/* Subwoofer Test Tones — tool-specific overrides only. Signal generator (no mic). */

/* Hero caveat note (mirrors the .X-warn-note pattern used across the site) */
.sub-warn-note {
  max-width: 820px;
  margin: var(--space-md) auto 0;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-secondary);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 65, 0.04);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.55;
  text-align: left;
}
.sub-warn-note strong { color: var(--color-text); }

/* Loud-signal / hearing & speaker-protection warning (amber, stands out) */
.sub-safety {
  max-width: 820px;
  margin: var(--space-md) auto 0;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(255, 179, 0, 0.4);
  border-left: 4px solid var(--color-warning);
  border-radius: var(--radius-sm);
  background: rgba(255, 179, 0, 0.07);
  color: #ffd98a;
  font-size: 0.9rem;
  line-height: 1.55;
  text-align: left;
}
.sub-safety strong { color: #ffe9bd; }

/* Section sub-heads inside the tool panel */
.sub-h3 {
  font-size: 1rem;
  margin: 0 0 var(--space-sm);
  color: var(--color-primary);
}

/* "Now playing" readout line */
.sub-now {
  display: inline-block;
  min-width: 220px;
  padding: 8px 14px;
  margin-bottom: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 65, 0.04);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--color-primary);
}

/* Discrete tone-button grid */
.sub-tone-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}
@media (max-width: 560px) {
  .sub-tone-grid { grid-template-columns: repeat(2, 1fr); }
}

.sub-tone-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-alt);
  color: var(--color-text);
  font-family: var(--font-mono);
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, box-shadow 0.15s ease;
}
.sub-tone-btn:hover { border-color: var(--color-primary); }
.sub-tone-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}
.sub-tone-btn--active {
  border-color: var(--color-primary);
  background: rgba(0, 255, 65, 0.12);
  box-shadow: var(--glow-sm);
}
.sub-tone-btn__hz { font-size: 1.15rem; color: var(--color-primary); }
.sub-tone-btn__note { font-size: 0.72rem; color: var(--color-text-muted); }

/* Sweep + transport row */
.sub-transport {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-lg);
}
.sub-sweep-btn--active {
  border-color: var(--color-primary);
  background: rgba(0, 255, 65, 0.12);
  box-shadow: var(--glow-sm);
}

/* Master volume control */
.sub-vol-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}
.sub-vol-wrap label { color: var(--color-text); white-space: nowrap; }
.sub-vol {
  flex: 1 1 240px;
  min-width: 180px;
  accent-color: var(--color-primary);
}
.sub-volval {
  font-family: var(--font-mono);
  color: var(--color-primary);
  min-width: 3.5ch;
  text-align: right;
}

/* Status line */
.sub-status {
  margin-top: var(--space-sm);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Placement-comparison workflow callout */
.sub-workflow {
  margin-top: var(--space-lg);
  padding: var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 255, 0.04);
}
.sub-workflow h3 { font-size: 1rem; margin: 0 0 var(--space-sm); color: var(--color-secondary); }
.sub-workflow ol { margin: 0; padding-left: 1.3rem; color: var(--color-text); line-height: 1.6; }
.sub-workflow li { margin-bottom: 4px; }