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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  overscroll-behavior: none;
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
  touch-action: none;
  z-index: -1;
}

/* Layout */
.container {
  flex: 1;
  padding: 20px;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
  z-index: auto;
}

.section {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--section-bg);
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
  position: relative;
  z-index: auto;
}

.section-header {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

/* Header */
h1,
h2 {
  text-align: center;
  margin-bottom: 30px;
  color: var(--text-color);
}

/* Category Selection */
.categories {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 75%;
  margin: 0 auto;
  padding-bottom: 20px;
  position: relative;
  z-index: auto;
}

.category-btn {
  width: 100%;
  padding: 24px 20px;
  border-radius: 8px;
  font-size: 1.1em;
  text-align: center;
  border: none;
  font-weight: 500;
  cursor: pointer;
  position: relative;
  z-index: 2;
  transition: transform 0.3s, opacity 0.2s;
}

.category-btn:hover {
  transform: translateX(10px);
  opacity: 0.9;
}

.category-btn.last-selected {
  position: relative;
}

.category-btn.last-selected::after {
  display: none;
}

/* Question Section */
#questionSection {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0;
  overflow: hidden;
  margin: 0 auto;
}

.category-label {
  width: 100%;
  text-align: center;
  padding: 15px;
  margin: 0;
  font-size: 1.5em;
  font-weight: 500;
  transition: background-color 0.3s, color 0.3s;
}

.question-text {
  text-align: left;
  padding: 30px 25px;
  width: 90%;
  font-size: 1.3em;
  line-height: 1.5;
  margin: 20px auto;
  background-color: var(--question-bg);
  border-radius: 8px;
}

/* Answer Section */
.answer-text {
  text-align: left;
  width: 90%;
  margin: 10px auto 0;
  padding: 30px 25px;
  background-color: var(--answer-bg);
  border-radius: 8px;
  font-size: 1.3em;
}

.reveal-btn {
  width: 80%;
  max-width: 300px;
  margin: 20px auto;
  padding: 15px 30px;
  font-size: 1.1em;
  background-color: #64748b;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.1s;
  text-align: center;
  display: block;
  position: relative;
  z-index: 2;
}

.reveal-btn:hover {
  background-color: #475569;
}

.reveal-btn.pressed {
  transform: scale(0.98);
  background-color: #475569;
}

/* Loading Animation */
.reveal-btn.loading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.7);
  animation: loading 0.5s linear;
}

@keyframes loading {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

/* Search Links */
.search-links {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin: 0 5% 20px;
  width: 90%;
  position: relative;
  z-index: 2;
}

.search-link {
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.8em;
  text-decoration: none;
  color: white;
  transition: opacity 0.2s;
}

.chatgpt-search {
  background-color: #666;
}
.google-search {
  background-color: #4285f4;
}

.search-link:hover {
  opacity: 0.8;
}

/* Modal and Info Icon */
.info-icon {
  cursor: pointer;
  color: #666;
  font-size: 0.9em;
  margin-left: 8px;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--modal-overlay);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-content {
  background: var(--section-bg);
  padding: 30px;
  border-radius: 8px;
  max-width: 500px;
  width: 90%;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  color: var(--text-color);
}

.modal-content h3 {
  margin-bottom: 15px;
  color: var(--text-color);
}

.modal-content ul {
  margin: 15px 0;
  padding-left: 20px;
}

.modal-content li {
  margin-bottom: 8px;
}

.modal-buttons {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 25px;
}

.reset-btn,
.close-modal-btn {
  padding: 8px 16px;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  font-size: 0.9em;
  transition: all 0.2s ease;
}

.reset-btn {
  background-color: #ff4444;
  color: white;
}

.close-modal-btn {
  background-color: #e0e0e0;
}

.reset-btn:hover,
.close-modal-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Utility Classes */
.hidden {
  display: none !important;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

.visible {
  display: flex !important;
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
  .category-btn {
    width: 100%;
    margin-bottom: 10px;
  }

  .category-btn:hover {
    transform: none;
  }

  .question-text,
  .answer-text {
    width: 100%;
    padding: 15px;
    font-size: 1.1em;
  }

  .button-row {
    flex-direction: column;
    gap: 15px;
  }

  .search-links {
    width: 100%;
    justify-content: space-around;
  }

  .button-row {
    padding: 15px;
  }

  .close-btn {
    width: auto;
    min-width: 120px;
  }
}

/* Button Row */
.button-row {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  margin-top: 10px;
  background-color: var(--section-bg);
  border-top: none;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

.button-row .search-links {
  flex: 1;
  margin: 0;
}

.button-row .action-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

.close-btn {
  padding: 12px 35px;
  min-width: 120px;
  background-color: #64748b;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1em;
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.close-btn:hover {
  background-color: #475569;
  transform: translateY(-1px);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

.close-btn:active {
  transform: translateY(1px);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* Theme Variables */
:root {
  --bg-color: #f4f4f4;
  --section-bg: white;
  --text-color: #333;
  --question-bg: #f0f0f0;
  --answer-bg: #e6e6e6;
  --modal-overlay: rgba(0, 0, 0, 0.5);

  /* Category Colors */
  --blue-bg: #0097ff;
  --blue-text: white;

  --pink-bg: #e91e63;
  --pink-text: white;

  --yellow-bg: #ffc800;
  --yellow-text: black;

  --purple-bg: #9b4cc7;
  --purple-text: white;

  --green-bg: #20bd42;
  --green-text: black;

  --orange-bg: #ff9400;
  --orange-text: black;
}

[data-theme='dark'] {
  --bg-color: #1a1a1a;
  --section-bg: #2d2d2d;
  --text-color: #e0e0e0;
  --question-bg: #3d3d3d;
  --answer-bg: #696969;
  --modal-overlay: rgba(0, 0, 0, 0.7);
}

/* Theme Toggle Button */
.theme-toggle {
  position: absolute;
  right: 0;
  padding: 8px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 1.2rem;
}

.theme-toggle:hover {
  background-color: var(--question-bg);
}

/* Header layout */
.header-row {
  width: 100%;
  margin: 20px 0 30px;
  text-align: center;
  position: relative;
}

h1 {
  font-size: 1.8em;
  margin: 0;
  color: var(--text-color);
  display: inline-block;
}

.category-btn,
.reveal-btn,
.close-btn,
.reset-btn,
.close-modal-btn {
  transform: none !important;
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.category-btn:active,
.reveal-btn:active,
.close-btn:active,
.reset-btn:active,
.close-modal-btn:active {
  transform: none !important;
  top: 0 !important;
  left: 0 !important;
}

.flag-btn {
  padding: 8px;
  background: none;
  border: none;
  font-size: 1.2em;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity 0.2s;
  position: relative;
  z-index: 2;
}

.flag-btn[data-flagged='true'] {
  opacity: 1;
  color: #ff3b30;
}

.flag-btn:hover {
  opacity: 0.8;
}

.flag-btn::after {
  content: 'Flag this question for review';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 5px 10px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  border-radius: 4px;
  font-size: 0.8em;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s;
}

.flag-btn:hover::after {
  opacity: 1;
  visibility: visible;
}

/* Snow Animation */
@keyframes snowfall {
  0% {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }
  100% {
    transform: translate3d(0, 110vh, 0) rotate(360deg);
  }
}

.snowflake {
  position: fixed;
  top: -10px;
  color: white;
  font-size: 1.5em;
  text-shadow: 0 0 2px rgba(0, 0, 0, 0.1);
  animation: snowfall linear infinite;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

/* Festive Theme Variables */
[data-theme='festive'] {
  --bg-color: #1a472a; /* Dark Christmas Green */
  --section-bg: #2d3a2d;
  --text-color: #f8b229; /* Gold */
  --question-bg: rgb(3, 99, 3); /* Deep Green */
  --answer-bg: #8b0000; /* Dark Red */
  --modal-overlay: rgba(26, 71, 42, 0.8);
}
/* Category Button Christmas Decorations */
.category-btn {
  position: relative;
  transition: transform 0.2s;
}

/* Remove the old tree decoration */
.category-btn::before {
  display: none;
}

/* Add decorative elements around buttons */
[data-theme='festive'] .categories {
  position: relative;
}

[data-theme='festive'] .category-btn::before,
[data-theme='festive'] .category-btn::after {
  content: '❄';
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2em;
  opacity: 0;
  transition: all 0.3s ease;
  color: #f8b229; /* Gold color */
  text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
}

[data-theme='festive'] .category-btn::before {
  left: -25px;
}

[data-theme='festive'] .category-btn::after {
  right: -25px;
}

[data-theme='festive'] .category-btn:hover::before {
  opacity: 1;
  transform: translateY(-50%) rotate(-30deg);
  left: -30px;
}

[data-theme='festive'] .category-btn:hover::after {
  opacity: 1;
  transform: translateY(-50%) rotate(30deg);
  right: -30px;
}

/* Add subtle glow effect to buttons in festive mode */
[data-theme='festive'] .category-btn {
  box-shadow: 0 0 10px rgba(248, 178, 41, 0.1);
}

[data-theme='festive'] .category-btn:hover {
  box-shadow: 0 0 15px rgba(248, 178, 41, 0.2);
}

/* Ensure UI elements appear above snowflakes */
.container,
.section,
.category-btn,
.modal,
.button-row {
  position: relative;
  z-index: auto;
}

/* Interactive elements layer */
.category-btn,
.reveal-btn,
.close-btn,
.modal,
.button-row,
.search-links,
.flag-btn {
  position: relative;
  z-index: 2;
}

/* Category Buttons */
.category-btn[data-color='Blue'] {
  background-color: var(--blue-bg);
  color: var(--blue-text);
}

.category-btn[data-color='Pink'] {
  background-color: var(--pink-bg);
  color: var(--pink-text);
}

.category-btn[data-color='Yellow'] {
  background-color: var(--yellow-bg);
  color: var(--yellow-text);
}

.category-btn[data-color='Purple'] {
  background-color: var(--purple-bg);
  color: var(--purple-text);
}

.category-btn[data-color='Green'] {
  background-color: var(--green-bg);
  color: var(--green-text);
}

.category-btn[data-color='Orange'] {
  background-color: var(--orange-bg);
  color: var(--orange-text);
}

/* Category Labels */
.category-label[data-color='Blue'] {
  background-color: var(--blue-bg);
  color: var(--blue-text);
}

.category-label[data-color='Pink'] {
  background-color: var(--pink-bg);
  color: var(--pink-text);
}

.category-label[data-color='Yellow'] {
  background-color: var(--yellow-bg);
  color: var(--yellow-text);
}

.category-label[data-color='Purple'] {
  background-color: var(--purple-bg);
  color: var(--purple-text);
}

.category-label[data-color='Green'] {
  background-color: var(--green-bg);
  color: var(--green-text);
}

.category-label[data-color='Orange'] {
  background-color: var(--orange-bg);
  color: var(--orange-text);
}

.timestamp {
  text-align: center;
  font-size: 0.9em;
  color: var(--text-color);
  opacity: 0.8;
  margin: 10px 0;
  font-style: italic;
}

.timestamp.never-shown {
  color: #ffc107; /* Highlight color for never shown questions */
}