/* style/login.css */
:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --card-bg: #11271B;
  --background-color: #08160F;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
}

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

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

.page-login__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  text-align: center;
  background-color: var(--background-color);
  overflow: hidden;
}

.page-login__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  position: relative;
  margin-bottom: 30px;
}

.page-login__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Darken image slightly for text readability */
}

.page-login__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  color: var(--text-main);
}

.page-login__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--gold-color);
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-login__description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: var(--text-secondary);
}

.page-login__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-login__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-login__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-login__btn-secondary {
  background: transparent;
  color: var(--gold-color);
  border: 2px solid var(--gold-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-login__btn-secondary:hover {
  transform: translateY(-3px);
  background: rgba(242, 193, 78, 0.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-login__form-section {
  padding: 80px 0;
  background-color: #0A1F16; /* A slightly lighter dark green for contrast */
  color: var(--text-main);
  text-align: center;
}

.page-login__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 15px;
  color: var(--gold-color);
}

.page-login__section-description {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-login__login-form {
  max-width: 450px;
  margin: 0 auto;
  background: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border-color);
}

.page-login__form-group {
  margin-bottom: 25px;
  text-align: left;
}

.page-login__form-label {
  display: block;
  margin-bottom: 10px;
  font-size: 1rem;
  color: var(--text-main);
  font-weight: 500;
}

.page-login__form-input {
  width: 100%;
  padding: 14px 18px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--deep-green);
  color: var(--text-main);
  font-size: 1rem;
  box-sizing: border-box;
}

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

.page-login__form-input:focus {
  outline: none;
  border-color: var(--glow-color);
  box-shadow: 0 0 0 3px rgba(87, 227, 141, 0.3);
}

.page-login__form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  font-size: 0.95rem;
}

.page-login__remember-me {
  display: flex;
  align-items: center;
  color: var(--text-secondary);
}

.page-login__checkbox {
  margin-right: 8px;
  width: 18px;
  height: 18px;
  accent-color: var(--primary-color);
}

.page-login__forgot-password {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-login__forgot-password:hover {
  color: var(--gold-color);
}

.page-login__submit-button {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
}

.page-login__register-prompt {
  margin-top: 30px;
  color: var(--text-secondary);
  font-size: 1rem;
}

.page-login__register-link {
  color: var(--gold-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-login__register-link:hover {
  color: var(--glow-color);
}

.page-login__why-login {
  padding: 80px 0;
  background-color: var(--background-color);
  color: var(--text-main);
  text-align: center;
}

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

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

.page-login__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 35px rgba(0, 0, 0, 0.4);
}

.page-login__feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  border-radius: 8px; /* Ensure images are not small icons */
  object-fit: cover;
}

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

.page-login__feature-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-login__btn-wide {
  margin-top: 50px;
  min-width: 250px;
}

.page-login__video-section {
  padding: 80px 0;
  background-color: var(--deep-green);
  color: var(--text-main);
  text-align: center;
}

.page-login__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 100%;
  background: #000;
  border-radius: 12px;
  margin-top: 40px;
  border: 2px solid var(--border-color);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.page-login__video-wrapper .page-login__video-link {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
}

.page-login__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.page-login__video-link:hover .page-login__video {
  filter: brightness(1.1);
}

.page-login__guide-section {
  padding: 80px 0;
  background-color: #0A1F16;
  color: var(--text-main);
  text-align: center;
}

.page-login__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-login__step-card {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-login__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 45px;
  height: 45px;
  border-radius: 50%;
  background: var(--button-gradient);
  color: #ffffff;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-login__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--gold-color);
}

.page-login__step-text {
  font-size: 1rem;
  color: var(--text-secondary);
}

.page-login__troubleshooting-section {
  padding: 80px 0;
  background-color: var(--background-color);
  color: var(--text-main);
  text-align: center;
}

.page-login__faq-list {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-login__faq-item {
  background: var(--card-bg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  text-align: left;
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background: var(--deep-green);
  border-bottom: 1px solid var(--divider-color);
  transition: background 0.3s ease;
  list-style: none;
}

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

.page-login__faq-question:hover {
  background: rgba(17, 168, 78, 0.2);
}

.page-login__faq-item[open] .page-login__faq-question {
  background: var(--primary-color);
  color: #ffffff;
}

.page-login__faq-qtext {
  flex-grow: 1;
}

.page-login__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--gold-color);
  transition: transform 0.3s ease;
}

.page-login__faq-item[open] .page-login__faq-toggle {
  transform: rotate(45deg);
  color: #ffffff;
}

.page-login__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--divider-color);
  background-color: var(--card-bg);
}

.page-login__faq-answer p {
  margin-bottom: 15px;
}

.page-login__btn-text {
  color: var(--gold-color);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.page-login__btn-text:hover {
  color: var(--glow-color);
}

.page-login__cta-section {
  padding: 80px 0;
  background-color: #0A1F16;
  color: var(--text-main);
  text-align: center;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-login__hero-section {
    padding: 40px 15px;
  }

  .page-login__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }

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

  .page-login__section-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
  }

  .page-login__features-grid,
  .page-login__steps-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-login__hero-section {
    padding: 30px 15px;
    padding-top: 10px !important;
  }

  .page-login__hero-image-wrapper {
    margin-bottom: 20px;
  }

  .page-login__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }

  .page-login__description {
    font-size: 0.95rem;
  }

  .page-login__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-login__btn-primary,
  .page-login__btn-secondary {
    width: 100% !important;
    padding: 12px 20px !important;
    font-size: 0.95rem !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-login__section-title {
    font-size: clamp(1.6rem, 6vw, 2.2rem);
  }

  .page-login__section-description {
    font-size: 0.9rem;
  }

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

  .page-login__form-input {
    padding: 12px 15px;
  }

  .page-login__form-options {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-login__submit-button {
    padding: 12px;
    font-size: 1rem;
  }

  .page-login__feature-card,
  .page-login__step-card {
    padding: 25px;
  }

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

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

  .page-login__step-number {
    width: 40px;
    height: 40px;
    font-size: 1.3rem;
  }

  .page-login__step-title {
    font-size: 1.2rem;
  }

  .page-login__faq-question {
    padding: 15px 20px;
    font-size: 1.1rem;
  }

  .page-login__faq-toggle {
    font-size: 1.5rem;
  }

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

  /* Mobile image responsiveness */
  .page-login img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-login__section,
  .page-login__card,
  .page-login__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-login__video-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  /* Mobile video responsiveness */
  .page-login video,
  .page-login__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-login__video-section,
  .page-login__video-container,
  .page-login__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
  
  .page-login__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-login__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .page-login__hero-section {
    padding: 20px 10px;
    padding-top: 10px !important;
  }

  .page-login__main-title {
    font-size: clamp(1.6rem, 8vw, 2.2rem);
  }

  .page-login__description {
    font-size: 0.9rem;
  }

  .page-login__login-form {
    padding: 25px 15px;
  }

  .page-login__form-options {
    align-items: center;
  }

  .page-login__remember-me {
    margin-bottom: 10px;
  }

  .page-login__forgot-password {
    text-align: center;
    width: 100%;
  }

  .page-login__features-grid,
  .page-login__steps-grid {
    grid-template-columns: 1fr;
  }

  .page-login__feature-card,
  .page-login__step-card {
    padding: 20px;
  }

  .page-login__faq-question {
    font-size: 1rem;
    padding: 12px 15px;
  }

  .page-login__faq-answer {
    padding: 12px 15px;
  }

  .page-login__section,
  .page-login__card,
  .page-login__container {
    padding-left: 10px;
    padding-right: 10px;
  }

  .page-login__video-section,
  .page-login__video-container,
  .page-login__video-wrapper {
    padding-left: 10px;
    padding-right: 10px;
  }

  .page-login__cta-buttons {
    padding-left: 10px;
    padding-right: 10px;
  }
}