/* DrawAFish Premium Responsive Design - Mobile-First Approach */

/* ========================================
   Base Mobile Styles (Default)
   Mobile First: 0 - 639px
   ======================================== */

/* Mobile Layout Defaults */
.container {
  width: 100%;
  padding: 0 16px;
  margin: 0 auto;
}

/* Mobile-specific adjustments for dark theme */
@media (max-width: 639px) {
  /* Remove body padding on mobile for full-width canvas */
  body {
    padding: 0;
  }
  
  /* Reduce particle effects on mobile for performance */
  .particle-bg {
    display: none;
  }
  
  /* Simplify glassmorphism on mobile */
  .glass-card {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  
  /* Hero Section Mobile */
  .hero-title {
    font-size: var(--text-4xl);
  }
  
  .hero-subtitle {
    font-size: var(--text-base);
  }
  
  /* Canvas Mobile */
  #draw-canvas {
    max-width: 100%;
    height: auto;
    width: 100%;
  }
  
  .canvas-container {
    padding: 0;
  }
  
  /* Drawing Area Mobile */
  .drawing-area {
    padding: 40px 0;
  }
  
  /* Hero Section Mobile */
  .hero-section h1 {
    font-size: var(--text-3xl);
  }
  
  .hero-section p {
    font-size: var(--text-base);
  }
  
  /* Navigation Mobile */
  .nav-bar {
    width: calc(100% - 40px) !important;
    padding: 8px 16px !important;
    flex-wrap: wrap;
    gap: 10px !important;
  }
  
  .nav-link {
    font-size: var(--text-sm);
  }
  
  /* Action Buttons Mobile */
  .action-nav {
    flex-direction: column;
  }
  
  .btn-premium {
    width: 100%;
    padding: 12px 20px;
  }
  
  /* Tank Control Panel Mobile */
  .control-panel {
    position: static !important;
    width: 100% !important;
    margin: 20px 0;
    border-radius: 16px !important;
  }
  
  /* Fish Grid Mobile */
  .fish-grid {
    grid-template-columns: 1fr !important;
  }
  
  /* Profile Stats Mobile */
  .profile-stats {
    grid-template-columns: 1fr !important;
  }
  
  /* Login Container Mobile */
  .login-container {
    margin: 20px;
    padding: 30px 20px;
  }
  
  /* Hide floating tips on mobile */
  .floating-tip {
    display: none !important;
  }
}

/* Mobile Cards */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
}

/* Mobile Forms */
.form-row {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* Mobile Buttons */
.btn-block-mobile {
  width: 100%;
  display: block;
}

/* Mobile Text */
.text-mobile-center {
  text-align: center;
}

/* Mobile Spacing */
.p-mobile-sm {
  padding: var(--spacing-sm);
}

.m-mobile-0 {
  margin: 0;
}

/* Hide desktop elements on mobile */
.desktop-only {
  display: none;
}

.mobile-only {
  display: block;
}

/* Mobile Canvas/Drawing Area */
#draw-canvas,
#swim-canvas {
  width: 100%;
  height: auto;
  max-width: 100vw;
}

/* Mobile Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
  display: flex;
  justify-content: space-around;
  padding: var(--spacing-sm);
  z-index: var(--z-sticky);
}

.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-xs);
  transition: color var(--transition-fast);
}

.bottom-nav-item.active {
  color: var(--primary-ocean);
}

.bottom-nav-icon {
  font-size: var(--font-size-xl);
}

/* ========================================
   Small Tablets: 640px - 767px
   ======================================== */

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
  
  /* Grid layouts for small tablets */
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-sm-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
  }
  
  /* Form improvements */
  .form-row {
    flex-direction: row;
  }
  
  .form-row > * {
    flex: 1;
  }
  
  /* Hide/Show utilities */
  .hide-sm {
    display: none;
  }
  
  .show-sm {
    display: block;
  }
}

/* ========================================
   Tablets: 768px - 1023px
   ======================================== */

@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
    padding: 0 var(--spacing-lg);
  }
  
  /* Navigation becomes horizontal */
  .mobile-menu-toggle {
    display: none;
  }
  
  .navbar-menu {
    display: flex;
    position: static;
    flex-direction: row;
    box-shadow: none;
    padding: 0;
    background: transparent;
  }
  
  /* Hide mobile bottom nav */
  .bottom-nav {
    display: none;
  }
  
  /* Grid layouts */
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .grid-md-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .grid-md-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
  }
  
  /* Tablet specific layouts */
  .sidebar-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-xl);
  }
  
  /* Typography adjustments */
  h1 {
    font-size: calc(var(--font-size-5xl) * 1.1);
  }
  
  h2 {
    font-size: calc(var(--font-size-4xl) * 1.1);
  }
  
  /* Hide/Show utilities */
  .hide-md {
    display: none;
  }
  
  .show-md {
    display: block;
  }
  
  .desktop-only {
    display: block;
  }
  
  .mobile-only {
    display: none;
  }
}

/* ========================================
   Desktop: 1024px - 1279px
   ======================================== */

@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
  
  /* Desktop grid layouts */
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .grid-lg-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
  }
  
  .grid-lg-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
  }
  
  .grid-lg-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Desktop sidebar layout */
  .sidebar-layout {
    grid-template-columns: 300px 1fr;
  }
  
  /* Two column layout */
  .two-column-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
  
  /* Hero sections */
  .hero {
    padding: var(--spacing-3xl) var(--spacing-xl);
  }
  
  .hero-title {
    font-size: var(--font-size-5xl);
  }
  
  .hero-subtitle {
    font-size: var(--font-size-xl);
  }
  
  /* Modal sizes */
  .modal-content {
    max-width: 600px;
  }
  
  .modal-lg .modal-content {
    max-width: 800px;
  }
  
  .modal-xl .modal-content {
    max-width: 1200px;
  }
  
  /* Hide/Show utilities */
  .hide-lg {
    display: none;
  }
  
  .show-lg {
    display: block;
  }
}

/* ========================================
   Large Desktop: 1280px - 1535px
   ======================================== */

@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
  
  /* Large desktop grid layouts */
  .card-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .grid-xl-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
  }
  
  .grid-xl-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-xl);
  }
  
  .grid-xl-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-xl);
  }
  
  /* Large desktop specific */
  .container-wide {
    max-width: 1440px;
  }
  
  /* Typography for large screens */
  html {
    font-size: 17px;
  }
  
  /* Hide/Show utilities */
  .hide-xl {
    display: none;
  }
  
  .show-xl {
    display: block;
  }
}

/* ========================================
   Extra Large Desktop: 1536px+
   ======================================== */

@media (min-width: 1536px) {
  .container {
    max-width: var(--container-2xl);
  }
  
  /* Extra large grid layouts */
  .grid-2xl-6 {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-2xl);
  }
  
  /* Typography for extra large screens */
  html {
    font-size: 18px;
  }
  
  /* Hide/Show utilities */
  .hide-2xl {
    display: none;
  }
  
  .show-2xl {
    display: block;
  }
}

/* ========================================
   Portrait/Landscape Specific
   ======================================== */

/* Portrait orientation */
@media (orientation: portrait) {
  .landscape-only {
    display: none;
  }
  
  .portrait-only {
    display: block;
  }
  
  /* Adjust canvas for portrait */
  #swim-canvas {
    height: 50vh;
  }
}

/* Landscape orientation */
@media (orientation: landscape) {
  .portrait-only {
    display: none;
  }
  
  .landscape-only {
    display: block;
  }
  
  /* Optimize for landscape viewing */
  #swim-canvas {
    height: 80vh;
  }
}

/* Mobile landscape specific adjustments */
@media (max-width: 767px) and (orientation: landscape) {
  .hero {
    padding: var(--spacing-md);
  }
  
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  /* Reduce vertical spacing in landscape mobile */
  .navbar {
    padding: var(--spacing-sm) 0;
  }
  
  .bottom-nav {
    padding: var(--spacing-xs);
  }
}

/* ========================================
   High Resolution Displays
   ======================================== */

/* Retina displays */
@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
  /* Use higher resolution images */
  .retina-image {
    background-size: 50% auto;
  }
  
  /* Sharper borders */
  * {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

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

@media print {
  /* Hide unnecessary elements */
  .navbar,
  .bottom-nav,
  .btn,
  .modal,
  .no-print {
    display: none !important;
  }
  
  /* Reset colors for print */
  body {
    background: white;
    color: black;
  }
  
  /* Ensure content fits on page */
  .container {
    width: 100%;
    max-width: none;
  }
  
  /* Page breaks */
  .page-break {
    page-break-after: always;
  }
  
  .avoid-break {
    page-break-inside: avoid;
  }
}

/* ========================================
   Utility Classes for Responsive Design
   ======================================== */

/* Flexbox utilities */
.flex-mobile {
  display: flex;
}

.flex-col-mobile {
  flex-direction: column;
}

@media (min-width: 768px) {
  .flex-md {
    display: flex;
  }
  
  .flex-row-md {
    flex-direction: row;
  }
  
  .flex-col-md {
    flex-direction: column;
  }
}

@media (min-width: 1024px) {
  .flex-lg {
    display: flex;
  }
  
  .flex-row-lg {
    flex-direction: row;
  }
}

/* Text alignment responsive */
.text-center-mobile {
  text-align: center;
}

@media (min-width: 768px) {
  .text-left-md {
    text-align: left;
  }
  
  .text-center-md {
    text-align: center;
  }
  
  .text-right-md {
    text-align: right;
  }
}

/* Spacing responsive utilities */
.p-0-mobile { padding: 0; }
.p-1-mobile { padding: var(--spacing-xs); }
.p-2-mobile { padding: var(--spacing-sm); }
.p-3-mobile { padding: var(--spacing-md); }

@media (min-width: 768px) {
  .p-0-md { padding: 0; }
  .p-1-md { padding: var(--spacing-xs); }
  .p-2-md { padding: var(--spacing-sm); }
  .p-3-md { padding: var(--spacing-md); }
  .p-4-md { padding: var(--spacing-lg); }
  .p-5-md { padding: var(--spacing-xl); }
}

@media (min-width: 1024px) {
  .p-0-lg { padding: 0; }
  .p-4-lg { padding: var(--spacing-lg); }
  .p-5-lg { padding: var(--spacing-xl); }
  .p-6-lg { padding: var(--spacing-2xl); }
}

/* Width utilities */
.w-full { width: 100%; }
.w-half { width: 50%; }
.w-third { width: 33.333%; }
.w-quarter { width: 25%; }

@media (min-width: 768px) {
  .w-full-md { width: 100%; }
  .w-half-md { width: 50%; }
  .w-third-md { width: 33.333%; }
  .w-quarter-md { width: 25%; }
}

/* Order utilities for flexbox */
.order-1 { order: 1; }
.order-2 { order: 2; }
.order-3 { order: 3; }

@media (min-width: 768px) {
  .order-1-md { order: 1; }
  .order-2-md { order: 2; }
  .order-3-md { order: 3; }
}

/* Overflow utilities */
.overflow-hidden-mobile {
  overflow: hidden;
}

.overflow-auto-mobile {
  overflow: auto;
}

@media (min-width: 768px) {
  .overflow-visible-md {
    overflow: visible;
  }
}

/* ========================================
   Modern UI Responsive Enhancements
   For Premium Glassmorphism Design
   ======================================== */

/* Enhanced Desktop Experience */
@media (min-width: 1024px) {
  /* Full particle effects on desktop */
  .particle-bg {
    display: block;
  }
  
  /* Enhanced glassmorphism on desktop */
  .glass-card {
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
  }
  
  /* Desktop-optimized control panel */
  .control-panel {
    position: fixed !important;
    animation: slideIn 0.5s ease;
  }
  
  /* Show all floating elements */
  .floating-tip,
  .challenge-card {
    display: block !important;
  }
  
  /* Large screen typography */
  .hero-title {
    font-size: calc(3rem * 1.2);
  }
}

/* Ultra-wide displays */
@media (min-width: 1920px) {
  .container,
  .ranking-container,
  .profile-container {
    max-width: 1600px;
  }
  
  .fish-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

/* Print styles for modern UI */
@media print {
  .particle-bg,
  .nav-bar,
  .control-panel,
  .floating-tip {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .glass-card {
    background: white;
    border: 1px solid black;
    box-shadow: none;
  }
}

/* Animations for responsive transitions */
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(100px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}