/* Base Styles and Variables */
:root {
  /* Main color palette */
  --color-primary: #2196F3;
  --color-secondary: #4CAF50;
  --color-accent: #FFC107;
  --color-error: #F44336;
  --color-purple: #9C27B0;
  
  /* Light theme */
  --bg-color: #f8f9fa;
  --bg-card: #ffffff;
  --text-primary: #212121;
  --text-secondary: #757575;
  --border-color: #e0e0e0;
  --shadow-color: rgba(0, 0, 0, 0.08);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Border radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  /* Font sizes */
  --font-xs: 0.75rem;
  --font-sm: 0.875rem;
  --font-md: 1rem;
  --font-lg: 1.25rem;
  --font-xl: 1.5rem;
  --font-xxl: 2rem;
}

/* Dark theme variables */
.dark-theme {
  --bg-color: #121212;
  --bg-card: #1e1e1e;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --border-color: #333333;
  --shadow-color: rgba(0, 0, 0, 0.2);
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  height: 100%;
 
  background-color: darkslategray;
}


body {
  
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s, color 0.3s;
  padding-bottom: 100px; /* Garante espaço para o footer fixo, mesmo com conteúdo dinâmico */
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  color: var(--text-primary);
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

/* App Container */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
  flex: 1;
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
  overflow-x: hidden;
}

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

.app-header h1 {
  font-size: var(--font-xxl);
  color: var(--color-primary);
}

.screen {
  margin-bottom: 7rem;
}

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

.screen-header h2 {
  font-size: var(--font-xl);
  flex-grow: 1;
  text-align: center;
}

/* Buttons */
.icon-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--bg-card);
  color: var(--text-primary);
  box-shadow: 0 2px 5px var(--shadow-color);
  transition: background-color 0.2s, transform 0.2s;
}

.icon-button:hover {
  background-color: rgba(33, 150, 243, 0.1);
}

.icon-button:active {
  transform: scale(0.95);
}

.primary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  box-shadow: 0 2px 5px rgba(33, 150, 243, 0.3);
  transition: background-color 0.2s, transform 0.2s;
}

.primary-button:hover {
  background-color: #1976d2;
}

.primary-button:active {
  transform: scale(0.98);
}

.secondary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: rgba(33, 150, 243, 0.1);
  color: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color 0.2s, transform 0.2s;
}

.secondary-button:hover {
  background-color: rgba(33, 150, 243, 0.2);
}

.secondary-button:active {
  transform: scale(0.98);
}

.text-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  color: var(--color-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color 0.2s;
}

.text-button:hover {
  background-color: rgba(33, 150, 243, 0.05);
}

.danger-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: var(--color-error);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: background-color 0.2s, transform 0.2s;
}

.danger-button:hover {
  background-color: #d32f2f;
}

.back-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-primary);
  transition: background-color 0.2s;
}

.back-button:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

.play-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  box-shadow: 0 2px 5px rgba(33, 150, 243, 0.3);
  transition: background-color 0.2s, transform 0.2s;
}

.play-button:hover {
  background-color: #1976d2;
  transform: scale(1.05);
}

.play-button:active {
  transform: scale(0.95);
}

/* Bento Grid Layout */
.bento-grid {
  display: flex;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.bento-item {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 4px 6px var(--shadow-color);
  transition: transform 0.2s, box-shadow 0.2s;
  width: 100%;
  max-width: 1200px;
}

.bento-item stats {
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
}


.bento-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px var(--shadow-color);
}

.highlight {
  grid-column: 1 / -1;
  background-color: rgba(33, 150, 243, 0.05);
  border-left: 4px solid var(--color-primary);
}

.challenge {
  background-color: rgba(255, 193, 7, 0.05);
  border-left: 4px solid var(--color-accent);
}

.stats {
  background-color: rgba(76, 175, 80, 0.05);
  border-left: 4px solid var(--color-secondary);
}

.settings {
  background-color: rgba(156, 39, 176, 0.05);
  border-left: 4px solid var(--color-purple);
}

/* Mini Stats */
.mini-stats {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-value {
  font-size: var(--font-xl);
  font-weight: bold;
  color: var(--text-primary);
}

.stat-label {
  font-size: var(--font-xs);
  color: var(--text-secondary);
}

.mini-chart {
  height: 100px;
  margin-bottom: var(--spacing-md);
}

/* Tabs */
.category-tabs, .progress-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  
  overflow-x: auto;
  padding-bottom: var(--spacing-sm);
}

.tab-button {
  margin-top: 2rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  white-space: nowrap;
  transition: background-color 0.2s, color 0.2s;
}

.tab-button:hover {
  background-color: rgba(33, 150, 243, 0.05);
  color: var(--color-primary);
}

.tab-button.active {
  background-color: rgba(33, 150, 243, 0.1);
  color: var(--color-primary);
  font-weight: 500;
}

/* Games Grid */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.game-card {
  display: flex;
  align-items: center;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: 0 2px 4px var(--shadow-color);
  transition: transform 0.2s, box-shadow 0.2s;
}

.game-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px var(--shadow-color);
}

.game-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  margin-right: var(--spacing-md);
  color: white;
}

.game-info {
  flex: 1;
}

.game-info h3 {
  font-size: var(--font-md);
  margin-bottom: var(--spacing-xs);
}

.game-info p {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* Game Execution Screen */
.game-timer {
  font-size: var(--font-lg);
  font-weight: bold;
  color: var(--color-primary);
}

.game-instructions {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.game-instructions h3 {
  margin-bottom: var(--spacing-md);
}

.game-instructions p {
  margin-bottom: var(--spacing-lg);
}

.game-area {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  min-height: 300px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.game-results {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  display: none;
}

.result-stats {
  display: flex;
  justify-content: space-around;
  margin: var(--spacing-lg) 0;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.result-value {
  font-size: var(--font-xl);
  font-weight: bold;
  color: var(--color-primary);
}

.result-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.result-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Progress Screen */
.progress-summary {
  display: flex;
  justify-content: space-around;
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.summary-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.summary-value {
  font-size: var(--font-xl);
  font-weight: bold;
  color: var(--color-primary);
}

.summary-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
}

.progress-chart {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.progress-chart h3 {
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.recent-games {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.recent-games h3 {
  margin-bottom: var(--spacing-md);
}

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

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

.game-history-info {
  display: flex;
  flex-direction: column;
}

.game-history-title {
  font-weight: 500;
  color: var(--text-primary);
}

.game-history-date {
  font-size: var(--font-xs);
  color: var(--text-secondary);
}

.game-history-score {
  font-weight: bold;
  color: var(--color-primary);
}

/* Settings Screen */
.settings-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.setting-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.setting-info span {
  color: var(--text-primary);
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: .4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .toggle-slider {
  background-color: var(--color-primary);
}

input:checked + .toggle-slider:before {
  transform: translateX(26px);
}

.reminder-time {
  display: none;
}

.danger-zone {
  margin-top: var(--spacing-lg);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  width: 90%;
  max-width: 400px;
}

.modal-content h3 {
  margin-bottom: var(--spacing-md);
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Screens Management */
.screen {
  display: none;
}

.screen.active {
  display: block;
}

/* Footer */
.app-footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  min-height: 70px;
  text-align: center;
  padding: var(--spacing-md);
  background-color: var(--bg-card);
  color: var(--text-secondary);
  font-size: var(--font-sm);
  z-index: 100;
  box-shadow: 0 -2px 8px var(--shadow-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
 
}

/* Game-specific Styles */
/* Color Sequence Game */
.color-btn {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-md);
  margin: var(--spacing-sm);
  transition: transform 0.2s, opacity 0.2s;
}

.color-btn:active, .color-btn.active {
  transform: scale(0.95);
  opacity: 0.8;
}

.color-sequence-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Number Flash Game */
.number-display {
  font-size: 5rem;
  font-weight: bold;
  color: var(--color-primary);
  text-align: center;
}

.number-input {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.number-input input {
  padding: var(--spacing-md);
  font-size: var(--font-lg);
  width: 100%;
  max-width: 500px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
  background-color: var(--bg-color);
  color: var(--text-primary);
}

/* Find Different Game */
.icons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
 
  max-width: 500px;
  margin: 0 auto;
}

.icon-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-size: var(--font-xl);
  cursor: pointer;
  transition: transform 0.2s;
}

.icon-item:hover {
  transform: scale(1.05);
}

/* Quick Targets Game */
.targets-area {
  position: relative;
  width: 100%;
  height: 300px;
  background-color: var(--bg-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.target {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-error);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: transform 0.1s;
}

.target:hover {
  transform: scale(1.1);
}

/* Colored Letters Game */
.letters-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  max-width: 500px;
  margin: 0 auto;
}

.letter-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  font-size: var(--font-xl);
  font-weight: bold;
  cursor: pointer;
  transition: transform 0.2s;
}

.letter-item:hover {
  transform: scale(1.05);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --font-xxl: 1.75rem;
    --font-xl: 1.25rem;
  }
  
  .bento-grid {
    grid-template-columns: 1fr;
  }
  
  .game-card {
    flex-direction: column;
    text-align: center;
  }
  
  .game-icon {
    margin-right: 0;
    margin-bottom: var(--spacing-md);
  }
  
  .play-button {
    margin-top: var(--spacing-md);
  }
  
  .result-stats, .progress-summary {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .icons-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .result-buttons {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .color-btn {
    width: 60px;
    height: 60px;
  }
}

@media (max-width: 480px) {
  .app-container {
    padding: var(--spacing-sm);
  }
  
  .icons-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .setting-item {
    padding: var(--spacing-md);
  }
  
  .color-btn {
    width: 50px;
    height: 50px;
  }
}

/* Accessibility Improvements */
:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Animation Keyframes */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

.fadeIn {
  animation: fadeIn 0.3s ease-in;
}

.slideIn {
  animation: slideIn 0.3s ease-out;
}

.pulse {
  animation: pulse 1s infinite;
}

.audio-sequence-container {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
}

.audio-btn {
  width: 90px;
  height: 90px;
  font-size: 2rem;
  font-weight: bold;
  border-radius: var(--radius-lg);
  border: none;
  color: #fff;
  box-shadow: 0 2px 8px var(--shadow-color);
  transition: transform 0.15s, box-shadow 0.15s;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.audio-btn:active, .audio-btn.active {
  transform: scale(0.95);
  box-shadow: 0 1px 4px var(--shadow-color);
  opacity: 0.85;
}

@media (max-width: 600px) {
  .audio-btn {
    width: 60px;
    height: 60px;
    font-size: 1.2rem;
  }
}

/* Exemplo para overlays, modais, drag & drop ficarem acima do footer */
.modal, .drag-overlay, .dropdown-menu, .dragging, .drag-preview {
  z-index: 9999 !important;
}