/* ============================================
   Overlap and Layout Fixes
   Fixes overlapping content, hamburger menu, and spacing issues
   ============================================ */

/* ============================================
   Z-Index Management - Proper Layering
   ============================================ */

/* Base content layer */
.page-hero,
.tab-content,
.dashboard-grid,
.marketplace-layout,
.community-tabs,
main {
  position: relative;
  z-index: 1;
}

/* Navigation layer */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 1100 !important;
  background: var(--color-bg);
  width: 100%;
}

/* Mobile menu should be above navigation */
.nav-links {
  z-index: 1150;
}

/* Modals and overlays */
.modal-backdrop {
  z-index: 1300 !important;
}

.modal {
  z-index: 1400 !important;
}

/* Loading and error states */
.loading-overlay,
.error-overlay {
  z-index: 10000 !important;
}

/* ============================================
   Hamburger Menu Fixes
   ============================================ */

/* Ensure mobile menu toggle is visible and clickable */
.mobile-menu-toggle {
  display: none;
  position: relative;
  z-index: 1200;
  padding: 8px;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
}

/* Hamburger icon */
.hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: background 0.3s ease;
  display: block;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: transform 0.3s ease;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  top: 8px;
}

/* Active state animation */
.mobile-menu-toggle[aria-expanded="true"] .hamburger {
  background: transparent;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::before {
  transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger::after {
  transform: rotate(-45deg) translate(6px, -7px);
}

/* Mobile navigation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: 1rem;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    z-index: 1150;
  }

  .nav-links.active {
    max-height: calc(100vh - 60px);
    opacity: 1;
    padding: 2rem 1rem;
    overflow-y: auto;
  }

  .nav-link {
    padding: 1rem;
    width: 100%;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-link:last-child {
    border-bottom: none;
  }
}

/* ============================================
   Card and Box Spacing Fixes
   ============================================ */

/* Ensure cards don't overlap */
.card,
.stat-card,
.diagnostic-tool-card,
.feature-card,
.listing-card {
  position: relative;
  z-index: 1;
  margin-bottom: 1.5rem;
}

/* Fix card hover states to not overlap other cards */
.card:hover,
.stat-card:hover,
.diagnostic-tool-card:hover,
.feature-card:hover,
.listing-card:hover {
  z-index: 2;
  /* Removed transform to prevent card movement */
}

/* Grid layouts should have proper gaps */
.dashboard-grid,
.diagnostics-cards,
.quick-stats,
.features-grid,
.marketplace-grid {
  display: grid;
  gap: 1.5rem;
  width: 100%;
  max-width: 100%;
}

/* Prevent grid items from overlapping */
.dashboard-grid > *,
.diagnostics-cards > *,
.quick-stats > *,
.features-grid > *,
.marketplace-grid > * {
  min-width: 0;
  min-height: 0;
}

/* ============================================
   Text Overlap Fixes
   ============================================ */

/* Ensure text doesn't overflow containers */
h1,
h2,
h3,
h4,
h5,
h6,
p,
span,
a,
button {
  word-wrap: break-word;
  overflow-wrap: break-word;
  hyphens: auto;
}

/* Fix long text in buttons */
button,
.btn {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Fix text in cards */
.card-title,
.tool-card-title,
.stat-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-description,
.tool-card-description {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

/* ============================================
   Container Width Fixes
   ============================================ */

/* Prevent containers from exceeding viewport */
.container,
.page-hero,
.diagnostics-hero-v2,
.marketplace-hero {
  max-width: 100%;
  overflow-x: hidden;
}

/* Fix sidebar overlapping main content */
.marketplace-layout,
.parts-layout,
.community-layout {
  display: grid;
  gap: 2rem;
  width: 100%;
  max-width: 100%;
}

@media (min-width: 769px) {
  .marketplace-layout {
    grid-template-columns: 250px 1fr;
  }
}

@media (max-width: 768px) {
  .marketplace-layout {
    grid-template-columns: 1fr;
  }

  .marketplace-sidebar {
    order: 2;
  }

  .marketplace-content {
    order: 1;
  }
}

/* ============================================
   Modal Fixes
   ============================================ */

/* Ensure modals don't have overlap issues */
.modal {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transform: none !important;
  max-width: none !important;
  max-height: none !important;
  overflow-y: auto !important;
  z-index: 9999 !important;
  padding: 1rem;
}

.modal-backdrop,
.modal-overlay {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  width: 100% !important;
  height: 100% !important;
  z-index: -1 !important;
  background: rgba(0, 0, 0, 0.6) !important;
  pointer-events: none !important;
}

/* ============================================
   Tab Content Fixes
   ============================================ */

/* Ensure tab contents don't overlap */
.tab-content {
  position: relative;
  z-index: 1;
  min-height: 400px;
}

.tab-content.active {
  display: block;
}

.tab-content:not(.active) {
  display: none;
}

/* ============================================
   AI Chat Component Fixes
   ============================================ */

/* Prevent AI chat from overlapping other content */
.ai-chat-wrapper,
.ai-search-container,
#dashboard-ai-chat,
#homepage-ai-chat,
#marketplace-ai-chat,
#parts-ai-chat,
#community-ai-chat {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.ai-chat-messages {
  position: relative;
  z-index: 1;
}

/* ============================================
   Responsive Spacing
   ============================================ */

/* Add proper spacing between sections */
section {
  padding: 3rem 0;
  position: relative;
  z-index: 1;
}

section + section {
  margin-top: 0;
}

/* Mobile spacing adjustments */
@media (max-width: 768px) {
  section {
    padding: 2rem 0;
  }

  .container {
    padding: 0 1rem;
  }

  /* Reduce gaps on mobile */
  .dashboard-grid,
  .diagnostics-cards,
  .quick-stats,
  .features-grid,
  .marketplace-grid {
    gap: 1rem;
  }
}

/* ============================================
   Dropdown Fixes
   ============================================ */

/* Ensure dropdowns appear above other content */
.dropdown-menu,
.select-menu,
.context-menu {
  position: absolute;
  z-index: 1000;
  background: var(--color-bg-elevated);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

/* ============================================
   Sticky Elements
   ============================================ */

/* Ensure sticky elements don't overlap incorrectly */
.sticky-header,
.sticky-sidebar {
  position: sticky;
  top: 80px; /* Below navigation */
  z-index: 10;
}

/* ============================================
   Footer Fixes
   ============================================ */

/* Ensure footer doesn't overlap content */
footer {
  position: relative;
  z-index: 1;
  margin-top: 4rem;
  clear: both;
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
  .main-nav,
  .mobile-menu-toggle,
  .hamburger {
    display: none !important;
  }

  .nav-links {
    display: none !important;
  }
}

/* ============================================
   Accessibility Fixes
   ============================================ */

/* Ensure focus states are visible above other content */
*:focus-visible {
  position: relative;
  z-index: 2;
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-to-content {
  position: fixed;
  top: -100px;
  left: 0;
  z-index: 9999;
  padding: 1rem;
  background: var(--color-primary);
  color: white;
  transition: top 0.3s ease;
}

.skip-to-content:focus {
  top: 0;
}