/* OKX Trader — 10/11/2026. Nền tối mặc định (tự sang sáng theo máy). Menu trái trên máy tính, thanh đáy trên điện thoại. */
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(fonts/BeVietnamPro-400-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:400;font-display:swap;src:url(fonts/BeVietnamPro-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(fonts/BeVietnamPro-600-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:600;font-display:swap;src:url(fonts/BeVietnamPro-600-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Be Vietnam Pro";font-weight:700;font-display:swap;src:url(fonts/BeVietnamPro-700-vietnamese.woff2) format("woff2");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:"Be Vietnam Pro";font-weight:700;font-display:swap;src:url(fonts/BeVietnamPro-700-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --bg:#0a0d14; --bg2:#0f131c; --card:#131925; --card2:#19202e; --line:#222b3b; --line2:#2d3850;
  --tx:#e8edf6; --tx2:#a3aec2; --tx3:#6b7790;
  --ac:#3b82f6; --ac-bg:rgba(59,130,246,.14);
  --up:#16c784; --up-bg:rgba(22,199,132,.13); --down:#ea3943; --down-bg:rgba(234,57,67,.13);
  --demo:#f5b400; --demo-bg:rgba(245,180,0,.13); --that:#ef4444; --that-bg:rgba(239,68,68,.14); --thu:#f97316;
  --r:14px; --r2:9px; --sh:0 10px 30px rgba(0,0,0,.35);
  --font:"Be Vietnam Pro",Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono","SF Mono",Menlo,Consolas,monospace;
  --side:232px; --top:58px;
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){--bg:#f3f5f9;--bg2:#ffffff;--card:#ffffff;--card2:#f5f7fb;--line:#e3e8f0;--line2:#d2d9e6;
    --tx:#0e1525;--tx2:#4a5670;--tx3:#8792a8;--sh:0 8px 24px rgba(15,23,42,.08);--ac-bg:rgba(59,130,246,.1)}
}
:root[data-theme="dark"]{color-scheme:dark}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body{background:var(--bg);color:var(--tx);font:14px/1.5 var(--font);-webkit-font-smoothing:antialiased;font-variant-numeric:tabular-nums}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
svg.ic{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.an{display:none!important}
.so{font-variant-numeric:tabular-nums}
.len{color:var(--up)} .xuong{color:var(--down)} .mo{color:var(--tx3)} .phu{color:var(--tx2)}

/* ---------- khung ---------- */
.side{position:fixed;inset:0 auto 0 0;width:var(--side);background:var(--bg2);border-right:1px solid var(--line);
      display:flex;flex-direction:column;z-index:30}
.brand{display:flex;align-items:center;gap:10px;padding:16px 18px;height:var(--top);border-bottom:1px solid var(--line)}
.logo{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px;
      background:linear-gradient(135deg,#3b82f6,#8b5cf6 60%,#ec4899)}
.brand b{font-size:15px;letter-spacing:.2px} .brand small{display:block;color:var(--tx3);font-size:11px;margin-top:-2px}
.menu{flex:1;overflow:auto;padding:10px}
.menu .nhom{font-size:11px;text-transform:uppercase;letter-spacing:.8px;color:var(--tx3);padding:14px 10px 6px}
.menu a{display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:var(--r2);color:var(--tx2);font-weight:500;margin:1px 0}
.menu a:hover{background:var(--card);color:var(--tx)}
.menu a.on{background:var(--ac-bg);color:var(--ac)}
.menu a span:first-of-type{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.menu a .moc{margin-left:auto;white-space:nowrap;flex:none;font-size:10.5px;padding:1px 7px;border-radius:999px;background:var(--card2);color:var(--tx3);font-weight:600}
.side-cuoi{padding:12px;border-top:1px solid var(--line);display:flex;gap:8px}
.side-cuoi button{flex:1}

.chinh{margin-left:var(--side);min-height:100vh;display:flex;flex-direction:column}
.top{position:sticky;top:0;z-index:20;height:var(--top);display:flex;align-items:center;gap:12px;padding:0 22px;
     background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.top h1{font-size:17px;margin:0;font-weight:700;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip-cd{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;font-weight:700;font-size:12px;
         letter-spacing:.4px;border:1px solid transparent;cursor:pointer}
.chip-cd.demo{background:var(--demo-bg);color:var(--demo);border-color:color-mix(in srgb,var(--demo) 35%,transparent)}
.chip-cd.thu{background:rgba(249,115,22,.14);color:var(--thu);border-color:rgba(249,115,22,.4)}
.chip-cd.that{background:var(--that-bg);color:var(--that);border-color:rgba(239,68,68,.45);animation:nhay 2.4s infinite}
@keyframes nhay{50%{box-shadow:0 0 0 4px rgba(239,68,68,.12)}}
.cham{width:8px;height:8px;border-radius:50%;background:var(--tx3);flex:none}
.cham.ok{background:var(--up);box-shadow:0 0 0 3px rgba(22,199,132,.2)} .cham.bad{background:var(--down)}
.ket-noi{display:flex;align-items:center;gap:7px;color:var(--tx3);font-size:12px}
.nut-dung{display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:var(--r2);border:1px solid rgba(234,57,67,.5);
          background:var(--down-bg);color:var(--down);font-weight:700;font-size:13px;cursor:pointer}
.nut-dung:hover{background:var(--down);color:#fff}
.dai-cd{height:3px} .dai-cd.demo{background:var(--demo)} .dai-cd.thu{background:var(--thu)} .dai-cd.that{background:var(--that)}
.bang-khoa{margin:16px 22px 0;padding:12px 16px;border-radius:var(--r);background:var(--down-bg);border:1px solid rgba(234,57,67,.4);
           display:flex;align-items:center;gap:12px;color:var(--tx)}
.bang-khoa b{color:var(--down)} .bang-khoa .nut{margin-left:auto}
.noi-dung{padding:22px;flex:1;width:100%;max-width:1440px}

.tab-day{display:none}
@media (max-width:900px){
  .side{display:none}
  .chinh{margin-left:0;padding-bottom:70px}
  .top{padding:0 14px}
  .noi-dung{padding:14px}
  .bang-khoa{margin:12px 14px 0}
  .ket-noi span{display:none}
  .nut-dung span{display:none}
  .tab-day{display:flex;position:fixed;inset:auto 0 0 0;height:64px;background:var(--bg2);border-top:1px solid var(--line);z-index:30;
           padding-bottom:env(safe-area-inset-bottom)}
  .tab-day a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--tx3);font-size:10.5px}
  .tab-day a.on{color:var(--ac)}
  .tab-day svg.ic{width:21px;height:21px}
}

/* ---------- thành phần ---------- */
.the{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.the h2{font-size:14.5px;margin:0 0 14px;font-weight:700;display:flex;align-items:center;gap:8px}
.the h2 .them{margin-left:auto;font-weight:500;font-size:12.5px;color:var(--tx3)}
.luoi{display:grid;gap:16px}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
@media (max-width:1100px){.kpi{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.kpi{gap:10px}.kpi .the{padding:14px}}
.kpi .nhan{color:var(--tx3);font-size:12.5px;display:flex;align-items:center;gap:6px}
.kpi .gt{font-size:24px;font-weight:700;margin-top:6px;letter-spacing:-.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kpi .phu{font-size:12.5px;margin-top:2px}
@media (max-width:520px){.kpi .gt{font-size:19px}}
.hai-cot{display:grid;grid-template-columns:1.25fr 1fr;gap:16px}
.hai-cot>*,.luoi>*,.kpi>*{min-width:0}
.cuon-x{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (max-width:1100px){.hai-cot{grid-template-columns:1fr}}

.nut{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 15px;border-radius:var(--r2);
     border:1px solid var(--line2);background:var(--card2);font-weight:600;font-size:13.5px;cursor:pointer;white-space:nowrap}
.nut:hover{border-color:var(--tx3)}
.nut.chinh-nut{background:var(--ac);border-color:var(--ac);color:#fff}
.nut.chinh-nut:hover{filter:brightness(1.1)}
.nut.do{background:var(--down);border-color:var(--down);color:#fff}
.nut.nho{padding:6px 11px;font-size:12.5px}
.nut:disabled{opacity:.5;cursor:not-allowed}

.bang{width:100%;border-collapse:collapse}
.bang th{font-size:12px;color:var(--tx3);font-weight:500;text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}
.bang td{padding:11px 10px;border-bottom:1px solid var(--line)}
.bang tr:last-child td{border-bottom:0}
.bang .phai{text-align:right}
.bang tbody tr:hover{background:var(--card2)}
.coin{display:flex;align-items:center;gap:10px;font-weight:600}
.coin-ic{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:10.5px;font-weight:800;color:#fff;flex:none}
.coin small{display:block;font-weight:400;color:var(--tx3);font-size:11.5px}
.thanh-pt{height:4px;border-radius:4px;background:var(--card2);margin-top:5px;overflow:hidden;min-width:60px}
.thanh-pt i{display:block;height:100%;background:var(--ac);border-radius:4px}
.the-pt{display:inline-block;padding:3px 8px;border-radius:6px;font-weight:600;font-size:12.5px;min-width:68px;text-align:center}
.the-pt.len{background:var(--up-bg)} .the-pt.xuong{background:var(--down-bg)}
svg.spark{width:90px;height:30px;display:block}
@media (max-width:520px){.an-dt{display:none}.bang td,.bang th{padding:10px 6px}}

.form{display:grid;gap:14px}
.o label{display:block;font-size:12.5px;color:var(--tx2);margin-bottom:6px;font-weight:500}
.o input,.o select{width:100%;padding:10px 12px;border-radius:var(--r2);border:1px solid var(--line2);background:var(--bg2);outline:none}
.o input:focus,.o select:focus{border-color:var(--ac);box-shadow:0 0 0 3px var(--ac-bg)}
.o .goi-y{font-size:12px;color:var(--tx3);margin-top:5px}
.hang{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.luoi-o{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}

.tabs{display:inline-flex;padding:3px;border-radius:10px;background:var(--bg2);border:1px solid var(--line);gap:2px}
.tabs button{white-space:nowrap;border:0;background:none;padding:7px 14px;border-radius:8px;cursor:pointer;color:var(--tx2);font-weight:600;font-size:13px}
.tabs button.on{background:var(--card2);color:var(--tx);box-shadow:0 1px 3px rgba(0,0,0,.25)}

.bao{padding:12px 14px;border-radius:var(--r2);font-size:13px;display:flex;gap:10px;align-items:flex-start;line-height:1.55}
.bao.vang{background:var(--demo-bg);color:var(--tx);border:1px solid color-mix(in srgb,var(--demo) 30%,transparent)}
.bao.do{background:var(--down-bg);border:1px solid rgba(234,57,67,.35)}
.bao.xanh{background:var(--up-bg);border:1px solid rgba(22,199,132,.35)}
.bao.lam{background:var(--ac-bg);border:1px solid rgba(59,130,246,.3)}
.bao svg.ic{margin-top:1px}

.trong{padding:36px 18px;text-align:center;color:var(--tx3)}
.trong .ic-to{width:46px;height:46px;border-radius:14px;margin:0 auto 12px;display:grid;place-items:center;background:var(--ac-bg);color:var(--ac)}
.trong b{display:block;color:var(--tx);font-size:15px;margin-bottom:4px}

.khung-bd{height:520px;position:relative}
@media (max-width:900px){.khung-bd{height:380px}}
.thanh-bd{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
@media (max-width:520px){.thanh-bd .tabs{width:100%;overflow-x:auto}.thanh-bd .tabs button{flex:1;padding:7px 8px}.tim-coin,.tim-coin input{width:100%}}
.gia-to{font-size:26px;font-weight:700;letter-spacing:-.4px}
.tim-coin{position:relative}
.tim-coin input{width:190px;padding:8px 12px;border-radius:var(--r2);border:1px solid var(--line2);background:var(--bg2);outline:none}
.ds-goi{position:absolute;top:100%;left:0;margin-top:4px;width:260px;max-height:320px;overflow:auto;background:var(--card);
        border:1px solid var(--line2);border-radius:var(--r2);box-shadow:var(--sh);z-index:40}
.ds-goi div{padding:8px 12px;cursor:pointer;display:flex;justify-content:space-between}
.ds-goi div:hover{background:var(--card2)}

.sap-co{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:900px){.sap-co{grid-template-columns:1fr}}
.sap-co ul{margin:6px 0 0;padding-left:18px;color:var(--tx2)} .sap-co li{margin:5px 0}
.nhan-moc{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:999px;background:var(--ac-bg);color:var(--ac)}

/* ---------- đăng nhập ---------- */
.dn{min-height:100vh;display:grid;place-items:center;padding:20px;
    background:radial-gradient(900px 500px at 20% -10%,rgba(59,130,246,.18),transparent),radial-gradient(700px 500px at 110% 110%,rgba(236,72,153,.12),transparent),var(--bg)}
.dn .the{width:100%;max-width:380px;padding:28px;box-shadow:var(--sh)}
.dn .logo{width:44px;height:44px;font-size:16px;border-radius:13px;margin-bottom:14px}
.dn h1{margin:0 0 4px;font-size:21px} .dn p{margin:0 0 20px;color:var(--tx2)}

/* ---------- hộp thoại & toast ---------- */
.man{position:fixed;inset:0;background:rgba(0,0,0,.55);display:grid;place-items:center;z-index:60;padding:16px;backdrop-filter:blur(3px)}
.hop{background:var(--card);border:1px solid var(--line2);border-radius:var(--r);padding:22px;width:100%;max-width:440px;box-shadow:var(--sh)}
.hop h3{margin:0 0 8px;font-size:17px} .hop p{color:var(--tx2);margin:0 0 16px}
.hop .hang{justify-content:flex-end;margin-top:18px}
.toasts{position:fixed;right:18px;bottom:18px;display:grid;gap:8px;z-index:70}
@media (max-width:900px){.toasts{left:12px;right:12px;bottom:76px}}
.toast{background:var(--card);border:1px solid var(--line2);border-left:4px solid var(--ac);border-radius:10px;padding:11px 14px;
       box-shadow:var(--sh);max-width:380px;animation:vao .18s ease-out}
.toast.loi{border-left-color:var(--down)} .toast.ok{border-left-color:var(--up)}
@keyframes vao{from{transform:translateY(8px);opacity:0}}
.xoay{width:16px;height:16px;border:2px solid var(--line2);border-top-color:var(--ac);border-radius:50%;animation:xoay .7s linear infinite;display:inline-block}
@keyframes xoay{to{transform:rotate(360deg)}}
.khung-xuong{background:linear-gradient(90deg,var(--card2),var(--line),var(--card2));background-size:200% 100%;animation:sang 1.2s infinite;border-radius:8px;height:18px}
@keyframes sang{to{background-position:-200% 0}}