:root{
  --bg:#eef1f6; --canvas:#e6eaf1; --card:#ffffff; --ink:#1f2937; --mute:#6b7280;
  --faint:#9aa4b2; --border:#dfe3ea; --header:#1e293b; --header-sub:#93a4bd;
  --primary:#2f6fed; --primary-d:#2456c4; --success:#15a34a; --success-d:#12833c;
  --danger:#dc2626; --warn:#d97706; --nt:#c026d3;
  --accent-bg:#e8f0fe; --sel:#d6e4ff; --zebra:#f6f8fb;
  --dw-bg:#fde2e2; --dw-ink:#b91c1c; --nt-bg:#fbe4fb; --nt-ink:#a21caf;
  --logo-bg:#fff7a8; --logo-ink:#7c5b00; --unk-bg:#ffe8cc; --unk-ink:#9a4b00; --ok-bg:#e6ffe6; --ok-ink:#15803d;
  --shadow:0 1px 2px rgba(15,23,42,.05),0 8px 24px rgba(15,23,42,.06);
  --font:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",sans-serif;
  --radius:11px;
}
:root:not([data-theme="light"]){}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0f141c; --canvas:#0b0f16; --card:#161c26; --ink:#e6ebf2; --mute:#9aa6b6;
    --faint:#6b7686; --border:#26303d; --header:#0b111a; --header-sub:#7d8ba0;
    --accent-bg:#1a2534; --sel:#1e3252; --zebra:#1b2230;
    --dw-bg:#3a1a1e; --dw-ink:#ff9c9c; --nt-bg:#331833; --nt-ink:#f0a6ef;
    --logo-bg:#3a3410; --logo-ink:#f4dd7a; --unk-bg:#3a2a12; --unk-ink:#f6b877;
    --ok-bg:#12321f; --ok-ink:#7fdd9e; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0f141c; --canvas:#0b0f16; --card:#161c26; --ink:#e6ebf2; --mute:#9aa6b6;
  --faint:#6b7686; --border:#26303d; --header:#0b111a; --header-sub:#7d8ba0;
  --accent-bg:#1a2534; --sel:#1e3252; --zebra:#1b2230;
  --dw-bg:#3a1a1e; --dw-ink:#ff9c9c; --nt-bg:#331833; --nt-ink:#f0a6ef;
  --logo-bg:#3a3410; --logo-ink:#f4dd7a; --unk-bg:#3a2a12; --unk-ink:#f6b877;
  --ok-bg:#12321f; --ok-ink:#7fdd9e; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{background:var(--canvas);color:var(--ink);font-family:var(--font);font-size:14px;
     -webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}
input,select{font-family:inherit}
.tabular{font-variant-numeric:tabular-nums}

/* Header */
.hdr{background:var(--header);height:56px;display:flex;align-items:center;padding:0 20px;gap:12px}
.hdr .logo{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--primary),#5b8bff);
     display:grid;place-items:center;color:#fff;font-size:15px}
.hdr h1{font-size:16px;font-weight:700;color:#fff;margin:0;letter-spacing:.2px}
.hdr .sub{color:var(--header-sub);font-size:12.5px}
.hdr .right{margin-left:auto;display:flex;align-items:center;gap:14px}
.hdr .right a{color:var(--header-sub);font-size:12.5px;text-decoration:none}
.hdr .right a:hover{color:#fff}
.accent{height:3px;background:linear-gradient(90deg,var(--primary),#5b8bff)}
.iconbtn{background:transparent;border:0;color:var(--header-sub);font-size:16px;padding:4px 6px;border-radius:6px}
.iconbtn:hover{color:#fff;background:rgba(255,255,255,.08)}

/* Tab strip */
.tabs{display:flex;gap:6px;padding:10px 14px 0;overflow-x:auto}
.tab{font-weight:700;font-size:12.5px;color:var(--mute);background:transparent;border:0;
     padding:9px 15px;border-radius:9px 9px 0 0;white-space:nowrap}
.tab:hover{color:var(--ink);background:var(--bg)}
.tab.on{color:var(--primary);background:var(--card);box-shadow:0 -2px 8px rgba(15,23,42,.05)}

/* Layout */
.page{background:var(--bg);min-height:calc(100vh - 59px)}
.panel{background:var(--card);margin:0 14px 14px;border:1px solid var(--border);
     border-radius:0 var(--radius) var(--radius) var(--radius);box-shadow:var(--shadow);padding:16px 18px 18px}
.grid2{display:grid;grid-template-columns:1.15fr 1fr;gap:12px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.spacer{margin-left:auto}
.muted{color:var(--mute)} .small{font-size:12px}

/* Card */
.card{border:1px solid var(--border);border-radius:10px;padding:12px 14px;background:var(--card)}
.card.tint{background:color-mix(in srgb,var(--card) 92%,var(--bg))}
.legend{font-size:11px;font-weight:700;color:var(--mute);text-transform:uppercase;letter-spacing:.6px;
     margin:0 0 10px;display:flex;align-items:center;gap:8px}
.legend::before{content:"";width:3px;height:13px;border-radius:2px;background:var(--primary)}

/* Buttons */
.btn{font-weight:600;font-size:12.5px;border:1px solid var(--border);background:var(--card);color:var(--ink);
     padding:8px 14px;border-radius:9px;display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
     transition:background .12s,border-color .12s}
.btn:hover{background:var(--accent-bg);border-color:var(--primary)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.solid{border:0;color:#fff}
.btn.primary{background:var(--primary)} .btn.primary:hover{background:var(--primary-d)}
.btn.success{background:var(--success)} .btn.success:hover{background:var(--success-d)}
.btn.ghost{border:0;background:transparent;color:var(--mute)} .btn.ghost:hover{background:var(--bg);color:var(--ink)}
.btn.big{padding:10px 18px;font-size:13px}

/* Inputs */
.field,select.field{border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:12.5px;
     background:var(--card);color:var(--ink);outline:none}
.field:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--accent-bg)}

/* Checkbox */
.chk{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink);cursor:pointer;user-select:none}
.chk input{position:absolute;opacity:0;width:0;height:0}
.chk .box{width:17px;height:17px;border-radius:5px;border:1.7px solid var(--faint);flex:none;position:relative;
     transition:.12s}
.chk input:checked+.box{background:var(--primary);border-color:var(--primary)}
.chk input:checked+.box::after{content:"";position:absolute;left:5px;top:1.5px;width:4px;height:9px;
     border:solid #fff;border-width:0 2px 2px 0;transform:rotate(43deg)}
.chk input:focus-visible+.box{box-shadow:0 0 0 3px var(--accent-bg)}

/* Options + channels */
.opts{display:grid;grid-template-columns:1fr 1fr;gap:11px 22px}
.catbar{display:flex;gap:8px;flex-wrap:wrap}
.chans{display:grid;grid-template-columns:1fr 1fr;gap:9px 20px}
.chan{display:flex;align-items:center;gap:10px}
.chan .name{width:130px;font-size:12.5px}
.chan .suf{flex:1;min-width:120px}

/* KPI */
.kpi{display:flex;flex-wrap:wrap;gap:20px;margin:16px 2px 6px}
.kpi .k{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:var(--mute)}
.kpi .k b{color:var(--ink);font-variant-numeric:tabular-nums}
.kpi .k i{width:9px;height:9px;border-radius:50%;display:block}

/* File sub-tabs */
.subtabs{display:flex;gap:5px;margin-top:12px;flex-wrap:wrap}
.subtab{font-size:12px;font-weight:600;color:var(--mute);background:var(--zebra);border:1px solid var(--border);
     border-bottom:none;padding:7px 13px;border-radius:8px 8px 0 0;display:inline-flex;align-items:center;gap:8px}
.subtab.on{background:var(--card);color:var(--ink)}
.subtab .x{color:var(--faint);font-weight:700}
.subtab .x:hover{color:var(--danger)}

/* Table */
.tbl-wrap{border:1px solid var(--border);border-radius:0 8px 8px 8px;overflow:auto;max-height:46vh}
table.tbl{width:100%;border-collapse:collapse}
.tbl th{position:sticky;top:0;background:color-mix(in srgb,var(--card) 88%,var(--bg));text-align:left;
     font-size:11.5px;font-weight:700;color:var(--ink);padding:10px 12px;border-bottom:1px solid var(--border)}
.tbl td{padding:9px 12px;font-size:12.5px;border-bottom:1px solid color-mix(in srgb,var(--border) 55%,transparent);
     vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tbody tr:nth-child(even){background:var(--zebra)}
.tbl td.stt{width:46px;text-align:center;color:var(--mute);font-variant-numeric:tabular-nums}
.tbl td.editable{cursor:text}
tr.r-dw td{background:var(--dw-bg)!important} tr.r-nt td{background:var(--nt-bg)!important}
tr.r-logo td{background:var(--logo-bg)!important} tr.r-unk td{background:var(--unk-bg)!important}
tr.r-ok td{background:var(--ok-bg)!important} tr.r-loi td{background:var(--dw-bg)!important}
tr.r-checking td{background:var(--accent-bg)!important}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:11px;font-weight:700}
.p-dw{background:var(--dw-bg);color:var(--dw-ink)} .p-nt{background:var(--nt-bg);color:var(--nt-ink)}
.p-logo{background:var(--logo-bg);color:var(--logo-ink)} .p-unk{background:var(--unk-bg);color:var(--unk-ink)}
.p-ok{background:var(--ok-bg);color:var(--ok-ink)} .p-loi{background:var(--dw-bg);color:var(--dw-ink)}
.p-wait{background:var(--zebra);color:var(--faint)}
.reason{color:var(--mute);font-size:11.5px}

/* Statusbar / toast */
.statusbar{display:flex;align-items:center;gap:9px;margin-top:12px;padding:10px 13px;background:var(--zebra);
     border:1px solid var(--border);border-radius:9px;font-size:12.5px;color:var(--mute)}
.statusbar .dot{width:8px;height:8px;border-radius:50%;background:var(--success);flex:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--success) 25%,transparent)}
.dropzone{border:2px dashed var(--border);border-radius:10px;padding:14px;text-align:center;color:var(--mute);
     font-size:12.5px;transition:.12s}
.dropzone.drag{border-color:var(--primary);background:var(--accent-bg);color:var(--primary)}
.placeholder{padding:60px 20px;text-align:center;color:var(--faint)}
.spin{width:15px;height:15px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;
     display:inline-block;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spin{animation:none}}
@media (max-width:820px){.grid2,.opts,.chans{grid-template-columns:1fr}}

/* Modal chọn quốc gia */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.5);display:grid;place-items:center;z-index:50}
.modal[hidden]{display:none}
.modal-card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 20px 60px rgba(0,0,0,.35);
     width:420px;max-width:92vw;padding:18px}
.cc-list{max-height:46vh;overflow:auto;border:1px solid var(--border);border-radius:9px}
.cc-item{display:flex;align-items:center;gap:9px;padding:8px 11px;font-size:13px;cursor:pointer;border-bottom:1px solid color-mix(in srgb,var(--border) 50%,transparent)}
.cc-item:last-child{border-bottom:none}
.cc-item:hover{background:var(--accent-bg)}
.cc-item .cc-box{width:16px;height:16px;border-radius:4px;border:1.6px solid var(--faint);flex:none;position:relative}
.cc-item.on .cc-box{background:var(--primary);border-color:var(--primary)}
.cc-item.on .cc-box::after{content:"";position:absolute;left:4.5px;top:1px;width:4px;height:8px;border:solid #fff;border-width:0 2px 2px 0;transform:rotate(43deg)}
.cc-item .cc-code{color:var(--mute);font-variant-numeric:tabular-nums;min-width:26px}