/* ===== ESDA TECH — DARK THEME STYLES v3.1 2026-08-18 ===== */

:root {
  --brand-blue:    #2563eb;
  --brand-light:   #3b82f6;
  --brand-bright:  #60a5fa;
  --brand-dark:    #1d4ed8;
  --bg-950:        #030712;
  --bg-900:        #0a0a0a;
  --bg-850:        #0d0d0d;
  --bg-800:        #111111;
  --bg-750:        #141414;
  --bg-700:        #1a1a1a;
  --bg-600:        #222222;
  --bg-500:        #2a2a2a;
  --bg-400:        #333333;
  --text-muted:    #9ca3af;
  --border-dim:    rgba(37,99,235,0.15);
  --border-bright: rgba(37,99,235,0.4);
}

/* ===== BASE ===== */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; background: #0d0d0d; }

body {
  background-color: #0d0d0d;
  color: #f1f5f9;
  font-family: 'Inter', system-ui, sans-serif;
}

/* Contenedor principal siempre oscuro */
#app-content {
  background-color: #0d0d0d;
  min-height: 100vh;
}

::selection {
  background: rgba(37,99,235,0.4);
  color: #fff;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-900); }
::-webkit-scrollbar-thumb { background: var(--brand-dark); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-blue); }

/* ===== GLOWING EFFECTS ===== */
.glow-blue { box-shadow: 0 0 20px rgba(37,99,235,0.4); }
.glow-blue-sm { box-shadow: 0 0 10px rgba(37,99,235,0.3); }
.glow-blue-lg { box-shadow: 0 0 40px rgba(37,99,235,0.5), 0 0 80px rgba(37,99,235,0.2); }

.text-glow {
  text-shadow: 0 0 20px rgba(96,165,250,0.6);
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, #60a5fa 0%, #2563eb 50%, #1d4ed8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-white {
  background: linear-gradient(135deg, #ffffff 0%, #93c5fd 50%, #60a5fa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: var(--brand-blue);
  color: white;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary:hover {
  background: var(--brand-dark);
  box-shadow: 0 0 20px rgba(37,99,235,0.5);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: transparent;
  color: var(--brand-light);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  border: 1px solid var(--brand-blue);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}
.btn-secondary:hover {
  background: rgba(37,99,235,0.15);
  box-shadow: 0 0 15px rgba(37,99,235,0.3);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: #9ca3af;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  border: 1px solid #374151;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-ghost:hover {
  background: var(--bg-600);
  color: white;
  border-color: #4b5563;
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: #f87171;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: 0.5rem;
  border: 1px solid #7f1d1d;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.btn-danger:hover { background: rgba(239,68,68,0.1); }

/* ===== CARDS ===== */
.card {
  background: var(--bg-800);
  border: 1px solid var(--border-dim);
  border-radius: 1rem;
  transition: all 0.3s ease;
  overflow: hidden;
}
.card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4), 0 0 20px rgba(37,99,235,0.15);
  transform: translateY(-2px);
}

/* ===== PRODUCT CARDS ===== */
.product-card {
  background: var(--bg-800);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 1rem;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  position: relative;
}
.product-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 24px rgba(37,99,235,0.2);
  transform: translateY(-4px);
}

.product-card .card-img-wrap {
  position: relative;
  overflow: hidden;
  background: var(--bg-750);
}
.product-card .card-img-wrap img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .card-img-wrap img {
  transform: scale(1.05);
}

.product-card .card-body {
  padding: 1rem;
}

.product-card .card-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: #f1f5f9;
  line-height: 1.4;
  margin-bottom: 0.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card .card-vendor {
  font-size: 0.75rem;
  color: var(--brand-bright);
  margin-bottom: 0.5rem;
}

.product-card .card-price {
  font-size: 1.125rem;
  font-weight: 800;
  color: #ffffff;
}
.product-card .card-price-old {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-decoration: line-through;
}

/* ===== BADGE / TAG ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.badge-blue    { background: rgba(37,99,235,0.2);  color: #93c5fd; border: 1px solid rgba(37,99,235,0.3); }
.badge-green   { background: rgba(22,163,74,0.2);  color: #86efac; border: 1px solid rgba(22,163,74,0.3); }
.badge-red     { background: rgba(220,38,38,0.2);  color: #fca5a5; border: 1px solid rgba(220,38,38,0.3); }
.badge-yellow  { background: rgba(234,179,8,0.2);  color: #fde047; border: 1px solid rgba(234,179,8,0.3); }
.badge-purple  { background: rgba(124,58,237,0.2); color: #c4b5fd; border: 1px solid rgba(124,58,237,0.3); }
.badge-orange  { background: rgba(234,88,12,0.2);  color: #fdba74; border: 1px solid rgba(234,88,12,0.3); }
.badge-gray    { background: rgba(75,85,99,0.3);   color: #d1d5db; border: 1px solid rgba(75,85,99,0.4); }

/* ===== FORMS ===== */
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--bg-700);
  border: 1px solid #374151;
  color: #f1f5f9;
  border-radius: 0.5rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: inherit;
}
.form-input::placeholder, .form-textarea::placeholder { color: #6b7280; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}
.form-input:disabled, .form-select:disabled { opacity: 0.5; cursor: not-allowed; }
.form-select option { background: var(--bg-700); color: #f1f5f9; }
.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #9ca3af;
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== HERO SECTION ===== */
.hero-section {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(37,99,235,0.12) 0%, transparent 60%),
              linear-gradient(180deg, var(--bg-950) 0%, var(--bg-850) 100%);
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(37,99,235,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(37,99,235,0.15) 0%, transparent 70%);
  pointer-events: none;
}

/* ===== SECTION DIVIDER ===== */
.section-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(37,99,235,0.4), transparent);
  margin: 0;
}

/* ===== STATS CARDS ===== */
.stat-card {
  background: var(--bg-800);
  border: 1px solid var(--border-dim);
  border-radius: 1rem;
  padding: 1.25rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-bright));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.stat-card:hover::before { opacity: 1; }
.stat-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3), 0 0 15px rgba(37,99,235,0.1);
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, #fff, #93c5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  background: rgba(37,99,235,0.15);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--brand-bright);
  border: 1px solid rgba(37,99,235,0.2);
}

/* ===== CATEGORY CARDS ===== */
.category-card {
  background: var(--bg-800);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 1rem;
  padding: 1.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.category-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-bright));
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.category-card:hover::after { transform: scaleX(1); }
.category-card:hover {
  background: var(--bg-700);
  border-color: var(--border-bright);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4), 0 0 16px rgba(37,99,235,0.15);
}
.category-card .cat-icon {
  width: 3.5rem;
  height: 3.5rem;
  background: rgba(37,99,235,0.15);
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--brand-bright);
  margin: 0 auto 0.75rem;
  border: 1px solid rgba(37,99,235,0.25);
  transition: all 0.3s ease;
}
.category-card:hover .cat-icon {
  background: rgba(37,99,235,0.3);
  box-shadow: 0 0 16px rgba(37,99,235,0.4);
}
.category-card .cat-name {
  font-weight: 700;
  font-size: 0.875rem;
  color: #f1f5f9;
}
.category-card .cat-count {
  font-size: 0.75rem;
  color: #6b7280;
  margin-top: 0.2rem;
}

/* ===== CART DRAWER ===== */
#cart-drawer.open {
  transform: translateX(0);
}

.cart-item {
  display: flex;
  gap: 0.75rem;
  padding: 0.75rem;
  background: var(--bg-700);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: 0.75rem;
  align-items: flex-start;
}
.cart-item img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 0.5rem;
  flex-shrink: 0;
}
.cart-item-info { flex: 1; min-width: 0; }
.cart-item-name {
  font-size: 0.8rem;
  font-weight: 600;
  color: #f1f5f9;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.cart-item-price { font-size: 0.875rem; font-weight: 700; color: var(--brand-bright); }

/* ===== TOAST ===== */
.toast {
  pointer-events: auto;
  min-width: 260px;
  max-width: 360px;
  padding: 0.875rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.625rem;
  animation: toastIn 0.35s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
}
.toast-success { background: #052e16; border: 1px solid #166534; color: #bbf7d0; }
.toast-error   { background: #1c0000; border: 1px solid #991b1b; color: #fecaca; }
.toast-info    { background: #0c1a4e; border: 1px solid #1e40af; color: #bfdbfe; }
.toast-warning { background: #1c1400; border: 1px solid #92400e; color: #fde68a; }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(100px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); max-height: 80px; margin-bottom: 8px; }
  to   { opacity: 0; transform: translateX(100px); max-height: 0; margin-bottom: 0; }
}
.toast.removing {
  animation: toastOut 0.3s ease forwards;
}

/* ===== MODAL ===== */
#modal-overlay.open {
  display: flex !important;
}

/* ===== ADMIN SIDEBAR ===== */
.admin-sidebar {
  background: var(--bg-900);
  border-right: 1px solid var(--border-dim);
  min-height: calc(100vh - 64px);
  width: 240px;
  flex-shrink: 0;
}
.admin-sidebar .sidebar-section-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #4b5563;
  padding: 1rem 1rem 0.375rem;
}
.admin-sidebar a {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  color: #9ca3af;
  border-radius: 0;
  transition: all 0.15s ease;
  cursor: pointer;
  text-decoration: none;
  border-left: 2px solid transparent;
}
.admin-sidebar a:hover {
  background: rgba(37,99,235,0.08);
  color: #e5e7eb;
  border-left-color: rgba(37,99,235,0.3);
}
.admin-sidebar a.active {
  background: rgba(37,99,235,0.12);
  color: var(--brand-bright);
  border-left-color: var(--brand-blue);
}

/* ===== DATA TABLES ===== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.data-table th {
  background: var(--bg-900);
  padding: 0.625rem 1rem;
  text-align: left;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #6b7280;
  border-bottom: 1px solid var(--border-dim);
  white-space: nowrap;
}
.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid rgba(255,255,255,0.03);
  color: #d1d5db;
  vertical-align: middle;
}
.data-table tr:hover td { background: rgba(37,99,235,0.04); }
.data-table tr:last-child td { border-bottom: none; }

/* ===== PAGINATION ===== */
.pagination {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  justify-content: center;
  padding: 1rem;
}
.pagination button {
  width: 36px;
  height: 36px;
  border-radius: 0.5rem;
  border: 1px solid #374151;
  background: transparent;
  color: #9ca3af;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}
.pagination button:hover { background: var(--bg-600); color: white; border-color: #4b5563; }
.pagination button.active { background: var(--brand-blue); border-color: var(--brand-blue); color: white; }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== PRODUCT FEATURE CARDS ===== */
.feature-card {
  background: var(--bg-800);
  border: 1px solid var(--border-dim);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: all 0.3s ease;
}
.feature-card:hover {
  border-color: var(--border-bright);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* ===== PRICE DISPLAY ===== */
.price-tag {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
}
.price-tag .currency { font-size: 0.9rem; font-weight: 600; color: #93c5fd; }
.price-tag-sm { font-size: 1rem; font-weight: 800; color: #fff; }
.price-original { font-size: 0.875rem; color: #6b7280; text-decoration: line-through; }
.price-discount-badge {
  background: rgba(34,197,94,0.15);
  color: #4ade80;
  border: 1px solid rgba(34,197,94,0.3);
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.7rem;
  font-weight: 700;
}

/* ===== SKELETON LOADER ===== */
.skeleton {
  background: linear-gradient(90deg, var(--bg-700) 25%, var(--bg-600) 50%, var(--bg-700) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s infinite;
  border-radius: 0.5rem;
}
@keyframes skeleton-pulse {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ===== SPINNER ===== */
.spinner {
  width: 2rem;
  height: 2rem;
  border: 3px solid rgba(37,99,235,0.2);
  border-top-color: var(--brand-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== SECTION TITLES ===== */
.section-title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.section-subtitle {
  color: #9ca3af;
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--bg-900);
  border-top: 1px solid var(--border-dim);
}
.footer-link {
  color: #9ca3af;
  font-size: 0.875rem;
  text-decoration: none;
  transition: color 0.2s;
}
.footer-link:hover { color: var(--brand-bright); }

/* ===== VENDOR STORE HEADER ===== */
.vendor-hero {
  background: linear-gradient(135deg, var(--bg-900) 0%, rgba(37,99,235,0.05) 100%);
  border-bottom: 1px solid var(--border-dim);
  padding: 3rem 0 2rem;
}
.vendor-avatar {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--brand-dark), var(--brand-blue));
  border-radius: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: white;
  flex-shrink: 0;
  border: 2px solid rgba(37,99,235,0.4);
  box-shadow: 0 0 20px rgba(37,99,235,0.3);
}

/* ===== CHECKOUT STEPS ===== */
.checkout-step {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
}
.checkout-step .step-num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
}
.checkout-step.active .step-num { background: var(--brand-blue); color: white; }
.checkout-step.done .step-num { background: #16a34a; color: white; }
.checkout-step.pending .step-num { background: var(--bg-600); color: #6b7280; }
.checkout-step.active .step-label { color: white; }
.checkout-step.pending .step-label { color: #6b7280; }
.checkout-step-line { flex: 1; height: 1px; background: var(--bg-500); margin: 0 0.25rem; }

/* ===== PAYMENT METHOD ICONS ===== */
.payment-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: var(--bg-700);
  border: 1px solid var(--border-dim);
  border-radius: 0.5rem;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  color: #d1d5db;
}

/* ===== ANIMATIONS ===== */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-12px); }
}

.animate-slide-up  { animation: slideUp 0.4s ease-out; }
.animate-fade-in   { animation: fadeIn 0.3s ease-out; }
.animate-float     { animation: float 6s ease-in-out infinite; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .admin-sidebar { display: none; }
  .hero-section { min-height: 80vh; }
  .product-card .card-img-wrap img { height: 180px; }
}

/* ===== UTILITY ===== */
.line-clamp-1 { display:-webkit-box; -webkit-line-clamp:1; -webkit-box-orient:vertical; overflow:hidden; }
.line-clamp-2 { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.line-clamp-3 { display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }

.divider-blue { height:1px; background: linear-gradient(90deg, transparent, rgba(37,99,235,0.5), transparent); }

/* ===== PRODUCT GALLERY ===== */
.thumb-grid {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(4, 1fr);
}
.thumb-img {
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.5rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s;
}
.thumb-img.active, .thumb-img:hover { border-color: var(--brand-blue); }

/* ===== SCROLL TO TOP ===== */
#scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 30;
  width: 44px;
  height: 44px;
  background: var(--brand-blue);
  color: white;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  box-shadow: 0 4px 16px rgba(37,99,235,0.5);
  transition: all 0.2s;
}
#scroll-top-btn:hover { background: var(--brand-dark); transform: translateY(-2px); }
#scroll-top-btn.visible { display: flex; }

/* ===== HERO PRODUCT CAROUSEL ===== */
.hero-product-img {
  border-radius: 1.25rem;
  object-fit: cover;
  box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 40px rgba(37,99,235,0.2);
  border: 1px solid rgba(37,99,235,0.2);
  transition: all 0.5s ease;
}

/* ===== NOTIFICATION DOT ===== */
.notif-dot {
  width: 8px;
  height: 8px;
  background: var(--brand-blue);
  border-radius: 50%;
  animation: pulseDot 2s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}