/* ========================================
   MOBILE-FIRST RESPONSIVE OVERRIDES
   For hajokereskedes.hu
   Author: Senior FE Engineer
   ======================================== */

/* BASE MOBILE STYLES (360px+) */
:root {
  --mobile-spacing: 1rem;
  --mobile-header-height: 3.5rem; /* 56px */
  --mobile-touch-target: 2.75rem; /* 44px minimum */
}

/* HIDE MOBILE-ONLY ELEMENTS BY DEFAULT (shown on mobile via media query) */
.mobile-header,
.mobile-nav,
.hamburger-btn {
  display: none;
}

/* RESET PROBLEMATIC DESKTOP CONSTRAINTS */
.ad-card {
  max-width: 100% !important; /* Remove 280px limit */
  margin: 0 !important;
  width: 100%;
}

.ad-title {
  white-space: normal !important; /* Allow multi-line titles */
  overflow: visible !important;
  text-overflow: clip !important;
  line-height: 1.4;
  max-height: 2.8em; /* ~2 lines */
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* MOBILE HEADER */
@media (max-width: 768px) {
  .header {
    position: sticky;
    top: 0;
    z-index: 10000 !important; /* Keep header above everything including mobile nav */
    background: var(--color-bg-primary, #fff);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }

  .navbar {
    height: var(--mobile-header-height);
    padding: 0 var(--mobile-spacing);
  }

  .nav-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  /* HIDE DESKTOP NAV */
  .nav-menu,
  .language-switch {
    display: none;
  }

  /* MOBILE BRAND + HAMBURGER */
  .mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

  .mobile-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary, #1a1a1a);
    text-decoration: none;
  }

  /* HAMBURGER BUTTON */
  .hamburger-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: var(--mobile-touch-target);
    height: var(--mobile-touch-target);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0.625rem;
    position: relative;
  }

  .hamburger-btn span {
    display: block;
    width: 1.5rem;
    height: 2px;
    background: var(--color-text-primary, #1a1a1a);
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
    transform-origin: center;
  }

  .hamburger-btn[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger-btn[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .hamburger-btn[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* MOBILE NAV DRAWER */
  .mobile-nav {
    display: block !important; /* Override the default display: none */
    position: fixed !important;
    top: var(--mobile-header-height) !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    background: var(--color-bg-primary, #fff) !important;
    transform: translateX(-100%) !important;
    transition: transform 0.3s ease !important;
    overflow-y: auto !important;
    padding: var(--mobile-spacing) !important;
    z-index: 9999 !important; /* Very high to ensure it's above all content */
    box-shadow: 2px 0 8px rgba(0,0,0,0.2) !important;
    pointer-events: none !important; /* Don't block clicks when closed */
  }

  .mobile-nav.open {
    transform: translateX(0) !important;
    pointer-events: auto !important; /* Enable clicks when open */
  }

  .mobile-nav-links {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    position: relative !important;
    z-index: 1 !important;
  }

  .mobile-nav-links li {
    border-bottom: 1px solid var(--color-border-primary, #e5e5e5);
    position: relative !important;
    z-index: 1 !important;
  }

  .mobile-nav-links a {
    display: block !important;
    padding: 1rem 0;
    font-size: 1.125rem;
    color: var(--color-text-primary, #1a1a1a) !important;
    text-decoration: none;
    transition: color 0.2s;
    position: relative !important;
    z-index: 1 !important;
  }

  .mobile-nav-links a:hover,
  .mobile-nav-links a.active {
    color: var(--color-accent-primary, #0066cc);
  }

  /* MOBILE AUTH SECTION */
  .mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .mobile-auth .btn {
    width: 100%;
    min-height: var(--mobile-touch-target);
    justify-content: center;
  }

  /* LANGUAGE SWITCHER IN DRAWER */
  .mobile-language {
    display: flex;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border-primary, #e5e5e5);
  }

  .mobile-language .lang-btn {
    min-width: var(--mobile-touch-target);
    min-height: var(--mobile-touch-target);
  }
}

/* MOBILE FILTERS */
@media (max-width: 768px) {
  .filters {
    padding: var(--mobile-spacing);
    background: var(--color-bg-secondary, #f9f9f9);
    border-radius: 0.75rem;
    margin-bottom: var(--mobile-spacing);
  }

  .filter-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem; /* Reduced from 0.75rem to 0.5rem (8px) */
  }

  .form-group {
    margin-bottom: 0;
  }

  .form-select,
  .form-input {
    width: 100%;
    min-height: var(--mobile-touch-target);
    font-size: 1rem; /* Prevent iOS zoom on focus */
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
  }

  /* COLLAPSIBLE ADVANCED FILTERS */
  .advanced-filters {
    max-height: 0 !important;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
    padding: 0;
  }

  .advanced-filters.show {
    max-height: 100vh !important; /* Remove 500px limit */
    padding-top: 1rem;
  }

  .advanced-search-toggle {
    text-align: center;
    margin: 1rem 0;
  }

  .advanced-search-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    min-height: var(--mobile-touch-target);
    padding: 0.5rem 1rem;
  }

  .filter-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1rem;
  }

  .filter-actions .btn {
    width: 100%;
    min-height: var(--mobile-touch-target);
  }
}

/* MOBILE AD GRID */
@media (max-width: 768px) {
  .ads-grid {
    grid-template-columns: 1fr !important;
    gap: var(--mobile-spacing);
    padding: 0 var(--mobile-spacing);
  }

  .ad-card {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }

  .ad-image {
    height: 200px; /* Larger on mobile */
    object-fit: cover;
  }

  .ad-content {
    padding: 1rem;
  }

  .ad-title {
    font-size: 1.125rem; /* 18px */
  }

  .ad-price {
    font-size: 1.25rem; /* 20px */
  }
}

/* MOBILE MODALS - ACCESSIBLE */
@media (max-width: 768px) {
  .modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: flex-end; /* Bottom sheet on mobile */
    justify-content: center;
    z-index: 10001 !important; /* Above mobile nav (9999) and header (10000) */
    padding: 0;
    transition: opacity 0.3s ease;
  }

  .modal-content {
    width: 100%;
    max-width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-bg-primary, #fff);
    border-radius: 1rem 1rem 0 0; /* Bottom sheet style */
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2);
    transform: translateY(100%);
    transition: transform 0.3s ease;
  }

  .modal[data-state="open"] .modal-content {
    transform: translateY(0);
  }

  .modal-header {
    position: sticky;
    top: 0;
    background: var(--color-bg-primary, #fff);
    padding: 1rem;
    border-bottom: 1px solid var(--color-border-primary, #e5e5e5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
  }

  .modal-close {
    min-width: var(--mobile-touch-target);
    min-height: var(--mobile-touch-target);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
  }

  .modal form {
    padding: 1rem;
  }

  .modal .form-group {
    margin-bottom: 1rem;
  }

  .modal .form-input {
    min-height: var(--mobile-touch-target);
    font-size: 1rem; /* Prevent iOS zoom */
  }
}

/* PAGINATION ON MOBILE */
@media (max-width: 768px) {
  .pagination {
    flex-wrap: wrap;
    padding: 0 var(--mobile-spacing);
    gap: 0.5rem;
  }

  .page-btn {
    min-width: var(--mobile-touch-target);
    min-height: var(--mobile-touch-target);
    padding: 0.5rem 1rem;
    font-size: 1rem;
  }
}

/* HERO SECTION MOBILE */
@media (max-width: 768px) {
  .hero {
    padding: 1rem var(--mobile-spacing); /* Reduced from 2rem to 1rem (16px) for more compact mobile view */
    text-align: center;
  }

  .hero h1 {
    font-size: 1.75rem; /* 28px */
    line-height: 1.3;
    margin-bottom: 0.75rem;
  }

  .hero p {
    font-size: 1rem;
    line-height: 1.5;
  }
}

/* FOOTER MOBILE */
@media (max-width: 768px) {
  .footer {
    padding: 1.5rem var(--mobile-spacing) !important;
    text-align: center;
  }

  .footer p {
    font-size: 0.875rem;
  }
}

/* LAZY LOAD IMAGES */
img[data-src] {
  opacity: 0;
  transition: opacity 0.3s ease;
}

img[data-src].loaded {
  opacity: 1;
}

/* TABLET (768px - 1024px) */
@media (min-width: 768px) and (max-width: 1024px) {
  .ads-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 1rem;
  }

  .ad-card {
    max-width: 100% !important;
  }

  .filter-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

/* FOCUS VISIBLE - KEYBOARD NAVIGATION */
*:focus-visible {
  outline: 2px solid var(--color-accent-primary, #0066cc);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent-primary, #0066cc);
  outline-offset: 2px;
}

/* SKIP TO CONTENT LINK (ACCESSIBILITY) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent-primary, #0066cc);
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  z-index: 1001;
  transition: top 0.2s;
}

.skip-link:focus {
  top: 0;
}