar-foot-pro{
    margin-top:auto;
    padding-top:16px;
    border-top:1px solid rgba(148,163,184,.10);
}

.sidebar-status{
    display:flex;
    align-items:center;
    gap:8px;
    margin:0 3px 12px;
    color:#6f8cad;
    font-size:9px;
    font-weight:700;
}

.pulse-dot{
    width:7px;
    height:7px;
    border-radius:50%;
    background:#22c55e;
    box-shadow:0 0 0 4px rgba(34,197,94,.09);
}

.user-card-pro{
    display:flex;
    gap:11px;
    padding:13px;
    border-radius:15px;
    background:
        linear-gradient(145deg,
            rgba(255,255,255,.065),
            rgba(255,255,255,.025));
    border:1px solid rgba(148,163,184,.09);
    box-shadow:0 10px 30px rgba(0,0,0,.08);
}

.user-avatar{
    width:40px;
    height:40px;
    flex:0 0 40px;
    display:grid;
    place-items:center;
    border-radius:12px;
    color:#fff;
    font-size:14px;
    font-weight:850;
    background:linear-gradient(145deg,#3b82f6,#1d4ed8);
    box-shadow:0 8px 18px rgba(37,99,235,.25);
}

.user-card-copy{
    min-width:0;
}

.user-card-copy>strong{
    display:block;
    color:#f8fafc;
    font-size:12px;
    line-height:1.2;
}

.user-card-copy>span{
    display:block;
    max-width:150px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    margin-top:4px;
    color:#7895b7;
    font-size:9px;
}

.sidebar .role-chip{
    margin-top:7px;
    padding:4px 7px;
    background:rgba(37,99,235,.16);
    border:1px solid rgba(96,165,250,.10);
    color:#9fc4f5;
    font-size:8px;
}

.sidebar .hotel-scope{
    font-size:9px;
    color:#7495bb;
}

.logout-pro{
    width:100%;
    margin-top:9px;
    border:1px solid transparent;
    border-radius:12px;
    padding:9px 11px;
    display:flex;
    align-items:center;
    gap:9px;
    background:transparent;
    color:#718ead;
    cursor:pointer;
    font-size:10px;
    font-weight:700;
    transition:.18s ease;
}

.logout-pro svg{
    width:16px;
    height:16px;
}

.logout-pro:hover{
    color:#fecaca;
    background:rgba(239,68,68,.08);
    border-color:rgba(239,68,68,.10);
}

@media(max-width:1100px){
    .shell{
        grid-template-columns:245px minmax(0,1fr);
    }

    .sidebar{
        padding-left:14px;
        padding-right:14px;
    }

    .nav-copy small{
        display:none;
    }
}

@media(max-width:760px){
    .shell{
        display:block;
    }

    .sidebar{
        position:static;
        height:auto;
        min-height:auto;
        padding:16px;
    }

    .sidebar-nav-pro{
        display:grid!important;
        grid-template-columns:1fr 1fr;
        margin-top:20px!important;
    }

    .sidebar nav .nav-section{
        grid-column:1/-1;
    }

    .sidebar nav .nav-link-pro{
        min-height:52px;
    }

    .sidebar-foot-pro{
        margin-top:18px;
    }
}