/* FileSell Pro - Modern Minimal Professional UI - Mobile First - No CDN */
/* فونت فارسی - سیستم فونت */
@font-face {
  font-family: 'Vazirmatn';
  src: local('Vazirmatn'), local('IRANSans'), local('Tahoma');
  font-weight: 400;
  font-display: swap;
}
:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --primary-light: #a5b4fc;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0,0,0,0.05), 0 10px 30px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --bg-soft: #1e293b;
    --bg-card: #1e293b;
    --text: #f1f5f9;
    --text-muted: #94a3b8;
    --border: #334155;
  }
}
.dark-mode {
  --bg: #0f172a;
  --bg-soft: #1e293b;
  --bg-card: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --border: #334155;
}
.light-mode {
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-card: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:15px}
body{
  font-family: 'Vazirmatn', 'IRANSans', Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  direction: rtl;
  text-align: right;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: var(--transition);
}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 20px;width:100%}
.flex{display:flex}.grid{display:grid}.hidden{display:none!important}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-sm);border:none;cursor:pointer;
  font-weight:600;font-size:14px;transition:var(--transition);white-space:nowrap;
  background: var(--primary);color:#fff;box-shadow:0 4px 14px rgba(99,102,241,0.3);
}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(99,102,241,0.35);background:var(--primary-dark)}
.btn-secondary{background:var(--bg-soft);color:var(--text);box-shadow:none;border:1px solid var(--border)}
.btn-secondary:hover{background:var(--border)}
.btn-success{background:var(--success);box-shadow:0 4px 14px rgba(16,185,129,0.3)}
.btn-danger{background:var(--danger);box-shadow:0 4px 14px rgba(239,68,68,0.3)}
.btn-lg{padding:14px 28px;font-size:15px;border-radius:12px}
.btn-sm{padding:8px 14px;font-size:12px}
.card{
  background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:var(--transition);overflow:hidden;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}
.card-body{padding:20px}
.badge{
  display:inline-flex;padding:4px 10px;border-radius:20px;font-size:11px;font-weight:700;
  background:var(--bg-soft);color:var(--text-muted);border:1px solid var(--border)
}
.badge-primary{background:#eef2ff;color:var(--primary);border-color:var(--primary-light)}
.badge-success{background:#ecfdf5;color:var(--success)}
.badge-warning{background:#fffbeb;color:var(--warning)}
/* Header */
.header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.8);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);transition:var(--transition)
}
.dark-mode .header,.dark .header{background:rgba(15,23,42,0.8)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:20px;color:var(--text)}
.logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:900}
.nav{display:flex;gap:6px;align-items:center}
.nav a{padding:8px 14px;border-radius:10px;color:var(--text-muted);font-weight:500;font-size:14px}
.nav a:hover,.nav a.active{background:var(--bg-soft);color:var(--text)}
.header-actions{display:flex;align-items:center;gap:10px}
.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--danger);color:#fff;width:18px;height:18px;border-radius:50%;font-size:10px;display:grid;place-items:center;font-weight:700}
.icon-btn{width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);display:grid;place-items:center;cursor:pointer;transition:var(--transition);position:relative}
.icon-btn:hover{background:var(--bg-soft)}
/* Mobile Menu */
.mobile-menu-btn{display:none}
@media(max-width:900px){
  .nav{display:none}.mobile-menu-btn{display:grid}
  .container{padding:0 16px}
}
/* Hero */
.hero{padding:60px 0 40px;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(600px circle at 20% 10%, rgba(99,102,241,0.12), transparent 60%), radial-gradient(800px circle at 80% 80%, rgba(139,92,246,0.08), transparent 60%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.2fr 0.8fr;gap:40px;align-items:center;position:relative}
@media(max-width:900px){.hero-grid{grid-template-columns:1fr}.hero{padding:30px 0}}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.2;font-weight:900;letter-spacing:-0.02em;margin-bottom:16px}
.hero h1 span{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero p{color:var(--text-muted);font-size:17px;margin-bottom:28px;max-width:600px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.stats-bar{display:flex;gap:32px;margin-top:40px;padding-top:32px;border-top:1px solid var(--border);flex-wrap:wrap}
.stat strong{font-size:28px;display:block;line-height:1}
.stat span{color:var(--text-muted);font-size:13px}
/* Product Card */
.products-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}
.product-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--bg-card);border:1px solid var(--border);transition:var(--transition)}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.product-thumb{aspect-ratio:16/10;background:var(--bg-soft);position:relative;overflow:hidden}
.product-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.6s}
.product-card:hover .product-thumb img{transform:scale(1.05)}
.product-badges{position:absolute;top:12px;right:12px;display:flex;gap:6px;flex-direction:column;align-items:flex-start}
.product-body{padding:18px}
.product-title{font-weight:700;font-size:16px;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.product-meta{display:flex;align-items:center;justify-content:space-between;margin-top:14px}
.price{display:flex;align-items:baseline;gap:8px}
.price-current{font-weight:800;font-size:18px;color:var(--text)}
.price-old{font-size:13px;color:var(--text-muted);text-decoration:line-through}
.discount-badge{background:var(--danger);color:#fff;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:800}
/* Skeleton */
.skeleton{background:linear-gradient(90deg,var(--bg-soft) 25%, var(--border) 50%, var(--bg-soft) 75%);background-size:200% 100%;animation:shimmer 1.2s infinite;border-radius:8px}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
.skeleton-card{padding:0}.skeleton-thumb{aspect-ratio:16/10}.skeleton-line{height:14px;margin:8px 18px}.skeleton-line.short{width:60%}
/* Forms */
.form-group{margin-bottom:18px}
.label{display:block;margin-bottom:8px;font-weight:600;font-size:13px;color:var(--text)}
.input{width:100%;padding:12px 16px;border-radius:12px;border:1px solid var(--border);background:var(--bg);color:var(--text);font-family:inherit;font-size:14px;transition:var(--transition);outline:none}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(99,102,241,0.12)}
.textarea{min-height:120px;resize:vertical}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:left 16px center;padding-left:44px}
/* Alert / Toast */
.alert{padding:14px 18px;border-radius:12px;font-size:14px;margin-bottom:16px;border:1px solid;display:flex;gap:12px;align-items:flex-start}
.alert-success{background:#ecfdf5;color:#065f46;border-color:#a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.alert-warning{background:#fffbeb;color:#92400e;border-color:#fde68a}
.toast-container{position:fixed;bottom:24px;right:24px;left:24px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none}
@media(min-width:640px){.toast-container{left:auto;max-width:400px}}
.toast{background:var(--text);color:var(--bg);padding:14px 18px;border-radius:12px;box-shadow:var(--shadow-lg);font-size:14px;font-weight:500;animation:slideUp 0.35s cubic-bezier(0.16,1,0.3,1);pointer-events:auto;display:flex;align-items:center;gap:12px}
.toast.success{background:var(--success)} .toast.error{background:var(--danger)} .toast.warning{background:var(--warning);color:#000}
@keyframes slideUp{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}
/* Pagination */
.pagination{display:flex;gap:6px;justify-content:center;margin-top:40px;flex-wrap:wrap}
.pagination a,.pagination span{width:40px;height:40px;display:grid;place-items:center;border-radius:10px;border:1px solid var(--border);background:var(--bg-card);font-weight:600;font-size:14px;transition:var(--transition)}
.pagination a:hover{background:var(--bg-soft)} .pagination .active{background:var(--primary);color:#fff;border-color:var(--primary)}
/* Footer */
.footer{background:var(--bg-soft);border-top:1px solid var(--border);padding:60px 0 30px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}}
.footer h4{font-size:14px;font-weight:800;margin-bottom:18px;text-transform:uppercase;letter-spacing:0.05em}
.footer links{display:flex;flex-direction:column;gap:10px}
.footer a{color:var(--text-muted);font-size:14px}.footer a:hover{color:var(--text)}
/* Utilities */
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state h3{color:var(--text);margin:12px 0 8px}
.divider{height:1px;background:var(--border);margin:24px 0}
.lazy{opacity:0;transition:opacity 0.5s}.lazy.loaded{opacity:1}
/* Dark Mode Toggle */
.theme-toggle{width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--bg-card);cursor:pointer;display:grid;place-items:center}
/* PWA */
.pwa-install{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:12px 20px;border-radius:50px;display:flex;gap:12px;align-items:center;box-shadow:var(--shadow-lg);z-index:90;animation:slideUp 0.4s}
/* Admin */
.admin-layout{display:flex;min-height:100vh}
.admin-sidebar{width:280px;background:var(--bg-card);border-left:1px solid var(--border);padding:24px;position:sticky;top:0;height:100vh;overflow:auto}
.admin-main{flex:1;background:var(--bg-soft);min-width:0}
.admin-header{height:70px;background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:10}
@media(max-width:900px){.admin-sidebar{display:none}.admin-sidebar.open{display:block;position:fixed;inset:0;width:80%;z-index:200}}
.table-wrap{overflow:auto;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card)}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th{padding:14px 18px;text-align:right;background:var(--bg-soft);font-weight:700;color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:0.05em;white-space:nowrap}
.table td{padding:14px 18px;border-top:1px solid var(--border);vertical-align:middle}
.table tr:hover td{background:rgba(99,102,241,0.02)}
/* RTL Fixes */
.ltr{direction:ltr;text-align:left}
/* Print */
@media print{.header,.footer,.admin-sidebar{display:none}}
/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.animate-in{animation:fadeIn 0.5s cubic-bezier(0.16,1,0.3,1)}