* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #0b0f16;
  --panel: #111827;
  --panel-2: #1a2332;
  --border: #1f2937;
  --border-2: #2d3748;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --dim: #6b7280;
  --green: #6ee7b7;
  --red: #fca5a5;
  --amber: #fbbf24;
  --blue: #60a5fa;
  --green-bg: #064e3b;
  --red-bg: #450a0a;
  --amber-bg: #1f1406;
  --blue-bg: #172554;
}

html { font-size: 16px; }

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding: var(--sp-4, 16px);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Page Header / Nav === */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}

.page-header h1 {
  font-size: 1.25rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.top-nav {
  display: flex;
  gap: 4px;
  align-items: center;
}

.top-nav a {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
}

.top-nav a:hover { color: var(--text); text-decoration: none; background: var(--panel); }
.top-nav a.active { color: var(--blue); background: var(--blue-bg); }

/* === Typography === */
.page-title {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: -0.02em;
}

.page-subtitle {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 16px;
}

.section-title {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: uppercase;
  font-weight: 700;
  margin: 20px 0 8px;
}

/* === Cards === */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  margin: 12px 0;
}

.card h2 {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  font-weight: 700;
}

.card h3 {
  font-size: 0.9rem;
  color: var(--text);
  margin-bottom: 8px;
  font-weight: 600;
}

/* === Metrics === */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
}

.metric {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  text-align: center;
}

.metric .v {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.metric .l {
  font-size: 0.65rem;
  color: var(--muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
}

.metric-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.price-big {
  font-size: 1.6rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* === Badges === */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  border: 1px solid;
  letter-spacing: 0.04em;
}

.badge-green { color: var(--green); border-color: var(--green); background: var(--green-bg); }
.badge-red { color: var(--red); border-color: var(--red); background: var(--red-bg); }
.badge-amber { color: var(--amber); border-color: var(--amber); background: var(--amber-bg); }
.badge-blue { color: var(--blue); border-color: var(--blue); background: var(--blue-bg); }
.badge-neutral { color: var(--muted); border-color: var(--border-2); background: var(--panel); }

/* State badge aliases (original page classes) */
.pre-market, .pre-market-badge { color: var(--blue); border-color: var(--blue); background: var(--blue-bg); }
.trade { color: var(--green); border-color: var(--green); background: var(--green-bg); }
.wait { color: var(--amber); border-color: var(--amber); background: var(--amber-bg); }
.no-trade { color: var(--muted); border-color: var(--border-2); background: var(--panel); }
.research { color: var(--amber); border-color: #92400e; background: #1f1406; }

/* State text colors */
.st-state { color: var(--green); }
.st-wait { color: var(--amber); }
.st-no-trade { color: var(--muted); }
.st-active { color: var(--blue); }
.st-invalid { color: var(--red); }
.st-stale { color: var(--red); }
.st-target { color: var(--green); }

/* Hero / decision display (NIFTY/BANKNIFTY pages) */
.hero { font-size: 1.4rem; font-weight: 800; text-align: center; padding: 8px 4px; }
.hero-sub { text-align: center; color: var(--muted); font-size: 0.85rem; }

/* Hero state colors */
.st-TRADE, .st-TARGET { color: var(--green); }
.st-WAIT, .st-NO_TRADE { color: var(--amber); }
.st-ACTIVE { color: var(--blue); }
.st-INVALIDATION, .st-STALE { color: var(--red); }

/* Index page specific */
.status-card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px; margin: 8px 0; text-align: center; }
.status-card h2 { font-size: 1.1rem; color: var(--blue); margin-bottom: 8px; }
.info-row { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.info-item { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; text-align: center; min-width: 80px; }
.info-item .v { font-size: 1rem; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.info-item .l { font-size: 0.65rem; color: var(--muted); margin-top: 4px; }

/* Payoff chart (NIFTY/BANKNIFTY) */
.payoff-chart { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px; margin: 8px 0; overflow-x: auto; }
.payoff-chart svg { max-width: 100%; height: auto; }

/* Column layouts */
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 700px) { .cols { grid-template-columns: 1fr; } }

/* === Data Strip === */
.data-strip {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.8rem;
}

.data-strip .item {
  display: flex;
  gap: 4px;
  align-items: baseline;
}

.data-strip .label { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; font-weight: 600; }
.data-strip .value { color: var(--text); font-variant-numeric: tabular-nums; font-weight: 600; }

/* === Key-Value Rows === */
.lv {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  border-bottom: 1px dashed var(--border);
  font-size: 0.85rem;
}

.lv:last-child { border-bottom: none; }
.lv .label { color: var(--muted); font-size: 0.8rem; }
.lv .value { color: var(--text); font-variant-numeric: tabular-nums; font-weight: 600; }

/* === Tables === */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-variant-numeric: tabular-nums;
}

table .text-right { text-align: right; }

/* === Disclose / Details === */
details.adv {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 16px;
  margin: 12px 0;
}

details.adv summary {
  cursor: pointer;
  padding: 8px 0;
  font-size: 0.9rem;
  min-height: 44px;
  border-radius: 6px;
}

/* === Disclosures === */
.disclose {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin: 12px 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* === Layout === */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 700px) {
  .grid-2, .cols, .two-col { grid-template-columns: 1fr; }
}

/* === Footer === */
footer {
  text-align: center;
  padding: 32px 16px;
  color: var(--dim);
  font-size: 0.7rem;
  border-top: 1px solid var(--border);
  margin-top: 32px;
}

/* === Responsive === */
@media (max-width: 600px) {
  body { padding: 12px; }
  .metric .v { font-size: 1rem; }
  .price-big { font-size: 1.3rem; }
  .page-title { font-size: 1.2rem; }
  .page-header h1 { font-size: 1.1rem; }
  .top-nav a { font-size: 0.75rem; padding: 4px 8px; }
  .card h2 { font-size: 0.7rem; }
}

@media (max-width: 430px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
}

/* === Focus === */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  animation-duration: 0.01ms !important;
  transition-duration: 0.01ms !important;
}

.hidden { display: none; }
.scroll-x { overflow-x: auto; }
.scroll-x table { min-width: 500px; }

/* Missing classes needed by pages */
.l { font-size: .65rem; color: #9ca3af; margin-top: .15rem }
.v { font-size: 1.1rem; font-weight: 700; color: #e5e7eb; font-variant-numeric: tabular-nums }
.warn { color: #fbbf24; font-size: .8rem }
.neutral { color: #9ca3af }
.pre-market-badge { color: #a78bfa; border-color: #4c1d95; background: #1e1b4b }