/* ═══════════════════════════════════════════════════════════════
   BANDIT LAB — page-specific styles
   Inherits typography + color tokens from main.css.
   ═══════════════════════════════════════════════════════════════ */

.bd-main { position: relative; z-index: 1; }

/* ── Hero ─────────────────────────────────────────────────────── */
.bd-hero { padding: 140px 48px 64px; max-width: 1080px; }
.bd-title { margin-top: 18px; }
.bd-kicker {
  margin-top: 32px; max-width: 680px;
  font-size: 18px; line-height: 1.55; color: var(--ink-soft);
}
.bd-dateline {
  margin-top: 48px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--ink-dim); border: 1px solid var(--ink-dim);
  max-width: 900px;
}
.bd-dateline > div {
  background: var(--paper); padding: 12px 14px;
  display: flex; flex-direction: column; gap: 2px;
}
.bd-dateline .label {
  font-size: 9px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--ink-dim);
}
.bd-dateline .value {
  font-size: 11px; color: var(--ink); text-transform: none;
  letter-spacing: 0.02em;
}
.bd-stamp {
  margin-top: 14px;
  font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--ink-dim);
}

/* ── Generic section ─────────────────────────────────────────── */
.bd-section { padding: 64px 48px; max-width: 1200px; }
.bd-section .section-label { margin-bottom: 24px; }
.bd-prose { max-width: 680px; font-size: 17px; line-height: 1.55; }
.bd-prose p + p { margin-top: 20px; }
.bd-lede { font-size: 20px; line-height: 1.5; }

/* ── Buttons (ctl-btn shared pattern) ───────────────────────── */
.ctl-btn {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 7px 14px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.15s ease;
}
.ctl-btn:hover:not(:disabled) {
  background: var(--ink);
  color: var(--paper);
}
.ctl-btn:disabled {
  opacity: 0.35; cursor: not-allowed;
}
.ctl-btn.primary {
  background: var(--ink);
  color: var(--paper);
}
.ctl-btn.primary:hover:not(:disabled) {
  background: var(--accent);
  border-color: var(--accent);
}

/* ── Simulator controls ──────────────────────────────────────── */
.bd-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px 48px;
  padding: 24px 28px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
  margin-bottom: 24px;
}
.bd-control-col { display: flex; flex-direction: column; gap: 18px; }
.bd-field { display: flex; flex-direction: column; gap: 6px; }
.bd-field-label {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
}
.bd-field-row { display: flex; align-items: center; gap: 14px; }
.bd-field-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 2px;
  background: var(--ink-dim);
  outline: none;
  cursor: pointer;
}
.bd-field-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px; height: 14px;
  background: var(--accent);
  border-radius: 0;
  cursor: pointer;
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--accent);
}
.bd-field-row input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--accent);
  border: 2px solid var(--paper);
  box-shadow: 0 0 0 1px var(--accent);
  border-radius: 0;
  cursor: pointer;
}
.bd-field-val {
  font-size: 13px; min-width: 56px; text-align: right;
  color: var(--ink); letter-spacing: 0.04em;
}
.bd-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.bd-round-readout {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}

/* ── Strategy cards ──────────────────────────────────────────── */
.bd-strategies {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.bd-strat-card {
  background: var(--paper-2);
  border: 1px solid var(--rule);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bd-strat-head {
  font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink);
  display: flex; align-items: baseline; justify-content: space-between;
}
.bd-strat-sub {
  font-size: 10px; color: var(--ink-dim); text-transform: none;
  letter-spacing: 0.06em;
}
.bd-strat-stats {
  font-size: 11px; letter-spacing: 0.08em;
  color: var(--ink-soft);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--rule);
}
.bd-regret-val {
  color: var(--ink); font-weight: 500;
  font-variant-numeric: tabular-nums;
}
.bd-chart-wrap {
  margin-top: 4px;
}
.bd-chart-wrap svg {
  width: 100%; height: auto; display: block;
  background: var(--paper);
  border: 1px solid var(--ink-dim);
}
.bd-chart-label {
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 4px;
}
.bd-betas-wrap { margin-top: 8px; }

/* ── How it works ────────────────────────────────────────────── */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.how-card {
  padding: 28px 24px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
}
.how-fig {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
}
.how-title {
  font-size: 26px;
  letter-spacing: -0.01em;
  margin: 8px 0 12px;
  font-weight: 300;
}
.how-card p {
  font-size: 14px; line-height: 1.55; color: var(--ink-soft);
}

/* ── Scenario explorer ───────────────────────────────────────── */
.bd-scenario-controls {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 16px 24px;
  padding: 18px 20px;
  border: 1px solid var(--rule);
  background: var(--paper);
  margin: 24px 0;
}
.bd-preset-group { display: flex; align-items: center; gap: 10px; }
.bd-control-label {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
}
.bd-toggle {
  display: flex; align-items: center; gap: 8px;
  cursor: pointer;
}
.bd-toggle input {
  width: 16px; height: 16px;
  accent-color: var(--accent);
  cursor: pointer;
}
.bd-toggle-label {
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft);
}
.bd-mc-status {
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}
.bd-mc-results { margin-top: 24px; }
.bd-mc-results[hidden] { display: none; }
.bd-mc-table-wrap {
  overflow-x: auto;
  margin-top: 12px;
}
.bd-mc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  letter-spacing: 0.04em;
}
.bd-mc-table th,
.bd-mc-table td {
  padding: 10px 14px;
  text-align: right;
  border: 1px solid var(--rule);
}
.bd-mc-table th:first-child,
.bd-mc-table td:first-child { text-align: left; }
.bd-mc-table th {
  background: var(--paper-2);
  color: var(--ink-dim);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.bd-mc-table td {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* ── Receipts & Methodology (shared pattern) ─────────────────── */
.bd-section .metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}
@media (max-width: 720px) {
  .bd-section .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 440px) {
  .bd-section .metrics-grid { grid-template-columns: 1fr; }
}
.bd-section .metric {
  padding: 20px 22px;
  background: var(--paper-2);
  border: 1px solid var(--rule);
}
.bd-section .metric-value {
  font-size: 32px;
  font-weight: 300;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.bd-section .metric-label {
  margin-top: 4px;
  font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-dim);
}

.bd-colophon-section { max-width: 1200px; }
.method-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 48px;
  margin-top: 24px;
}
.method-head {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 8px;
}
.method-grid p { font-size: 14px; line-height: 1.55; color: var(--ink-soft); }
.method-ctas {
  margin-top: 48px;
  display: flex; gap: 16px; flex-wrap: wrap;
}

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 1100px) {
  .bd-strategies { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .bd-hero { padding: 120px 24px 48px; }
  .bd-section { padding: 48px 24px; }
  .bd-dateline { grid-template-columns: repeat(2, 1fr); }
  .bd-controls { grid-template-columns: 1fr; }
  .how-grid,
  .method-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .bd-strategies { grid-template-columns: 1fr; }
  .bd-dateline { grid-template-columns: 1fr; }
  .bd-section { padding: 40px 16px; }
  .bd-scenario-controls { flex-direction: column; align-items: flex-start; }
}