/* ===== MOBILE & PWA OPTIMIZATIONS ===== */

/* CSS Variables for consistent theming */
:root {
  --primary-color: #ff6b35;
  --secondary-color: #f7931e;
  --background-dark: #0a0a0a;
  --background-light: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --border-color: rgba(255, 255, 255, 0.1);
  --shadow-light: rgba(255, 107, 53, 0.2);
  --animation-duration: 0.3s;
  --border-radius: 12px;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
}

/* ===== PWA INSTALL PROMPT ===== */
.install-prompt {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  z-index: 10000;
  animation: slideInFromBottom 0.5s ease-out;
  backdrop-filter: blur(10px);
}

.install-prompt.hidden {
  display: none;
}

.install-prompt-content {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.install-prompt-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.install-prompt-text h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: white;
}

.install-prompt-text p {
  margin: 0;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.9);
}

.install-prompt-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-shrink: 0;
}

.install-btn, .dismiss-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: 8px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--animation-duration) ease;
  font-size: 0.9rem;
}

.install-btn {
  background: white;
  color: var(--primary-color);
}

.install-btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-1px);
}

.dismiss-btn {
  background: rgba(255, 255, 255, 0.2);
  color: white;
}

.dismiss-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

@keyframes slideInFromBottom {
  from {
    transform: translateY(100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ===== MOBILE MENU OVERLAY ===== */
.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(5px);
  z-index: 9999;
  opacity: 0;
  transition: opacity var(--animation-duration) ease;
}

.mobile-menu-overlay.hidden {
  display: none;
}

.mobile-menu-overlay.show {
  opacity: 1;
}

/* ===== MOBILE HAMBURGER MENU ===== */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: 8px;
  transition: all var(--animation-duration) ease;
}

.mobile-menu-btn:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 2px 0;
  transition: all var(--animation-duration) ease;
  border-radius: 2px;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== MOBILE NAVIGATION MENU ===== */
.mobile-nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: linear-gradient(135deg, var(--background-dark), var(--background-light));
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--border-color);
  z-index: 10000;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
}

.mobile-nav-menu.show {
  right: 0;
}

.mobile-nav-menu.hidden {
  right: -100%;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-lg);
  border-bottom: 1px solid var(--border-color);
  background: rgba(255, 107, 53, 0.1);
}

.mobile-nav-header h3 {
  margin: 0;
  color: var(--primary-color);
  font-size: 1.2rem;
  font-weight: 600;
}

.mobile-nav-close {
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--animation-duration) ease;
}

.mobile-nav-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--primary-color);
}

.mobile-nav-content {
  padding: var(--spacing-lg);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--border-radius);
  transition: all var(--animation-duration) ease;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  font-size: 1rem;
}

.mobile-nav-link:hover {
  background: rgba(255, 107, 53, 0.1);
  color: var(--primary-color);
  transform: translateX(5px);
}

.mobile-nav-link i {
  width: 20px;
  text-align: center;
  color: var(--primary-color);
}

.mobile-nav-divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--spacing-lg) 0;
}

.mobile-nav-info {
  text-align: center;
  padding: var(--spacing-md) 0;
}

.mobile-nav-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.5;
}

.mobile-nav-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mobile-nav-stats .stat {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 20px;
  display: inline-block;
}

/* Show mobile menu button on small screens */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }
  
  .mobile-nav-menu {
    width: 280px;
  }
}

@media (max-width: 480px) {
  .mobile-nav-menu {
    width: 100vw;
    right: -100vw;
  }
  
  .mobile-nav-menu.show {
    right: 0;
  }
}

/* ===== ENHANCED MOBILE RESPONSIVENESS ===== */

/* Large Mobile Devices (414px and up) */
@media (max-width: 414px) {
  .nav-container {
    padding: var(--spacing-sm) var(--spacing-md);
    flex-wrap: wrap;
  }
  
  .logo-container {
    flex: 1;
    min-width: 0;
  }
  
  .brand-title {
    font-size: 1.5rem !important;
  }
  
  .brand-tagline {
    font-size: 0.7rem !important;
  }
  
  .search-container {
    width: 100%;
    margin-top: var(--spacing-sm);
    order: 3;
  }
  
  .search-input {
    font-size: 16px; /* Prevent zoom on iOS */
    padding: var(--spacing-md);
  }
}

/* Standard Mobile Devices (375px and up) */
@media (max-width: 375px) {
  .hero-banner {
    height: 60vh;
    min-height: 400px;
  }
  
  .banner-content {
    padding: var(--spacing-md);
    text-align: center;
  }
  
  .banner-title {
    font-size: 1.8rem !important;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
  }
  
  .banner-description {
    font-size: 0.9rem !important;
    line-height: 1.4;
    margin-bottom: var(--spacing-md);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .banner-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
  }
  
  .btn-primary, .btn-secondary {
    width: 100%;
    max-width: 200px;
    padding: var(--spacing-md);
    font-size: 0.9rem;
  }
}

/* Small Mobile Devices (320px and up) */
@media (max-width: 320px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .section-header h2 {
    font-size: 1.3rem;
  }
  
  .anime-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--spacing-sm);
  }
  
  .anime-card {
    min-height: 200px;
  }
  
  .anime-card img {
    height: 140px;
  }
  
  .anime-card-title {
    font-size: 0.8rem;
    line-height: 1.3;
  }
  
  .anime-card-info {
    font-size: 0.7rem;
  }
}

/* ===== TOUCH OPTIMIZATIONS ===== */
@media (hover: none) and (pointer: coarse) {
  /* Increase touch targets */
  .anime-card,
  .btn,
  button,
  .search-suggestion-tag,
  .episode-item,
  .pagination-btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* Remove hover effects on touch devices */
  .anime-card:hover,
  .btn:hover,
  button:hover {
    transform: none;
  }
  
  /* Add touch feedback */
  .anime-card:active,
  .btn:active,
  button:active {
    transform: scale(0.95);
    transition: transform 0.1s ease;
  }
  
  /* Optimize scrolling */
  .anime-grid,
  .episodes-list,
  .search-results {
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
  }
}

/* ===== MODAL OPTIMIZATIONS FOR MOBILE ===== */
@media (max-width: 768px) {
  .modal-content,
  .player-modal-content,
  .trailer-modal-content {
    width: 95vw !important;
    height: 90vh !important;
    margin: 5vh auto;
    border-radius: var(--border-radius);
  }
  
  .modal-header,
  .player-modal-header,
  .trailer-modal-header {
    padding: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
  
  .modal-close,
  .player-modal-close,
  .trailer-modal-close {
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  
  .player-controls {
    padding: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }
  
  .player-control-btn {
    min-width: 44px;
    min-height: 44px;
    font-size: 1rem;
  }
}

/* ===== LANDSCAPE ORIENTATION OPTIMIZATIONS ===== */
@media (max-width: 768px) and (orientation: landscape) {
  .hero-banner {
    height: 80vh;
  }
  
  .banner-content {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .banner-title {
    font-size: 1.5rem !important;
  }
  
  .banner-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }
  
  .navbar {
    padding: var(--spacing-xs) 0;
  }
  
  .nav-container {
    padding: var(--spacing-xs) var(--spacing-md);
  }
}

/* ===== SAFE AREA INSETS (iPhone X and newer) ===== */
@supports (padding-top: env(safe-area-inset-top)) {
  .navbar {
    padding-top: env(safe-area-inset-top);
  }
  
  .install-prompt {
    bottom: calc(20px + env(safe-area-inset-bottom));
    left: calc(20px + env(safe-area-inset-left));
    right: calc(20px + env(safe-area-inset-right));
  }
  
  .modal-content,
  .player-modal-content,
  .trailer-modal-content {
    margin-top: calc(5vh + env(safe-area-inset-top));
    margin-bottom: calc(5vh + env(safe-area-inset-bottom));
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.anime-card img,
.banner-background {
  will-change: transform;
  backface-visibility: hidden;
}

/* Reduce motion for better performance on low-end devices */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== DARK MODE OPTIMIZATIONS ===== */
@media (prefers-color-scheme: dark) {
  :root {
    --background-dark: #000000;
    --background-light: #111111;
    --text-secondary: #999999;
  }
}

/* ===== HIGH CONTRAST MODE ===== */
@media (prefers-contrast: high) {
  .anime-card,
  .btn,
  .modal-content {
    border: 2px solid var(--text-primary);
  }
  
  .banner-content {
    background: rgba(0, 0, 0, 0.9);
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .navbar,
  .hero-banner,
  .modal-overlay,
  .install-prompt {
    display: none !important;
  }
  
  .anime-grid {
    grid-template-columns: repeat(3, 1fr) !important;
  }
}

/* ===== FOCUS MANAGEMENT FOR ACCESSIBILITY ===== */
.anime-card:focus,
.btn:focus,
button:focus,
input:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ===== LOADING STATES FOR MOBILE ===== */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.loading i {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
  color: var(--primary-color);
}

/* ===== SWIPE GESTURES SUPPORT ===== */
.swipeable {
  touch-action: pan-x;
  user-select: none;
}

/* ===== MOBILE SEARCH ENHANCEMENTS ===== */
@media (max-width: 768px) {
  .search-dropdown {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--background-dark);
    border-radius: 0;
    max-height: none;
    z-index: 10001;
    padding: calc(env(safe-area-inset-top) + 60px) var(--spacing-md) var(--spacing-md);
  }
  
  .search-dropdown-close {
    position: absolute;
    top: calc(env(safe-area-inset-top) + 10px);
    right: var(--spacing-md);
    z-index: 10002;
  }
  
  .search-results {
    height: calc(100vh - 120px - env(safe-area-inset-top));
    overflow-y: auto;
  }
}

/* ===== TABLET OPTIMIZATIONS ===== */
@media (min-width: 768px) and (max-width: 1024px) {
  .anime-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--spacing-lg);
  }
  
  .hero-banner {
    height: 70vh;
  }
  
  .banner-title {
    font-size: 2.5rem;
  }
  
  .nav-container {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}