:root {
  color-scheme: dark;
  --bg: #070a12;
  --panel: rgba(12, 18, 32, 0.72);
  --line: rgba(125, 211, 252, 0.18);
  --text: #e5f3ff;
  --muted: #83a4be;
  --green: #2fffa6;
  --red: #ff5573;
  --blue: #50b7ff;
  --yellow: #ffd166;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background:
    radial-gradient(circle at 15% 10%, rgba(47, 255, 166, .16), transparent 28%),
    radial-gradient(circle at 85% 20%, rgba(80, 183, 255, .18), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(255, 85, 115, .12), transparent 36%),
    var(--bg);
  color: var(--text);
}

.bg-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}

.shell {
  width: min(1500px, calc(100% - 36px));
  margin: 0 auto;
  padding: 28px 0 40px;
}

.glass, .card {
  border: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(13, 20, 37, .86), rgba(8, 12, 24, .62));
  box-shadow: 0 20px 70px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter: blur(14px);
}

.hero {
  border-radius: 28px;
  padding: 28px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
}

.eyebrow { margin: 0 0 8px; color: var(--green); letter-spacing: .22em; text-transform: uppercase; font-size: 12px; }
h1 { margin: 0; font-size: clamp(34px, 5vw, 70px); line-height: 1; text-shadow: 0 0 30px rgba(47,255,166,.25); }
.sub { margin: 14px 0 0; color: var(--muted); font-size: 15px; }

.controls { display: flex; flex-wrap: wrap; gap: 12px; justify-content: flex-end; }
button {
  border: 0;
  cursor: pointer;
  color: #041016;
  font-weight: 800;
  padding: 13px 18px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--green), var(--blue));
  box-shadow: 0 10px 30px rgba(47,255,166,.16);
}
button.ghost { background: rgba(255,255,255,.08); color: var(--text); border: 1px solid var(--line); box-shadow: none; }
button.danger { color: #ffc7d0; border-color: rgba(255,85,115,.35); }

.ticker {
  margin-top: 16px;
  border-radius: 18px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.pulse {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(47,255,166,.6);
  animation: pulse 1.4s infinite;
}
.pulse.off { background: var(--red); animation: none; }
@keyframes pulse { 70% { box-shadow: 0 0 0 14px rgba(47,255,166,0); } }
.ticker small { display:block; color: var(--muted); margin-top: 2px; }
.target { margin-left: auto; color: var(--blue); font-weight: 800; }

.range-bar {
  margin-top: 16px;
  border-radius: 20px;
  padding: 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 16px;
  align-items: center;
}
.range-title { display:block; font-weight: 800; color: var(--text); }
.range-bar small { display:block; color: var(--muted); margin-top: 4px; }
.quick-ranges { display:flex; flex-wrap: wrap; gap: 8px; }
.range-btn, .custom-range button {
  padding: 9px 12px;
  border-radius: 999px;
  font-size: 12px;
  background: rgba(255,255,255,.07);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: none;
}
.range-btn.active {
  color: #041016;
  background: linear-gradient(135deg, var(--green), var(--blue));
  border-color: transparent;
}
.custom-range { display:flex; align-items:center; gap: 8px; color: var(--muted); }
.custom-range input {
  width: 175px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 11px;
  outline: none;
}

.stats {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.card {
  min-height: 128px;
  border-radius: 22px;
  padding: 20px;
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  right: -35px;
  top: -35px;
  width: 96px;
  height: 96px;
  background: radial-gradient(circle, rgba(80,183,255,.2), transparent 62%);
}
.card span, .panel-title span { color: var(--muted); font-size: 13px; }
.card strong { display:block; margin-top: 14px; font-size: clamp(24px, 2.6vw, 40px); letter-spacing: -0.03em; }
.card small { display:block; margin-top: 8px; color: var(--muted); }
.pnl-card { grid-column: span 2; }
.positive { color: var(--green) !important; }
.negative { color: var(--red) !important; }

.panel-grid {
  display: grid;
  grid-template-columns: 1.8fr .9fr;
  gap: 16px;
  margin-top: 16px;
}
.panel {
  border-radius: 24px;
  padding: 18px;
  min-width: 0;
}
.panel-title { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom: 14px; }
h2 { margin: 0; font-size: 18px; }
.table-wrap { overflow:auto; max-height: 520px; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td { text-align: left; padding: 13px 10px; border-bottom: 1px solid rgba(255,255,255,.07); font-size: 13px; }
th { color: var(--muted); font-weight: 600; position: sticky; top: 0; background: rgba(8,12,24,.96); z-index: 1; }
td { color: #dbeafe; }
.badge { display:inline-flex; align-items:center; justify-content:center; border-radius: 999px; padding: 4px 10px; font-weight: 800; font-size: 12px; }
.badge.buy, .badge.long { background: rgba(47,255,166,.12); color: var(--green); border: 1px solid rgba(47,255,166,.28); }
.badge.sell, .badge.short { background: rgba(255,85,115,.12); color: var(--red); border: 1px solid rgba(255,85,115,.28); }

.logs { display:flex; flex-direction:column; gap:10px; max-height:520px; overflow:auto; }
.log {
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.04);
  border-radius: 14px;
  padding: 12px;
  color: var(--muted);
  font-size: 13px;
}
.log b { color: var(--text); }

.trade-tape {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
  max-height: 420px;
  overflow: auto;
}
.trade {
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.045);
  border-radius: 16px;
  padding: 14px;
}
.trade .top { display:flex; justify-content:space-between; gap: 10px; margin-bottom: 10px; }
.trade strong { font-size: 15px; }
.trade small { color: var(--muted); display:block; margin-top: 4px; }

@media (max-width: 1200px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .panel-grid { grid-template-columns: 1fr; }
  .range-bar { grid-template-columns: 1fr; }
  .custom-range { flex-wrap: wrap; }
}
@media (max-width: 720px) {
  .shell { width: min(100% - 22px, 1500px); padding-top: 12px; }
  .hero { flex-direction: column; align-items: stretch; }
  .controls { justify-content: stretch; }
  button { flex: 1; }
  .custom-range input { width: 100%; }
  .custom-range button { width: 100%; }
  .stats { grid-template-columns: 1fr; }
  .pnl-card { grid-column: auto; }
}