.layout-desktop {
  display: block;
}
.layout-desktop .header {
  height: 4rem;
  width: 100%;
  background: var(--white);
  box-sizing: border-box;
  align-items: center;
  display: flex;
  padding: 0 3rem;
  justify-content: space-between;
  border-bottom: 1px solid var(--gray-400);
  @media (max-width: 768px) {
    height: 3rem;
    padding: 0 0.5rem;
  }
}
.header__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  text-decoration: none;
  color: var(--black);
}
.header__brand .header__logo {
  width: 2rem;
}

.menu {
  display: flex; gap: 1rem;
}
.menu .menu__item {
  border: 1px solid var(--border-color);
  border-radius: 1.4rem;
  padding: 0.3rem 1.4rem;
  text-decoration: none;
  color: var(--black);
  cursor: pointer;
}
.menu .menu__item:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

.menu--desktop {
  display: flex;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 10001; 
}
.menu-toggle__icon {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  width: 1.5rem;
  height: 1.2rem;
  position: relative;
}
.menu-toggle:hover .menu-toggle__icon span {
  background: var(--primary-color-hover);
}
.menu-toggle__icon span {
  width: 100%;
  height: 0.2rem;
  background: var(--primary-color);
  border-radius: 0.1rem;
  transition: all 0.3s ease;
  transform-origin: center;
}
.menu-toggle__icon.active span:nth-child(1) {
  transform: rotate(45deg) translate(0.3rem, 0.3rem);
}
.menu-toggle__icon.active span:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}
.menu-toggle__icon.active span:nth-child(3) {
  transform: rotate(-45deg) translate(0.3rem, -0.3rem);
}

/* Phần này viết cho menu dưới mobile có width nhỏ hơn 768px */
.menu-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: none;
}
.menu-modal.active {
  display: flex;
}
.menu-modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.menu-modal__content {
  position: absolute;
  top: 0;
  right: 0;
  width: 200px;
  height: 100%;
  background: var(--white);
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  animation: slideInRight 0.3s ease;
}
.menu-modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 3rem;
  padding: 0rem 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  background: linear-gradient(135deg, #667eea42 0%, #764ba245 100%);
}
.menu-modal__title {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--gray-800);
}
.menu-modal__items {
  flex:1;
  padding: 1rem 0;
}
.menu-modal__item {
  display: block;
  padding: 1rem 1.5rem;
  color: var(--gray-700);
  text-decoration: none;
  border-bottom: 1px solid var(--gray-100);
  transition: all 0.2s ease;
  font-size: 1rem;
}
.menu-modal__item:hover {
  background: var(--gray-50);
  color: var(--primary-color);
  padding-left: 2rem;
}
.menu-modal__item:last-child {
  border-bottom: none;
}

.layout-desktop .main-container {
  /* height: calc(100vh - 13.46rem); */
  background-color: var(--gray-200);
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 0;
}
.main-content {
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

aside .aside-left__banner, aside .aside-right__banner {
  height: auto;
  width: 120px;
  display: flex;
  justify-content: center;
  align-items: center;
  /* padding: 1rem; */
}

.main-content__container {
  width: 100%;
  margin: 0 auto;
  position: relative;
  padding: 1.6rem;
  background-color: var(--white);
  border-radius: 0.56rem;
  box-sizing: border-box;
  display: block;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.converter {
}
.converter__header {
  height: 2.4rem;
  display: flex;
  flex-direction: row;
  gap: 0.4rem;
  align-items: center;
  justify-content: center;
}
.upload {
  display: none;
  height: auto;
  border: 1px dashed #93939380;
  border-radius: 0.4rem;
  cursor: pointer;
  background: rgba(102, 126, 234, 0.06);
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  justify-content: center;
  padding: 2rem;

  @media (max-width: 500px) {
    display: none;
  }
}
.upload__icon img {
  width: 6rem;
  height: 3.33rem;
}
.upload__text {
  font-size: 1rem;
  color: var(--gray-500);
  text-align: center;
}
.converter__title {
  font-size: 2.78rem;
  font-weight: 600;
  margin: 0;
  padding: 0;
}

.ad-banner--center {
  margin: auto;
  text-align: center;
  max-height: 120px;
  overflow: hidden;
  max-width: 1200px;
  width: 100%;  
}
.ad-banner__image {
  width: 100%;
}

.guide {
  max-width: 1200px;
  width: 100%
}
.guide__block.guide__block--how-to, .section-blog-wrapper {
  background: var(--white);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.guide__title, .section-blog-wrapper h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--gray-800);
  margin-top: 0;
  margin-bottom: 1rem;
  font-weight: 600;
}
.guide__steps {
  display: flex;
  gap: 1rem;
}
.guide__step {
  background: linear-gradient(297deg, #667eea00 0%, #8db7ff29 100% 100%);
  border-radius: 1.2rem;
  position: relative;
  min-height: 120px;
  display: flex;
  align-items: center;
  padding: 0 1rem;
  overflow: hidden;
  border: 1px solid #8db7ff63;
}
.guide__step-image {
  position: absolute;
  top: 0;
  left: 0;
}
.guide__step-text {
  font-size: 1rem;
  color: var(--gray-800);
  line-height: 1.5;
  margin: 0;
  margin-top: 2.5rem;
}

.section-feature-container {
  display: flex;
  max-width: 1200px;
  margin: auto;
  gap: 1rem;
}
.section-feature-block {
  background: var(--white);
  border-radius: 1rem;
  text-align: center;
  padding: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}
.section-blog-container {
  max-width: 1200px;
  width: 100%;
}
.section-blog-wrapper h2 {
  text-align: left;
}
.section-blog-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1rem;
}
.section-blog-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--white);
  border-radius: 0.5rem;
  border: 1px solid var(--gray-200);
  text-decoration: none;
  color: var(--gray-700);
  transition: all 0.3s ease;
}
.section-blog-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
  color: var(--primary-color);
}
.section-blog-icon {
  color: var(--primary-color);
  font-weight: bold;
  font-size: 1.2rem;
}
.section-blog-title {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
}

.layout-desktop .footer {
  position: relative;
  width: 100%;
  height: 7rem;
  background: var(--white);
  border-top: 1px solid var(--gray-400);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.4rem 0;
  margin-top: auto;
  padding-top: 2rem;
}
.footer__copyright, .footer__support, .footer__credit {
  font-size: 0.9rem;
}
.footer__socials {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.5rem;
}
.footer__icon {
  cursor: pointer;
  width: 1.4rem;
}
.footer__link {
  color: var(--primary-color);
  cursor: pointer;
}
.footer__link:hover {
  text-decoration: underline;
}
.footer__credit {
  font-size: 0.9rem;
  color: var(--gray-600);
  position: absolute;
  bottom: 0.5rem;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@media (max-width: 867px) {
  .converter__title { 
    font-size: 1.5rem;
  }
  .upload__text {
    font-size: 1rem;
  }
  .upload__icon img {
    width: 4.5rem;
    height: 2rem;
  }
  .guide__steps, .section-feature-container, .section-feature-container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .menu--desktop {
    display: none;
  }
  .menu-toggle {
    display: block;
  }
  .main-content__container {
    padding: 1rem 1.1rem;
  }
  .guide__step {
    text-align: left;
    height: 100%;
    flex-direction: row;
    align-items: center;
    padding: 1.5rem;
    padding-bottom: 0;
  }
  .guide__step-text {
    text-align: left;
    font-size: 0.9rem;
  }
  .section-feature-container {
    display: flex;
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .menu-modal__content {
    width: 75%;
  }
  .menu-toggle__icon {
    width: 1.3rem;
    height: 1rem;
  }
}


.layout-mobile {
  display: none;
}


/*
.left-top-banner-container video {
  width: 2rem;
}
.main-wrapper {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 1rem 0;
  @media (max-width: 768px) {
    padding-top: 0.3rem;
  }
}

aside {
  max-width: 180px;
}

.banner-container img {
  width: 100%;
}

/* Phần chính của tool convert */
.content-container {
  max-width: 720px;
  padding: 1.1rem;
  background-color: var(--white);
  box-sizing: border-box;
  @media (max-width: 768px) {
    padding: 1rem 1.1rem;  /* tự thêm đợi anh Sang cho ý kiến */
  }
}

.header-converter-box-mobile {
  height: 2.4rem;
  display: flex;
  flex-direction: row;
  gap: 0.4rem;
  align-items: center;
  justify-content: center;

  @media (max-width: 768px) {
    display: none;
  }
}

.header-converter-box-mobile {
  display: none;
  @media (max-width: 768px) {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
}

.header-mobile-left {
  display: flex;
  align-items: center;
  gap: 0.16rem;
}

.header-converter-box video, .header-mobile-left video, .header-converter-box img, .header-mobile-left img {
  width: auto;
  height: 2.4rem;
}
.header-converter-box-mobile h4 {
  font-size: 2rem;
  font-weight: 600;
  margin: 0;
  padding: 0;
}
.footer-converter-box {
  margin-top: 1.92rem;
  @media (max-width: 768px) {
    margin-top: 0.2rem;
  }
}
.convert-button {
  width: 100%;
  padding: 1.14rem 0;
  
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--primary-color);
  border: none;
  border-radius: var(--border-radius);
  color: var(--white);
  transition: var(--transition);
  box-shadow: 0 0.26rem 1rem rgba(102, 126, 234, 0.3);
  max-height: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;

  &:not(:disabled):hover {
    transition: transform 0.2s ease-in-out;
    transform: scale(1.01);
  }
}

.convert-button:disabled {
  background: var(--gray-500);
  cursor: not-allowed;
}

.corner-select {
  position: absolute;
  top: 2px;
  right: 2px;
  border: 1px dashed var(--gray-600);
  border-radius: 2.4rem;
}

.mobile-menu-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.mobile-logo-icon {
  width: 1.5rem;
  height: 1.5rem;
}

.mobile-menu-logo span {
  font-size: 1rem;
  font-weight: bold;
  color: var(--gray-800);
}

.mobile-menu-close {
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
}

.mobile-menu-close:hover {
  background: var(--gray-200);
}


.mobile-menu-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--gray-600);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 0.25rem;
  transition: all 0.2s ease;
}

.mobile-menu-close:hover {
  background: var(--gray-200);
  color: var(--gray-800);
}

@media (max-width: 480px) {
  
  .mobile-menu-toggle {
    padding: 0.3rem;
  }
  
  .hamburger {
    width: 1.3rem;
    height: 1rem;
  }
}

.how-to-block.message-block, .blog-container {
  background: var(--white);
  border-radius: 1rem;
  padding: 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.how-to-block h2, .blog-container h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--gray-800);
  margin-top: 0;
  margin-bottom: 1rem;
  font-weight: 600;
}

.blog-container h2 {
  text-align: left;
}

.blog-item-title {
}

@media (min-width: 769px) {
  .step-rows {
    display: flex;
    flex-direction: row;
  }
  
  .step-rows .ant-col {
    flex: 1;
    height: 100%;
  }
  
  .step-block {
    text-align: center;
    flex-direction: column;
    justify-content: center;
    padding-bottom: 1.4rem;
  }
  
  .step-block img {
    position: absolute;
    left: 0;
  }
  
  .step-text {
    text-align: center;
    margin-top: 3rem;
  }
}

@media (max-width: 768px) {
  .step-rows {
    display: flex;
    flex-direction: column;
    height: auto;
  }
  
  .step-rows .ant-col {
    flex: none;
    width: 100%;
    height: 8rem;
  }
}

@media (max-width: 768px) {
  .ant-col-xs-24 {
    flex: none !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .ant-col-md-8 {
    flex: none !important;
    max-width: 100% !important;
    width: 100% !important;
  }
}

@media (min-width: 769px) {
  .ant-col-md-8 {
    flex: 1 !important;
    max-width: 33.333% !important;
    width: 33.333% !important;
  }
}

.dialog-menu-overlay {
  position: fixed;
  display: none;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  
  background: rgba(28, 23, 23, 0.4);
  z-index: 9999;
}
.dialog-menu-overlay.active {
  display: flex;
  justify-content: flex-end;
}

.sidenav-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #fff;
  position: relative;
}

.logo-container {
  width: 100%;
  padding: 2.8rem 0 2rem;
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
}

.logo-text {
  font-weight: 600;
  font-size: 1.5rem;
}

#logoTextPremium {
  display: none;
}

.menu-main-container {
  display: block;

  .premium-container {
    width: 100%;
    box-sizing: border-box;
    padding: 0 1.3rem;
    
    span {
      font-family: 'Monda', Arial, sans-serif;
      font-size: 1.25rem;
      color: #fff;
      font-weight: 600;
      text-transform: uppercase;
    }
  }

  button.premium {
    font-family: 'Monda', Arial, sans-serif;
    border-radius: 8px;
    background: #667EEA;
    width: 100%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    height: 3.25rem;
  }

  .description {
    margin-top: 0.3rem;
    text-align: center;
    padding: 0 1.5rem;
    
    span {
      font-family: 'Monda', Arial, sans-serif;
      font-size: calc(15rem / 16);
      font-weight: normal;
    }
  }

  .menu-container {
    margin-top: 1.6rem;
    background: #ffffff;
    padding: 0.5rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    top: 7.3rem;
    height: 100vh;
    width: 100%;
    box-sizing: border-box;
  }
  
  .menu-item {
    padding: 0.4rem;
    display: flex;
    align-items: center; 
    gap: 0.9rem;
    cursor: pointer;
    position: relative;
    z-index: 1;

    img {
      width: 1rem;
    }

    span {
      font-family: 'Monda', Arial, sans-serif;
      font-size: 1rem;
      font-family: 'Roboto', sans-serif;
      font-weight: normal;
      line-height: 1rem;
    }

    &:hover {
      background-color: rgba(100, 100, 100, 0.4);
      z-index: 1;
    }
  }
}

.dialog-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 10;
}

.menu-buy-premium {
  display: none;
}