body { background-color: var(--canvas); color: var(--ink); }

.bj-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem clamp(1rem, 4vw, 2rem) 5rem;
}

/* Header */
.bj-header {
  text-align: center;
  margin-bottom: 2rem;
}
.bj-header h1 {
  font-family: 'Crimson Pro', serif;
  font-size: clamp(1.8rem, 4.5vw, 2.6rem);
  font-weight: 700; color: var(--info-strong);
  margin-bottom: 0.5rem;
}
.bj-header p { color: var(--ink-60);
  font-size: 1rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ── Tool card ── */
.bj-tool { background: var(--surface); border-radius: var(--r-sm);
  padding: 1.75rem clamp(1rem, 4vw, 2rem);
  margin-bottom: 1.5rem;
}

.bj-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.75rem;
}
@media (max-width: 580px) {
  .bj-sections { grid-template-columns: 1fr; gap: 1rem; }
}

.bj-section-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-60);
  margin-bottom: 0.75rem;
}

/* Card display area */
.card-display {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-height: 72px;
  align-items: center; background: var(--canvas); border-radius: var(--r-sm);
  padding: 0.6rem 0.75rem;
  margin-bottom: 0.75rem;
  border: 1px solid var(--rule);
}
.card-display .placeholder { color: var(--ink-70);
  font-size: 0.9rem;
  font-style: italic;
}

/* Playing card */
.bj-card {
  width: 42px;
  height: 58px; background: var(--surface); border-radius: var(--r-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  cursor: pointer; box-shadow: none;
  user-select: none;
  transition: transform 0.1s;
  flex-shrink: 0;
}
.bj-card:hover { transform: translateY(-2px); }
.bj-card .card-suit {
  font-size: 0.65rem; color: var(--ink-60);
  margin-top: 1px;
}
.bj-card .card-remove {
  position: absolute;
  top: -5px;
  right: -5px;
  width: 16px;
  height: 16px;
  background: var(--negative);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem; color: var(--surface);
  font-weight: 700;
}
.bj-card.dealer-card {
  background: var(--info-05);
  color: var(--info-strong);
}
.bj-card.dealer-card .card-suit { color: var(--info); }

/* Value picker buttons */
.value-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.val-btn {
  width: 36px;
  height: 36px; border-radius: var(--r-sm);
  border: 1.5px solid var(--rule); background: var(--canvas); color: var(--ink-70);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.val-btn:hover { background: var(--wash); border-color: var(--keyline); color: var(--ink); }
.val-btn.active { background: var(--ink); border-color: var(--keyline); color: var(--surface); }
.val-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* ── Table rules bar ── */
.bj-rules {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--rule);
}
.bj-rules-label {
  width: 100%;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--ink-60);
  margin-bottom: 0.2rem;
}
.rule-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.85rem; border-radius: var(--r-sm);
  border: 1.5px solid var(--rule); background: var(--canvas); color: var(--ink-60);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.rule-toggle:hover { border-color: var(--ink-60); color: var(--ink); }
.rule-toggle input { display: none; }
.rule-toggle .rule-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink-70);
  flex-shrink: 0;
  transition: background 0.15s;
}
.rule-toggle.on { border-color: var(--keyline); color: var(--ink); background: rgba(255,107,74,0.08); }
.rule-toggle.on .rule-dot { background: var(--ink); }

/* Fallback note inside result banner */
.result-fallback {
  margin-top: 0.55rem;
  padding-top: 0.55rem;
  border-top: 1px dashed rgba(153, 162, 176,0.35);
  font-size: 0.83rem;
  color: var(--ink-70);
  line-height: 1.5;
}
.result-fallback strong { color: var(--ink); }

/* Reset button */
.bj-reset {
  display: flex;
  justify-content: center;
  margin-top: 0.25rem;
}
.reset-btn {
  background: none; border: 1px solid var(--rule); color: var(--ink-60); border-radius: var(--r-sm);
  padding: 0.4rem 1.2rem;
  font-size: 0.82rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.reset-btn:hover { border-color: var(--ink-60); color: var(--ink); }

/* ── Result banner ── */
.bj-result { border-radius: var(--r-sm);
  padding: 1.4rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: background 0.25s, border-color 0.25s;
  border: 2px solid transparent;
  min-height: 88px;
}
.bj-result.empty { background: var(--canvas);
  border-color: var(--rule);
  justify-content: center;
}
.bj-result.empty .result-hint { color: var(--ink-70);
  font-size: 0.92rem;
  font-style: italic;
}
.bj-result.hit    { background: rgba(163, 97, 26,0.12); border-color: var(--caution-deep); }
.bj-result.stand  { background: rgba(31, 122, 92,0.12);  border-color: var(--positive); }
.bj-result.double { background: rgba(47, 93, 143,0.12); border-color: var(--info); }
.bj-result.split  { background: rgba(122, 94, 168,0.12); border-color: var(--ink); }

.result-icon {
  font-size: 2.4rem;
  line-height: 1;
  flex-shrink: 0;
}
.result-body { flex: 1; }
.result-action {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}
.bj-result.hit    .result-action { color: var(--caution-deep); }
.bj-result.stand  .result-action { color: var(--positive); }
.bj-result.double .result-action { color: var(--info); }
.bj-result.split  .result-action { color: var(--ink); }
.result-reason {
  font-size: 0.88rem; color: var(--ink-60);
  line-height: 1.5;
}
.result-hand-type {
  font-size: 0.8rem; color: var(--ink-60);
  margin-top: 0.4rem;
}

/* ── Reference charts ── */
.bj-charts {
  margin-top: 2.5rem;
}
.charts-title {
  font-family: 'Crimson Pro', serif;
  font-size: 1.4rem;
  font-weight: 700; color: var(--ink);
  margin-bottom: 1rem;
  text-align: center;
}

/* Tab nav */
.chart-tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
}
.chart-tab {
  padding: 0.4rem 1.1rem; border-radius: var(--r-sm);
  border: 1.5px solid var(--rule);
  background: transparent; color: var(--ink-60);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.chart-tab.active { background: var(--ink); border-color: var(--keyline); color: var(--surface); }
.chart-tab:not(.active):hover { border-color: var(--ink-60); color: var(--ink); }

.chart-panel { display: none; }
.chart-panel.visible { display: block; }

/* Strategy table */
.strat-table-wrap {
  overflow-x: auto; border-radius: var(--r-sm);
}
.strat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
  min-width: 460px;
}
.strat-table th {
  padding: 0.5rem 0.4rem;
  text-align: center; color: var(--ink-60);
  font-weight: 600;
  font-size: 0.75rem; background: var(--canvas);
  position: sticky;
  top: 0;
  z-index: 1;
}
.strat-table th.row-header { text-align: left; padding-left: 0.75rem; min-width: 80px; }
.strat-table td {
  padding: 0.45rem 0.35rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.78rem;
  border: 1px solid var(--rule);
}
.strat-table tr:first-child td { border-top: none; }
.strat-table td.row-label {
  text-align: left;
  padding-left: 0.75rem;
  background: var(--wash); color: var(--ink-70);
  font-weight: 600;
  white-space: nowrap;
}
/* Action cell colors */
.strat-table td.c-H  { background: rgba(163, 97, 26,0.22); color: var(--caution-deep); }
.strat-table td.c-S  { background: rgba(31, 122, 92,0.2);  color: var(--positive-deep); }
.strat-table td.c-D  { background: rgba(47, 93, 143,0.22); color: var(--info-strong); }
.strat-table td.c-Ds { background: rgba(47, 143, 131,0.22); color: var(--positive-deep); }
.strat-table td.c-SP { background: rgba(122, 94, 168,0.22); color: var(--ink); }

/* Legend */
.chart-legend {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 1rem;
}
.legend-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem; color: var(--ink-60);
}
.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--r-sm);
}
.ld-H  { background: rgba(163, 97, 26,0.5); border: 1px solid var(--caution-deep); }
.ld-S  { background: rgba(31, 122, 92,0.5);  border: 1px solid var(--positive); }
.ld-D  { background: rgba(47, 93, 143,0.5); border: 1px solid var(--info); }
.ld-Ds { background: rgba(47, 143, 131,0.5); border: 1px solid var(--positive); }
.ld-SP { background: rgba(122, 94, 168,0.5); border: 1px solid var(--ink); }

/* Info note */
.bj-note {
  background: var(--info-05);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--info); border-radius: var(--r-sm);
  padding: 0.85rem 1.1rem;
  font-size: 0.83rem; color: var(--ink-60);
  line-height: 1.6;
  margin-top: 1.5rem;
}
.bj-note strong { color: var(--ink-70); }