/* ============================================================
   THEME: Neon Pulse (النيون النابض)
   Vibrant streetwear — neon borders, glowing text, bold colors
   ============================================================ */

/* --- ROOT VARIABLES --- */
.theme-neon {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: rgba(15, 15, 26, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-elevated: #14141f;
  --border-subtle: #2a2a3e;
  --border-glass: rgba(255, 0, 85, 0.15);
  --text-primary: #f0f0ff;
  --text-secondary: #8888bb;
  --text-muted: #555577;
  --accent-pink: #ff0055;
  --accent-green: #00ff88;
  --accent-purple: #7000ff;
  --accent-cyan: #00ccff;
  --accent-gold: #d4a017;
  --accent-pink-dim: rgba(255, 0, 85, 0.1);
  --accent-green-dim: rgba(0, 255, 136, 0.08);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-hover: 0 12px 48px rgba(255, 0, 85, 0.15);
  --hero-gradient: linear-gradient(135deg, #0a0a0f 0%, #1a0a1a 30%, #0a0a1a 60%, #0a0f0a 100%);
  --pink-gradient: linear-gradient(135deg, #ff0055, #ff3388);
  --green-gradient: linear-gradient(135deg, #00ff88, #00cc6a);
  --purple-gradient: linear-gradient(135deg, #7000ff, #a855f7);
  --neon-glow-pink: 0 0 10px rgba(255, 0, 85, 0.5), 0 0 20px rgba(255, 0, 85, 0.2);
  --neon-glow-green: 0 0 10px rgba(0, 255, 136, 0.5), 0 0 20px rgba(0, 255, 136, 0.2);
  --neon-glow-purple: 0 0 10px rgba(112, 0, 255, 0.5), 0 0 20px rgba(112, 0, 255, 0.2);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- BODY --- */
.theme-neon body,
body.theme-neon {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  transition: background var(--transition-medium), color var(--transition-medium);
}

/* --- NAV --- */
.theme-neon nav {
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background var(--transition-medium);
  border-image: linear-gradient(90deg, var(--accent-pink), var(--accent-purple), var(--accent-cyan)) 1;
  border-bottom-width: 1px;
  border-bottom-style: solid;
}

.theme-neon nav h1 {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 0 8px rgba(255, 0, 85, 0.3));
}

.theme-neon nav a {
  color: var(--text-secondary);
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  transition: all var(--transition-fast);
  position: relative;
}

.theme-neon nav a:hover {
  color: var(--accent-pink);
  text-shadow: 0 0 12px rgba(255, 0, 85, 0.5);
}

/* --- THEME SWITCHER --- */
.theme-neon .theme-switcher {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-left: 20px;
}

.theme-neon .theme-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
  outline: none;
}

.theme-neon .theme-btn:hover {
  transform: scale(1.25) rotate(15deg);
  filter: brightness(1.3);
}

.theme-neon .theme-btn.active {
  border-color: var(--accent-pink);
  box-shadow: var(--neon-glow-pink);
  animation: neon-btn-pulse 1.5s ease-in-out infinite;
}

@keyframes neon-btn-pulse {
  0%, 100% { box-shadow: 0 0 5px rgba(255, 0, 85, 0.4), 0 0 10px rgba(255, 0, 85, 0.2); }
  50% { box-shadow: 0 0 15px rgba(255, 0, 85, 0.7), 0 0 30px rgba(255, 0, 85, 0.3); }
}

.theme-neon .theme-btn-midnight { background: #0a0a12; border-color: #d4a017; }
.theme-neon .theme-btn-arctic { background: #f8f9fa; border-color: #2563eb; }
.theme-neon .theme-btn-neon { background: #ff0055; border-color: #00ff88; }

/* --- HERO SECTION --- */
.theme-neon .hero {
  background: var(--hero-gradient);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  margin-bottom: 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.theme-neon .hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, 
    rgba(255, 0, 85, 0.06), 
    rgba(112, 0, 255, 0.04), 
    rgba(0, 255, 136, 0.06), 
    rgba(0, 204, 255, 0.04), 
    rgba(255, 0, 85, 0.06)
  );
  animation: neon-hero-spin 8s linear infinite;
  pointer-events: none;
}

@keyframes neon-hero-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.theme-neon .hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at 30% 0%, rgba(255, 0, 85, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 0%, rgba(0, 255, 136, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.theme-neon .hero h2 {
  font-size: 36px;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple), var(--accent-cyan), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(255, 0, 85, 0.3));
  animation: neon-text-shimmer 3s ease-in-out infinite;
  background-size: 200% auto;
}

@keyframes neon-text-shimmer {
  0% { background-position: 0% center; }
  50% { background-position: 100% center; }
  100% { background-position: 0% center; }
}

.theme-neon .hero p {
  color: var(--text-secondary);
  font-size: 16px;
  position: relative;
  z-index: 1;
}

.theme-neon .hero .highlight {
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(255, 0, 85, 0.3));
}

/* --- STATS CARDS --- */
.theme-neon .stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.theme-neon .stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.theme-neon .stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-purple), var(--accent-cyan));
  opacity: 0.8;
}

.theme-neon .stat-card:hover {
  transform: translateY(-6px) scale(1.02);
  border-color: var(--accent-pink);
  box-shadow: var(--neon-glow-pink);
}

.theme-neon .stat-card:nth-child(even):hover {
  border-color: var(--accent-green);
  box-shadow: var(--neon-glow-green);
}

.theme-neon .stat-card .num {
  font-size: 30px;
  font-weight: 700;
  background: var(--pink-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 6px rgba(255, 0, 85, 0.3));
}

.theme-neon .stat-card:nth-child(even) .num {
  background: var(--green-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 6px rgba(0, 255, 136, 0.3));
}

.theme-neon .stat-card .label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- PRODUCT GRID --- */
.theme-neon .products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

/* --- PRODUCT CARDS --- */
.theme-neon .product-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-medium);
  box-shadow: var(--shadow-card);
  position: relative;
}

.theme-neon .product-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-md);
  padding: 2px;
  background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple), var(--accent-cyan), var(--accent-green));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-medium);
  pointer-events: none;
}

.theme-neon .product-card:hover::before {
  opacity: 1;
  animation: neon-border-run 2s linear infinite;
}

@keyframes neon-border-run {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

.theme-neon .product-card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: var(--neon-glow-pink), var(--shadow-hover);
}

.theme-neon .product-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--bg-elevated);
  transition: transform var(--transition-slow);
}

.theme-neon .product-card:hover img {
  transform: scale(1.08) rotate(-1deg);
}

.theme-neon .product-card .body {
  padding: 16px;
}

.theme-neon .product-card h3 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.theme-neon .product-card:hover h3 {
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.theme-neon .product-card .price {
  font-size: 22px;
  font-weight: 700;
  background: var(--pink-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 6px rgba(255, 0, 85, 0.3));
}

.theme-neon .product-card .compare {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: line-through;
  margin-left: 8px;
}

.theme-neon .product-card .category {
  display: inline-block;
  background: var(--accent-pink-dim);
  color: var(--accent-pink);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 4px;
  margin-top: 8px;
  border: 1px solid rgba(255, 0, 85, 0.2);
  text-shadow: 0 0 4px rgba(255, 0, 85, 0.3);
}

.theme-neon .product-card .stock {
  font-size: 12px;
  color: var(--accent-green);
  margin-top: 4px;
  text-shadow: 0 0 4px rgba(0, 255, 136, 0.3);
}

.theme-neon .product-card .btn {
  display: block;
  background: var(--pink-gradient);
  color: #ffffff;
  text-align: center;
  padding: 10px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 13px;
  margin-top: 12px;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  box-shadow: 0 2px 8px rgba(255, 0, 85, 0.3);
}

.theme-neon .product-card .btn::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.theme-neon .product-card .btn:hover {
  transform: scale(1.05);
  box-shadow: var(--neon-glow-pink);
}

.theme-neon .product-card .btn:hover::after {
  opacity: 1;
}

/* --- PRODUCT DETAIL PAGE --- */
.theme-neon .product-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.theme-neon .product-detail img {
  width: 100%;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-medium);
}

.theme-neon .product-detail img:hover {
  transform: scale(1.02);
  border-color: var(--accent-pink);
  box-shadow: var(--neon-glow-pink);
}

.theme-neon .product-detail .product-name {
  font-size: 24px;
  margin: 12px 0 8px;
  color: var(--text-primary);
  font-weight: 700;
}

.theme-neon .product-detail .product-price {
  font-size: 28px;
  font-weight: 700;
  background: var(--pink-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 8px rgba(255, 0, 85, 0.4));
  margin-bottom: 8px;
}

.theme-neon .product-detail .product-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.theme-neon .product-detail .features-section {
  list-style: none;
  padding: 0;
}

.theme-neon .product-detail .features-section li {
  padding: 8px 0;
  color: var(--text-primary);
  font-size: 13px;
  transition: all var(--transition-fast);
}

.theme-neon .product-detail .features-section li:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.theme-neon .product-detail .pipeline-status {
  margin-top: 24px;
  padding: 16px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.theme-neon .product-detail .pipeline-status::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-pink), var(--accent-purple), var(--accent-green));
}

.theme-neon .product-detail .pipeline-status h3 {
  font-size: 14px;
  background: linear-gradient(90deg, var(--accent-pink), var(--accent-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.theme-neon .product-detail .back-link {
  display: inline-block;
  margin-top: 24px;
  color: var(--accent-cyan);
  text-decoration: none;
  font-size: 14px;
  transition: all var(--transition-fast);
  text-shadow: 0 0 4px rgba(0, 204, 255, 0.3);
}

.theme-neon .product-detail .back-link:hover {
  color: var(--accent-pink);
  text-shadow: 0 0 8px rgba(255, 0, 85, 0.5);
  padding-left: 4px;
}

/* --- BUTTONS --- */
.theme-neon .btn-primary {
  display: inline-block;
  background: var(--pink-gradient);
  color: #ffffff;
  padding: 10px 24px;
  border-radius: 8px;
  border: none;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.3);
  box-shadow: 0 2px 8px rgba(255, 0, 85, 0.3);
}

.theme-neon .btn-primary:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: var(--neon-glow-pink);
}

.theme-neon .btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--accent-cyan);
  padding: 10px 24px;
  border-radius: 8px;
  border: 1px solid rgba(0, 204, 255, 0.4);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  text-shadow: 0 0 4px rgba(0, 204, 255, 0.2);
}

.theme-neon .btn-secondary:hover {
  border-color: var(--accent-cyan);
  box-shadow: var(--neon-glow-pink);
}

/* --- CATEGORY BADGES --- */
.theme-neon .category-badge {
  display: inline-block;
  background: var(--accent-pink-dim);
  color: var(--accent-pink);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 4px;
  border: 1px solid rgba(255, 0, 85, 0.2);
  text-shadow: 0 0 4px rgba(255, 0, 85, 0.3);
}

/* --- FOOTER --- */
.theme-neon .footer {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  font-size: 12px;
  border-top: 1px solid var(--border-subtle);
  margin-top: 48px;
}

/* --- DASHBOARD CARDS --- */
.theme-neon .dashboard-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-medium);
}

.theme-neon .dashboard-card:hover {
  border-color: var(--accent-purple);
  box-shadow: var(--neon-glow-purple);
}

.theme-neon .dashboard-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.theme-neon .dashboard-card .item-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.theme-neon .dashboard-card .item-row:last-child {
  border-bottom: none;
}

/* --- API REFERENCE BOX --- */
.theme-neon .api-ref {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

.theme-neon .api-ref code {
  display: block;
  font-size: 13px;
  color: var(--accent-green);
  text-shadow: 0 0 4px rgba(0, 255, 136, 0.2);
}

.theme-neon .api-ref .comment {
  color: var(--text-muted);
  font-size: 12px;
  margin-bottom: 8px;
}

/* --- EMPTY STATE --- */
.theme-neon .empty-state {
  text-align: center;
  padding: 64px 0;
  color: var(--text-muted);
}

.theme-neon .empty-state code {
  background: var(--bg-elevated);
  padding: 12px 16px;
  border-radius: 8px;
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  border: 1px solid var(--border-subtle);
}

/* --- RESPONSIVE --- */
@media (max-width: 600px) {
  .theme-neon .hero h2 { font-size: 24px; }
  .theme-neon .products-grid { grid-template-columns: 1fr 1fr; }
  .theme-neon .product-detail { grid-template-columns: 1fr; }
}