/* NIFTY Engine — dark terminal. No frameworks, no CDNs, no JS. */
:root {
  --bg: #0a0c10; --card: rgba(255,255,255,.03); --line: rgba(255,255,255,.06);
  --text: #e6e8ec; --dim: rgba(255,255,255,.5); --faint: rgba(255,255,255,.35);
  --accent: #3b82f6; --accent-h: #2563eb; --up: #34d399; --down: #f87171; --warn: #fbbf24;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 Inter, system-ui, -apple-system, sans-serif;
}
.mono { font-family: "JetBrains Mono", ui-monospace, Menlo, monospace; font-variant-numeric: tabular-nums; }
::selection { background: rgba(37,99,235,.35); }
a { color: inherit; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 32px 24px; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 36px; }
.brand { display: flex; align-items: center; gap: 12px; }
h1 { font-size: 20px; font-weight: 600; letter-spacing: -.02em; margin: 0; }

.badge { font-size: 11px; padding: 2px 8px; border-radius: 5px; }
.badge.paper { background: rgba(251,191,36,.14); color: var(--warn); }
.badge.live  { background: rgba(59,130,246,.14); color: var(--accent); }
.badge.paused{ background: rgba(248,113,113,.14); color: var(--down); }

.ok { color: var(--up); font-size: 12px; }
.btn { display: inline-block; border: 0; border-radius: 7px; background: var(--accent);
  color: #fff; font-size: 13px; font-weight: 500; padding: 8px 18px; cursor: pointer;
  text-decoration: none; transition: background .15s ease; }
.btn:hover { background: var(--accent-h); }
.btn.ghost { background: rgba(255,255,255,.06); color: var(--text); }
.btn.ghost:hover { background: rgba(255,255,255,.1); }

.grid { display: grid; gap: 20px; grid-template-columns: 1fr; margin-bottom: 28px; }
@media (min-width: 820px) { .grid { grid-template-columns: 1fr 1fr 1fr; } }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px; }
.label { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: var(--faint); margin: 0 0 12px; }

.score { font-size: 60px; font-weight: 600; line-height: 1; }
.score.up { color: var(--up); } .score.down { color: var(--down); } .score.flat { color: rgba(255,255,255,.8); }
.sub { color: var(--dim); font-size: 13px; }
.hint { color: var(--faint); font-size: 11px; margin-top: 8px; }

.balance { font-size: 34px; font-weight: 600; margin: 0; }
.spark { width: 100%; height: 40px; margin-top: 14px; }

.controls { display: grid; gap: 20px; grid-template-columns: repeat(2, 1fr); align-items: end; }
@media (min-width: 820px) { .controls { grid-template-columns: repeat(5, 1fr); } }
label span.label { display: block; margin-bottom: 8px; }
select, input[type="text"], input[type="number"], input:not([type]) {
  width: 100%; background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1);
  border-radius: 7px; color: var(--text); font-size: 13px; padding: 7px 9px;
}
select:focus, input:focus { outline: none; border-color: var(--accent); }
.checks { display: flex; gap: 16px; align-items: center; padding-bottom: 6px; }
.checks label { display: flex; gap: 6px; align-items: center; font-size: 12px; color: var(--dim); }
.checks input { accent-color: var(--accent); width: auto; }
.checks label.danger { color: var(--down); }
.checks label.danger input { accent-color: var(--down); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; font-weight: 400; font-size: 11px; color: var(--faint); padding: 0 16px 8px 0; }
td { padding: 9px 16px 9px 0; border-top: 1px solid rgba(255,255,255,.04); }
.pnl-up { color: var(--up); } .pnl-down { color: var(--down); } .dim { color: var(--dim); }

.deposit { display: flex; gap: 8px; margin-top: 16px; }
.deposit input { width: 120px; }

footer { margin-top: 32px; font-size: 11px; color: rgba(255,255,255,.25); line-height: 1.6; }