:root{--brand: #3cd070;--brand-dark: #2fae5c;--text: #1f2937;--muted: #6b7280;--border: #e5e7eb;--bg: #f7f9fb;--radius: 12px;--shadow: 0 2px 10px rgba(17, 24, 39, .06);--shadow-lg: 0 10px 30px rgba(17, 24, 39, .1);font-family:Vazirmatn,Tahoma,Arial,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--text);direction:rtl;font-size:15px;line-height:1.7;overflow-x:hidden}h1,h2,h3{line-height:1.35}img{max-width:100%}a{color:inherit;text-decoration:none}.container{max-width:1160px;margin:0 auto;padding:0 20px}@media (max-width: 600px){.container{padding:0 16px}}.site-header{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:30}.nav-inner{position:relative;display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;z-index:2}.brand-badge{width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:900;flex-shrink:0}.main-nav{display:flex;gap:14px;align-items:center;justify-content:space-between;flex:1;min-width:0}.main-nav-center{display:flex;align-items:center;justify-content:center;gap:20px;flex:1}.main-nav-center a{padding:6px 2px;border-bottom:2px solid transparent;font-weight:600;color:var(--text);transition:color .15s ease}.main-nav-center a.active{color:var(--brand-dark);border-bottom-color:var(--brand)}.main-nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.nav-action-link,.nav-action-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border:1px solid var(--border);border-radius:999px;background:#fff;color:var(--text);font-size:13px;line-height:1}.nav-action-link.active{border-color:#3cd07059;background:#f2fff7;color:var(--brand-dark)}.nav-action-btn{cursor:pointer;font-family:inherit}.nav-action-btn:hover,.nav-action-link:hover{border-color:#cfd4dd}.nav-login-link{color:#fff;background:var(--brand);border-color:var(--brand)}.nav-login-link:hover{background:var(--brand-dark);border-color:var(--brand-dark)}.nav-admin-link{color:var(--brand-dark);border-color:#3cd07059}.nav-icon{display:inline-flex;align-items:center;justify-content:center}.nav-icon svg{width:16px;height:16px}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;background:var(--brand);color:#fff;border-radius:999px;font-size:11px;padding:0 6px}.nav-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:40px;height:40px;border:none;background:transparent;cursor:pointer;padding:0;z-index:2}.nav-toggle span{display:block;width:22px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.nav-toggle.is-open span:nth-child(2){opacity:0}.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.nav-backdrop{position:fixed;top:64px;right:0;bottom:0;left:0;background:#11182759;z-index:1}@media (max-width: 860px){.nav-toggle{display:flex}.main-nav{position:absolute;top:100%;inset-inline:0;background:#fff;flex-direction:column;align-items:stretch;gap:4px;padding:10px 16px 18px;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;transition:transform .18s ease,opacity .18s ease;z-index:2;justify-content:flex-start}.main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}.main-nav-center,.main-nav-actions{flex-direction:column;align-items:stretch;width:100%;gap:6px}.main-nav-center a{padding:12px 6px;border-bottom:1px solid var(--border);border-radius:0;border-inline:none;border-top:none;font-size:15px}.main-nav-center a.active{background:#f2fff7;border-bottom-color:var(--border)}.main-nav-actions{margin-top:8px}.main-nav-actions .nav-action-link,.main-nav-actions .nav-action-btn{width:100%;justify-content:flex-start;border-radius:10px;padding:12px 10px}.main-nav-actions .badge{margin-inline-start:auto}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:11px 18px;min-height:44px;font-size:14px;cursor:pointer;background:transparent;font-family:inherit;transition:background .15s ease,transform .05s ease,opacity .15s ease}.btn:active{transform:scale(.98)}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-outline{border-color:var(--brand);color:var(--brand-dark)}.btn-ghost{color:var(--muted)}.btn-block{width:100%;margin-top:8px}.btn:disabled{opacity:.6;cursor:not-allowed}.hero{background:linear-gradient(135deg,#eafff2,#f7f9fb);padding:60px 0}.hero-inner h1{font-size:clamp(24px,5vw,34px);margin:10px 0}.hero-inner p{color:var(--muted);max-width:640px}.eyebrow{color:var(--brand-dark);font-weight:700}.hero-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}@media (max-width: 600px){.hero{padding:36px 0}.hero-actions{flex-direction:column}.hero-actions .btn{width:100%}}.section{padding:40px 0}.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:20px}@media (max-width: 600px){.section{padding:28px 0}.section-head 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8px;border-radius:999px}.card-body{padding:14px;display:flex;flex-direction:column;gap:6px;flex:1}.card-title{font-weight:700;font-size:15px}.card-desc{color:var(--muted);font-size:13px;flex:1;margin:0;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.old-price{color:var(--muted);text-decoration:line-through;font-size:12px}.price{font-weight:800;color:var(--brand-dark)}.detail-price{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.detail-old-price{color:#e53935;text-decoration:line-through;font-size:17px;font-weight:700}.detail-price-value{font-weight:900;color:var(--brand-dark);font-size:20px}@media (max-width: 600px){.card-body{padding:10px;gap:4px}.card-title{font-size:13.5px}.card-desc{font-size:12px}.card-body .btn{padding:9px 12px;font-size:13px;min-height:38px}}.filters{display:flex;gap:12px;margin-bottom:20px;flex-wrap:wrap}.filters .input{flex:1;min-width:160px}.input{border:1px solid var(--border);border-radius:8px;padding:11px 12px;font-size:15px;font-family:inherit;width:100%;background:#fff;min-height:44px}label{font-size:13px;color:var(--muted);margin-top:10px;display:block}@media (max-width: 600px){.filters{flex-direction:column}.filters .input{width:100%}}.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden}.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:right;font-size:14px}.qty-input{width:70px}.row-actions{display:flex;gap:8px}@media (max-width: 700px){.table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.table th,.table td{white-space:nowrap}}.cart-summary{display:flex;justify-content:space-between;align-items:center;margin-top:16px;font-size:16px;flex-wrap:wrap;gap:10px}.checkout-summary{list-style:none;padding:0}.checkout-summary li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border)}.empty-state{text-align:center;padding:60px 16px}.auth-page{max-width:420px;margin:40px auto;background:#fff;padding:28px;border-radius:12px;border:1px solid var(--border)}.error{color:#d92d20;font-size:13px}.success{color:#067647;font-size:13px}.hint{color:var(--muted);font-size:13px}.otp-inputs{display:flex;justify-content:center;gap:8px;margin-top:8px}.otp-box{width:48px;height:52px;border:1px solid var(--border);border-radius:10px;text-align:center;font-size:24px;font-weight:800;line-height:1;background:#fff;outline:none;transition:border-color .15s ease,box-shadow .15s ease,transform .06s ease}.otp-box:focus{border-color:var(--brand);box-shadow:0 0 0 3px #3cd07033;transform:translateY(-1px)}@media (max-width: 600px){.auth-page{margin:20px auto;padding:22px 18px;border-radius:10px;max-width:calc(100% - 8px)}.otp-inputs{gap:6px}.otp-box{width:42px;height:48px;font-size:22px}}.detail-page{display:grid;grid-template-columns:1fr 1.2fr;gap:30px}.detail-image img{width:100%;border-radius:12px}.category-tag{display:inline-block;background:#eafff2;color:var(--brand-dark);padding:3px 10px;border-radius:999px;font-size:12px;margin:6px 0}.detail-desc{color:var(--muted);line-height:1.9;white-space:pre-line;overflow-wrap:anywhere}.purchase-support-note{margin:10px 0 6px;padding:8px 12px;border:1px solid #f59e0b;border-radius:8px;background:#fff7e6;color:#b45309;font-size:13px;font-weight:800;display:inline-block}.syllabus-list{padding-inline-start:20px}.badge-success{background:var(--brand)}.badge-pending{background:#f59e0b}.badge-paid{background:var(--brand)}.badge-failed,.badge-cancelled{background:#d92d20}@media (max-width: 768px){.detail-page{grid-template-columns:1fr;gap:20px}}.dashboard{display:grid;grid-template-columns:220px 1fr;gap:24px}.dashboard-sidebar{display:flex;flex-direction:column;gap:8px;background:#fff;border:1px solid var(--border);border-radius:12px;padding:16px;height:fit-content}.dashboard-sidebar a{padding:8px 10px;border-radius:8px}.dashboard-sidebar a.active{background:#eafff2;color:var(--brand-dark);font-weight:700}.profile-info div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);gap:12px}.simple-list{list-style:none;padding:0}.simple-list li{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border);gap:10px}@media (max-width: 768px){.dashboard{grid-template-columns:1fr;gap:14px}.dashboard-sidebar{flex-direction:row;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:6px;padding:10px}.dashboard-sidebar a{white-space:nowrap;flex-shrink:0}.profile-info div{flex-wrap:wrap}}.admin-layout{display:grid;grid-template-columns:230px 1fr;min-height:100vh}.admin-sidebar{background:#111827;color:#fff;padding:20px;display:flex;flex-direction:column;gap:8px}.admin-brand{font-weight:800;font-size:18px;margin-bottom:12px;color:var(--brand)}.admin-sidebar a{color:#d1d5db;padding:8px 10px;border-radius:8px}.admin-sidebar a.active{background:#3cd07026;color:var(--brand)}.admin-content{padding:30px;min-width:0}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px;flex-wrap:wrap}.admin-form{max-width:700px;background:#fff;padding:24px;border-radius:12px;border:1px solid var(--border)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.image-preview-list{display:flex;gap:8px;margin:8px 0;flex-wrap:wrap}.image-preview-item{position:relative}.image-preview-list img{width:70px;height:70px;object-fit:cover;border-radius:8px;border:1px solid var(--border)}.image-remove-btn{position:absolute;bottom:4px;left:4px;min-height:0;padding:2px 6px;font-size:11px;line-height:1.2;border-radius:6px;background:#111827bf;color:#fff}.image-remove-btn:hover{background:#111827e6}.checkbox-row{display:flex;align-items:center;gap:8px;margin-top:14px}.checkbox-row input{width:auto}.syllabus-row{display:grid;grid-template-columns:2fr 1fr 2fr auto;gap:8px;margin-bottom:8px}.inline-form{display:flex;gap:12px;align-items:center;margin-bottom:20px;flex-wrap:wrap}.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:6px}.stat-card strong{font-size:22px}@media (max-width: 900px){.admin-layout{grid-template-columns:1fr}.admin-sidebar{position:sticky;top:0;z-index:10;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;gap:6px;padding:12px 16px}.admin-brand{display:none}.admin-sidebar a,.admin-sidebar button{white-space:nowrap;flex-shrink:0}.admin-content{padding:18px 16px}}@media (max-width: 600px){.admin-form{padding:18px}.form-row{grid-template-columns:1fr;gap:0}.syllabus-row{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}}.loader-wrap{display:flex;justify-content:center;padding:60px 0}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.site-footer{border-top:1px solid var(--border);padding:24px 0;text-align:center;color:var(--muted);font-size:13px}.site-footer-content{display:flex;flex-direction:column;gap:8px}.site-footer-content p{margin:0;line-height:1.9}.footer-links{display:inline-flex;align-items:center;justify-content:center;gap:8px}.site-footer-content a{color:inherit;text-decoration:none}.site-footer-content a:hover{text-decoration:underline}@media (max-width: 600px){.site-footer{padding:20px 0 28px;font-size:12.5px}.site-footer-content p{padding:0 6px}}.static-page{padding-top:26px}.static-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.static-card h1{margin-top:0}.static-card h2{margin:18px 0 8px;font-size:20px}.static-list{margin:0;padding-inline-start:20px}.contact-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:18px}.contact-form{margin-top:12px}.contact-textarea{resize:vertical;min-height:130px}.contact-side{height:fit-content}.contact-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.contact-info-item{display:flex;flex-direction:column;gap:4px;padding:12px;border:1px solid var(--border);border-radius:10px;background:#fafafa}.contact-info-item strong{color:var(--muted);font-size:13px}.contact-info-item-full{grid-column:1 / -1}.contact-badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}.contact-badge.unread{background:#fff2f0;color:#b42318}.contact-badge.read{background:#eafff2;color:var(--brand-dark)}.admin-message-cell{max-width:380px;white-space:normal;line-height:1.8}@media (max-width: 900px){.contact-layout{grid-template-columns:1fr}}@media (max-width: 600px){.static-card{padding:18px}.contact-info-grid{grid-template-columns:1fr}}