/* Mobile accordion utility
   Usage:
   <div class="mobile-accordion">
     <button class="mobile-accordion__title" type="button" aria-expanded="false">Tieu de</button>
     <div class="mobile-accordion__content">...</div>
   </div>
*/

.mobile-accordion {
  margin: 16px 0;
}

.mobile-accordion__title,
.mobile-accordion__close {
  display: none;
}

.mobile-accordion__content > :first-child {
  margin-top: 0;
}

.mobile-accordion__content > :last-child {
  margin-bottom: 0;
}

@keyframes mobileAccordionArrowDown {
  0%,
  100% {
    transform: rotate(45deg) translate(0, 0);
    opacity: 0.9;
  }

  50% {
    transform: rotate(45deg) translate(3px, 3px);
    opacity: 1;
  }
}

@keyframes mobileAccordionArrowUp {
  0%,
  100% {
    transform: rotate(-135deg) translate(0, 0);
    opacity: 0.9;
  }

  50% {
    transform: rotate(-135deg) translate(3px, 3px);
    opacity: 1;
  }
}

@media (max-width: 767px) {
  .mobile-accordion {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
  }

  .mobile-accordion__title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    border: 0;
    background: transparent;
    font: inherit;
    font-weight: 700;
    line-height: 1.4;
    text-align: left;
    cursor: pointer;
  }

  .mobile-accordion__title::after,
  .mobile-accordion__close::after {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    flex: 0 0 10px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
  }

  .mobile-accordion__title::after {
    transform: rotate(45deg);
    animation: mobileAccordionArrowDown 1s ease-in-out infinite;
  }

  .mobile-accordion.is-open .mobile-accordion__title::after,
  .mobile-accordion__close::after {
    transform: rotate(-135deg);
    animation: mobileAccordionArrowUp 1s ease-in-out infinite;
  }

  .mobile-accordion__content {
    display: none;
    padding: 0 16px 16px;
  }

  .mobile-accordion.is-open .mobile-accordion__content {
    display: block;
  }

  .mobile-accordion__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    margin-top: 12px;
    padding: 12px 14px 0;
    border: 0;
    border-top: 1px solid #e5e7eb;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
  }
}

@media (min-width: 768px) {
  .mobile-accordion__content {
    display: block !important;
  }

  .mobile-accordion__close {
    display: none !important;
  }
}