/* Dropdown Component Styles - BEM Convention, Mobile-First */

/* ========================================
   Dropdown Container
   ======================================== */

.iis-dropdown {
  position: relative;
  width: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* ========================================
   Trigger Button
   ======================================== */

.iis-dropdown__trigger {
  width: 100%;
  padding: 16px;
  background-color: #F7F0E9;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.2s ease;
  font-size: 1rem;
  color: #727272;
  font-weight: 500;
  text-align: left;
}

.iis-dropdown__trigger:hover {
  background-color: #f0e7dd!important;
}

.iis-dropdown__trigger:focus {
  outline: 2px solid #6AB5A9;
  outline-offset: 2px;
  background-color: #f0e7dd!important;
}

.iis-dropdown__selected-text {
  flex: 1;
  color: #727272;
}

/* ========================================
   Arrow Icon
   ======================================== */

.iis-dropdown__arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 8px;
}

.iis-dropdown__trigger[aria-expanded="true"] .iis-dropdown__arrow {
  transform: rotate(180deg);
}

/* ========================================
   Dropdown List
   ======================================== */

.iis-dropdown__list {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: #f7f7f7;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  list-style: none;
  margin: 0;
  padding: 8px 0;
  max-height: 300px;
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

.iis-dropdown__list[aria-hidden="false"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Custom scrollbar for webkit browsers */
.iis-dropdown__list::-webkit-scrollbar {
  width: 6px;
}

.iis-dropdown__list::-webkit-scrollbar-track {
  background: transparent;
}

.iis-dropdown__list::-webkit-scrollbar-thumb {
  background: #d0d0d0;
  border-radius: 3px;
}

.iis-dropdown__list::-webkit-scrollbar-thumb:hover {
  background: #b0b0b0;
}

/* ========================================
   List Items
   ======================================== */

.iis-dropdown__item {
  padding: 12px 16px;
  color: #727272;
  cursor: pointer;
  transition: background-color 0.2s ease, border-left-color 0.2s ease;
  border-left: 3px solid transparent;
  font-size: 0.9375rem;
}

.iis-dropdown__item:hover {
  background-color: #eeeeee;
}

.iis-dropdown__item:focus {
  outline: none;
  background-color: #e8e8e8;
}

.iis-dropdown__item--selected {
  border-left-color: #6AB5A9;
  font-weight: 600;
}

.iis-dropdown__item[aria-selected="true"] {
  border-left-color: #6AB5A9;
  font-weight: 600;
}

/* ========================================
   Tablet Styles
   ======================================== */

@media (min-width: 768px) {
  .iis-dropdown__trigger {
    padding: 18px;
    font-size: 1.0625rem;
  }

  .iis-dropdown__item {
    padding: 14px 18px;
    font-size: 1rem;
  }

  .iis-dropdown__arrow {
    width: 18px;
    height: 18px;
  }
}

/* ========================================
   Desktop Styles
   ======================================== */

@media (min-width: 1024px) {
  .iis-dropdown {
    max-width: 320px;
  }

  .iis-dropdown__trigger {
    padding: 20px;
    font-size: 1.125rem;
  }

  .iis-dropdown__item {
    padding: 16px 20px;
  }

  .iis-dropdown__item:hover {
    background-color: #e5e5e5;
    transform: translateX(2px);
  }

  .iis-dropdown__arrow {
    width: 20px;
    height: 20px;
  }
}

/* ========================================
   Accessibility Improvements
   ======================================== */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .iis-dropdown__trigger {
    border: 2px solid #727272;
  }

  .iis-dropdown__list {
    border: 2px solid #727272;
  }

  .iis-dropdown__item--selected {
    border-left-width: 5px;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .iis-dropdown__trigger,
  .iis-dropdown__arrow,
  .iis-dropdown__list,
  .iis-dropdown__item {
    transition: none;
  }
}