/* ==============================================================================
   STYLE TILES — AESTHETIC DESIGN SYSTEM
   Aesthetic: Archival Drafting • Editorial Neo-Brutalism • Tactile Risograph
   ============================================================================== */

/* -----------------------------------------------------------------------------
 * 1. CSS VARIABLES & SYSTEM TOKENS
 * -------------------------------------------------------------------------- */
:root {
  /* Surfaces & Backgrounds */
  --surface-canvas:         #F4EFEA; /* Warm Manila parchment (Primary background) */
  --surface-sheet:          #FAF7F2; /* Bleached paper highlight (Elevated cards)  */
  --surface-kraft:          #EAE2D8; /* Aged chipboard (Muted panels, wells)      */
  --surface-dark:           #141312; /* Drafting charcoal (Inverted containers)    */

  /* Stark Ink & Monochromes */
  --ink-primary:            #000000; /* Pure stark ink (Text, borders, shadows)   */
  --ink-secondary:          #3D3A37; /* Diluted carbon (Secondary copy)           */
  --ink-muted:              #78726D; /* Pencil graphite (Captions, timestamps)    */
  --ink-inverted:           #F4EFEA; /* Parchment contrast for dark surfaces       */

  /* Signature Accents */
  --accent-burnt-orange:    #FF6B4A; /* Vintage stamp vermilion (Primary CTA/Hot) */
  --accent-orange-hover:    #FF522B; /* Saturated press tone                      */
  --accent-mustard:         #FFD166; /* Highlighter ochre (Badges, warm focus)    */
  --accent-mustard-hover:   #FFC53D; /* Deep ochre stamp                          */

  /* Contextual / System Tokens */
  --status-success:         #4D7C5D; /* Botanical archive green                   */
  --status-warning:         #FFD166; /* Mustard alert                             */
  --status-danger:          #FF6B4A; /* Burnt vermilion flag                      */
  --status-info:            #5B85AA; /* Blueprint cyan-slate                      */

  /* Font Stacks */
  --font-display: "Fraunces", "Playfair Display", "Georgia", serif;
  --font-sans:    "Space Grotesk", "Inter", -apple-system, sans-serif;
  --font-mono:    "JetBrains Mono", "Courier Prime", monospace;

  /* Corner Geometry */
  --radius-sharp:   0px;
  --radius-tactile: 2px;
  --radius-stamp:   4px;
  --radius-pill:    9999px;

  /* Elevation & Shadows */
  --shadow-none:       0px 0px 0px transparent;
  --shadow-sm:         2px 2px 0px #000000;
  --shadow-base:       4px 4px 0px #000000;
  --shadow-md:         6px 6px 0px #000000;
  --shadow-lg:         8px 8px 0px #000000;
  --shadow-accent-hot: 4px 4px 0px var(--accent-burnt-orange);
  --shadow-accent-war: 4px 4px 0px var(--accent-mustard);

  /* Spacing Scale */
  --space-1:   0.25rem; /*  4px */
  --space-2:   0.50rem; /*  8px */
  --space-3:   0.75rem; /* 12px */
  --space-4:   1.00rem; /* 16px */
  --space-6:   1.50rem; /* 24px */
  --space-8:   2.00rem; /* 32px */
  --space-12:  3.00rem; /* 48px */
  --space-16:  4.00rem; /* 64px */

  /* Borders & Dividers */
  --border-core:        3px solid #000000;
  --border-hairline:    1px solid #000000;
  --border-accent-hot:  3px solid var(--accent-burnt-orange);
  --border-accent-warm: 3px solid var(--accent-mustard);
  --divider-perforated: 2px dashed #000000;
  --divider-dotted:     2px dotted #000000;

  /* Interaction Timing */
  --transition-snap: all 120ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* -----------------------------------------------------------------------------
 * 2. RESET & BASE DOCUMENT
 * -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--surface-canvas);
  color: var(--ink-primary);
}

body {
  font-family: var(--font-sans);
  font-size: 1.0rem;
  line-height: 1.60;
  color: var(--ink-primary);
  background-color: var(--surface-canvas);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle archival drafting grid overlay on background */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.035) 1px, transparent 1px);
}

/* -----------------------------------------------------------------------------
 * 3. TYPOGRAPHY SYSTEM
 * -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--ink-primary);
  line-height: 1.2;
}

.font-display {
  font-family: var(--font-display);
}

.font-mono {
  font-family: var(--font-mono);
}

.font-sans {
  font-family: var(--font-sans);
}

/* Type Scale Utility */
.text-display {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.text-h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.text-h2 {
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.text-h3 {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.text-body {
  font-size: 1.0rem;
  line-height: 1.60;
}

.text-body-sm {
  font-size: 0.875rem;
  line-height: 1.50;
}

.text-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.40;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
}

a {
  color: inherit;
  text-decoration: none;
}

/* -----------------------------------------------------------------------------
 * 4. MECHANICAL BUTTONS & INTERACTIVE ELEMENTS
 * -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-primary);
  background-color: var(--surface-sheet);
  border: var(--border-core);
  border-radius: var(--radius-sharp);
  box-shadow: var(--shadow-base);
  cursor: pointer;
  transition: var(--transition-snap);
  user-select: none;
  white-space: nowrap;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-md);
  background-color: #FFFFFF;
}

.btn:active {
  transform: translate(4px, 4px);
  box-shadow: var(--shadow-none);
}

.btn:focus-visible {
  outline: 2px dashed #000000;
  outline-offset: 4px;
}

/* Button Variants */
.btn-primary {
  background-color: var(--accent-burnt-orange);
  color: #FFFFFF;
}

.btn-primary:hover {
  background-color: var(--accent-orange-hover);
  color: #FFFFFF;
}

.btn-mustard {
  background-color: var(--accent-mustard);
  color: var(--ink-primary);
}

.btn-mustard:hover {
  background-color: var(--accent-mustard-hover);
}

.btn-dark {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
}

.btn-dark:hover {
  background-color: #262422;
  color: var(--ink-inverted);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.btn-sm:hover {
  box-shadow: var(--shadow-base);
}

.btn-sm:active {
  box-shadow: var(--shadow-none);
}

.btn-icon-only {
  padding: 0.5rem;
  width: 38px;
  height: 38px;
}

/* Tag / Chip / Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: var(--border-hairline);
  background-color: var(--surface-sheet);
  border-radius: var(--radius-tactile);
}

.badge-orange {
  background-color: #FFE6DF;
  border-color: var(--accent-burnt-orange);
  color: #C03918;
}

.badge-mustard {
  background-color: #FFF6DF;
  border-color: #D9A424;
  color: #7A5805;
}

.badge-success {
  background-color: #E2EFE7;
  border-color: var(--status-success);
  color: var(--status-success);
}

.badge-dark {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  border-color: var(--surface-dark);
}

.badge-theme-dark {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  border-color: #000000;
}

.badge-theme-light {
  background-color: #FFFFFF;
  color: var(--ink-primary);
  border-color: #000000;
}

.badge-theme-dark-light {
  background: linear-gradient(135deg, var(--surface-dark) 50%, #FFFFFF 50%);
  color: #FFFFFF;
  border-color: #000000;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.9);
}

.badge-pill {
  border-radius: var(--radius-pill);
  padding: 0.15rem 0.65rem;
}

/* -----------------------------------------------------------------------------
 * 5. LAYOUT CONTAINERS & FRAMES
 * -------------------------------------------------------------------------- */
.layout-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* Masthead / Top Ticker */
.masthead-strip {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  border-bottom: var(--border-core);
  padding: var(--space-2) var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.masthead-strip .strip-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.strip-reg-mark {
  color: var(--accent-burnt-orange);
  font-weight: 800;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.live-dot {
  width: 8px;
  height: 8px;
  background-color: #55E083;
  border-radius: 50%;
  box-shadow: 0 0 6px #55E083;
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Primary Header */
.site-header {
  background-color: var(--surface-sheet);
  border-bottom: var(--border-core);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) 0;
  gap: var(--space-4);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.brand-stamp {
  width: 44px;
  height: 44px;
  background-color: var(--accent-burnt-orange);
  border: var(--border-core);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: #FFFFFF;
}

.brand-text-group {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.02em;
}

.brand-sub {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-link {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-bottom: 2px solid transparent;
  transition: var(--transition-snap);
}

.header-link:hover {
  border-bottom-color: var(--accent-burnt-orange);
  color: var(--accent-burnt-orange);
}

/* Desktop: hide the mobile-only hero */
.hero-mobile {
  display: none;
}

.controls-view-tools {
  display: flex;
  align-items: center;
  gap: 16px;
}

#displayed-count {
  color: var(--ink-secondary);
}

/* -----------------------------------------------------------------------------
 * 6. HERO SECTION — EDITORIAL DRAFTING BOARD
 * -------------------------------------------------------------------------- */
.hero-section {
  padding: var(--space-12) 0 var(--space-8);
}

.hero-card {
  background-color: var(--surface-sheet);
  border: var(--border-core);
  box-shadow: var(--shadow-lg);
  padding: var(--space-8);
  position: relative;
  overflow: hidden;
}

.hero-card::before {
  content: "SPECIFICATION REGISTRY // DRAFTING LEDGER";
  position: absolute;
  top: 10px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-muted);
  letter-spacing: 0.1em;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.95fr;
  gap: var(--space-8);
  align-items: center;
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.hero-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.hero-tag-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.hero-lead {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--ink-secondary);
  max-width: 60ch;
}

.hero-cta-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-2);
}

/* Interactive Agent Workflow Box in Hero */
.agent-workflow-card {
  background-color: var(--surface-kraft);
  border: var(--border-core);
  box-shadow: var(--shadow-base);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
}

.workflow-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-hairline);
  padding-bottom: var(--space-2);
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.step-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.step-num {
  width: 24px;
  height: 24px;
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  border: 1px solid #000000;
}

.step-content strong {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  display: block;
  margin-bottom: 2px;
}

.step-content p {
  font-size: 0.8125rem;
  color: var(--ink-secondary);
  line-height: 1.4;
}

.prompt-copy-box {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  border: var(--border-hairline);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.45;
  position: relative;
  overflow: hidden;
}

.prompt-code-snippet {
  white-space: pre-wrap;
  word-break: break-all;
  color: #D1CDCA;
}

.prompt-copy-btn {
  margin-top: var(--space-2);
  width: 100%;
}

/* -----------------------------------------------------------------------------
 * 7. CATALOG CONTROL BAR (FILTER & SEARCH CONTROLS)
 * -------------------------------------------------------------------------- */
.catalog-section {
  padding-bottom: var(--space-16);
  scroll-margin-top: 86px;
}

.controls-panel {
  background-color: var(--surface-sheet);
  border: var(--border-core);
  box-shadow: var(--shadow-base);
  padding: var(--space-4) var(--space-6);
  margin-bottom: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  scroll-margin-top: 86px;
}

.controls-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  background-color: var(--surface-canvas);
  border: var(--border-core);
  box-shadow: var(--shadow-sm);
  padding: 0 var(--space-3);
  flex: 1;
  min-width: 260px;
  max-width: 480px;
  transition: var(--transition-snap);
}

.search-box:focus-within {
  border-color: var(--accent-burnt-orange);
  box-shadow: 0 0 0 2px var(--accent-burnt-orange), var(--shadow-base);
}

.search-icon {
  color: var(--ink-muted);
  margin-right: var(--space-2);
  display: flex;
  align-items: center;
}

.search-input {
  width: 100%;
  border: none;
  background: transparent;
  padding: 0.65rem 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--ink-primary);
  outline: none;
}

.search-input::placeholder {
  color: var(--ink-muted);
}

.view-options {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.view-btn {
  background-color: var(--surface-canvas);
  border: var(--border-hairline);
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-snap);
  user-select: none;
}

.view-btn:hover {
  background-color: #FFFFFF;
  border-color: #000000;
}

.view-btn.active {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  border-color: var(--surface-dark);
}

.view-btn.active:hover {
  background-color: #1F1E1D;
  border-color: #1F1E1D;
}

/* Category Filter Chips Bar */
.filter-chips-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding-top: var(--space-3);
  border-top: var(--border-hairline);
}

.filter-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-right: var(--space-2);
}

.filter-chip {
  background-color: var(--surface-canvas);
  border: var(--border-hairline);
  padding: 0.35rem 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-snap);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}

.filter-chip:hover {
  background-color: #FFFFFF;
  border-color: #000000;
  transform: translate(-1px, -1px);
}

.filter-chip.active {
  background-color: var(--accent-burnt-orange);
  color: #FFFFFF;
  border-color: #000000;
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.filter-chip .chip-count {
  background-color: rgba(0, 0, 0, 0.1);
  padding: 1px 5px;
  border-radius: 2px;
  font-size: 0.6875rem;
}

.filter-chip.active .chip-count {
  background-color: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

/* -----------------------------------------------------------------------------
 * 8. DESIGNS GRID & 16:9 SKELETON SCREEN CARDS
 * -------------------------------------------------------------------------- */
.catalog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: var(--space-8);
}

@media (max-width: 768px) {
  .catalog-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

/* Split View (2-Column Large Spread) */
.catalog-grid.view-split,
.catalog-grid.view-editorial {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

@media (max-width: 900px) {
  .catalog-grid.view-split,
  .catalog-grid.view-editorial {
    grid-template-columns: 1fr;
  }
}

/* Compact Modifier Effect (Applies to both Grid and Split modes) */
.catalog-grid.is-compact,
.catalog-grid.view-compact {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--space-6);
}

.catalog-grid.view-split.is-compact,
.catalog-grid.view-split.view-compact,
.catalog-grid.view-editorial.is-compact,
.catalog-grid.view-editorial.view-compact {
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.catalog-grid.is-compact .design-card,
.catalog-grid.view-compact .design-card {
  overflow: hidden;
}

.catalog-grid.is-compact .card-preview-live,
.catalog-grid.is-compact .skeleton-screen-wrapper,
.catalog-grid.view-compact .card-preview-live,
.catalog-grid.view-compact .skeleton-screen-wrapper {
  border-bottom: none;
}

.catalog-grid.is-compact .card-body,
.catalog-grid.is-compact .card-actions-bar,
.catalog-grid.view-compact .card-body,
.catalog-grid.view-compact .card-actions-bar {
  display: none;
}

@media (max-width: 900px) {
  .catalog-grid.view-split.is-compact,
  .catalog-grid.view-split.view-compact,
  .catalog-grid.view-editorial.is-compact,
  .catalog-grid.view-editorial.view-compact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .catalog-grid.is-compact,
  .catalog-grid.view-compact {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

/* Design Card Structure */
.design-card {
  background-color: var(--surface-sheet);
  border: var(--border-core);
  box-shadow: var(--shadow-base);
  display: flex;
  flex-direction: column;
  transition: var(--transition-snap);
  position: relative;
}

.design-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-md);
}

.card-header-bar {
  padding: var(--space-2) var(--space-4);
  background-color: var(--surface-kraft);
  border-bottom: var(--border-core);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.card-code {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.card-vibe-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.6875rem;
  padding: 2px 8px;
  background-color: var(--surface-canvas);
  border: 1px solid #000000;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-snap);
}

.card-vibe-badge:hover {
  background-color: var(--accent-mustard);
  transform: translate(-1px, -1px);
  box-shadow: 1px 1px 0px #000000;
}

.vibe-dot {
  width: 6px;
  height: 6px;
  background-color: #4D7C5D;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* 16:9 Live Design Page Preview Container */
.card-preview-live {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--surface-sheet);
  border-bottom: var(--border-core);
}

.card-preview-iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 1280px;
  height: 720px;
  border: none;
  pointer-events: none;
  transform-origin: top left;
  background-color: #FAF7F2;
  transition: opacity 180ms ease;
}

.preview-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 19, 18, 0);
  transition: background 150ms cubic-bezier(0.2, 0.8, 0.2, 1);
  text-decoration: none;
}

.preview-overlay:hover {
  background: rgba(20, 19, 18, 0.35);
  backdrop-filter: blur(1px);
}

.preview-badge-live {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 12;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 800;
  padding: 2px 8px;
  background: var(--surface-sheet);
  border: var(--border-hairline);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.05em;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  pointer-events: none;
}

.preview-open-badge {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background-color: var(--accent-burnt-orange);
  color: #FFFFFF;
  border: var(--border-core);
  box-shadow: var(--shadow-base);
  padding: 6px 14px;
  opacity: 0;
  transform: translateY(6px);
  transition: var(--transition-snap);
}

.preview-overlay:hover .preview-open-badge {
  opacity: 1;
  transform: translateY(0);
}

/* 16:9 Skeleton Screen Container */
.skeleton-screen-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #E2DBD2;
  border-bottom: var(--border-core);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Drafting Wireframe Skeleton Elements */
.skeleton-screen {
  width: 100%;
  height: 100%;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  background: 
    linear-gradient(135deg, rgba(0, 0, 0, 0.03) 25%, transparent 25%) -10px 0,
    linear-gradient(225deg, rgba(0, 0, 0, 0.03) 25%, transparent 25%) -10px 0,
    linear-gradient(315deg, rgba(0, 0, 0, 0.03) 25%, transparent 25%),
    linear-gradient(45deg, rgba(0, 0, 0, 0.03) 25%, transparent 25%);
  background-size: 20px 20px;
  background-color: #DDD6CC;
}

/* Drafting crosshairs on 4 corners */
.skeleton-screen::before {
  content: "+               +";
  position: absolute;
  top: 6px;
  left: 8px;
  right: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  color: rgba(0, 0, 0, 0.35);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

.skeleton-screen::after {
  content: "+               +";
  position: absolute;
  bottom: 6px;
  left: 8px;
  right: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 900;
  color: rgba(0, 0, 0, 0.35);
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}

/* Wireframe Mock UI Elements */
.wireframe-nav {
  height: 14px;
  background-color: #C8C0B4;
  border: 1px dashed rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 6px;
}

.wireframe-nav-left {
  width: 32px;
  height: 6px;
  background-color: #A8A094;
}

.wireframe-nav-right {
  display: flex;
  gap: 4px;
}

.wireframe-nav-dot {
  width: 14px;
  height: 5px;
  background-color: #B5ADA0;
}

.wireframe-body {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 6px 0;
  flex: 1;
}

.wireframe-hero-col {
  flex: 1.4;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wireframe-h1-bar {
  height: 16px;
  width: 85%;
  background-color: #B2A89C;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.wireframe-p-bar {
  height: 7px;
  width: 100%;
  background-color: #C5BCB0;
}

.wireframe-p-bar-short {
  height: 7px;
  width: 60%;
  background-color: #C5BCB0;
}

.wireframe-btn-box {
  height: 16px;
  width: 54px;
  background-color: #9C9286;
  margin-top: 4px;
  border: 1px solid rgba(0, 0, 0, 0.3);
}

.wireframe-art-col {
  flex: 1;
  height: 100%;
  max-height: 80px;
  background-color: #C4BBB0;
  border: 1px dashed rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.wireframe-art-col::before {
  content: "16:9 SCREEN";
  font-family: var(--font-mono);
  font-size: 8px;
  color: rgba(0, 0, 0, 0.4);
  font-weight: 700;
  letter-spacing: 0.05em;
}

.wireframe-footer-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.wireframe-card-cell {
  height: 20px;
  background-color: #CCC4B8;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

/* Rubber Stamp Overlay on Skeleton */
.skeleton-stamp {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-7deg);
  border: 2px dashed #000000;
  background-color: rgba(244, 239, 234, 0.94);
  padding: 6px 14px;
  text-align: center;
  box-shadow: 2px 2px 0px rgba(0, 0, 0, 0.4);
  pointer-events: none;
}

.skeleton-stamp-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 800;
  color: #000000;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: block;
}

.skeleton-stamp-sub {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Card Body & Info */
.card-body {
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-3);
  flex: 1;
}

.card-info-top {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.card-title-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--ink-primary);
  min-height: 2.3rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-desc {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.45;
  min-height: 3.8rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Standardized Bottom Container inside Card Body */
.card-info-bottom {
  margin-top: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding-top: var(--space-2);
}

/* Palette Swatches Bar */
.palette-preview-bar {
  display: flex;
  height: 22px;
  border: var(--border-core);
  border-radius: var(--radius-tactile);
  background-color: var(--surface-canvas);
  box-shadow: 1px 1px 0px rgba(0, 0, 0, 0.2);
  position: relative;
  overflow: visible;
}

.palette-preview-bar .swatch {
  flex: 1;
  height: 100%;
  position: relative;
  cursor: pointer;
  transition: transform 0.16s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.16s ease, border-radius 0.16s ease;
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, 0.15);
}

.palette-preview-bar .swatch:first-child {
  border-top-left-radius: 1px;
  border-bottom-left-radius: 1px;
}

.palette-preview-bar .swatch:last-child {
  border-top-right-radius: 1px;
  border-bottom-right-radius: 1px;
  box-shadow: none;
}

.palette-preview-bar .swatch:hover {
  transform: translateY(-4px) scale(1.08);
  z-index: 10;
  border-radius: var(--radius-tactile);
  outline: 2px solid #000000;
  box-shadow: 0 4px 0px #000000;
}

.palette-preview-bar .swatch:active {
  transform: translateY(0px) scale(1.0);
  box-shadow: 0 1px 0px #000000;
}

/* Font pairing and metadata tags */
.card-meta-tags {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Card Actions */
.card-actions-bar {
  padding: var(--space-3) var(--space-4);
  background-color: var(--surface-sheet);
  border-top: var(--border-hairline);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
}

/* -----------------------------------------------------------------------------
 * 9. DRAFTING MODAL & PREVIEW DRAWER
 * -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(20, 19, 18, 0.75);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-sheet {
  background-color: var(--surface-sheet);
  border: var(--border-core);
  box-shadow: 12px 12px 0px #000000;
  width: 100%;
  max-width: 860px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  transform: translateY(20px);
  transition: transform 150ms cubic-bezier(0.2, 0.8, 0.2, 1);
  overflow: hidden;
}

.modal-backdrop.open .modal-sheet {
  transform: translateY(0);
}

.modal-header {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  padding: var(--space-3) var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: var(--border-core);
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.modal-close-btn {
  background: transparent;
  border: 1px solid var(--ink-inverted);
  color: var(--ink-inverted);
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-family: var(--font-mono);
  font-weight: 700;
  transition: var(--transition-snap);
}

.modal-close-btn:hover {
  background-color: var(--accent-burnt-orange);
  border-color: var(--accent-burnt-orange);
}

.modal-body {
  padding: var(--space-6);
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
  background-color: var(--surface-canvas);
}

.modal-code-block {
  background-color: var(--surface-sheet);
  border: var(--border-hairline);
  padding: var(--space-4);
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--ink-primary);
}

.modal-footer {
  background-color: var(--surface-kraft);
  border-top: var(--border-core);
  padding: var(--space-3) var(--space-4);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* -----------------------------------------------------------------------------
 * 10. TACTILE TOAST NOTIFICATIONS
 * -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  background-color: var(--surface-dark);
  color: var(--ink-inverted);
  border: var(--border-core);
  box-shadow: 4px 4px 0px var(--accent-burnt-orange);
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transform: translateY(30px);
  opacity: 0;
  transition: all 200ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  color: #55E083;
}

/* -----------------------------------------------------------------------------
 * 11. ARCHIVAL FOOTER (PERFORATED TEAR-OFF)
 * -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--surface-kraft);
  border-top: var(--divider-perforated);
  padding: var(--space-12) 0 var(--space-8);
  position: relative;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (max-width: 800px) {
  .footer-inner {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
  color: var(--ink-primary);
  border-bottom: var(--border-hairline);
  padding-bottom: 4px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-links a {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink-secondary);
  transition: var(--transition-snap);
}

.footer-links a:hover {
  color: var(--accent-burnt-orange);
  text-decoration: underline;
}

.footer-bottom-strip {
  border-top: var(--border-hairline);
  padding-top: var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* -----------------------------------------------------------------------------
 * 12. MOBILE LAYOUT — DESIGN-FIRST CATALOG
 * -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  html {
    overflow-x: hidden;
  }

  body {
    overflow-x: hidden;
  }

  .layout-wrapper {
    padding-left: 16px;
    padding-right: 16px;
    width: 100%;
    max-width: 100%;
  }

  /* Drop the ticker — it wastes vertical space and wraps poorly */
  .masthead-strip {
    display: none;
  }

  /* Compact, single-row header */
  .site-header {
    position: sticky;
    top: 0;
  }

  .header-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    padding-bottom: 12px;
    gap: 10px;
  }

  .brand-block {
    min-width: 0;
    flex: 1 1 auto;
    gap: 10px;
  }

  .brand-stamp {
    width: 36px;
    height: 36px;
    font-size: 1.15rem;
    flex-shrink: 0;
  }

  .brand-text-group {
    min-width: 0;
    overflow: hidden;
  }

  .brand-title {
    font-size: 1.15rem;
  }

  .brand-sub {
    display: none;
  }

  .header-nav {
    width: auto;
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 6px;
    flex-shrink: 0;
  }

  .header-link,
  .btn-copy-master,
  #header-compact-toggle {
    display: none;
  }

  /* Simplified hero: headline + browse, no card */
  .hero-section {
    padding: 28px 0 20px;
  }

  .hero-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    width: 100%;
  }

  .hero-mobile .text-display {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    font-size: clamp(1.4rem, 4.6vw, 2rem) !important;
    line-height: 1.16;
    letter-spacing: -0.03em;
    overflow-wrap: break-word;
  }

  .hero-mobile .btn {
    width: 100%;
    max-width: 280px;
  }

  .hero-card {
    display: none;
  }

  /* Catalog: search first, then designs */
  .catalog-section {
    padding-bottom: 48px;
    scroll-margin-top: 68px;
  }

  .controls-panel {
    padding: 14px;
    margin-bottom: 20px;
    gap: 14px;
    scroll-margin-top: 68px;
    width: 100%;
    max-width: 100%;
  }

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

  .search-box {
    min-width: 0;
    max-width: none;
    width: 100%;
  }

  .search-input {
    font-size: 16px; /* prevents iOS zoom on focus */
  }

  .controls-view-tools {
    justify-content: center;
  }

  .view-options {
    display: none;
  }

  #displayed-count {
    text-align: center;
    width: 100%;
  }

  .filter-chips-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-top: 12px;
    margin: 0 -14px;
    padding-left: 14px;
    padding-right: 14px;
    gap: 8px;
  }

  .filter-chips-bar::-webkit-scrollbar {
    display: none;
  }

  .filter-label {
    flex-shrink: 0;
    margin-right: 0;
  }

  .filter-chip {
    flex-shrink: 0;
    white-space: nowrap;
  }

  .catalog-grid,
  .catalog-grid.is-compact,
  .catalog-grid.view-compact,
  .catalog-grid.view-split,
  .catalog-grid.view-editorial,
  .catalog-grid.view-split.is-compact,
  .catalog-grid.view-editorial.is-compact {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .design-card:hover {
    transform: none;
    box-shadow: var(--shadow-base);
  }

  .card-header-bar {
    padding: 8px 12px;
    gap: 6px;
    flex-direction: column;
    align-items: flex-start;
  }

  .card-vibe-badge {
    min-width: 0;
    max-width: 100%;
  }

  /* Always show the open cue — hover is unavailable on touch */
  .preview-overlay {
    background: linear-gradient(to top, rgba(20, 19, 18, 0.42) 0%, transparent 46%);
    align-items: flex-end;
    padding-bottom: 12px;
  }

  .preview-open-badge {
    opacity: 1;
    transform: none;
    font-size: 0.7rem;
    padding: 5px 10px;
  }

  .card-title {
    font-size: 1.15rem;
    min-height: 0;
  }

  .card-desc {
    min-height: 0;
  }

  .card-actions-bar {
    flex-wrap: wrap;
    justify-content: stretch;
  }

  .card-actions-bar .btn {
    flex: 1 1 auto;
    min-width: 0;
    white-space: nowrap;
  }

  /* Modal */
  .modal-backdrop {
    padding: 12px;
    align-items: flex-end;
  }

  .modal-sheet {
    max-height: 92vh;
    box-shadow: 6px 6px 0 #000000;
    width: 100%;
  }

  .modal-title-group {
    flex-wrap: wrap;
    min-width: 0;
  }

  .modal-header .text-h3 {
    font-size: 1rem;
  }

  .modal-body {
    padding: 16px;
  }

  .modal-footer {
    flex-wrap: wrap;
    justify-content: stretch;
  }

  .modal-footer .btn {
    flex: 1 1 auto;
    white-space: nowrap;
  }

  /* Footer */
  .site-footer {
    padding: 32px 0 24px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 24px;
    text-align: left;
  }

  .footer-bottom-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  /* Toast stays on-screen */
  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
    align-items: stretch;
  }

  .toast {
    width: 100%;
  }
}

/* Extra-narrow phones */
@media (max-width: 380px) {
  .layout-wrapper {
    padding: 0 12px;
  }

  .hero-mobile .text-display {
    font-size: 1.35rem !important;
  }

  .filter-label {
    display: none;
  }
}

/* Disable lift-on-hover on touch devices so cards don't jump */
@media (hover: none) {
  .btn:hover,
  .design-card:hover,
  .filter-chip:hover,
  .card-vibe-badge:hover {
    transform: none;
  }

  .btn:hover {
    box-shadow: var(--shadow-base);
  }

  .btn-sm:hover {
    box-shadow: var(--shadow-sm);
  }

  .design-card:hover {
    box-shadow: var(--shadow-base);
  }
}