/* ==========================================================================
   Responsive CSS - Media Queries for Mobile/Tablet/Desktop
   ========================================================================== */

/*
   Mobile First Approach
   Base styles are for mobile, then we progressively enhance for larger screens
*/

/* Extra Small devices (phones, less than 576px) */
/* This is the default - no media query needed */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container {
    max-width: 540px;
  }

  header h1 {
    font-size: var(--font-size-2xl);
  }

  .track-selector select {
    min-width: 280px;
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .container {
    max-width: 720px;
  }

  /* Header improvements */
  header {
    padding: var(--spacing-lg) 0;
  }

  header h1 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
  }

  /* Main content */
  main {
    padding: var(--spacing-xl) 0;
  }

  section {
    padding: var(--spacing-xl);
  }

  /* Controls layout improvements */
  .controls {
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
  }

  .btn-play {
    width: 64px;
    height: 64px;
  }

  .btn-play svg {
    width: 28px;
    height: 28px;
  }

  /* Tempo control wider */
  .tempo-control input[type="range"] {
    width: 140px;
  }

  /* Downloads as grid */
  .downloads ul {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
  }

  .downloads a {
    justify-content: center;
  }
}

/* Large devices (desktops, 1024px and up) */
@media (min-width: 1024px) {
  .container {
    max-width: 960px;
  }

  /* Progress bar improvements */
  .progress-bar {
    height: 10px;
  }

  .progress-bar:hover {
    height: 14px;
  }

  /* Controls more spacious */
  .controls {
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
  }

  .controls-group {
    gap: var(--spacing-md);
  }

  /* Keyboard shortcuts visible on desktop */
  .shortcuts-help {
    display: block;
  }
}

/* Extra Large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1140px;
  }
}

/* Extra extra large devices (1400px and up) */
@media (min-width: 1400px) {
  .container {
    max-width: 1320px;
  }
}

/* ==========================================================================
   Mobile-specific Overrides
   ========================================================================== */

@media (max-width: 767px) {
  /* Compact header for mobile */
  header {
    position: sticky;
    top: 0;
    z-index: var(--z-dropdown);
  }

  header h1 {
    font-size: var(--font-size-lg);
  }

  /* Track selector full width */
  .track-selector {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .track-selector select {
    width: 100%;
    min-width: unset;
  }

  /* Compact progress bar */
  .progress-container {
    padding: var(--spacing-sm);
  }

  .progress-bar {
    height: 6px;
  }

  .progress-bar:hover {
    height: 10px;
  }

  /* Controls stacked on mobile */
  .controls {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }

  .controls-group {
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Smaller play button */
  .btn-play {
    width: 48px;
    height: 48px;
  }

  .btn-play svg {
    width: 20px;
    height: 20px;
  }

  /* Control buttons smaller */
  .btn-control {
    width: 36px;
    height: 36px;
  }

  .btn-control svg {
    width: 16px;
    height: 16px;
  }

  /* Tempo control compact */
  .tempo-control {
    padding: var(--spacing-xs) var(--spacing-sm);
  }

  .tempo-control input[type="range"] {
    width: 80px;
  }

  .tempo-value {
    min-width: 40px;
  }

  /* Volume control compact */
  .volume-control input[type="range"] {
    width: 60px;
  }

  /* Downloads stacked */
  .downloads ul {
    flex-direction: column;
  }

  .downloads a {
    width: 100%;
    justify-content: center;
  }

  /* Hide keyboard shortcuts on mobile */
  .shortcuts-help {
    display: none;
  }

  /* Tips section compact */
  .tips {
    padding: var(--spacing-sm);
    font-size: var(--font-size-sm);
  }

  .tips ul {
    padding-left: var(--spacing-md);
  }
}

/* ==========================================================================
   Touch-friendly Adjustments
   ========================================================================== */

@media (hover: none) and (pointer: coarse) {
  /* Ensure all interactive elements meet minimum touch target size */
  .btn,
  .btn-control,
  .btn-play,
  .btn-mute,
  .btn-solo {
    min-width: 44px;
    min-height: 44px;
  }

  /* Larger progress bar for touch */
  .progress-bar {
    height: 12px;
  }

  /* Always show progress handle on touch devices */
  .progress-handle {
    opacity: 1;
    width: 20px;
    height: 20px;
  }

  /* Larger slider thumbs */
  .tempo-control input[type="range"]::-webkit-slider-thumb,
  .volume-control input[type="range"]::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
  }

  /* Remove hover effects that don't apply to touch */
  .btn-play:hover {
    transform: none;
  }

  .progress-bar:hover {
    height: 12px;
  }

  /* Active states for touch feedback */
  .btn:active,
  .btn-control:active,
  .btn-play:active {
    transform: scale(0.95);
    opacity: 0.8;
  }
}

/* ==========================================================================
   Landscape Mode for Mobile
   ========================================================================== */

@media (max-height: 500px) and (orientation: landscape) {
  /* Compact header in landscape */
  header {
    padding: var(--spacing-sm) 0;
  }

  header h1 {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-xs);
  }

  /* Compact main content */
  main {
    padding: var(--spacing-sm) 0;
  }

  section {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
  }

  /* Compact controls */
  .controls {
    padding: var(--spacing-xs);
    gap: var(--spacing-sm);
  }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  /* Hide interactive elements */
  .player-container,
  .controls,
  .shortcuts-help,
  .btn {
    display: none !important;
  }

  /* Show only essential info */
  header,
  .downloads {
    display: block;
  }

  body {
    background: white;
    color: black;
  }

  a {
    color: black;
    text-decoration: underline;
  }

  .downloads a::after {
    content: " (" attr(href) ")";
    font-size: var(--font-size-xs);
  }
}

/* ==========================================================================
   Reduced Motion Preferences
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .spinner {
    animation: none;
    border-top-color: var(--color-primary);
  }
}

/* ==========================================================================
   Dark Mode Support (if system prefers)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f172a;
    --color-bg-card: #1e293b;
    --color-bg-dark: #020617;

    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-text-light: #64748b;

    --color-border: #334155;
    --color-border-dark: #475569;

    --color-primary-light: rgba(37, 99, 235, 0.2);
  }
}

/* ==========================================================================
   High Contrast Mode
   ========================================================================== */

@media (prefers-contrast: high) {
  :root {
    --color-border: #000000;
    --color-text-muted: var(--color-text);
  }

  .btn,
  .btn-control,
  .track-channel,
  .progress-bar {
    border-width: 2px;
  }

  :focus-visible {
    outline-width: 3px;
  }
}