:root {
  color-scheme: dark;
  --bg: #080b0a;
  --panel: #101513;
  --line: #26302c;
  --text: #f1f5f3;
  --muted: #7d8984;
  --green: #c7ff45;
  --green-soft: rgba(199,255,69,.1);
  --red: #ff6b70;
  --purple: #a68bff;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 80% 0, rgba(199,255,69,.055), transparent 28rem), var(--bg); color: var(--text); }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .18; background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px); background-size: 36px 36px; }
.shell { position: relative; width: min(1180px, 100%); margin: 0 auto; padding: 28px 22px 56px; }
.topbar, .section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; }
h1, h2, p { margin: 0; }
h1 { margin-top: 4px; font-size: clamp(28px, 4vw, 44px); letter-spacing: -.045em; }
h2 { margin-top: 4px; font-size: 22px; letter-spacing: -.025em; }
.kicker { color: var(--muted); font: 700 10px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: .16em; }
.status-wrap { display: flex; align-items: flex-end; flex-direction: column; gap: 8px; }
.badge { padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font: 700 10px/1 ui-monospace, monospace; text-transform: uppercase; }
.badge.live { border-color: rgba(199,255,69,.35); background: var(--green-soft); color: var(--green); }
.badge.paper { border-color: rgba(166,139,255,.35); background: rgba(166,139,255,.1); color: var(--purple); }
.badge.error { color: var(--red); border-color: rgba(255,107,112,.35); }
.timestamp, .muted { color: var(--muted); font: 500 11px/1.2 ui-monospace, monospace; }
.panel { border: 1px solid var(--line); background: linear-gradient(145deg, rgba(20,27,24,.94), rgba(12,16,14,.94)); box-shadow: inset 0 1px rgba(255,255,255,.025); }
.hero { display: grid; grid-template-columns: 1.15fr 1fr; margin-top: 28px; min-height: 250px; }
.hero-copy { padding: 38px; display: flex; flex-direction: column; justify-content: center; border-right: 1px solid var(--line); }
.hero-copy > span, .metric > span, .risk span, .grid-progress span { color: var(--muted); font: 700 11px/1.2 ui-monospace, monospace; letter-spacing: .06em; }
.hero-copy > strong { margin: 12px 0 6px; color: var(--green); font: 500 clamp(58px, 9vw, 108px)/.9 ui-monospace, SFMono-Regular, monospace; letter-spacing: -.08em; text-shadow: 0 0 38px rgba(199,255,69,.12); }
.hero-copy p { color: var(--muted); font-size: 13px; }
.grid-progress { display: grid; grid-template-columns: 1fr 1fr; }
.grid-progress div { display: flex; flex-direction: column; justify-content: center; padding: 28px; border-bottom: 1px solid var(--line); }
.grid-progress div:first-child { grid-column: 1 / -1; }
.grid-progress div:nth-child(2) { border-right: 1px solid var(--line); border-bottom: 0; }
.grid-progress div:last-child { border-bottom: 0; }
.grid-progress strong { margin-top: 12px; font: 500 24px/1 ui-monospace, monospace; }
.grid-progress b { font-weight: inherit; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 14px; gap: 14px; }
.metric { padding: 25px; min-height: 138px; display: flex; flex-direction: column; justify-content: center; }
.metric strong { margin: 13px 0 8px; font: 600 25px/1 ui-monospace, monospace; }
.metric small { color: var(--muted); font-size: 11px; }
.metric.accent strong { color: var(--green); }
.positive { color: var(--green) !important; }
.negative { color: var(--red) !important; }
.section-heading { margin: 36px 0 14px; }
.positions { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.position { padding: 26px; min-height: 206px; }
.position-header { display: flex; justify-content: space-between; gap: 14px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.position-symbol span { display: block; color: var(--muted); font: 700 9px/1 ui-monospace, monospace; letter-spacing: .1em; }
.position-symbol strong { display: block; margin-top: 8px; font: 650 22px/1 ui-monospace, monospace; }
.position-side { text-align: right; }
.position-side strong { display: block; font: 650 17px/1 ui-monospace, monospace; }
.position-side small { display: block; margin-top: 8px; color: var(--muted); }
.position-data { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.position-data span { display: block; color: var(--muted); font-size: 10px; }
.position-data strong { display: block; margin-top: 8px; font: 550 14px/1 ui-monospace, monospace; }
.skeleton { opacity: .32; background: linear-gradient(100deg, var(--panel) 20%, #1d2521 50%, var(--panel) 80%); background-size: 200% 100%; animation: shimmer 1.4s infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.ladder-panel { overflow: hidden; }
.ladder-head, .ladder-row { display: grid; grid-template-columns: .7fr 1fr 1fr .8fr; align-items: center; gap: 12px; padding: 15px 22px; }
.ladder-head { border-bottom: 1px solid var(--line); color: var(--muted); font: 700 9px/1 ui-monospace, monospace; letter-spacing: .08em; }
.ladder-row { border-bottom: 1px solid rgba(38,48,44,.7); font: 550 12px/1.2 ui-monospace, monospace; }
.ladder-row:last-child { border-bottom: 0; }
.ladder-row b { color: var(--green); }
.ladder-row i { justify-self: start; padding: 4px 7px; border-radius: 999px; background: var(--green-soft); color: var(--green); font-style: normal; font-size: 9px; }
.empty { padding: 34px; text-align: center; color: var(--muted); font-size: 12px; }
.risk { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 14px; }
.risk div { padding: 20px; border-right: 1px solid var(--line); }
.risk div:last-child { border: 0; }
.risk strong { display: block; margin-top: 9px; font-size: 12px; }
.message { min-height: 18px; margin-top: 18px; color: var(--red); font-size: 12px; }
.login-overlay { position: fixed; z-index: 10; inset: 0; display: grid; place-items: center; padding: 20px; background: rgba(4,6,5,.92); backdrop-filter: blur(14px); }
.login-overlay.hidden { display: none; }
.login-card { width: min(410px, 100%); padding: 34px; border: 1px solid var(--line); background: #0d1210; box-shadow: 0 24px 80px rgba(0,0,0,.5); }
.login-card h2 { margin: 10px 0 8px; font-size: 30px; }
.login-card p { color: var(--muted); font-size: 13px; line-height: 1.6; }
.login-card label { display: block; margin: 24px 0 8px; color: var(--muted); font-size: 11px; }
.login-card input { width: 100%; height: 50px; border: 1px solid var(--line); padding: 0 14px; background: #080b0a; color: var(--text); font-size: 16px; outline: none; }
.login-card input:focus { border-color: var(--green); }
.login-card button { width: 100%; height: 50px; margin-top: 12px; border: 0; background: var(--green); color: #11150f; font-weight: 800; cursor: pointer; }
.login-card small { display: block; min-height: 16px; margin-top: 10px; color: var(--red); }
@media (max-width: 720px) {
  .shell { padding: 22px 14px 42px; }
  .hero { grid-template-columns: 1fr; }
  .hero-copy { padding: 30px 24px; min-height: 220px; border-right: 0; border-bottom: 1px solid var(--line); }
  .hero-copy > strong { font-size: clamp(58px, 20vw, 86px); }
  .grid-progress div { padding: 22px 18px; }
  .metrics { grid-template-columns: 1fr; }
  .metric { min-height: 112px; }
  .positions { grid-template-columns: 1fr; }
  .position-data { gap: 9px; }
  .risk { grid-template-columns: 1fr 1fr; }
  .risk div:nth-child(2) { border-right: 0; }
  .risk div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .ladder-head, .ladder-row { padding-inline: 14px; font-size: 10px; }
}