/* Biến màu sắc */
:root {
  --page-login-primary-color: #113B7A;
  --page-login-secondary-color: #1D5FD1;
  --page-login-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --page-login-card-bg: #10233F;
  --page-login-text-main: #F3F8FF;
  --page-login-text-secondary: #AFC4E8;
  --page-login-border-color: #244D84;
  --page-login-glow-color: #4FA8FF;
  --page-login-gold-color: #F2C14E;
  --page-login-divider-color: #1B3357;
  --page-login-deep-navy: #08162B;
}

.page-login {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-login-text-main); /* Light text for dark body background */
  background-color: transparent; /* Body background from shared.css */
}

.page-login__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-bottom: 50px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  overflow: hidden;
}

.page-login__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

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

.page-login__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 40px 20px;
  background: rgba(0, 0, 0, 0.6); /* Semi-transparent overlay for text readability */
  border-radius: 15px;
  margin-top: 50px;
}

.page-login__main-title {
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size */
  color: var(--page-login-gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.page-login__description {
  font-size: 1.1em;
  color: var(--page-login-text-secondary);
  margin-bottom: 30px;
}

.page-login__login-form {
  background: var(--page-login-card-bg);
  padding: 30px;
  border-radius: 10px;
  max-width: 400px;
  margin: 0 auto;
  border: 1px solid var(--page-login-border-color);
}

.page-login__form-group {
  margin-bottom: 20px;
  text-align: left;
}

.page-login__form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--page-login-text-main);
  font-weight: 600;
}

.page-login__form-input {
  width: calc(100% - 20px);
  padding: 12px 10px;
  border: 1px solid var(--page-login-border-color);
  border-radius: 5px;
  background-color: var(--page-login-deep-navy);
  color: var(--page-login-text-main);
  font-size: 1em;
}

.page-login__form-input::placeholder {
  color: var(--page-login-text-secondary);
  opacity: 0.7;
}

.page-login__forgot-password-link {
  display: block;
  text-align: right;
  color: var(--page-login-text-secondary);
  font-size: 0.9em;
  margin-top: -10px;
  margin-bottom: 20px;
  text-decoration: none;
}

.page-login__forgot-password-link:hover {
  color: var(--page-login-glow-color);
  text-decoration: underline;
}

.page-login__login-button {
  display: block;
  width: 100%;
  padding: 0;
  border: none;
  border-radius: 5px;
  background: var(--page-login-button-gradient);
  cursor: pointer;
  font-size: 1.1em;
  font-weight: bold;
  color: #ffffff;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.page-login__login-button-link {
  display: block;
  width: 100%;
  padding: 15px 20px;
  color: #ffffff;
  text-decoration: none;
  border-radius: 5px;
}

.page-login__login-button:hover {
  opacity: 0.9;
}

.page-login__register-text {
  margin-top: 20px;
  color: var(--page-login-text-secondary);
  font-size: 0.95em;
}

.page-login__register-link {
  color: var(--page-login-gold-color);
  text-decoration: none;
  font-weight: 600;
}

.page-login__register-link:hover {
  text-decoration: underline;
  color: var(--page-login-glow-color);
}

.page-login__why-choose-section,
.page-login__process-section,
.page-login__security-section,
.page-login__faq-section,
.page-login__cta-section {
  padding: 60px 0;
  text-align: center;
}

.page-login__dark-section {
  background-color: var(--page-login-deep-navy);
  color: var(--page-login-text-main);
}

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

.page-login__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--page-login-gold-color);
  margin-bottom: 20px;
  font-weight: 700;
}

.page-login__section-description {
  font-size: 1.05em;
  color: var(--page-login-text-secondary);
  max-width: 900px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

.page-login__feature-card {
  background: var(--page-login-card-bg);
  border: 1px solid var(--page-login-border-color);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: var(--page-login-text-main);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-login__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-login__feature-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-login__feature-title {
  font-size: 1.5em;
  color: var(--page-login-gold-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-login__feature-text {
  font-size: 0.95em;
  color: var(--page-login-text-secondary);
  line-height: 1.7;
}

.page-login__process-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 40px;
  margin-top: 40px;
}

.page-login__process-steps {
  flex: 1;
  text-align: left;
}

.page-login__process-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 30px;
}

.page-login__step-number {
  background: var(--page-login-primary-color);
  color: #ffffff;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5em;
  font-weight: bold;
  flex-shrink: 0;
  margin-right: 20px;
}

.page-login__step-title {
  font-size: 1.3em;
  color: var(--page-login-gold-color);
  margin: 0 0 10px 0;
  font-weight: 600;
}

.page-login__step-text {
  font-size: 0.95em;
  color: var(--page-login-text-secondary);
  line-height: 1.7;
}

.page-login__process-image-wrapper {
  flex: 1;
  min-width: 400px;
  max-width: 600px;
}

.page-login__process-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

.page-login__security-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
  text-align: left;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__security-item {
  background: var(--page-login-card-bg);
  border: 1px solid var(--page-login-border-color);
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  color: var(--page-login-text-secondary);
  font-size: 1em;
}

.page-login__security-item::before {
  content: '✓';
  color: var(--page-login-gold-color);
  font-weight: bold;
  margin-right: 10px;
  font-size: 1.2em;
}

.page-login__security-footer-text {
  margin-top: 30px;
  font-size: 0.9em;
  color: var(--page-login-text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__faq-list {
  margin-top: 40px;
  text-align: left;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

details.page-login__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--page-login-border-color);
  overflow: hidden;
  background: var(--page-login-card-bg);
}

details.page-login__faq-item summary.page-login__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;
  color: var(--page-login-text-main);
}

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

details.page-login__faq-item summary.page-login__faq-question:hover {
  background: rgba(var(--page-login-primary-color), 0.2);
}

.page-login__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--page-login-gold-color);
}

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

details.page-login__faq-item .page-login__faq-answer {
  padding: 0 20px 20px;
  background: var(--page-login-deep-navy);
  border-radius: 0 0 5px 5px;
  color: var(--page-login-text-secondary);
}

.page-login__faq-answer p {
  margin: 0;
  padding-top: 10px;
}

.page-login__cta-buttons {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-login__btn-primary {
  background: var(--page-login-button-gradient);
  color: #ffffff;
  border: none;
}

.page-login__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-login__btn-secondary {
  background: var(--page-login-card-bg);
  color: var(--page-login-gold-color);
  border: 2px solid var(--page-login-gold-color);
}

.page-login__btn-secondary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  background: rgba(var(--page-login-gold-color), 0.1);
}

/* General image responsiveness */
.page-login img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Media queries for responsiveness */
@media (max-width: 1024px) {
  .page-login__hero-content {
    padding: 30px;
    margin-top: 30px;
  }

  .page-login__process-content {
    flex-direction: column;
  }

  .page-login__process-image-wrapper {
    min-width: unset;
    margin-top: 30px;
  }

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

@media (max-width: 768px) {
  .page-login__hero-section {
    padding-bottom: 30px;
    padding-top: 10px; /* Consistent small top padding */
  }

  .page-login__hero-image {
    object-fit: contain !important; /* Ensure image is not cropped */
    aspect-ratio: unset !important; /* Allow natural aspect ratio */
    width: 100% !important;
    height: auto !important;
  }

  .page-login__hero-content {
    padding: 20px 15px;
    margin-top: 20px;
    max-width: 95%;
  }

  .page-login__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 15px;
  }

  .page-login__description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-login__login-form {
    padding: 20px;
    max-width: 100%;
  }

  .page-login__form-input {
    width: calc(100% - 20px) !important;
  }

  .page-login__forgot-password-link {
    font-size: 0.85em;
  }

  .page-login__login-button-link,
  .page-login__btn-primary,
  .page-login__btn-secondary {
    padding: 12px 15px !important;
    font-size: 1em !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-login__register-text {
    font-size: 0.9em;
  }

  .page-login__why-choose-section,
  .page-login__process-section,
  .page-login__security-section,
  .page-login__faq-section,
  .page-login__cta-section {
    padding: 40px 0;
  }

  .page-login__container {
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-login__section-title {
    font-size: clamp(1.5em, 6vw, 2.2em);
    margin-bottom: 15px;
  }

  .page-login__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }

  .page-login__features-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-login__feature-image {
    height: 180px;
  }

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

  .page-login__process-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 25px;
  }

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

  .page-login__step-title {
    font-size: 1.15em;
    margin-bottom: 8px;
  }

  .page-login__process-image-wrapper {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-login__security-item {
    padding: 12px 15px;
    font-size: 0.95em;
  }

  details.page-login__faq-item summary.page-login__faq-question {
    padding: 15px;
  }
  .page-login__faq-qtext {
    font-size: 15px;
  }
  .page-login__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-login__faq-item .page-login__faq-answer {
    padding: 0 15px 15px;
  }

  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  /* Generic img and container rules for mobile */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-login__section,
  .page-login__card,
  .page-login__container,
  .page-login__login-form,
  .page-login__hero-content {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-login__process-section .page-login__container {
    padding: 0;
  }
  .page-login__process-content {
    padding: 0;
  }
}