/* ==========================================================================
   DREAM OF STROKES — ARTWORK GALLERY DESIGN SYSTEM (ARTMO ARCHITECTURE)
   Luxury Dark Aesthetic | Museum Passe-Partout Framing | Strict Monochrome + Gold Feature Tag
   ========================================================================== */

/* Design Tokens */
:root {
  --artmo-bg: #090a0d;
  --artmo-card-bg: rgba(15, 17, 23, 0.92);
  --artmo-surface: #12141a;
  --artmo-border-subtle: rgba(255, 255, 255, 0.08);
  --artmo-border-medium: rgba(255, 255, 255, 0.16);
  --artmo-border-hover: rgba(255, 255, 255, 0.32);
  
  /* Strictly White / Monochrome Palette */
  --artmo-text-primary: #ffffff;
  --artmo-text-secondary: #a0a6b5;
  --artmo-text-muted: #64748b;
  
  /* THE ONLY PERMITTED GOLD ACCENT: Dedicated to .badge-featured */
  --artmo-badge-gold-bg: linear-gradient(135deg, #e4c27a 0%, #c9a96e 50%, #af8f50 100%);
  --artmo-badge-gold-text: #0b0c10;
  --artmo-badge-gold-shadow: 0 2px 10px rgba(201, 169, 110, 0.35);

  /* Museum Passe-Partout Matting */
  --matting-bg: #fbfbfb;
  --matting-border: #d4d4d8;
  --matting-inner-shadow: inset 0 0 12px rgba(0, 0, 0, 0.07);

  /* Fonts */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Page Global Reset & Baseline */
body {
  background-color: var(--artmo-bg);
  background-image: 
    radial-gradient(circle at 50% 10%, rgba(35, 42, 56, 0.28) 0%, rgba(13, 13, 16, 0.98) 60%, #090a0d 100%),
    radial-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 100% 100%, 28px 28px;
  color: var(--artmo-text-primary);
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
  overflow-x: clip;
  min-height: 100vh;
}

/* Main Container (Full width so left filter sidebar docks neatly to the left) */
.artmo-main-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 16px 24px 80px 16px;
  box-sizing: border-box;
}

/* ==========================================================================
   1. GALLERY HEADER (White Luxury Aesthetic)
   ========================================================================== */
.artmo-gallery-header {
  text-align: center;
  padding: 24px 20px 28px;
  margin-bottom: 24px;
}

.artmo-heading {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: #ffffff;
  margin: 0 0 10px 0;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.artmo-subheading {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 300;
  color: var(--artmo-text-secondary);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto;
}

/* ==========================================================================
   2. TOP VISUAL CATEGORY STRIP (FEATURED MUSEUM FRAME CAROUSEL STYLE)
   ========================================================================== */
.artmo-category-strip,
.featured-category-carousel {
  width: 100%;
  margin-bottom: 30px;
  position: relative;
  overflow: visible;
}

.artmo-strip-track,
.artmo-category-strip .luxury-carousel-track {
  display: flex;
  gap: 20px;
  align-items: flex-end; /* All painting images down level aligns on the exact same baseline */
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: none;
  padding: 10px 4px 18px;
  -webkit-overflow-scrolling: touch;
  -ms-overflow-style: none !important;
  scrollbar-width: none !important;
}

.artmo-strip-track::-webkit-scrollbar,
.artmo-category-strip .luxury-carousel-track::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}

/* Category Card Design - Museum Frame Passe-partout Matting (Pure 1:1 Square & Zero Radius) */
.artmo-strip-card,
.artmo-strip-card.artmo-style-card {
  flex: 0 0 240px;
  min-width: 240px;
  max-width: 240px;
  background: rgba(14, 15, 20, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0 !important;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end; /* Ensures image bottom and card meta are aligned */
  position: relative;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s ease, box-shadow 0.35s ease;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.65);
  cursor: pointer;
  text-align: center;
  outline: none;
  padding: 0;
  user-select: none;
  box-sizing: border-box;
}

.artmo-strip-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-5px);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.85);
}

/* Outer Dark Bezel on Category Card */
.artmo-strip-card .frame-outer-bezel,
.artmo-strip-card .strip-frame-bezel {
  position: relative;
  width: 100%;
  background: #0d0e12;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: none;
  border-radius: 0 !important;
  box-sizing: border-box;
  padding: 0;
  display: block;
}

/* Inner Visual Area - Pure 1:1 Square Ratio with Zero Radius */
.artmo-strip-card .frame-inner-matting,
.artmo-strip-card .strip-frame-matting {
  padding: 0;
  background: #0d0e12;
  position: relative;
  box-sizing: border-box;
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1 !important;
  height: auto !important;
  border: none;
  border-radius: 0 !important;
  box-shadow: none;
  overflow: hidden;
}

/* Category Artwork Image (Fills visual area in true 1:1 square ratio with zero radius) */
.artmo-strip-card .frame-artwork-img,
.artmo-strip-card .strip-artwork-img {
  width: 100% !important;
  height: 100% !important;
  max-width: 100% !important;
  max-height: 100% !important;
  display: block !important;
  object-fit: cover !important;
  aspect-ratio: 1 / 1 !important;
  box-shadow: none;
  border-radius: 0 !important;
  transition: transform 0.45s ease;
  margin: 0 auto;
}

.artmo-strip-card:hover .frame-artwork-img,
.artmo-strip-card:hover .strip-artwork-img {
  transform: scale(1.05);
}

/* Badges inside Museum Frame Matting */
.artmo-strip-card .badge-medium {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(13, 14, 18, 0.92);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  padding: 3px 7px;
  text-transform: uppercase;
  border-radius: 0 !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  z-index: 3;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  transition: all 0.25s ease;
}

/* Card Meta (Title & Category Subtext) */
.artmo-strip-card .card-meta {
  padding: 14px 12px 16px;
  background: rgba(13, 15, 20, 0.96);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 72px;
  box-sizing: border-box;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 0 !important;
  width: 100%;
  flex-shrink: 0;
}

.artmo-strip-card .card-meta-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 3px;
  line-height: 1.25;
}

.artmo-strip-card .card-meta-artist {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: #94a3b8;
  margin: 0;
  font-weight: 400;
}

/* Active Category Selection State */
.artmo-strip-card.active {
  border-color: rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 22px rgba(255, 255, 255, 0.2);
  transform: translateY(-4px);
  border-radius: 0 !important;
}

.artmo-strip-card.active .badge-medium {
  background: rgba(13, 14, 18, 0.95);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.6);
  border-radius: 0 !important;
}

.artmo-strip-card.active .card-meta-title {
  color: #ffffff;
}

/* Bottom Navigation Controls & Interactive Progress Bar */
.artmo-bottom-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  max-width: 480px;
  margin: 12px auto 26px;
  padding: 0 16px;
}

.artmo-nav-arrow {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(18, 20, 26, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #ffffff;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.22s ease;
  flex-shrink: 0;
}

.artmo-nav-arrow:hover {
  border-color: #ffffff;
  background: #ffffff;
  color: #0c0c0e;
  transform: scale(1.08);
  box-shadow: 0 4px 16px rgba(255, 255, 255, 0.25);
}

.artmo-nav-arrow:active {
  transform: scale(0.96);
}

.artmo-progress-container {
  flex: 1;
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: 12px 0;
}

.artmo-progress-track {
  width: 100%;
  height: 3px;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  position: relative;
}

.artmo-progress-pill {
  position: absolute;
  top: -2px;
  left: 0;
  width: 60px;
  height: 7px;
  background: #ffffff;
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.6);
  transition: transform 0.08s linear;
  will-change: transform;
}

/* ==========================================================================
   3. TWO-COLUMN SPLIT LAYOUT (SIDEBAR + MAIN STREAM)
   ========================================================================== */
.artmo-split-layout {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  position: relative;
  width: 100%;
}

/* --------------------------------------------------------------------------
   LEFT FILTER SIDEBAR (ARTMO LUXURY ARCHITECTURAL STYLE)
   -------------------------------------------------------------------------- */
.artmo-filter-sidebar {
  flex: 0 0 260px;
  width: 260px;
  position: relative; /* Stays stationary in place at the top, does not float or move while scrolling */
  align-self: flex-start;
  z-index: 10;
}

.sidebar-sticky-wrap {
  background: rgba(11, 13, 17, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  padding: 16px 14px 20px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.55);
}

/* Mobile Drawer Header (Hidden on Desktop) */
.sidebar-drawer-header {
  display: none;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-drawer-header h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #ffffff;
  margin: 0;
}

.sidebar-close-btn {
  background: rgba(255, 255, 255, 0.08);
  border: none;
  color: #ffffff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.2s ease;
}

.sidebar-close-btn:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* 1. Availability Switcher Row (Sleek Architectural Segmented Toggle) */
.sidebar-widget.sidebar-availability-widget {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  padding: 12px 0 14px;
  margin-bottom: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
  box-sizing: border-box;
}

.sidebar-availability-widget .sidebar-widget-title {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  color: #94a3b8;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin: 0;
  display: block;
}

.sidebar-pill-toggle {
  display: flex;
  align-items: center;
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  padding: 3px;
  gap: 3px;
  box-sizing: border-box;
}

.toggle-pill {
  flex: 1;
  text-align: center;
  background: transparent;
  border: none;
  color: #a4a4b2;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 6px 3px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.2s ease;
  letter-spacing: 0.3px;
  white-space: nowrap;
  box-sizing: border-box;
}

.toggle-pill:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.toggle-pill.active {
  background: #ffffff;
  color: #0b0c10;
  font-weight: 700;
  border-radius: 3px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}

/* 2. Search Box with Icon on the Far Right (Exact ARTMO Spec) */
.sidebar-widget.sidebar-search-widget {
  padding-bottom: 14px;
  margin-bottom: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-search-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.sidebar-search-box input[type="search"] {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 2px;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.86rem;
  padding: 10px 38px 10px 12px; /* Right padding preserves room for magnifying glass */
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.sidebar-search-box input[type="search"]::placeholder {
  color: #8e95a5;
  font-weight: 400;
}

.sidebar-search-box input[type="search"]:focus {
  border-color: rgba(255, 255, 255, 0.38);
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.08);
}

/* Magnifying Glass positioned on the FAR RIGHT */
.search-box-icon {
  position: absolute;
  right: 12px;
  left: auto;
  color: #cbd5e1;
  font-size: 0.95rem;
  pointer-events: none;
}

.search-clear-btn {
  position: absolute;
  right: 32px;
  left: auto;
  background: none;
  border: none;
  color: #8e95a5;
  font-size: 0.8rem;
  cursor: pointer;
  padding: 4px;
}

.search-clear-btn:hover {
  color: #ffffff;
}

/* 3. Divider-Line Accordions (Slender & Minimalist) */
.sidebar-accordion {
  border-top: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0;
}

.accordion-toggle {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 400; /* Slender and clean like reference image */
  letter-spacing: 0.2px;
  cursor: pointer;
  padding: 13px 0;
  text-align: left;
  transition: color 0.2s ease;
}

.accordion-toggle:hover {
  color: #ffffff;
}

.accordion-arrow {
  color: #ffffff;
  font-size: 0.78rem;
  transition: transform 0.25s ease;
}

.sidebar-accordion.is-open .accordion-arrow {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 2px 0 12px;
}

.sidebar-accordion.is-open .accordion-content {
  display: block;
}

/* 4. Filter Lists: Minimalist Text Links */
.sidebar-filter-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sidebar-filter-btn {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: #9ea3b0;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  padding: 7px 6px;
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.18s ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-filter-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
  padding-left: 9px;
}

/* Only the actually active button has highlight & checkmark */
.sidebar-filter-btn.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 600;
  padding-left: 9px;
}

.sidebar-filter-btn.active::after {
  content: '✓';
  font-size: 0.8rem;
  color: #ffffff;
  font-weight: bold;
}

/* 5. Reset All Filters Action */
.sidebar-reset-box {
  margin-top: 14px;
  padding-top: 10px;
}

.sidebar-reset-action {
  width: 100%;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 2px;
  color: #a4a4b2;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  padding: 8px 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.sidebar-reset-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.3);
}

/* --------------------------------------------------------------------------
   RIGHT MAIN SHOWCASE STREAM
   -------------------------------------------------------------------------- */
.artmo-showcase-stream {
  flex: 1;
  min-width: 0; /* Prevents flex blowout */
}

/* Stream Top Controls Bar */
.artmo-stream-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--artmo-border-subtle);
  flex-wrap: wrap;
  gap: 12px;
}

.stream-controls-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.mobile-filter-open-btn {
  display: none; /* Desktop default */
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--artmo-border-subtle);
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 20px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
}

.mobile-filter-open-btn:hover {
  background: rgba(255, 255, 255, 0.16);
}

.artmo-active-tag-wrap {
  display: flex;
  align-items: center;
}

/* Active Tag Badge (Like ARTMO 🏷 TYPE: Physical) */
.artmo-active-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--artmo-border-medium);
  color: #ffffff;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.4px;
}

.artmo-active-tag i {
  font-size: 0.72rem;
  color: var(--artmo-text-secondary);
}

/* Sort Dropdown (Like ARTMO Latest ⌵) */
.stream-controls-right {
  display: flex;
  align-items: center;
}

.artmo-sort-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.artmo-sort-label {
  font-size: 0.82rem;
  color: var(--artmo-text-secondary);
  font-weight: 500;
}

.artmo-sort-select {
  background: var(--artmo-surface);
  border: 1px solid var(--artmo-border-medium);
  color: #ffffff;
  font-family: var(--font-sans);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.82rem;
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.artmo-sort-select:focus {
  border-color: rgba(255, 255, 255, 0.4);
}

.artmo-sort-select option {
  background: #14161f;
  color: #ffffff;
}

/* ==========================================================================
   4. MASONRY ARTWORK WALL (4 COLUMNS DESKTOP)
   ========================================================================== */
.art-grid {
  column-count: 4 !important;
  column-gap: 16px;
  width: 100%;
  display: block;
}

/* Individual Frame Card in the Wall */
.sold-card.sold-frame-card,
.art-card.sold-frame-card {
  break-inside: avoid;
  margin-bottom: 22px;
  display: inline-block;
  width: 100%;
  position: relative;
  background: rgba(14, 15, 20, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.35s ease, box-shadow 0.35s ease;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.65);
  box-sizing: border-box;
  cursor: pointer;
  text-align: left;
}

.sold-card.sold-frame-card:hover,
.art-card.sold-frame-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.85);
}

.sold-card.sold-frame-card a,
.art-card.sold-frame-card a {
  text-decoration: none;
  color: inherit;
  display: block;
  width: 100%;
  height: auto;
}

/* Outer Dark Bezel */
.sold-frame-card .frame-outer-bezel {
  position: relative;
  width: 100%;
  background: #0d0e12;
  border: 4px solid #1a1c24;
  border-bottom: none;
  box-sizing: border-box;
  padding: 2px;
}

/* Inner Matting (Authentic Museum Passe-Partout) */
.sold-frame-card .frame-inner-matting {
  padding: 12px;
  background: #fbfbfb;
  position: relative;
  box-sizing: border-box;
  display: block;
  border: 1px solid rgba(0, 0, 0, 0.15);
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.12);
  min-height: unset !important;
  height: auto !important;
  overflow: visible !important;
}

/* 100% Full Original Aspect Ratio - NO CROPPING, NO CUTTING, NO FORCED HEIGHT */
.sold-frame-card .frame-artwork-img,
.sold-frame-card img {
  width: 100% !important;
  height: auto !important;
  max-width: 100% !important;
  max-height: none !important;
  display: block !important;
  object-fit: contain !important;
  aspect-ratio: auto !important;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.28);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 2px;
}

.sold-frame-card:hover .frame-artwork-img {
  transform: scale(1.02);
}

/* Category Label Removed Per User Request */
.sold-frame-card .badge-medium {
  display: none !important;
}

.sold-frame-card .badge-available {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(16, 185, 129, 0.16);
  border: 1px solid rgba(16, 185, 129, 0.45);
  color: #10b981;
  font-family: var(--font-sans);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  z-index: 2;
}

.sold-frame-card .badge-sold {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(185, 28, 28, 0.92);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.4);
  padding: 3px 9px;
  border-radius: 3px;
  font-family: var(--font-sans);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  transform: rotate(2deg);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  z-index: 2;
}

/* STRICT USER CONSTRAINT: THE SOLE ELEMENT ALLOWED TO HAVE GOLD */
.sold-frame-card .badge-featured {
  position: absolute;
  top: 10px;
  right: 10px;
  background: linear-gradient(135deg, #e4c27a 0%, #c9a96e 50%, #af8f50 100%);
  color: #0b0c10;
  font-family: var(--font-sans);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  padding: 3px 9px;
  border-radius: 4px;
  text-transform: uppercase;
  z-index: 2;
  box-shadow: 0 2px 10px rgba(201, 169, 110, 0.35);
}

/* Card Metadata Bar */
.sold-frame-card .card-info.frame-card-info {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  background: #0e1016;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  box-sizing: border-box;
  text-align: left;
}

.sold-frame-card .card-title {
  font-family: var(--font-serif);
  font-size: 0.94rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0;
  white-space: normal;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.32;
  letter-spacing: -0.01em;
  word-break: break-word;
}

/* Vendor name and Year fully shown across full width */
.sold-frame-card .card-artist {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: #cbd5e1;
  margin: 2px 0 0 0;
  font-weight: 400;
  white-space: normal !important; /* Full vendor name and year never cut off */
  word-break: break-word;
  line-height: 1.35;
  width: 100%;
  display: block;
}

.sold-frame-card .card-artist-name {
  color: #cbd5e1;
  font-weight: 400;
}

.founder-crown {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 5px;
  color: #60a5fa;
  font-size: 0.82em;
  vertical-align: 0.05em;
  filter: drop-shadow(0 0 5px rgba(96, 165, 250, 0.6));
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), filter 0.25s ease;
  line-height: 1;
  cursor: pointer;
  pointer-events: auto;
}

.founder-crown i {
  display: inline-block;
  line-height: 1;
}

.founder-crown:hover {
  transform: scale(1.28) translateY(-1px);
  filter: drop-shadow(0 0 10px rgba(96, 165, 250, 0.95));
}

.sold-frame-card .card-year {
  color: #94a3b8;
  font-weight: 400;
}

.sold-frame-card .card-meta-bottom {
  margin-top: 5px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 8px;
}

/* User requirement: Price should be a little thin, also the Price on Request one too */
.sold-frame-card .card-price {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 400 !important;
  color: #ffffff;
  letter-spacing: 0.02em;
  margin: 0;
  white-space: nowrap;
}

.sold-frame-card .card-price.is-request {
  font-style: italic;
  font-size: 0.82rem;
  font-weight: 400 !important;
  color: #cbd5e1;
  letter-spacing: 0.02em;
}

/* ==========================================================================
   5. LOADERS & EMPTY STATES (Monochrome)
   ========================================================================== */
/* ==========================================================================
   5. LUXURY SKELETON LOADING STYLE (Obsidian Dark Shimmer)
   ========================================================================== */
.gallery-skeleton-card {
  break-inside: avoid;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 6px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.skeleton-shimmer {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.06) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  animation: skeletonShimmer 1.6s infinite ease-in-out;
  pointer-events: none;
  z-index: 2;
}

@keyframes skeletonShimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.skeleton-frame {
  width: 100%;
  aspect-ratio: 4 / 5;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 4px;
  position: relative;
  overflow: hidden;
  margin-bottom: 12px;
}

.skeleton-meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 4px 2px 2px;
}

.skeleton-line {
  height: 12px;
  background: rgba(255, 255, 255, 0.045);
  border-radius: 3px;
  position: relative;
  overflow: hidden;
}

.skeleton-title {
  width: 75%;
  height: 14px;
}

.skeleton-artist {
  width: 50%;
  height: 11px;
}

.skeleton-price {
  width: 35%;
  height: 13px;
  margin-top: 4px;
}

/* Empty State */
.gallery-empty-state {
  column-span: all;
  width: 100%;
  text-align: center;
  padding: 60px 24px;
  background: var(--artmo-surface);
  border: 1px dashed var(--artmo-border-subtle);
  border-radius: 16px;
  margin-bottom: 30px;
}

.empty-icon {
  font-size: 2.6rem;
  color: var(--artmo-text-muted);
  margin-bottom: 14px;
}

.gallery-empty-state h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: #ffffff;
  margin: 0 0 8px 0;
}

.gallery-empty-state p {
  color: var(--artmo-text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
  max-width: 480px;
  margin: 0 auto 20px;
}

.btn-luxury-reset {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  color: #090a0d;
  border: none;
  padding: 10px 22px;
  border-radius: 20px;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-luxury-reset:hover {
  background: #e2e8f0;
  transform: translateY(-2px);
}

/* ==========================================================================
   5.5 GALLERY PAGINATION (MAX 32 DESKTOP, MAX 24 MOBILE)
   ========================================================================== */
.gallery-pagination-wrapper {
  width: 100%;
  margin-top: 36px;
  margin-bottom: 24px;
}

.artmo-pagination-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 20px;
  background: rgba(14, 16, 22, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.pagination-info {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  color: #94a3b8;
  letter-spacing: 0.3px;
}

.pagination-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.pagination-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pagination-nav-btn:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.3);
}

.pagination-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination-numbers {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-num {
  min-width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #a4a4b2;
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0 8px;
}

.pagination-num:hover:not(.active) {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
}

.pagination-num.active {
  background: #ffffff;
  color: #0b0c10;
  font-weight: 700;
  border-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* ==========================================================================
   6. RESPONSIVE MEDIA QUERIES (4 COLUMNS DESKTOP, 2 COLUMNS MOBILE)
   ========================================================================== */

/* Intermediate Laptops & Medium Desktops (down to 861px): Keep Strictly 4 Columns */
@media (max-width: 1200px) and (min-width: 861px) {
  .art-grid {
    column-count: 4 !important;
    column-gap: 14px;
  }

  .artmo-filter-sidebar {
    flex: 0 0 225px;
    width: 225px;
  }

  .artmo-split-layout {
    gap: 18px;
  }
}

/* Mobile & Tablet Breakpoint: Strictly 2 Columns and Off-Canvas Drawer (<= 860px) */
@media (max-width: 860px) {
  .artmo-main-container {
    padding: 14px 16px 60px;
  }

  .artmo-split-layout {
    display: block;
  }

  /* STRICTLY 2 COLUMNS ON MOBILE */
  .art-grid {
    column-count: 2 !important;
    column-gap: 14px;
  }

  /* Drawer Off-Canvas */
  .artmo-filter-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 320px;
    max-width: 86vw;
    height: 100vh;
    z-index: 2500;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .artmo-filter-sidebar.is-open {
    transform: translateX(0);
  }

  .sidebar-sticky-wrap {
    height: 100%;
    max-height: 100vh;
    border-radius: 0;
    border: none;
    border-right: 1px solid var(--artmo-border-subtle);
    background: #0f1117;
    padding: 20px 18px;
  }

  .sidebar-drawer-header {
    display: flex;
  }

  /* Backdrop Overlay */
  .artmo-sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 2490;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .artmo-sidebar-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
  }

  /* Mobile Filters Trigger Button */
  .mobile-filter-open-btn {
    display: inline-flex;
  }

  .artmo-heading {
    font-size: 2.2rem;
  }

  .sold-frame-card .frame-inner-matting {
    padding: 8px;
  }

  .sold-frame-card .card-info.frame-card-info {
    padding: 10px 12px;
  }

  .sold-frame-card .card-title {
    font-size: 0.86rem;
  }

  .sold-frame-card .card-price {
    font-size: 0.86rem;
  }
}

/* Mobile Phones (< 640px): 2 COLUMNS */
@media (max-width: 640px) {
  .artmo-main-container {
    padding: 10px 10px 50px;
  }

  .artmo-gallery-header {
    padding: 14px 8px 18px;
    margin-bottom: 14px;
  }

  .artmo-heading {
    font-size: 1.8rem;
  }

  .artmo-subheading {
    font-size: 0.86rem;
  }

  .artmo-strip-card {
    width: 130px;
    min-width: 130px;
    max-width: 130px;
    border-radius: 0 !important;
  }

  .artmo-strip-card .strip-frame-matting,
  .artmo-strip-card .frame-inner-matting {
    height: auto !important;
    aspect-ratio: 1 / 1 !important;
    padding: 0;
    border-radius: 0 !important;
  }

  .artmo-strip-card .frame-artwork-img,
  .artmo-strip-card .strip-artwork-img {
    aspect-ratio: 1 / 1 !important;
    border-radius: 0 !important;
  }

  .artmo-strip-label {
    font-size: 0.72rem;
  }

  .artmo-stream-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .stream-controls-left,
  .stream-controls-right {
    justify-content: space-between;
    width: 100%;
  }

  .artmo-sort-container {
    width: 100%;
    justify-content: space-between;
  }

  .artmo-sort-select {
    flex: 1;
  }

  .art-grid {
    column-count: 2 !important;
    column-gap: 10px;
  }
}

@media (max-width: 480px) {
  .art-grid {
    column-count: 2 !important;
    column-gap: 8px;
  }

  .sold-frame-card {
    margin-bottom: 8px;
    border-radius: 8px;
  }

  .sold-frame-card .frame-inner-matting {
    padding: 6px;
  }

  .sold-frame-card .card-info.frame-card-info {
    padding: 8px 6px;
    gap: 4px;
    flex-direction: column;
    align-items: flex-start;
  }

  .sold-frame-card .card-title {
    font-size: 0.75rem;
    line-height: 1.2;
  }

  .sold-frame-card .card-artist {
    font-size: 0.68rem;
  }

  .sold-frame-card .card-price {
    font-size: 0.75rem;
  }
}

/* ==========================================================================
   8. CURATORIAL SEO & COLLECTOR FAQ SECTION
   ========================================================================== */
.artmo-curatorial-seo {
  margin-top: 55px;
  padding: 42px 28px;
  background: rgba(14, 16, 22, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  box-shadow: 0 10px 32px rgba(0, 0, 0, 0.55);
}

.curatorial-header {
  text-align: center;
  max-width: 740px;
  margin: 0 auto 36px;
}

.curatorial-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.curatorial-title {
  font-family: var(--font-serif);
  font-size: 1.85rem;
  color: #ffffff;
  margin: 0 0 12px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.curatorial-lead {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: #94a3b8;
  line-height: 1.6;
  margin: 0;
}

.curatorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 40px;
}

.curatorial-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 8px;
  padding: 24px 20px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.curatorial-card:hover {
  transform: translateY(-3px);
  border-color: rgba(255, 255, 255, 0.2);
}

.curatorial-card h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: #ffffff;
  margin: 0 0 10px;
  font-weight: 600;
}

.curatorial-card p {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  color: #cbd5e1;
  line-height: 1.6;
  margin: 0;
}

/* FAQ Accordion in SEO Section */
.curatorial-faq {
  max-width: 820px;
  margin: 0 auto;
}

.curatorial-faq h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: #ffffff;
  text-align: center;
  margin-bottom: 22px;
  font-weight: 600;
}

.seo-faq-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 14px 0;
}

.seo-faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  padding: 0;
  transition: color 0.2s ease;
}

.seo-faq-question:hover {
  color: #e2e8f0;
}

.seo-faq-question i {
  font-size: 0.8rem;
  color: #94a3b8;
  transition: transform 0.25s ease;
}

.seo-faq-item.is-open .seo-faq-question i {
  transform: rotate(180deg);
}

.seo-faq-answer {
  display: none;
  padding-top: 10px;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.65;
}

.seo-faq-item.is-open .seo-faq-answer {
  display: block;
}

@media (max-width: 860px) {
  .artmo-curatorial-seo {
    margin-top: 40px;
    padding: 28px 16px;
  }
  .curatorial-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .curatorial-title {
    font-size: 1.5rem;
  }
}