/* style/download.css */

:root {
  --primary-color: #FFD700; /* Vàng */
  --secondary-color: #8B0000; /* Đỏ sẫm */
  --text-color-light: #ffffff;
  --text-color-dark: #333333;
  --background-dark: #1a1a1a; /* Giả định từ var(--dark-bg-1) */
  --background-light: #f5f5f5;
  --card-bg-light: #ffffff;
  --border-color: #e0e0e0;
}

/* Reset và Base styles cho trang download */
.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-color-light); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--background-dark); /* Nền tối từ shared.css */
  padding-top: 10px; /* Đảm bảo nội dung không bị che bởi header cố định */
}

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

.page-download__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.page-download__section-description {
  font-size: 18px;
  text-align: center;
  margin-bottom: 40px;
  color: var(--text-color-light);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__hero-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--background-dark) 100%);
  padding: 80px 0;
  text-align: center;
  color: var(--text-color-light);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 -5px 15px rgba(0, 0, 0, 0.2);
  padding-top: 10px; /* Cho mobile và desktop */
}

.page-download__hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:abstract_pattern,geometric,dark]');
  background-size: cover;
  opacity: 0.1;
  z-index: 0;
}

.page-download__hero-section .page-download__container {
  position: relative;
  z-index: 1;
}

.page-download__main-title {
  font-size: 48px;
  font-weight: 900;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__hero-description {
  font-size: 22px;
  margin-bottom: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

.page-download__download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.page-download__btn-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 35px;
  border-radius: 50px;
  font-size: 20px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  min-width: 250px;
}

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

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

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

.page-download__btn-secondary:hover {
  background: #7a0000;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-download__btn-icon {
  width: 28px;
  height: 28px;
  margin-right: 10px;
  vertical-align: middle;
}

.page-download__qr-code-section {
  margin-top: 30px;
  padding: 30px;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 15px;
  display: inline-block;
  max-width: 350px;
}

.page-download__qr-code-text {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--text-color-light);
}

.page-download__qr-code-image {
  width: 200px;
  height: 200px;
  border-radius: 8px;
  border: 5px solid var(--primary-color);
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

.page-download__benefits-section {
  padding: 80px 0;
  background-color: var(--background-light);
  color: var(--text-color-dark);
}

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

.page-download__benefit-card {
  background: var(--card-bg-light);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-color-dark);
  border: 1px solid var(--border-color);
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-download__benefit-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.page-download__benefit-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.page-download__benefit-text {
  font-size: 16px;
  color: var(--text-color-dark);
}

.page-download__installation-guide-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--background-dark) 0%, #0d0d0d 100%);
  color: var(--text-color-light);
  position: relative;
  overflow: hidden;
}

.page-download__installation-guide-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:tech_pattern,lines,dark]');
  background-size: cover;
  opacity: 0.05;
  z-index: 0;
}

.page-download__installation-guide-section .page-download__container {
  position: relative;
  z-index: 1;
}

.page-download__guide-tabs {
  display: flex;
  justify-content: center;
  margin-bottom: 40px;
  gap: 15px;
  flex-wrap: wrap;
}

.page-download__tab-button {
  background: rgba(255, 255, 255, 0.1);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 12px 30px;
  border-radius: 30px;
  font-size: 18px;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

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

.page-download__tab-button--active {
  background: var(--primary-color);
  color: var(--text-color-dark);
  border-color: var(--primary-color);
  box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
}

.page-download__guide-content {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  padding: 40px;
  border-radius: 20px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-download__guide-content--active {
  display: block;
}

.page-download__guide-subtitle {
  font-size: 32px;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 30px;
  text-align: center;
}

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

.page-download__guide-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
  background: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__guide-item:last-child {
  margin-bottom: 0;
}

.page-download__guide-step-number {
  background: var(--primary-color);
  color: var(--text-color-dark);
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: bold;
  flex-shrink: 0;
  margin-right: 25px;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.page-download__guide-item-content h4 {
  font-size: 22px;
  color: var(--primary-color);
  margin-top: 0;
  margin-bottom: 10px;
}

.page-download__guide-item-content p {
  font-size: 17px;
  color: var(--text-color-light);
  margin-bottom: 15px;
}

.page-download__guide-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  border: 2px solid var(--primary-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.page-download__game-features-section {
  padding: 80px 0;
  background-color: var(--background-light);
  color: var(--text-color-dark);
}

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

.page-download__game-card {
  background: var(--card-bg-light);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-color-dark);
  border: 1px solid var(--border-color);
}

.page-download__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.15);
}

.page-download__game-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
}

.page-download__game-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--secondary-color);
}

.page-download__game-text {
  font-size: 16px;
  color: var(--text-color-dark);
}

.page-download__cta-center {
  text-align: center;
  margin-top: 40px;
}

.page-download__security-section {
  padding: 80px 0;
  background: var(--secondary-color);
  color: var(--text-color-light);
  position: relative;
  overflow: hidden;
}

.page-download__security-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:abstract_security,red_pattern,dark]');
  background-size: cover;
  opacity: 0.1;
  z-index: 0;
}

.page-download__security-section .page-download__container {
  position: relative;
  z-index: 1;
}

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

.page-download__security-item {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  color: var(--text-color-light);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-download__security-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.page-download__security-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-download__security-text {
  font-size: 16px;
  color: var(--text-color-light);
}

.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--background-light);
  color: var(--text-color-dark);
}

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

.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  background: var(--card-bg-light);
  border: 1px solid var(--border-color);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  background: var(--card-bg-light);
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: var(--text-color-dark);
}

.page-download__faq-question:hover {
  background: #f0f0f0;
}

.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Prevent h3 from blocking click event */
  color: var(--text-color-dark);
}

.page-download__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--secondary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Prevent icon from blocking click event */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: var(--primary-color);
  transform: rotate(180deg);
}

.page-download__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;
  background: #f9f9f9;
  color: var(--text-color-dark);
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 2000px !important; /* Ensure it can fully expand */
  padding: 20px 25px !important;
  opacity: 1;
}

.page-download__faq-answer p {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color-dark);
}

.page-download__cta-final-section {
  padding: 80px 0;
  background: linear-gradient(90deg, var(--primary-color) 0%, #ffd700cc 100%);
  text-align: center;
  color: var(--text-color-dark);
  position: relative;
  overflow: hidden;
}

.page-download__cta-final-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:gold_sparkles,abstract,light]');
  background-size: cover;
  opacity: 0.1;
  z-index: 0;
}

.page-download__cta-final-section .page-download__container {
  position: relative;
  z-index: 1;
}

.page-download__cta-final-section .page-download__section-title {
  color: var(--text-color-dark);
  text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.5);
}

.page-download__cta-final-section .page-download__section-description {
  color: var(--text-color-dark);
  font-size: 20px;
  margin-bottom: 30px;
}

.page-download__btn-large {
  display: inline-block;
  padding: 18px 50px;
  background: var(--secondary-color);
  color: var(--text-color-light);
  border: 2px solid var(--secondary-color);
  border-radius: 50px;
  font-size: 22px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__btn-large:hover {
  background: #7a0000;
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-download__disclaimer {
  font-size: 14px;
  margin-top: 30px;
  color: rgba(0, 0, 0, 0.7);
}

.highlight {
  color: var(--secondary-color);
  font-weight: bold;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: 42px;
  }

  .page-download__section-title {
    font-size: 32px;
  }

  .page-download__download-buttons {
    flex-direction: column;
    align-items: center;
  }

  .page-download__btn-download {
    min-width: unset;
    width: 80%;
  }
}

@media (max-width: 768px) {
  .page-download {
    padding-top: 10px !important;
    font-size: 16px;
    line-height: 1.6;
  }

  .page-download__container {
    padding: 0 15px;
  }

  .page-download__hero-section,
  .page-download__benefits-section,
  .page-download__installation-guide-section,
  .page-download__game-features-section,
  .page-download__security-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 60px 0;
  }

  .page-download__main-title {
    font-size: 36px;
  }

  .page-download__hero-description {
    font-size: 18px;
  }

  .page-download__section-title {
    font-size: 28px;
  }

  .page-download__section-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-download__download-buttons {
    gap: 15px;
  }

  .page-download__btn-download {
    padding: 12px 25px;
    font-size: 18px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-download__qr-code-image {
    width: 150px;
    height: 150px;
  }

  .page-download__benefits-grid,
  .page-download__game-grid,
  .page-download__security-features {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__benefit-card,
  .page-download__game-card,
  .page-download__security-item {
    padding: 25px;
  }

  .page-download__benefit-title,
  .page-download__game-title,
  .page-download__security-title {
    font-size: 20px;
  }

  .page-download__guide-tabs {
    flex-direction: column;
    gap: 10px;
  }

  .page-download__tab-button {
    width: 100%;
    max-width: 100% !important;
    box-sizing: border-box !important;
    font-size: 16px;
    padding: 10px 20px;
  }

  .page-download__guide-content {
    padding: 25px;
  }

  .page-download__guide-subtitle {
    font-size: 26px;
  }

  .page-download__guide-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
  }

  .page-download__guide-step-number {
    margin-right: 0;
    margin-bottom: 15px;
  }

  .page-download__guide-item-content h4 {
    font-size: 20px;
  }

  .page-download__guide-item-content p {
    font-size: 15px;
  }

  .page-download__faq-question {
    padding: 15px 20px;
  }

  .page-download__faq-question h3 {
    font-size: 16px;
  }

  .page-download__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }

  .page-download__faq-answer {
    padding: 15px 20px !important;
  }
  
  .page-download__btn-large {
    padding: 15px 35px;
    font-size: 20px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download img,
  .page-download__qr-code-image,
  .page-download__benefit-icon,
  .page-download__guide-image,
  .page-download__game-icon,
  .page-download__security-icon {
    max-width: 100% !important;
    width: auto !important; /* Allow height to auto-adjust */
    height: auto !important;
    display: block !important;
    margin-left: auto;
    margin-right: auto;
  }

  .page-download__hero-section .page-download__container,
  .page-download__benefits-section .page-download__container,
  .page-download__installation-guide-section .page-download__container,
  .page-download__game-features-section .page-download__container,
  .page-download__security-section .page-download__container,
  .page-download__faq-section .page-download__container,
  .page-download__cta-final-section .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow */
  }
  
  .page-download__download-buttons,
  .page-download__qr-code-section,
  .page-download__guide-tabs,
  .page-download__cta-center {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden !important;
  }
}