/* ============================================================
   Frequency Clipping Detector — Styles
   FrequencyDetector.com
   ============================================================ */

/* Clip Count Display */
.clip-count-wrap {
  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);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.clip-count-wrap.flash {
  border-color: #ff3333;
  box-shadow: 0 0 30px rgba(255, 51, 51, 0.4), inset 0 0 20px rgba(255, 51, 51, 0.08);
}

.clip-count__value {
  font-family: var(--font-display);
  font-size: clamp(4rem, 12vw, 8rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px rgba(0, 255, 65, 0.4);
  transition: color 0.15s, text-shadow 0.15s;
}

.clip-count-wrap.flash .clip-count__value {
  color: #ff3333;
  text-shadow: 0 0 20px rgba(255, 51, 51, 0.6);
}

.clip-count__label {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3em;
  margin-top: var(--space-xs);
}

/* Severity Meter */
.severity-meter {
  margin-top: var(--space-xs);
}

.severity-meter__track {
  position: relative;
  height: 20px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: linear-gradient(to right,
    #1a3a1a 0%,
    #1a3a1a 25%,
    #3a3a1a 25%,
    #3a3a1a 50%,
    #3a2a1a 50%,
    #3a2a1a 75%,
    #3a1a1a 75%,
    #3a1a1a 100%
  );
  border: 1px solid var(--color-border);
}

.severity-meter__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  border-radius: var(--radius-sm);
  transition: width 0.3s ease, background 0.3s ease;
  background: var(--color-primary);
}

.severity-meter__fill[data-severity="none"] {
  width: 0%;
  background: transparent;
}

.severity-meter__fill[data-severity="mild"] {
  width: 25%;
  background: linear-gradient(to right, #00ff41, #88ff00);
}

.severity-meter__fill[data-severity="moderate"] {
  width: 62%;
  background: linear-gradient(to right, #00ff41, #ffaa00, #ff6600);
}

.severity-meter__fill[data-severity="severe"] {
  width: 100%;
  background: linear-gradient(to right, #00ff41, #ffaa00, #ff6600, #ff3333);
}

.severity-meter__labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: 4px;
  padding: 0 2px;
}

.severity-meter__text {
  text-align: center;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.severity-meter__text[data-severity="none"] {
  color: var(--color-primary);
}

.severity-meter__text[data-severity="mild"] {
  color: #88ff00;
}

.severity-meter__text[data-severity="moderate"] {
  color: #ff6600;
}

.severity-meter__text[data-severity="severe"] {
  color: #ff3333;
}

/* Headroom Display */
.headroom-display {
  text-align: center;
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: rgba(0, 255, 65, 0.02);
  transition: border-color 0.3s;
}

.headroom-display__value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
  transition: color 0.3s, text-shadow 0.3s;
}

.headroom-display__value.safe {
  color: var(--color-primary);
  text-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

.headroom-display__value.warning {
  color: #ffaa00;
  text-shadow: 0 0 15px rgba(255, 170, 0, 0.3);
}

.headroom-display__value.danger {
  color: #ff6600;
  text-shadow: 0 0 15px rgba(255, 102, 0, 0.3);
}

.headroom-display__value.clipping {
  color: #ff3333;
  text-shadow: 0 0 15px rgba(255, 51, 51, 0.4);
}

.headroom-display__unit {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* Peak Meter */
.peak-meter {
  margin-top: var(--space-xs);
}

.peak-meter__bar {
  position: relative;
  height: 24px;
  border-radius: var(--radius-sm);
  background: linear-gradient(to right,
    #0a2a0a 0%,
    #0a2a0a 70%,
    #2a2a0a 70%,
    #2a2a0a 85%,
    #2a0a0a 85%,
    #2a0a0a 100%
  );
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.peak-meter__fill {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0%;
  background: linear-gradient(to right,
    #00ff41 0%,
    #00ff41 70%,
    #ffaa00 85%,
    #ff3333 100%
  );
  transition: width 0.05s linear;
  border-radius: var(--radius-sm);
}

.peak-meter__hold {
  position: absolute;
  top: 0;
  width: 3px;
  height: 100%;
  background: #ffffff;
  opacity: 0.9;
  left: 0%;
  transition: left 0.05s linear;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.5);
}

.peak-meter__clip-indicator {
  position: absolute;
  top: 0;
  right: 0;
  width: 12px;
  height: 100%;
  background: #3a1a1a;
  border-left: 1px solid var(--color-border);
  transition: background 0.1s;
}

.peak-meter__clip-indicator.active {
  background: #ff3333;
  box-shadow: 0 0 10px rgba(255, 51, 51, 0.6);
}

.peak-meter__labels {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-text-muted);
  margin-top: 3px;
  padding: 0 2px;
}

.peak-meter__db {
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Waveform Clip Highlights — handled via canvas, but wrap styling */
.viz-canvas-wrap canvas {
  width: 100%;
  height: 150px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: #0a0a0a;
}

/* Clip Event Log */
.history-wrap {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
}

.history-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.history-table th {
  background: rgba(0, 255, 65, 0.08);
  color: var(--color-text-muted);
  font-weight: 600;
  text-align: left;
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.history-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--color-text);
}

.history-table tr:hover td {
  background: rgba(0, 255, 65, 0.03);
}

.history-table td.clip-type--sustained {
  color: #ff3333;
  font-weight: 600;
}

.history-table td.clip-type--transient {
  color: #ffaa00;
}

/* Export Actions */
.export-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
  flex-wrap: wrap;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.stat-box {
  text-align: center;
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 65, 0.02);
}

.stat-box__label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.stat-box__value {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-primary);
}

/* Result box */
.result-box {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-text);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 65, 0.02);
  text-align: center;
}

.result-box--large {
  font-size: var(--fs-md);
  padding: var(--space-md);
}

/* Keyboard hints */
.kbd-hints {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  flex-wrap: wrap;
}

.kbd-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--color-border);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  margin-right: 4px;
}

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

.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__link {
  color: var(--color-primary);
  cursor: pointer;
  text-decoration: underline;
}

.file-upload-zone__hint {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* File info bar */
.file-info {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 255, 65, 0.03);
  margin-bottom: var(--space-sm);
  flex-wrap: wrap;
}

/* Progress bar */
.progress-bar-wrap {
  margin-bottom: var(--space-sm);
}

.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 0.2s;
}

/* Responsive */
@media (max-width: 768px) {
  .stats-row {
    grid-template-columns: 1fr;
  }

  .severity-meter__labels {
    font-size: 9px;
  }

  .clip-count__value {
    font-size: clamp(3rem, 10vw, 5rem);
  }

  .headroom-display__value {
    font-size: clamp(2rem, 8vw, 3.5rem);
  }
}