/* Header component styles for Zenvvira Shop */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: linear-gradient(180deg, rgba(7, 11, 16, 0.98), rgba(7, 11, 16, 0.96));
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-color-subtle);
}

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

.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  font-size: var(--fs-sm);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 40% 60% 55% 45%;
  background: radial-gradient(circle at 30% 20%, #00f0ff, var(--color-primary-dark));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  color: #05070a;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04), var(--shadow-sm);
}

.site-header__logo-text {
  white-space: nowrap;
}

.site-header__logo-text--accent {
  color: var(--color-primary);
}

.site-header__nav {
  margin-left: auto;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-header__nav-link {
  position: relative;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.15rem;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 999px;
  transition: width var(--transition-normal);
}

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

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

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-left: var(--space-4);
}

.site-header__icon-link,
.site-header__cart-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color-subtle);
  color: var(--color-text-muted);
  background-color: rgba(255, 255, 255, 0.01);
  transition:
    background-color var(--transition-normal),
    border-color var(--transition-normal),
    color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-fast);
}

.site-header__icon-link:hover,
.site-header__icon-link:focus-visible,
.site-header__cart-link:hover,
.site-header__cart-link:focus-visible {
  color: var(--color-text);
  border-color: var(--border-color-strong);
  background-color: rgba(255, 255, 255, 0.03);
  box-shadow: 0 0 0 1px rgba(0, 179, 255, 0.25);
  transform: translateY(-1px);
}

.site-header__cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: #05070a;
  font-size: var(--fs-xs);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 2px;
}

/* Mobile toggle */
.site-header__nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color-subtle);
  background-color: rgba(255, 255, 255, 0.02);
  color: var(--color-text);
  cursor: pointer;
}

.site-header__nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.site-header__nav-toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__nav-toggle.is-open .site-header__nav-toggle-bar:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__mobile-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
  z-index: calc(var(--z-header) - 1);
}

/* Responsive behavior */
@media (max-width: 900px) {
  .site-header__inner {
    padding-block: var(--space-2);
  }

  .site-header__nav-toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: fixed;
    inset-block-start: 0;
    inset-inline-end: 0;
    width: min(260px, 80vw);
    height: 100vh;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-soft);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    padding: var(--space-6) var(--space-4);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: var(--space-6);
    z-index: calc(var(--z-header) + 1);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--fs-base);
  }

  .site-header__nav--open {
    transform: translateX(0);
  }

  .site-header__mobile-backdrop[hidden] {
    display: none;
  }

  .site-header__actions {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .site-header__logo-text {
    display: none;
  }
}

@media (min-width: 901px) {
  .site-header__mobile-backdrop {
    display: none !important;
  }
}