/* ============================================
   NEGARIN | نگارین - Responsive Design
   ============================================ */

/* --- Large Desktop (1400px+) --- */
@media (min-width: 1400px) {
  .container-negarin {
    padding-inline: var(--space-8);
  }
}

/* --- Desktop (1200-1399px) --- */
@media (max-width: 1399.98px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  }
}

/* --- Laptop (992-1199px) --- */
@media (max-width: 1199.98px) {
  :root {
    --text-4xl: 2.5rem;
    --text-3xl: 2rem;
  }

  .header-search {
    flex: 0 1 280px;
  }

  .header-nav {
    display: none;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--space-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .dashboard-sidebar {
    width: 240px;
  }

  .dashboard-main {
    margin-inline-start: 240px;
  }
}

/* --- Tablet (768-991px) --- */
@media (max-width: 991.98px) {
  :root {
    --text-4xl: 2rem;
    --text-3xl: 1.75rem;
    --text-2xl: 1.5rem;
    --header-height: 64px;
  }

  .section-padding {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
  }

  /* Header */
  .header-search {
    display: none;
  }

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

  .header-actions .header-action-btn.desktop-only {
    display: none;
  }

  /* Mobile Navigation Drawer */
  .mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
  }

  .mobile-nav-overlay.show {
    opacity: 1;
    visibility: visible;
  }

  .mobile-nav-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    inset-inline-start: 0;
    width: 300px;
    background: var(--bg-primary);
    z-index: var(--z-modal);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
  }

  [dir="rtl"] .mobile-nav-drawer {
    transform: translateX(100%);
  }

  .mobile-nav-drawer.show {
    transform: translateX(0);
    z-index:999;
  }

  .mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-4);
    border-bottom: 1px solid var(--border-light);
  }

  .mobile-nav-search {
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-light);
  }

  .mobile-nav-search input {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-size: var(--text-sm);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
  }

  .mobile-nav-links {
    padding: var(--space-4);
  }

  .mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.75rem 0.5rem;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--text-primary);
 text-decoration: none;
    border-radius: var(--radius-md);
    transition: background-color var(--transition-fast);
  }

  .mobile-nav-link:hover {
    background-color: var(--bg-tertiary);
  }

  .mobile-nav-link i { width: 24px; text-align: center; color: var(--text-tertiary); }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  /* Dashboard */
  .dashboard-sidebar {
    transform: translateX(-100%);
    z-index: var(--z-modal);
    top: 0;
  }

  [dir="rtl"] .dashboard-sidebar {
    transform: translateX(100%);
  }

  .dashboard-sidebar.show {
    transform: translateX(0);
  }

  .dashboard-main {
    margin-inline-start: 0;
    padding: var(--space-4);
  }

  .dashboard-mobile-toggle {
    display: flex !important;
  }

  /* Cards Grid */
  .artworks-grid-4 {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  .artworks-grid-5 {
    grid-template-columns: repeat(3, 1fr) !important;
  }

  /* Gallery 3-col to 2-col */
  .gallery-grid-3 {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* Pricing */
  .pricing-grid-3 {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .pricing-card:last-child {
    grid-column: 1 / -1;
    max-width: 400px;
    margin-inline: auto;
  }
}

/* --- Mobile Large (576-767px) --- */
@media (max-width: 767.98px) {
  :root {
    --text-4xl: 1.75rem;
    --text-3xl: 1.5rem;
    --text-2xl: 1.25rem;
    --text-xl: 1.125rem;
  }

  .section-padding {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .section-header {
    margin-bottom: var(--space-6);
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
  }

  .section-header h2 {
    font-size: var(--text-xl);
  }

  .container-negarin {
    padding-inline: var(--space-4);
  }

  /* Bottom Nav */
  .bottom-nav {
    display: block;
  }

  .page-content {
 padding-bottom: calc(var(--bottom-nav-height) + var(--space-4));
  }

  .back-to-top {
    bottom: calc(var(--bottom-nav-height) + var(--space-4));
  }

  /* Header */
  .header-inner {
    padding-inline: var(--space-4);
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  /* Cards Grid */
  .artworks-grid-3,
  .artworks-grid-4,
  .artworks-grid-5 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-3) !important;
  }

  .gallery-grid-3,
  .gallery-grid-4 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-3) !important;
  }

  .categories-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: var(--space-3) !important;
  }

  .artists-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-3) !important;
  }

  /* Hero */
  .hero-section .hero-title {
    font-size: var(--text-2xl) !important;
  }

  .hero-section .hero-subtitle {
    font-size: var(--text-sm) !important;
  }

  .hero-section .hero-actions {
    flex-direction: column;
  }

  .hero-section .hero-actions .btn-negarin {
    width: 100%;
  }

  /* Filter - Offcanvas */
  .filter-sidebar {
    display: none;
  }

  .mobile-filter-toggle {
    display: flex !important;
  }

  /* Quick View Image */
  .quick-view-main-image {
    aspect-ratio: 4/3;
  }

  /* Chat */
  .chat-list-panel {
    width: 100%;
    height: auto;
    max-height: 300px;
  }

  .chat-main {
    height: auto;
    min-height: calc(100vh - var(--header-height) - var(--bottom-nav-height));
  }

  /* Modal Full Width on Mobile */
  .modal-negarin .modal-dialog {
 margin: 0;
    max-width: 100%;
  }

  .modal-negarin .modal-content {
 border-radius: 0;
    min-height: 100vh;
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: var(--radius-xl);
  }

  /* Pricing */
  .pricing-grid-3 {
    grid-template-columns: 1fr !important;
  }

  .pricing-card:last-child {
    max-width: 100%;
  }

  /* Breadcrumb */
  .breadcrumb-negarin {
    font-size: var(--text-xs);
  }

  /* KPI */
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  /* User Dropdown to Page */
  .user-dropdown {
    display: none;
  }

  .user-dropdown.show {
    display: block;
  }

  .notification-dropdown.show {
    display: block;
  }

  /* Events Grid */
  .events-grid {
    grid-template-columns: 1fr !important;
  }

  /* Auction Timer */
  .auction-timer {
    padding: var(--space-1) var(--space-2);
  }

  .auction-timer-value {
    font-size: var(--text-base);
  }
  .mobile-voice-btn {left: 25px !important;}
}

/* --- Small Mobile (<576px) --- */
@media (max-width: 575.98px) {
  :root {
    --text-4xl: 1.5rem;
    --text-3xl: 1.25rem;
    --text-2xl: 1.125rem;
  }

  .container-negarin {
    padding-inline: var(--space-3);
  }

  .artworks-grid-3,
  .artworks-grid-4,
  .artworks-grid-5 {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: var(--space-2) !important;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr) !important;
  }

  .artwork-card-body {
    padding: var(--space-2) var(--space-3) var(--space-3);
  }

  .artwork-card-title { font-size: var(--text-xs); }
  .artwork-card-artist { font-size: 10px; }
  .artwork-card-price { font-size: var(--text-xs); }

  .artist-card-avatar { width: 56px; height: 56px; margin-top: -28px; }
  .artist-card-cover { height: 70px; }
  .artist-card-body { padding: var(--space-2) var(--space-3) var(--space-3); }

  /* Hero */
  .hero-section {
    min-height: 70vh !important;
  }

  /* Section Headers */
  .section-header h2 { font-size: var(--text-lg); }

  /* KPI */
  .kpi-card { padding: var(--space-4); }
  .kpi-value { font-size: var(--text-2xl); }

  /* Buttons */
  .btn-negarin { padding: 0.5rem 1.25rem; font-size: var(--text-xs); }
  .btn-negarin.btn-lg { padding: 0.75rem 1.5rem; font-size: var(--text-sm); }

  /* Sticky CTA Mobile */
  .sticky-cta-mobile {
    position: fixed;
    bottom: var(--bottom-nav-height);
    left: 0;
    right: 0;
    padding: var(--space-3) var(--space-4);
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-light);
    z-index: var(--z-sticky);
    display: flex;
    gap: var(--space-2);
  }

  .sticky-cta-mobile .btn-negarin {
    flex: 1;
  }
  .mobile-voice-btn {left: 25px !important;}
}

/* --- Utility: Show/Hide at Breakpoints --- */
.hide-mobile { display: block; }
.show-mobile { display: none; }
.hide-tablet { display: block; }
.show-tablet { display: none; }

@media (max-width: 767.98px) {
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }
}

@media (max-width: 991.98px) {
  .hide-tablet { display: none !important; }
  .show-tablet { display: block !important; }
}

/* --- Touch Optimization --- */
@media (hover: none) and (pointer: coarse) {
  .artwork-card-overlay {
    opacity: 1;
  }

  .artwork-card-action {
    transform: translateY(0);
  }

  .header-action-btn,
  .btn-icon {
    min-width: 38px;
    min-height: 38px;
  }

  .filter-tag {
    padding: 0.5rem 1rem;
  }

  .pagination-negarin .page-item {
    width: 40px;
    height: 40px;
  }
}

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

  html {
    scroll-behavior: auto;
  }
}

/* --- Print --- */
@media print {
  .header-negarin,
  .footer-negarin,
  .bottom-nav,
  .back-to-top,
  .sticky-cta-mobile,
  .no-print {
    display: none !important;
  }

  .page-content {
    padding-top: 0;
  }

  body {
    color: #000;
    background: #fff;
  }
}

/* --- Desktop: ensure bottom nav hidden --- */
@media (min-width: 768px) {
  .bottom-nav { display: none !important; }
  .sticky-cta-mobile { display: none !important; }
  .mobile-filter-toggle { display: none !important; }
}

/* --- Dashboard responsive helpers --- */
@media (max-width: 991.98px) {
  .dashboard-mobile-toggle {
    display: flex !important;
  }
}

@media (min-width: 992px) {
  .dashboard-mobile-toggle {
    display: none !important;
  }
}

/* --- Scrollable horizontal sections on mobile --- */
@media (max-width: 767.98px) {
  .scrollable-x {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    gap: var(--space-3);
    padding-bottom: var(--space-2);
    scrollbar-width: none;
  }

  .scrollable-x::-webkit-scrollbar { display: none; }

  .scrollable-x > * {
    scroll-snap-align: start;
    flex-shrink: 0;
  }
}