/* =====================================================
   CRITICAL MOBILE FIXES for Guitar Practice Journal
   This file fixes broken mobile scrolling and display
   ===================================================== */

/* ===== CRITICAL: Fix body/html positioning for mobile ===== */
/* Override the broken position: fixed rules from mobile-iphone.css */
@media screen and (max-width: 430px) {
  /* FIXED: Remove position fixed that breaks scrolling */
  html, body {
    position: relative !important;
    width: 100% !important;
    height: auto !important;
    min-height: 100vh !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
    overscroll-behavior: none;
  }

  /* FIXED: App container should be normal flow, not fixed */
  #app {
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    min-height: 100vh !important;
    width: 100% !important;
    overflow: visible !important;
  }

  /* FIXED: Header should be sticky, not fixed */
  .app-header {
    position: sticky !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: auto !important;
    min-height: calc(var(--mobile-header-height, 60px) + var(--iphone-safe-top, 0px)) !important;
    padding-top: var(--iphone-safe-top, 0px) !important;
    z-index: 1000 !important;
    background: var(--bg-primary) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border-bottom: 0.5px solid rgba(255, 255, 255, 0.1) !important;
  }

  /* FIXED: Main content should be normal flow for scrolling */
  .main-content,
  .main-content-new {
    position: relative !important;
    flex: 1 !important;
    width: 100% !important;
    padding: 1rem !important;
    padding-top: 1rem !important;
    padding-bottom: calc(var(--mobile-nav-height, 56px) + var(--iphone-safe-bottom, 34px) + 2rem) !important;
    overflow: visible !important;
    -webkit-overflow-scrolling: touch !important;
    min-height: auto !important;
    height: auto !important;
  }

  /* FIXED: Bottom navigation positioning */
  .top-navigation {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    width: 100% !important;
    height: calc(var(--mobile-nav-height, 56px) + var(--iphone-safe-bottom, 34px)) !important;
    padding-bottom: var(--iphone-safe-bottom, 34px) !important;
    background: rgba(var(--bg-primary-rgb, 15, 15, 15), 0.95) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(20px) saturate(180%) !important;
    border-top: 0.5px solid rgba(255, 255, 255, 0.1) !important;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1) !important;
    z-index: 999 !important;
  }

  /* Tab navigation layout */
  .tab-nav {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-around !important;
    align-items: center !important;
    width: 100% !important;
    height: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    gap: 0 !important;
  }

  .tab-nav-item {
    flex: 1 !important;
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 4px !important;
    padding: 8px 4px !important;
    margin: 0 !important;
    min-height: 44px !important;
    background: transparent !important;
    border: none !important;
    border-radius: 0 !important;
    color: var(--text-secondary) !important;
    transition: color 0.2s ease !important;
  }

  .tab-nav-item.active {
    color: var(--primary) !important;
  }

  .tab-nav-item .icon {
    font-size: 20px !important;
    line-height: 1 !important;
  }

  .tab-nav-item span:not(.icon) {
    font-size: 10px !important;
    font-weight: 500 !important;
  }
}

/* ===== Tab Content Scrolling Fix ===== */
@media screen and (max-width: 430px) {
  .tab-pane {
    display: none;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 1rem !important;
    padding-bottom: 2rem !important;
    overflow: visible !important;
    height: auto !important;
  }

  .tab-pane.active {
    display: block !important;
  }

  /* Ensure tab content flows naturally */
  .tab-content,
  .tab-content-container {
    width: 100% !important;
    height: auto !important;
    overflow: visible !important;
    padding: 0 !important;
  }
}

/* ===== Modal Fixes for Mobile ===== */
@media screen and (max-width: 430px) {
  .modal-overlay {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100vh !important;
    background: rgba(0, 0, 0, 0.75) !important;
    z-index: 10000 !important;
    display: flex !important;
    align-items: flex-end !important;
    overflow: hidden !important;
  }

  .modal,
  .modal-content {
    position: relative !important;
    width: 100% !important;
    max-width: 100% !important;
    max-height: calc(100vh - var(--iphone-safe-top, 0px) - 20px) !important;
    margin: 0 !important;
    border-radius: 24px 24px 0 0 !important;
    padding-bottom: var(--iphone-safe-bottom, 34px) !important;
    background: var(--bg-primary) !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }

  .modal-body {
    padding: 16px !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
  }
}

/* ===== Touch Targets and Accessibility ===== */
@media screen and (max-width: 430px) {
  /* Ensure all interactive elements have proper touch targets */
  button,
  a,
  .btn,
  input[type="button"],
  input[type="submit"],
  .clickable {
    min-height: 44px !important;
    min-width: 44px !important;
  }

  /* Prevent iOS text size adjust */
  html {
    -webkit-text-size-adjust: 100% !important;
    -moz-text-size-adjust: 100% !important;
    -ms-text-size-adjust: 100% !important;
    text-size-adjust: 100% !important;
  }

  /* Prevent zoom on input focus */
  input,
  textarea,
  select {
    font-size: 16px !important;
    -webkit-appearance: none !important;
    appearance: none !important;
  }

  /* Better tap feedback */
  * {
    -webkit-tap-highlight-color: rgba(99, 102, 241, 0.2) !important;
  }
}

/* ===== Widget and Card Fixes ===== */
@media screen and (max-width: 430px) {
  .dashboard-widget,
  .card,
  .session-card,
  .goal-card {
    width: 100% !important;
    margin-bottom: 16px !important;
    padding: 16px !important;
    border-radius: 16px !important;
    overflow: visible !important;
  }

  /* Timer display */
  .timer-display {
    font-size: clamp(48px, 12vw, 64px) !important;
    padding: 24px 16px !important;
    background: var(--bg-secondary) !important;
    border-radius: 16px !important;
    margin: 16px 0 !important;
  }

  /* Control buttons */
  .timer-controls {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
    padding: 0 !important;
    margin-bottom: 16px !important;
  }

  .btn,
  button:not(.tab-nav-item) {
    min-height: 48px !important;
    border-radius: 12px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    padding: 12px 20px !important;
  }
}

/* ===== Form Elements Mobile ===== */
@media screen and (max-width: 430px) {
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"],
  textarea,
  select {
    width: 100% !important;
    min-height: 48px !important;
    padding: 12px 16px !important;
    font-size: 16px !important;
    border-radius: 12px !important;
    border: 1px solid var(--border) !important;
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
  }

  textarea {
    min-height: 100px !important;
    resize: vertical !important;
  }

  select {
    -webkit-appearance: none !important;
    appearance: none !important;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E") !important;
    background-repeat: no-repeat !important;
    background-position: right 16px center !important;
    padding-right: 40px !important;
  }
}

/* ===== Audio Player Mobile ===== */
@media screen and (max-width: 430px) {
  .audio-player-container,
  .audio-player-wrapper {
    width: 100% !important;
    padding: 16px !important;
    overflow: visible !important;
  }

  .waveform-container {
    height: 80px !important;
    margin: 16px 0 !important;
    border-radius: 12px !important;
    overflow: hidden !important;
    background: var(--bg-secondary) !important;
  }

  .audio-controls {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
    margin: 16px 0 !important;
  }
}

/* ===== Metronome Mobile ===== */
@media screen and (max-width: 430px) {
  .metronome-container,
  .metronome-wrapper {
    width: 100% !important;
    padding: 16px !important;
    overflow: visible !important;
  }

  .bpm-display {
    font-size: clamp(36px, 10vw, 48px) !important;
    padding: 20px !important;
    background: var(--bg-secondary) !important;
    border-radius: 16px !important;
    margin-bottom: 16px !important;
    text-align: center !important;
  }

  .tempo-slider {
    width: 100% !important;
    height: 48px !important;
  }
}

/* ===== Stats and History Mobile ===== */
@media screen and (max-width: 430px) {
  .stats-grid,
  .stats-panel {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .stat-card {
    padding: 16px !important;
    border-radius: 12px !important;
  }

  .history-list {
    max-height: none !important;
    overflow-y: visible !important;
  }

  .history-item,
  .session-item {
    margin-bottom: 12px !important;
    padding: 16px !important;
    border-radius: 12px !important;
  }
}

/* ===== Goals and Achievements Mobile ===== */
@media screen and (max-width: 430px) {
  .goals-layout {
    grid-template-columns: 1fr !important;
    gap: 16px !important;
  }

  .goal-card {
    padding: 16px !important;
    border-radius: 12px !important;
  }

  .achievement-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 12px !important;
  }
}

/* ===== Landscape Orientation ===== */
@media screen and (max-width: 932px) and (orientation: landscape) {
  .app-header {
    min-height: 50px !important;
    padding-top: 0 !important;
  }

  .header-tab-name {
    font-size: 1.125rem !important;
  }

  .main-content {
    padding-top: 0.75rem !important;
  }

  .timer-display {
    font-size: clamp(36px, 8vw, 48px) !important;
    padding: 16px !important;
  }
}

/* ===== Small Devices (< 375px) ===== */
@media screen and (max-width: 374px) {
  .header-tab-name {
    font-size: 1.125rem !important;
  }

  .tab-nav-item span:not(.icon) {
    font-size: 9px !important;
  }

  .timer-display {
    font-size: clamp(36px, 10vw, 48px) !important;
  }

  .btn {
    font-size: 14px !important;
    padding: 10px 16px !important;
  }
}

/* ===== Performance Optimizations ===== */
@media screen and (max-width: 430px) {
  /* GPU acceleration for smooth scrolling */
  .main-content,
  .tab-pane,
  .modal-body {
    transform: translateZ(0) !important;
    will-change: scroll-position !important;
  }

  /* Optimize animations */
  * {
    -webkit-backface-visibility: hidden !important;
    backface-visibility: hidden !important;
  }

  /* Reduce motion if preferred */
  @media (prefers-reduced-motion: reduce) {
    * {
      animation-duration: 0.01ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.01ms !important;
    }
  }
}

/* ===== Dark Mode Optimization ===== */
@media screen and (max-width: 430px) and (prefers-color-scheme: dark) {
  :root {
    --bg-primary-rgb: 15, 15, 15;
  }

  .app-header,
  .top-navigation {
    background: rgba(15, 15, 15, 0.95) !important;
  }
}

/* ===== Accessibility ===== */
@media screen and (max-width: 430px) {
  /* Focus indicators */
  :focus-visible {
    outline: 3px solid var(--primary) !important;
    outline-offset: 2px !important;
  }

  /* High contrast support */
  @media (prefers-contrast: high) {
    .btn,
    .card,
    input,
    select,
    textarea {
      border: 2px solid currentColor !important;
    }
  }
}