/* ===== FORTNITE-INSPIRED GAME MODE SELECTION ===== */

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

:root {
  /* Color Palette */
  --primary-blue: #1d76de;
  --dark-blue: #0b1d39;
  --purple: #7531a9;
  --teal: #1ccdc7;
  --orange: #f5a623;
  --white: #ffffff;
  --off-white: #f2f5f7;
  --light-gray: #d8dee6;
  --medium-gray: #9ea8b9;
  --dark-gray: #4a5464;
  --black: #12141d;

  /* Gray Scale for Legacy Support */
  --gray-50: #f9fafb;
  --gray-200: #e5e7eb;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-900: #111827;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1),
    0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1),
    0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}

body {
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--dark-blue);
  background-image: radial-gradient(
      circle at 10% 20%,
      rgba(29, 118, 222, 0.2) 0%,
      transparent 30%
    ),
    radial-gradient(
      circle at 90% 80%,
      rgba(117, 49, 169, 0.2) 0%,
      transparent 30%
    ),
    linear-gradient(135deg, #0b1d39 0%, #12141d 100%);
  color: var(--white);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== BACKGROUND ELEMENTS ===== */
.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(
      rgba(255, 255, 255, 0.02) 1px,
      transparent 1px
    ),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -2;
}

.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(29, 118, 222, 0.1) 0%,
    rgba(117, 49, 169, 0.1) 25%,
    rgba(28, 205, 199, 0.1) 50%,
    rgba(245, 158, 11, 0.1) 75%,
    rgba(29, 118, 222, 0.1) 100%
  );
  background-size: 400% 400%;
  animation: gradientFlow 20s ease infinite;
  z-index: -1;
}

@keyframes gradientFlow {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* ===== NAVIGATION ===== */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(11, 29, 57, 0.8);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-8);
  z-index: 100;
}

.nav-home-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-home-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 15px 5px rgba(29, 118, 222, 0.4);
}

.nav-title {
  font-family: "Poppins", sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--white);
  text-shadow: 0 0 10px rgba(29, 118, 222, 0.5);
}

/* ===== MAIN CONTAINER ===== */
.main-container {
  position: relative;
  z-index: 1;
  padding-top: 70px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}

/* ===== PREVIEW SECTION ===== */
.preview-section {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  background: rgba(11, 29, 57, 0.8);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-md);
  z-index: 10;
}

.preview-image {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.preview-content {
  display: flex;
  flex-direction: column;
}

.preview-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-1);
}

/* ===== GAME MODES SECTION ===== */
.game-modes-section {
  margin-bottom: var(--space-20);
}

.modes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: var(--space-8);
  max-width: 1200px;
  margin: 0 auto;
}

/* ===== FORTNITE-INSPIRED GAME MODE CONTAINER ===== */
.game-modes-container {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  width: 100%;
  max-width: 1400px;
  padding: 0 var(--space-4);
  margin-bottom: var(--space-16);
}

.select-heading {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  letter-spacing: 1px;
  text-align: center;
  margin-top: var(--space-6);
  margin-bottom: var(--space-8);
  text-transform: uppercase;
}

.user-info {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--light-gray);
  font-size: 0.9rem;
}

.user-info-icon {
  font-size: 1.2rem;
}

.mode-card {
  flex: 1;
  max-width: 420px;
  height: 560px;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.mode-card.classic-mode {
  background: linear-gradient(135deg, #5841d9 0%, #7531a9 100%);
  box-shadow: 0 0 20px 5px rgba(117, 49, 169, 0.4);
}

.mode-card.flipquiz-mode {
  background: linear-gradient(135deg, #1355c0 0%, #1d76de 100%);
  box-shadow: 0 0 15px 5px rgba(29, 118, 222, 0.4);
}

.mode-card.cardsnap-mode {
  background: linear-gradient(135deg, #0a9f9b 0%, #1ccdc7 100%);
  box-shadow: 0 0 20px 5px rgba(28, 205, 199, 0.4);
}

.mode-card.coming-soon {
  opacity: 0.7;
  filter: grayscale(0.4);
}

.mode-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(255, 255, 255, 0.3);
}

.mode-card:active {
  transform: translateY(-5px) scale(0.98);
}

.mode-card.coming-soon:hover {
  transform: translateY(-5px);
}

.mode-image {
  width: 100%;
  height: 55%;
  object-fit: contain;
  bottom: 500px;
  transition: transform 0.5s ease;
}

.mode-card:hover .mode-image {
  transform: scale(1.05);
}

.mode-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.9) 0%,
    rgba(0, 0, 0, 0.7) 30%,
    rgba(0, 0, 0, 0.3) 60%,
    rgba(0, 0, 0, 0.1) 100%
  );
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: var(--space-8);
}

.play-icon {
  background: var(--white);
  color: var(--primary-blue);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: var(--shadow-lg);
  transform: scale(0.8);
  transition: transform 0.3s ease;
}

.mode-card:hover .play-icon {
  transform: scale(1);
}

.coming-soon-badge {
  background: var(--orange);
  color: var(--black);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: var(--shadow-md);
}

.mode-content {
  text-align: center;
  width: 100%;
}

.mode-title {
  font-size: 3.5rem;
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  line-height: 1;
  color: var(--white);
}

.mode-subtitle {
  font-size: 1rem;
  font-weight: 500;
  color: var(--light-gray);
  margin-bottom: var(--space-6);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.play-button {
  background: #ffdd00;
  color: var(--black);
  border: none;
  padding: var(--space-3) var(--space-10);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.25rem;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
  letter-spacing: 1px;
}

.play-button:hover {
  background: #ffe94d;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.play-button:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.mode-description {
  color: var(--gray-600);
  line-height: 1.6;
  margin-bottom: var(--space-5);
}

.mode-stats {
  display: flex;
  gap: var(--space-4);
}

.stat {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--gray-50);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
}

.stat-icon {
  font-size: 1rem;
}

/* ===== MODALS ===== */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: var(--space-4);
}

.modal-content {
  background: var(--dark-blue);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 90%;
  max-width: 82dvw;
  height: 75dvh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.close-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all 0.2s ease;
}

.close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

.modal-header h3 {
  font-family: "Poppins", sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--white);
  text-align: center;
  margin-bottom: var(--space-6);
}

.question {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.question-number {
  color: var(--teal);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.6);
}

.question-text {
  color: var(--off-white);
  font-size: 1.125rem;
  margin-bottom: var(--space-4);
  font-weight: 500;
  line-height: 1.6;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.choices {
  display: grid;
  gap: var(--space-3);
}

.choice {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all 0.2s ease;
}

.choice.correct {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
}

.choice-letter {
  background: var(--primary-blue);
  color: var(--white);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.choice.correct .choice-letter {
  background: var(--teal);
}

.choice-text {
  flex: 1;
  color: var(--light-gray);
}

.flipquiz-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  padding: var(--space-4);
}

.flipquiz-modal-content {
  background: var(--dark-blue);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-xl);
  max-width: 600px;
  width: 100%;
}

.flipquiz-modal-title {
  font-family: "Poppins", sans-serif;
  color: var(--white);
  font-size: 1.75rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.flipquiz-modal-subtitle {
  color: var(--light-gray);
  margin-bottom: var(--space-8);
}

.flipquiz-mode-btns {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.flipquiz-mode-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  cursor: pointer;
  transition: all 0.3s ease;
  flex: 1;
  text-align: left;
  color: var(--white);
}

.flipquiz-mode-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 15px 5px rgba(29, 118, 222, 0.4);
  transform: translateY(-2px);
}

.flipquiz-mode-btn.flipquiz-disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.flipquiz-mode-btn.flipquiz-disabled:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: none;
  transform: none;
}

.flipquiz-mode-icon {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-bottom: var(--space-3);
}

.flipquiz-mode-info h4 {
  font-family: "Poppins", sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: var(--space-2);
}

.flipquiz-mode-info p {
  font-size: 0.875rem;
  color: var(--light-gray);
  line-height: 1.5;
}

.flipquiz-cancel-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all 0.2s ease;
}

.flipquiz-cancel-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== QUIZ SELECTION STYLES ===== */
.quiz-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-item:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.quiz-item.selected {
  border-color: var(--primary-blue);
  background: rgba(29, 118, 222, 0.1);
}

.quiz-item-image {
  width: 80px;
  height: 80px;
  flex-shrink: 0;
}

.quiz-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.quiz-item-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.quiz-item-content h4 {
  color: var(--white);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.quiz-item-content p {
  color: var(--light-gray);
  font-size: 0.9rem;
}

.quiz-selected-badge {
  background: var(--primary-blue);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-md);
  display: inline-block;
  margin-top: var(--space-2);
  align-self: flex-start;
}

.loading {
  color: var(--light-gray);
  text-align: center;
  padding: var(--space-8) 0;
}

.no-quizzes,
.error {
  color: var(--light-gray);
  text-align: center;
  padding: var(--space-8) 0;
  font-style: italic;
}

.error {
  color: #f87171;
}

/* ===== PREVIEW BUTTONS LAYOUT ===== */
.preview-buttons {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.preview-btn,
.preview-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--white);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-md);
  font-family: inherit;
  text-decoration: none;
  white-space: nowrap;
}

.preview-btn:hover,
.preview-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.preview-btn .material-icons,
.preview-btn-secondary .material-icons {
  font-size: 1rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1rem;
  height: 1rem;
  vertical-align: middle;
}

.preview-btn span:not(.material-icons),
.preview-btn-secondary span:not(.material-icons) {
  display: inline-flex;
  align-items: center;
  line-height: 1;
  vertical-align: middle;
}

/* ===== HORIZONTAL QUIZ CARDS ===== */
.quiz-cards-grid {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4);
  overflow-x: auto;
  overflow-y: hidden;
  scroll-behavior: smooth;
}

.quiz-card {
  background: var(--white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  min-width: 280px;
  max-width: 280px;
  height: 420px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}

.quiz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-blue);
}

.quiz-card.selected {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(28, 205, 199, 0.2);
}

.quiz-card-image {
  position: relative;
  height: 150px;
  overflow: hidden;
}

.quiz-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.quiz-card:hover .quiz-card-image img {
  transform: scale(1.05);
}

.selected-overlay {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: var(--teal);
  color: var(--white);
  border-radius: var(--radius-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.quiz-card-content {
  padding: var(--space-4);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.quiz-card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--black);
  margin-bottom: var(--space-2);
  line-height: 1.3;
}

.quiz-card-meta {
  font-size: 0.875rem;
  color: var(--medium-gray);
  margin-bottom: var(--space-2);
}

.quiz-card-description {
  font-size: 0.875rem;
  color: var(--dark-gray);
  line-height: 1.4;
  margin-bottom: var(--space-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.quiz-card-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quiz-card-rating {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.875rem;
}

.quiz-card-rating .stars {
  color: var(--orange);
  font-weight: 500;
}

.quiz-card-rating .rating-count {
  color: var(--medium-gray);
}

.quiz-card-select-btn {
  background: var(--primary-blue);
  color: var(--white);
  border: none;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.quiz-card-select-btn:hover {
  background: var(--dark-blue);
  transform: translateY(-1px);
}

.quiz-card-select-btn.selected {
  background: var(--teal);
  pointer-events: none;
}

/* ===== STYLED PAGINATION ===== */
.quiz-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-4);
  border-top: 1px solid var(--light-gray);
  margin-top: var(--space-4);
}

.pagination-btn {
  background: var(--white);
  border: 2px solid var(--light-gray);
  color: var(--dark-gray);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 500;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--primary-blue);
  color: var(--white);
  border-color: var(--primary-blue);
  transform: translateY(-1px);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: var(--off-white);
}

.pagination-numbers {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-number-btn {
  background: var(--white);
  border: 2px solid var(--light-gray);
  color: var(--dark-gray);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  min-width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-number-btn:hover {
  background: var(--primary-blue);
  color: var(--white);
  border-color: var(--primary-blue);
  transform: translateY(-1px);
}

.page-number-btn.active {
  background: var(--teal);
  color: var(--white);
  border-color: var(--teal);
}

.pagination-dots {
  padding: 0 var(--space-2);
  color: var(--medium-gray);
  font-weight: 500;
}

/* ===== QUIZ PREVIEW MODAL ===== */
.preview-modal-content {
  max-width: 1000px;
  max-height: 90vh;
  overflow-y: auto;
}

.preview-modal-body {
  padding: var(--space-6);
}

.quiz-preview-info {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--light-gray);
}

.preview-modal-image {
  width: 200px;
  height: 150px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.quiz-preview-details {
  flex: 1;
}

.quiz-preview-details h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-3);
}

.quiz-preview-details p {
  color: var(--light-gray);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.quiz-preview-meta {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  font-size: 0.875rem;
  color: var(--medium-gray);
}

.quiz-preview-rating {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.quiz-preview-rating .stars {
  color: var(--orange);
  font-weight: 500;
}

.quiz-preview-questions h5 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--off-white);
  margin-bottom: var(--space-4);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
}

.preview-question-full {
  background: var(--off-white);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  border-left: 4px solid var(--primary-blue);
}

.question-header {
  color: var(--primary-blue);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

/* Question number styling */
.preview-question-full h6 {
  color: var(--primary-blue);
  font-weight: 600;
  margin-bottom: var(--space-2);
  font-size: 1rem;
}

/* Question text styling */
.preview-question-text {
  color: var(--dark-gray);
  font-weight: 500;
  margin-bottom: var(--space-3);
  line-height: 1.5;
  font-size: 1rem;
}

.answer-choices {
  margin-top: var(--space-3);
}

.answer-choice {
  background: var(--white);
  padding: var(--space-2) var(--space-3);
  margin-bottom: var(--space-2);
  border-radius: var(--radius-md);
  border: 1px solid var(--light-gray);
  color: var(--dark-gray);
}

.answer-choice.correct-answer {
  background: linear-gradient(135deg, #10b981, #34d399);
  border-color: #059669;
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
  position: relative;
}

.answer-choice.correct-answer::after {
  content: "✓";
  position: absolute;
  right: var(--space-3);
  top: 50%;
  transform: translateY(-50%);
  font-weight: bold;
  font-size: 1.2rem;
}

.correct-answer-text {
  background: linear-gradient(135deg, #10b981, #34d399);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: 2px solid #059669;
  margin-top: var(--space-3);
  color: var(--white);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.correct-answer-text strong {
  color: var(--white);
}

.preview-question {
  background: var(--off-white);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  border-left: 4px solid var(--primary-blue);
}

.preview-question strong {
  color: var(--primary-blue);
  margin-right: var(--space-2);
}

.more-questions,
.no-preview {
  text-align: center;
  color: var(--medium-gray);
  font-style: italic;
  padding: var(--space-4);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1200px) {
  .game-modes-container {
    flex-direction: column;
    align-items: center;
    padding: var(--space-4);
  }

  .mode-card {
    max-width: 90%;
    width: 90%;
    height: 400px;
    margin-bottom: var(--space-6);
  }

  .mode-title {
    font-size: 2.5rem;
  }

  .select-heading {
    margin-top: var(--space-12);
    margin-bottom: var(--space-6);
  }

  .user-info {
    position: static;
    margin: var(--space-6) auto;
    justify-content: center;
  }

  .preview-section {
    position: static;
    margin: var(--space-6) auto;
    max-width: 90%;
  }
}

@media (max-width: 768px) {
  .top-nav {
    padding: 0 var(--space-4);
  }

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

  .mode-subtitle {
    font-size: 0.875rem;
  }

  .play-button {
    padding: var(--space-2) var(--space-8);
    font-size: 1rem;
  }

  .flipquiz-mode-btns {
    flex-direction: column;
  }

  .select-heading {
    font-size: 1.25rem;
  }

  .quiz-cards-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .preview-buttons {
    flex-direction: column;
    gap: var(--space-2);
  }

  .preview-btn,
  .preview-btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .quiz-card {
    min-width: 250px;
    max-width: 250px;
    height: 400px;
  }
}

@media (max-width: 480px) {
  .mode-card {
    height: 320px;
  }

  .mode-title {
    font-size: 1.75rem;
  }

  .mode-overlay {
    padding: var(--space-4);
  }

  .play-button {
    padding: var(--space-2) var(--space-6);
    margin-bottom: var(--space-4);
  }

  .preview-section {
    padding: var(--space-3) var(--space-4);
    width: 90%;
  }

  .preview-image {
    width: 40px;
    height: 40px;
  }

  .modal-content {
    padding: var(--space-6);
  }

  .flipquiz-modal-content {
    padding: var(--space-6);
  }

  .quiz-card {
    min-width: 220px;
    max-width: 220px;
    height: 380px;
  }

  .quiz-card-title {
    font-size: 1rem;
  }

  .quiz-card-description {
    font-size: 0.8rem;
  }
}