/* Variables CSS */
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #10b981;
  --accent: #f59e0b;
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.8);
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --success: #22c55e;
  --error: #ef4444;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
  --transition-normal: 0.3s ease-out;
}

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

body {
  font-family: "Inter", sans-serif;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-md);
  line-height: 1.6;
}

/* Particules */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--primary);
  border-radius: 50%;
  opacity: 0.6;
  animation: float 6s infinite linear;
}

@keyframes float {
  0% {
    transform: translateY(100vh);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-10vh);
    opacity: 0;
  }
}

/* Container principal */
.app-container {
  width: 100%;
  max-width: 1200px;
  height: 85vh;
  max-height: 700px;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.app-container::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
}

/* Écrans */
.screen {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: none;
  flex-direction: column;
  padding: var(--spacing-lg);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.screen.active {
  display: flex;
  opacity: 1;
  animation: slideIn 0.5s ease-out;
}

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

/* En-têtes */
.screen-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.screen-title {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-sm);
}

.screen-subtitle {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Écran d'accueil */
#home-screen {
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-md); /* Ajouter du padding interne */
}

.hero-section {
  margin-bottom: var(--spacing-lg); /* Réduire de xl à lg */
}

.logo-container {
  margin-bottom: var(--spacing-lg); /* Réduire de xl à lg */
}

.logo-icon {
  width: 60px; /* Réduire de 80px à 60px */
  height: 60px; /* Réduire de 80px à 60px */
  margin: 0 auto var(--spacing-md); /* Réduire la marge bottom */
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius-lg);
  position: relative;
  animation: logoFloat 4s ease-in-out infinite;
}

@keyframes logoFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.circuit-board {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 80%;
  height: 80%;
}

.circuit-line {
  position: absolute;
  background: rgba(255, 255, 255, 0.8);
  height: 2px;
  border-radius: 1px;
  animation: circuitPulse 2s infinite;
}

.circuit-line:nth-child(1) {
  width: 60%;
  top: 30%;
  left: 20%;
}
.circuit-line:nth-child(2) {
  width: 40%;
  top: 50%;
  left: 10%;
  animation-delay: 0.5s;
}
.circuit-line:nth-child(3) {
  width: 70%;
  top: 70%;
  left: 15%;
  animation-delay: 1s;
}

.circuit-dot {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: dotPulse 1.5s infinite;
}

.circuit-dot:nth-child(4) {
  top: 27%;
  left: 75%;
}
.circuit-dot:nth-child(5) {
  top: 47%;
  left: 45%;
  animation-delay: 0.5s;
}
.circuit-dot:nth-child(6) {
  top: 67%;
  left: 80%;
  animation-delay: 1s;
}

@keyframes circuitPulse {
  0%,
  100% {
    opacity: 0.4;
  }
  50% {
    opacity: 1;
  }
}

@keyframes dotPulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.3);
  }
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
}

.main-title {
  font-size: 2.2rem; /* Réduire de 2.5rem à 2.2rem */
  font-weight: 900;
  margin-bottom: var(--spacing-sm);
}

.title-tech {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.title-master {
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: var(--spacing-lg); /* Réduire de xl à lg */
}

.stats-preview {
  display: flex;
  gap: var(--spacing-lg); /* Réduire de xl à lg */
  justify-content: center;
  margin-bottom: var(--spacing-lg); /* Réduire de xl à lg */
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-tertiary);
}

.menu-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm); /* Réduire de md à sm */
  max-width: 380px; /* Réduire de 400px à 380px */
  width: 100%;
}

/* Boutons */
.btn-subtitle {
  font-size: 0.75rem; /* Réduire de 0.8rem à 0.75rem */
  font-weight: 400;
  opacity: 0.8;
  display: block;
  margin-top: 0.2rem; /* Réduire de 0.25rem à 0.2rem */
}

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg); /* Réduire le padding vertical */
  border-radius: var(--radius-lg);
  border: none;
  font-family: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  min-height: 55px; /* Réduire de 60px à 55px */
  user-select: none;
  flex-direction: column; /* Pour empiler titre et sous-titre */
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 2px solid rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.1);
  border-color: var(--primary);
}

.btn-back {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.9rem;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid rgba(99, 102, 241, 0.2);
  align-self: flex-start;
  margin-top: auto;
}

.btn-icon {
  font-size: 1.2em;
}

.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(99, 102, 241, 0.7);
  }
  70% {
    box-shadow: var(--shadow-md), 0 0 0 10px rgba(99, 102, 241, 0);
  }
  100% {
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(99, 102, 241, 0);
  }
}

/* Grilles */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex: 1;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

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

.category-icon {
  font-size: 1.8rem;
}

.category-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--primary);
  color: white;
}

.category-badge.software {
  background: var(--secondary);
}
.category-badge.networking {
  background: var(--accent);
}
.category-badge.programming {
  background: var(--error);
}
.category-badge.security {
  background: #a855f7;
}
.category-badge.history {
  background: #06b6d4;
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.category-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

/* Difficulté */
.difficulty-selection {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex: 1;
}

.difficulty-card {
  background: var(--bg-card);
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
}

.difficulty-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary);
}

.difficulty-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-md);
}

.difficulty-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

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

.difficulty-details {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

/* Interface de jeu */
.game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border-bottom: 1px solid rgba(99, 102, 241, 0.3);
  margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) 0;
  margin-bottom: var(--spacing-lg);
}

.game-info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.category-display {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: 0.9rem;
}

.question-counter {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  font-family: "JetBrains Mono", monospace;
}

.score-display {
  text-align: center;
}

.score-label {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.score-value {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: "JetBrains Mono", monospace;
}

.timer-container {
  position: relative;
}

.timer-circle {
  width: 50px;
  height: 50px;
}

.timer-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.timer-bg {
  fill: none;
  stroke: var(--bg-tertiary);
  stroke-width: 4;
}

.timer-progress {
  fill: none;
  stroke: var(--primary);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 283;
  transition: stroke-dashoffset 1s linear;
}

.timer-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
  font-family: "JetBrains Mono", monospace;
}

/* Section question */
.question-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.question-card {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.question-header {
  margin-bottom: var(--spacing-md);
}

.difficulty-badge {
  padding: 0.25rem 0.5rem;
  background: var(--primary);
  color: white;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.question-text {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
}

.answers-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  flex: 1;
}

.answer-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--bg-card);
  border: 2px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: left;
  min-height: 60px;
  user-select: none;
}

.answer-btn:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
}

.answer-letter {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.answer-text {
  flex: 1;
  font-weight: 500;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--text-primary); /* Ajouter cette ligne */
}

.answer-btn.correct {
  border-color: var(--success);
  background: rgba(34, 197, 94, 0.1);
}

.answer-btn.correct .answer-letter {
  background: var(--success);
}

.answer-btn.incorrect {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

.answer-btn.incorrect .answer-letter {
  background: var(--error);
}

.game-actions {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md) 0;
}

.btn-hint,
.btn-skip {
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 0.85rem;
  background: var(--bg-tertiary);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: var(--text-secondary);
  border-radius: var(--radius-lg);
}

/* Feedback */
#feedback-screen {
  justify-content: center;
  align-items: center;
  background: rgba(0, 0, 0, 0.8);
}

.feedback-container {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  width: 90%;
  max-width: 500px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.feedback-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.feedback-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: var(--spacing-md);
}

.feedback-score {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  font-family: "JetBrains Mono", monospace;
}

.feedback-explanation {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  text-align: left;
}

.feedback-explanation h4 {
  color: var(--primary-light);
  margin-bottom: var(--spacing-sm);
}

.feedback-explanation p {
  color: var(--text-secondary);
  line-height: 1.6;
  font-size: 0.9rem;
}

/* Résultats */
.results-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  align-items: center;
  height: 100%;
  overflow-y: auto;
}

.results-header {
  text-align: center;
}

.results-title {
  font-size: 1.8rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--spacing-sm);
}

.results-category {
  color: var(--text-secondary);
}

.score-showcase {
  text-align: center;
}

.final-score {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--secondary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-family: "JetBrains Mono", monospace;
}

.stars-section {
  text-align: center;
}

.stars-container {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.star {
  font-size: 1.5rem;
  opacity: 0.3;
  transition: opacity var(--transition-normal);
}

.star.earned {
  opacity: 1;
  animation: starEarn 0.8s ease-out;
}

@keyframes starEarn {
  0% {
    transform: scale(0);
    opacity: 0;
  }
  50% {
    transform: scale(1.3);
    opacity: 1;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--spacing-md);
  width: 100%;
  max-width: 400px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  text-align: center;
}

.stat-icon {
  font-size: 1.2rem;
  margin-bottom: 0.25rem;
}

.stat-value {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  font-family: "JetBrains Mono", monospace;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.achievement-section {
  width: 100%;
  max-width: 400px;
}

.achievement-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(16, 185, 129, 0.1));
  border: 1px solid var(--primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.achievement-icon {
  font-size: 2rem;
}

.achievement-content h4 {
  font-weight: 700;
  color: var(--primary-light);
  margin-bottom: 0.25rem;
}

.achievement-content p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.results-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

/* Paramètres */
.settings-container {
  flex: 1;
  max-width: 600px;
  margin: 0 auto;
}

.settings-section {
  background: var(--bg-card);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
}

.settings-section-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.setting-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid rgba(99, 102, 241, 0.1);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-info {
  flex: 1;
}

.setting-name {
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.setting-desc {
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

.range-control {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  min-width: 150px;
}

.range-slider {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--bg-tertiary);
  outline: none;
  cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

.range-value {
  font-weight: 700;
  color: var(--primary-light);
  min-width: 40px;
  text-align: center;
  font-family: "JetBrains Mono", monospace;
}

/* Particules de succès */
.success-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1000;
}

.particle-success {
  position: absolute;
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: particleExplode 1s ease-out forwards;
}

@keyframes particleExplode {
  0% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(0) translateY(-100px);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .app-container {
    height: 95vh;
    margin: 0;
  }

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

  .main-title {
    font-size: 2rem;
  }

  .categories-grid {
    grid-template-columns: 1fr;
  }

  .difficulty-selection {
    grid-template-columns: 1fr;
  }

  .answers-container {
    grid-template-columns: 1fr;
  }

  .game-header {
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: center;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .results-actions {
    flex-direction: column;
    width: 100%;
  }

  .stats-preview {
    flex-direction: column;
    gap: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .app-container {
    height: 100vh;
    border-radius: 0;
  }

  .screen {
    padding: var(--spacing-sm);
  }

  .main-title {
    font-size: 1.8rem;
  }

  .final-score {
    font-size: 2rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .answer-btn {
    min-height: 50px;
    padding: var(--spacing-sm);
  }

  .game-header {
    margin: calc(-1 * var(--spacing-sm)) calc(-1 * var(--spacing-sm)) 0;
    margin-bottom: var(--spacing-sm);
  }
}