:root {
  --primary-color: #FFD700; /* Vàng kim */
  --secondary-color: #8B0000; /* Đỏ sẫm */
  --text-light: #ffffff;
  --text-dark: #333333;
  --bg-dark: #000000; /* Body background color */
  --card-bg-dark: rgba(255, 255, 255, 0.1);
  --border-color-dark: rgba(255, 255, 255, 0.2);
}

.page-register {
  color: var(--text-light); /* Text color for dark body background */
  background-color: var(--bg-dark);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  padding-top: 0; /* Handled by specific sections */
}

.page-register__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Hero Section --- */
.page-register__hero-section {
  position: relative;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('[GALLERY:hero:vsbet,dang_ky,nen_trang_chu,ca_cuoc_truc_tuyen,banner]') no-repeat center center/cover;
  padding: 180px 0 100px; /* Adjusted padding-top for fixed header */
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
  box-shadow: inset 0 -10px 20px rgba(0,0,0,0.5);
}

.page-register__main-title {
  font-size: 3.5em;
  color: var(--primary-color);
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
  font-weight: bold;
}

.page-register__hero-description {
  font-size: 1.3em;
  color: var(--text-light);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__cta-button {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__cta-button--primary {
  background: var(--primary-color);
  color: var(--text-dark);
}

.page-register__cta-button--primary:hover {
  background: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-register__login-prompt {
  font-size: 1.1em;
  color: var(--text-light);
  margin-top: 25px;
}

.page-register__login-link {
  color: var(--primary-color);
  text-decoration: underline;
  font-weight: bold;
}

.page-register__login-link:hover {
  color: #e6c200;
}

/* --- Form Section --- */
.page-register__form-section {
  padding: 80px 0;
  background-color: #0d0d0d;
}

.page-register__section-title {
  font-size: 2.5em;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.page-register__section-description {
  font-size: 1.1em;
  color: var(--text-light);
  text-align: center;
  margin-bottom: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-register__registration-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--card-bg-dark);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color-dark);
}

.page-register__form-group {
  margin-bottom: 25px;
}

.page-register__form-label {
  display: block;
  font-size: 1.1em;
  color: var(--text-light);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-register__form-input {
  width: calc(100% - 20px);
  padding: 12px 10px;
  border: 1px solid var(--border-color-dark);
  border-radius: 6px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
  font-size: 1em;
  box-sizing: border-box;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.page-register__form-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.page-register__form-input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.3);
}

.page-register__form-group--checkbox {
  display: flex;
  align-items: center;
  margin-bottom: 30px;
}

.page-register__form-checkbox {
  margin-right: 15px;
  width: 20px;
  height: 20px;
  accent-color: var(--primary-color);
  cursor: pointer;
}

.page-register__terms-link {
  color: var(--primary-color);
  text-decoration: underline;
}

.page-register__terms-link:hover {
  color: #e6c200;
}

.page-register__submit-button {
  width: 100%;
  padding: 15px 20px;
  background: var(--secondary-color);
  color: var(--text-light);
  border: none;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  white-space: normal;
  word-wrap: break-word;
}

.page-register__submit-button:hover {
  background: #a30000;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* --- Benefits Section --- */
.page-register__benefits-section {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.page-register__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-register__benefit-item {
  background: var(--card-bg-dark);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color-dark);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-register__benefit-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.page-register__benefit-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-register__benefit-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-register__benefit-text {
  font-size: 1em;
  color: var(--text-light);
}

/* --- Games Overview Section --- */
.page-register__games-overview-section {
  padding: 80px 0;
  background-color: #0d0d0d;
}

.page-register__games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-register__game-card {
  background: var(--card-bg-dark);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color-dark);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-register__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.page-register__game-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.page-register__game-card h3,
.page-register__game-card p,
.page-register__game-card a {
  padding: 0 25px;
}

.page-register__game-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-top: 20px;
  margin-bottom: 10px;
}

.page-register__game-description {
  font-size: 0.95em;
  color: var(--text-light);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-register__game-link {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  margin-bottom: 20px;
  padding-bottom: 3px;
  border-bottom: 2px solid var(--primary-color);
  align-self: flex-start;
  margin-left: 25px;
}

.page-register__game-link:hover {
  color: #e6c200;
  border-color: #e6c200;
}

.page-register__view-all-games {
  text-align: center;
  margin-top: 60px;
}

/* --- Promotions Section --- */
.page-register__promotions-section {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.page-register__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-register__promo-item {
  background: var(--card-bg-dark);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color-dark);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-register__promo-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
}

.page-register__promo-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.page-register__promo-item h3,
.page-register__promo-item p {
  padding: 0 25px;
}

.page-register__promo-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin-top: 20px;
  margin-bottom: 10px;
}

.page-register__promo-text {
  font-size: 0.95em;
  color: var(--text-light);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-register__cta-button--small {
  padding: 10px 25px;
  font-size: 1em;
  border-radius: 6px;
  margin-top: auto;
  margin-bottom: 20px;
  margin-left: 25px;
  align-self: flex-start;
}

.page-register__view-all-promos {
  text-align: center;
  margin-top: 60px;
}

.page-register__cta-button--secondary {
  background: var(--secondary-color);
  color: var(--text-light);
}

.page-register__cta-button--secondary:hover {
  background: #a30000;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* --- Trust Section --- */
.page-register__trust-section {
  padding: 80px 0;
  background-color: #0d0d0d;
}

.page-register__trust-content {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-top: 50px;
}

.page-register__trust-text {
  flex: 1;
}

.page-register__trust-text p {
  font-size: 1.1em;
  color: var(--text-light);
  margin-bottom: 20px;
}

.page-register__trust-link {
  color: var(--primary-color);
  text-decoration: underline;
  font-weight: bold;
}

.page-register__trust-link:hover {
  color: #e6c200;
}

.page-register__trust-image-wrapper {
  flex: 0 0 450px; /* Fixed width for image on desktop */
  max-width: 450px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color-dark);
}

.page-register__trust-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* --- FAQ Section --- */
.page-register__faq-section {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.page-register__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
}

/* FAQ容器样式 */
.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color-dark);
  background: var(--card-bg-dark);
}

/* FAQ默认状态 - 答案隐藏 */
.page-register__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px;
  opacity: 0;
  color: var(--text-light);
}

/* FAQ展开状态 - 🚨 Sử dụng!important và đủ lớn max-height để đảm bảo có thể mở rộng */
.page-register__faq-item.active .page-register__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important để đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 25px !important;
  opacity: 1;
  background: rgba(255, 255, 255, 0.05);
  border-top: 1px solid var(--border-color-dark);
}

/* Vấn đề phong cách */
.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-register__faq-item.active .page-register__faq-question {
  background: rgba(255, 255, 255, 0.15);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.page-register__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
}

.page-register__faq-question:active {
  background: rgba(255, 255, 255, 0.2);
}

/* Vấn đề tiêu đề phong cách */
.page-register__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.2em;
  font-weight: 600;
  line-height: 1.5;
  color: var(--primary-color);
  pointer-events: none; /* Ngăn thẻ h3 chặn sự kiện nhấp */
}

/* Biểu tượng chuyển đổi */
.page-register__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Ngăn biểu tượng chặn sự kiện nhấp */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-register__faq-item.active .page-register__faq-toggle {
  color: var(--primary-color);
  transform: rotate(45deg); /* Xoay để tạo hiệu ứng dấu X */
}

/* --- CTA Footer Section --- */
.page-register__cta-footer-section {
  padding: 80px 0;
  background-color: var(--secondary-color);
  text-align: center;
  box-shadow: inset 0 10px 20px rgba(0,0,0,0.5);
}

.page-register__cta-footer-section .page-register__section-title {
  color: var(--text-light);
}

.page-register__cta-footer-section .page-register__section-description {
  color: var(--text-light);
  margin-bottom: 40px;
}

.page-register__cta-footer-section .page-register__cta-button {
  background: var(--primary-color);
  color: var(--text-dark);
}

.page-register__cta-footer-section .page-register__cta-button:hover {
  background: #e6c200;
}

/* --- General Text Highlight --- */
.text--highlight {
  color: var(--primary-color);
  font-weight: bold;
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-register__main-title {
    font-size: 2.8em;
  }

  .page-register__hero-description {
    font-size: 1.1em;
  }

  .page-register__section-title {
    font-size: 2em;
  }

  .page-register__trust-content {
    flex-direction: column;
    gap: 30px;
  }

  .page-register__trust-image-wrapper {
    flex: none;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .page-register {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .page-register__container {
    padding: 0 15px;
  }

  .page-register__hero-section {
    padding: 120px 0 60px; /* Mobile padding-top for fixed header */
    min-height: 450px;
  }

  .page-register__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }

  .page-register__hero-description {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-register__cta-button {
    padding: 12px 25px;
    font-size: 1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__login-prompt {
    font-size: 0.95em;
  }

  .page-register__form-section, 
  .page-register__benefits-section, 
  .page-register__games-overview-section, 
  .page-register__promotions-section, 
  .page-register__trust-section, 
  .page-register__faq-section, 
  .page-register__cta-footer-section {
    padding: 60px 0;
  }

  .page-register__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }

  .page-register__section-description {
    font-size: 0.95em;
    margin-bottom: 40px;
  }

  .page-register__registration-form {
    padding: 30px 20px;
  }

  .page-register__form-group {
    margin-bottom: 20px;
  }

  .page-register__form-label {
    font-size: 1em;
    margin-bottom: 8px;
  }

  .page-register__form-input {
    padding: 10px;
    font-size: 0.95em;
    width: 100% !important; /* Ensure input takes full width */
  }

  .page-register__form-group--checkbox {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-register__form-checkbox {
    margin-bottom: 10px;
  }

  .page-register__submit-button {
    padding: 12px 15px;
    font-size: 1.1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__benefits-grid,
  .page-register__games-grid,
  .page-register__promo-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-register__benefit-icon {
    width: 80px;
    height: 80px;
  }

  .page-register__benefit-title {
    font-size: 1.3em;
  }

  .page-register__game-image,
  .page-register__promo-image {
    height: 180px;
  }

  .page-register__game-title,
  .page-register__promo-title {
    font-size: 1.3em;
  }

  .page-register__game-description,
  .page-register__promo-text {
    font-size: 0.9em;
  }

  .page-register__game-link,
  .page-register__cta-button--small {
    margin-left: 20px;
  }

  .page-register__view-all-games,
  .page-register__view-all-promos {
    margin-top: 40px;
  }

  .page-register__trust-image-wrapper {
    width: 100%;
    max-width: 100%;
  }

  .page-register__faq-question {
    padding: 15px 20px;
  }
  
  .page-register__faq-question h3 {
    font-size: 1.1em;
  }

  .page-register__faq-toggle {
    font-size: 20px;
    width: 24px;
    height: 24px;
  }

  .page-register__faq-answer {
    padding: 0 20px;
  }

  .page-register__faq-item.active .page-register__faq-answer {
    padding: 15px 20px !important;
  }

  /* Ensure all images are responsive and do not overflow */
  .page-register img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-register__hero-section,
  .page-register__form-section,
  .page-register__benefits-section,
  .page-register__games-overview-section,
  .page-register__promotions-section,
  .page-register__trust-section,
  .page-register__faq-section,
  .page-register__cta-footer-section,
  .page-register__container,
  .page-register__registration-form,
  .page-register__benefit-item,
  .page-register__game-card,
  .page-register__promo-item,
  .page-register__trust-image-wrapper,
  .page-register__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden;
  }
  .page-register__cta-button--primary, .page-register__cta-button--secondary, .page-register__submit-button, .page-register__cta-button--small {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-register__view-all-games, .page-register__view-all-promos {
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-register__cta-button--small {
    margin-left: auto;
    margin-right: auto;
  }
}

/* Text color for highlight in dark background */
.page-register .text--highlight {
  color: var(--primary-color);
}