/* ==================================================================
   VCyber Twin — design system "Defense-grade Command Center" v2
   Premium dark · depth over glow · disciplined accent · data-forward
   ================================================================== */
*{margin:0;padding:0;box-sizing:border-box}
/* thuộc tính HTML [hidden] phải luôn ẩn — nếu không các rule layout (vd .nav{display:flex})
   sẽ đè display:none mặc định của trình duyệt khiến tab/nút bị JS ẩn theo vai trò vẫn lộ ra */
[hidden]{display:none!important}
:root{
  /* surfaces — đặc, phân tầng (ít trong suốt) */
  --bg:#0A0E17; --bg-2:#0C111C;
  --surface:#111726; --surface-2:#151C2E; --surface-3:#1A2236;
  --line:#212B3E; --line-2:#2C3850; --line-3:#3A4866;
  /* text ramp */
  --txt:#EAEEF7; --txt-2:#98A6C2; --txt-3:#62708C; --txt-4:#46536F;
  /* accent kỷ luật: cyan→blue, dùng tiết chế */
  --accent:#38D9F5; --accent-2:#4D7CFF;
  --grad:linear-gradient(135deg,#3FE0FF 0%,#4D7CFF 100%);
  --accent-tint:rgba(56,217,245,.10); --accent-line:rgba(77,124,255,.45);
  /* status */
  --ok:#2DD4A7; --warn:#F6B73C; --crit:#FF5D74; --info:#8E9CFF; --violet:#A98BFF;
  /* elevation — bóng mềm tối, KHÔNG glow */
  --sh-1:0 1px 2px rgba(0,0,0,.35);
  --sh-2:0 10px 30px -16px rgba(0,0,0,.75);
  --sh-3:0 30px 70px -28px rgba(0,0,0,.85);
  --r-sm:8px; --r:12px; --r-lg:16px;
  --maxw:1500px;
}
html,body{height:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--txt);overflow:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:14px;line-height:1.5}
.mono{font-family:'JetBrains Mono',monospace;font-feature-settings:"tnum" 1,"cv01" 1}
::selection{background:rgba(77,124,255,.32)}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}

/* ---- ambient background: lưới rất nhẹ + 1 vầng sáng tĩnh (bỏ blob động) ---- */
.bg{position:fixed;inset:0;z-index:0;overflow:hidden;pointer-events:none;background:
  radial-gradient(110% 80% at 80% -20%, #0F1B33 0%, transparent 55%),
  radial-gradient(90% 70% at -10% 110%, #0C1426 0%, transparent 50%), var(--bg)}
.bg-grid{position:absolute;inset:0;
  background-image:linear-gradient(rgba(86,120,200,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(86,120,200,.035) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(95% 80% at 50% 0%, #000 0%, transparent 75%);
  mask-image:radial-gradient(95% 80% at 50% 0%, #000 0%, transparent 75%)}
.bg-glow{position:absolute;inset:0}
.bg-glow::before{content:"";position:absolute;width:600px;height:600px;left:-160px;top:-220px;border-radius:50%;
  filter:blur(120px);opacity:.35;background:radial-gradient(circle,rgba(56,217,245,.16),transparent 70%)}
@keyframes drift1{50%{transform:none}}@keyframes drift2{50%{transform:none}}

.app{position:relative;z-index:1;display:flex;height:100vh}

/* ---- sidebar ---- */
.side{width:250px;flex:none;display:flex;flex-direction:column;gap:2px;padding:18px 14px 14px;
  background:linear-gradient(180deg,#0C1220,#0A0E18);border-right:1px solid var(--line)}
.lg{display:flex;align-items:center;gap:11px;padding:4px 8px 16px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.lg-mark{flex:none}
.wm{font-family:'Be Vietnam Pro',sans-serif;font-weight:800;font-size:18px;letter-spacing:-.2px;line-height:1.05;display:flex;flex-direction:column}
.wm .t{color:var(--accent)}
.wm small{font-family:'Inter',sans-serif;font-weight:600;font-size:9px;letter-spacing:1.6px;text-transform:uppercase;color:var(--txt-4);margin-top:4px}
.nav-sec{font-size:9.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--txt-4);padding:16px 12px 6px}
.nav{position:relative;display:flex;align-items:center;gap:11px;padding:9px 12px;border-radius:9px;
  font-size:13.5px;color:var(--txt-2);font-weight:500;text-decoration:none;cursor:pointer;transition:background .15s,color .15s}
.nav svg{width:18px;height:18px;flex:none;stroke:var(--txt-3);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;transition:stroke .15s}
.nav:hover{background:var(--surface-2);color:var(--txt)}
.nav:hover svg{stroke:var(--txt-2)}
.nav.on{background:var(--accent-tint);color:#fff;font-weight:600}
.nav.on svg{stroke:var(--accent)}
.nav.on::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:0 3px 3px 0;background:var(--grad)}
.side .sp{flex:1;min-height:8px}

/* ---- main / topbar ---- */
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.tbar{height:64px;flex:none;display:flex;align-items:center;justify-content:space-between;padding:0 30px;
  border-bottom:1px solid var(--line);background:rgba(10,14,23,.7);backdrop-filter:blur(8px)}
.tbar h1{font-family:'Be Vietnam Pro',sans-serif;font-size:19px;font-weight:700;letter-spacing:-.3px}
.tbar .crumb{font-size:12px;color:var(--txt-3);margin-top:2px}.tbar .crumb b{color:var(--txt-2);font-weight:600}
#tbar-right{display:flex;align-items:center;gap:12px}
.content{flex:1;overflow:auto;padding:24px 30px 48px}
.content>.tab.on{max-width:var(--maxw);margin:0 auto}
.tab{display:none}.tab.on{display:block;animation:fadeUp .35s cubic-bezier(.2,.7,.3,1)}
@keyframes fadeUp{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}

/* ---- live badge ---- */
.live{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--ok);
  background:rgba(45,212,167,.07);border:1px solid rgba(45,212,167,.26);padding:6px 13px;border-radius:8px}
.live .bl{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(45,212,167,.5);animation:pulse 2.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(45,212,167,.45)}70%{box-shadow:0 0 0 6px rgba(45,212,167,0)}100%{box-shadow:0 0 0 0 rgba(45,212,167,0)}}

/* ---- threat-intel badges ---- */
.kev-b{font-family:'JetBrains Mono',monospace;font-size:9.5px;font-weight:700;color:#FF8A9C;background:rgba(255,93,116,.12);
  border:1px solid rgba(255,93,116,.36);border-radius:5px;padding:1px 5px;margin-left:4px}
.rw{font-size:10px;font-weight:700;color:var(--warn);background:rgba(246,183,60,.1);border:1px solid rgba(246,183,60,.3);border-radius:5px;padding:1px 6px;margin-left:6px}

/* ---- mode chip (minh bạch SIM/LAB) ---- */
.mode-chip{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.2px;padding:6px 12px;border-radius:8px;border:1px solid;cursor:default}
.mode-chip .dot{width:7px;height:7px;border-radius:50%;flex:none}
.mode-chip.sim{color:var(--warn);background:rgba(246,183,60,.07);border-color:rgba(246,183,60,.3)}
.mode-chip.sim .dot{background:var(--warn)}
.mode-chip.lab{color:var(--ok);background:rgba(45,212,167,.07);border-color:rgba(45,212,167,.3)}
.mode-chip.lab .dot{background:var(--ok);box-shadow:0 0 0 0 rgba(45,212,167,.5);animation:pulse 2.4s infinite}

/* ---- buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;font-size:13px;font-weight:600;color:#04101f;
  background:var(--grad);padding:9px 16px;border-radius:9px;border:none;cursor:pointer;font-family:inherit;
  box-shadow:var(--sh-1);transition:transform .14s,box-shadow .14s,filter .14s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.05)}
.btn:active{transform:translateY(0)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}
.btn.gho{background:transparent;color:var(--txt-2);border:1px solid var(--line-2);box-shadow:none}
.btn.gho:hover{color:var(--txt);border-color:var(--line-3);background:var(--surface-2)}
.btn.rep{background:var(--surface-2);color:var(--accent);border:1px solid var(--line-2);box-shadow:none}
.btn.rep:hover{border-color:var(--accent-line);background:var(--surface-3)}

/* ---- kpi ---- */
.kpis{display:grid;gap:14px;margin-bottom:20px}
.kpi{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;
  overflow:hidden;transition:transform .16s,border-color .16s,box-shadow .16s}
.kpi:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:var(--sh-2)}
.kpi .l{font-size:10.5px;color:var(--txt-3);font-weight:600;letter-spacing:.4px;text-transform:uppercase}
.kpi .v{font-family:'Be Vietnam Pro',sans-serif;font-size:30px;font-weight:700;margin-top:10px;line-height:1;color:#fff;letter-spacing:-.5px}
.kpi .v small{font-size:13px;color:var(--txt-3);font-weight:500}
.kpi .d{font-size:11.5px;margin-top:8px;font-weight:600;color:var(--txt-3);display:flex;align-items:center;gap:5px}
.up{color:var(--ok)}.dn{color:var(--crit)}.wn{color:var(--warn)}

/* ---- panels ---- */
.grid{display:grid;gap:18px}
.panel{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px}
.panel .ph{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.panel .ph h3{font-family:'Be Vietnam Pro',sans-serif;font-size:15px;font-weight:700;letter-spacing:-.2px}
.panel .ph a,.panel .ph .mut{font-size:12px;color:var(--accent);font-weight:600;text-decoration:none}
.panel .ph a:hover{color:#fff}
.panel .ph .mut{color:var(--txt-3)}
.mut{color:var(--txt-3)}

/* ---- list rows ---- */
.lr{display:flex;align-items:center;gap:12px;padding:11px 8px;margin:0 -8px;border-bottom:1px solid var(--line);font-size:13px;border-radius:8px;transition:background .14s}
.lr:last-child{border-bottom:none}
.lr:hover{background:var(--surface-2)}
.sev{font-size:10px;font-weight:700;padding:3px 8px;border-radius:6px;letter-spacing:.4px;flex:none;border:1px solid transparent}
.sv-c{background:rgba(255,93,116,.13);color:#FF8A9C;border-color:rgba(255,93,116,.3)}
.sv-h{background:rgba(246,183,60,.13);color:var(--warn);border-color:rgba(246,183,60,.3)}
.sv-m{background:rgba(142,156,255,.13);color:#A6B2FF;border-color:rgba(142,156,255,.3)}
.lr .nm{color:var(--txt);font-weight:600}.lr .ds{color:var(--txt-3);font-size:12px;margin-top:2px}
.lr .rt{margin-left:auto;text-align:right;color:var(--txt-3);font-size:12px}
.tag{font-family:'JetBrains Mono',monospace;font-size:11px;background:var(--surface-3);color:#A9C7E8;padding:2px 7px;border-radius:5px;border:1px solid var(--line-2)}

/* ---- steps ---- */
.step{display:flex;gap:13px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:none}
.step .mk{width:28px;height:28px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono';font-size:12px;font-weight:700;background:var(--surface-3);color:#A6B2FF;border:1px solid var(--line-2)}
.step .ti{font-size:14px;color:var(--txt);font-weight:600}.step .tx{font-size:12px;color:var(--txt-3);margin-top:2px}
.step .det{margin-left:auto;font-size:12px;font-weight:700;padding:6px 12px;border-radius:8px;border:1px solid;flex:none}
.ok{background:rgba(45,212,167,.13);color:var(--ok);border-color:rgba(45,212,167,.3)}
.bad{background:rgba(255,93,116,.13);color:var(--crit);border-color:rgba(255,93,116,.3)}
.run{background:rgba(56,217,245,.13);color:var(--accent);border-color:rgba(56,217,245,.3)}
.pend{background:var(--surface-2);color:var(--txt-3);border-color:var(--line-2)}

/* ---- coverage big + bar ---- */
.big{font-family:'Be Vietnam Pro',sans-serif;font-size:58px;font-weight:800;line-height:1;letter-spacing:-1.5px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.barbg{position:relative;height:10px;background:var(--surface-3);border-radius:6px;overflow:hidden;margin:14px 0 4px;border:1px solid var(--line)}
.bar{height:100%;background:var(--grad);border-radius:6px;position:relative;transition:width .6s cubic-bezier(.2,.7,.3,1)}

/* ---- attck matrix ---- */
.attck{display:grid;grid-template-columns:repeat(10,minmax(0,1fr));gap:6px;margin-top:8px}
.attck .col{display:flex;flex-direction:column;gap:6px;min-width:0}
.attck .hd{font-size:9.5px;font-weight:600;color:var(--txt-3);text-align:center;margin-bottom:2px;line-height:1.2;min-height:24px;display:flex;align-items:flex-end;justify-content:center}
.cell{flex:1;min-height:30px;border-radius:7px;border:1px solid;display:flex;align-items:center;justify-content:center;transition:transform .12s}
.cell:hover{transform:scale(1.06)}
.cell i{width:8px;height:8px;border-radius:50%;display:block}

/* ---- pills ---- */
.pills{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.pill{padding:7px 14px;border-radius:9px;border:1px solid var(--line-2);background:var(--surface);color:var(--txt-2);font-size:13px;font-weight:600;cursor:pointer;font-family:inherit;transition:all .15s}
.pill:hover{border-color:var(--line-3);color:var(--txt)}
.pill.on{border-color:var(--accent-line);color:#fff;background:var(--accent-tint)}
.pill .pct{font-family:'JetBrains Mono';font-size:11px;margin-left:7px;opacity:.85}

svg .lbl{font-family:'Inter',sans-serif}

/* ---- loading ---- */
#loading{position:fixed;inset:0;z-index:5000;display:flex;flex-direction:column;gap:18px;align-items:center;justify-content:center;
  background:var(--bg);color:var(--txt-3);font-size:13.5px;transition:opacity .4s}
body[data-ready="true"] #loading,body[data-ready="login"] #loading,body[data-ready="error"] #loading{opacity:0;pointer-events:none}
.ld-mark{animation:breathe 2s ease-in-out infinite}
@keyframes breathe{50%{transform:scale(1.06);opacity:.85}}
.ld-tx{letter-spacing:.3px}

/* ---- toasts ---- */
#__toasts{position:fixed;right:22px;bottom:22px;z-index:6000;display:flex;flex-direction:column;gap:10px}
.toast{padding:12px 16px;border-radius:10px;font-size:13px;font-weight:600;color:var(--txt);
  background:var(--surface-2);border:1px solid var(--line-2);box-shadow:var(--sh-3);transition:opacity .3s;max-width:380px;animation:toastIn .3s cubic-bezier(.2,.7,.3,1)}
@keyframes toastIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.toast.ok{border-color:rgba(45,212,167,.5);color:#bdfbe4}
.toast.bad{border-color:rgba(255,93,116,.5);color:#ffd0da}

/* ---- error box ---- */
.errbox{max-width:540px;margin:14vh auto;text-align:center;padding:40px;border:1px solid var(--line-2);border-radius:16px;background:var(--surface)}
.errbox h2{font-family:'Be Vietnam Pro',sans-serif;color:var(--crit);margin:0 0 12px}.errbox .mono{font-size:12.5px;color:var(--txt-2)}
.errbox .mut{color:var(--txt-3);font-size:13px;margin:10px 0 22px}

/* ---- BAS scenario picker ---- */
.bas-pick{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.bas-pick label{font-size:13px;color:var(--txt-2);font-weight:600}
.bas-pick label .mut{color:var(--txt-3);font-weight:400}
.bas-pick select{background:var(--surface-3);color:var(--txt);border:1px solid var(--line-2);border-radius:9px;padding:9px 12px;font-size:13.5px;font-weight:600;font-family:inherit;min-width:360px;cursor:pointer}
.bas-pick select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,217,245,.12)}
.bas-pick optgroup{color:var(--txt-3);font-style:normal;background:var(--surface)}
.bas-pick option{color:var(--txt);font-weight:500;background:var(--surface)}
.sev-tag{font-size:11.5px;font-weight:700;padding:3px 10px;border:1px solid;border-radius:7px;text-transform:uppercase;letter-spacing:.3px}

/* ---- detection-as-code modal ---- */
.modal-bg{position:fixed;inset:0;z-index:7000;background:rgba(5,8,15,.7);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:40px;animation:fadeUp .22s ease}
.modal{background:var(--surface);border:1px solid var(--line-2);border-radius:16px;width:min(900px,92vw);max-height:86vh;display:flex;flex-direction:column;box-shadow:var(--sh-3)}
.modal-h{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-h b{font-family:'Be Vietnam Pro';font-size:16px}.modal-x{background:none;border:none;color:var(--txt-3);font-size:20px;cursor:pointer;transition:color .14s;line-height:1}.modal-x:hover{color:var(--txt)}
.modal .pills{padding:14px 20px 0;margin:0}
.rule-pre{flex:1;overflow:auto;margin:12px 20px;padding:16px;background:var(--bg);border:1px solid var(--line);border-radius:10px;
  font-family:'JetBrains Mono',monospace;font-size:12.5px;color:#A9C7E8;white-space:pre-wrap;line-height:1.55}
.modal-f{display:flex;justify-content:space-between;align-items:center;padding:12px 20px 16px;border-top:1px solid var(--line)}

/* ---- SOC connection + sync ---- */
.soc-row{display:flex;align-items:center;gap:9px;margin:14px 0;flex-wrap:wrap}
.soc-card{background:rgba(45,212,167,.05);border:1px solid rgba(45,212,167,.28);border-radius:11px;padding:13px 16px;margin-bottom:14px}
.soc-card b{font-size:13.5px}
.soc-ok{color:#34E0A1;font-weight:600}

/* ---- Wizard tạo twin + cấu hình SOC + toggle sơ đồ mạng ---- */
.modal-b{flex:1;overflow:auto;padding:14px 20px;display:flex;flex-direction:column;gap:3px}
.wzd{width:min(620px,94vw)}
.wzd-steps{display:flex;gap:8px;padding:13px 20px 2px;flex-wrap:wrap}
.wzd-step{font-size:12px;font-weight:600;color:var(--txt-3);padding:5px 11px;border-radius:8px;border:1px solid var(--line-2);background:var(--surface-2)}
.wzd-step.on{color:#fff;border-color:var(--accent-line);background:var(--accent-tint)}
.wzd-step.done{color:#34E0A1;border-color:rgba(45,212,167,.35)}
.soc-f{display:flex;flex-direction:column;gap:5px;margin:9px 0;font-size:12.5px;color:var(--txt-2);font-weight:600}
.soc-f>span{font-size:12px;color:var(--txt-3);font-weight:600}
.soc-f input[type=text],.soc-f input[type=password],.soc-f select,.soc-f input[type=file]{background:var(--surface-3);border:1px solid var(--line-2);border-radius:9px;padding:9px 12px;color:var(--txt);font-size:13.5px;outline:none;font-family:inherit;transition:border-color .14s;font-weight:500}
.soc-f input:focus,.soc-f select:focus{border-color:var(--accent)}
.soc-f.bool{flex-direction:row;align-items:center;gap:8px;color:var(--txt-2);font-weight:500}
.soc-f.bool input{width:auto}
.wz-radio{display:block;font-weight:500;font-size:13px;color:var(--txt-2);padding:6px 0;cursor:pointer}
.wz-radio input{margin-right:8px}
.topo-toggle{display:flex;gap:6px}
.topo-toggle .pill{padding:5px 11px;font-size:12px}

/* ---- Discovery ---- */
.disc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:18px}
.disc-src{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:15px 16px;transition:border-color .15s,transform .15s}
.disc-src:hover{border-color:var(--line-2);transform:translateY(-2px)}
.disc-src .di{font-size:24px;flex:none}
.disc-src .nm{font-weight:600;color:var(--txt);font-size:13.5px}.disc-src .ds{font-size:11.5px;color:var(--txt-3);margin-top:2px}
table.inv{width:100%;border-collapse:collapse;font-size:12.5px}
table.inv th{text-align:left;color:var(--txt-3);font-size:10.5px;text-transform:uppercase;letter-spacing:.4px;padding:9px 8px;border-bottom:1px solid var(--line-2)}
table.inv td{padding:10px 8px;border-bottom:1px solid var(--line);color:var(--txt-2)}
table.inv tbody tr{transition:background .12s}
table.inv tbody tr:hover{background:var(--surface-2)}

/* ---- twin switcher ---- */
.twinsw{display:flex;flex-direction:column;gap:7px;padding:12px 8px 10px;border-top:1px solid var(--line)}
.twinsw .twl{font-size:9.5px;text-transform:uppercase;letter-spacing:1.3px;color:var(--txt-4);font-weight:700}
.twinsw .twsel{width:100%;background:var(--surface-3);color:var(--txt);border:1px solid var(--line-2);border-radius:9px;padding:9px 10px;font-size:12.5px;font-weight:600;font-family:inherit;cursor:pointer}
.twinsw .twsel:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,217,245,.12)}
.twinsw .twadd{padding:6px 11px;font-size:12px;align-self:flex-start}

/* ---- scrollbars ---- */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:8px;border:2px solid transparent;background-clip:padding-box}
::-webkit-scrollbar-thumb:hover{background:var(--line-3);background-clip:padding-box}

/* ============================================================
   Đăng nhập — split cinematic (màn đầu tiên prospect thấy)
   ============================================================ */
body[data-ready="login"]{overflow:hidden}
.login-ov{position:fixed;inset:0;z-index:6000;display:flex;align-items:center;justify-content:center;padding:24px;
  background:radial-gradient(1200px 700px at 70% -10%,rgba(56,217,245,.10),transparent 55%),
    radial-gradient(900px 600px at 0% 110%,rgba(77,124,255,.10),transparent 55%),var(--bg)}
.login-ov[hidden]{display:none}
.login-ov::before{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(86,120,200,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(86,120,200,.045) 1px,transparent 1px);
  background-size:54px 54px;-webkit-mask-image:radial-gradient(80% 70% at 50% 40%,#000,transparent 80%);mask-image:radial-gradient(80% 70% at 50% 40%,#000,transparent 80%)}
.login-shell{position:relative;display:grid;grid-template-columns:1.05fr .95fr;width:min(960px,96vw);min-height:560px;
  background:var(--surface);border:1px solid var(--line-2);border-radius:22px;overflow:hidden;box-shadow:var(--sh-3)}
.login-brand{position:relative;padding:44px 42px;display:flex;flex-direction:column;
  background:linear-gradient(160deg,#0E1626 0%,#0B1120 60%,#0A0E18 100%);border-right:1px solid var(--line)}
.login-brand::after{content:"";position:absolute;width:380px;height:380px;right:-120px;top:-120px;border-radius:50%;filter:blur(90px);background:radial-gradient(circle,rgba(56,217,245,.16),transparent 70%)}
.login-brand-top{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.login-brand-top b{font-family:'Be Vietnam Pro';font-weight:800;font-size:19px;letter-spacing:-.2px}
.login-brand-top b span{color:var(--accent)}
.login-brand h1{position:relative;z-index:1;font-family:'Be Vietnam Pro',sans-serif;font-weight:800;font-size:30px;line-height:1.18;letter-spacing:-.6px;margin-top:auto}
.login-brand .ltag{position:relative;z-index:1;color:var(--txt-2);font-size:13.5px;margin-top:14px;line-height:1.6;max-width:340px}
.login-points{position:relative;z-index:1;list-style:none;margin:26px 0 0;display:flex;flex-direction:column;gap:11px}
.login-points li{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--txt-2)}
.login-points li::before{content:"";width:18px;height:18px;flex:none;border-radius:6px;background:var(--accent-tint);border:1px solid var(--accent-line);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2338D9F5' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5 9-10'/%3E%3C/svg%3E");background-size:13px;background-repeat:no-repeat;background-position:center}
.login-foot{position:relative;z-index:1;margin-top:28px;font-size:11.5px;color:var(--txt-4);letter-spacing:.4px;font-family:'JetBrains Mono'}
.login-card{display:flex;flex-direction:column;gap:6px;padding:48px 44px;justify-content:center}
.login-card h2{font-family:'Be Vietnam Pro';font-weight:700;font-size:21px;letter-spacing:-.3px}
.login-sub{color:var(--txt-3);font-size:13px;margin:2px 0 22px}
.login-card label{font-size:12px;color:var(--txt-3);font-weight:600;margin-top:12px}
.login-card input{background:var(--surface-3);border:1px solid var(--line-2);border-radius:10px;padding:11px 13px;color:var(--txt);font-size:14px;outline:none;transition:border-color .14s,box-shadow .14s;font-family:inherit}
.login-card input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,217,245,.12)}
.login-card .btn{margin-top:22px;padding:11px;font-size:14px}
.login-err,.um-err{color:var(--crit);font-size:12.5px;min-height:16px;margin-top:8px}
@media (max-width:760px){.login-shell{grid-template-columns:1fr}.login-brand{display:none}}

/* ---- ô user sidebar ---- */
.usr{display:flex;align-items:center;gap:10px;padding:12px 8px 4px;border-top:1px solid var(--line);margin-top:4px}
.av{width:34px;height:34px;border-radius:9px;flex:none;background:linear-gradient(135deg,#4D7CFF,#A98BFF)}
.usr-info{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.usr-info b{font-size:13px;color:var(--txt);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:118px}
.usr-info small{font-size:10.5px;color:var(--txt-3)}
.usr-logout{margin-left:auto;background:none;border:1px solid var(--line-2);color:var(--txt-3);border-radius:8px;width:30px;height:30px;cursor:pointer;font-size:15px;transition:all .14s}
.usr-logout:hover{color:var(--crit);border-color:var(--crit)}

/* ---- bảng người dùng ---- */
.u-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px;gap:14px}
.utbl{width:100%;border-collapse:collapse;font-size:13px}
.utbl th{text-align:left;color:var(--txt-3);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.5px;padding:9px 10px;border-bottom:1px solid var(--line-2)}
.utbl td{padding:11px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.utbl tbody tr{transition:background .12s}.utbl tbody tr:hover{background:var(--surface-2)}
.utbl td b{font-size:13.5px}
.u-act{white-space:nowrap;text-align:right}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:7px}
.btn.gho.sm.danger{color:#FF8A9C;border-color:rgba(255,93,116,.36)}
.btn.gho.sm.danger:hover{color:#fff;border-color:var(--crit);background:rgba(255,93,116,.12)}
.rl-cell{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.rl-chip{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid;margin-left:6px}
.rl-chip:first-child{margin-left:0}
.rl-admin{background:rgba(169,139,255,.13);color:#C3B0FF;border-color:rgba(169,139,255,.36)}
.rl-manager{background:rgba(56,217,245,.12);color:var(--accent);border-color:rgba(56,217,245,.36)}
.rl-operator{background:rgba(142,156,255,.13);color:#A6B2FF;border-color:rgba(142,156,255,.36)}
.rl-viewer{background:var(--surface-3);color:var(--txt-2);border-color:var(--line-2)}
.rl-x{cursor:pointer;opacity:.55;font-weight:700;text-decoration:none;color:inherit}
.rl-x:hover{opacity:1;color:var(--crit)}
.rl-legend{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--txt-3);line-height:2}

/* ---- modal nhỏ (người dùng) ---- */
.modal-ov{position:fixed;inset:0;z-index:7000;background:rgba(5,8,15,.7);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;padding:40px;animation:fadeUp .2s ease}
.modal.um{position:relative;display:flex;flex-direction:column;gap:6px;width:min(420px,92vw);max-height:none;padding:26px 28px;background:var(--surface);border:1px solid var(--line-2);border-radius:16px;box-shadow:var(--sh-3)}
.modal.um h3{font-family:'Be Vietnam Pro';font-size:17px;margin:0 0 10px}
.modal.um label{font-size:12px;color:var(--txt-3);font-weight:600;margin-top:8px}
.modal.um label.ck{display:flex;flex-direction:row;align-items:center;gap:8px;margin-top:14px;color:var(--txt-2);font-size:13px}
.modal.um input,.modal.um select{background:var(--surface-3);border:1px solid var(--line-2);border-radius:9px;padding:9px 12px;color:var(--txt);font-size:14px;outline:none;font-family:inherit;transition:border-color .14s}
.modal.um input:focus,.modal.um select:focus{border-color:var(--accent)}
.modal.um label.ck input{width:auto}
.modal.um .modal-x{position:absolute;top:14px;right:16px}
.modal.um .btn{margin-top:18px}

/* ── Tài liệu quản trị ──────────────────────────────────────────────────────── */
.docwrap{display:grid;grid-template-columns:236px 1fr;gap:24px;align-items:start}
.doc-toc{position:sticky;top:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px 12px}
.doc-toc-hd{font-family:'Be Vietnam Pro',sans-serif;font-size:12px;font-weight:700;color:var(--txt-2);letter-spacing:.3px;padding:2px 8px 8px}
.doc-toc-g{font-size:9.5px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;color:var(--txt-4);padding:14px 8px 5px}
.doc-toc-a{display:block;font-size:12.5px;color:var(--txt-3);padding:6px 8px;border-radius:7px;cursor:pointer;line-height:1.3;transition:background .14s,color .14s}
.doc-toc-a:hover{background:var(--surface-2);color:var(--txt)}
.doc-toc-a.on{background:var(--accent-tint);color:#fff;font-weight:600}
.doc-toc-note{font-size:11px;color:var(--txt-4);padding:14px 8px 2px;border-top:1px solid var(--line);margin-top:12px}
.doc-main{display:flex;flex-direction:column;gap:16px;min-width:0}
.doc-grouphd{font-family:'Be Vietnam Pro',sans-serif;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin:6px 2px 0}
.doc-grouphd:not(:first-child){margin-top:18px}
.doc-sec{scroll-margin-top:14px}
.doc-sec h2{font-family:'Be Vietnam Pro',sans-serif;font-size:17px;font-weight:700;letter-spacing:-.2px;margin:0 0 12px;color:#fff}
.doc-body{font-size:13.5px;line-height:1.65;color:var(--txt-2)}
.doc-body p{margin:0 0 11px}
.doc-body b{color:var(--txt)}
.doc-body ul,.doc-body ol{margin:0 0 11px;padding-left:20px}
.doc-body li{margin:0 0 7px}
.doc-body i{color:var(--txt-3)}
.doc-body code{font-family:'JetBrains Mono',monospace;font-size:12px;background:var(--surface-3);color:#A9C7E8;padding:1.5px 6px;border-radius:5px;border:1px solid var(--line-2)}
.doc-body .kbd{font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:600;background:var(--surface-2);color:var(--accent);padding:2px 8px;border-radius:6px;border:1px solid var(--accent-line);white-space:nowrap}
.doc-steps{counter-reset:none}
.doc-tbl{width:100%;border-collapse:collapse;margin:4px 0 12px;font-size:12.8px}
.doc-tbl th{text-align:left;font-size:10.5px;font-weight:700;letter-spacing:.5px;text-transform:uppercase;color:var(--txt-3);padding:8px 12px;border-bottom:1px solid var(--line-2)}
.doc-tbl td{padding:10px 12px;border-bottom:1px solid var(--line);color:var(--txt-2);vertical-align:top}
.doc-tbl tr:last-child td{border-bottom:none}
.doc-tbl td b{color:var(--txt)}
.callout{font-size:12.8px;line-height:1.55;background:var(--accent-tint);border:1px solid var(--accent-line);border-left:3px solid var(--accent);border-radius:9px;padding:11px 14px;margin:4px 0 12px;color:var(--txt-2)}
.callout b{color:var(--txt)}
.callout.warn{background:rgba(246,183,60,.09);border-color:rgba(246,183,60,.4);border-left-color:var(--warn)}
.callout.crit{background:rgba(255,93,116,.09);border-color:rgba(255,93,116,.4);border-left-color:var(--crit)}
@media(max-width:900px){.docwrap{grid-template-columns:1fr}.doc-toc{position:static}}

/* ── language toggle (VI/EN) — additive i18n ── */
.langsw{display:flex;gap:4px;margin:0 12px 8px;padding:3px;background:var(--surface-2);border:1px solid var(--line-2);border-radius:9px}
.langsw button{flex:1;font:inherit;font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--txt-4);background:transparent;border:0;border-radius:6px;padding:5px 0;cursor:pointer;transition:.15s}
.langsw button:hover{color:#fff}
.langsw button.on{background:var(--accent-tint);color:#fff;box-shadow:inset 0 0 0 1px var(--accent-line)}

/* ── License watermark (design-partner bundle) ── */
.vct-lic{margin:0 12px 8px;padding:7px 10px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface-2);font-size:10.5px;line-height:1.35;color:var(--txt-3)}
.vct-lic b{display:block;color:var(--txt-1);font-weight:700;font-size:11px}
.vct-lic span{color:var(--txt-4)}
.vct-lic.bad{border-color:#8a3a4a;background:rgba(255,92,122,.08)}
.vct-lic.bad b{color:#FF8098}
#vct-lic-banner{position:fixed;top:0;left:0;right:0;z-index:9998;padding:8px 16px;text-align:center;font-size:12.5px;font-weight:600;background:#243a63;color:#cfe0ff;border-bottom:1px solid #37507e}
#vct-lic-banner.bad{background:#4a2030;color:#ffd1da;border-bottom-color:#8a3a4a}

/* ── nút chuyển ngữ trên MÀN LOGIN (góc trên phải overlay) ── */
.langsw-login{position:absolute;top:20px;right:22px;z-index:6100;margin:0;width:auto}
.langsw-login button{padding:6px 12px;font-size:12px}