/* ============================================
   OmitSis Sound Mixer — Professional Dark Theme
   ============================================ */

:root {
  --bg-darkest: #0d0d14;
  --bg-dark: #14141f;
  --bg-mid: #1a1a2e;
  --bg-light: #222240;
  --bg-lighter: #2a2a4a;
  --bg-hover: #333360;
  --border: #2a2a4a;
  --border-light: #3a3a5a;
  --text: #e0e0f0;
  --text-dim: #8888aa;
  --text-muted: #555577;
  --accent: #4a9eff;
  --accent-hover: #6ab4ff;
  --accent-dim: #2a5e9f;
  --green: #4aff8a;
  --green-dim: #2a8f4a;
  --red: #ff4a6a;
  --red-dim: #8f2a3a;
  --yellow: #ffcc4a;
  --yellow-dim: #8f7a2a;
  --orange: #ff8a4a;
  --purple: #aa6aff;
  --waveform: #4a9eff;
  --waveform-bg: #1a1a2e;
  --automation: #ffcc4a;
  --automation-point: #ff8a4a;
  --marker: #ff4a6a;
  --playhead: #ffffff;
  --selection: rgba(74, 158, 255, 0.15);
  --track-height: 120px;
  --controls-width: 220px;
  --ruler-height: 36px;
  --toolbar-height: 48px;
  --font-mono: 'Consolas', 'Monaco', 'Courier New', monospace;
  --font-ui: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

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

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

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

/* ---- Toolbar ---- */
#toolbar {
  display: flex;
  align-items: center;
  gap: 20px;
  height: var(--toolbar-height);
  padding: 0 16px;
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  z-index: 100;
}

#logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-dim);
  white-space: nowrap;
}

.logo-img {
  height: 22px;
  width: auto;
  filter: invert(1);
  opacity: 0.9;
}

#transport {
  display: flex;
  align-items: center;
  gap: 6px;
}

.transport-btn {
  width: 36px;
  height: 32px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-mid);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, border-color 0.15s;
}

.transport-btn:hover {
  background: var(--bg-light);
  border-color: var(--border-light);
}

.transport-btn.active,
.play-btn.playing {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

#time-display {
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 0 8px;
  white-space: nowrap;
}

#current-time {
  color: var(--accent);
  font-weight: 600;
}

.time-sep {
  color: var(--text-muted);
  margin: 0 2px;
}

#total-duration {
  color: var(--text-dim);
}

/* Zoom */
#zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.tool-btn {
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-mid);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.tool-btn:hover {
  background: var(--bg-light);
}

#zoom-level {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  min-width: 44px;
  text-align: center;
}

/* Record button */
.record-btn {
  font-weight: 700 !important;
  letter-spacing: 1px;
}

.record-btn.active {
  background: #6b1a1a !important;
  border-color: var(--red) !important;
  color: var(--red) !important;
  animation: rec-pulse 1s ease-in-out infinite;
}

@keyframes rec-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 74, 106, 0.4); }
  50%      { box-shadow: 0 0 8px 2px rgba(255, 74, 106, 0.6); }
}

/* Toolbar separator */
.toolbar-sep {
  width: 1px;
  height: 24px;
  background: var(--border);
  flex-shrink: 0;
}

/* Project controls */
#project-controls {
  display: flex;
  gap: 4px;
}

/* Master controls */
#master-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-dim);
}

#master-controls label {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 1px;
}

#master-volume {
  width: 100px;
}

#master-db {
  font-family: var(--font-mono);
  font-size: 11px;
  min-width: 50px;
}

/* Snap */
#snap-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-dim);
}

#snap-controls label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

#snap-value {
  background: var(--bg-mid);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 2px 4px;
  font-size: 11px;
}

/* ---- Ruler ---- */
#ruler-area {
  display: flex;
  height: var(--ruler-height);
  background: var(--bg-dark);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#ruler-spacer {
  width: var(--controls-width);
  min-width: var(--controls-width);
  background: var(--bg-dark);
  border-right: 1px solid var(--border);
}

#ruler-scroll-container {
  flex: 1;
  overflow: hidden;
  position: relative;
}

#ruler-canvas {
  display: block;
  width: 100%;
  height: var(--ruler-height);
  cursor: pointer;
}

/* ---- Workspace ---- */
#workspace {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: var(--bg-darkest);
}

#tracks-scroll {
  min-height: 100%;
}

#tracks-container {
  display: flex;
  flex-direction: column;
}

/* Empty State */
#empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  text-align: center;
  color: var(--text-dim);
}

#empty-state.hidden {
  display: none;
}

.empty-icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

#empty-state h2 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
}

#empty-state p {
  font-size: 13px;
  margin-bottom: 20px;
}

/* ---- Track Row ---- */
.track-row {
  display: flex;
  height: var(--track-height);
  border-bottom: 1px solid var(--border);
  background: var(--bg-dark);
  transition: background 0.15s;
}

.track-row:hover {
  background: var(--bg-mid);
}

.track-row.dragging {
  opacity: 0.9;
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  border-radius: 4px;
  pointer-events: none;
}

.track-row-placeholder {
  background: var(--accent-dim);
  opacity: 0.3;
  border: 2px dashed var(--accent);
  border-radius: 4px;
  box-sizing: border-box;
}

/* Drag handle */
.track-drag-handle {
  width: 20px;
  min-width: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  color: var(--text-muted);
  font-size: 16px;
  user-select: none;
  border-right: 1px solid var(--border);
  background: var(--bg-darkest);
  transition: color 0.15s, background 0.15s;
}

.track-drag-handle:hover {
  color: var(--text);
  background: var(--bg-light);
}

.track-drag-handle:active {
  cursor: grabbing;
  color: var(--accent);
}

.track-row.muted {
  opacity: 0.5;
}

.track-row.solo-active {
  background: var(--bg-mid);
  box-shadow: inset 3px 0 0 var(--yellow);
}

/* Track Controls */
.track-controls {
  width: var(--controls-width);
  min-width: var(--controls-width);
  padding: 6px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  border-right: 1px solid var(--border);
  background: var(--bg-dark);
  position: relative;
}

.track-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.track-name {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  padding: 2px 4px;
  width: 120px;
  outline: none;
}

.track-name:focus {
  border-color: var(--accent);
  background: var(--bg-mid);
}

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

.track-buttons {
  display: flex;
  gap: 4px;
  align-items: center;
}

.btn-mute,
.btn-solo,
.btn-fx,
.btn-automation,
.btn-remove-track {
  height: 22px;
  padding: 0 8px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-mid);
  color: var(--text-dim);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.15s;
}

.btn-mute:hover { border-color: var(--red); color: var(--red); }
.btn-solo:hover { border-color: var(--yellow); color: var(--yellow); }
.btn-fx:hover { border-color: var(--purple); color: var(--purple); }
.btn-automation:hover { border-color: var(--automation); color: var(--automation); }

.btn-mute.active { background: var(--red-dim); border-color: var(--red); color: var(--red); }
.btn-solo.active { background: var(--yellow-dim); border-color: var(--yellow); color: var(--yellow); }
.btn-fx.active { background: #3a2a5f; border-color: var(--purple); color: var(--purple); }
.btn-automation.active { background: #3f3a1a; border-color: var(--automation); color: var(--automation); }

.btn-remove-track {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 18px;
  height: 18px;
  padding: 0;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.track-row:hover .btn-remove-track {
  opacity: 1;
}

.btn-remove-track:hover {
  background: var(--red-dim);
  border-color: var(--red);
  color: var(--red);
}

/* Track Faders */
.track-fader,
.track-pan {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  color: var(--text-dim);
}

.track-fader label,
.track-pan label {
  width: 26px;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 0.5px;
}

.volume-slider {
  flex: 1;
  height: 4px;
}

.pan-slider {
  flex: 1;
  height: 4px;
}

.volume-db,
.pan-value {
  font-family: var(--font-mono);
  font-size: 10px;
  min-width: 38px;
  text-align: right;
}

/* Track Timeline */
.track-timeline {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  cursor: grab;
}

.track-timeline:active {
  cursor: grabbing;
}

.track-canvas {
  display: block;
  width: 100%;
  height: var(--track-height);
}

/* ---- Add Track Bar ---- */
#add-track-bar {
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-dark);
  flex-shrink: 0;
}

#add-track-bar.hidden {
  display: none;
}

/* ---- Buttons ---- */
.primary-btn {
  padding: 8px 20px;
  border: 1px solid var(--accent);
  border-radius: 5px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.primary-btn:hover:not(:disabled) {
  background: var(--accent);
  color: var(--bg-darkest);
}

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

.secondary-btn {
  padding: 8px 20px;
  border: 1px solid var(--border);
  border-radius: 5px;
  background: var(--bg-mid);
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.secondary-btn:hover:not(:disabled) {
  background: var(--bg-light);
  color: var(--text);
}

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

.small-btn {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: var(--bg-mid);
  color: var(--text-dim);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}

.small-btn:hover {
  background: var(--bg-light);
  color: var(--text);
}

.close-btn {
  width: 28px;
  height: 28px;
  border: none;
  border-radius: 4px;
  background: transparent;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ---- Panel Resize Handle ---- */
#panel-resize-handle {
  height: 6px;
  background: var(--bg-mid);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  cursor: ns-resize;
  flex-shrink: 0;
  position: relative;
  z-index: 50;
  transition: background 0.15s;
}

#panel-resize-handle:hover,
#panel-resize-handle.dragging {
  background: var(--accent-dim);
  border-color: var(--accent);
}

#panel-resize-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 32px;
  height: 2px;
  background: var(--text-muted);
  border-radius: 1px;
}

/* ---- Bottom Panels ---- */
#bottom-panels {
  display: flex;
  height: 200px;
  min-height: 60px;
  max-height: 70vh;
  border-top: none;
  flex-shrink: 0;
}

.panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-dark);
  overflow: hidden;
}

.panel + .panel {
  border-left: 1px solid var(--border);
}

/* View tabs (Pistes / Escenari) */
#view-controls {
  display: flex;
  gap: 2px;
  align-items: center;
}

.view-tab {
  padding: 4px 12px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.view-tab:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.view-tab.active {
  color: #fff;
  background: var(--accent-dim);
  border-color: var(--accent);
}

/* Stage view */
#tracks-view {
  width: 100%;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
}

#stage-view {
  position: absolute;
  inset: 0;
  background: var(--bg-darkest);
}

#stage-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-mid);
  border-bottom: 1px solid var(--border);
}

.panel-header h3 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

/* ---- Markers Panel ---- */
#markers-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.no-markers,
.no-songs {
  text-align: center;
  color: var(--text-muted);
  font-size: 12px;
  padding: 20px;
}

.marker-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background 0.15s;
  cursor: pointer;
}

.marker-item:hover {
  background: var(--bg-light);
}

.marker-color {
  width: 4px;
  height: 24px;
  border-radius: 2px;
  background: var(--marker);
  flex-shrink: 0;
}

.marker-name {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 3px;
  color: var(--text);
  font-size: 12px;
  padding: 2px 6px;
  flex: 1;
  min-width: 0;
  outline: none;
}

.marker-name:focus {
  border-color: var(--accent);
  background: var(--bg-mid);
}

.marker-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
}

.marker-delete {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 3px;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.15s;
}

.marker-item:hover .marker-delete {
  opacity: 1;
}

.marker-delete:hover {
  background: var(--red-dim);
  color: var(--red);
}

/* ---- Export Panel ---- */
#export-settings {
  display: flex;
  gap: 16px;
  padding: 8px 12px;
  font-size: 12px;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

#export-settings label {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-dim);
}

#export-settings select,
#export-settings input[type="number"] {
  background: var(--bg-mid);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 3px 6px;
  font-size: 12px;
  width: 70px;
}

#export-songs {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.export-song-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.export-song-item:hover {
  background: var(--bg-light);
}

.song-number {
  font-weight: 700;
  color: var(--accent);
  min-width: 24px;
}

.song-name {
  flex: 1;
  color: var(--text);
}

.song-duration {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}

.btn-export-song {
  padding: 3px 10px;
  border: 1px solid var(--accent-dim);
  border-radius: 3px;
  background: transparent;
  color: var(--accent);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-export-song:hover {
  background: var(--accent-dim);
}

#export-actions {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
}

#export-progress {
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

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

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 0.3s;
  width: 0%;
}

.progress-text {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
}

/* ---- Modal ---- */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

.modal-content {
  position: relative;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  width: 480px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  font-size: 14px;
  font-weight: 600;
}

.modal-body {
  padding: 16px;
}

/* FX Sections */
.fx-section {
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg-mid);
  border-radius: 6px;
}

.fx-section h4 {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  margin-bottom: 10px;
}

.fx-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.fx-row label {
  width: 80px;
  font-size: 11px;
  color: var(--text-dim);
}

.fx-row input[type="range"] {
  flex: 1;
}

.fx-value {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text);
  min-width: 56px;
  text-align: right;
}

.fx-actions {
  text-align: center;
  margin-top: 8px;
}

/* ---- Mode Indicator ---- */
.mode-indicator {
  position: fixed;
  bottom: 210px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--yellow-dim);
  border: 1px solid var(--yellow);
  border-radius: 6px;
  padding: 8px 20px;
  font-size: 12px;
  font-weight: 600;
  color: var(--yellow);
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 200;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.mode-title {
  font-weight: 700;
}

.mode-help {
  font-weight: 400;
  opacity: 0.75;
  font-size: 11px;
}

.mode-indicator[hidden] {
  display: none;
}

/* ---- Range Input Styling ---- */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bg-lighter);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-dark);
  cursor: pointer;
  transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-dark);
  cursor: pointer;
}

/* Checkbox */
input[type="checkbox"] {
  accent-color: var(--accent);
}

/* ---- Scrollbar ---- */
::-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);
}

/* Tracks area scrollbar — more visible */
#tracks-view::-webkit-scrollbar {
  width: 10px;
}

#tracks-view::-webkit-scrollbar-thumb {
  background: var(--accent-dim);
  border-radius: 5px;
  border: 2px solid var(--bg-darkest);
}

#tracks-view::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

/* ---- Drag Over State ---- */
#app.drag-over #empty-state,
#app.drag-over #workspace {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
  background: var(--selection);
}

/* ---- Loading overlay ---- */
.track-loading {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(13, 13, 20, 0.8);
  color: var(--text-dim);
  font-size: 12px;
  z-index: 10;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  :root {
    --controls-width: 160px;
    --track-height: 100px;
  }

  #toolbar {
    flex-wrap: wrap;
    height: auto;
    padding: 8px;
    gap: 8px;
  }

  #bottom-panels {
    flex-direction: column;
    height: 300px;
  }

  .panel + .panel {
    border-left: none;
    border-top: 1px solid var(--border);
  }
}