:root{
  --bg:#020617; --card:#0b1220; --muted:#94a3b8; --line:rgba(148,163,184,.18);
  --brand:#22c55e; --brand2:#38bdf8; --warn:#fbbf24; --bad:#f87171;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  padding-bottom: calc(84px + env(safe-area-inset-bottom));
  font-family: ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(56,189,248,.12), transparent 60%),
    radial-gradient(900px 600px at 85% 20%, rgba(34,197,94,.10), transparent 60%),
    var(--bg);
  color:#e5e7eb;
}
#app{max-width:980px;margin:0 auto;padding:12px 12px calc(84px + env(safe-area-inset-bottom))}
.card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid var(--line); border-radius:18px; padding:14px; box-shadow:0 10px 30px rgba(0,0,0,.25)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:#e5e7eb;text-decoration:none;cursor:pointer}
.btn.secondary{background:rgba(255,255,255,.02)}
.btn.primary{background:linear-gradient(90deg, rgba(34,197,94,.9), rgba(56,189,248,.85)); border:0; color:#04140b; font-weight:700}
.btn.danger{background:rgba(248,113,113,.14); border-color:rgba(248,113,113,.25)}
.pill{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:rgba(255,255,255,.03);padding:6px 10px;border-radius:999px;color:#cbd5e1;font-size:12px}
.muted{color:var(--muted)}
.h1{font-size:20px;font-weight:800;letter-spacing:.2px;margin:0}
.h2{font-size:14px;font-weight:700;margin:0}
.row{display:flex;gap:10px;align-items:center}
.grid{display:grid;gap:12px}
.grid.cols2{grid-template-columns:1fr}
@media(min-width:860px){.grid.cols2{grid-template-columns:1.3fr .7fr}}
.grid.cols3{grid-template-columns:repeat(1,1fr)}
@media(min-width:560px){.grid.cols3{grid-template-columns:repeat(3,1fr)}}
.grid.cols4{grid-template-columns:repeat(2,1fr)}
@media(min-width:740px){.grid.cols4{grid-template-columns:repeat(4,1fr)}}
.input,select{width:100%;padding:10px 12px;border-radius:14px;border:1px solid var(--line);background:rgba(2,6,23,.65);color:#e5e7eb;outline:none}
.langSel{max-width:140px}
.nav{position:fixed;left:0;right:0;bottom:0;background:rgba(2,6,23,.7);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.nav .wrap{max-width:980px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr);gap:6px;padding:10px 12px calc(10px + env(safe-area-inset-bottom))}
.nav a{color:#cbd5e1;text-decoration:none;font-size:12px;display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 8px;border-radius:14px;border:1px solid transparent}
.nav a.active{background:rgba(255,255,255,.04);border-color:var(--line);color:#fff}
.table{width:100%;border-collapse:separate;border-spacing:0 10px}
.table td{padding:10px 10px;background:rgba(255,255,255,.03);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.table td:first-child{border-left:1px solid var(--line);border-top-left-radius:14px;border-bottom-left-radius:14px}
.table td:last-child{border-right:1px solid var(--line);border-top-right-radius:14px;border-bottom-right-radius:14px}
.badge{font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03)}
.badge.up{border-color:rgba(34,197,94,.35);background:rgba(34,197,94,.12);color:#86efac}
.badge.down{border-color:rgba(248,113,113,.35);background:rgba(248,113,113,.12);color:#fecaca}
.badge.warn{border-color:rgba(251,191,36,.35);background:rgba(251,191,36,.12);color:#fde68a}
.kpi{display:flex;flex-direction:column;gap:4px}
.kpi .v{font-size:18px;font-weight:800}
.small{font-size:12px}
.tiny{font-size:11px}
.mt-1{margin-top:6px}
.mt-2{margin-top:10px}
.mt-3{margin-top:14px}
.mb-2{margin-bottom:10px}
.mb-3{margin-bottom:14px}
.flex-1{flex:1}
.wrap{flex-wrap:wrap}
.center{justify-content:center}
.right{justify-content:flex-end}
.spaced{justify-content:space-between}
.nowrap{white-space:nowrap}
.truncate{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice{border:1px dashed rgba(56,189,248,.35);background:rgba(56,189,248,.08);border-radius:16px;padding:12px;color:#e0f2fe}

/* Segmented toggle (Demo/Real) */
.seg{display:inline-flex;align-items:center;gap:0;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);overflow:hidden}
.seg button{border:0;background:transparent;color:#cbd5e1;padding:8px 12px;cursor:pointer;font-weight:800;font-size:12px}
.seg button.active{background:linear-gradient(90deg, rgba(34,197,94,.9), rgba(56,189,248,.85));color:#04140b}

.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:12px;color:#cbd5e1}
.progress{height:10px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;border:1px solid rgba(148,163,184,.12)}
.progress > div{height:100%;background:linear-gradient(90deg, rgba(34,197,94,.9), rgba(56,189,248,.85));width:0%}

/* Generic modal */
.dialog-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:60;padding:12px;}
.dialog{width:100%;max-width:520px;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.6);}
.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);}
.dialog-title{font-weight:900}
.dialog-body{padding:12px 14px;max-height:70vh;overflow:auto;}
.dialog-actions{display:flex;gap:10px;justify-content:flex-end;padding:12px 14px;border-top:1px solid var(--line);}

/* Trade layout */
.trade-layout{display:grid;grid-template-columns:1fr;gap:12px;align-items:start;}
@media(min-width:900px){.trade-layout{grid-template-columns:1fr 1fr;}}


/* Modal (market picker) */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);display:flex;align-items:flex-end;justify-content:center;z-index:50;padding:12px;}
.modal{width:100%;max-width:520px;background:var(--card);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.6);}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);}
.modal-title{font-weight:900}
.modal-body{padding:12px 14px;max-height:70vh;overflow:auto;}
.market-row{display:flex;align-items:center;justify-content:space-between;padding:10px 10px;border:1px solid var(--line);border-radius:14px;margin-bottom:10px;gap:10px;cursor:pointer;}
.market-row:hover{background:rgba(255,255,255,.04);}
.market-meta{display:flex;flex-direction:column;gap:2px;min-width:0;}
.market-sym{font-weight:900;letter-spacing:.2px}
.market-name{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}
.market-price{font-variant-numeric:tabular-nums;font-weight:800;}
.market-change{font-size:12px;}
.market-change.up{color:var(--brand);}
.market-change.down{color:var(--bad);}

/* Trading widgets */
.tvbox{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(0,0,0,.25);}
.tvbox .tvhead{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--line);}
.tvbox .tvbody{min-height:360px;}
@media(max-width:720px){ .tvbox .tvbody{min-height:320px;} }

/* Invest plan cards tweaks */
.plan-card{display:flex;flex-direction:column;gap:10px;}
.plan-badges{display:flex;gap:8px;flex-wrap:wrap;}

/* Segmented toggle (Demo/Real) */
.seg-toggle{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.02);}
.seg-toggle button{border:0;background:transparent;color:#cbd5e1;padding:8px 10px;border-radius:999px;cursor:pointer;font-weight:800;font-size:12px;}
.seg-toggle button.active{background:linear-gradient(90deg, rgba(34,197,94,.85), rgba(56,189,248,.75));color:#04140b;}

/* Trade form helpers */
.help{color:var(--muted);font-size:12px;line-height:1.35;}
.divider{height:1px;background:var(--line);margin:12px 0;}

/* Dashboard hero */
.hero{display:flex;flex-direction:column;gap:10px;}
.hero .hero-top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;flex-wrap:wrap;}