/* HiChord Companion - Dashboard UI */

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

:root {
  /* Modern minimal palette */
  --bg: #0C0C0D;
  --surface: #161618;
  --surface-elevated: #1C1C1E;
  --border: #252527;
  --text: #E8E8E8;
  --text-secondary: #9C9C9E;
  --text-tertiary: #626264;

  /* Accent - vibrant but refined */
  --accent: #5E97FF;
  --accent-bright: #7AADFF;
  --accent-dim: rgba(94, 151, 255, 0.12);
  --accent-rgb: 94, 151, 255;

  /* Semantic colors */
  --success: #52C97C;
  --warning: #FFB84D;
  --error: #FF5C5C;

  /* Typography */
  --font-system: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;

  /* Spacing & timing */
  --radius: 8px;
  --radius-sm: 4px;
  --transition: 200ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
}

/* Light Theme */
body.light-theme {
  --bg: #FAFAFA;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --border: #E4E4E5;
  --text: #1C1C1E;
  --text-secondary: #626264;
  --text-tertiary: #9C9C9E;
  --accent: #0066CC;
  --accent-bright: #0052A3;
  --accent-dim: rgba(0, 102, 204, 0.08);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.08);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
}

/* Global HiChord Navigation */
.hichord-global-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 48px;
  background: #0A0A0A;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  z-index: 10000;
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'SF Pro Display', 'Segoe UI', sans-serif;
}

.hichord-global-nav a {
  color: #FAFAFA;
  text-decoration: none;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  transition: all 0.2s ease;
  padding: 4px 12px;
  border-radius: 3px;
}

.hichord-global-nav a:hover {
  color: #FF6B35;
  background: rgba(255, 255, 255, 0.05);
}

.hichord-global-nav a.active {
  color: #FF6B35;
  background: rgba(255, 107, 53, 0.1);
}

.hichord-global-nav .nav-home {
  font-weight: 600;
  margin-right: 8px;
  padding-right: 20px;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}

/* Mobile responsive */
@media (max-width: 768px) {
  .hichord-global-nav {
    gap: 16px;
    padding: 0 12px;
    justify-content: space-between;
  }

  .hichord-global-nav a {
    font-size: 9px;
    padding: 3px 8px;
    letter-spacing: 0.8px;
  }

  .hichord-global-nav .nav-home {
    margin-right: 4px;
    padding-right: 12px;
  }
}

body {
  font-family: var(--font-system);
  background: var(--bg);
  color: var(--text);
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  overflow-y: auto;
  padding-top: 48px; /* Account for fixed global nav */
}

.dashboard {
  max-width: 1600px;
  margin: 0 auto;
  padding: 12px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.dash-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.logo-text {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text);
}

.logo-tm {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tertiary);
  margin-left: 2px;
}

.logo-subtitle {
  font-size: 7px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  margin-top: 2px;
}

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

/* Theme Toggle Button */
.btn-theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  width: 36px;
  height: 36px;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-theme-toggle:hover {
  background: var(--border);
  border-color: var(--accent);
}

.theme-icon {
  font-size: 18px;
  line-height: 1;
}

.preset-controls-header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preset-slot-toggle {
  display: flex;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 3px;
}

.slot-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.slot-toggle-btn:hover {
  color: var(--text);
}

.slot-toggle-btn.active {
  background: var(--accent);
  color: var(--text);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.4);
}

.btn-preset-action {
  background: var(--border);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 14px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-preset-action:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-1px);
}

.btn-preset-action.btn-save-preset {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-preset-action.btn-save-preset:hover {
  background: var(--accent);
  color: var(--text);
}

.connection-zone {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-connect {
  background: var(--accent);
  color: var(--text);
  border: none;
  padding: 8px 18px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--transition);
}

.btn-connect:hover:not(:disabled) {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.btn-connect:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: all var(--transition);
}

.status-indicator.connected {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.status-text {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.status-indicator.connected ~ .status-text {
  color: var(--success);
}

/* Dashboard Grid - Two Column Layout */
.dash-grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 12px;
  flex: 1;
  align-content: start;
  max-height: calc(100vh - 100px);
  overflow: hidden;
}

.dash-column {
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
}

.dash-column-left {
  max-height: calc(100vh - 100px);
}

.dash-column-right {
  max-height: calc(100vh - 100px);
}

/* Cards */
.dash-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}

.dash-card:hover {
  border-color: var(--text-tertiary);
}

.card-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

/* BPM Card */
.bpm-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 6px;
  margin-bottom: 12px;
}

.bpm-value {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  color: var(--text);
  text-shadow: 0 0 16px rgba(var(--accent-rgb), 0.2);
}

.bpm-unit {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

.bpm-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-bpm {
  background: var(--border);
  border: 1px solid var(--border);
  color: var(--text);
  width: 32px;
  height: 32px;
  border-radius: 2px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-bpm:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.bpm-slider {
  flex: 1;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  outline: none;
  border-radius: 2px;
  cursor: pointer;
}

.bpm-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.bpm-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.bpm-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}


/* Preset Card */
.preset-selector-btn {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 12px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
}

.preset-selector-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.preset-icon-display canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.preset-name {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-align: left;
  color: var(--text);
}

.preset-arrow {
  font-size: 10px;
  color: var(--text-tertiary);
}

/* Octave Compact */
.octave-grid-compact {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.octave-btn-compact {
  background: var(--border);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 4px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.octave-btn-compact:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--text);
}

.octave-btn-compact.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.3);
}

/* Mode Selector */
.mode-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.mode-btn {
  background: var(--border);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 4px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.mode-btn:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--text);
}

.mode-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.3);
}

/* Key Card */
.key-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 5px;
}

.key-btn {
  background: var(--border);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 10px 4px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.key-btn:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--text);
}

.key-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text);
  box-shadow: 0 0 12px rgba(var(--accent-rgb), 0.3);
}

/* Joystick Card */
.joystick-switcher-compact {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}

.joy-mode-btn-compact {
  flex: 1;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.joy-mode-btn-compact:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.joy-mode-btn-compact.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* Joystick Diagram - 3x3 Grid */
.joystick-diagram-compact {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: linear-gradient(145deg, var(--surface), rgba(39, 49, 68, 0.6));
  border: 1px solid rgba(255, 107, 53, 0.1);
  border-radius: 3px;
  padding: 8px;
}

.joy-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.joy-cell {
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--text-secondary);
  text-align: center;
  transition: all var(--transition);
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.joy-center-cell {
  background: rgba(255, 107, 53, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  font-size: 8px;
}

/* Activity Log Card */
.activity-log {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  line-height: 1.4;
  max-height: 150px;
  overflow-y: auto;
  flex: 1;
}

.activity-item {
  padding: 5px 8px;
  background: var(--surface);
  border-left: 2px solid var(--border);
  border-radius: 2px;
}

.activity-item.activity-info {
  border-left-color: var(--text-tertiary);
  color: var(--text-secondary);
}

.activity-item.activity-success {
  border-left-color: var(--success);
  color: var(--success);
}

.activity-item.activity-send {
  border-left-color: var(--accent);
  color: var(--accent);
}

.activity-item.activity-receive {
  border-left-color: #FFB800;
  color: #FFB800;
}

.activity-time {
  color: var(--text-tertiary);
  margin-right: 6px;
}

/* User Presets Card */
.card-user-presets {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2px;
}

.preset-slot-selector {
  display: flex;
  gap: 6px;
}

.preset-slot-btn {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.preset-slot-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
}

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

/* Preset Tabs */
.preset-tabs {
  display: flex;
  gap: 6px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

.preset-tab {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 6px 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.preset-tab:hover {
  color: var(--text);
  border-bottom-color: var(--text-tertiary);
}

.preset-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Tab Content */
.preset-tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
}

.preset-tab-content.active {
  display: flex;
  flex-direction: column;
}

/* Manual Mode Indicator */
.manual-mode-indicator {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(255, 184, 0, 0.15);
  border: 1px solid #FFB800;
  border-radius: 2px;
  margin-bottom: 10px;
}

.manual-mode-icon {
  font-size: 14px;
  color: #FFB800;
}

.manual-mode-text {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: #FFB800;
  text-transform: uppercase;
}

/* Oscillator Grid - Voice Groups */
.osc-grid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.voice-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px;
}

.voice-label {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 6px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.voice-oscs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.osc-slot {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 80px;
}

.osc-slot:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.osc-slot-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.osc-slot-number {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  color: var(--text-tertiary);
  letter-spacing: 0.1em;
}

.osc-slot-icon {
  width: 48px;
  height: 16px;
  border-radius: 2px;
  border: 1px solid var(--border);
  align-self: center;
  margin: 4px 0;
}

.osc-slot-type {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--text);
}

.osc-slot-source {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-secondary);
}

.osc-slot-params {
  font-family: var(--font-mono);
  font-size: 7px;
  color: var(--text-tertiary);
  display: flex;
  justify-content: space-between;
}

/* Global Settings */
.global-settings {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.param-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
}

.param-group-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}

.param-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.param-control {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.param-label {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.param-slider {
  width: 100%;
  height: 3px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  outline: none;
  border-radius: 2px;
  cursor: pointer;
}

.param-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.param-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.param-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.param-value {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
}

/* Preset & Sample Row - Inline Layout */
.preset-sample-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.preset-section-compact {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sample-section-compact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  min-width: 80px;
}

.sample-btn {
  width: 48px;
  height: 48px;
  background: var(--accent);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.sample-btn:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.sample-icon {
  font-size: 20px;
  color: var(--bg);
  font-weight: bold;
}

.sample-status-compact {
  display: flex;
  align-items: center;
  justify-content: center;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: all 0.3s;
}

.sample-status-compact.uploaded .status-dot {
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}

/* Remove Sample Button - Redesigned */
.btn-remove-sample {
  width: 100%;
  padding: 10px;
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  border-radius: 4px;
  color: #e74c3c;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
  margin-top: 8px;
}

.btn-remove-sample:hover {
  background: #e74c3c;
  border-color: #e74c3c;
  color: white;
  transform: translateY(-1px);
}

/* Waveform Selector Section - Legacy (can be removed if not used) */
.waveform-selector-section {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

/* Preset Slot Controls */
.preset-slot-controls {
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.preset-slot-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.slot-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.slot-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.btn-slot-action {
  background: var(--border);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-slot-action:hover {
  background: var(--surface);
  border-color: var(--accent);
  transform: translateY(-1px);
}

.btn-slot-action.btn-save {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.btn-slot-action.btn-save:hover {
  background: var(--accent);
  color: var(--text);
}

/* Unified Preset Layout */
.preset-unified-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 12px;
  margin-top: 12px;
}

.preset-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}

.preset-global {
  overflow-y: auto;
  max-height: 600px;
}

.preset-oscillators {
  overflow-y: auto;
  max-height: 600px;
}

/* Bass Mode Selector */
.bass-mode-selector {
  display: flex;
  gap: 6px;
}

.bass-mode-btn {
  flex: 1;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 6px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.bass-mode-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
  color: var(--text);
}

.bass-mode-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* Delay Rate Select */
.param-select-sm {
  flex: 1;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 6px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  transition: all var(--transition);
}

.param-select-sm:hover {
  border-color: var(--accent);
}

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

/* Preset Modal */
.preset-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.preset-modal.active {
  display: flex;
}

.preset-modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  max-width: 600px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

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

.preset-modal-header h2 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.preset-modal-close {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.preset-modal-close:hover {
  color: var(--accent);
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  padding: 16px;
  overflow-y: auto;
}

.preset-item {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px 8px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.preset-item:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.preset-item.active {
  border-color: var(--accent);
  background: var(--accent-dim);
}

.preset-item-icon {
  width: 48px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.preset-item-icon canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

.preset-item-name {
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-align: center;
}

.preset-item:hover .preset-item-name,
.preset-item.active .preset-item-name {
  color: var(--text);
}

/* Oscillator Editor Modal */
.osc-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(4px);
  z-index: 1001;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.osc-modal.active {
  display: flex;
}

.osc-modal-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

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

.osc-modal-header h2 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.osc-modal-close {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.osc-modal-close:hover {
  color: var(--accent);
}

.osc-modal-body {
  padding: 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Oscillator Source Selector */
.osc-source-selector {
  display: flex;
  gap: 8px;
}

.osc-source-btn {
  flex: 1;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.osc-source-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.osc-source-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* Oscillator Source Content */
.osc-source-content {
  display: none;
}

.osc-source-content.active {
  display: block;
}

/* Waveform Grid */
.osc-waveform-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.osc-waveform-btn {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.osc-waveform-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
  color: var(--text);
}

.osc-waveform-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* Sample Grid */
.osc-sample-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.osc-sample-btn {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
}

.osc-sample-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
  color: var(--text);
}

.osc-sample-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* Noise Grid */
.osc-noise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.osc-noise-btn {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 12px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
}

.osc-noise-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
  color: var(--text);
}

.osc-noise-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* FM Synth Grid */
.osc-fm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px;
}

.osc-fm-btn {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--text-secondary);
}

.osc-fm-btn:hover {
  border-color: var(--accent);
  background: var(--surface);
  color: var(--text);
}

.osc-fm-btn.active {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent);
}

/* Oscillator Controls */
.osc-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.osc-control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.osc-control-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.osc-slider {
  width: 100%;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  outline: none;
  border-radius: 2px;
  cursor: pointer;
}

.osc-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.osc-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.osc-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.osc-slider-value {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--text);
  text-align: center;
}

.btn-apply-osc {
  width: 100%;
  background: var(--accent);
  color: var(--text);
  border: none;
  padding: 12px;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
}

.btn-apply-osc:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

/* Footer */
.dash-footer {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 8px;
}

.footer-links {
  display: flex;
  gap: 12px;
}

.footer-links a {
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  text-decoration: none;
  text-transform: uppercase;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--accent);
}

.footer-info {
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

/* Scrollbar Styling */
.dash-column::-webkit-scrollbar,
.activity-log::-webkit-scrollbar,
.preset-tab-content::-webkit-scrollbar,
.preset-grid::-webkit-scrollbar,
.osc-modal-body::-webkit-scrollbar {
  width: 6px;
}

.dash-column::-webkit-scrollbar-track,
.activity-log::-webkit-scrollbar-track,
.preset-tab-content::-webkit-scrollbar-track,
.preset-grid::-webkit-scrollbar-track,
.osc-modal-body::-webkit-scrollbar-track {
  background: var(--surface);
}

.dash-column::-webkit-scrollbar-thumb,
.activity-log::-webkit-scrollbar-thumb,
.preset-tab-content::-webkit-scrollbar-thumb,
.preset-grid::-webkit-scrollbar-thumb,
.osc-modal-body::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.dash-column::-webkit-scrollbar-thumb:hover,
.activity-log::-webkit-scrollbar-thumb:hover,
.preset-tab-content::-webkit-scrollbar-thumb:hover,
.preset-grid::-webkit-scrollbar-thumb:hover,
.osc-modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ADSR Visual Graph */
.adsr-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
}

.adsr-visual {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#adsrCanvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: crisp-edges;
}

.adsr-controls {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

/* Effects with Toggles */
.effect-control {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 10px;
  margin-bottom: 8px;
  transition: all var(--transition);
}

.effect-control:hover {
  border-color: var(--text-tertiary);
}

.effect-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.effect-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.effect-toggle {
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 10px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.effect-toggle:hover {
  border-color: var(--accent);
}

.effect-toggle[data-enabled="true"] {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}

.toggle-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-tertiary);
  transition: all var(--transition);
}

.effect-toggle[data-enabled="true"] .toggle-indicator {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}

.effect-params {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.param-control-inline {
  display: flex;
  align-items: center;
  gap: 8px;
}

.param-label-sm {
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-tertiary);
  text-transform: uppercase;
  min-width: 60px;
}

.param-slider-sm {
  flex: 1;
  height: 3px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--border);
  outline: none;
  border-radius: 2px;
  cursor: pointer;
}

.param-slider-sm::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.param-slider-sm::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.param-slider-sm::-moz-range-thumb {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border: 2px solid var(--text);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--transition);
}

.param-value-sm {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  color: var(--text);
  min-width: 30px;
  text-align: right;
}

/* Responsive */
@media (max-width: 1200px) {
  .dash-grid {
    grid-template-columns: 1fr;
  }

  .preset-unified-layout {
    grid-template-columns: 1fr;
  }

  .adsr-controls {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  /* Layout adjustments */
  .dash-grid {
    grid-template-columns: 1fr !important;
    max-height: none !important;
  }

  .dash-column {
    max-height: none !important;
  }

  /* Key grid */
  .key-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  /* Preset grid */
  .preset-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Parameter controls */
  .param-grid {
    grid-template-columns: 1fr;
  }

  .adsr-controls {
    grid-template-columns: 1fr;
  }

  .preset-slot-actions {
    grid-template-columns: 1fr;
  }

  /* Touch-friendly buttons */
  .preset-selector-btn {
    padding: 16px !important;
    min-height: 60px !important;
  }

  .btn-preset-action {
    padding: 10px 18px !important;
    font-size: 11px !important;
  }

  /* Sliders easier to use */
  .param-slider, .param-slider-sm {
    height: 6px !important;
  }

  .param-slider::-webkit-slider-thumb,
  .param-slider-sm::-webkit-slider-thumb {
    width: 20px !important;
    height: 20px !important;
  }

  .param-slider::-moz-range-thumb,
  .param-slider-sm::-moz-range-thumb {
    width: 20px !important;
    height: 20px !important;
  }

  /* Modals take more space */
  .preset-modal-content,
  .osc-modal-content {
    max-width: 95% !important;
    margin: 10px !important;
  }

  /* Upload controls */
  .sample-btn-large {
    padding: 16px !important;
    font-size: 13px !important;
  }

  .upload-note-select {
    padding: 12px !important;
    font-size: 14px !important;
  }

  /* Joystick diagram */
  .joy-cell {
    padding: 14px 6px !important;
    font-size: 10px !important;
    min-height: 50px !important;
  }

  /* Activity log larger */
  .activity-log {
    font-size: 11px !important;
    max-height: 200px !important;
  }

  /* Footer stack */
  .dash-footer {
    flex-direction: column !important;
    text-align: center !important;
    gap: 8px !important;
  }
}

@media (max-width: 480px) {
  /* Very small phones */
  .dashboard {
    padding: 6px !important;
  }

  /* Smaller font in logo */
  .logo-text {
    font-size: 16px !important;
  }

  .logo-subtitle {
    font-size: 6px !important;
  }

  /* BPM display smaller */
  .bpm-value {
    font-size: 32px !important;
  }

  /* Key buttons more compact */
  .key-btn {
    padding: 12px 2px !important;
    font-size: 11px !important;
  }

  /* Mode buttons */
  .mode-btn {
    padding: 12px 4px !important;
    font-size: 10px !important;
  }

  /* Octave buttons */
  .octave-btn-compact {
    padding: 12px 4px !important;
  }

  /* Joystick mode buttons stack */
  .joystick-switcher-compact {
    flex-direction: column !important;
  }

  .joy-mode-btn-compact {
    width: 100% !important;
  }

  /* Preset grid 2 columns only */
  .preset-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Oscillator grids */
  .osc-waveform-grid,
  .osc-sample-grid,
  .osc-noise-grid,
  .osc-fm-grid {
    grid-template-columns: 1fr !important;
  }

  /* Sample options */
  .ai-input-group-compact {
    gap: 10px !important;
  }

  .ai-text-input {
    font-size: 14px !important;
    padding: 12px !important;
  }

  .btn-generate-sound {
    padding: 12px !important;
    font-size: 13px !important;
  }

  /* Chord visualizer grid */
  .chord-viz-grid {
    grid-template-columns: 1fr !important;
  }

  /* Effect params inline */
  .param-control-inline {
    flex-wrap: wrap !important;
  }

  .param-label-sm {
    flex: 1 1 100% !important;
    margin-bottom: 4px !important;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  /* Increase all interactive elements for touch */
  button,
  input[type="range"],
  select {
    min-height: 44px !important;
  }

  /* Remove hover effects on touch devices */
  .btn-bpm:hover,
  .key-btn:hover,
  .mode-btn:hover,
  .preset-selector-btn:hover,
  .effect-toggle:hover {
    transform: none !important;
  }

  /* Larger tap targets */
  .osc-slot {
    min-height: 100px !important;
    padding: 14px !important;
  }

  .voice-card {
    padding: 16px !important;
  }
}

/* ====== CHORD VISUALIZER ====== */
.chord-visualizer-section {
  margin-top: 12px;
  margin-bottom: 12px;
}

.chord-viz-header {
  margin-bottom: 12px;
  text-align: center;
  padding: 8px 16px;
  background: var(--border);
  border-left: 3px solid var(--accent);
}

.chord-info-display {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
}

.chord-name-display {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.chord-notes-display {
  font-size: 11px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  letter-spacing: 1px;
}

/* Chord Visualizer Grid */
.chord-viz-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.chord-viz-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.viz-panel-label {
  position: absolute;
  top: 8px;
  left: 10px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-transform: uppercase;
  z-index: 10;
  background: rgba(10, 10, 10, 0.85);
  padding: 3px 8px;
  border-radius: 2px;
  border: 1px solid var(--border);
}

body.light-theme .viz-panel-label {
  background: rgba(255, 255, 255, 0.9);
  color: var(--accent);
}

.chord-viz-panel canvas {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== SAMPLE UPLOAD ========== */

.card-sample-upload {
  background: var(--card-bg);
  padding: 16px;
}

.sample-upload-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sample-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  background: var(--surface);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sample-status-icon {
  font-size: 16px;
  color: var(--text-secondary);
}

.sample-status-text {
  color: var(--text-secondary);
}

.btn-sample-upload,
.btn-sample-confirm,
.btn-sample-cancel,
.btn-sample-delete {
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn-sample-upload {
  background: var(--accent);
  color: var(--bg);
}

.btn-sample-upload:hover {
  background: var(--accent-bright);
  transform: translateY(-1px);
}

.upload-icon {
  font-size: 14px;
}

.sample-upload-settings {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  background: var(--surface);
  border-radius: 4px;
  margin-bottom: 12px;
  border: 1px solid var(--border);
}

.upload-actions {
  display: flex;
  gap: 8px;
}

.upload-setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.upload-setting-label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.upload-note-select {
  padding: 8px 10px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--text-tertiary);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}

.upload-note-select:hover {
  border-color: var(--accent);
}

.upload-note-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(var(--accent-rgb), 0.1);
}

.btn-sample-confirm {
  background: var(--accent);
  color: var(--bg);
}

.btn-sample-confirm:hover {
  background: var(--accent-bright);
}

.btn-sample-cancel {
  background: var(--text-tertiary);
  color: var(--text);
}

.btn-sample-cancel:hover {
  background: var(--text-secondary);
}

.btn-sample-delete {
  background: #e74c3c;
  color: white;
}

.btn-sample-delete:hover {
  background: #c0392b;
}

.sample-upload-progress {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--surface);
  border-radius: 4px;
}

.progress-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  text-align: center;
}

.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width 0.3s;
}

.progress-percent {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-align: center;
}

/* User sample button in oscillator editor */
.osc-sample-user:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.osc-sample-user:not(:disabled) {
  border: 2px solid var(--accent);
  color: var(--accent);
}

.osc-sample-user:not(:disabled):hover {
  background: var(--accent);
  color: var(--bg);
}

/* ========== SAMPLE OPTIONS SECTIONS ========== */

.sample-options-header {
  margin: 20px 0 12px 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.sample-options-description {
  margin-top: 8px;
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.8;
  line-height: 1.4;
}

/* Side-by-side layout */
.sample-options-row {
  display: flex;
  gap: 12px;
  margin: 12px 0;
}

.sample-option-card {
  flex: 1;
  padding: 14px;
  background: var(--surface);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: all 0.2s;
}

.sample-option-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

/* AI Sample Card - Orange Theme */
.ai-sample-card {
  background: rgba(255, 140, 66, 0.05);
  border: 1px solid rgba(255, 140, 66, 0.2);
}

.ai-sample-card:hover {
  border-color: rgba(255, 140, 66, 0.3);
}

.sample-option-header {
  margin-bottom: 10px;
}

.sample-option-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text);
}

.ai-sample-card .sample-option-title {
  color: #ff8c42;
}

.sample-option-content {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Large Upload Button */
.sample-btn-large {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: 4px;
  color: var(--text);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
}

.sample-btn-large:hover {
  background: var(--surface);
  border-color: var(--accent);
  color: var(--accent);
}

.sample-icon-large {
  font-size: 16px;
}

/* ========== AI SAMPLE GENERATION ========== */

.ai-sample-section {
  margin: 16px 0;
  padding: 16px;
  background: var(--surface);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.ai-sample-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.ai-config-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}

.ai-config-btn:hover {
  background: var(--surface);
  color: var(--text);
  border-color: var(--accent);
}

/* API Key Configuration Panel */

.ai-config-panel {
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.ai-config-group {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}

.ai-config-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.ai-api-key-input {
  flex: 1;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 12px;
}

.ai-api-key-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg);
}

.btn-save-api-key {
  padding: 8px 16px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: 4px;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-save-api-key:hover {
  background: var(--text);
  transform: translateY(-1px);
}

.ai-config-help {
  font-size: 10px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.ai-config-help a {
  color: var(--accent);
  text-decoration: none;
}

.ai-config-help a:hover {
  text-decoration: underline;
}

/* AI Generation Panel */

.ai-generation-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Compact AI input for side-by-side layout */
.ai-input-group-compact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ai-text-input {
  width: 100%;
  padding: 10px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.ai-text-input:focus {
  outline: none;
  border-color: #ff8c42;
  background: var(--surface);
}

.ai-text-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.5;
}

.btn-generate-sound {
  width: 100%;
  padding: 10px;
  background: #ff8c42;
  color: var(--bg);
  border: none;
  border-radius: 4px;
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-generate-sound:hover:not(:disabled) {
  background: #ff9f5f;
}

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

/* Small API Config Button */
.ai-config-btn-small {
  align-self: flex-start;
  padding: 4px 8px;
  background: rgba(255, 140, 66, 0.1);
  border: 1px solid rgba(255, 140, 66, 0.3);
  border-radius: 3px;
  color: #ff8c42;
  font-size: 9px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.ai-config-btn-small:hover {
  background: rgba(255, 140, 66, 0.2);
  border-color: rgba(255, 140, 66, 0.5);
}

/* Inline API Config Panel */
.ai-config-panel-inline {
  display: flex;
  gap: 8px;
  padding: 10px;
  background: rgba(255, 140, 66, 0.05);
  border: 1px solid rgba(255, 140, 66, 0.2);
  border-radius: 4px;
}

/* Generation Status */

.ai-generation-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.ai-status-text {
  font-size: 11px;
  font-weight: 600;
  color: #ff8c42;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ai-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 140, 66, 0.2);
  border-top-color: #ff8c42;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Preview Panel */

.ai-preview-panel {
  padding: 12px;
  background: var(--bg);
  border-radius: 4px;
  border: 1px solid var(--border);
}

.ai-preview-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.ai-audio-player {
  width: 100%;
  height: 32px;
  margin-bottom: 8px;
}

.ai-preview-actions {
  display: flex;
  gap: 6px;
}

.btn-use-ai-sample,
.btn-regenerate {
  flex: 1;
  padding: 8px;
  border: none;
  border-radius: 4px;
  font-weight: 600;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-use-ai-sample {
  background: #ff8c42;
  color: var(--bg);
}

.btn-use-ai-sample:hover {
  background: #ff9f5f;
}

.btn-regenerate {
  background: rgba(255, 140, 66, 0.1);
  color: #ff8c42;
  border: 1px solid rgba(255, 140, 66, 0.3);
}

.btn-regenerate:hover {
  background: rgba(255, 140, 66, 0.2);
  border-color: rgba(255, 140, 66, 0.5);
}