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

:root {
  --theme-background: #080808;
  --theme-accent: #BCB1E7;
  --theme-accent-secondary: #9A8FD1;
  --bg-card: rgba(255, 255, 255, 0.05);
  --bg-card-hover: rgba(255, 255, 255, 0.08);
  --bg-elevated: rgba(255, 255, 255, 0.1);
  --border: rgba(255, 255, 255, 0.1);
  --border-subtle: rgba(255, 255, 255, 0.05);
  --text-primary: #ffffff;
  --text-secondary: #a1a1a1;
  --text-muted: #666666;
  --green: #22c55e;
  --green-bg: rgba(34, 197, 94, 0.1);
  --red: #ef4444;
  --red-bg: rgba(239, 68, 68, 0.2);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--theme-background);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  user-select: none;
}

::selection {
  background: var(--theme-accent);
  color: var(--theme-background);
}

/* Title Bar */
.title-bar {
  height: 40px;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 16px;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 9999;
}

.title-bar-drag {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 40px;
  -webkit-app-region: drag;
  z-index: 1;
}

.window-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  -webkit-app-region: no-drag;
  z-index: 10;
}

.win-btn {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.win-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.win-btn.close:hover {
  background: var(--red-bg);
  color: var(--red);
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  padding-top: 32px;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  display: flex;
  align-items: center;
}

.logo-icon img {
  width: 28px;
  height: 28px;
}

.logo-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  display: block;
}

.logo-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-export {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-export .btn-process {
  padding: 8px 16px;
  font-size: 12px;
}

.header-export .progress-container {
  flex-direction: row;
  gap: 10px;
}

.header-export .progress-bar {
  width: 120px;
}

.tips-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
}

.tips-toggle input {
  width: 14px;
  height: 14px;
  accent-color: var(--theme-accent);
  cursor: pointer;
}

.checklist-mini {
  display: flex;
  flex-direction: row;
  gap: 16px;
}

.check-item {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s;
}

.check-item.active {
  color: var(--green);
}

.check-item span {
  font-size: 8px;
}

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 0 20px 16px 20px;
  gap: 14px;
  overflow-y: auto;
  overflow-x: hidden;
  min-width: 0;
}

/* File Zone */
.file-zone {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.file-zone:hover {
  background: var(--bg-card-hover);
}

.file-zone.drag-over {
  border-color: var(--theme-accent);
  background: rgba(188, 177, 231, 0.05);
}

.file-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.drop-icon {
  font-size: 36px;
  opacity: 0.6;
}

.file-zone p {
  color: var(--text-secondary);
  font-size: 14px;
}

.btn-select {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-select:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.file-types {
  font-size: 12px;
  color: var(--text-muted);
}

/* File Loaded State */
.file-loaded {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.file-info-row {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
}

.file-icon {
  font-size: 24px;
}

.file-details {
  flex: 1;
  text-align: left;
}

.file-name {
  display: block;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-primary);
}

.file-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.dc-offset-badge {
  display: inline-block;
  background: rgba(76, 175, 80, 0.2);
  color: #4CAF50;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 8px;
  vertical-align: middle;
}

.dc-offset-badge.hidden {
  display: none;
}

.btn-change {
  background: var(--bg-card);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-change:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

/* Audio Player */
.audio-player {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

/* Transport Controls */
.transport-btn {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.transport-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  transform: scale(1.05);
}

.transport-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.transport-btn svg {
  flex-shrink: 0;
}

.transport-btn .icon-play,
.transport-btn .icon-pause {
  display: flex;
  align-items: center;
  justify-content: center;
}

#playBtn {
  background: var(--theme-accent);
  color: var(--theme-background);
}

#playBtn:hover:not(:disabled) {
  background: var(--theme-accent);
  filter: brightness(1.15);
}

.time {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 38px;
  font-variant-numeric: tabular-nums;
}

.seek-bar {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  -webkit-appearance: none;
  appearance: none;
  outline: none;
  cursor: pointer;
}

.seek-bar::-webkit-slider-runnable-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

.seek-bar::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--theme-accent);
  border-radius: 50%;
  cursor: pointer;
  margin-top: -4px;
}

.waveform-container {
  width: 100%;
  height: 80px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 6px;
  overflow: hidden;
  cursor: pointer;
}

/* Transport Row */
.transport-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.transport-spacer {
  flex: 1;
}

.time-separator {
  font-size: 12px;
  color: var(--text-muted);
}

.btn-bypass {
  width: auto;
  padding: 0 12px;
  gap: 6px;
}

.btn-bypass .bypass-label {
  font-size: 11px;
  font-weight: 600;
}

.btn-bypass.active {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.btn-bypass.active svg {
  opacity: 0.5;
}

.level-match-container {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  margin-right: 12px;
  user-select: none;
}

.level-match-container:hover {
  color: var(--text-primary);
}

.level-match-container input {
  cursor: pointer;
  accent-color: var(--theme-accent);
}

.hidden {
  display: none !important;
}

/* Settings Grid */
.panel-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex-shrink: 0;
}

.settings-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  overflow: hidden;
  min-height: 120px;
}

.settings-card:hover {
  background: var(--bg-card-hover);
}

.settings-card h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Loudness + EQ Row */
.eq-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  flex: 1;
  min-height: 200px;
}

.loudness-card {
  grid-column: 1;
  display: flex;
  flex-direction: column;
}

.loudness-faders {
  display: flex;
  justify-content: center;
  gap: 16px;
  padding: 12px 0;
  flex: 1;
}

.loudness-toggles {
  border-top: 1px solid var(--border-subtle);
}

.fader-container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eq-section {
  grid-column: 2 / 5;
}

/* Badges for Live vs Export Only */
.live-badge,
.export-badge {
  font-size: 9px;
  font-weight: 500;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.live-badge {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
  display: none;
}

.audio-loaded .live-badge {
  display: inline;
}

.export-badge {
  background: rgba(188, 177, 231, 0.15);
  color: var(--theme-accent);
  border: 1px solid rgba(188, 177, 231, 0.3);
}

/* Toggle Rows */
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-secondary);
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
  transition: color 0.15s;
  gap: 8px;
}

.toggle-row span:first-child {
  flex: 1;
  min-width: 0;
}

.toggle-row:hover {
  color: var(--text-primary);
}

.toggle-row.disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.toggle-row:last-child {
  border-bottom: none;
}

.toggle-row input {
  display: none;
}

.toggle {
  width: 38px;
  height: 20px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  position: relative;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.toggle::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--text-muted);
  border-radius: 50%;
  top: 3px;
  left: 3px;
  transition: all 0.2s ease;
}

.toggle-row input:checked+.toggle {
  background: var(--theme-accent);
}

.toggle-row input:checked+.toggle::after {
  left: 21px;
  background: var(--theme-background);
}

/* Slider Rows */
.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-secondary);
}

.slider-row input[type="range"] {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  -webkit-appearance: none;
  outline: none;
  min-width: 60px;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--theme-accent);
  border-radius: 50%;
  cursor: pointer;
}

.slider-value {
  min-width: 50px;
  text-align: right;
  font-size: 11px;
  color: var(--theme-accent);
  font-weight: 500;
  flex-shrink: 0;
}

/* Select Rows */
.select-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 12px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  gap: 8px;
}

.select-row:last-child {
  border-bottom: none;
}

.select-row select {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
  max-width: 90px;
}

.select-row select option {
  background: #1a1a1a;
  color: var(--text-primary);
  padding: 8px;
}

.select-row select:hover {
  background: rgba(255, 255, 255, 0.08);
}

.select-row select:focus {
  outline: none;
  border-color: var(--theme-accent);
}

/* Process Bar */
.process-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 12px;
  flex-shrink: 0;
}

.progress-container {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-bar {
  flex: 1;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--theme-accent), var(--theme-accent-secondary));
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 2px;
}

#progressText {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 45px;
  font-variant-numeric: tabular-nums;
}

.btn-cancel {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-cancel:hover {
  background: rgba(255, 100, 100, 0.1);
  border-color: rgba(255, 100, 100, 0.5);
  color: #ff6b6b;
}

.btn-process {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.15s ease;
  margin-left: auto;
}

.btn-process:hover:not(:disabled) {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-process:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Status Message */
.status-message {
  text-align: center;
  padding: 12px 16px;
  font-size: 13px;
  border-radius: 10px;
  font-weight: 500;
}

.status-message:empty {
  display: none;
}

.status-message.success {
  background: rgba(8, 8, 8, 0.95);
  color: var(--green);
  border: 1px solid var(--border);
}

.status-message.error {
  background: rgba(8, 8, 8, 0.95);
  color: var(--red);
  border: 1px solid var(--border);
}

/* Tooltip */
.tooltip {
  position: fixed;
  background: #222222;
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 12px;
  max-width: 280px;
  z-index: 10000;
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  line-height: 1.4;
}

.tooltip.visible {
  opacity: 1;
}

/* 5-Band EQ Section */
.eq-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.eq-section h3 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 17px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.eq-bands {
  display: flex;
  justify-content: space-around;
  gap: 8px;
  align-items: flex-start;
  padding: 8px 0 12px;
}

.eq-band {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.eq-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  border-top: 1px solid var(--border-subtle);
  margin-top: 24px;
  padding-top: 12px;
}

.preset-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}

.preset-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--theme-accent);
}

.preset-btn:active {
  transform: scale(0.95);
}

.preset-btn.active {
  background: var(--theme-accent);
  color: var(--theme-background);
  border-color: var(--theme-accent);
}

/* Output Presets */
.output-presets {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

/* Spectrogram Button */
.transport-btn.active {
  color: var(--accent-spring-green);
  border-color: var(--accent-spring-green);
  background: rgba(0, 255, 127, 0.1);
}

.spectrogram-panel {
  transition: height 0.3s ease, margin 0.3s ease;
}

.spectrogram-panel.hidden {
  display: none;
}

.output-preset-btn {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}

.output-preset-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: var(--theme-accent);
}

.output-preset-btn.active {
  background: var(--theme-accent);
  color: var(--theme-background);
  border-color: var(--theme-accent);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(188, 177, 231, 0.4);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(188, 177, 231, 0.6);
}

button {
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

button:active:not(:disabled) {
  transform: scale(0.97);
}

/* Level Meter */
.level-meter {
  position: relative;
  width: 100%;
  padding: 8px 12px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
}

.level-meter canvas {
  width: 100%;
  height: 40px;
  display: block;
  border-radius: 4px;
}

.meter-labels {
  display: flex;
  justify-content: space-between;
  padding: 4px 0 0;
  font-size: 9px;
  color: var(--text-muted);
}

.peak-display {
  display: flex;
  justify-content: space-between;
  margin-top: 6px;
  font-size: 11px;
  font-family: 'Monaco', 'Consolas', monospace;
}

.peak-display span {
  color: var(--text-secondary);
}

.overload-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 4px 12px;
  background: var(--red);
  color: white;
  font-size: 11px;
  font-weight: bold;
  border-radius: 4px;
  animation: blink 0.3s infinite;
  display: none;
  z-index: 10;
}

.overload-indicator.active {
  display: block;
}

@keyframes blink {
  50% {
    opacity: 0.5;
  }
}

/* Loading Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 48px;
  text-align: center;
  min-width: 300px;
}

.modal-spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--theme-accent);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.modal-text {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.modal-progress {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 12px;
}

.modal-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--theme-accent), var(--theme-accent-secondary));
  border-radius: 3px;
  width: 0%;
  transition: width 0.3s ease;
}

.modal-percent {
  font-size: 14px;
  color: var(--text-secondary);
}

#modalCancelBtn {
  margin-top: 16px;
}

/* Info Button & Panel */
.info-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.btn-info {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, background 0.2s;
}

.btn-info:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.info-panel {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 8px;
  background: #1a1a1a;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  min-width: 220px;
  display: none;
  z-index: 1000;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.info-wrapper:hover .info-panel {
  display: block;
}

.info-panel-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.info-panel-content {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.info-panel-content a {
  color: var(--theme-accent);
  text-decoration: none;
}

.info-panel-content a:hover {
  text-decoration: underline;
}

.info-license {
  color: var(--text-muted);
  font-size: 11px;
}

/* Web Version Overrides */
.web-version {
  padding-top: 0;
  max-width: 1280px;
  margin: 0 auto;
  height: auto;
  min-height: auto;
}

.web-version .app-header {
  padding-top: 16px;
}

body {
  overflow: auto;
  height: auto;
  min-height: auto;
}