/* ============================================================
   Infrasound Frequency Detector — Styles
   Sub-20 Hz specialized display with slow waveform, source
   identification, device warning, and perception indicator.
   ============================================================ */

/* Infrasound Gauge */
.infrasound-gauge {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(0, 255, 65, 0.02);
  position: relative;
  overflow: hidden;
}

.infrasound-gauge::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(0, 255, 65, 0.03) 0%, transparent 70%);
  pointer-events: none;
}

.infrasound-gauge__value {
  font-family: var(--font-display);
  font-size: clamp(4rem, 14vw, 9rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  text-shadow: 0 0 30px rgba(0, 255, 65, 0.4);
  position: relative;
}

.infrasound-gauge__unit {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  letter-spacing: 0.3em;
}

.infrasound-gauge__level {
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  color: var(--color-secondary);
  margin-top: var(--space-xs);
}

/* Source Identification Card */
.source-id-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-surface);
  transition: border-color 0.3s, background 0.3s;
}

.source-id-card--match {
  border-color: var(--color-primary);
  background: rgba(0, 255, 65, 0.05);
}

.source-id-card__icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.source-id-card__title {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 4px;
  font-size: var(--fs-md);
}

.source-id-card__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Device Compatibility Warning */
.device-warning {
  border: 1px solid rgba(255, 100, 0, 0.4);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 100, 0, 0.05);
  font-size: var(--fs-sm);
  color: var(--color-warning, #ffaa00);
  margin-bottom: var(--space-sm);
  line-height: 1.6;
}

/* Compatibility Panel */
.compat-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-surface);
}

.compat-panel__status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--fs-sm);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.compat-panel__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.compat-panel__dot--unknown { background: #666; }
.compat-panel__dot--good { background: var(--color-primary); box-shadow: 0 0 6px rgba(0, 255, 65, 0.5); }
.compat-panel__dot--poor { background: #ff4444; box-shadow: 0 0 6px rgba(255, 68, 68, 0.5); }
.compat-panel__dot--limited { background: #ffaa00; box-shadow: 0 0 6px rgba(255, 170, 0, 0.5); }

.compat-panel__detail {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* Perception Info */
.perception-info {
  border: 1px solid rgba(138, 43, 226, 0.3);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: rgba(138, 43, 226, 0.05);
  margin-top: var(--space-sm);
}

.perception-info__label {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: #bb77ff;
  margin-bottom: var(--space-xs);
}

.perception-info__desc {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Canvas Wrappers */
.viz-canvas-wrap {
  position: relative;
  width: 100%;
  height: 140px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-bg);
}

.viz-canvas-wrap--tall { height: 200px; }

.viz-canvas-wrap--wide {
  height: 160px;
}

.viz-canvas-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* Freeze Badge */
.freeze-badge {
  display: inline-block;
  background: #00bcd4;
  color: #000;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 700;
  padding: 2px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 0.1em;
  animation: freezePulse 1.5s ease-in-out infinite;
  position: absolute;
  top: var(--space-sm);
  right: var(--space-sm);
}

@keyframes freezePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* File Upload Zone */
.file-upload-zone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  background: var(--color-surface);
}

.file-upload-zone:hover,
.file-upload-zone--dragover {
  border-color: var(--color-primary);
  background: rgba(0, 255, 65, 0.03);
}

.file-upload-zone__icon {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.file-upload-zone__text {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.file-upload-zone__hint {
  font-size: var(--fs-xs);
  color: rgba(255, 255, 255, 0.3);
}

.file-upload-zone__progress {
  margin-top: var(--space-sm);
}

/* Progress Bar */
.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-bar__fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
}

/* File Result */
#file-result {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-surface);
  margin-top: var(--space-sm);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

#file-result h4 {
  color: var(--color-primary);
  margin: 0 0 var(--space-xs);
  font-size: var(--fs-md);
}

#file-result .file-result__row {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#file-result .file-result__label {
  color: var(--color-text-muted);
}

#file-result .file-result__value {
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-weight: 600;
}

/* Schumann Resonance Card */
.schumann-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--color-surface);
  margin-top: var(--space-sm);
  transition: border-color 0.4s, background 0.4s, box-shadow 0.4s;
}

.schumann-card--active {
  border-color: rgba(138, 43, 226, 0.7);
  background: rgba(138, 43, 226, 0.08);
  box-shadow: 0 0 20px rgba(138, 43, 226, 0.2);
}

.schumann-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.schumann-card__icon {
  font-size: 1.5rem;
}

.schumann-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  color: #bb77ff;
}

.schumann-card--active .schumann-card__title {
  text-shadow: 0 0 10px rgba(138, 43, 226, 0.5);
}

.schumann-card__body {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.schumann-card__reading {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.schumann-card__label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.schumann-card__value {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: #bb77ff;
}

.schumann-card--active .schumann-card__value {
  color: #dd99ff;
  text-shadow: 0 0 8px rgba(138, 43, 226, 0.5);
}

.schumann-card__info {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  border-top: 1px solid rgba(138, 43, 226, 0.15);
  padding-top: var(--space-xs);
}

@media (max-width: 768px) {
  .infrasound-gauge__value { font-size: 4rem; }
  .source-id-card { flex-direction: column; align-items: center; text-align: center; }
  .viz-canvas-wrap--wide { height: 120px; }
  .schumann-card__body { flex-direction: column; gap: var(--space-xs); }
}