/* Africa Countries Game - Styles */
/* Playful & Colorful theme for kids aged 8-12 */

/* ==================== CSS Variables ==================== */
:root {
  /* Primary Colors - Playful palette */
  --color-primary: #4CAF50;         /* Green - main actions */
  --color-primary-dark: #388E3C;
  --color-secondary: #FF9800;       /* Orange - highlights */
  --color-secondary-dark: #F57C00;

  /* Feedback Colors */
  --color-correct: #66BB6A;         /* Light green */
  --color-correct-glow: rgba(102, 187, 106, 0.6);
  --color-incorrect: #EF5350;       /* Red */
  --color-incorrect-glow: rgba(239, 83, 80, 0.6);
  --color-target: #FFB74D;          /* Orange - current target */
  --color-target-glow: rgba(255, 183, 77, 0.8);

  /* UI Colors */
  --color-background: #E8F5E9;      /* Light green tint */
  --color-surface: #FFFFFF;
  --color-header: #2E7D32;          /* Dark green */
  --color-footer: #1B5E20;          /* Darker green */
  --color-text: #1B5E20;
  --color-text-light: #FFFFFF;
  --color-text-muted: #81C784;

  /* Marker Colors */
  --color-marker-default: rgba(76, 175, 80, 0.85);
  --color-marker-border: rgba(255, 255, 255, 0.9);
  --color-marker-selected: #FF9800;

  /* Button Colors */
  --color-btn-primary: #4CAF50;
  --color-btn-primary-hover: #43A047;
  --color-btn-secondary: #FF9800;
  --color-btn-secondary-hover: #FB8C00;
  --color-btn-danger: #f44336;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Typography */
  --font-family: 'Nunito', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;

  /* Map dimensions */
  --map-aspect-ratio: 1180 / 800;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--color-background) 0%, #C8E6C9 100%);
  color: var(--color-text);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

img {
  display: block;
  max-width: 100%;
}

/* ==================== App Container ==================== */
.app {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ==================== Screens ==================== */
.screen {
  display: none;
  flex-direction: column;
  flex: 1;
  animation: fadeIn var(--transition-normal);
}

.screen.active {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ==================== Start Screen ==================== */
.start-screen {
  justify-content: center;
  align-items: center;
  padding: var(--spacing-lg);
  gap: var(--spacing-xl);
  text-align: center;
}

.start-screen__title {
  font-size: clamp(var(--font-size-2xl), 6vw, var(--font-size-4xl));
  font-weight: 800;
  color: var(--color-header);
  text-shadow: 2px 2px 0 rgba(255, 255, 255, 0.5);
  margin-bottom: var(--spacing-sm);
}

.start-screen__subtitle {
  font-size: clamp(var(--font-size-md), 3vw, var(--font-size-xl));
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.start-screen__options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  width: 100%;
  max-width: 400px;
}

.option-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.option-group__label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.country-count-selector {
  display: flex;
  gap: var(--spacing-xs);
  justify-content: center;
  flex-wrap: wrap;
}

.count-btn {
  min-width: 60px;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  font-weight: 600;
  background: var(--color-surface);
  color: var(--color-text);
  border: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

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

.count-btn.active {
  background: var(--color-primary);
  color: white;
  transform: scale(1.05);
}

.toggle-group {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
}

.toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  background: var(--color-surface);
  color: var(--color-text);
  border: 2px solid var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.toggle-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.toggle-btn__icon {
  font-size: var(--font-size-lg);
}

.start-btn {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-xl);
  font-weight: 700;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md), 0 4px 0 var(--color-secondary-dark);
  transition: all var(--transition-fast);
  transform: translateY(0);
}

.start-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 6px 0 var(--color-secondary-dark);
}

.start-btn:active {
  transform: translateY(2px);
  box-shadow: var(--shadow-sm), 0 2px 0 var(--color-secondary-dark);
}

.stats-link {
  margin-top: var(--spacing-md);
  font-size: var(--font-size-md);
  color: var(--color-primary);
  text-decoration: underline;
  background: none;
  transition: color var(--transition-fast);
}

.stats-link:hover {
  color: var(--color-primary-dark);
}

/* ==================== Game Screen ==================== */
.game-screen {
  padding: 0;
}

.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-header);
  color: white;
  gap: var(--spacing-md);
}

.game-header__prompt {
  flex: 1;
  font-size: clamp(var(--font-size-lg), 4vw, var(--font-size-2xl));
  font-weight: 700;
  text-align: center;
}

.game-header__prompt-country {
  color: var(--color-secondary);
}

.game-header__score {
  font-size: var(--font-size-lg);
  font-weight: 600;
  white-space: nowrap;
}

.game-header__timer {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-secondary);
  min-width: 2ch;
  text-align: center;
}

.game-header__timer.warning {
  color: var(--color-incorrect);
  animation: pulse 0.5s ease infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Map Area */
.game-map {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-sm);
  overflow: hidden;
  position: relative;
}

.map-container {
  position: relative;
  max-width: 100%;
  max-height: 100%;
  aspect-ratio: var(--map-aspect-ratio);
}

.map-container__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.map-container__markers {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Country Markers */
.marker {
  position: absolute;
  width: clamp(24px, 4vw, 36px);
  height: clamp(24px, 4vw, 36px);
  border-radius: var(--radius-full);
  background: var(--color-marker-default);
  border: 3px solid var(--color-marker-border);
  display: flex;
  justify-content: center;
  align-items: center;
  transform: translate(-50%, -50%);
  cursor: pointer;
  pointer-events: auto;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.marker:hover {
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: var(--shadow-md);
}

.marker__label {
  font-size: clamp(5px, 1vw, 8px);
  font-weight: 600;
  color: white;
  text-align: center;
  line-height: 1.1;
  padding: 2px;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.marker.hide-label .marker__label {
  opacity: 0;
}

.marker.selected {
  border-color: var(--color-marker-selected);
  border-width: 4px;
}

.marker.target {
  animation: markerPulse 1s ease-in-out infinite;
  border-color: var(--color-target);
  box-shadow: 0 0 0 4px var(--color-target-glow);
}

@keyframes markerPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    box-shadow: 0 0 0 4px var(--color-target-glow);
  }
  50% {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 0 8px var(--color-target-glow);
  }
}

.marker.correct {
  background: var(--color-correct);
  border-color: white;
  animation: correctPop 0.5s ease;
}

@keyframes correctPop {
  0% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.3); }
  100% { transform: translate(-50%, -50%) scale(1); }
}

.marker.incorrect {
  background: var(--color-incorrect);
  border-color: white;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translate(-50%, -50%); }
  20%, 60% { transform: translate(calc(-50% - 5px), -50%); }
  40%, 80% { transform: translate(calc(-50% + 5px), -50%); }
}

.marker.highlight {
  background: var(--color-target);
  border-color: white;
  box-shadow: 0 0 0 6px var(--color-target-glow);
  z-index: 100;
}

/* Game Footer */
.game-footer {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-footer);
  flex-wrap: wrap;
}

.game-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: 600;
  background: var(--color-btn-primary);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  min-height: 44px;
}

.game-btn:hover {
  background: var(--color-btn-primary-hover);
}

.game-btn:active {
  transform: scale(0.95);
}

.game-btn--secondary {
  background: rgba(255, 255, 255, 0.2);
}

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

.game-btn--secondary.active {
  background: var(--color-btn-primary);
}

.game-btn--danger {
  background: var(--color-btn-danger);
}

.game-btn__icon {
  font-size: var(--font-size-lg);
}

/* Countdown Overlay */
.countdown-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  justify-content: center;
  align-items: center;
  pointer-events: none;
  z-index: 1000;
}

.countdown-overlay.visible {
  display: flex;
}

.countdown-overlay__number {
  font-size: 50vmin;
  font-weight: 800;
  color: rgba(239, 83, 80, 0.3);
  text-shadow: 0 0 40px rgba(239, 83, 80, 0.5);
  animation: countdownPulse 1s ease-in-out;
}

@keyframes countdownPulse {
  0% { transform: scale(0.5); opacity: 0; }
  50% { transform: scale(1.1); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

/* Game Over Overlay */
.game-over-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  padding: var(--spacing-lg);
}

.game-over-overlay.visible {
  display: flex;
}

.game-over-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  max-width: 400px;
  width: 100%;
  animation: slideUp 0.4s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.game-over-card__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-header);
  margin-bottom: var(--spacing-md);
}

.game-over-card__score {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--spacing-sm);
}

.game-over-card__message {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.game-over-card__actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* ==================== Stats Screen ==================== */
.stats-screen {
  padding: var(--spacing-md);
}

.stats-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.stats-header__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-header);
}

.back-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.back-btn:hover {
  background: var(--color-primary-dark);
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.stat-card {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-card__value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--spacing-xs);
}

.stats-countries {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-sm);
}

.stats-countries__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--color-header);
}

.stats-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  max-height: 50vh;
  overflow-y: auto;
}

.stats-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm);
  background: var(--color-background);
  border-radius: var(--radius-sm);
}

.stats-item__name {
  font-weight: 500;
  font-size: var(--font-size-sm);
}

.stats-item__score {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.stats-item__score--good {
  color: var(--color-correct);
}

.stats-item__score--bad {
  color: var(--color-incorrect);
}

.stats-actions {
  margin-top: var(--spacing-lg);
  display: flex;
  justify-content: center;
}

.reset-btn {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-md);
  background: var(--color-btn-danger);
  color: white;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.reset-btn:hover {
  opacity: 0.9;
}

/* ==================== Utility Classes ==================== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==================== Responsive ==================== */
@media (max-width: 600px) {
  .game-header {
    flex-wrap: wrap;
    justify-content: center;
  }

  .game-header__prompt {
    order: -1;
    flex-basis: 100%;
  }

  .game-footer {
    gap: var(--spacing-xs);
  }

  .game-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: var(--font-size-xs);
  }

  .toggle-group {
    flex-direction: column;
  }
}

@media (min-width: 1024px) {
  .start-screen {
    padding: var(--spacing-xl);
  }

  .start-screen__options {
    max-width: 500px;
  }

  .game-map {
    padding: var(--spacing-md);
  }
}

/* ==================== Print ==================== */
@media print {
  .game-footer,
  .game-header,
  .start-screen,
  .stats-screen {
    display: none;
  }
}