/* style/login.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

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

.page-login {
  background-color: var(--color-background);
  color: var(--color-text-main);
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
}

.page-login h1, .page-login h2, .page-login h3, .page-login h4, .page-login h5, .page-login h6 {
  color: var(--color-text-main);
  margin-bottom: 15px;
  font-weight: bold;
  line-height: 1.2;
}

.page-login h1 {
  text-align: center;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  letter-spacing: -0.02em;
}

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

.page-login__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 20px 80px; /* body đã có padding-top, đây chỉ là padding nhỏ */
  text-align: center;
  overflow: hidden;
}

.page-login__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
  opacity: 0.2;
}

.page-login__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 0;
  max-width: 800px;
}

.page-login__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: 20px;
  color: var(--color-gold);
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.4);
}

.page-login__hero-description {
  font-size: 1.2rem;
  margin-bottom: 40px;
  color: var(--color-text-secondary);
}

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

.page-login__btn-primary,
.page-login__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
  box-sizing: border-box;
}

.page-login__btn-primary {
  background: var(--color-button-gradient);
  color: var(--color-text-main);
  box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-login__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(42, 209, 111, 0.6);
}

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

.page-login__btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-text-main);
  transform: translateY(-3px);
}

.page-login__login-form-section {
  padding: 80px 0;
  background-color: var(--color-background);
}

.page-login__login-form-section .page-login__container {
  display: flex;
  gap: 40px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.page-login__login-card {
  background-color: var(--color-card-bg);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  max-width: 500px;
  width: 100%;
  border: 1px solid var(--color-border);
}

.page-login__section-title {
  font-size: 2.2rem;
  color: var(--color-text-main);
  margin-bottom: 30px;
  text-align: center;
}

.page-login__login-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-login__form-group {
  display: flex;
  flex-direction: column;
}

.page-login__form-label {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
}

.page-login__form-input {
  padding: 12px 15px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background-color: var(--color-deep-green);
  color: var(--color-text-main);
  font-size: 1rem;
  outline: none;
  transition: border-color 0.3s ease;
}

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

.page-login__form-input:focus {
  border-color: var(--color-primary);
}

.page-login__form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
}

.page-login__forgot-password {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.page-login__btn-submit {
  padding: 12px 25px;
  font-size: 1rem;
  min-width: 150px;
}

.page-login__register-text {
  text-align: center;
  margin-top: 30px;
  color: var(--color-text-secondary);
}

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

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

.page-login__login-info {
  max-width: 500px;
  width: 100%;
  text-align: center;
}

.page-login__login-info-image {
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-login__info-title {
  font-size: 1.8rem;
  color: var(--color-gold);
  margin-bottom: 15px;
}

.page-login__info-description {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
}

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

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

.page-login__benefits-section,
.page-login__how-to-login-section,
.page-login__faq-section,
.page-login__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--color-background);
}

.page-login__section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  max-width: 900px;
  margin: 0 auto 50px;
}

.page-login__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-login__benefit-item {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-login__benefit-icon {
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-login__benefit-title {
  font-size: 1.5rem;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.page-login__benefit-text {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.page-login__login-steps {
  list-style: none;
  padding: 0;
  counter-reset: step-counter;
  max-width: 800px;
  margin: 50px auto;
  text-align: left;
}

.page-login__step-item {
  background-color: var(--color-card-bg);
  padding: 25px;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
  position: relative;
  padding-left: 70px;
}

.page-login__step-item::before {
  counter-increment: step-counter;
  content: "Bước " counter(step-counter);
  position: absolute;
  left: 20px;
  top: 25px;
  background: var(--color-primary);
  color: var(--color-text-main);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
}

.page-login__step-title {
  font-size: 1.3rem;
  color: var(--color-gold);
  margin-bottom: 10px;
}

.page-login__step-text {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.page-login__cta-buttons--centered {
  margin-top: 40px;
}

.page-login__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
  text-align: left;
}

.page-login__faq-item {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-login__faq-item[open] {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-login__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-weight: bold;
  color: var(--color-text-main);
  font-size: 1.1rem;
  list-style: none;
  position: relative;
}

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

.page-login__faq-qtext {
  flex-grow: 1;
  color: var(--color-text-main);
}

.page-login__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  color: var(--color-primary);
  margin-left: 20px;
  transition: transform 0.3s ease;
}

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

.page-login__faq-answer {
  padding: 0 25px 20px;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.page-login__faq-answer p {
  margin-bottom: 10px;
}

.page-login__faq-answer p:last-child {
  margin-bottom: 0;
}

/* ================================================= */
/* Responsive Styles */
/* ================================================= */

/* Tablet and Mobile */
@media (max-width: 1024px) {
  .page-login__main-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }

  .page-login__hero-description {
    font-size: 1.1rem;
  }

  .page-login__section-title {
    font-size: 2rem;
  }

  .page-login__login-form-section .page-login__container {
    flex-direction: column;
  }

  .page-login__login-card,
  .page-login__login-info {
    max-width: 600px;
  }
}

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

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

  .page-login h1 {
    margin-bottom: 10px;
  }

  .page-login__hero-section {
    padding: 10px 15px 60px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

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

  .page-login__hero-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

  .page-login__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-login__btn-primary,
  .page-login__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-login__login-form-section,
  .page-login__benefits-section,
  .page-login__how-to-login-section,
  .page-login__faq-section,
  .page-login__cta-section {
    padding: 40px 0;
  }

  .page-login__section-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
  }

  .page-login__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

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

  .page-login__form-input {
    padding: 10px 12px;
  }

  .page-login__btn-submit {
    width: 100%;
    min-width: unset;
  }

  .page-login__form-actions {
    flex-direction: column-reverse;
    gap: 15px;
  }

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

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

  .page-login__benefit-item {
    padding: 20px;
  }

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

  .page-login__step-item {
    padding-left: 60px;
  }

  .page-login__step-item::before {
    width: 35px;
    height: 35px;
    font-size: 0.8rem;
    left: 15px;
    top: 20px;
  }

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

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

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

  /* 强制图片响应式 */
  .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,
  .page-login__hero-section,
  .page-login__login-form-section,
  .page-login__benefits-section,
  .page-login__how-to-login-section,
  .page-login__faq-section,
  .page-login__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important; /* Ensure no horizontal scroll */
  }
}

/* 确保所有图片尺寸大于200px，且不使用filter */
.page-login img {
  filter: none; /* 明确禁止filter */
}