/* ============================================================
   MASTERFORGE PRO MASTER — Premium CSS v1.0
   Design: Luxury DAW — dark base, gold/amber accents, subtle glow
   Target: "Looks like a €799 application"
   ============================================================ */

/* --- Design Tokens --- */
:root {
  /* Base */
  --pm-bg-deep:       #07080c;
  --pm-bg-primary:    #0c0e14;
  --pm-bg-panel:      #10131b;
  --pm-bg-surface:    #161a25;
  --pm-bg-elevated:   #1c2030;
  --pm-bg-input:      #0e1018;

  /* Gold system */
  --pm-gold:          #c9a84c;
  --pm-gold-bright:   #e8c868;
  --pm-gold-dim:      #8a7535;
  --pm-gold-glow:     rgba(201, 168, 76, 0.12);
  --pm-gold-border:   rgba(201, 168, 76, 0.25);
  --pm-gold-border-h: rgba(201, 168, 76, 0.45);

  /* Signal / status */
  --pm-green:         #3ecf72;
  --pm-green-glow:    rgba(62, 207, 114, 0.10);
  --pm-red:           #e84057;
  --pm-yellow:        #f0c040;
  --pm-cyan:          #40c8e8;
  --pm-orange:        #e8943a;

  /* Text */
  --pm-text-primary:  #e8e4dc;
  --pm-text-secondary:#8a8990;
  --pm-text-dim:      #55545a;
  --pm-text-gold:     #c9a84c;

  /* Borders */
  --pm-border:        rgba(255, 255, 255, 0.06);
  --pm-border-panel:  rgba(201, 168, 76, 0.15);

  /* Shadows */
  --pm-shadow-panel:  0 2px 20px rgba(0,0,0,0.5), 0 0 40px rgba(201,168,76,0.03);
  --pm-shadow-glow:   0 0 20px rgba(201,168,76,0.08), 0 0 60px rgba(201,168,76,0.04);
  --pm-shadow-green:  0 0 20px rgba(62,207,114,0.06), 0 0 60px rgba(62,207,114,0.03);

  /* Radii */
  --pm-radius-sm:     4px;
  --pm-radius-md:     8px;
  --pm-radius-lg:     12px;
  --pm-radius-xl:     16px;

  /* Spacing */
  --pm-gap-xs:        6px;
  --pm-gap-sm:        12px;
  --pm-gap-md:        20px;
  --pm-gap-lg:        28px;
  --pm-gap-xl:        40px;

  /* Timing */
  --pm-ease:          cubic-bezier(0.4, 0, 0.2, 1);
  --pm-transition:    150ms var(--pm-ease);
}

/* --- Reset & Base --- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html {
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Responsive scaling - key breakpoints */
@media (max-width: 1600px) { html { font-size: 15px; } }
@media (max-width: 1280px) { html { font-size: 14px; } }
@media (max-width: 1024px) { html { font-size: 13px; } }

/* 1440p (2560×1440) — Pete's primary resolution */
@media (min-width: 2400px) {
  html { font-size: 19px; }
  :root {
    --pm-gap-xs: 6px;
    --pm-gap-sm: 12px;
    --pm-gap-md: 20px;
    --pm-gap-lg: 28px;
    --pm-gap-xl: 40px;
  }
}
@media (min-width: 3200px) { html { font-size: 24px; } }
@media (min-width: 3840px) { html { font-size: 28px; } }

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  background: var(--pm-bg-deep);
  color: var(--pm-text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Atmospheric background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% 120%, rgba(201,168,76,0.06) 0%, transparent 70%),
    radial-gradient(circle at 15% 80%, rgba(62,207,114,0.03) 0%, transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(201,168,76,0.02) 0%, transparent 35%);
  pointer-events: none;
  z-index: 0;
}

/* --- Typography --- */
.pm-font-mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; }
.pm-font-display { font-family: 'DM Sans', system-ui, sans-serif; font-weight: 700; }

/* --- App Shell --- */
.pm-app {
  position: relative;
  z-index: 1;
  max-width: 1600px;
  margin: 0 auto;
  padding: var(--pm-gap-md);
  display: flex;
  flex-direction: column;
  gap: var(--pm-gap-md);
  min-height: 100vh;
}

/* --- Header --- */
.pm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pm-gap-sm) var(--pm-gap-md);
  background: var(--pm-bg-panel);
  border: 1px solid var(--pm-border-panel);
  border-radius: var(--pm-radius-lg);
  box-shadow: var(--pm-shadow-panel);
}

.pm-logo {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-sm);
}

.pm-logo-icon {
  width: 2.2rem;
  height: 2.2rem;
  background: linear-gradient(135deg, var(--pm-gold), var(--pm-gold-bright));
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.9rem;
  color: var(--pm-bg-deep);
  letter-spacing: -0.5px;
}

.pm-logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--pm-text-primary);
  letter-spacing: 0.02em;
}

.pm-logo-text span {
  color: var(--pm-gold);
  font-weight: 400;
}

.pm-header-controls {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-md);
}

.pm-quality-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid var(--pm-border-panel);
  background: var(--pm-bg-surface);
}

.pm-quality-badge.lite { color: var(--pm-green); border-color: rgba(62,207,114,0.3); }
.pm-quality-badge.normal { color: var(--pm-gold); border-color: var(--pm-gold-border); }
.pm-quality-badge.hq { color: var(--pm-red); border-color: rgba(232,64,87,0.3); }

/* --- Panel (universal container) — gilded edges --- */
.pm-panel {
  position: relative;
  background: var(--pm-bg-panel);
  border: 1px solid transparent;
  border-radius: var(--pm-radius-lg);
  box-shadow:
    var(--pm-shadow-panel),
    inset 0 1px 0 rgba(201,168,76,0.10),
    inset 0 -1px 0 rgba(201,168,76,0.05);
  overflow: hidden;
}

/* Gilded border — gradient stroke effect */
.pm-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(
    160deg,
    rgba(232,200,104,0.35) 0%,
    rgba(201,168,76,0.18) 20%,
    rgba(201,168,76,0.08) 40%,
    rgba(201,168,76,0.04) 60%,
    rgba(201,168,76,0.12) 80%,
    rgba(232,200,104,0.25) 100%
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 2;
}

/* Inner ambient glow */
.pm-panel::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    radial-gradient(ellipse 80% 30% at 50% 0%, rgba(201,168,76,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 60% 20% at 50% 100%, rgba(201,168,76,0.03) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.pm-panel > * { position: relative; z-index: 1; }

.pm-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pm-gap-sm) var(--pm-gap-md);
  border-bottom: 1px solid var(--pm-border);
}

.pm-panel-title {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pm-gold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-panel-body {
  padding: var(--pm-gap-md);
}

/* --- Bypass Button --- */
.pm-bypass-btn {
  width: 2.0rem;
  height: 2.0rem;
  border-radius: 50%;
  border: 1.5px solid var(--pm-border-panel);
  background: var(--pm-bg-surface);
  color: var(--pm-text-dim);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--pm-transition);
}

.pm-bypass-btn.active {
  border-color: var(--pm-green);
  color: var(--pm-green);
  background: rgba(62,207,114,0.1);
  box-shadow: 0 0 12px rgba(62,207,114,0.15);
}

.pm-bypass-btn:hover { border-color: var(--pm-gold-border-h); }

/* --- Precision Control (Slider + Step Buttons) --- */
.pm-control {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 4px;
}

.pm-control-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.90rem;
  color: var(--pm-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.pm-control-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.00rem;
  color: var(--pm-gold-bright);
  font-weight: 500;
  min-width: 4rem;
  text-align: right;
}

.pm-control-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pm-control-row .pm-slider {
  min-width: 0;
}

/* Step buttons (- / +) */
.pm-step-btn {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: var(--pm-radius-sm);
  border: 1px solid var(--pm-border-panel);
  background: var(--pm-bg-surface);
  color: var(--pm-text-secondary);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--pm-transition);
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
  font-family: 'JetBrains Mono', monospace;
}

.pm-step-btn:hover {
  border-color: var(--pm-gold-border-h);
  color: var(--pm-gold);
  background: var(--pm-bg-elevated);
}

.pm-step-btn:active {
  transform: scale(0.92);
  background: rgba(201,168,76,0.1);
}

/* Slider */
.pm-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 0.5rem;
  border-radius: 0.25rem;
  background: var(--pm-bg-input);
  border: 1px solid var(--pm-border);
  outline: none;
  cursor: pointer;
}

.pm-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pm-gold-bright), var(--pm-gold));
  border: 2px solid var(--pm-bg-deep);
  box-shadow: 0 0 8px rgba(201,168,76,0.3);
  cursor: pointer;
  transition: box-shadow var(--pm-transition);
}

.pm-slider::-webkit-slider-thumb:hover {
  box-shadow: 0 0 16px rgba(201,168,76,0.5);
  transform: scale(1.1);
}

.pm-slider::-moz-range-thumb {
  width: 1.3rem;
  height: 1.3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--pm-gold-bright), var(--pm-gold));
  border: 2px solid var(--pm-bg-deep);
  box-shadow: 0 0 8px rgba(201,168,76,0.3);
  cursor: pointer;
}

/* Filled slider track */
.pm-slider.has-fill {
  background: linear-gradient(
    to right,
    var(--pm-gold-dim) 0%,
    var(--pm-gold-dim) var(--fill, 50%),
    var(--pm-bg-input) var(--fill, 50%)
  );
}

/* --- EQ Display Area --- */
.pm-eq-area {
  padding: 0;
}

.pm-eq-canvas-wrap {
  position: relative;
  width: 100%;
  height: 320px;
  background: var(--pm-bg-deep);
  border-bottom: 1px solid var(--pm-border);
}

.pm-eq-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* pm-eq-controls moved to bottom of file */

.pm-eq-mode-select {
  font-family: 'DM Sans', sans-serif;
  font-size: 1.00rem;
  font-weight: 600;
  background: var(--pm-bg-surface);
  border: 1px solid var(--pm-border-panel);
  border-radius: var(--pm-radius-sm);
  color: var(--pm-text-primary);
  padding: 4px 10px;
  cursor: pointer;
  outline: none;
}

.pm-eq-mode-select:focus {
  border-color: var(--pm-gold);
}

.pm-eq-mode-select:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* --- Meters --- */
.pm-meter-area {
  display: flex;
  flex-direction: column;
  gap: var(--pm-gap-sm);
}

.pm-meter-bar-wrap {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-sm);
  font-size: 0.90rem;
}

.pm-meter-label {
  width: 1.3rem;
  text-align: right;
  color: var(--pm-text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
}

.pm-meter-bar {
  flex: 1;
  height: 0.6rem;
  border-radius: 0.3rem;
  background: var(--pm-bg-input);
  border: 1px solid var(--pm-border);
  overflow: hidden;
  position: relative;
}

.pm-meter-fill {
  height: 100%;
  border-radius: 0.25rem;
  transition: width 60ms linear;
  background: linear-gradient(90deg, var(--pm-green), var(--pm-yellow) 70%, var(--pm-red) 95%);
}

.pm-meter-value {
  width: 4rem;
  text-align: right;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.90rem;
  color: var(--pm-text-secondary);
}

.pm-meter-lufs-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--pm-text-primary);
  text-align: center;
  padding: var(--pm-gap-sm) 0;
}

.pm-meter-lufs-value .unit {
  font-size: 1.0rem;
  color: var(--pm-text-dim);
  margin-left: 6px;
}

.pm-lufs-type-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.75rem;
  color: var(--pm-text-dim);
  text-align: center;
  margin-top: -4px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.pm-lufs-secondary {
  display: flex;
  justify-content: center;
  gap: var(--pm-gap-lg);
  margin-top: var(--pm-gap-sm);
  padding-top: var(--pm-gap-sm);
  border-top: 1px solid var(--pm-border);
}

.pm-lufs-sec-item {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.pm-lufs-sec-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--pm-text-dim);
  text-transform: uppercase;
}

.pm-lufs-sec-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.0rem;
  color: var(--pm-text-secondary);
}

/* --- Analysis Panel --- */
.pm-analysis-panel {
  max-height: 300px;
  overflow-y: auto;
}

.pm-analysis-loading {
  color: var(--pm-text-dim);
  font-size: 0.85rem;
  text-align: center;
  padding: var(--pm-gap-sm);
}

.pm-analysis-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 4px 0;
  font-size: 0.8rem;
  line-height: 1.4;
  border-bottom: 1px solid var(--pm-border);
}

.pm-analysis-item:last-child {
  border-bottom: none;
}

.pm-analysis-badge {
  flex-shrink: 0;
  font-size: 0.65rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
  margin-top: 1px;
}

.pm-analysis-badge.error {
  background: var(--pm-red);
  color: #fff;
}

.pm-analysis-badge.warning {
  background: var(--pm-yellow);
  color: #000;
}

.pm-analysis-badge.info {
  background: var(--pm-cyan);
  color: #000;
}

.pm-analysis-badge.success {
  background: var(--pm-green);
  color: #000;
}

.pm-analysis-message {
  color: var(--pm-text-secondary);
}

.pm-analysis-suggestions {
  margin-top: var(--pm-gap-sm);
  padding-top: var(--pm-gap-sm);
  border-top: 1px solid var(--pm-border);
}

.pm-analysis-suggestion {
  font-size: 0.75rem;
  color: var(--pm-gold-base);
  padding: 3px 0;
  padding-left: 12px;
  position: relative;
}

.pm-analysis-suggestion::before {
  content: '→';
  position: absolute;
  left: 0;
}

.pm-analysis-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px 12px;
  margin-top: var(--pm-gap-sm);
  padding-top: var(--pm-gap-sm);
  border-top: 1px solid var(--pm-border);
  font-size: 0.7rem;
}

.pm-analysis-metric {
  display: flex;
  justify-content: space-between;
  padding: 1px 0;
}

.pm-analysis-metric-label {
  color: var(--pm-text-dim);
}

.pm-analysis-metric-value {
  color: var(--pm-text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

/* --- Transport Bar --- */
.pm-transport {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-md);
  padding: var(--pm-gap-sm) var(--pm-gap-md);
}

.pm-transport-btn {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  border: 1.5px solid var(--pm-border-panel);
  background: var(--pm-bg-surface);
  color: var(--pm-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--pm-transition);
  font-size: 1.2rem;
}

.pm-transport-btn:hover {
  border-color: var(--pm-gold-border-h);
  color: var(--pm-gold);
}

.pm-transport-btn.playing {
  border-color: var(--pm-green);
  color: var(--pm-green);
  background: rgba(62,207,114,0.08);
  box-shadow: 0 0 16px rgba(62,207,114,0.12);
}

.pm-transport-btn.pm-play-btn {
  width: 3.2rem;
  height: 3.2rem;
  font-size: 1.5rem;
  border-width: 2px;
}

/* Waveform / seek bar */
.pm-waveform-wrap {
  flex: 1;
  height: 3.2rem;
  background: var(--pm-bg-input);
  border-radius: var(--pm-radius-md);
  border: 1px solid var(--pm-border);
  position: relative;
  cursor: pointer;
  overflow: hidden;
}

.pm-waveform-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.pm-waveform-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--pm-gold);
  box-shadow: 0 0 8px rgba(201,168,76,0.5);
  pointer-events: none;
  transition: left 50ms linear;
}

.pm-waveform-played {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  background: rgba(201,168,76,0.06);
  pointer-events: none;
}

.pm-transport-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.0rem;
  color: var(--pm-text-secondary);
  white-space: nowrap;
  min-width: 6rem;
  text-align: center;
}

/* --- A/B Toggle --- */
.pm-ab-toggle {
  display: flex;
  border-radius: var(--pm-radius-sm);
  overflow: hidden;
  border: 1px solid var(--pm-border-panel);
}

.pm-ab-btn {
  padding: 0.5rem 1.0rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  background: var(--pm-bg-surface);
  color: var(--pm-text-dim);
  border: none;
  cursor: pointer;
  transition: all var(--pm-transition);
}

.pm-ab-btn.active {
  background: var(--pm-gold);
  color: var(--pm-bg-deep);
}

.pm-ab-btn:not(.active):hover {
  color: var(--pm-text-primary);
  background: var(--pm-bg-elevated);
}

/* --- DSP Module Strip (bottom row) --- */
.pm-dsp-strip {
  display: flex;
  flex-direction: column;
  gap: var(--pm-gap-sm);
}

.pm-dsp-row {
  display: flex;
  gap: var(--pm-gap-sm);
}

.pm-dsp-row > .pm-panel {
  min-width: 140px;
}

/* Row 1: Input → ToneMap → Compressor → Stereo */
.pm-dsp-row-1 > .pm-panel:nth-child(1) { flex: 0.7; }  /* Input — compact */
.pm-dsp-row-1 > .pm-panel:nth-child(2) { flex: 1.3; }  /* ToneMap */
.pm-dsp-row-1 > .pm-panel:nth-child(3) { flex: 2.5; }  /* Compressor — widest */
.pm-dsp-row-1 > .pm-panel:nth-child(4) { flex: 2;   }  /* Stereo + M/S EQ */

/* Row 2: Saturation → Transient → Sub-Bass → Exciter → Limiter/Output */
.pm-dsp-row-2 > .pm-panel:nth-child(1) { flex: 1.3; }  /* Saturation */
.pm-dsp-row-2 > .pm-panel:nth-child(2) { flex: 1;   }  /* Transient Shaper */
.pm-dsp-row-2 > .pm-panel:nth-child(3) { flex: 1;   }  /* Sub-Bass */
.pm-dsp-row-2 > .pm-panel:nth-child(4) { flex: 1;   }  /* Harmonic Exciter */
.pm-dsp-row-2 > .pm-panel:nth-child(5) { flex: 1.3; }  /* Limiter/Output */

/* Row 3: AI Tools (Phase 4.1) */
.pm-dsp-row-3 > .pm-panel:nth-child(1) { flex: 1;   }  /* De-Esser */
.pm-dsp-row-3 > .pm-panel:nth-child(2) { flex: 1.5; }  /* AI Artifact Suppressor */
.pm-dsp-row-3 > .pm-panel:nth-child(3) { flex: 1;   }  /* Vocal Clarity */

.pm-dsp-strip .pm-panel-body {
  display: flex;
  flex-direction: column;
  gap: var(--pm-gap-sm);
}

/* --- Main Layout --- */
.pm-main-grid {
  display: grid;
  grid-template-columns: 1fr 16rem;
  gap: var(--pm-gap-md);
  flex: 1;
}

.pm-main-left {
  display: flex;
  flex-direction: column;
  gap: var(--pm-gap-md);
}

.pm-main-right {
  display: flex;
  flex-direction: column;
  gap: var(--pm-gap-md);
}

/* --- File Drop Zone --- */
.pm-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--pm-gap-md);
  padding: var(--pm-gap-xl);
  border: 2px dashed var(--pm-border-panel);
  border-radius: var(--pm-radius-lg);
  background: var(--pm-bg-panel);
  cursor: pointer;
  transition: all 0.3s var(--pm-ease);
  text-align: center;
  min-height: 200px;
}

.pm-dropzone:hover,
.pm-dropzone.dragover {
  border-color: var(--pm-gold);
  background: rgba(201,168,76,0.03);
  box-shadow: var(--pm-shadow-glow);
}

.pm-dropzone-icon {
  font-size: 3rem;
  opacity: 0.4;
}

.pm-dropzone-text {
  font-size: 1rem;
  color: var(--pm-text-secondary);
}

.pm-dropzone-text strong {
  color: var(--pm-gold);
}

.pm-dropzone-hint {
  font-size: 0.95rem;
  color: var(--pm-text-dim);
}

/* Hidden when audio loaded */
.pm-app.has-audio .pm-dropzone { display: none; }
.pm-app:not(.has-audio) .pm-workspace { display: none; }

/* --- Spectrum Analyzer --- */
.pm-spectrum-wrap {
  height: 80px;
  background: var(--pm-bg-deep);
  border-radius: var(--pm-radius-md);
  overflow: hidden;
}

.pm-spectrum-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--pm-bg-deep); }
::-webkit-scrollbar-thumb { background: var(--pm-gold-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--pm-gold); }

/* --- Animations --- */
@keyframes pm-fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pm-pulse-glow {
  0%, 100% { box-shadow: 0 0 12px rgba(201,168,76,0.08); }
  50% { box-shadow: 0 0 24px rgba(201,168,76,0.15); }
}

.pm-animate-in {
  animation: pm-fadeIn 0.4s var(--pm-ease) both;
}

/* --- Waveform View Panel (v3.14) --- */
.pm-waveform-panel {
  padding: 0;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 120px;
}

.pm-wv-toolbar {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-md);
  padding: 6px var(--pm-gap-md);
  border-bottom: 1px solid var(--pm-border);
  background: var(--pm-bg-surface);
}

.pm-wv-transport {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-sm);
}

.pm-wv-transport .pm-transport-btn {
  width: 2.2rem;
  height: 2.2rem;
  font-size: 1.0rem;
}

.pm-wv-transport .pm-play-btn {
  width: 2.6rem;
  height: 2.6rem;
  font-size: 1.2rem;
  border-width: 2px;
}

.pm-wv-loop-btn {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  border: 1.5px solid var(--pm-border-panel);
  background: var(--pm-bg-surface);
  color: var(--pm-text-dim);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--pm-transition);
  opacity: 0.4;
}

.pm-wv-loop-btn:hover {
  border-color: var(--pm-gold-border-h);
  color: var(--pm-gold);
  opacity: 1;
}

.pm-wv-loop-btn.active {
  border-color: var(--pm-gold);
  color: var(--pm-gold);
  background: rgba(201,168,76,0.1);
  opacity: 1;
}

.pm-wv-time-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
}

.pm-wv-time {
  font-size: 0.88rem;
  color: var(--pm-text-secondary);
  letter-spacing: 0.02em;
}

.pm-wv-zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pm-wv-zoom-btn {
  width: 1.8rem;
  height: 1.8rem;
  border-radius: var(--pm-radius-sm);
  border: 1px solid var(--pm-border);
  background: var(--pm-bg-input);
  color: var(--pm-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0rem;
  font-weight: 600;
  transition: all var(--pm-transition);
}

.pm-wv-zoom-btn:hover {
  border-color: var(--pm-gold-border-h);
  color: var(--pm-gold);
}

.pm-wv-zoom-label {
  font-size: 0.78rem;
  color: var(--pm-text-dim);
  min-width: 2.8rem;
  text-align: center;
}

.pm-wv-canvas-wrap {
  position: relative;
  flex: 1;
  min-height: 80px;
  background: var(--pm-bg-deep);
  cursor: crosshair;
  overflow: hidden;
  user-select: none;
}

.pm-wv-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.pm-wv-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--pm-gold);
  box-shadow: 0 0 10px rgba(201,168,76,0.6);
  pointer-events: none;
  z-index: 3;
}

.pm-wv-loop-region {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(201,168,76,0.12);
  border-left: 2px solid rgba(201,168,76,0.5);
  border-right: 2px solid rgba(201,168,76,0.5);
  pointer-events: none;
  z-index: 2;
}

.pm-wv-scrollbar {
  height: 8px;
  background: var(--pm-bg-deep);
  border-top: 1px solid var(--pm-border);
  position: relative;
}

.pm-wv-scrollbar-thumb {
  position: absolute;
  top: 1px;
  bottom: 1px;
  background: rgba(201,168,76,0.25);
  border-radius: 3px;
  cursor: grab;
  transition: background 0.15s;
}

.pm-wv-scrollbar-thumb:hover {
  background: rgba(201,168,76,0.4);
}

.pm-wv-hint {
  padding: 3px var(--pm-gap-md);
  border-top: 1px solid var(--pm-border);
}

.pm-wv-hint span {
  font-size: 0.72rem;
  color: var(--pm-text-dim);
  opacity: 0.6;
}

/* --- Responsive --- */
@media (max-width: 1200px) {
  .pm-main-grid { grid-template-columns: 1fr; }
  .pm-main-right { flex-direction: row; flex-wrap: wrap; }
  .pm-dsp-row { flex-wrap: wrap; }
  .pm-dsp-row > .pm-panel { min-width: 180px; }
}

@media (max-width: 768px) {
  html { font-size: 13px; }
  .pm-app { padding: var(--pm-gap-sm); }
  .pm-eq-canvas-wrap { height: 220px; }
  .pm-dsp-row { flex-direction: column; }
}

/* --- Utility --- */
.pm-hidden { display: none !important; }
.pm-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* --- Explanation / Help System --- */
.pm-explain-toggle {
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  border: 1px solid rgba(201,168,76,0.25);
  background: rgba(201,168,76,0.06);
  color: var(--pm-gold-dim);
  font-size: 0.75rem;
  font-weight: 700;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--pm-transition);
  vertical-align: middle;
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
}

.pm-explain-toggle:hover {
  border-color: var(--pm-gold);
  color: var(--pm-gold);
  background: rgba(201,168,76,0.12);
  box-shadow: 0 0 8px rgba(201,168,76,0.15);
}

.pm-explain-toggle.open {
  background: rgba(201,168,76,0.15);
  border-color: var(--pm-gold);
  color: var(--pm-gold-bright);
}

.pm-explain-content {
  display: none;
  margin-top: 8px;
  padding: 10px 12px;
  background: rgba(201,168,76,0.03);
  border: 1px solid rgba(201,168,76,0.08);
  border-radius: var(--pm-radius-md);
  font-size: 0.90rem;
  line-height: 1.6;
  color: var(--pm-text-secondary);
  animation: pm-fadeIn 0.2s var(--pm-ease);
}

.pm-explain-content.open {
  display: block;
}

.pm-explain-content strong {
  color: var(--pm-gold);
  font-weight: 600;
}

.pm-explain-content em {
  color: var(--pm-text-primary);
  font-style: normal;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  background: rgba(255,255,255,0.04);
  padding: 1px 4px;
  border-radius: 3px;
}

.pm-explain-example {
  margin-top: 6px;
  padding: 6px 10px;
  background: rgba(62,207,114,0.04);
  border-left: 2px solid rgba(62,207,114,0.2);
  border-radius: 0 4px 4px 0;
  font-size: 0.88rem;
  color: var(--pm-text-secondary);
}

.pm-explain-example::before {
  content: '💡 ';
  font-size: 0.95rem;
}

.pm-guide-link {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.82rem;
  color: rgba(0, 180, 216, 0.7);
  text-decoration: none;
  transition: color 0.15s;
  cursor: pointer;
}

.pm-guide-link:hover {
  color: rgba(0, 212, 255, 1);
  text-decoration: underline;
}

.pm-guide-link::before {
  content: '📖 ';
  font-size: 0.78rem;
}

/* --- Guide Slide-Over Panel --- */
.pm-guide-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.pm-guide-overlay.open {
  display: block;
  opacity: 1;
}

.pm-guide-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 440px;
  height: 100vh;
  z-index: 9999;
  background: #0a0f1a;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.5);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
  display: flex;
  flex-direction: column;
}

.pm-guide-panel.open {
  transform: translateX(0);
}

.pm-guide-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 15, 26, 0.95);
  flex-shrink: 0;
}

.pm-guide-panel-title {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
}

.pm-guide-close-btn {
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
  flex-shrink: 0;
}

.pm-guide-close-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
}

.pm-guide-panel iframe {
  flex: 1;
  width: 100%;
  border: none;
  background: #030508;
}

@media (max-width: 900px) {
  .pm-guide-panel {
    width: 100%;
    border-left: none;
  }
}

/* Panel-level explanation (under panel title) */
.pm-panel-explain {
  padding: 0 var(--pm-gap-md) var(--pm-gap-sm);
}

/* Header bar — ensure help icon fits */
.pm-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--pm-gap-sm) var(--pm-gap-md);
  border-bottom: 1px solid var(--pm-border);
  position: relative;
  z-index: 1;
  min-height: 2.8rem;
}

.pm-panel-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  overflow: hidden;
}

.pm-panel-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Control-level help icon positioning */
.pm-control-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--pm-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.pm-control-label-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ═══════ EXPORT PANEL ═══════ */

.pm-export-panel {
  border-color: var(--pm-border-panel);
}

.pm-export-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pm-export-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.pm-export-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pm-export-label {
  font-size: 0.80rem;
  color: var(--pm-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pm-export-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--pm-radius-md);
  border: 1.5px solid var(--pm-gold-border);
  background: linear-gradient(135deg, rgba(212,175,55,0.08) 0%, rgba(212,175,55,0.03) 100%);
  color: var(--pm-gold);
  font-family: var(--pm-font);
  font-size: 1.0rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--pm-transition);
  letter-spacing: 0.02em;
}

.pm-export-btn:hover:not(:disabled) {
  border-color: var(--pm-gold);
  background: linear-gradient(135deg, rgba(212,175,55,0.14) 0%, rgba(212,175,55,0.06) 100%);
  box-shadow: 0 0 20px rgba(212,175,55,0.10);
}

.pm-export-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pm-export-btn.exporting {
  border-color: var(--pm-green);
  color: var(--pm-green);
  background: linear-gradient(135deg, rgba(62,207,114,0.08) 0%, rgba(62,207,114,0.03) 100%);
  pointer-events: none;
}

.pm-export-btn-icon {
  font-size: 1.1rem;
}

.pm-export-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pm-export-progress-bar {
  flex: 1;
  height: 6px;
  background: var(--pm-bg-input);
  border-radius: 3px;
  overflow: hidden;
  border: 1px solid var(--pm-border);
}

.pm-export-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--pm-green) 0%, #4fd98a 100%);
  border-radius: 3px;
  transition: width 0.2s ease-out;
}

.pm-export-progress-text {
  font-size: 0.85rem;
  color: var(--pm-green);
  min-width: 36px;
  text-align: right;
}

/* ═══════ PLATFORM PREVIEW (v3.13) ═══════ */

.pm-preview-section {
  padding-top: 12px;
  border-top: 1px solid var(--pm-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pm-preview-header {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pm-preview-title {
  font-size: 0.80rem;
  color: var(--pm-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.pm-preview-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.pm-preview-btn-group {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.pm-preview-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--pm-radius-md);
  border: 1.5px solid rgba(64, 200, 232, 0.25);
  background: linear-gradient(135deg, rgba(64,200,232,0.06) 0%, rgba(64,200,232,0.02) 100%);
  color: var(--pm-cyan);
  font-family: var(--pm-font);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--pm-transition);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.pm-preview-btn:hover:not(:disabled) {
  border-color: var(--pm-cyan);
  background: linear-gradient(135deg, rgba(64,200,232,0.12) 0%, rgba(64,200,232,0.04) 100%);
  box-shadow: 0 0 16px rgba(64,200,232,0.08);
}

.pm-preview-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.pm-preview-btn.rendering {
  border-color: var(--pm-cyan);
  color: var(--pm-cyan);
  pointer-events: none;
  animation: pm-preview-pulse 1.5s ease-in-out infinite;
}

.pm-preview-btn.playing {
  border-color: var(--pm-green);
  color: var(--pm-green);
  background: linear-gradient(135deg, rgba(62,207,114,0.08) 0%, rgba(62,207,114,0.03) 100%);
}

@keyframes pm-preview-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.pm-preview-btn-icon {
  font-size: 0.9rem;
}

.pm-preview-stop-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--pm-radius-md);
  border: 1.5px solid rgba(232, 64, 87, 0.3);
  background: linear-gradient(135deg, rgba(232,64,87,0.06) 0%, rgba(232,64,87,0.02) 100%);
  color: var(--pm-red);
  font-size: 0.7rem;
  cursor: pointer;
  transition: all var(--pm-transition);
}

.pm-preview-stop-btn:hover {
  border-color: var(--pm-red);
  background: linear-gradient(135deg, rgba(232,64,87,0.12) 0%, rgba(232,64,87,0.04) 100%);
}

.pm-preview-progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pm-preview-progress-fill {
  background: linear-gradient(90deg, var(--pm-cyan) 0%, #6dd8ec 100%) !important;
}

.pm-preview-info {
  font-size: 0.78rem;
  color: var(--pm-text-secondary);
  padding: 4px 0;
}

@media (max-width: 480px) {
  .pm-export-row {
    grid-template-columns: 1fr;
  }
}

/* ═══════ QUALITY MODE BUTTONS (Phase 5b) ═══════ */

.pm-quality-btns {
  display: flex;
  gap: 0;
  border-radius: var(--pm-radius-md);
  overflow: hidden;
  border: 1px solid var(--pm-border-panel);
}

.pm-quality-btn {
  padding: 4px 12px;
  border: none;
  background: var(--pm-bg-surface);
  color: var(--pm-text-dim);
  font-family: var(--pm-font);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--pm-transition);
}

.pm-quality-btn:not(:last-child) {
  border-right: 1px solid var(--pm-border);
}

.pm-quality-btn:hover {
  color: var(--pm-text-primary);
  background: var(--pm-bg-elevated);
}

.pm-quality-btn.active {
  background: rgba(62,207,114,0.12);
  color: var(--pm-green);
  font-weight: 600;
}

.pm-quality-btn.active[data-mode="lite"] {
  background: rgba(62,207,114,0.08);
  color: var(--pm-green);
}

.pm-quality-btn.active[data-mode="hq"] {
  background: rgba(212,175,55,0.10);
  color: var(--pm-gold);
}

/* ═══════ PRESET BAR (Phase 5a) ═══════ */

.pm-preset-bar {
  padding: 8px 16px;
  background: var(--pm-bg-panel);
  border-bottom: 1px solid var(--pm-border);
}

.pm-preset-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pm-preset-select {
  flex: 1;
  padding: 6px 10px;
  border-radius: var(--pm-radius-sm);
  border: 1px solid var(--pm-border-panel);
  background: var(--pm-bg-input);
  color: var(--pm-text-primary);
  font-family: var(--pm-font);
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color var(--pm-transition);
}

.pm-preset-select:hover {
  border-color: var(--pm-gold-border-h);
}

.pm-preset-select:focus {
  outline: none;
  border-color: var(--pm-gold);
}

.pm-preset-action-btn {
  padding: 6px 14px;
  border-radius: var(--pm-radius-sm);
  border: 1px solid var(--pm-border-panel);
  background: var(--pm-bg-surface);
  color: var(--pm-text-secondary);
  font-family: var(--pm-font);
  font-size: 0.80rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--pm-transition);
  white-space: nowrap;
}

.pm-preset-action-btn:hover {
  border-color: var(--pm-gold-border-h);
  color: var(--pm-gold);
}

/* ═══════ EQ CONTROLS — Q-PRESET + A/B TOGGLE ═══════ */

.pm-eq-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--pm-gap-sm);
  padding: var(--pm-gap-sm) var(--pm-gap-md);
  flex-wrap: wrap;
}

.pm-eq-controls-left {
  display: flex;
  align-items: center;
  gap: var(--pm-gap-sm);
}

.pm-eq-controls-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pm-q-preset-group {
  display: flex;
  align-items: center;
  gap: 3px;
}

.pm-q-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--pm-text-dim);
  margin-right: 2px;
}

.pm-q-btn {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  padding: 2px 6px;
  border: 1px solid var(--pm-border-panel);
  border-radius: 3px;
  background: transparent;
  color: var(--pm-text-dim);
  cursor: pointer;
  transition: all 0.15s;
}

.pm-q-btn:hover {
  border-color: var(--pm-gold);
  color: var(--pm-gold);
}

.pm-q-btn.active {
  background: rgba(201, 168, 76, 0.15);
  border-color: var(--pm-gold);
  color: var(--pm-gold);
}

.pm-ab-spectrum-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  color: var(--pm-text-dim);
  cursor: pointer;
}

.pm-ab-spectrum-toggle input {
  margin: 0;
  accent-color: var(--pm-green);
}

/* ═══════ COMPRESSOR CROSSOVER ROW ═══════ */

.pm-comp-xover-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--pm-border);
}

.pm-comp-xover-label {
  font-size: 0.78rem;
  color: var(--pm-text-dim);
  white-space: nowrap;
  min-width: 68px;
}

.pm-comp-xover-control {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
}

.pm-comp-xover-control .pm-slider {
  height: 4px;
}

.pm-comp-xover-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.70rem;
  color: var(--pm-text-secondary);
}

/* ═══════ COMPRESSOR VALUE DISPLAYS ═══════ */

.pm-comp-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: var(--pm-text-secondary);
  font-weight: 500;
}

/* ═══════ LUFS TARGET & DELTA ═══════ */

.pm-lufs-delta {
  text-align: center;
  margin-top: 2px;
  padding: 2px 6px;
  border-radius: 3px;
}

.pm-lufs-delta.on-target {
  color: var(--pm-green);
}

.pm-lufs-delta.too-loud {
  color: var(--pm-orange);
}

.pm-lufs-delta.too-quiet {
  color: var(--pm-cyan);
}

/* ═══════ EXPORT RESULT SUMMARY ═══════ */

.pm-export-result {
  margin: 8px 0 4px;
  padding: 8px 12px;
  background: rgba(201, 168, 76, 0.04);
  border: 1px solid var(--pm-border-panel);
  border-radius: var(--pm-radius-sm);
}

.pm-export-result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--pm-text-dim);
  padding: 2px 0;
}

.pm-export-result-row .pm-font-mono {
  color: var(--pm-text-secondary);
  font-size: 0.85rem;
}

.pm-export-result-warning {
  margin-top: 6px;
  padding: 6px 8px;
  background: rgba(232, 148, 58, 0.08);
  border: 1px solid rgba(232, 148, 58, 0.2);
  border-radius: 3px;
  font-size: 0.78rem;
  color: var(--pm-orange);
  line-height: 1.4;
}


/* ════════════════════════════════════════════════════════════════
   TRACK MIXER (v3.6)
   Multi-track stem mixer panel
   ════════════════════════════════════════════════════════════════ */

.pm-track-mixer-panel {
  margin-bottom: var(--pm-gap-md);
}

.pm-track-mixer-panel .pm-panel-header {
  border-bottom: 1px solid var(--pm-border);
}

.pm-track-count {
  font-size: 0.80rem;
  color: var(--pm-text-dim);
  margin-left: 8px;
}

/* --- Track List --- */
.pm-track-list {
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--pm-bg-elevated) var(--pm-bg-panel);
}

/* --- Track Strip --- */
.pm-track-strip {
  display: grid;
  grid-template-columns: 30px 56px 1fr 2fr 1.8fr 120px 28px;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--pm-border);
  transition: opacity 0.15s ease, background 0.15s ease;
}

.pm-track-strip:last-child {
  border-bottom: none;
}

.pm-track-strip:hover {
  background: rgba(201, 168, 76, 0.03);
}

.pm-track-strip.muted {
  opacity: 0.45;
}

.pm-track-strip.soloed {
  background: rgba(201, 168, 76, 0.06);
}

/* --- Per-Track Play Button (v3.8) --- */
.pm-track-play-col {
  display: flex;
  align-items: center;
  justify-content: center;
}

.pm-track-play-btn {
  width: 26px;
  height: 26px;
  font-size: 0.80rem;
  background: var(--pm-bg-elevated);
  border: 1px solid var(--pm-border);
  border-radius: 50%;
  color: var(--pm-text-dim);
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.pm-track-play-btn:hover {
  border-color: var(--pm-gold-border);
  color: var(--pm-gold);
  background: rgba(201, 168, 76, 0.08);
}

.pm-track-play-btn.playing {
  background: var(--pm-gold);
  border-color: var(--pm-gold);
  color: var(--pm-bg-deep);
}

/* --- Audition Highlight (v3.8) --- */
.pm-track-strip.auditioning {
  background: rgba(201, 168, 76, 0.08);
  box-shadow: inset 0 0 0 1px var(--pm-gold-border-h);
}

/* --- Mini-Transport (v3.8) --- */
.pm-track-transport {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--pm-bg-elevated);
  border-top: 1px solid var(--pm-border);
  border-radius: 0 0 var(--pm-radius-lg) var(--pm-radius-lg);
}

/* --- Bounce to Master button (v3.8.2) --- */
.pm-bounce-btn {
  background: linear-gradient(135deg, var(--pm-gold), var(--pm-gold-bright));
  color: var(--pm-bg-deep);
  font-weight: 700;
  border: none;
  padding: 5px 12px;
  border-radius: var(--pm-radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 0.78rem;
}

.pm-bounce-btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 10px rgba(201, 168, 76, 0.3);
}

.pm-mt-btn {
  width: 30px;
  height: 30px;
  font-size: 0.85rem;
  background: var(--pm-bg-panel);
  border: 1px solid var(--pm-border);
  border-radius: var(--pm-radius-sm);
  color: var(--pm-text-dim);
  cursor: pointer;
  transition: all 0.12s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.pm-mt-btn:hover {
  border-color: var(--pm-gold-border);
  color: var(--pm-text-secondary);
}

.pm-mt-play-btn.playing {
  background: var(--pm-gold);
  border-color: var(--pm-gold);
  color: var(--pm-bg-deep);
}

.pm-mt-label {
  font-size: 0.82rem;
  color: var(--pm-text-dim);
  margin-left: 4px;
}

.pm-mt-label.audition-active {
  color: var(--pm-gold);
  font-weight: 600;
}

/* --- Mute / Solo Buttons --- */
.pm-track-controls {
  display: flex;
  gap: 4px;
}

.pm-track-btn {
  background: var(--pm-bg-elevated);
  border: 1px solid var(--pm-border);
  color: var(--pm-text-dim);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  width: 24px;
  height: 24px;
  border-radius: var(--pm-radius-sm);
  cursor: pointer;
  transition: all 0.12s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.pm-track-btn:hover {
  border-color: var(--pm-gold-border);
  color: var(--pm-text-secondary);
}

.pm-track-mute.active {
  background: var(--pm-red);
  border-color: var(--pm-red);
  color: #fff;
}

.pm-track-solo.active {
  background: var(--pm-gold);
  border-color: var(--pm-gold);
  color: var(--pm-bg-deep);
}

.pm-track-remove {
  border: none;
  background: transparent;
  color: var(--pm-text-dim);
  font-size: 0.80rem;
  width: 24px;
  height: 24px;
}

.pm-track-remove:hover {
  color: var(--pm-red);
}

/* --- Track Info --- */
.pm-track-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  overflow: hidden;
}

.pm-track-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--pm-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pm-track-meta {
  font-size: 0.70rem;
  color: var(--pm-text-dim);
  font-family: 'JetBrains Mono', monospace;
}

/* --- Mini Waveform --- */
.pm-track-waveform-wrap {
  position: relative;
  height: 36px;
  background: var(--pm-bg-input);
  border-radius: var(--pm-radius-sm);
  overflow: hidden;
  cursor: pointer;
}

.pm-track-waveform {
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.pm-track-playhead {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 100%;
  background: var(--pm-gold-bright);
  box-shadow: 0 0 6px rgba(232, 200, 104, 0.4);
  pointer-events: none;
  z-index: 2;
  transition: left 0.05s linear;
}

/* --- Per-Track DSP Controls (v3.7) --- */
.pm-track-dsp {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pm-track-eq-group {
  display: flex;
  align-items: center;
  gap: 3px;
}

.pm-track-knob-label {
  font-size: 0.62rem;
  color: var(--pm-text-dim);
  min-width: 16px;
  text-align: center;
  user-select: none;
}

.pm-track-knob {
  -webkit-appearance: none;
  appearance: none;
  width: 40px;
  height: 3px;
  background: var(--pm-bg-elevated);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.pm-track-knob::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pm-text-secondary);
  border: 1px solid var(--pm-bg-deep);
  cursor: pointer;
  transition: background 0.1s;
}

.pm-track-knob::-webkit-slider-thumb:hover {
  background: var(--pm-gold);
}

.pm-track-knob::-moz-range-thumb {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--pm-text-secondary);
  border: 1px solid var(--pm-bg-deep);
  cursor: pointer;
}

.pm-track-pan-group {
  display: flex;
  align-items: center;
  gap: 3px;
  margin-left: 4px;
  padding-left: 6px;
  border-left: 1px solid var(--pm-border);
}

.pm-track-pan {
  width: 36px;
}

.pm-track-comp-group {
  margin-left: 4px;
  padding-left: 6px;
  border-left: 1px solid var(--pm-border);
}

.pm-track-comp-btn {
  font-size: 0.65rem;
  font-weight: 700;
  width: 20px;
  height: 20px;
}

.pm-track-comp-btn.active {
  background: var(--pm-cyan);
  border-color: var(--pm-cyan);
  color: var(--pm-bg-deep);
}

/* --- Volume Fader --- */
.pm-track-fader-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* --- Track Color Indicator (v3.8) --- */
.pm-track-strip {
  border-left: 3px solid var(--track-color, transparent);
}

.pm-track-name-row {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
}

.pm-track-color-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--track-color, var(--pm-text-dim));
  flex-shrink: 0;
}

/* --- Drag-and-Drop Reorder (v3.8) --- */
.pm-track-strip[draggable="true"] {
  cursor: grab;
}

.pm-track-strip[draggable="true"]:active {
  cursor: grabbing;
}

.pm-track-strip.dragging {
  opacity: 0.35;
  background: rgba(201, 168, 76, 0.04);
}

.pm-track-strip.drag-over {
  border-top: 2px solid var(--pm-gold);
  padding-top: 6px;
}

/* --- Copy / Paste Buttons (v3.8) --- */
.pm-track-copy-group {
  display: flex;
  gap: 2px;
  margin-left: 4px;
  padding-left: 6px;
  border-left: 1px solid var(--pm-border);
}

.pm-track-copy-btn,
.pm-track-paste-btn {
  font-size: 0.72rem;
  width: 20px;
  height: 20px;
  opacity: 0.5;
  transition: all 0.15s ease;
}

.pm-track-copy-btn:hover,
.pm-track-paste-btn:hover {
  opacity: 1;
}

.pm-track-copy-btn.copied {
  background: var(--pm-green);
  border-color: var(--pm-green);
  color: var(--pm-bg-deep);
  opacity: 1;
}

.pm-track-paste-btn.has-clipboard {
  opacity: 0.85;
  color: var(--pm-text-secondary);
}

.pm-track-paste-btn.has-clipboard:hover {
  background: var(--pm-gold-glow);
  border-color: var(--pm-gold-border);
  color: var(--pm-gold);
  opacity: 1;
}

/* --- Paste Flash Animation (v3.8) --- */
.pm-track-strip.paste-flash {
  animation: pasteFlash 0.6s ease;
}

@keyframes pasteFlash {
  0%   { background: rgba(62, 207, 114, 0.15); }
  100% { background: transparent; }
}

.pm-track-fader {
  -webkit-appearance: none;
  appearance: none;
  width: 90px;
  height: 4px;
  background: var(--pm-bg-elevated);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.pm-track-fader::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pm-gold);
  border: 2px solid var(--pm-bg-deep);
  box-shadow: 0 0 6px rgba(201, 168, 76, 0.3);
  cursor: pointer;
}

.pm-track-fader::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pm-gold);
  border: 2px solid var(--pm-bg-deep);
  box-shadow: 0 0 6px rgba(201, 168, 76, 0.3);
  cursor: pointer;
}

.pm-track-fader-val {
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--pm-text-secondary);
  min-width: 32px;
  text-align: right;
}

/* --- Track Edit Button (v3.9a) --- */
.pm-track-edit-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 2px 7px;
  background: rgba(16, 19, 27, 0.75);
  border: 1px solid var(--pm-border);
  border-radius: var(--pm-radius-sm);
  color: var(--pm-text-dim);
  cursor: pointer;
  opacity: 0;
  transition: all 0.15s ease;
  z-index: 3;
}

.pm-track-waveform-wrap:hover .pm-track-edit-btn,
.pm-track-edit-btn.active {
  opacity: 1;
}

.pm-track-edit-btn:hover {
  border-color: var(--pm-gold-border);
  color: var(--pm-gold);
  background: rgba(16, 19, 27, 0.9);
}

.pm-track-edit-btn.active {
  background: var(--pm-gold);
  border-color: var(--pm-gold);
  color: var(--pm-bg-deep);
}

.pm-track-strip.editing {
  background: rgba(201, 168, 76, 0.04);
}

/* ═══════════════════════════════════════════════════
   TRACK EDIT VIEW (v3.9a)
   ═══════════════════════════════════════════════════ */

/* ══════════════════════════════════════════════════
   M/S EQ (v3.11)
   ══════════════════════════════════════════════════ */

/* ── M/S EQ (v3.11, UI v3.12) ── */
.pm-ms-eq-section {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--pm-border);
}

.pm-ms-eq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.pm-ms-eq-header-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pm-ms-eq-header-right {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pm-ms-eq-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--pm-text-primary);
  letter-spacing: 0.04em;
}

.pm-ms-eq-collapse {
  background: none;
  border: none;
  color: var(--pm-text-dim);
  font-size: 0.9rem;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  border-radius: var(--pm-radius-sm);
  transition: color 0.15s;
}
.pm-ms-eq-collapse:hover {
  color: var(--pm-text-primary);
}

.pm-ms-eq-body {
  overflow: hidden;
  max-height: 500px;
  transition: max-height 0.25s ease, opacity 0.2s ease;
  opacity: 1;
}
.pm-ms-eq-body.collapsed {
  max-height: 0;
  opacity: 0;
}

.pm-ms-eq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.pm-ms-eq-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pm-ms-eq-ch-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  padding: 3px 0;
  border-radius: var(--pm-radius-sm);
}

.pm-ms-eq-mid-label {
  color: var(--pm-cyan);
  background: rgba(64, 200, 232, 0.10);
}

.pm-ms-eq-side-label {
  color: var(--pm-orange);
  background: rgba(232, 148, 58, 0.10);
}

.pm-ms-eq-band {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pm-ms-eq-band-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pm-ms-eq-band-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--pm-text-secondary);
}

.pm-ms-eq-freq {
  font-size: 0.64rem;
  font-weight: 400;
  color: var(--pm-text-dim);
  margin-left: 2px;
}

.pm-ms-eq-slider {
  /* Use standard slider height — not the 3px override */
  flex: 1;
}

.pm-ms-eq-val {
  font-size: 0.72rem !important;
  font-family: 'JetBrains Mono', monospace;
  min-width: 32px;
  text-align: right;
  color: var(--pm-text-secondary) !important;
}

.pm-ms-eq-toggle.active {
  background: var(--pm-gold-dim);
  color: var(--pm-text-primary);
  border-color: var(--pm-gold);
}

/* M/S EQ stepper buttons follow standard pm-step-btn sizing */
.pm-ms-eq-band .pm-control-row {
  gap: 4px;
}

/* ══════════════════════════════════════════════════
   TRACK EDIT VIEW (v3.9)
   ══════════════════════════════════════════════════ */

.pm-edit-view {
  background: var(--pm-bg-surface);
  border: 1px solid var(--pm-border-panel);
  border-left: 3px solid var(--edit-color, var(--pm-gold));
  border-radius: var(--pm-radius-md);
  margin: 4px 8px 8px 8px;
  overflow: hidden;
  animation: editViewSlideIn 0.25s ease;
}

@keyframes editViewSlideIn {
  from { opacity: 0; max-height: 0; margin-top: 0; margin-bottom: 0; }
  to   { opacity: 1; max-height: 400px; }
}

/* --- Edit Header --- */
.pm-edit-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px;
  border-bottom: 1px solid var(--pm-border);
  background: var(--pm-bg-panel);
}

.pm-edit-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.pm-edit-color-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--edit-color, var(--pm-gold));
}

.pm-edit-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--pm-text-primary);
}

.pm-edit-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
}

.pm-edit-btn {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 8px;
  background: var(--pm-bg-elevated);
  border: 1px solid var(--pm-border);
  border-radius: var(--pm-radius-sm);
  color: var(--pm-text-dim);
  cursor: pointer;
  transition: all 0.12s ease;
  min-width: 24px;
  text-align: center;
}

.pm-edit-btn:hover {
  border-color: var(--pm-gold-border);
  color: var(--pm-text-secondary);
}

.pm-edit-done-btn {
  background: var(--pm-gold);
  border-color: var(--pm-gold);
  color: var(--pm-bg-deep);
  font-weight: 700;
  margin-left: 8px;
}

.pm-edit-done-btn:hover {
  filter: brightness(1.15);
}

.pm-edit-zoom-label {
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--pm-text-dim);
  min-width: 32px;
  text-align: center;
  user-select: none;
}

.pm-edit-separator {
  width: 1px;
  height: 18px;
  background: var(--pm-border);
  margin: 0 6px;
}

/* --- Edit Canvas --- */
.pm-edit-canvas-wrap {
  position: relative;
  height: 180px;
  background: var(--pm-bg-deep);
  overflow: hidden;
  cursor: crosshair;
}

.pm-edit-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.pm-edit-playhead {
  position: absolute;
  top: 0;
  left: 0;
  width: 1.5px;
  height: 100%;
  background: #fff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  pointer-events: none;
  z-index: 3;
}

/* --- Time Labels --- */
.pm-edit-time-label {
  position: absolute;
  bottom: 6px;
  font-size: 0.68rem;
  font-family: 'JetBrains Mono', monospace;
  color: rgba(255, 255, 255, 0.3);
  pointer-events: none;
  z-index: 2;
}

.pm-edit-time-start { left: 8px; }
.pm-edit-time-end   { right: 8px; }

/* --- Selection Overlay (v3.9b) --- */
.pm-edit-selection-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

/* --- Selection Info Bar (v3.9b) --- */
.pm-edit-selection-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 14px;
  background: var(--pm-bg-elevated);
  border-top: 1px solid var(--pm-border);
}

.pm-edit-sel-info {
  font-size: 0.75rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--pm-gold);
  letter-spacing: 0.02em;
}

.pm-edit-sel-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* --- Attenuate Controls (v3.9c) --- */
.pm-edit-atten-label {
  font-size: 0.72rem;
  color: var(--pm-text-dim);
  margin-right: 2px;
}

.pm-edit-atten-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100px;
  height: 4px;
  background: var(--pm-bg-panel);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.pm-edit-atten-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pm-gold);
  border: 2px solid var(--pm-bg-deep);
  cursor: pointer;
}

.pm-edit-atten-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pm-gold);
  border: 2px solid var(--pm-bg-deep);
  cursor: pointer;
}

.pm-edit-atten-val {
  font-size: 0.72rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--pm-text-secondary);
  min-width: 38px;
  text-align: center;
}

.pm-edit-apply-btn {
  background: var(--pm-gold) !important;
  border-color: var(--pm-gold) !important;
  color: var(--pm-bg-deep) !important;
  font-weight: 700;
}

.pm-edit-apply-btn:hover {
  filter: brightness(1.15);
}

/* --- Region EQ Panel (v3.10a) --- */
.pm-edit-eq-panel {
  padding: 8px 14px 10px;
  background: var(--pm-bg-panel);
  border-top: 1px solid var(--pm-border);
  display: flex;
  align-items: center;
  gap: 16px;
  animation: editViewSlideIn 0.15s ease;
}

.pm-edit-eq-bands {
  display: flex;
  gap: 14px;
  flex: 1;
}

.pm-edit-eq-band {
  display: flex;
  align-items: center;
  gap: 5px;
}

.pm-edit-eq-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--pm-text-secondary);
  min-width: 22px;
}

.pm-edit-eq-freq {
  font-size: 0.65rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--pm-text-dim);
  min-width: 36px;
}

.pm-edit-eq-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 90px;
  height: 4px;
  background: linear-gradient(to right, var(--pm-cyan), var(--pm-bg-elevated) 50%, var(--pm-gold) 100%);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.pm-edit-eq-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pm-text-primary);
  border: 2px solid var(--pm-bg-deep);
  cursor: pointer;
}

.pm-edit-eq-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pm-text-primary);
  border: 2px solid var(--pm-bg-deep);
  cursor: pointer;
}

.pm-edit-eq-val {
  font-size: 0.70rem;
  font-family: 'JetBrains Mono', monospace;
  color: var(--pm-text-secondary);
  min-width: 42px;
  text-align: right;
}

.pm-edit-eq-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.pm-edit-eq-toggle.active {
  background: var(--pm-gold-dim);
  color: var(--pm-text-primary);
  border-color: var(--pm-gold);
}

/* --- Undo / Redo (v3.9c) --- */
.pm-edit-undo-btn,
.pm-edit-redo-btn {
  font-size: 0.70rem;
}

.pm-edit-undo-btn:disabled,
.pm-edit-redo-btn:disabled {
  opacity: 0.3;
  cursor: default;
}

/* --- Scrollbar --- */
.pm-edit-scrollbar-track {
  height: 6px;
  background: var(--pm-bg-elevated);
  position: relative;
  border-radius: 0 0 var(--pm-radius-md) var(--pm-radius-md);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.pm-edit-scrollbar-thumb {
  position: absolute;
  top: 0;
  height: 100%;
  background: var(--pm-gold-dim);
  border-radius: 3px;
  min-width: 20px;
  transition: left 0.05s linear, width 0.05s linear;
}

.pm-edit-scrollbar-thumb:hover {
  background: var(--pm-gold);
}

/* --- Responsive: narrow screens --- */
@media (max-width: 900px) {
  .pm-track-strip {
    grid-template-columns: 30px 56px 1fr 1.5fr 100px 28px;
  }
  .pm-track-waveform-wrap {
    display: none;
  }
  .pm-edit-eq-bands {
    flex-direction: column;
    gap: 6px;
  }
  .pm-edit-eq-panel {
    flex-wrap: wrap;
  }
}

@media (max-width: 600px) {
  .pm-track-strip {
    grid-template-columns: 30px 56px 1fr 100px 28px;
  }
  .pm-track-dsp {
    display: none;
  }
  .pm-edit-canvas-wrap {
    height: 120px;
  }
}

/* ═══════════ TONEMAP (v3.15) ═══════════ */

.pm-tonemap-panel {
  min-width: 200px;
  max-width: 240px;
}

.pm-tonemap-body {
  padding: 8px 12px !important;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Axis container */
.pm-tonemap-axis {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pm-tonemap-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--pm-text-secondary);
  padding: 0 2px;
}

.pm-tm-label-left,
.pm-tm-label-right {
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* ToneMap slider track with zone gradient */
.pm-tonemap-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  background: linear-gradient(to right,
    rgba(232, 64, 87, 0.25) 0%,
    rgba(232, 64, 87, 0.25) 10%,
    rgba(232, 148, 58, 0.2) 10%,
    rgba(232, 148, 58, 0.2) 20%,
    rgba(62, 207, 114, 0.15) 20%,
    rgba(62, 207, 114, 0.15) 80%,
    rgba(232, 148, 58, 0.2) 80%,
    rgba(232, 148, 58, 0.2) 90%,
    rgba(232, 64, 87, 0.25) 90%,
    rgba(232, 64, 87, 0.25) 100%
  );
}

/* Thumb — default neutral */
.pm-tonemap-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--pm-text-secondary);
  cursor: pointer;
  border: 2px solid var(--pm-bg-panel);
  box-shadow: 0 0 4px rgba(0,0,0,0.4);
  transition: background 0.15s, box-shadow 0.15s;
}

.pm-tonemap-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--pm-text-secondary);
  cursor: pointer;
  border: 2px solid var(--pm-bg-panel);
  box-shadow: 0 0 4px rgba(0,0,0,0.4);
  transition: background 0.15s, box-shadow 0.15s;
}

/* Zone-based thumb colors */
.pm-tonemap-slider.zone-safe::-webkit-slider-thumb {
  background: var(--pm-green);
  box-shadow: 0 0 6px rgba(62, 207, 114, 0.4);
}
.pm-tonemap-slider.zone-safe::-moz-range-thumb {
  background: var(--pm-green);
  box-shadow: 0 0 6px rgba(62, 207, 114, 0.4);
}

.pm-tonemap-slider.zone-exp::-webkit-slider-thumb {
  background: var(--pm-orange);
  box-shadow: 0 0 6px rgba(232, 148, 58, 0.5);
}
.pm-tonemap-slider.zone-exp::-moz-range-thumb {
  background: var(--pm-orange);
  box-shadow: 0 0 6px rgba(232, 148, 58, 0.5);
}

.pm-tonemap-slider.zone-extreme::-webkit-slider-thumb {
  background: var(--pm-red);
  box-shadow: 0 0 8px rgba(232, 64, 87, 0.6);
}
.pm-tonemap-slider.zone-extreme::-moz-range-thumb {
  background: var(--pm-red);
  box-shadow: 0 0 8px rgba(232, 64, 87, 0.6);
}

/* Description text */
.pm-tm-desc {
  font-size: 0.65rem;
  min-height: 1.2em;
  color: var(--pm-text-dim);
  text-align: center;
  transition: color 0.15s;
}

/* Preset row */
.pm-tonemap-preset-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
  border-top: 1px solid var(--pm-bg-elevated);
}

.pm-tm-preset-label {
  font-size: 0.7rem;
  color: var(--pm-text-dim);
  white-space: nowrap;
}

.pm-tm-preset-select {
  flex: 1;
  font-size: 0.7rem;
  padding: 3px 6px;
  background: var(--pm-bg-input);
  color: var(--pm-text-secondary);
  border: 1px solid var(--pm-bg-elevated);
  border-radius: 4px;
  cursor: pointer;
}

.pm-tm-preset-select:hover {
  border-color: var(--pm-text-dim);
}

/* Reset button */
#pm-tm-reset {
  font-size: 0.65rem;
  padding: 2px 8px;
  background: var(--pm-bg-surface);
  color: var(--pm-text-secondary);
  border: 1px solid var(--pm-bg-elevated);
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

#pm-tm-reset:hover {
  background: var(--pm-bg-elevated);
  color: var(--pm-text-primary);
}

/* ── Bypass lock when ToneMap is active ── */

.pm-app.tonemap-active .pm-bypass-btn.active {
  pointer-events: none;
  opacity: 0.6;
  position: relative;
}

/* M/S EQ toggle: override gold with green when forced active by ToneMap */
.pm-app.tonemap-active .pm-ms-eq-toggle.active {
  background: rgba(62,207,114,0.1);
  color: var(--pm-green);
  border-color: var(--pm-green);
}

.pm-app.tonemap-active .pm-bypass-btn.active::after {
  content: '🔒';
  font-size: 0.5em;
  position: absolute;
  top: -3px;
  right: -3px;
  line-height: 1;
}

/* Don't lock the ToneMap's own reset or explain buttons */
.pm-tonemap-panel .pm-bypass-btn {
  pointer-events: auto !important;
  opacity: 1 !important;
}

/* ── Responsive ── */

@media (max-width: 900px) {
  .pm-tonemap-panel {
    min-width: 160px;
    max-width: none;
  }
}

/* ── v4.0: Sidechain dropdown in track strip ── */
.pm-track-sidechain-select {
  font-size: 0.72rem;
  padding: 1px 2px;
  background: var(--pm-bg-secondary);
  color: var(--pm-text-dim);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 3px;
  cursor: pointer;
  max-width: 80px;
}
.pm-track-sidechain-select:focus {
  outline: 1px solid var(--pm-cyan);
}