/* Biến màu sắc */
:root {
  --color-primary: #C61F1F;
  --color-secondary: #E53030;
  --color-background-dark: #140C0C;
  --color-card-bg: #2A1212;
  --color-text-main: #FFF1E8;
  --color-border: #6A1E1E;
  --color-gold: #F3C54D;
  --color-deep-red: #7E0D0D;
  --button-gradient: linear-gradient(180deg, #FFB04A 0%, #D86A14 100%);
}

.page-huong-dan-choi-game-bai {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Sử dụng màu chữ chính đã định */
  background-color: var(--color-background-dark); /* Sử dụng màu nền chính đã định */
}

.page-huong-dan-choi-game-bai strong,
.page-huong-dan-choi-game-bai__highlight {
  color: var(--color-gold);
  font-weight: 700;
}

.page-huong-dan-choi-game-bai a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-huong-dan-choi-game-bai a:hover {
  color: #FFB04A;
  text-decoration: underline;
}

/* HERO Section */
.page-huong-dan-choi-game-bai__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, relies on body padding-top from shared.css */
  padding-bottom: 50px;
  text-align: center;
  overflow: hidden;
  color: var(--color-text-main);
}

.page-huong-dan-choi-game-bai__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Limit height on desktop */
  overflow: hidden;
  position: relative;
}

.page-huong-dan-choi-game-bai__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover; /* Cover the area, may crop */
  aspect-ratio: 16/9;
}

.page-huong-dan-choi-game-bai__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin-top: 30px;
  padding: 0 20px;
}

.page-huong-dan-choi-game-bai__main-title {
  font-size: clamp(2.5rem, 4vw, 3.5rem); /* Responsive font size */
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-gold);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-huong-dan-choi-game-bai__hero-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  opacity: 0.9;
}

/* General Section Styles */
.page-huong-dan-choi-game-bai__section {
  padding: 60px 20px;
  background-color: var(--color-background-dark);
  border-bottom: 1px solid var(--color-border);
}

.page-huong-dan-choi-game-bai__section:last-of-type {
  border-bottom: none;
}

.page-huong-dan-choi-game-bai__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-huong-dan-choi-game-bai__section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem); /* Responsive font size */
  font-weight: 700;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
}

.page-huong-dan-choi-game-bai__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--color-gold);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-huong-dan-choi-game-bai__text-block {
  font-size: 1.1rem;
  margin-bottom: 20px;
  text-align: justify;
  color: var(--color-text-main);
}

/* Guide Section */
.page-huong-dan-choi-game-bai__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-huong-dan-choi-game-bai__guide-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-huong-dan-choi-game-bai__guide-img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  object-fit: cover;
}

.page-huong-dan-choi-game-bai__guide-step-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--color-gold);
}

.page-huong-dan-choi-game-bai__note-block {
  background-color: var(--color-deep-red);
  padding: 30px;
  border-radius: 10px;
  margin-top: 50px;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-huong-dan-choi-game-bai__note-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 20px;
  text-align: center;
}

.page-huong-dan-choi-game-bai__note-list {
  list-style-type: disc;
  padding-left: 30px;
  margin-bottom: 30px;
}

.page-huong-dan-choi-game-bai__note-list li {
  margin-bottom: 10px;
  font-size: 1.1rem;
}

/* Game Types Section */
.page-huong-dan-choi-game-bai__game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-huong-dan-choi-game-bai__game-card {
  background-color: var(--color-card-bg);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-huong-dan-choi-game-bai__game-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 10px;
}

/* Strategy Section */
.page-huong-dan-choi-game-bai__strategy-list {
  list-style-type: decimal;
  padding-left: 30px;
  margin-top: 30px;
  color: var(--color-text-main);
}

.page-huong-dan-choi-game-bai__strategy-list li {
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.page-huong-dan-choi-game-bai__list-highlight {
  color: var(--color-gold);
  font-weight: 700;
}

/* Promotion Section */
.page-huong-dan-choi-game-bai__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-huong-dan-choi-game-bai__promo-card {
  background-color: var(--color-card-bg);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-huong-dan-choi-game-bai__promo-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 10px;
}

/* Support Section */
.page-huong-dan-choi-game-bai__support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-huong-dan-choi-game-bai__support-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  color: var(--color-text-main);
  border: 1px solid var(--color-border);
}

.page-huong-dan-choi-game-bai__support-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  object-fit: cover;
}

.page-huong-dan-choi-game-bai__support-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-gold);
  margin-bottom: 15px;
}

/* FAQ Section */
.page-huong-dan-choi-game-bai__faq-list {
  margin-top: 40px;
}

details.page-huong-dan-choi-game-bai__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-card-bg);
  color: var(--color-text-main);
}

details.page-huong-dan-choi-game-bai__faq-item summary.page-huong-dan-choi-game-bai__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-huong-dan-choi-game-bai__faq-item summary.page-huong-dan-choi-game-bai__faq-question::-webkit-details-marker {
  display: none;
}

details.page-huong-dan-choi-game-bai__faq-item summary.page-huong-dan-choi-game-bai__faq-question:hover {
  background: rgba(255, 255, 255, 0.05);
}

.page-huong-dan-choi-game-bai__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--color-gold);
}

.page-huong-dan-choi-game-bai__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-huong-dan-choi-game-bai__faq-item .page-huong-dan-choi-game-bai__faq-answer {
  padding: 0 20px 20px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 0 0 5px 5px;
  color: var(--color-text-main);
}

.page-huong-dan-choi-game-bai__faq-answer p {
  margin-bottom: 0;
}

/* Conclusion Section */
.page-huong-dan-choi-game-bai__conclusion-section {
  text-align: center;
}

/* CTA Buttons */
.page-huong-dan-choi-game-bai__cta-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  text-decoration: none;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  max-width: 100%; /* Ensure button responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-huong-dan-choi-game-bai__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-huong-dan-choi-game-bai__btn-primary {
  background: var(--button-gradient);
  color: #ffffff; /* White text for contrast on gradient */
  border: none;
}

.page-huong-dan-choi-game-bai__btn-secondary {
  background: transparent;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  margin-top: 20px;
}

.page-huong-dan-choi-game-bai__btn-secondary:hover {
  background: var(--color-gold);
  color: var(--color-background-dark);
}

/* General Image Styles for content area */
.page-huong-dan-choi-game-bai img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-huong-dan-choi-game-bai__hero-content {
    padding: 0 15px;
  }

  .page-huong-dan-choi-game-bai__main-title {
    font-size: clamp(2.2rem, 4.5vw, 3rem);
  }

  .page-huong-dan-choi-game-bai__hero-description {
    font-size: 1.1rem;
  }

  .page-huong-dan-choi-game-bai__section-title {
    font-size: clamp(1.8rem, 3.8vw, 2.5rem);
  }

  .page-huong-dan-choi-game-bai__text-block,
  .page-huong-dan-choi-game-bai__note-list li,
  .page-huong-dan-choi-game-bai__strategy-list li,
  .page-huong-dan-choi-game-bai__faq-qtext {
    font-size: 1rem;
  }

  .page-huong-dan-choi-game-bai__guide-img,
  .page-huong-dan-choi-game-bai__support-img {
    max-width: 100%;
  }
}

@media (max-width: 849px) {
  .page-huong-dan-choi-game-bai__hero-image {
    object-fit: contain !important; /* Prevents cropping on smaller screens */
    aspect-ratio: unset !important; /* Allows natural aspect ratio */
    height: auto !important;
    max-height: 400px; /* Adjust max height for mobile */
  }
}

@media (max-width: 768px) {
  .page-huong-dan-choi-game-bai {
    font-size: 15px;
    line-height: 1.5;
  }

  .page-huong-dan-choi-game-bai__hero-section {
    padding-top: 10px; /* Small top padding for mobile */
    padding-bottom: 30px;
  }

  .page-huong-dan-choi-game-bai__hero-content {
    margin-top: 20px;
  }

  .page-huong-dan-choi-game-bai__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem) !important;
    margin-bottom: 15px;
  }

  .page-huong-dan-choi-game-bai__hero-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-huong-dan-choi-game-bai__section {
    padding: 40px 15px;
  }

  .page-huong-dan-choi-game-bai__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem) !important;
    margin-bottom: 30px;
  }

  .page-huong-dan-choi-game-bai__text-block {
    font-size: 1rem;
  }

  /* General image and container responsiveness */
  .page-huong-dan-choi-game-bai img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-huong-dan-choi-game-bai__container,
  .page-huong-dan-choi-game-bai__guide-item,
  .page-huong-dan-choi-game-bai__game-card,
  .page-huong-dan-choi-game-bai__promo-card,
  .page-huong-dan-choi-game-bai__support-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-huong-dan-choi-game-bai__guide-steps,
  .page-huong-dan-choi-game-bai__game-grid,
  .page-huong-dan-choi-game-bai__promo-grid,
  .page-huong-dan-choi-game-bai__support-grid {
    grid-template-columns: 1fr; /* Single column for most grids */
    gap: 20px;
  }

  .page-huong-dan-choi-game-bai__note-block {
    padding: 20px;
    margin-top: 30px;
  }

  .page-huong-dan-choi-game-bai__note-title {
    font-size: 1.5rem;
  }

  .page-huong-dan-choi-game-bai__note-list,
  .page-huong-dan-choi-game-bai__strategy-list {
    padding-left: 20px;
  }

  .page-huong-dan-choi-game-bai__cta-button {
    padding: 12px 20px;
    font-size: 1rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-huong-dan-choi-game-bai__cta-buttons,
  .page-huong-dan-choi-game-bai__button-group,
  .page-huong-dan-choi-game-bai__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important; /* Ensure buttons wrap */
    gap: 10px;
    display: flex;
    flex-direction: column; /* Stack buttons vertically on mobile */
  }

  details.page-huong-dan-choi-game-bai__faq-item summary.page-huong-dan-choi-game-bai__faq-question {
    padding: 15px;
  }

  .page-huong-dan-choi-game-bai__faq-qtext {
    font-size: 1rem;
  }

  .page-huong-dan-choi-game-bai__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }

  details.page-huong-dan-choi-game-bai__faq-item .page-huong-dan-choi-game-bai__faq-answer {
    padding: 0 15px 15px;
  }
}