:root {
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-light: #818cf8;
  --accent: #6366f1;
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --vip-gold: #fbbf24;
  --vip-amber: #d97706;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
  --radius: 0.75rem;
  --radius-lg: 1rem;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4, .font-heading { font-family: 'Outfit', sans-serif; font-weight: 600; }

/* Scrollbar */
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }
.scrollbar-thin::-webkit-scrollbar { width: 6px; height: 6px; }
.scrollbar-thin::-webkit-scrollbar-track { background: var(--bg); border-radius: 10px; }
.scrollbar-thin::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 10px; }
.scrollbar-thin::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.625rem 1.25rem; font-size: 0.875rem; font-weight: 500; border-radius: var(--radius); transition: var(--transition); cursor: pointer; border: none; text-decoration: none; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-secondary { background: white; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--bg); border-color: var(--primary-light); }
.btn-ghost { background: transparent; color: var(--text-muted); }
.btn-ghost:hover { background: var(--bg); color: var(--text); }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }
.btn-sm { padding: 0.375rem 0.875rem; font-size: 0.75rem; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Cards */
.card { background: var(--bg-card); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: var(--transition); }
.card-hover:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }

/* Form Elements */
.form-input { width: 100%; padding: 0.75rem 1rem; font-size: 0.875rem; border: 1px solid var(--border); border-radius: var(--radius); background: white; transition: var(--transition); }
.form-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1); }
.form-input::placeholder { color: var(--text-muted); }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; color: var(--text); margin-bottom: 0.5rem; }
.form-group { margin-bottom: 1.25rem; }

/* Alerts */
.alert { padding: 1rem; border-radius: var(--radius); font-size: 0.875rem; display: flex; align-items: flex-start; gap: 0.75rem; }
.alert-success { background: #ecfdf5; border: 1px solid #a7f3d0; color: #065f46; }
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.alert-info { background: #eef2ff; border: 1px solid #c7d2fe; color: #3730a3; }

/* VIP Card */
.item-card-vip { position: relative; background: linear-gradient(135deg, #fef3c7, #fde68a, #fcd34d, #fbbf24) !important; border: 2px solid var(--vip-amber) !important; box-shadow: 0 0 20px rgba(245, 158, 11, 0.4), 0 8px 32px rgba(217, 119, 6, 0.2) !important; animation: vipGlow 2.5s ease-in-out infinite alternate !important; }
.item-card-vip:hover { box-shadow: 0 0 30px rgba(245, 158, 11, 0.6), 0 12px 40px rgba(217, 119, 6, 0.3) !important; transform: translateY(-3px); }
@keyframes vipGlow { from { box-shadow: 0 0 15px rgba(245, 158, 11, 0.3), 0 6px 24px rgba(217, 119, 6, 0.15); } to { box-shadow: 0 0 25px rgba(245, 158, 11, 0.5), 0 10px 36px rgba(217, 119, 6, 0.25); } }

.vip-badge { position: absolute; top: 0.75rem; right: 0.75rem; background: linear-gradient(135deg, #dc2626, #b91c1c); color: white !important; font-size: 0.65rem; font-weight: 700; padding: 0.25rem 0.625rem; border-radius: 9999px; text-transform: uppercase; letter-spacing: 0.5px; box-shadow: 0 2px 8px rgba(185, 28, 28, 0.5); z-index: 10; }
.vip-badge-inline { display: inline-flex; align-items: center; gap: 0.25rem; background: linear-gradient(135deg, #dc2626, #b91c1c); color: white; font-size: 0.65rem; font-weight: 700; padding: 0.25rem 0.625rem; border-radius: 9999px; text-transform: uppercase; }

/* Platform Badges */
.badge { display: inline-flex; align-items: center; padding: 0.25rem 0.75rem; font-size: 0.75rem; font-weight: 500; border-radius: 9999px; }
.badge-whatsapp { background: #dcfce7; color: #166534; }
.badge-telegram { background: #dbeafe; color: #1e40af; }
.badge-discord { background: #e0e7ff; color: #3730a3; }
.badge-instagram { background: #fce7f3; color: #9d174d; }
.badge-youtube { background: #fee2e2; color: #991b1b; }
.badge-tiktok { background: #1f2937; color: white; }
.badge-default { background: var(--bg); color: var(--text-muted); }

/* Item Card */
.item-card { display: block; background: white; border-radius: var(--radius-lg); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); text-decoration: none; }
.item-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-xl); border-color: var(--primary-light); }
.item-card-header { display: flex; align-items: flex-start; gap: 1rem; padding: 1.25rem; }
.item-card-avatar { width: 4rem; height: 4rem; border-radius: 9999px; object-fit: cover; border: 3px solid var(--bg); flex-shrink: 0; }
.item-card-content { flex: 1; min-width: 0; }
.item-card-title { font-size: 1.125rem; font-weight: 600; color: var(--text); margin-bottom: 0.375rem; transition: var(--transition); line-clamp: 2; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.item-card:hover .item-card-title { color: var(--primary); }
.item-card-desc { font-size: 0.875rem; color: var(--text-muted); line-clamp: 3; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.item-card-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--border); font-size: 0.75rem; color: var(--text-muted); display: flex; justify-content: space-between; align-items: center; }

/* Search */
.search-container { position: relative; max-width: 36rem; }
.search-input { width: 100%; padding: 0.875rem 1rem 0.875rem 3rem; font-size: 0.9375rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: white; transition: var(--transition); }
.search-input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1); }
.search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.search-clear { position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); cursor: pointer; opacity: 0; transition: var(--transition); }
.search-input:not(:placeholder-shown) + .search-clear { opacity: 1; }
.search-clear:hover { color: var(--text); }

/* Navigation */
.nav { background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.nav-link { padding: 0.5rem 0.75rem; font-size: 0.875rem; font-weight: 500; color: var(--text-muted); border-radius: var(--radius); transition: var(--transition); }
.nav-link:hover { background: var(--bg); color: var(--primary); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu { position: absolute; top: 100%; left: 0; margin-top: 0.5rem; background: white; border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-xl); min-width: 16rem; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: var(--transition); z-index: 50; }
.dropdown.active .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem 1rem; font-size: 0.875rem; color: var(--text); transition: var(--transition); }
.dropdown-item:hover { background: var(--bg); color: var(--primary); }

/* Pagination */
.pagination { display: flex; align-items: center; gap: 0.25rem; }
.pagination-btn { padding: 0.5rem 0.875rem; font-size: 0.875rem; font-weight: 500; border: 1px solid var(--border); background: white; color: var(--text-muted); border-radius: var(--radius); transition: var(--transition); }
.pagination-btn:hover { background: var(--bg); border-color: var(--primary-light); color: var(--primary); }
.pagination-btn.active { background: var(--primary); border-color: var(--primary); color: white; }
.pagination-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Toast */
.toast { position: fixed; top: 1rem; right: 1rem; z-index: 100; padding: 1rem 1.25rem; background: white; border-radius: var(--radius); box-shadow: var(--shadow-xl); border-left: 4px solid var(--primary); transform: translateX(calc(100% + 2rem)); transition: transform 0.3s ease; }
.toast.show { transform: translateX(0); }
.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--error); }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); z-index: 60; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal-backdrop.active { opacity: 1; visibility: visible; }
.modal { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.95); background: white; border-radius: var(--radius-lg); box-shadow: var(--shadow-xl); max-width: 28rem; width: calc(100% - 2rem); max-height: calc(100vh - 4rem); overflow: auto; z-index: 61; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal.active { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

/* Animations */
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(-10px); } to { opacity: 1; transform: translateX(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.animate-fadeIn { animation: fadeIn 0.3s ease-out; }
.animate-slideIn { animation: slideIn 0.3s ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-spin { animation: spin 1s linear infinite; }

/* FAQ Accordion */
.faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: white; overflow: hidden; margin-bottom: 0.5rem; }
.faq-trigger { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 1rem 1.25rem; font-size: 0.9375rem; font-weight: 500; color: var(--text); text-align: left; cursor: pointer; transition: var(--transition); background: none; border: none; }
.faq-trigger:hover { background: var(--bg); }
.faq-icon { flex-shrink: 0; margin-left: 0.75rem; transition: transform 0.2s ease; }
.faq-item[open] .faq-icon { transform: rotate(180deg); }
.faq-content { padding: 0 1.25rem 1rem; font-size: 0.875rem; color: var(--text-muted); line-height: 1.7; border-top: 1px solid var(--border); }

/* Gradient Sections */
.gradient-primary { background: linear-gradient(135deg, var(--primary), #7c3aed); }
.gradient-cta { background: linear-gradient(135deg, var(--primary), #8b5cf6, #a855f7); }
.gradient-vip { background: linear-gradient(135deg, #f59e0b, #ea580c); }

/* Utility Classes */
.line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

/* Responsive */
@media (max-width: 640px) {
  .item-card-avatar { width: 3rem; height: 3rem; }
  .item-card-header { padding: 1rem; gap: 0.75rem; }
  .item-card-title { font-size: 1rem; }
  .item-card-footer { padding: 0.875rem 1rem; flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}