/* ============================================================
   RESPONSIVE.CSS — Device Compatibility
   ============================================================ */

/* ======================== WIDE SCREENS (1440px+) ======================== */
@media (min-width: 1440px) {
  .songs-grid {
    grid-template-columns: repeat(5, 1fr);
  }
  
  .player-cover-wrapper {
    width: 360px;
    height: 360px;
  }
  
  .player-layout {
    grid-template-columns: 1fr 440px;
    max-width: 1400px;
  }
}

/* ======================== TABLET (768px – 1024px) ======================== */
@media (max-width: 1024px) {
  .songs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .player-layout {
    grid-template-columns: 1fr;
    max-width: 600px;
  }
  
  .player-cover-wrapper {
    width: 260px;
    height: 260px;
  }
  
  .player-lyrics-panel {
    max-height: 300px;
  }
  
  .upload-zones {
    grid-template-columns: 1fr 1fr;
  }
}

/* ======================== MOBILE (max 768px) ======================== */
@media (max-width: 768px) {
  :root {
    --nav-height: 0px;
    --space-2xl: 32px;
    --space-3xl: 48px;
  }

  /* Hide desktop nav, show mobile nav */
  .main-nav {
    display: none;
  }

  .mobile-nav {
    display: flex;
  }

  /* Main content */
  .app-content {
    padding-top: var(--space-md);
    padding-bottom: calc(var(--mobile-nav-height) + var(--space-md));
  }

  .view {
    padding: var(--space-lg) var(--space-md);
  }

  /* Mini player shifts above mobile nav */
  .mini-player {
    bottom: var(--mobile-nav-height);
  }

  /* Shift mobile nav up when mini player visible */
  body.has-mini-player .mobile-nav {
    /* The mini player sits above the nav */
  }
  
  body.has-mini-player .app-content {
    padding-bottom: calc(var(--mobile-nav-height) + var(--mini-player-height) + var(--space-md));
  }

  /* Hero */
  .hero {
    min-height: calc(100vh - var(--mobile-nav-height));
  }

  .hero-title {
    font-size: 3rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    gap: var(--space-md);
  }

  .stat-card {
    padding: var(--space-sm) var(--space-md);
  }

  .stat-number {
    font-size: 1.5rem;
  }

  /* Library */
  .section-title {
    font-size: 1.5rem;
  }

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

  .search-box {
    min-width: 100%;
  }

  .filter-group {
    width: 100%;
  }

  .filter-select {
    flex: 1;
    min-width: 0;
  }

  .songs-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .song-card-play {
    opacity: 0.8;
    transform: translateY(0);
  }

  /* Player */
  .player-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    max-width: 100%;
  }

  .player-main {
    padding: var(--space-md) 0;
  }

  .player-back-btn {
    position: fixed;
    top: var(--space-md);
    right: var(--space-md);
    z-index: calc(var(--z-content) + 1);
    background: rgba(var(--color-bg-rgb), 0.6);
    backdrop-filter: blur(12px);
  }

  .player-cover-container {
    margin-bottom: var(--space-lg);
  }

  .player-cover-wrapper {
    width: 240px;
    height: 240px;
  }

  .player-song-title {
    font-size: 1.3rem;
  }

  .player-progress {
    max-width: 100%;
    padding: 0 var(--space-sm);
  }

  .player-controls {
    gap: var(--space-md);
  }

  .control-play {
    width: 56px;
    height: 56px;
  }

  .volume-control {
    max-width: 150px;
  }

  .player-lyrics-panel {
    max-height: 250px;
    margin-bottom: calc(var(--mobile-nav-height) + var(--space-lg));
  }

  /* Upload */
  .upload-container {
    max-width: 100%;
  }

  .upload-zones {
    grid-template-columns: 1fr;
  }

  .upload-zone {
    min-height: 160px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn-primary,
  .form-actions .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  /* About */
  .about-title {
    font-size: 2rem;
  }

  .about-content {
    padding: var(--space-lg);
  }

  .about-quote blockquote p {
    font-size: 1.1rem;
  }

  .timeline {
    padding-right: var(--space-xl);
  }

  /* Hide butterfly canvas on mobile (use petals instead) */
  .butterfly-canvas {
    display: none !important;
  }

  /* Mini player adjustments */
  .mini-content {
    padding: 0 var(--space-md);
  }

  .mini-cover {
    width: 42px;
    height: 42px;
  }
}

/* ======================== SMALL MOBILE (max 375px) ======================== */
@media (max-width: 375px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .songs-grid {
    grid-template-columns: 1fr;
  }

  .player-cover-wrapper {
    width: 200px;
    height: 200px;
  }

  .hero-stats {
    flex-direction: column;
    align-items: center;
  }

  .stat-card {
    width: 100%;
    max-width: 200px;
  }

  .player-controls {
    gap: var(--space-sm);
  }

  .control-btn {
    width: 40px;
    height: 40px;
  }

  .control-play {
    width: 50px;
    height: 50px;
  }
}

/* ======================== LANDSCAPE MOBILE ======================== */
@media (max-height: 500px) and (orientation: landscape) {
  .hero {
    min-height: auto;
    padding: var(--space-xl) 0;
  }

  .hero-title {
    font-size: 2rem;
  }

  .player-cover-wrapper {
    width: 160px;
    height: 160px;
  }

  .player-layout {
    grid-template-columns: auto 1fr;
    align-items: start;
  }

  .player-main {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-md);
    text-align: right;
    align-items: center;
    justify-content: center;
  }

  .player-cover-container {
    margin-bottom: 0;
  }

  .cover-glow {
    display: none;
  }

  .player-info {
    margin-bottom: var(--space-sm);
  }

  .player-progress {
    max-width: 300px;
    margin-bottom: var(--space-sm);
  }

  .player-controls {
    margin-bottom: var(--space-sm);
  }
}

/* ======================== DESKTOP - SHOW PETALS OFF ======================== */
@media (min-width: 769px) {
  .petals-container {
    display: none !important;
  }
}

/* ======================== PRINT ======================== */
@media print {
  .main-nav,
  .mobile-nav,
  .mini-player,
  .butterfly-canvas,
  .petals-container,
  .particles-container,
  .immersive-bg,
  .gradient-overlay,
  .hero-decoration,
  .curtain-transition {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .glass-card {
    background: #f5f5f5;
    border: 1px solid #ddd;
  }
}