/* Speaker Break-In Tone Generator — tool-specific overrides only.
   SIGNAL tool: timed pink noise + slow sweep, progress bar, auto-stop. No microphone. */

/* ── Honest caveat note (hero) ── */
.brk-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;
}
.brk-warn-note strong { color: var(--color-text-bright); }

/* ── Layout ── */
.brk-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); align-items: start;
}
@media (max-width: 760px) { .brk-grid { grid-template-columns: 1fr; gap: var(--space-lg); } }
.brk-h3 { font-size: 1rem; margin: 0 0 var(--space-sm); color: var(--color-primary); font-family: var(--font-display); text-transform: uppercase; letter-spacing: 0.05em; }

/* ── Preset buttons ── */
.brk-presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin-bottom: var(--space-md); }
.brk-preset {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 10px 4px; color: var(--color-secondary); font-family: var(--font-mono); font-size: 0.95rem;
  font-weight: 600; cursor: pointer; text-align: center;
  transition: border-color 0.15s, color 0.15s, background 0.15s, box-shadow 0.15s;
}
.brk-preset:hover, .brk-preset:focus-visible { border-color: var(--color-primary); color: var(--color-primary); outline: none; }
.brk-preset.is-active {
  background: var(--color-primary); border-color: var(--color-primary); color: #0a0a0a;
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-primary) 35%, transparent);
}

/* ── Fields ── */
.brk-field { margin-bottom: var(--space-md); }
.input-label {
  display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-sm);
  font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: var(--space-xs); font-family: var(--font-mono);
}
.control-label__val { font-family: var(--font-mono); color: var(--color-secondary); font-weight: 600; white-space: nowrap; }
.brk-num {
  width: 100%; margin-top: 4px; padding: 10px 12px; background: var(--color-bg); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: var(--font-mono); font-size: 0.95rem;
}
.brk-num:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 2px rgba(0, 255, 65, 0.18); }
.control-slider { width: 100%; accent-color: var(--color-primary); cursor: pointer; }
.brk-hint { font-family: var(--font-mono); font-size: 0.75rem; color: var(--color-text-muted); font-style: italic; }
.brk-hint--block { display: block; margin-top: 6px; line-height: 1.5; font-style: normal; }

/* ── Action buttons ── */
.brk-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-md); }
.brk-actions .btn { flex: 1 1 auto; }
.brk-start.is-playing { background: #ff4488; border-color: #ff4488; color: #0a0a0a; }

/* ── Progress bar ── */
.brk-progress {
  position: relative; height: 26px; background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-full); overflow: hidden; margin-bottom: var(--space-md);
}
.brk-progress__fill {
  height: 100%; width: 0%; background: linear-gradient(90deg, var(--color-primary-dim), var(--color-primary));
  box-shadow: 0 0 12px color-mix(in srgb, var(--color-primary) 40%, transparent);
  transition: width 0.6s linear;
}
.brk-progress__label {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--color-text-bright); text-shadow: 0 0 4px #000;
}

/* ── Readout cells ── */
.brk-cells { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
.brk-cell {
  background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md); text-align: center;
}
.brk-cell__label { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }
.brk-cell__val { display: block; font-family: var(--font-display); font-size: 1.25rem; color: var(--color-secondary); line-height: 1.2; margin-top: 4px; font-variant-numeric: tabular-nums; }

/* ── Safe-volume note ── */
.brk-safe {
  margin-top: var(--space-md); padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(255, 180, 60, 0.35); border-left: 4px solid #ffb43c; border-radius: var(--radius-sm);
  background: rgba(255, 180, 60, 0.06); color: #ffd9a0; font-size: 0.82rem; line-height: 1.55;
}
.brk-safe strong { color: #ffe6bf; }

/* ── Status line ── */
.brk-status {
  margin-top: var(--space-lg); background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono); font-size: 0.82rem; color: var(--color-text-muted); line-height: 1.55;
}

/* ── Shared content / FAQ / related (site convention, copied per-tool) ── */
.content-section { max-width: 800px; margin: 0 auto var(--space-lg); color: var(--color-text); line-height: 1.7; }
.content-section p { margin-bottom: var(--space-sm); }

.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--color-border); border-radius: var(--radius-md); margin-bottom: var(--space-sm); overflow: hidden; }
.faq-question {
  padding: var(--space-md); cursor: pointer; font-weight: 600; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-md);
  color: var(--color-text-bright);
}
.faq-question::-webkit-details-marker { display: none; }
.faq-question::after { content: '+'; color: var(--color-primary); font-size: 1.3em; font-weight: 700; }
details[open] .faq-question::after { content: '\2212'; }
.faq-answer { padding: var(--space-sm) var(--space-md) var(--space-md); color: var(--color-text-muted); line-height: 1.75; border-top: 1px solid var(--color-border); }

.related-tools-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); max-width: 760px; margin: 0 auto; }
.related-tool-card {
  display: block; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-md); text-decoration: none; transition: border-color 0.2s, transform 0.2s; text-align: left;
}
.related-tool-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.related-tool-card__title { font-family: var(--font-display); font-size: 0.875rem; color: var(--color-primary); margin-bottom: var(--space-xs); }
.related-tool-card__desc { font-size: 0.78rem; color: var(--color-text-muted); line-height: 1.5; }

@media (max-width: 540px) {
  .related-tools-grid { grid-template-columns: 1fr; }
  .brk-cells { grid-template-columns: 1fr; }
  .brk-presets { grid-template-columns: repeat(2, 1fr); }
}