/* style/register.css */
:root {
  --primary-color: #26A9E0;
  --secondary-color: #007bff; /* A slightly different blue for hover/secondary actions */
  --accent-color: #EA7C07; /* Color for login button as specified */
  --text-dark: #333333;
  --text-light: #ffffff;
  --background-light: #ffffff;
  --background-dark: #1a1a1a; /* Adjusted dark background for better contrast with light text */
  --border-color: #e0e0e0;
}

.page-register {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--background-light); /* Default light background */
}

.page-register__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px); /* Ensure content is below fixed header */
  overflow: hidden;
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
  color: var(--text-light);
}

.page-register__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.2;
}

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

.page-register__hero-container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-register__hero-content {
  width: 100%;
  max-width: 800px;
}

.page-register__main-heading {
  font-size: 3.2em;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--text-light);
}

.page-register__description-text {
  font-size: 1.2em;
  margin-bottom: 40px;
  color: #e0e0e0;
}

.page-register__registration-form-wrapper {
  background: var(--background-light);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  text-align: left;
  width: 100%;
  max-width: 500px;
  margin: 40px auto 0;
  color: var(--text-dark);
}

.page-register__form-title {
  font-size: 2em;
  margin-bottom: 30px;
  color: var(--primary-color);
  text-align: center;
}

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

.page-register__form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--text-dark);
}

.page-register__form-group input[type="text"],
.page-register__form-group input[type="password"],
.page-register__form-group input[type="tel"] {
  width: calc(100% - 24px);
  padding: 12px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1em;
  transition: border-color 0.3s ease;
}

.page-register__form-group input[type="text"]:focus,
.page-register__form-group input[type="password"]:focus,
.page-register__form-group input[type="tel"]:focus {
  border-color: var(--primary-color);
  outline: none;
}

.page-register__verification-input-group {
  display: flex;
  gap: 10px;
}

.page-register__verification-input-group input {
  flex-grow: 1;
}

.page-register__get-code-button {
  padding: 12px 15px;
  background: var(--accent-color);
  color: var(--text-light);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 1em;
  white-space: nowrap;
  transition: background-color 0.3s ease;
}

.page-register__get-code-button:hover {
  background: #c76505;
}

.page-register__checkbox-group {
  display: flex;
  align-items: center;
  margin-bottom: 25px;
}

.page-register__checkbox-group input[type="checkbox"] {
  margin-right: 10px;
  min-width: 18px;
  min-height: 18px;
}

.page-register__terms-link {
  color: var(--primary-color);
  text-decoration: none;
}

.page-register__terms-link:hover {
  text-decoration: underline;
}

.page-register__cta-button {
  display: block;
  width: 100%;
  padding: 15px 25px;
  text-align: center;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-primary {
  background: var(--primary-color);
  color: var(--text-light);
  border: 2px solid var(--primary-color);
}

.page-register__btn-primary:hover {
  background: #1f8ec4;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-register__login-prompt {
  text-align: center;
  margin-top: 25px;
  font-size: 0.95em;
  color: var(--text-dark);
}

.page-register__login-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-register__login-link:hover {
  text-decoration: underline;
}

.page-register__section {
  padding: 80px 20px;
  text-align: center;
}

.page-register__section--white {
  background-color: var(--background-light);
  color: var(--text-dark);
}

.page-register__section-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-register__section-title--white {
  color: var(--text-light);
}

.page-register__section-intro {
  font-size: 1.1em;
  max-width: 900px;
  margin: 0 auto 50px;
  color: #555;
}

.page-register__section-intro--white {
  color: #e0e0e0;
}

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

.page-register__container--center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-register__why-join .page-register__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__feature-item {
  background: var(--background-light);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-register__feature-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-register__feature-item img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

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

.page-register__feature-description {
  font-size: 1em;
  color: #555;
}

.page-register__guide {
  background: var(--primary-color);
  color: var(--text-light);
}

.page-register__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-register__step-item {
  background: var(--background-light);
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-align: left;
  position: relative;
  color: var(--text-dark);
  min-height: 450px; /* Ensure consistent height */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-register__step-number {
  position: absolute;
  top: -20px;
  left: 20px;
  background: var(--accent-color);
  color: var(--text-light);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8em;
  font-weight: bold;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-register__step-title {
  font-size: 1.8em;
  margin-top: 15px;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-register__step-description {
  font-size: 1em;
  margin-bottom: 20px;
  color: #555;
  flex-grow: 1;
}

.page-register__step-item img {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: contain;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-register__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: var(--background-light);
  color: var(--primary-color);
  text-decoration: none;
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-register__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-light);
  transform: translateY(-2px);
}

.page-register__important-notes {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 40px;
  margin-top: 60px;
  text-align: left;
  color: var(--text-light);
}

.page-register__notes-title {
  font-size: 2em;
  margin-bottom: 25px;
  color: var(--text-light);
  text-align: center;
}

.page-register__notes-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-register__notes-list li {
  margin-bottom: 15px;
  padding-left: 30px;
  position: relative;
  font-size: 1.05em;
  line-height: 1.8;
}

.page-register__notes-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: bold;
  font-size: 1.2em;
}

.page-register__benefits .page-register__benefit-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__card {
  background: var(--background-light);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  color: var(--text-dark);
}

.page-register__card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-register__benefit-card img {
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-register__card-title {
  font-size: 1.6em;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-register__card-description {
  font-size: 1em;
  color: #555;
}

.page-register__cta-container {
  margin-top: 60px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.page-register__promotions {
  background: var(--primary-color);
  color: var(--text-light);
}

.page-register__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__promo-item {
  background: var(--background-light);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-register__promo-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-register__promo-item img {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-register__promo-title {
  font-size: 1.6em;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-register__promo-description {
  font-size: 1em;
  color: #555;
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-register__security {
  background-color: var(--background-light);
  color: var(--text-dark);
}

.page-register__security-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-register__security-item {
  background: var(--background-light);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-register__security-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-register__security-item img {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-register__security-title {
  font-size: 1.6em;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-register__security-description {
  font-size: 1em;
  color: #555;
}

.page-register__security-outro {
  margin-top: 50px;
  font-size: 1.1em;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #555;
}

.page-register__faq {
  background-color: var(--background-light);
  color: var(--text-dark);
}

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

/* FAQ容器样式 */
.page-register__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

/* 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 15px;
  opacity: 0;
}

/* 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 15px !important;
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
}

/* Vấn đề (Câu hỏi) kiểu */
.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-register__faq-question:hover {
  background: #f5f5f5;
  border-color: #d0d0d0;
}

.page-register__faq-question:active {
  background: #eeeeee;
}

/* Kiểu tiêu đề câu hỏi */
.page-register__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện click */
  color: var(--text-dark);
}

/* Biểu tượng chuyển đổi */
.page-register__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #666;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện click */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-register__faq-item.active .page-register__faq-toggle {
  color: #333;
  transform: rotate(45deg); /* Change to 'x' or rotate for '−' */
}

.page-register__cta-final {
  background: var(--primary-color);
  color: var(--text-light);
  padding: 100px 20px;
}

.page-register__cta-final .page-register__cta-button {
  width: auto;
  margin: 15px 10px; /* Adjust margin for multiple buttons */
}

.page-register__cta-final .page-register__btn-secondary {
  background: var(--background-light);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-register__cta-final .page-register__btn-secondary:hover {
  background: #f0f0f0;
  color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-register__main-heading {
    font-size: 2.8em;
  }
  .page-register__section-title {
    font-size: 2.4em;
  }
  .page-register__registration-form-wrapper {
    padding: 30px;
  }
  .page-register__step-item {
    min-height: 400px;
  }
}

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

  .page-register__hero-section {
    padding-top: var(--header-offset, 120px) !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register__main-heading {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-register__description-text {
    font-size: 1em;
    margin-bottom: 30px;
  }

  .page-register__registration-form-wrapper {
    padding: 25px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-register__form-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-register__form-group input,
  .page-register__get-code-button {
    font-size: 0.95em;
  }

  .page-register__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register__section {
    padding: 40px 15px;
  }

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

  .page-register__section-intro {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-register__feature-grid,
  .page-register__guide-steps,
  .page-register__benefit-cards,
  .page-register__promo-grid,
  .page-register__security-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-register__feature-item img,
  .page-register__step-item img,
  .page-register__benefit-card img,
  .page-register__promo-item img,
  .page-register__security-item img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px;
    min-height: 200px;
  }

  .page-register__step-item {
    padding: 30px 20px;
    min-height: auto;
  }
  .page-register__step-number {
    top: -15px;
    left: 15px;
    width: 40px;
    height: 40px;
    font-size: 1.5em;
  }
  .page-register__step-title {
    font-size: 1.5em;
    margin-top: 10px;
  }

  .page-register__important-notes {
    padding: 30px 20px;
  }

  .page-register__notes-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-register__notes-list li {
    font-size: 0.95em;
    padding-left: 25px;
  }

  .page-register__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-register__faq-question h3 {
    font-size: 15px;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-register__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-register__faq-answer {
    padding: 0 15px;
  }
  
  .page-register__faq-item.active .page-register__faq-answer {
    padding: 15px !important;
  }

  .page-register__cta-final {
    padding: 60px 15px;
  }
  .page-register__cta-final .page-register__cta-button {
    margin: 10px 0;
  }
  .page-register__cta-container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-register__section,
  .page-register__card,
  .page-register__container,
  .page-register__feature-item,
  .page-register__step-item,
  .page-register__benefit-card,
  .page-register__promo-item,
  .page-register__security-item,
  .page-register__registration-form-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register__cta-button,
  .page-register__btn-primary,
  .page-register__btn-secondary,
  .page-register a[class*="button"],
  .page-register a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-register__cta-final .page-register__cta-button {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 480px) {
  .page-register__main-heading {
    font-size: 1.8em;
  }
  .page-register__section-title {
    font-size: 1.6em;
  }
  .page-register__registration-form-wrapper {
    padding: 20px;
  }
  .page-register__form-title {
    font-size: 1.5em;
  }
  .page-register__notes-list li {
    padding-left: 20px;
  }
  .page-register__notes-list li::before {
    font-size: 1em;
  }
}