/* style/game-rules.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

:root {
  --page-game-rules-primary-color: #11A84E;
  --page-game-rules-secondary-color: #22C768;
  --page-game-rules-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-game-rules-card-bg: #11271B;
  --page-game-rules-background: #08160F;
  --page-game-rules-text-main: #F2FFF6;
  --page-game-rules-text-secondary: #A7D9B8;
  --page-game-rules-border-color: #2E7A4E;
  --page-game-rules-glow-color: #57E38D;
  --page-game-rules-gold-color: #F2C14E;
  --page-game-rules-divider-color: #1E3A2A;
  --page-game-rules-deep-green: #0A4B2C;
}

.page-game-rules {
  background-color: var(--page-game-rules-background);
  color: var(--page-game-rules-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-game-rules__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 60px; /* Adjust as needed */
  padding-top: 10px; /* Small top padding, body handles header offset */
  overflow: hidden;
}

.page-game-rules__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit hero image height */
  overflow: hidden;
}

.page-game-rules__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Slightly darken image for text readability */
}

.page-game-rules__hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 90%;
  max-width: 900px;
  z-index: 10;
  padding: 20px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.4); /* Semi-transparent background for text */
  border-radius: 10px;
}

.page-game-rules__main-title {
  color: var(--page-game-rules-gold-color);
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 15px;
  /* clamp for responsive font-size, avoiding fixed large values */
  font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem);
}

.page-game-rules__hero-description {
  color: var(--page-game-rules-text-main);
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.page-game-rules__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-game-rules__btn-primary,
.page-game-rules__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%; /* Ensure buttons don't overflow */
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  text-align: center;
}

.page-game-rules__btn-primary {
  background: var(--page-game-rules-button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-game-rules__btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 15px var(--page-game-rules-glow-color);
}

.page-game-rules__btn-secondary {
  background: transparent;
  color: var(--page-game-rules-text-main);
  border: 2px solid var(--page-game-rules-border-color);
}

.page-game-rules__btn-secondary:hover {
  background: var(--page-game-rules-border-color);
  color: #ffffff;
}

.page-game-rules__section {
  padding: 60px 0;
  border-bottom: 1px solid var(--page-game-rules-divider-color);
}

.page-game-rules__section:last-of-type {
  border-bottom: none;
}

.page-game-rules__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-game-rules__section-title {
  color: var(--page-game-rules-gold-color);
  font-size: 2.5rem;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-game-rules__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--page-game-rules-primary-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-game-rules__sub-title {
  color: var(--page-game-rules-primary-color);
  font-size: 1.8rem;
  font-weight: bold;
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-game-rules__text-block {
  color: var(--page-game-rules-text-main);
  margin-bottom: 20px;
}

.page-game-rules__list,
.page-game-rules__ordered-list {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: var(--page-game-rules-text-main);
}

.page-game-rules__ordered-list {
  list-style-type: decimal;
}

.page-game-rules__list-item {
  margin-bottom: 10px;
}

.page-game-rules__list-item strong {
  color: var(--page-game-rules-text-secondary);
}

.page-game-rules__image-content {
  width: 100%;
  height: auto;
  display: block;
  margin: 30px auto;
  border-radius: 10px;
  object-fit: cover;
  min-width: 200px; /* Minimum size requirement */
  min-height: 200px; /* Minimum size requirement */
}

.page-game-rules__faq-section {
  background-color: var(--page-game-rules-card-bg);
  padding: 60px 0;
}

.page-game-rules__faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.page-game-rules__faq-item {
  background-color: var(--page-game-rules-deep-green);
  border: 1px solid var(--page-game-rules-border-color);
  border-radius: 8px;
  overflow: hidden;
}

.page-game-rules__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  color: var(--page-game-rules-text-main);
  font-weight: bold;
  font-size: 1.1rem;
  user-select: none; /* Prevent text selection on click */
  list-style: none; /* For <details> summary */
}

.page-game-rules__faq-question::-webkit-details-marker {
  display: none; /* For <details> summary */
}

.page-game-rules__faq-qtext {
  flex-grow: 1;
  color: var(--page-game-rules-text-main);
}

.page-game-rules__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-game-rules-gold-color);
}

.page-game-rules__faq-item[open] .page-game-rules__faq-toggle {
  content: '−'; /* Change to minus when open */
}

.page-game-rules__faq-answer {
  padding: 0 25px 20px;
  color: var(--page-game-rules-text-secondary);
  font-size: 1rem;
}

.page-game-rules__faq-answer p {
  margin-top: 0;
  margin-bottom: 0;
}

.page-game-rules__conclusion-section {
  text-align: center;
}

.page-game-rules__conclusion-section .page-game-rules__text-block {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-game-rules a {
  color: var(--page-game-rules-primary-color);
  text-decoration: underline;
}

.page-game-rules a:hover {
  color: var(--page-game-rules-gold-color);
}

/* --- Responsive Design --- */

@media (max-width: 1024px) {
  .page-game-rules__hero-content {
    width: 95%;
    max-width: 700px;
  }

  .page-game-rules__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-game-rules__hero-description {
    font-size: 1rem;
  }

  .page-game-rules__section-title {
    font-size: 2rem;
  }

  .page-game-rules__sub-title {
    font-size: 1.6rem;
  }
}

@media (max-width: 768px) {
  .page-game-rules__hero-section {
    padding-bottom: 40px;
  }

  .page-game-rules__hero-content {
    padding: 15px;
    top: auto; /* Allow content to flow naturally on mobile */
    bottom: 20px; /* Position at the bottom of the hero section */
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.6); /* Darker overlay for readability */
  }

  .page-game-rules__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
    margin-bottom: 10px;
  }

  .page-game-rules__hero-description {
    font-size: 0.95rem;
    margin-bottom: 20px;
  }

  .page-game-rules__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
    padding: 0 15px; /* Add padding to buttons for mobile */
  }

  .page-game-rules__btn-primary,
  .page-game-rules__btn-secondary {
    width: 100% !important; /* Full width for buttons on mobile */
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95rem;
  }

  .page-game-rules__section {
    padding: 40px 0;
  }

  .page-game-rules__container {
    padding: 0 15px !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-game-rules__section-title {
    font-size: 1.8rem;
    margin-bottom: 30px;
  }

  .page-game-rules__sub-title {
    font-size: 1.4rem;
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-game-rules__text-block,
  .page-game-rules__list-item,
  .page-game-rules__faq-answer {
    font-size: 0.95rem;
  }

  .page-game-rules__image-content {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-game-rules__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .page-game-rules__faq-answer {
    padding: 0 20px 15px;
  }
}