/* Header styles for KidsSupplyStore */

.kss-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-xs);
  border-bottom: 1px solid rgba(229, 231, 235, 0.8);
}

.kss-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Brand */
.kss-header__brand-wrap {
  flex-shrink: 0;
}

.kss-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.kss-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 6px 9px;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, var(--color-primary-soft), #fff8e6);
  box-shadow: var(--shadow-sm);
}

.kss-header__logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.kss-header__logo-dot--blue { background-color: var(--color-primary); }
.kss-header__logo-dot--peach { background-color: var(--color-accent-peach); }

.kss-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.kss-header__brand-name {
  font-family: var(--font-family-heading);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.kss-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-soft);
}

/* Nav */
.kss-header__nav {
  flex: 1;
}

.kss-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  list-style: none;
  padding: 0;
  margin: 0;
}

.kss-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-soft);
}

.kss-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent-yellow));
  transition: width var(--transition-normal);
}

.kss-header__nav-link:hover,
.kss-header__nav-link:focus-visible {
  color: var(--color-text);
}

.kss-header__nav-link:hover::after,
.kss-header__nav-link:focus-visible::after {
  width: 100%;
}

/* Actions */
.kss-header__actions {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.kss-header__action-btn {
  font-size: var(--font-size-xs);
  padding-inline: 1.1rem;
}

.kss-header__icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background-color: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-size: 0.9rem;
  box-shadow: var(--shadow-xs);
}

.kss-header__icon-link:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

/* Toggle (mobile) */
.kss-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-primary-soft);
  background-color: var(--color-surface);
  cursor: pointer;
}

.kss-header__toggle-box {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 18px;
}

.kss-header__toggle-line {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.kss-header__toggle--open .kss-header__toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.kss-header__toggle--open .kss-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.kss-header__toggle--open .kss-header__toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 960px) {
  .kss-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .kss-header__toggle {
    display: inline-flex;
  }

  .kss-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: rgba(253, 252, 251, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(229, 231, 235, 0.8);
    transform-origin: top;
  }

  .kss-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
  }

  .kss-header__nav-item {
    border-top: 1px solid rgba(229, 231, 235, 0.7);
  }

  .kss-header__nav-link {
    padding: 0.9rem var(--space-4);
    font-size: var(--font-size-base);
  }

  .kss-header__nav-link::after {
    display: none;
  }

  .kss-header__nav-list--open {
    max-height: 360px;
  }

  .kss-header__actions {
    gap: var(--space-1);
  }

  .kss-header__brand-tagline {
    display: none;
  }
}

@media (max-width: 640px) {
  .kss-header__actions .kss-header__action-btn {
    display: none;
  }
}

@media (min-width: 961px) {
  .kss-header__nav-list {
    max-height: none !important;
  }
}