/* Top Navigation Variables */
:root {
  --topnav-text-base: 1rem;
  --topnav-text-lg: 1.125rem;
  --topnav-text-scale: 0.8765;
  --topnav-font-weight-bold: var(--font-weight-heading, 600);
  --topnav-link-padding-x: var(--grid-gutter-width);
}

/* Base Navigation Styles */
.lt-topnav {
  display: block;
  border-top: var(--border-width) solid var(--color-border);
  border-bottom: var(--border-width) solid var(--color-border);
  background-color: var(--color-bg);
  margin-left: calc(-1 * var(--topnav-link-padding-x));
  margin-right: calc(-1 * var(--topnav-link-padding-x));
}

.lt-topnav summary {
  position: relative;
  list-style: none;
  cursor: pointer;
}

.lt-topnav summary::-webkit-details-marker {
  display: none;
}

/* Toggle Button */
.lt-topnav__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem var(--topnav-link-padding-x);
  font-weight: var(--topnav-font-weight-bold);
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  touch-action: manipulation;
}

.lt-topnav__toggle svg {
  width: 1rem;
  height: 1rem;
  margin-top: 0.25rem;
}

.lt-topnav__list {
  margin: 0;
  padding-left: 0;
  list-style: none;
}

.lt-topnav__category {
  position: relative;
  flex-shrink: 0;
  border-top: var(--border-width) solid var(--color-border);
}

/* Main Navigation Links */
.lt-topnav__category > a {
  display: block;
  padding: 0.75rem var(--topnav-link-padding-x);
  color: var(--color-text-primary);
}

.lt-topnav__category:hover > a,
.lt-topnav__category:focus-within > a {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Dropdown Menu */
.lt-topnav__list:not(.lt-topnav__list--main) {
  display: none;
  position: absolute;
  min-width: 100%;
  max-width: 300px;
  padding: 0.75rem 0;
  background-color: var(--color-bg);
  border: var(--border-width) solid var(--color-border);
  border-top: 0;
  border-radius: 0 0 var(--border-radius-base) var(--border-radius-base);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Dropdown Links */
.lt-topnav__list:not(.lt-topnav__list--main) > li > a {
  display: block;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.lt-topnav__list:not(.lt-topnav__list--main) > li > a:hover {
  background-color: var(--color-bg-secondary);
  text-decoration: none;
}

/* Responsive Design */
@media (min-width: 576px) {
  .lt-topnav {
    --topnav-link-padding-x: calc(2 * var(--grid-gutter-width));
  }

  .lt-topnav__toggle {
    padding: 0.75rem calc(2 * var(--grid-gutter-width));
  }
}

@media (min-width: 1024px) {
  .lt-topnav {
    border: 0;
    margin-left: 0;
    margin-right: 0;
    background-color: transparent;
  }

  .lt-topnav__list--main {
    display: flex;
    align-items: flex-end;
    flex-wrap: wrap;
  }

  .lt-topnav__category {
    border-top: 0;
  }

  .lt-topnav__category > a {
    color: #fff;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-base) var(--border-radius-base) 0 0;
  }

  .lt-topnav__category.lt-topnav__active > a {
    background-color: #fff;
    color: var(--color-text-primary);
  }

  .lt-topnav__list--main .lt-topnav__category > .lt-topnav__label {
    font-weight: var(--topnav-font-weight-bold);
  }

  .lt-topnav__category:hover > .lt-topnav__list,
  .lt-topnav__category:focus-within > .lt-topnav__list {
    display: block;
  }
}

.lt-topnav__drawer-content {
  position: relative;
}