/**
 * ToolNexx Responsive Styles & Accessibility
 * Mobile navigation drawer, responsive grids, touch controls, and reduced motion
 */

/* ==========================================================================
   Mobile Navigation Drawer
   ========================================================================== */
.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  visibility: visible;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 360px;
  background-color: var(--bg-surface-elevated);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-xl);
  z-index: 1600;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  overflow-y: auto;
}

.mobile-drawer-backdrop.open .mobile-drawer {
  transform: translateX(0);
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.mobile-drawer-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.mobile-drawer-close:hover {
  background-color: var(--bg-subtle);
  color: var(--text-main);
}

.mobile-drawer-nav {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1 0 auto;
}

.mobile-category-group {
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.mobile-category-title {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.5rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.mobile-category-title svg {
  transition: transform var(--transition-fast);
}

.mobile-category-group.open .mobile-category-title svg {
  transform: rotate(180deg);
  color: var(--primary);
}

.mobile-category-items {
  display: none;
  padding-left: 0.5rem;
  margin-top: 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-category-group:not(.open) .mobile-category-items {
  display: none;
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-md);
  text-decoration: none;
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  color: var(--primary);
  background-color: var(--bg-subtle);
}

.mobile-drawer-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1380px) {
  .search-trigger-btn .search-badge {
    display: none;
  }

  .nav-link {
    padding: 0.4rem 0.42rem;
    font-size: 0.81rem;
  }
}

@media (max-width: 1220px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 62px;
  }

  .section {
    padding: 3rem 0;
  }

  .hero-section {
    padding: 3.5rem 0 2.5rem 0;
  }

  .hero-title {
    font-size: 2.25rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .tool-title {
    font-size: 1.85rem;
  }

  .tool-workspace {
    padding: 1.25rem;
  }

  .drop-zone {
    padding: 2rem 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .search-trigger-btn .search-badge {
    display: none;
  }

  .search-trigger-btn span {
    display: none;
  }

  .search-trigger-btn {
    width: 38px;
    height: 38px;
    padding: 0;
    justify-content: center;
  }

  .header-actions {
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.85rem;
  }

  .hero-cta-group {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .tool-grid {
    grid-template-columns: 1fr;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Accessibility & Reduced Motion
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}