/* Header styles for EasyMarketStore */

.ems-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-xs);
}

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

/* Brand */
.ems-header__logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--color-text);
}

.ems-header__logo:hover {
  color: var(--color-primary);
}

.ems-header__logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.75rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: #ffffff;
}

.ems-header__logo-text {
  letter-spacing: 0.01em;
}

/* Nav */
.ems-header__nav {
  display: flex;
}

.ems-header__nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.ems-header__nav-item--cta {
  margin-left: var(--space-2);
}

.ems-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-soft);
  padding: 0.35rem 0;
}

.ems-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));
  transition: width var(--transition-normal);
}

.ems-header__nav-link:hover,
.ems-header__nav-link:focus-visible {
  color: var(--color-primary-dark);
}

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

.ems-header__nav-link--cta {
  padding-inline: 0.9rem;
  padding-block: 0.4rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-accent-dark);
  background-color: var(--color-accent);
  color: #111827;
  box-shadow: var(--shadow-sm);
}

.ems-header__nav-link--cta:hover,
.ems-header__nav-link--cta:focus-visible {
  background-color: var(--color-accent-dark);
  color: #f9fafb;
}

.ems-header__nav-link--cta::after {
  display: none;
}

.ems-header__cart-icon {
  font-size: 0.9rem;
}

/* Mobile toggle */
.ems-header__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-surface);
  color: var(--color-text);
}

.ems-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.ems-header__toggle-icon {
  display: inline-flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ems-header__toggle-line {
  width: 1.25rem;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal),
    opacity var(--transition-normal),
    width var(--transition-normal);
}

/* Open state animation */
.ems-header__toggle[aria-expanded="true"] .ems-header__toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.ems-header__toggle[aria-expanded="true"] .ems-header__toggle-line:nth-child(2) {
  opacity: 0;
}

.ems-header__toggle[aria-expanded="true"] .ems-header__toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 768px) {
  .ems-header__inner {
    padding-block: var(--space-2);
  }

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

  .ems-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: var(--shadow-sm);
    transform-origin: top;
  }

  /* default: nav visible (no-JS baseline) */
  .ems-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--container-padding-x) var(--space-4);
    gap: var(--space-2);
  }

  .ems-header__nav-item--cta {
    width: 100%;
    margin-left: 0;
  }

  .ems-header__nav-link--cta {
    width: 100%;
    justify-content: center;
  }

  /* JS-enhanced collapsed state */
  .ems-header--js .ems-header__nav {
    max-height: 0;
    opacity: 0;
    pointer-events: none;
    transition: max-height var(--transition-slow), opacity var(--transition-normal);
  }

  .ems-header--js .ems-header__nav--open {
    max-height: 420px;
    opacity: 1;
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ems-header__toggle-line,
  .ems-header--js .ems-header__nav,
  .ems-header--js .ems-header__nav--open {
    transition: none !important;
  }
}