/* ===========================================
   Super Maths Hero - Responsive CSS
   Media Queries for iPhone, iPad, MacOS
   =========================================== */

/* ===== Base Mobile First (320px+) ===== */
/* Default styles in main.css and components.css */

/* ===== All Mobile Phones (up to 480px) ===== */
@media screen and (max-width: 480px) {
  /* Settings screen - full width layout */
  #settings-screen .screen-content {
    padding: 0;
    max-width: 100%;
  }

  .settings-scroll {
    padding: var(--space-sm);
  }

  .screen-header-fixed {
    padding: var(--space-sm);
    margin-bottom: var(--space-md);
  }

  /* Cards full width with proper padding */
  .settings-content .card {
    border-radius: var(--radius-md);
    margin: 0;
  }

  /* Difficulty buttons responsive */
  .difficulty-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .difficulty-btn {
    flex: 1 1 calc(33.33% - var(--space-sm));
    min-width: 0;
    text-align: center;
    white-space: nowrap;
  }

  /* Timer options responsive grid */
  .timer-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(60px, 1fr));
    gap: var(--space-sm);
    width: 100%;
  }

  .timer-btn {
    min-width: 0;
    padding: var(--space-sm) var(--space-xs);
  }

  /* Input method full width */
  .input-method-btn {
    min-width: 0;
  }

  /* Slider full width */
  .form-range {
    width: 100%;
  }

  /* Toggle full width */
  .toggle {
    width: 100%;
    justify-content: space-between;
  }

  /* Reset card */
  .card-danger {
    margin-bottom: var(--space-lg);
  }
}

/* ===== iPhone SE / Small Phones (320-375px) ===== */
@media screen and (max-width: 375px) {
  :root {
    --font-size-hero: 2.5rem;
    --font-size-xxxl: 1.75rem;
    --font-size-xxl: 1.5rem;
    --font-size-xl: 1.25rem;
  }

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

  .problem-display {
    font-size: 2.5rem;
    padding: var(--space-lg);
  }

  .numpad {
    max-width: 260px;
  }

  .numpad-btn {
    font-size: var(--font-size-xl);
  }

  .btn-xl {
    padding: var(--space-lg) var(--space-xl);
    font-size: var(--font-size-xl);
  }

  .mode-card {
    padding: var(--space-lg);
    min-height: 160px;
  }

  .mode-card .mode-icon {
    font-size: 2rem;
  }

  .badge {
    width: 60px;
    height: 60px;
    font-size: 2rem;
  }

  .stat-box {
    min-width: 60px;
    padding: var(--space-sm);
  }

  .stat-value {
    font-size: var(--font-size-xl);
  }

  /* Settings screen adaptations */
  .settings-scroll {
    padding: var(--space-sm);
  }

  .settings-content {
    gap: var(--space-md);
  }

  .settings-content .card {
    padding: var(--space-md);
  }

  .card-title {
    font-size: var(--font-size-md);
    margin-bottom: var(--space-sm);
  }

  /* Difficulty buttons - full width grid */
  .difficulty-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
  }

  .difficulty-btn {
    padding: var(--space-sm) var(--space-xs);
    font-size: var(--font-size-sm);
  }

  /* Operations grid - single column */
  .operations-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .operation-checkbox {
    padding: var(--space-sm);
  }

  .operation-label {
    font-size: var(--font-size-sm);
  }

  #select-all-ops {
    width: 100%;
    font-size: var(--font-size-sm);
  }

  /* Timer buttons - compact grid */
  .timer-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xs);
  }

  .timer-btn {
    padding: var(--space-sm);
    font-size: var(--font-size-sm);
    min-width: auto;
  }

  /* Input method buttons */
  .input-method-btn {
    padding: var(--space-sm);
    font-size: var(--font-size-sm);
  }

  /* Range slider */
  .range-value {
    font-size: var(--font-size-xl);
  }

  /* Toggle switches */
  .toggle-label {
    font-size: var(--font-size-sm);
  }

  /* Back button compact */
  .btn-back {
    padding: var(--space-xs) var(--space-sm);
  }

  .btn-back-text {
    display: none;
  }

  .screen-header-fixed .screen-title {
    font-size: var(--font-size-lg);
  }
}

/* ===== iPhone Standard (376-414px) ===== */
@media screen and (min-width: 376px) and (max-width: 414px) {
  :root {
    --font-size-hero: 3rem;
  }

  .problem-display {
    font-size: 3rem;
  }

  .numpad {
    max-width: 280px;
  }

  /* Settings screen adaptations */
  .settings-scroll {
    padding: var(--space-sm) var(--space-md);
  }

  .settings-content {
    gap: var(--space-md);
  }

  .settings-content .card {
    padding: var(--space-md);
  }

  /* Difficulty buttons - full width */
  .difficulty-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .difficulty-btn {
    padding: var(--space-sm) var(--space-xs);
    font-size: var(--font-size-md);
  }

  /* Operations grid - 2 columns */
  .operations-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }

  .operation-checkbox {
    padding: var(--space-sm);
  }

  .operation-label {
    font-size: var(--font-size-sm);
  }

  #select-all-ops {
    width: 100%;
  }

  /* Timer buttons grid */
  .timer-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
  }

  .timer-btn {
    padding: var(--space-sm);
    font-size: var(--font-size-sm);
    min-width: auto;
  }

  /* First timer button (Désactivé) on its own row */
  .timer-options .timer-btn:first-child {
    grid-column: 1 / -1;
  }
}

/* ===== iPhone Plus / Max (415-480px) ===== */
@media screen and (min-width: 415px) and (max-width: 480px) {
  :root {
    --font-size-hero: 3.5rem;
  }

  .problem-display {
    font-size: 3.5rem;
  }

  .numpad {
    max-width: 320px;
  }

  .choices-grid {
    max-width: 380px;
  }
}

/* ===== Small Tablets / Large Phones (481-767px) ===== */
@media screen and (min-width: 481px) and (max-width: 767px) {
  :root {
    --font-size-hero: 4rem;
  }

  .screen {
    padding: var(--space-xl);
    max-width: 600px;
    margin: 0 auto;
  }

  .problem-display {
    font-size: 4rem;
  }

  .numpad {
    max-width: 350px;
  }

  .choices-grid {
    max-width: 450px;
  }

  .mode-card {
    padding: var(--space-xl);
    min-height: 220px;
  }
}

/* ===== iPad Portrait (768-1023px) ===== */
@media screen and (min-width: 768px) and (max-width: 1023px) {
  :root {
    --font-size-hero: 5rem;
    --font-size-xxxl: 2.5rem;
    --font-size-xxl: 2rem;
  }

  html {
    font-size: 18px;
  }

  .screen {
    padding: var(--space-xxl);
    max-width: 700px;
    margin: 0 auto;
  }

  .problem-display {
    font-size: 5rem;
    padding: var(--space-xxl);
  }

  .numpad {
    max-width: 400px;
    gap: var(--space-md);
  }

  .numpad-btn {
    font-size: var(--font-size-xxxl);
  }

  .choices-grid {
    max-width: 500px;
    gap: var(--space-lg);
  }

  .choice-btn {
    font-size: var(--font-size-xxxl);
    padding: var(--space-xl);
  }

  .mode-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }

  .mode-card {
    min-height: 250px;
  }

  .badge {
    width: 100px;
    height: 100px;
    font-size: 3rem;
  }

  .badges-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .stat-box {
    min-width: 100px;
    padding: var(--space-lg);
  }

  .stat-value {
    font-size: var(--font-size-xxxl);
  }

  /* Mascot larger on iPad */
  .mascot-image {
    max-width: 300px;
  }
}

/* ===== iPad Landscape / Small Desktop (1024-1279px) ===== */
@media screen and (min-width: 1024px) and (max-width: 1279px) {
  :root {
    --font-size-hero: 5rem;
    --font-size-xxxl: 2.5rem;
  }

  html {
    font-size: 18px;
  }

  .screen {
    padding: var(--space-xxl);
    max-width: 900px;
    margin: 0 auto;
  }

  .game-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: start;
  }

  .game-main {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .game-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .problem-display {
    font-size: 4.5rem;
  }

  .numpad {
    max-width: 350px;
  }

  .mode-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .badges-grid {
    grid-template-columns: repeat(5, 1fr);
  }

  /* Hover effects for desktop */
  .btn:hover:not(:disabled) {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-comic-lg);
  }

  .card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 8px 8px 0 #333;
  }
}

/* ===== Desktop (1280px+) ===== */
@media screen and (min-width: 1280px) {
  :root {
    --font-size-hero: 6rem;
    --font-size-xxxl: 3rem;
    --font-size-xxl: 2.25rem;
  }

  html {
    font-size: 18px;
  }

  .screen {
    padding: var(--space-xxl);
    max-width: 1100px;
    margin: 0 auto;
  }

  .game-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--space-xxl);
  }

  .problem-display {
    font-size: 5rem;
    padding: var(--space-xxl);
  }

  .numpad {
    max-width: 380px;
    gap: var(--space-md);
  }

  .numpad-btn {
    font-size: var(--font-size-xxl);
  }

  .choices-grid {
    max-width: 550px;
    gap: var(--space-lg);
  }

  .choice-btn {
    font-size: var(--font-size-xxl);
    padding: var(--space-xl);
  }

  .mode-cards-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }

  .mode-card {
    min-height: 280px;
  }

  .badge {
    width: 110px;
    height: 110px;
    font-size: 3.5rem;
  }

  .badges-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-lg);
  }

  .mascot-image {
    max-width: 350px;
  }
}

/* ===== Large Desktop (1440px+) ===== */
@media screen and (min-width: 1440px) {
  .screen {
    max-width: 1200px;
  }

  .game-layout {
    grid-template-columns: 1fr 450px;
  }

  .badges-grid {
    grid-template-columns: repeat(7, 1fr);
  }
}

/* ===== Landscape Orientation for Mobile ===== */
@media screen and (max-width: 767px) and (orientation: landscape) {
  .screen {
    padding: var(--space-md);
    min-height: auto;
  }

  .home-screen .mascot-image {
    max-width: 120px;
  }

  .game-screen {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
  }

  .problem-display {
    font-size: 2.5rem;
    padding: var(--space-md);
  }

  .numpad {
    max-width: 200px;
  }

  .numpad-btn {
    font-size: var(--font-size-lg);
  }

  .choices-grid {
    max-width: 300px;
  }

  .choice-btn {
    padding: var(--space-md);
    font-size: var(--font-size-xl);
  }

  /* Hide non-essential elements in landscape */
  .landscape-hide {
    display: none;
  }
}

/* ===== iPad Landscape Specific ===== */
@media screen and (min-width: 1024px) and (max-height: 768px) and (orientation: landscape) {
  .screen {
    padding: var(--space-lg);
  }

  .game-layout {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== Touch Device Detection ===== */
@media (hover: none) and (pointer: coarse) {
  /* Remove hover effects on touch devices */
  .btn:hover:not(:disabled) {
    transform: none;
    box-shadow: var(--shadow-comic);
  }

  .card:hover {
    transform: none;
    box-shadow: var(--shadow-comic);
  }

  /* Larger touch targets */
  .btn {
    min-height: 48px;
  }

  .btn-icon {
    min-width: 48px;
    min-height: 48px;
  }

  .toggle-slider {
    width: 64px;
    height: 36px;
  }

  .toggle-slider::before {
    width: 28px;
    height: 28px;
  }

  .toggle-input:checked + .toggle-slider::before {
    transform: translateX(28px);
  }

  /* Numpad optimized for touch */
  .numpad-btn {
    min-height: 56px;
  }
}

/* ===== High Resolution / Retina Displays ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  /* Sharper borders */
  :root {
    --border-comic: 2.5px solid #333333;
  }
}

/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
  .dark-mode-auto {
    --color-bg: #1a1a2e;
    --color-bg-light: #16213e;
    --color-bg-dark: #0f3460;
    --color-text: #f5f5f5;
    --color-text-light: #b0b0b0;
  }

  .dark-mode-auto .card {
    background-color: #16213e;
  }

  .dark-mode-auto .problem-display {
    background-color: #0f3460;
  }
}

/* ===== Print Styles ===== */
@media print {
  .screen {
    display: block !important;
  }

  .btn,
  .numpad,
  .modal-overlay,
  .toast-container {
    display: none !important;
  }

  .badge {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

/* ===== Safe Area Insets (Notch phones) ===== */
@supports (padding: env(safe-area-inset-top)) {
  .header-bar {
    padding-top: calc(var(--space-md) + env(safe-area-inset-top));
  }

  .screen {
    padding-left: calc(var(--space-lg) + env(safe-area-inset-left));
    padding-right: calc(var(--space-lg) + env(safe-area-inset-right));
    padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
  }
}

/* ===== Specific Device Fixes ===== */

/* iPhone X/11/12/13/14 Pro (notch) */
@media screen and (device-width: 375px) and (device-height: 812px) and (-webkit-device-pixel-ratio: 3) {
  .screen {
    padding-bottom: calc(var(--space-xl) + 34px);
  }
}

/* iPhone 14 Pro Max */
@media screen and (device-width: 430px) and (device-height: 932px) and (-webkit-device-pixel-ratio: 3) {
  .screen {
    padding-bottom: calc(var(--space-xl) + 34px);
  }
}

/* ===== Grid Layouts ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}

/* Responsive grid */
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-md);
}

@media screen and (min-width: 768px) {
  .grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

/* ===== Container Widths ===== */
.container-sm {
  max-width: 400px;
  margin: 0 auto;
}

.container-md {
  max-width: 600px;
  margin: 0 auto;
}

.container-lg {
  max-width: 800px;
  margin: 0 auto;
}

.container-xl {
  max-width: 1000px;
  margin: 0 auto;
}