/* ═══════════════════════════════════════════════════════════
   SCI-FI HUD UI ELEMENTS — Design System
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=Orbitron:wght@400;700;900&display=swap');

:root {
  /* ── Palette ── */
  --bg:          #060610;
  --bg-card:     #0a0c1a;
  --bg-card-alt: #0d0f24;
  --primary:     #00f0ff;
  --primary-dim: #00607a;
  --secondary:   #00ff88;
  --sec-dim:     #00663a;
  --accent:      #ff3366;
  --accent-dim:  #661428;
  --warning:     #ffaa00;
  --warn-dim:    #664400;
  --purple:      #aa44ff;
  --purple-dim:  #442266;
  --dim:         #1a2a3a;
  --border:      #1c2e44;
  --text:        #8899aa;
  --text-bright: #ccdde8;
  --grid:        #0e1a28;

  /* ── Glow ── */
  --glow-primary:   0 0 8px #00f0ff66, 0 0 20px #00f0ff22;
  --glow-secondary: 0 0 8px #00ff8866, 0 0 20px #00ff8822;
  --glow-accent:    0 0 8px #ff336666, 0 0 20px #ff336622;

  /* ── Typography ── */
  --font-mono:    'Share Tech Mono', 'Fira Code', 'Courier New', monospace;
  --font-display: 'Orbitron', sans-serif;

  /* ── Sizing ── */
  --card-size: 200px;
  --card-gap:  16px;
  --section-gap: 48px;
}

/* ── Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  overflow-x: hidden;
  min-height: 100vh;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--primary-dim); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ── Gallery Layout ── */
.gallery {
  max-width: 1600px;
  margin: 0 auto;
  padding: 32px 24px;
}

.gallery-title {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 900;
  letter-spacing: 16px;
  text-transform: uppercase;
  text-align: center;
  color: var(--primary);
  text-shadow: var(--glow-primary);
  margin-bottom: 8px;
  padding: 24px 0;
}

.gallery-subtitle {
  text-align: center;
  color: var(--text);
  font-size: 11px;
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 48px;
  opacity: 0.6;
}

/* ── Sections ── */
.section {
  margin-bottom: var(--section-gap);
}

.section-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.section-header::before,
.section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--primary-dim), transparent);
}

.section-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 6px;
  text-transform: uppercase;
  color: var(--primary);
  white-space: nowrap;
}

.section-count {
  font-size: 10px;
  color: var(--text);
  opacity: 0.5;
  letter-spacing: 2px;
}

/* ── Element Grid ── */
.element-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-size), 1fr));
  gap: var(--card-gap);
}

.element-grid.large {
  --card-size: 300px;
}

.element-grid.wide {
  --card-size: 400px;
}

/* ── Element Card ── */
.element-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.element-card:hover {
  border-color: var(--primary-dim);
  box-shadow: var(--glow-primary);
}

.element-card.wide {
  aspect-ratio: 2/1;
}

.element-card.tall {
  aspect-ratio: 1/1.5;
}

.element-card.panel {
  aspect-ratio: 16/9;
}

.element-card.cockpit {
  aspect-ratio: 16/9;
}

.element-grid.cockpit-grid {
  grid-template-columns: 1fr;
  max-width: 1200px;
  margin: 0 auto;
}

.element-card canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.element-card .css-element {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

/* ── Card Label ── */
.element-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 4px 8px;
  background: linear-gradient(transparent, #060610cc);
  font-size: 9px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.element-card:hover .element-label {
  opacity: 1;
}

/* ── Corner Decorations ── */
.corner-decor {
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
}
.corner-decor.tl { top: -1px; left: -1px; border-top: 2px solid var(--primary); border-left: 2px solid var(--primary); }
.corner-decor.tr { top: -1px; right: -1px; border-top: 2px solid var(--primary); border-right: 2px solid var(--primary); }
.corner-decor.bl { bottom: -1px; left: -1px; border-bottom: 2px solid var(--primary); border-left: 2px solid var(--primary); }
.corner-decor.br { bottom: -1px; right: -1px; border-bottom: 2px solid var(--primary); border-right: 2px solid var(--primary); }

/* ── Utility ── */
.hidden { display: none !important; }
.glow-text { text-shadow: var(--glow-primary); }

/* ── Animations ── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

@keyframes glitch-1 {
  0%, 100% { clip-path: inset(0 0 0 0); transform: translate(0); }
  20% { clip-path: inset(20% 0 60% 0); transform: translate(-3px, 1px); }
  40% { clip-path: inset(60% 0 10% 0); transform: translate(3px, -1px); }
  60% { clip-path: inset(40% 0 30% 0); transform: translate(-2px, 2px); }
  80% { clip-path: inset(10% 0 80% 0); transform: translate(2px, -2px); }
}

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@keyframes flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.4; }
}

/* ═══════════════════════════════════════════════════════════
   MOBILE — Category-based loading
   ═══════════════════════════════════════════════════════════ */

.mobile-category-nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 12px 4px;
  margin: 0 -24px 24px -24px;
  padding-left: 24px;
  padding-right: 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: linear-gradient(to bottom, var(--bg) 70%, transparent);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.mobile-category-nav::-webkit-scrollbar {
  display: none;
}

.mobile-cat-btn {
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.25s ease;
  white-space: nowrap;
  -webkit-tap-highlight-color: transparent;
}

.mobile-cat-btn.active {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 12px #00f0ff33;
}

.mobile-cat-btn:active {
  transform: scale(0.95);
}

#mobile-content {
  min-height: 60vh;
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
  .gallery {
    padding: 16px 12px;
  }
  .gallery-title {
    font-size: 20px;
    letter-spacing: 8px;
    padding: 12px 0;
    margin-bottom: 4px;
  }
  .gallery-subtitle {
    font-size: 9px;
    letter-spacing: 4px;
    margin-bottom: 16px;
  }
  :root {
    --card-size: 150px;
    --card-gap: 10px;
    --section-gap: 32px;
  }
  .section-title {
    font-size: 11px;
    letter-spacing: 3px;
  }
  .mobile-category-nav {
    margin: 0 -12px 16px -12px;
    padding-left: 12px;
    padding-right: 12px;
  }
}