/**
 * AKAI Time-Stretch Emulator Styles
 * Retro hardware-inspired design
 */

:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #2a2a2a;
  --bg-tertiary: #353535;
  --accent-primary: #00ff88;
  --accent-secondary: #ff6b00;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0a0;
  --border-color: #404040;
  --shadow: rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: 'Courier New', monospace;
  background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
  color: var(--text-primary);
  min-height: 100vh;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
}

/* Header */
header {
  text-align: center;
  padding: 20px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 4px 20px var(--shadow);
}

header h1 {
  font-size: 2.5rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 3px;
  margin-bottom: 10px;
  text-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
}

.subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 1px;
}

.intro-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 700px;
  margin: 1rem auto 0;
  padding: 0.75rem 1rem;
  background: rgba(0, 255, 136, 0.05);
  border-radius: 6px;
  border: 1px solid rgba(0, 255, 136, 0.2);
}

.help-icon {
  cursor: help;
  opacity: 0.6;
  transition: opacity 0.2s;
  margin-left: 5px;
  font-size: 0.9em;
}

.help-icon:hover {
  opacity: 1;
}

/* Main Content */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

section {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 2px 10px var(--shadow);
}

section h2 {
  font-size: 1.3rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

/* Audio Input */
.input-controls {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
}

.audio-info {
  margin-top: 20px;
  padding: 15px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  border-left: 3px solid var(--accent-primary);
}

.audio-info-layout {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.audio-info-main {
  flex: 1;
}

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

.audio-info p {
  margin: 5px 0;
  font-size: 0.9rem;
}

.audio-info strong {
  color: var(--accent-primary);
  margin-right: 10px;
}

.freesound-logo {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  background: rgba(255, 85, 0, 0.1);
  border: 1px solid rgba(255, 85, 0, 0.5);
  border-radius: 4px;
  color: rgba(255, 85, 0, 0.9);
  font-weight: bold;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s;
}

.freesound-logo:hover {
  background: rgba(255, 85, 0, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--shadow);
}

.freesound-icon {
  font-size: 1.2rem;
}

.attribution-text {
  flex: 1;
  min-width: 200px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.attribution-text a {
  text-decoration: none;
}

.attribution-text a:hover {
  text-decoration: underline;
}

.license-badge {
  display: inline-block;
  padding: 6px 12px;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid var(--accent-primary);
  border-radius: 4px;
  color: var(--accent-primary);
  font-size: 0.75rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: bold;
  transition: all 0.2s;
  white-space: nowrap;
}

.license-badge:hover {
  background: rgba(0, 255, 136, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px var(--shadow);
}

/* Integrated Playback Controls */
.playback-controls-integrated {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.playback-controls-integrated .btn {
  flex: 1;
  min-width: 120px;
  justify-content: center;
}

/* Add spacing for output volume in audio input section */
.audio-input .control-group {
  margin-top: 20px;
}

.hidden {
  display: none !important;
}

/* Buttons */
.btn {
  padding: 12px 24px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn:hover:not(:disabled) {
  background: var(--bg-primary);
  border-color: var(--accent-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

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

.btn-primary {
  background: var(--accent-primary);
  color: #000;
  border-color: var(--accent-primary);
  font-weight: bold;
}

.btn-primary:hover:not(:disabled) {
  background: #00dd77;
  border-color: #00dd77;
}

.btn-secondary {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.btn.active {
  background: var(--accent-primary);
  color: #000;
  border-color: var(--accent-primary);
  font-weight: bold;
}

.btn-large {
  padding: 16px 32px;
  font-size: 1.1rem;
}

.icon {
  font-size: 1.2rem;
}

/* Waveform Section */
.waveform-section {
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 18px;
  box-shadow: 0 2px 10px var(--shadow);
}

.waveform-container {
  margin-bottom: 15px;
}

.waveform-container h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.waveform-canvas {
  width: 100%;
  height: 120px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  cursor: crosshair;
  display: block;
}

.waveform-canvas:hover {
  border-color: var(--accent-primary);
}

.waveform-hint {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 10px;
  font-style: italic;
}

/* Three-Column Controls */
.three-column-controls {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
  margin-bottom: 18px;
}

.three-column-controls .control-group {
  margin-bottom: 0;
}

.three-column-controls label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.select-control {
  width: 100%;
  padding: 10px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.select-control:hover {
  border-color: var(--accent-primary);
  background: var(--bg-primary);
}

.select-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

/* Toggle Buttons */
.toggle-buttons {
  display: flex;
  gap: 5px;
  width: 100%;
}

.toggle-btn {
  flex: 1;
  padding: 10px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.toggle-btn.active {
  background: var(--accent-primary);
  color: #000;
  border-color: var(--accent-primary);
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

/* Single Toggle Button */
.toggle-btn-single {
  width: 100%;
  padding: 10px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s;
  text-transform: uppercase;
  letter-spacing: 1px;
}

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

.toggle-btn-single.active {
  background: var(--accent-primary);
  color: #000;
  border-color: var(--accent-primary);
  font-weight: bold;
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

/* Get Lucky Button */
.get-lucky-container {
  margin-top: 20px;
  text-align: center;
  padding: 12px;
  background: rgba(255, 107, 0, 0.05);
  border: 1px dashed var(--accent-secondary);
  border-radius: 4px;
}

.btn-lucky {
  background: var(--accent-secondary);
  color: #fff;
  border-color: var(--accent-secondary);
  font-weight: bold;
  font-size: 0.9rem;
  padding: 8px 20px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.btn-lucky:hover:not(:disabled) {
  background: #ff8533;
  border-color: #ff8533;
  transform: scale(1.05) rotate(-1deg);
  box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
}

.btn-lucky .icon {
  font-size: 1.4rem;
  animation: rotate 2s linear infinite;
}

.btn-lucky:hover .icon {
  animation: rotate 0.5s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.get-lucky-hint {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--accent-secondary);
  font-style: italic;
}

/* Undo/Redo */
.undo-redo-container {
  display: flex;
  gap: 10px;
  margin-top: 15px;
  justify-content: center;
}

.btn-small {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Presets */
.presets-container {
  margin-top: 15px;
  padding: 12px;
  background: rgba(0, 255, 136, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

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

.preset-header h3 {
  font-size: 0.9rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0;
}

.preset-option {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.preset-option input[type="checkbox"] {
  cursor: pointer;
}

.preset-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 10px;
}

.preset-slot {
  padding: 12px;
  background: var(--bg-tertiary);
  border: 2px solid var(--border-color);
  border-radius: 4px;
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.2s;
}

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

.preset-slot.filled {
  background: rgba(0, 255, 136, 0.1);
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.preset-slot.filled:hover {
  background: rgba(0, 255, 136, 0.2);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.3);
}

.preset-hint {
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
  font-style: italic;
  margin: 0;
}

/* Presets */
.preset-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 15px;
}

.preset-btn {
  padding: 20px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-family: 'Courier New', monospace;
  cursor: pointer;
  transition: all 0.2s;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.preset-btn strong {
  font-size: 1.1rem;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.preset-btn span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

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

.preset-btn.active {
  border-color: var(--accent-primary);
  background: rgba(0, 255, 136, 0.1);
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

/* Controls */
.control-group {
  margin-bottom: 18px;
}

.control-group:last-child {
  margin-bottom: 0;
}

.control-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.control-group .value {
  color: var(--accent-primary);
  font-weight: bold;
  font-size: 1rem;
}

input[type="range"] {
  width: 100%;
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: 3px;
  outline: none;
  -webkit-appearance: none;
  margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  transition: all 0.2s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.8);
}

input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--accent-primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 10px rgba(0, 255, 136, 0.5);
  transition: all 0.2s;
}

input[type="range"]::-moz-range-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.8);
}

.range-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: -5px;
}

/* Playback Controls */
.playback-controls {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}

/* Processing Status */
.processing-status {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-secondary);
  border: 3px solid var(--accent-primary);
  border-radius: 8px;
  padding: 40px 60px;
  text-align: center;
  box-shadow: 0 0 40px rgba(0, 255, 136, 0.5);
  z-index: 1000;
}

.processing-status p {
  margin-top: 20px;
  font-size: 1.1rem;
  color: var(--accent-primary);
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--bg-tertiary);
  border-top-color: var(--accent-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 20px;
  z-index: 1000;
  pointer-events: none;
}

.modal-content {
  background: var(--bg-secondary);
  border: 3px solid var(--accent-primary);
  border-radius: 8px;
  padding: 25px 40px;
  max-width: 600px;
  text-align: center;
  box-shadow: 0 0 40px rgba(0, 255, 136, 0.5);
  pointer-events: all;
}

.modal-content h3 {
  color: var(--accent-primary);
  font-size: 1.5rem;
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.modal-content p {
  margin: 20px 0;
  color: var(--text-secondary);
}

.recording-waveform-container {
  margin: 20px 0;
  background: var(--bg-primary);
  border: 2px solid var(--accent-secondary);
  border-radius: 4px;
  padding: 10px;
}

.recording-waveform-canvas {
  width: 100%;
  height: 100px;
  display: block;
  background: rgba(0, 20, 40, 1);
  border-radius: 2px;
}

.modal-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Footer */
footer {
  text-align: center;
  padding: 30px 20px;
  margin-top: 40px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  border-top: 1px solid var(--border-color);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 10px;
    max-width: 100%;
  }

  header h1 {
    font-size: 1.5rem;
  }

  header .subtitle {
    font-size: 0.8rem;
  }

  section {
    padding: 15px;
    margin-bottom: 15px;
  }

  /* Larger touch targets for mobile */
  .btn {
    min-height: 44px;
    padding: 12px 20px;
    font-size: 0.95rem;
    width: 100%;
    justify-content: center;
    margin: 4px 0;
  }

  .btn-small {
    min-height: 40px;
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  /* Button groups */
  .input-controls,
  .playback-controls-integrated {
    flex-direction: column;
    gap: 8px;
  }

  .playback-controls {
    flex-direction: column;
  }

  /* Three column to single column */
  .three-column-controls {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  /* Preset grid - 5 per row on mobile */
  .preset-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }

  .preset-slot {
    width: 100%;
    height: 44px;
    font-size: 1rem;
  }

  /* Waveforms */
  .waveform-canvas {
    height: 100px;
    cursor: pointer;
    touch-action: none; /* Prevent scrolling while dragging */
  }

  .waveform-hint {
    font-size: 0.75rem;
    margin-top: 8px;
  }

  /* Audio info responsive layout */
  .audio-info-layout {
    flex-direction: column;
    gap: 10px;
  }

  .audio-info-main p {
    font-size: 0.85rem;
    margin: 6px 0;
  }

  /* Control labels */
  .control-group label {
    font-size: 0.9rem;
  }

  .control-group .value {
    font-size: 0.85rem;
  }

  .range-labels {
    font-size: 0.7rem;
  }

  /* Select controls */
  .select-control {
    min-height: 44px;
    font-size: 0.9rem;
  }

  /* Toggle buttons */
  .toggle-btn,
  .toggle-btn-single {
    min-height: 44px;
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  /* Get Lucky section */
  .get-lucky-container {
    margin-bottom: 15px;
  }

  .btn-lucky {
    font-size: 1rem;
    padding: 14px 24px;
  }

  .get-lucky-hint {
    font-size: 0.8rem;
  }

  /* Undo/Redo */
  .undo-redo-container {
    flex-direction: row;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
  }

  .undo-redo-container .btn {
    width: auto;
    flex: 1;
    max-width: 150px;
  }

  /* Presets */
  .preset-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  /* Modal */
  .modal-content {
    margin: 10px;
    padding: 20px;
    max-width: calc(100vw - 20px);
  }

  .modal-content h3 {
    font-size: 1.2rem;
  }

  .modal-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .modal-buttons .btn {
    width: 100%;
  }

  .recording-waveform-canvas {
    height: 80px;
  }

  /* Footer */
  footer {
    font-size: 0.75rem;
    padding: 20px 10px;
  }

  /* Hide emojis on very small screens */
  .icon {
    display: inline-block;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  header h1 {
    font-size: 1.3rem;
  }

  .preset-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }

  .preset-slot {
    height: 40px;
    font-size: 0.9rem;
  }

  .waveform-canvas {
    height: 80px;
  }

  .control-group {
    margin-bottom: 15px;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }

  .btn, .playback-controls {
    display: none;
  }
}