/* PlugFly — Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-primary: #080b14;
  --bg-secondary: #0d1117;
  --bg-card: #111827;
  --bg-card-hover: #1a2234;
  --bg-input: #0d1117;

  --neon-purple: #8b5cf6;
  --neon-blue: #3b82f6;
  --neon-cyan: #06b6d4;
  --neon-green: #10b981;
  --neon-pink: #ec4899;

  --accent: #8b5cf6;
  --accent-hover: #7c3aed;
  --accent-glow: rgba(139, 92, 246, 0.4);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #475569;

  --border: rgba(255,255,255,0.07);
  --border-accent: rgba(139,92,246,0.4);

  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-neon: 0 0 30px var(--accent-glow);

  --transition: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--neon-cyan); }

img { max-width: 100%; height: auto; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: 1.4rem; }

/* ===== CONTAINER ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 20px; }

/* ===== NAVBAR ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8,11,20,0.92);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 0;
}

.navbar-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 68px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-primary);
  white-space: nowrap;
}

.navbar-logo span {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-logo svg { width: 32px; height: 32px; }

.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
  margin-left: 8px;
}

.navbar-nav a {
  display: block;
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.06);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.navbar-search {
  position: relative;
}

.navbar-search input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 16px 8px 38px;
  border-radius: 20px;
  font-size: 0.875rem;
  width: 200px;
  transition: var(--transition);
  outline: none;
}

.navbar-search input:focus {
  border-color: var(--accent);
  width: 260px;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.navbar-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.btn-cart {
  position: relative;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-cart:hover { border-color: var(--accent); color: var(--accent); }

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--accent);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
  color: white;
  box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px var(--accent-glow);
  color: white;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border-accent);
  color: var(--accent);
}

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

.btn-ghost {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.btn-danger { background: linear-gradient(135deg, #ef4444, #dc2626); color: white; }
.btn-success { background: linear-gradient(135deg, var(--neon-green), #059669); color: white; }

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 30px; font-size: 1rem; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }

/* ===== HERO / BANNER ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 100px 0 80px;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(139,92,246,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(139,92,246,0.15);
  border: 1px solid rgba(139,92,246,0.3);
  color: var(--neon-purple);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}

.hero h1 {
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, rgba(139,92,246,0.9) 50%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.hero-stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }

/* ===== SECTION ===== */
.section { padding: 70px 0; }
.section-sm { padding: 40px 0; }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 12px;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 800;
}

.section-title span {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-neon), var(--shadow);
}

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

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.product-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.5), 0 0 40px var(--accent-glow);
}

.product-card-image {
  position: relative;
  height: 180px;
  background: linear-gradient(135deg, #1a2234, #0d1117);
  overflow: hidden;
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-card-image img { transform: scale(1.05); }

.product-card-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 3rem;
}

.product-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge-new { background: var(--neon-green); color: #fff; }
.badge-hot { background: var(--neon-pink); color: #fff; }
.badge-sale { background: var(--neon-purple); color: #fff; }

.product-card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-category {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.product-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex: 1;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.product-price {
  display: flex;
  flex-direction: column;
}

.price-current {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-old {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.8rem;
  color: #f59e0b;
}

/* ===== CATEGORIES ===== */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 14px;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: block;
}

.category-card:hover {
  border-color: var(--accent);
  background: rgba(139,92,246,0.1);
  transform: translateY(-3px);
}

.category-icon { font-size: 2rem; margin-bottom: 10px; }
.category-name { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); }
.category-count { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 18px; }

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

select.form-control { cursor: pointer; }

/* ===== ALERTS ===== */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.875rem;
  margin-bottom: 16px;
  border: 1px solid;
}

.alert-success { background: rgba(16,185,129,0.1); border-color: var(--neon-green); color: #6ee7b7; }
.alert-error { background: rgba(239,68,68,0.1); border-color: #ef4444; color: #fca5a5; }
.alert-warning { background: rgba(245,158,11,0.1); border-color: #f59e0b; color: #fcd34d; }
.alert-info { background: rgba(59,130,246,0.1); border-color: var(--neon-blue); color: #93c5fd; }

/* ===== TOAST ===== */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 20px;
  font-size: 0.875rem;
  max-width: 320px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease;
  box-shadow: var(--shadow);
}

.toast-success { border-color: var(--neon-green); }
.toast-error { border-color: #ef4444; }

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.badge-purple { background: rgba(139,92,246,0.2); color: var(--neon-purple); }
.badge-green { background: rgba(16,185,129,0.2); color: var(--neon-green); }
.badge-blue { background: rgba(59,130,246,0.2); color: var(--neon-blue); }
.badge-red { background: rgba(239,68,68,0.2); color: #ef4444; }
.badge-gray { background: rgba(100,116,139,0.2); color: var(--text-secondary); }

/* ===== TABS ===== */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }

.tab-btn {
  padding: 10px 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: var(--transition);
  font-family: inherit;
}

.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-btn:hover:not(.active) { color: var(--text-primary); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand { }
.footer-logo {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 12px;
}

.footer-logo span {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-desc { font-size: 0.85rem; color: var(--text-secondary); max-width: 260px; line-height: 1.6; }

.footer-links h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 14px;
}

.footer-links ul { list-style: none; }
.footer-links li { margin-bottom: 8px; }
.footer-links a { color: var(--text-muted); font-size: 0.875rem; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 40px;
}

.page-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.page-btn:hover, .page-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* ===== MODAL ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.show { opacity: 1; pointer-events: all; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 30px;
  transform: translateY(20px);
  transition: transform 0.3s;
}

.modal-overlay.show .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.modal-title { font-size: 1.2rem; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 4px;
  transition: var(--transition);
}

.modal-close:hover { color: var(--text-primary); }

/* ===== BREADCRUMBS ===== */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 16px 0;
}

.breadcrumbs a { color: var(--text-muted); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumbs .sep { opacity: 0.4; }
.breadcrumbs .current { color: var(--text-secondary); }

/* ===== GLOWING DIVIDER ===== */
.glow-divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--accent), transparent);
  margin: 40px 0;
  opacity: 0.4;
}

/* ===== FEATURES ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover { border-color: var(--border-accent); }

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.feature-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* ===== LOADER ===== */
.loader {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== SKELETON ===== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 6px;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .navbar-nav { display: none; }
  .navbar-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0; right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 10px;
    gap: 2px;
  }
  .hamburger { display: flex; }
  .navbar-search { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .hero { padding: 60px 0 50px; }
  .hero-stats { gap: 24px; }
  .products-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .categories-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-actions { flex-direction: column; align-items: center; }
}