/* Statistical Power Calculator — tool-specific styles */

.sp-test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 0.5rem;
}
@media (max-width: 575.98px) { .sp-test-grid { grid-template-columns: repeat(2, 1fr); } }
.sp-test-chip {
  padding: 0.55rem 0.5rem;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  background: var(--bs-body-bg, #fff);
  border-radius: 0.55rem;
  font-size: 0.82rem; font-weight: 600;
  color: var(--evvy-text-secondary, #555);
  cursor: pointer; transition: all 180ms ease;
}
.sp-test-chip:hover {
  border-color: var(--cluster-dark, #1A237E);
  color: var(--cluster-dark, #1A237E);
  transform: translateY(-1px);
}
.sp-test-chip.sp-active {
  background: var(--cluster-dark, #1A237E);
  color: var(--cluster-text, #fff);
  border-color: var(--cluster-dark, #1A237E);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--cluster-dark, #1A237E) 25%, transparent);
}

.sp-row2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-top: 0.4rem;
}
@media (max-width: 575.98px) { .sp-row2 { grid-template-columns: 1fr; } }
.sp-tail-row { justify-content: flex-end; }

.sp-effect-wrap {
  display: flex; flex-wrap: wrap; align-items: center;
  gap: 0.6rem; margin-top: 0.4rem;
}
.sp-effect-chips { flex: 1; }

.sp-hero-sub {
  margin-top: 0.4rem;
  font-size: 0.85rem; color: var(--evvy-text-secondary, #777);
  font-variant-numeric: tabular-nums;
}

/* Curve card */
.sp-curve-card {
  margin-top: 1rem;
  padding: 0.95rem 1.1rem;
  border-radius: 0.85rem;
  border: 1px solid var(--evvy-border-color, #DEE2E6);
  background: var(--bs-body-bg, #fff);
}
.sp-curve-header {
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--cluster-dark, #1A237E);
  margin-bottom: 0.4rem;
}
#power-curve {
  width: 100%;
  height: auto;
  aspect-ratio: 600 / 220;
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 4%, transparent);
  border-radius: 0.5rem;
}
.sp-curve-legend {
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--evvy-text-secondary, #777);
}
[data-bs-theme="dark"] .sp-curve-card { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, #1a1a1a); }

/* Pro blocks */
.sp-pro-block {
  margin-top: 1.1rem;
  padding: 1rem 1.15rem;
  border-radius: 0.85rem;
  border: 1px solid color-mix(in srgb, var(--cluster-dark, #1A237E) 14%, transparent);
  background: var(--bs-body-bg, #fff);
}
.sp-pro-header {
  font-size: 0.78rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--cluster-dark, #1A237E);
  margin-bottom: 0.6rem;
}
.sp-pro-tease {
  padding: 0.85rem 1rem;
  background: var(--cluster-surface, #E8EAF6);
  border-radius: 0.65rem;
  font-size: 0.85rem; text-align: center; line-height: 1.55;
  color: var(--evvy-text-secondary, #555);
}
.sp-pro-tease i.bi-lock-fill { display: block; font-size: 1.25rem; margin-bottom: 0.3rem; color: var(--evvy-subscriber-color, #b97a30); }
.sp-pro-tease .evvy-premium-badge { display: inline-block; margin-top: 0.45rem; text-decoration: none; }
[data-bs-theme="dark"] .sp-pro-block { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 6%, #1a1a1a); }
[data-bs-theme="dark"] .sp-pro-tease { background: color-mix(in srgb, var(--cluster-dark, #1A237E) 14%, #1a1a1a); }

.sp-seq, .sp-bf {
  width: 100%;
  font-size: 0.8rem;
  border-collapse: collapse;
  margin-top: 0.4rem;
}
.sp-seq th, .sp-bf th {
  font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.05em;
  font-weight: 700; color: var(--evvy-text-secondary, #777);
  padding: 0.35rem 0.5rem; border-bottom: 2px solid var(--evvy-border-color, #DEE2E6);
  text-align: left;
}
.sp-seq td, .sp-bf td {
  padding: 0.35rem 0.5rem;
  border-bottom: 1px solid color-mix(in srgb, var(--evvy-border-color, #DEE2E6) 70%, transparent);
  font-variant-numeric: tabular-nums;
}
.sp-bf .sp-bf-row-active {
  background: color-mix(in srgb, var(--cluster-dark, #1A237E) 10%, transparent);
  font-weight: 700;
}