/* Header styles for Craft Tools Line */

.ctl-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border-subtle);
  box-shadow: var(--shadow-xs);
}

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

/* Brand */
.ctl-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.ctl-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--gray-900);
}

.ctl-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  background: var(--color-primary-soft);
  color: var(--color-primary-strong);
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.ctl-header__logo-text {
  display: flex;
  flex-direction: column;
}

.ctl-header__logo-name {
  font-weight: 600;
  font-size: var(--font-size-md);
}

.ctl-header__logo-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.ctl-header__nav {
  flex: 1 1 auto;
}

.ctl-header__nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  list-style: none;
  padding: 0;
  margin: 0;
}

.ctl-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.3rem;
  padding-block: 0.2rem;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.ctl-header__nav-link:hover,
.ctl-header__nav-link:focus-visible {
  color: var(--gray-900);
}

.ctl-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.1rem;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  opacity: 0;
  transform: scaleX(0.6);
  transform-origin: center;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.ctl-header__nav-link:hover::after,
.ctl-header__nav-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

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

.ctl-header__action-link {
  font-size: var(--font-size-xs);
  padding-inline: 0.9rem;
}

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

.ctl-header__icon-link i {
  font-size: 0.95rem;
}

.ctl-header__icon-link:hover,
.ctl-header__icon-link:focus-visible {
  color: var(--color-primary-strong);
  background-color: var(--color-primary-soft);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* Mobile toggle */
.ctl-header__nav-toggle {
  display: none;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.ctl-header__nav-toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-700);
  transition: transform var(--transition-normal), opacity var(--transition-normal), background-color var(--transition-normal);
}

.ctl-header__nav-toggle-bar:nth-child(1) {
  transform: translateY(-4px);
}

.ctl-header__nav-toggle-bar:nth-child(3) {
  transform: translateY(4px);
}

.ctl-header__nav-toggle[aria-expanded="true"] .ctl-header__nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.ctl-header__nav-toggle[aria-expanded="true"] .ctl-header__nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

.ctl-header__nav-toggle[aria-expanded="true"] .ctl-header__nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

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

  .ctl-header__logo-tagline {
    display: none;
  }

  .ctl-header__nav-toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .ctl-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;
  }

  .ctl-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .ctl-header__nav-item + .ctl-header__nav-item {
    border-top: 1px solid var(--color-border-subtle);
  }

  .ctl-header__nav-link {
    padding: 0.8rem var(--space-4);
    width: 100%;
  }

  /* Default: menu visible if JS is disabled (no .js-enabled class on body) */
  body:not(.js-enabled) .ctl-header__nav {
    display: block;
  }

  body.js-enabled .ctl-header__nav {
    display: none;
  }

  body.js-enabled .ctl-header__nav--open {
    display: block;
    animation: ctl-header-menu-in var(--transition-slow);
  }

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

  .ctl-header__action-link {
    display: none;
  }
}

@media (min-width: 769px) {
  .ctl-header__nav {
    display: block !important;
  }
}

@keyframes ctl-header-menu-in {
  from {
    opacity: 0;
    transform: scaleY(0.95);
  }
  to {
    opacity: 1;
    transform: scaleY(1);
  }
}