/* Theme Variables */
:root {
  --bg: #000000;
  --bg-soft: #0a0a0a;
  --text: #e6e9f5;
  --muted: #9aa3b2;
  --card: #000000;
  --border: #23284b;
  --accent: #ff4d4f;
  --accent-2: #ffd166;
  --gradient-start: #ff7e5f;
  --gradient-end: #feb47b;
  --glass-bg: rgba(255, 255, 255, 0.06);
  --glass-bg-2: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.14);
  --glass-blur: 12px;
  --shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Poppins', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

/* Scroll Progress */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--gradient-start), var(--gradient-end));
  z-index: 9999;
  transition: width 0.1s ease;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  transition: transform 0.3s ease;
}

.brand:hover {
  transform: scale(1.05);
}

.logo-mark {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  font-weight: 800;
  font-size: 14px;
}

.brand-text {
  letter-spacing: 0.3px;
  font-size: 18px;
}

.back-link {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  text-decoration: none;
  padding: 10px 18px;
  border-radius: 10px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}

.back-link:hover {
  color: var(--accent);
  background: rgba(255, 77, 79, 0.1);
  border-color: rgba(255, 77, 79, 0.3);
  transform: translateX(-4px);
}

/* Hero Section */
.hero {
  padding: 80px 0 60px;
  background: radial-gradient(circle at top right, rgba(255, 126, 95, 0.08), transparent 60%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 126, 95, 0.15), transparent);
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}

.gradient-text {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  font-weight: 500;
  color: var(--muted);
}

.hero-description {
  font-size: 18px;
  color: var(--muted);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.stat-number {
  font-size: 36px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 14px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Filter Section */
.filter-section {
  padding: 40px 0;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 69px;
  z-index: 999;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
}

.filter-bar {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-btn {
  padding: 10px 20px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 10px;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 77, 79, 0.1);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  border-color: transparent;
}

.search-bar {
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
}

.search-bar svg {
  position: absolute;
  left: 16px;
  color: var(--muted);
  pointer-events: none;
}

.search-bar input {
  width: 100%;
  padding: 14px 16px 14px 48px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 12px;
  font-family: 'Poppins', sans-serif;
  font-size: 15px;
  transition: all 0.3s ease;
}

.search-bar input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 77, 79, 0.1);
}

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

/* Banners Showcase */
.banners-showcase {
  padding: 60px 0 80px;
}

.banners-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr));
  gap: 32px;
}

/* Banner Card */
.banner-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.banner-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.45);
  border-color: rgba(255, 126, 95, 0.4);
}

.card-header {
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}

.category-badge {
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.category-badge.hero {
  background: rgba(59, 130, 246, 0.2);
  color: #60a5fa;
}

.category-badge.cta {
  background: rgba(16, 185, 129, 0.2);
  color: #34d399;
}

.category-badge.promo {
  background: rgba(251, 146, 60, 0.2);
  color: #fb923c;
}

.category-badge.announcement {
  background: rgba(168, 85, 247, 0.2);
  color: #c084fc;
}

.category-badge.gradient {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
}

.category-badge.minimal {
  background: rgba(148, 163, 184, 0.2);
  color: #cbd5e1;
}

.preview-area {
  padding: 40px 20px;
  background: var(--bg-soft);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 250px;
  position: relative;
  overflow: hidden;
}

.preview-area.light-bg {
  background: linear-gradient(135deg, #f0f4f8, #e2e8f0);
}

.preview-area.dark-bg {
  background: #0a0a0a;
}

.preview-area.gradient-bg {
  background: linear-gradient(135deg, rgba(255, 126, 95, 0.15), rgba(254, 180, 123, 0.15));
}

/* Code Section */
.code-actions {
  padding: 16px 20px;
  display: flex;
  gap: 10px;
  border-top: 1px solid var(--border);
  background: rgba(10, 10, 10, 0.5);
}

.action-btn {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 13px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s ease;
}

.action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(255, 77, 79, 0.1);
  transform: translateY(-2px);
}

.action-btn.primary {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  border-color: transparent;
  color: #fff;
}

.action-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 126, 95, 0.35);
}

.code-container {
  padding: 0 20px 20px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.code-block {
  background: #0a0a0a;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-top: 12px;
  overflow-x: auto;
}

.code-block pre {
  margin: 0;
  font-family: 'Fira Code', 'Consolas', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: #e6e9f5;
}

.code-block code {
  display: block;
  white-space: pre;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: -80px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: #fff;
  padding: 16px 28px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  box-shadow: 0 12px 36px rgba(255, 126, 95, 0.45);
  transition: bottom 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 10000;
}

.toast.show {
  bottom: 40px;
}

/* Footer */
.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  background: var(--bg-soft);
}

.footer p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 8px;
}

.footer-note {
  font-size: 13px;
  color: var(--muted);
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 60px 0 40px;
  }
  
  .hero-stats {
    gap: 40px;
  }
  
  .filter-bar {
    gap: 8px;
  }
  
  .filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
  
  .banners-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  
  .code-actions {
    flex-direction: column;
  }
  
  .action-btn {
    width: 100%;
  }
  
  .preview-area {
    padding: 30px 15px;
    min-height: 200px;
  }
}

@media (max-width: 480px) {
  .stat-number {
    font-size: 28px;
  }
  
  .stat-label {
    font-size: 12px;
  }
  
  .hero-description {
    font-size: 16px;
  }
}