:root {
  --bg-0: #07080b;
  --bg-1: #0c0d12;
  --bg-2: #111318;
  --bg-3: #161920;
  --bg-4: #1c1f28;
  --border: #1e2130;
  --border-bright: #2a2d3a;
  --text-0: #f0f1f4;
  --text-1: #c4c7d0;
  --text-2: #8b8fa0;
  --text-3: #5a5e70;
  --green: #00e87b;
  --green-dim: #00c066;
  --green-bg: rgba(0,232,123,0.08);
  --green-bg2: rgba(0,232,123,0.15);
  --red: #ff4757;
  --red-dim: #e03040;
  --red-bg: rgba(255,71,87,0.08);
  --red-bg2: rgba(255,71,87,0.15);
  --blue: #4f8fea;
  --blue-dim: #3a6fc0;
  --blue-bg: rgba(79,143,234,0.1);
  --amber: #f0a030;
  --amber-bg: rgba(240,160,48,0.1);
  --mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg-0);
  color: var(--text-1);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.tape-wrap {
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  height: 36px;
  position: relative;
}

.tape-wrap::before, .tape-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 60px;
  z-index: 2;
  pointer-events: none;
}

.tape-wrap::before { left: 0; background: linear-gradient(to right, var(--bg-1), transparent); }
.tape-wrap::after { right: 0; background: linear-gradient(to left, var(--bg-1), transparent); }

.tape {
  display: flex;
  align-items: center;
  height: 36px;
  width: max-content;
  animation: tickerScroll 40s linear infinite;
}

.tape:hover { animation-play-state: paused; }

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.tape-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  border-right: 1px solid var(--border);
  height: 100%;
}

.tape-ticker {
  color: var(--text-0);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.tape-price { color: var(--text-2); }
.tape-change { font-weight: 600; color: var(--green); }

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
}

.nav-left, .nav-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.nav-logo {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 4px;
  color: var(--text-0);
  text-decoration: none;
}

.nav-logo b { color: var(--blue); }

.market-status,
.nav-chip,
.nav-button,
.regime-pill,
.origin-pill,
.status-pill {
  font-family: var(--mono);
}

.market-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border-radius: 4px;
  color: var(--green);
  background: var(--green-bg);
  border: 1px solid rgba(0,232,123,0.2);
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0,232,123,0.4); }
  50% { opacity: 0.6; box-shadow: 0 0 0 6px rgba(0,232,123,0); }
}

.nav-meta {
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 11px;
}

.nav-chip {
  color: var(--text-2);
  border: 1px solid var(--border);
  padding: 7px 10px;
  border-radius: 4px;
  font-size: 10px;
  letter-spacing: 1px;
}

.nav-button {
  background: var(--blue);
  color: white;
  border: 0;
  border-radius: 6px;
  padding: 9px 14px;
  font-size: 11px;
  letter-spacing: 1px;
  cursor: pointer;
}

.nav-button:hover { background: var(--blue-dim); }

.hero-banner {
  padding: 28px 28px 24px;
  background: var(--bg-1);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.hero-headline {
  font-size: 30px;
  font-weight: 900;
  color: var(--text-0);
  letter-spacing: -0.5px;
  margin-bottom: 8px;
}

.hero-sub {
  font-size: 15px;
  color: var(--text-2);
  max-width: 820px;
  margin: 0 auto 16px;
  line-height: 1.5;
}

.hero-audience {
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 2px;
}

.command-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}

.cmd-cell {
  padding: 18px 22px;
  border-right: 1px solid var(--border);
}

.cmd-cell:last-child { border-right: 0; }

.cmd-label {
  display: block;
  color: var(--text-3);
  font-size: 10px;
  letter-spacing: 2px;
  font-family: var(--mono);
  margin-bottom: 10px;
}

.cmd-value {
  display: block;
  color: var(--text-0);
  font-size: 24px;
  font-family: var(--mono);
  font-weight: 700;
}

.cmd-sub {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text-2);
}

.main-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 340px;
  gap: 0;
  min-height: calc(100vh - 240px);
}

.panel {
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.panel-span-2 { grid-column: span 2; }
.panel-span-3 { grid-column: span 3; }

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}

.panel-head h2 {
  font-size: 14px;
  color: var(--text-0);
  letter-spacing: 0.2px;
}

.panel-head p,
.panel-note {
  color: var(--text-3);
  font-size: 12px;
  line-height: 1.5;
}

.metric-stack {
  display: grid;
}

.backtest-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field span {
  color: var(--text-3);
  font-size: 10px;
  letter-spacing: 1.5px;
  font-family: var(--mono);
}

.form-field input,
.form-field select {
  width: 100%;
  background: var(--bg-4);
  color: var(--text-0);
  border: 1px solid var(--border-bright);
  border-radius: 6px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 12px;
}

.backtest-button {
  width: 100%;
  grid-column: span 2;
}

.backtest-button:disabled {
  opacity: 0.6;
  cursor: wait;
}

.backtest-status {
  padding: 0 22px 16px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
}

.expectancy-note {
  color: var(--text-1);
  border-top: 1px solid var(--border);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
}

.metric-row span {
  color: var(--text-3);
  font-size: 11px;
  letter-spacing: 1px;
}

.metric-row strong {
  color: var(--text-0);
  font-size: 13px;
}

.panel-note {
  padding: 18px 22px;
}

.table-wrap { overflow: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  white-space: nowrap;
}

th {
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 600;
}

td {
  color: var(--text-1);
  font-family: var(--mono);
  font-size: 12px;
}

tbody tr:hover { background: var(--bg-3); }

.regime-pill,
.origin-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  letter-spacing: 1px;
  font-weight: 700;
}

.pill-bull { background: var(--green-bg2); color: var(--green); }
.pill-bear { background: var(--amber-bg); color: var(--amber); }
.pill-flat { background: var(--red-bg2); color: var(--red); }
.pill-bot { background: var(--blue-bg); color: var(--blue); }
.pill-external { background: var(--bg-4); color: var(--text-2); }

@media (max-width: 1180px) {
  .command-strip { grid-template-columns: repeat(2, 1fr); }
  .main-grid { grid-template-columns: 1fr; }
  .panel-span-2, .panel-span-3 { grid-column: span 1; }
  .panel { border-right: 0; }
}

@media (max-width: 760px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .nav-right { width: 100%; justify-content: space-between; }
  .hero-headline { font-size: 22px; }
  .command-strip { grid-template-columns: 1fr; }
  .backtest-form { grid-template-columns: 1fr; }
  .backtest-button { grid-column: span 1; }
}