*{
    box-sizing:border-box;
}

:root{
    --bg:#f3f6fb;
    --panel:#ffffff;
    --sidebar:#111827;
    --sidebar2:#1f2937;
    --text:#111827;
    --muted:#6b7280;
    --border:#e5e7eb;
    --blue:#2563eb;
    --green:#16a34a;
    --red:#dc2626;
    --orange:#d97706;
}

body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        "Microsoft YaHei",
        Arial,
        sans-serif;
}

a{
    text-decoration:none;
    color:inherit;
}

.layout{
    display:flex;
    min-height:100vh;
}

.sidebar{
    width:245px;
    background:var(--sidebar);
    color:#fff;
    padding:24px 16px;
    position:fixed;
    left:0;
    top:0;
    bottom:0;
}

.brand{
    font-size:21px;
    font-weight:750;
    margin:0 8px 28px;
}

.brand span{
    display:inline-block;
    margin-left:6px;
    font-size:10px;
    background:#2563eb;
    padding:3px 6px;
    border-radius:5px;
    vertical-align:middle;
}

.nav a{
    display:block;
    color:#cbd5e1;
    padding:12px 14px;
    margin:4px 0;
    border-radius:9px;
    font-size:14px;
}

.nav a:hover,
.nav a.active{
    background:var(--sidebar2);
    color:#fff;
}

.sidebar-foot{
    position:absolute;
    bottom:20px;
    left:24px;
    color:#64748b;
    font-size:12px;
}

.main{
    margin-left:245px;
    flex:1;
    min-width:0;
    padding:28px 32px 50px;
}

.header{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:22px;
}

.header h2{
    margin:0;
    font-size:25px;
}

.subtitle{
    color:var(--muted);
    font-size:13px;
    margin-top:4px;
}

.user{
    background:#fff;
    padding:9px 14px;
    border-radius:9px;
    box-shadow:0 2px 10px rgba(0,0,0,.04);
    font-size:13px;
}

.cards{
    display:grid;
    grid-template-columns:
        repeat(
            auto-fit,
            minmax(165px,1fr)
        );
    gap:15px;
}

.card,
.panel{
    background:var(--panel);
    border:1px solid #edf0f5;
    border-radius:13px;
    box-shadow:
        0 2px 12px
        rgba(15,23,42,.045);
}

.card{
    padding:19px 20px;
}

.card-title{
    color:var(--muted);
    font-size:12px;
    margin-bottom:9px;
}

.card-value{
    font-size:28px;
    font-weight:750;
}

.card-small{
    font-size:12px;
    color:var(--muted);
    margin-top:7px;
}

.online{
    color:var(--green);
}

.offline{
    color:var(--red);
}

.warning{
    color:var(--orange);
}

.panel{
    margin-top:18px;
    padding:20px;
    overflow:auto;
}

.panel h3{
    margin:0 0 15px;
}

.toolbar{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
    align-items:center;
    margin-bottom:16px;
}

.toolbar a,
.toolbar button{
    white-space:nowrap;
}

table{
    width:100%;
    border-collapse:collapse;
}

th,
td{
    padding:11px 10px;
    border-bottom:
        1px solid var(--border);
    text-align:left;
    font-size:13px;
    vertical-align:top;
}

th{
    color:#4b5563;
    background:#f8fafc;
    font-weight:650;
}

tr:hover td{
    background:#fafcff;
}

.badge{
    display:inline-block;
    padding:4px 8px;
    border-radius:999px;
    font-size:11px;
    font-weight:650;
}

.badge-blue{
    background:#dbeafe;
    color:#1d4ed8;
}

.badge-green{
    background:#dcfce7;
    color:#166534;
}

.badge-red{
    background:#fee2e2;
    color:#991b1b;
}

.badge-orange{
    background:#ffedd5;
    color:#9a3412;
}

.btn{
    display:inline-block;
    border:0;
    border-radius:8px;
    padding:8px 11px;
    background:var(--blue);
    color:#fff;
    cursor:pointer;
    font-size:12px;
}

.btn:hover{
    opacity:.9;
}

.btn-danger{
    background:var(--red);
}

.btn-gray{
    background:#475569;
}

.btn-green{
    background:var(--green);
}

.btn-orange{
    background:var(--orange);
}

form.inline{
    display:inline-block;
    margin:0 4px 4px 0;
}

input,
textarea,
select{
    width:100%;
    border:
        1px solid #d1d5db;
    border-radius:8px;
    padding:10px 11px;
    background:#fff;
    font:inherit;
}

label{
    display:block;
    margin-bottom:14px;
    font-size:13px;
    color:#374151;
}

pre{
    margin:0;
    background:#0f172a;
    color:#e2e8f0;
    border-radius:10px;
    padding:16px;
    overflow:auto;
    font-size:12px;
    line-height:1.55;
}

.flash{
    padding:12px 14px;
    border-radius:9px;
    margin-bottom:18px;
}

.flash-success{
    background:#dcfce7;
    color:#166534;
}

.flash-error{
    background:#fee2e2;
    color:#991b1b;
}

.empty{
    color:var(--muted);
    text-align:center;
    padding:35px;
}

.grid2{
    display:grid;
    grid-template-columns:
        repeat(
            2,
            minmax(0,1fr)
        );
    gap:18px;
}

.zone-card{
    padding:17px;
    border:1px solid var(--border);
    border-radius:10px;
    background:#fafcff;
}

.zone-card h4{
    margin:0 0 12px;
}

.kv{
    display:grid;
    grid-template-columns:
        150px 1fr;
    gap:7px 12px;
    font-size:13px;
}

.kv .k{
    color:var(--muted);
}

.login-wrap{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
}

.login-box{
    width:390px;
    background:#fff;
    border-radius:15px;
    padding:32px;
    box-shadow:
        0 10px 40px
        rgba(15,23,42,.1);
}

.login-box h2{
    margin-top:0;
}

@media(max-width:850px){

    .sidebar{
        width:185px;
    }

    .main{
        margin-left:185px;
        padding:18px;
    }

    .grid2{
        grid-template-columns:1fr;
    }
}

.status-dot{
    display:inline-block;
    width:9px;
    height:9px;
    border-radius:50%;
    margin-right:6px;
}

.dot-green{
    background:#16a34a;
}

.dot-red{
    background:#dc2626;
}

.chart{
    margin-top:15px;
}

.chart-row{
    display:grid;
    grid-template-columns:
        95px
        1fr
        70px;
    gap:12px;
    align-items:center;
    margin:10px 0;
    font-size:13px;
}

.chart-track{
    height:15px;
    background:#eef2f7;
    border-radius:999px;
    overflow:hidden;
}

.chart-fill{
    height:100%;
    min-width:2px;
    border-radius:999px;
}

.chart-success{
    background:#16a34a;
}

.chart-deferred{
    background:#d97706;
}

.chart-rejected{
    background:#dc2626;
}

.export-box{
    display:flex;
    gap:10px;
    flex-wrap:wrap;
}

.text-danger{
    color:#dc2626;
}

.text-success{
    color:#16a34a;
}

.search-bar{
    display:grid;
    grid-template-columns:
        2fr
        1fr
        1fr
        auto;
    gap:10px;
    margin-bottom:18px;
}

.pagination{
    display:flex;
    flex-wrap:wrap;
    gap:5px;
    margin-top:18px;
}

.pagination a,
.pagination span{
    padding:7px 10px;
    border:1px solid #d1d5db;
    border-radius:7px;
    font-size:12px;
    background:#fff;
}

.pagination .current{
    background:#2563eb;
    color:#fff;
    border-color:#2563eb;
}

.pagination .disabled{
    color:#9ca3af;
}

@media(max-width:900px){

    .search-bar{
        grid-template-columns:1fr;
    }
}