/* Hardware-Tester.com - Microphone Tester
   Loaded AFTER /css/styles.css and /css/keyboard-tester.css (shared breadcrumb,
   .kt panel, .kt-stat, .kt-controls, .kt-section, FAQ and link-grid styles). */

.mt {
  --mt-ok: #34d399;
  --mt-warn: #fbbf24;
  --mt-bad: #f87171;
  --mt-info: #60a5fa;
}

.mt-hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.1rem 1.4rem;
  align-items: center;
  margin-bottom: 1.1rem;
}

.mt-mic-icon {
  width: 5.25rem;
  height: 5.25rem;
  padding: 1rem;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--border-strong);
  border-radius: 1.25rem;
}

.mt-mic-icon.is-live {
  color: var(--mt-ok);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, 0.16);
}

.mt-hero-copy h2 {
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.mt-hero-copy p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.mt-permission {
  margin: 0 0 1rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.95rem;
}

.mt-permission strong {
  color: var(--text);
}

.mt-select-wrap {
  margin: 0 0 0.9rem;
}

.mt-select-wrap label {
  display: block;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}

.mt-select-wrap select {
  width: min(100%, 28rem);
  min-height: 2.6rem;
  padding: 0.45rem 0.7rem;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 0.7rem;
}

.mt-select-wrap select:disabled {
  opacity: 0.7;
}

.mt-error {
  margin: 0 0 0.9rem;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(248, 113, 113, 0.45);
  border-left: 3px solid var(--mt-bad);
  border-radius: var(--radius);
  background: rgba(248, 113, 113, 0.08);
  color: var(--text);
}

.mt-error[hidden],
.mt-idle-note[hidden] {
  display: none;
}

.mt-error h3 {
  margin: 0 0 0.35rem;
  font-size: 1rem;
}

.mt-error p,
.mt-error ol {
  margin: 0;
  color: var(--text-muted);
}

.mt-error ol {
  padding-left: 1.2rem;
  margin-top: 0.45rem;
}

.mt-viz {
  display: grid;
  gap: 0.85rem;
  margin: 1rem 0 0;
}

.mt-wave {
  position: relative;
  min-height: 9.5rem;
  background: #0d141c;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.mt-wave canvas {
  display: block;
  width: 100%;
  height: 9.5rem;
}

.mt-wave-idle {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  text-align: center;
  color: var(--text-muted);
  background: #0d141c;
  pointer-events: none;
}

.mt-wave.is-live .mt-wave-idle {
  display: none;
}

.mt-meter-block h3,
.mt-record h3,
.mt-player-wrap h3 {
  margin: 0 0 0.55rem;
  font-size: 1.02rem;
}

.mt-meter {
  display: grid;
  gap: 0.45rem;
}

.mt-meter-track {
  position: relative;
  height: 1.35rem;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
}

.mt-meter-fill {
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, #2563eb, var(--accent), var(--mt-ok));
  transform-origin: left center;
}

.mt-meter-peak {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #fff;
  opacity: 0.75;
  left: 0;
  transform: translateX(-1px);
}

.mt-meter-readout {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  font-variant-numeric: tabular-nums;
}

.mt-level-status {
  margin: 0;
  font-weight: 700;
}

.mt-level-status[data-state="idle"] { color: var(--text-muted); }
.mt-level-status[data-state="none"] { color: var(--text-muted); }
.mt-level-status[data-state="low"] { color: var(--mt-warn); }
.mt-level-status[data-state="good"] { color: var(--mt-ok); }
.mt-level-status[data-state="hot"] { color: var(--mt-bad); }

.mt-db {
  margin: 0;
  color: var(--text);
  font-weight: 700;
}

.mt-note {
  margin: 0.55rem 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.mt-record {
  margin-top: 1.15rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--border);
}

.mt-duration {
  margin: 0.45rem 0 0;
  font-variant-numeric: tabular-nums;
  color: var(--text-muted);
}

.mt-player-wrap {
  margin-top: 0.9rem;
}

.mt-player-wrap audio {
  width: 100%;
  margin-top: 0.35rem;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.mt .kt-stat-value {
  font-size: 1.35rem;
}

@media (max-width: 640px) {
  .mt-hero {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .mt-select-wrap select {
    width: 100%;
  }

  .mt .kt-controls .btn {
    flex: 1 1 calc(50% - 0.6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .mt-meter-fill {
    transition: none;
  }
}