/* style/register.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

:root {
  --page-register-primary-color: #26A9E0;
  --page-register-secondary-color: #FFFFFF;
  --page-register-text-dark: #333333;
  --page-register-text-light: #FFFFFF;
  --page-register-login-color: #EA7C07;
  --page-register-background-color: #FFFFFF;
  --page-register-black-color: #000000;
}

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

.page-register__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  text-align: center;
  overflow: hidden;
}

.page-register__hero-image {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-register__hero-content {
  max-width: 900px;
  margin: 0 auto;
  z-index: 1;
}

.page-register__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--page-register-primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-register__description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: var(--page-register-text-dark);
}

.page-register__btn-primary,
.page-register__btn-secondary,
.page-register a[class*="button"],
.page-register a[class*="btn"] {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow long words to break */
}

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

.page-register__btn-primary:hover {
  background-color: darken(var(--page-register-primary-color), 10%);
  border-color: darken(var(--page-register-primary-color), 10%);
}

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

.page-register__btn-secondary:hover {
  background-color: var(--page-register-primary-color);
  color: var(--page-register-text-light);
}

.page-register__registration-section,
.page-register__benefits-section,
.page-register__faq-section,
.page-register__cta-section {
  padding: 80px 20px;
  text-align: center;
}

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

.page-register__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  color: var(--page-register-primary-color);
  margin-bottom: 40px;
  font-weight: 700;
}

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

.page-register__text-block {
  font-size: 1.05rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--page-register-text-dark);
}

.page-register__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 60px;
}

.page-register__step-item {
  background-color: var(--page-register-secondary-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease;
  border: 1px solid #e0e0e0;
}

.page-register__step-item:hover {
  transform: translateY(-5px);
}

.page-register__step-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
  margin-bottom: 25px;
  border-radius: 8px;
  object-fit: cover;
}

.page-register__step-title {
  font-size: 1.5rem;
  color: var(--page-register-primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__step-description {
  font-size: 1rem;
  color: var(--page-register-text-dark);
}

.page-register__form-area {
  background-color: var(--page-register-secondary-color);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.1);
  max-width: 700px;
  margin: 0 auto 60px auto;
  text-align: left;
  border: 1px solid #e0e0e0;
}

.page-register__form-title {
  font-size: 2rem;
  color: var(--page-register-primary-color);
  margin-bottom: 30px;
  text-align: center;
  font-weight: 700;
}

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

.page-register__form-label {
  display: block;
  font-size: 1rem;
  color: var(--page-register-text-dark);
  margin-bottom: 8px;
  font-weight: 600;
}

.page-register__form-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
  box-sizing: border-box;
  color: var(--page-register-text-dark);
}

.page-register__form-input::placeholder {
  color: #888;
}

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

.page-register__form-input--short {
  flex-grow: 1;
}

.page-register__btn-send-code {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 0.95rem;
  white-space: nowrap;
  background-color: var(--page-register-secondary-color);
  color: var(--page-register-primary-color);
  border: 1px solid var(--page-register-primary-color);
}

.page-register__btn-send-code:hover {
  background-color: var(--page-register-primary-color);
  color: var(--page-register-text-light);
}

.page-register__checkbox-group {
  display: flex;
  align-items: center;
  margin-top: 25px;
  margin-bottom: 30px;
}

.page-register__checkbox {
  margin-right: 10px;
  transform: scale(1.2);
}

.page-register__checkbox-label {
  font-size: 0.95rem;
  color: var(--page-register-text-dark);
}

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

.page-register__text-link:hover {
  color: darken(var(--page-register-primary-color), 10%);
}

.page-register__form-submit-btn {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  border-radius: 8px;
  background-color: var(--page-register-primary-color);
  color: var(--page-register-text-light);
  border: 2px solid var(--page-register-primary-color);
}

.page-register__form-submit-btn:hover {
  background-color: darken(var(--page-register-primary-color), 10%);
  border-color: darken(var(--page-register-primary-color), 10%);
}

.page-register__subsection-title {
  font-size: 1.8rem;
  color: var(--page-register-primary-color);
  margin-bottom: 30px;
  font-weight: 600;
}

.page-register__bullet-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-register__list-item {
  font-size: 1rem;
  color: var(--page-register-text-dark);
  margin-bottom: 15px;
  padding-left: 25px;
  position: relative;
}

.page-register__list-item::before {
  content: '✔';
  color: var(--page-register-primary-color);
  position: absolute;
  left: 0;
  font-weight: bold;
}

.page-register__benefits-section {
  background-color: var(--page-register-primary-color);
  color: var(--page-register-text-light); /* Light text for dark background */
}

.page-register__description--light {
  color: var(--page-register-text-light);
}

.page-register__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-register__benefit-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, background-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-register__benefit-card:hover {
  transform: translateY(-8px);
  background-color: rgba(255, 255, 255, 0.2);
}

.page-register__benefit-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  display: block;
  margin: 0 auto 25px auto;
  object-fit: contain;
  border-radius: 8px;
}

.page-register__card-title {
  font-size: 1.4rem;
  color: var(--page-register-text-light);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-register__card-text {
  font-size: 0.95rem;
  color: var(--page-register-text-light);
}

.page-register__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
  text-align: left;
}

.page-register__faq-item {
  background-color: var(--page-register-secondary-color);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-register__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--page-register-primary-color);
  cursor: pointer;
  transition: background-color 0.3s ease;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

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

.page-register__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-register-primary-color);
}

.page-register__faq-item[open] .page-register__faq-toggle {
  content: '−';
}

.page-register__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--page-register-text-dark);
  line-height: 1.7;
}

.page-register__faq-answer p {
  margin: 0;
}

.page-register__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-register__faq-item summary::marker {
  display: none;
}

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

.page-register__cta-button {
  font-size: 1.25rem;
  padding: 18px 35px;
  border-radius: 50px;
  margin-top: 40px;
  background-color: var(--page-register-secondary-color);
  color: var(--page-register-primary-color);
  border: 2px solid var(--page-register-secondary-color);
}

.page-register__cta-button:hover {
  background-color: darken(var(--page-register-secondary-color), 10%);
  border-color: darken(var(--page-register-secondary-color), 10%);
  color: var(--page-register-primary-color);
}

/* ----- Responsive Styles ----- */
@media (max-width: 1024px) {
  .page-register__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-register__hero-section {
    padding: 40px 15px;
  }

  .page-register__registration-section,
  .page-register__benefits-section,
  .page-register__faq-section,
  .page-register__cta-section {
    padding: 60px 15px;
  }

  .page-register__form-area {
    padding: 30px;
  }
}

@media (max-width: 768px) {
  .page-register__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-register__description {
    font-size: 1rem;
  }

  .page-register__section-title {
    font-size: clamp(1.6rem, 5vw, 2.2rem);
  }

  .page-register__text-block {
    font-size: 0.95rem;
  }

  .page-register__steps-grid,
  .page-register__benefits-grid {
    grid-template-columns: 1fr;
  }

  .page-register__form-area {
    padding: 25px;
  }

  .page-register__form-title {
    font-size: 1.8rem;
  }

  .page-register__form-label,
  .page-register__form-input,
  .page-register__btn-send-code,
  .page-register__checkbox-label,
  .page-register__list-item,
  .page-register__card-text,
  .page-register__faq-question,
  .page-register__faq-answer {
    font-size: 0.95rem;
  }

  .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;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-register__form-submit-btn {
    font-size: 1rem;
    padding: 14px 20px;
  }

  .page-register__cta-button {
    font-size: 1.1rem;
    padding: 16px 25px;
  }

  .page-register__verification-input-group {
    flex-direction: column;
    gap: 15px;
  }

  .page-register__btn-send-code {
    width: 100%;
  }
  
  /* 移动端图片适配强制要求 */
  .page-register img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-register__hero-section,
  .page-register__registration-section,
  .page-register__benefits-section,
  .page-register__faq-section,
  .page-register__cta-section,
  .page-register__container,
  .page-register__step-item,
  .page-register__benefit-card,
  .page-register__form-area,
  .page-register__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden;
  }

  .page-register__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  .page-register__cta-buttons,
  .page-register__button-group,
  .page-register__btn-container {
    flex-wrap: wrap !important;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .page-register__main-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-register__section-title {
    font-size: clamp(1.4rem, 6vw, 2rem);
  }

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

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

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

/* Utilities for color contrast safety */
.page-register__dark-bg {
  background-color: var(--page-register-primary-color);
  color: var(--page-register-text-light);
}

.page-register__light-bg {
  background-color: var(--page-register-background-color);
  color: var(--page-register-text-dark);
}

.page-register__contrast-fix {
  background: #ffffff !important;
  color: #333333 !important;
  border: 1px solid #e0e0e0 !important;
}

.page-register__text-contrast-fix {
  color: #333333 !important;
  text-shadow: none !important;
}