/* wav3shap3 - Professional Audio Editor Styles */
:root {
  --bg-darkest: #1a1a1e;
  --bg-dark: #222228;
  --bg-medium: #2a2a32;
  --bg-light: #333340;
  --bg-lighter: #3a3a48;
  --bg-hover: #444458;
  --border: #404050;
  --border-light: #505065;
  --text: #d0d0d8;
  --text-dim: #888898;
  --text-bright: #e8e8f0;
  --accent: #00aaff;
  --accent-dim: #0088cc;
  --accent-bg: rgba(0, 170, 255, 0.15);
  --green: #44cc44;
  --yellow: #cccc00;
  --red: #ff4444;
  --orange: #ff8800;
  --selection: rgba(0, 170, 255, 0.25);
  --selection-border: rgba(0, 170, 255, 0.6);
  --waveform-bg: #0d0b1a;
  --waveform-color: #00ccff;
  --waveform-rms: #0088aa;
  --playhead: #ff3333;
  --marker-color: #ffaa00;
  --region-color: rgba(255, 170, 0, 0.1);
  --meter-green: #22cc22;
  --meter-yellow: #cccc00;
  --meter-red: #ff2222;
  --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Consolas', 'SF Mono', 'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  font-size: 12px;
  color: var(--text);
  background: var(--bg-darkest);
  overflow: hidden;
  height: 100vh;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* ===== MENU BAR ===== */
#menu-bar {
  display: flex;
  height: 24px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  align-items: center;
  padding: 0 4px;
  flex-shrink: 0;
}

.menu-item {
  padding: 2px 10px;
  cursor: pointer;
  border-radius: 3px;
  font-size: 12px;
}
.menu-item:hover, .menu-item.active {
  background: var(--bg-hover);
  color: var(--text-bright);
}

.menu-dropdown {
  position: absolute;
  top: 24px;
  left: 0;
  background: var(--bg-medium);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  min-width: 200px;
  z-index: 1000;
  padding: 4px 0;
}

.menu-dropdown-item {
  padding: 6px 24px 6px 12px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.menu-dropdown-item:hover {
  background: var(--accent);
  color: #fff;
}
.menu-dropdown-item .shortcut {
  color: var(--text-dim);
  font-size: 11px;
  margin-left: 30px;
}
.menu-dropdown-item:hover .shortcut {
  color: rgba(255,255,255,0.7);
}
.menu-dropdown-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 8px;
}
.menu-dropdown-item.disabled {
  color: var(--text-dim);
  pointer-events: none;
}

/* ===== TOOLBAR ===== */
#toolbar {
  display: flex;
  align-items: center;
  height: 36px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  padding: 0 6px;
  gap: 2px;
  flex-shrink: 0;
}

.toolbar-group {
  display: flex;
  gap: 1px;
}

.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 6px;
}

.tool-btn {
  width: 28px;
  height: 28px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  border-radius: 3px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  position: relative;
}
.tool-btn[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: 6px;
  padding: 4px 8px;
  background: #222230;
  color: #e8e8f0;
  font-size: 11px;
  font-family: var(--font);
  white-space: nowrap;
  border-radius: 4px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  z-index: 1000;
}
.tool-btn[data-tooltip]:hover::after {
  opacity: 1;
}
.tool-btn svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.tool-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border);
}
.tool-btn.active {
  background: var(--accent-bg);
  border-color: var(--accent-dim);
  color: var(--accent);
}
.tool-btn:disabled {
  opacity: 0.35;
  cursor: default;
}
.tool-btn:disabled:hover {
  background: transparent;
  border-color: transparent;
}

/* ===== MAIN CONTENT ===== */
#main-content {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* ===== PANELS ===== */
.panel {
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
#left-panel { width: 220px; min-width: 150px; }
#right-panel {
  width: 160px;
  min-width: 120px;
  border-right: none;
  border-left: 1px solid var(--border);
}

.panel-resizer {
  width: 4px;
  cursor: col-resize;
  background: transparent;
  flex-shrink: 0;
}
.panel-resizer:hover { background: var(--accent-dim); }

.panel-tabs {
  display: flex;
  background: var(--bg-darkest);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.panel-tab {
  padding: 6px 12px;
  cursor: pointer;
  font-size: 11px;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
}
.panel-tab:hover { color: var(--text); }
.panel-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.panel-content {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.panel-header {
  padding: 6px 8px;
  background: var(--bg-medium);
  border-bottom: 1px solid var(--border);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.panel-empty {
  color: var(--text-dim);
  text-align: center;
  padding: 20px;
  font-size: 11px;
}

/* Markers */
.marker-controls {
  display: flex;
  gap: 4px;
  margin-bottom: 8px;
}
.small-btn {
  padding: 3px 8px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  border-radius: 3px;
  font-size: 11px;
}
.small-btn:hover { background: var(--bg-hover); }

.marker-list-item {
  display: flex;
  align-items: center;
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
  gap: 6px;
  font-size: 11px;
}
.marker-list-item:hover { background: var(--bg-light); }
.marker-list-item .marker-icon {
  width: 8px;
  height: 8px;
  background: var(--marker-color);
  border-radius: 1px;
  flex-shrink: 0;
}
.marker-list-item .marker-time {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
  margin-left: auto;
}

/* Effects */
.effects-chain {
  min-height: 60px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
  padding-bottom: 6px;
}
.effects-browser { }
.effects-category { margin-bottom: 4px; }
.category-header {
  padding: 4px 6px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
}
.effect-item {
  padding: 4px 12px;
  cursor: pointer;
  font-size: 11px;
  border-radius: 3px;
}
.effect-item:hover {
  background: var(--bg-hover);
  color: var(--text-bright);
}
.chain-item {
  display: flex;
  align-items: center;
  padding: 4px 8px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 3px;
  margin-bottom: 3px;
  cursor: pointer;
  font-size: 11px;
}
.chain-item:hover { border-color: var(--accent-dim); }
.chain-item .chain-remove {
  margin-left: auto;
  color: var(--text-dim);
  cursor: pointer;
}
.chain-item .chain-remove:hover { color: var(--red); }

/* File list */
.file-list-item {
  display: flex;
  align-items: center;
  padding: 4px 6px;
  border-radius: 3px;
  cursor: pointer;
  gap: 6px;
  font-size: 11px;
}
.file-list-item:hover { background: var(--bg-light); }
.file-list-item.active {
  background: var(--accent-bg);
  color: var(--accent);
}

/* ===== CENTER AREA ===== */
#center-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* Tab Bar */
#tab-bar {
  height: 28px;
  background: var(--bg-darkest);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  overflow-x: auto;
  flex-shrink: 0;
}
#tab-list {
  display: flex;
  height: 100%;
  align-items: flex-end;
}
.tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: 4px 4px 0 0;
  cursor: pointer;
  font-size: 11px;
  color: var(--text-dim);
  margin-left: 2px;
  height: 24px;
  white-space: nowrap;
}
.tab:hover { color: var(--text); }
.tab.active {
  background: var(--bg-medium);
  color: var(--text-bright);
  border-bottom: 1px solid var(--bg-medium);
}
.tab-close {
  width: 14px;
  height: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 14px;
  line-height: 1;
  color: var(--text-dim);
}
.tab-close:hover {
  background: var(--red);
  color: #fff;
}

/* ===== WAVEFORM ===== */
#waveform-container {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--waveform-bg);
  overflow: hidden;
  min-height: 0;
}

#empty-state {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 5;
  background: var(--waveform-bg);
}
#empty-state h2 {
  font-size: 22px;
  font-weight: 300;
  color: var(--text);
  margin-top: 20px;
  letter-spacing: 1px;
}
#empty-state p {
  color: var(--text-dim);
  margin-top: 8px;
  font-size: 13px;
}
#empty-state .empty-icon svg {
  opacity: 0.5;
}
.primary-btn {
  margin-top: 16px;
  padding: 8px 24px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
}
.primary-btn:hover { background: var(--accent-dim); }

/* Overview */
#overview-container {
  height: 40px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  position: relative;
  flex-shrink: 0;
  display: none;
}
#overview-container.visible { display: block; }
#overview-canvas {
  width: 100%;
  height: 100%;
}
#overview-viewport {
  position: absolute;
  top: 0;
  height: 100%;
  border: 1px solid var(--accent);
  background: var(--selection);
  cursor: grab;
  min-width: 4px;
}
#overview-viewport:active { cursor: grabbing; }

/* Ruler */
#ruler-canvas {
  width: 100%;
  height: 24px;
  background: var(--bg-medium);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

/* Waveform scroll area */
#waveform-scroll {
  flex: 1;
  position: relative;
  overflow: hidden;
  cursor: crosshair;
}

#waveform-canvas {
  position: absolute;
  top: 0;
  left: 0;
}

/* Selection */
#selection-overlay {
  position: absolute;
  top: 0;
  height: 100%;
  background: var(--selection);
  border-left: 1px solid var(--selection-border);
  border-right: 1px solid var(--selection-border);
  pointer-events: none;
  z-index: 3;
}

/* Playhead */
#playhead {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--playhead);
  z-index: 4;
  pointer-events: none;
  box-shadow: 0 0 4px rgba(255, 0, 0, 0.5);
}

/* Markers */
#markers-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2;
}
.marker-line {
  position: absolute;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--marker-color);
  pointer-events: auto;
  cursor: pointer;
}
.marker-flag {
  position: absolute;
  top: 0;
  background: var(--marker-color);
  color: #000;
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 0 2px 2px 0;
  white-space: nowrap;
  pointer-events: auto;
  cursor: pointer;
}
.region-block {
  position: absolute;
  top: 0;
  height: 100%;
  background: var(--region-color);
  border-left: 1px solid var(--marker-color);
  border-right: 1px solid var(--marker-color);
  pointer-events: auto;
  cursor: pointer;
}

/* Waveform Area */
#waveform-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
}

/* ===== ANALYSIS PANEL ===== */
#analysis-panel {
  height: 120px;
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  display: none;
}
#analysis-panel.visible {
  display: flex;
}
.analysis-tabs {
  display: flex;
  background: var(--bg-darkest);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.analysis-tab {
  padding: 4px 12px;
  cursor: pointer;
  font-size: 10px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
}
.analysis-tab:hover { color: var(--text); }
.analysis-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
#analysis-content {
  flex: 1;
  position: relative;
}
#analysis-content canvas,
#eq-panel {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
}

/* ===== EQ PANEL ===== */
#eq-panel {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 1px;
  padding: 4px 8px 2px;
  background: #1a1a1e;
  overflow: hidden;
  box-sizing: border-box;
}
#eq-panel .eq-band {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  min-width: 0;
  height: 100%;
  justify-content: space-between;
}
#eq-panel .eq-band label {
  font-size: 7px;
  color: #668;
  white-space: nowrap;
  line-height: 1;
  flex-shrink: 0;
}
#eq-panel .eq-band .eq-value {
  font-size: 7px;
  color: #88a;
  line-height: 1;
  flex-shrink: 0;
  min-height: 10px;
}
#eq-panel .eq-band input[type="range"] {
  writing-mode: vertical-lr;
  direction: rtl;
  flex: 1;
  min-height: 0;
  width: 100%;
  max-width: 20px;
  margin: 1px 0;
  accent-color: var(--accent);
  cursor: pointer;
}
#eq-panel .eq-buttons {
  position: absolute;
  top: 3px;
  right: 8px;
  display: flex;
  gap: 4px;
  z-index: 1;
}
#eq-panel .eq-btn {
  font-size: 9px;
  color: var(--text-dim);
  cursor: pointer;
  background: var(--bg-darkest);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
}
#eq-panel .eq-btn:hover {
  color: var(--text);
  border-color: var(--accent);
}
#eq-panel .eq-apply {
  color: var(--accent);
}
#eq-panel .eq-apply:hover {
  background: var(--accent);
  color: #000;
}

/* ===== METERS ===== */
#meter-container {
  padding: 8px;
  display: flex;
  gap: 4px;
  flex: 1;
  min-height: 0;
}
.meter-channel {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
}
.meter-label {
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 4px;
  font-weight: 600;
}
.meter-bar-container {
  flex: 1;
  width: 100%;
  position: relative;
}
.meter-canvas {
  width: 100%;
  height: 100%;
}
.meter-peak {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-dim);
  margin-top: 4px;
  text-align: center;
}
.meter-scale {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-size: 8px;
  color: var(--text-dim);
  padding: 4px 0;
  font-family: var(--font-mono);
}

/* Gain Slider */
#gain-slider-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding-left: 6px;
  margin-left: 6px;
  border-left: 1px solid var(--border);
}
#gain-slider-container .meter-label {
  font-size: 9px;
  color: var(--text-dim);
}
#gain-slider {
  writing-mode: vertical-lr;
  direction: rtl;
  -webkit-appearance: slider-vertical;
  appearance: slider-vertical;
  width: 20px;
  flex: 1;
  min-height: 0;
  cursor: pointer;
  accent-color: var(--accent);
}
#gain-value {
  font-size: 9px;
  color: var(--text);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* File Info */
#file-info {
  padding: 6px 8px;
}
.info-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
  font-size: 10px;
}
.info-label {
  color: var(--text-dim);
}
#file-info span:not(.info-label) {
  font-family: var(--font-mono);
  font-size: 10px;
}

/* ===== TRANSPORT BAR ===== */
#transport-bar {
  height: 48px;
  background: linear-gradient(to bottom, var(--bg-medium), var(--bg-dark));
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 16px;
  flex-shrink: 0;
}

#transport-controls {
  display: flex;
  align-items: center;
  gap: 2px;
}

.transport-btn {
  width: 32px;
  height: 32px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
}
.transport-btn svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
  stroke: none;
}
.transport-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border);
}
.transport-btn.large {
  width: 38px;
  height: 38px;
}
.transport-btn.active {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: var(--accent-dim);
}
.transport-btn.record svg { fill: var(--red); }
.transport-btn.record.active { background: rgba(255, 50, 50, 0.2); }

.transport-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 4px;
}

/* Time Display */
#time-display {
  display: flex;
  gap: 16px;
  background: var(--bg-darkest);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 12px;
}
.time-group { text-align: center; }
.time-label {
  font-size: 9px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.time-value {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 1px;
}

/* Volume */
#transport-volume {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  color: var(--text-dim);
}
#volume-slider {
  width: 80px;
  height: 4px;
  -webkit-appearance: none;
  background: var(--bg-lighter);
  border-radius: 2px;
  outline: none;
}
#volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}
#volume-display {
  font-family: var(--font-mono);
  font-size: 11px;
  width: 35px;
}

/* Loading progress */
.loading-dialog {
  background: var(--bg-medium);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  padding: 24px 32px;
  min-width: 340px;
  text-align: center;
}
.loading-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}
.loading-stage {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.loading-bar-bg {
  height: 6px;
  background: var(--bg-darkest);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 8px;
}
.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-dim), var(--accent));
  border-radius: 3px;
  transition: width 0.2s ease;
}
.loading-percent {
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--text);
}

/* ===== STATUS BAR ===== */
#status-bar {
  height: 22px;
  background: var(--bg-darkest);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 10px;
  font-size: 11px;
  flex-shrink: 0;
}
.status-right {
  display: flex;
  gap: 6px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 10px;
}
.status-sep { color: var(--border); }
#status-message { color: var(--text-dim); }

/* ===== DIALOGS ===== */
.dialog-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}
.dialog {
  background: var(--bg-medium);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  min-width: 400px;
  max-width: 600px;
}
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
}
.dialog-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
}
.dialog-close:hover { color: var(--red); }
.dialog-body {
  padding: 16px;
}
.dialog-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}
.dialog-btn {
  padding: 6px 16px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  border-radius: 4px;
  font-size: 12px;
}
.dialog-btn:hover { background: var(--bg-hover); }
.dialog-btn.primary {
  background: var(--accent);
  border-color: var(--accent-dim);
  color: #fff;
}
.dialog-btn.primary:hover { background: var(--accent-dim); }

/* Export dialog */
.export-row {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}
.export-row label {
  width: 100px;
  font-size: 12px;
  color: var(--text-dim);
  flex-shrink: 0;
}
.export-input {
  flex: 1;
  padding: 5px 8px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
  font-size: 12px;
  font-family: var(--font);
}
.export-input:focus {
  border-color: var(--accent);
  outline: none;
}

/* Effect controls */
.effect-control {
  display: flex;
  align-items: center;
  margin-bottom: 12px;
  gap: 12px;
}
.effect-control label {
  width: 100px;
  font-size: 12px;
  color: var(--text-dim);
}
.effect-control input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 4px;
  background: var(--bg-lighter);
  border-radius: 2px;
  outline: none;
}
.effect-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}
.effect-control .value-display {
  width: 50px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
}
.effect-control select {
  flex: 1;
  background: var(--bg-light);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 4px 8px;
  border-radius: 3px;
  font-size: 12px;
}

/* ===== SCROLLBARS ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darkest); }
::-webkit-scrollbar-thumb {
  background: var(--bg-lighter);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover { background: var(--bg-hover); }

/* ===== UTILITY ===== */
.hidden { display: none !important; }

/* Drag and drop highlight */
#waveform-container.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}
#waveform-container.drag-over #empty-state {
  background: var(--accent-bg);
}

/* Context menu */
.context-menu {
  position: fixed;
  background: var(--bg-medium);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  min-width: 180px;
  z-index: 3000;
  padding: 4px 0;
}
.context-menu-item {
  padding: 6px 16px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  justify-content: space-between;
}
.context-menu-item:hover {
  background: var(--accent);
  color: #fff;
}
.context-menu-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 8px;
}

/* Responsive */
@media (max-width: 900px) {
  #left-panel { display: none; }
  #left-resizer { display: none; }
  #right-panel { width: 100px; min-width: 80px; }
  #time-display { gap: 8px; }
  .time-group:nth-child(n+3) { display: none; }
}