:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (width<=1024px){:root{font-size:16px}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}body{color:#333;background-color:#f4f6f8;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif}.App-header{text-align:center;background-color:#fff;margin-bottom:40px;padding:20px 40px;box-shadow:0 2px 10px #0000000d}.App-header h1{color:#2c3e50;margin:0;font-size:24px}.App-header p{color:#7f8c8d;margin-top:10px}.products-grid{flex-wrap:wrap;justify-content:center;gap:30px;max-width:1200px;margin:0 auto;padding:0 40px;display:flex}.product-card{background:#fff;border-radius:12px;flex-direction:column;width:350px;padding:30px;transition:transform .2s;display:flex;box-shadow:0 4px 20px #0000000d}.product-card:hover{transform:translateY(-5px)}.product-card h2{color:#2c3e50;margin-top:0}.description{color:#7f8c8d;flex-grow:1;line-height:1.5}.price{color:#27ae60;margin:20px 0;font-size:28px}.checkout-buttons{flex-direction:column;gap:15px;display:flex}button{cursor:pointer;border:none;border-radius:8px;padding:15px;font-size:16px;font-weight:600;transition:opacity .2s}button:hover{opacity:.9}.btn-webpay{color:#fff;background-color:#ed1c24}.btn-mp{color:#fff;background-color:#009ee3}button:disabled{opacity:.45;cursor:not-allowed}.btn-primary{color:#fff;background-color:#2c3e50}.btn-secondary{color:#2c3e50;background-color:#ecf0f1;border:1px solid #dfe4e6}.link-btn{text-align:center;margin-top:24px;text-decoration:none;display:inline-block}.header-link{color:inherit;text-decoration:none}.loading{text-align:center;color:#7f8c8d;padding:60px;font-size:18px}.badge{border-radius:20px;align-self:flex-start;margin-bottom:8px;padding:4px 10px;font-size:12px;display:inline-block}.badge-digital{color:#2980b9;background:#eaf6ff}.checkout{max-width:1000px;margin:0 auto;padding:0 20px 60px}.back-link{color:#2980b9;font-size:14px;text-decoration:none}.checkout-title{color:#2c3e50;margin:16px 0 24px}.checkout-grid{grid-template-columns:1fr 320px;align-items:start;gap:24px;display:grid}@media (width<=780px){.checkout-grid{grid-template-columns:1fr}}.checkout-form{flex-direction:column;gap:20px;display:flex}.step{background:#fff;border-radius:12px;padding:22px 24px;box-shadow:0 4px 20px #0000000d}.step h3{color:#2c3e50;margin:0 0 16px;font-size:17px}.field{box-sizing:border-box;background:#fff;border:1px solid #dfe4e6;border-radius:8px;width:100%;margin-bottom:12px;padding:12px 14px;font-family:inherit;font-size:15px}.field:focus{border-color:#2980b9;outline:none}.row{gap:12px;display:flex}.row .field{flex:1}.field-sm{max-width:120px}.digital-note{color:#2980b9;background:#eaf6ff;border-radius:8px;margin:0;padding:12px 14px}.quote-msg{color:#c0392b;margin:12px 0 0;font-size:14px}.quotes{flex-direction:column;gap:10px;margin-top:16px;display:flex}.quote-option{cursor:pointer;border:1px solid #dfe4e6;border-radius:8px;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:12px 14px;display:grid}.quote-option.selected{background:#f5fbff;border-color:#2980b9}.quote-courier{color:#2c3e50;font-weight:600}.quote-days{color:#7f8c8d;grid-column:2;font-size:13px}.quote-price{color:#27ae60;font-weight:700}.summary{background:#fff;border-radius:12px;padding:22px 24px;position:sticky;top:20px;box-shadow:0 4px 20px #0000000d}.summary h3{color:#2c3e50;margin:0 0 16px}.summary-row{color:#555;justify-content:space-between;padding:8px 0;font-size:15px;display:flex}.summary-row.total{color:#2c3e50;border-top:1px solid #eee;margin-top:8px;padding-top:14px;font-size:18px;font-weight:700}.pay-buttons{flex-direction:column;gap:12px;margin-top:20px;display:flex}.pay-hint{color:#7f8c8d;text-align:center;margin:12px 0 0;font-size:13px}.result-card{text-align:center;background:#fff;border-radius:12px;max-width:480px;margin:0 auto;padding:48px 40px;box-shadow:0 4px 20px #0000000d}.result-icon{font-size:56px}.result-card h1{color:#2c3e50;margin:12px 0}.result-card.success h1{color:#27ae60}.result-card.failed h1{color:#c0392b}.result-card p{color:#7f8c8d;line-height:1.5}.order-id{word-break:break-all;font-size:14px}.result-help{font-size:14px}.header-inner{justify-content:space-between;align-items:center;max-width:1100px;margin:0 auto;display:flex}.header-nav{align-items:center;gap:16px;display:flex}.nav-link{color:#2980b9;font-size:14px;font-weight:600;text-decoration:none}.nav-panel{color:#fff;background:#2c3e50;border-radius:6px;padding:6px 12px}.nav-user{color:#7f8c8d;font-size:13px}.nav-logout{color:#c0392b;background:0 0;padding:6px 10px;font-size:13px}.auth-card{text-align:center;background:#fff;border-radius:12px;max-width:400px;margin:0 auto;padding:36px 32px;box-shadow:0 4px 20px #0000000d}.auth-card h2{color:#2c3e50;margin-top:0}.auth-card form{flex-direction:column;gap:4px;display:flex}.form-error{color:#c0392b;margin:4px 0;font-size:14px}.form-ok{color:#27ae60;margin:4px 0;font-size:14px}.link-plain{color:#2980b9;background:0 0;margin-top:12px;padding:4px;font-size:13px}.auth-foot{margin-top:16px;font-size:14px}.auth-foot a{color:#7f8c8d;text-decoration:none}.membership-banner{border-radius:8px;margin-bottom:24px;padding:14px 18px;font-size:15px}.membership-banner.active{color:#1e8449;background:#eafaf1}.membership-banner.expired{color:#b9770e;background:#fdf2e9}.renew-link{color:#fff;background:#e67e22;border-radius:6px;margin-left:10px;padding:4px 12px;text-decoration:none}.empty-state{text-align:center;color:#7f8c8d;padding:40px;line-height:2}.empty-state a{color:#2980b9}.courses-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;display:grid}.course-card{color:inherit;background:#fff;border-radius:12px;text-decoration:none;transition:transform .2s;overflow:hidden;box-shadow:0 4px 20px #0000000d}.course-card:hover{transform:translateY(-4px)}.course-card.locked{opacity:.7}.course-img{object-fit:cover;width:100%;height:140px}.course-body{padding:18px}.course-body h3{color:#2c3e50;margin:0 0 8px}.course-body p{color:#7f8c8d;margin:0 0 12px;font-size:14px}.course-meta{color:#95a5a6;font-size:13px}.course-view{max-width:1000px;margin:0 auto;padding:0 20px 60px}.course-layout{grid-template-columns:280px 1fr;align-items:start;gap:24px;display:grid}@media (width<=760px){.course-layout{grid-template-columns:1fr}}.lesson-list{flex-direction:column;gap:8px;display:flex}.lesson-item{text-align:left;color:#2c3e50;background:#fff;border:1px solid #e6e9ec;border-radius:8px;align-items:center;gap:8px;padding:12px 14px;font-size:14px;display:flex}.lesson-item.selected{background:#f5fbff;border-color:#2980b9}.lesson-content{background:#fff;border-radius:12px;min-height:320px;padding:24px;box-shadow:0 4px 20px #0000000d}.video-wrap{height:0;padding-bottom:56.25%;position:relative}.video-wrap iframe{border-radius:8px;width:100%;height:100%;position:absolute;top:0;left:0}.locked-content{text-align:center;color:#b9770e;background:#fdf2e9;border-radius:8px;padding:40px}.pdf-block{text-align:center;padding:20px}.panel{background:#f4f6f8;min-height:100vh;display:flex}.panel-sidebar{color:#cfd8e0;box-sizing:border-box;background:#1f2b38;flex-direction:column;width:230px;height:100vh;padding:20px 0;display:flex;position:sticky;top:0}.panel-brand{color:#fff;padding:0 22px 20px;font-size:18px;font-weight:700}.panel-brand span{color:#7f8fa0;font-size:12px;font-weight:400;display:block}.panel-sidebar nav{flex-direction:column;flex:1;display:flex}.panel-nav{color:#cfd8e0;border-left:3px solid #0000;padding:12px 22px;font-size:14px;text-decoration:none}.panel-nav:hover{background:#263543}.panel-nav.active{color:#fff;background:#263543;border-left-color:#3498db}.panel-footer{border-top:1px solid #2c3a48;flex-direction:column;gap:8px;padding:16px 22px 0;font-size:12px;display:flex}.panel-footer button{color:#e74c3c;text-align:left;background:0 0;padding:0;font-size:13px}.panel-main{flex:1;padding:32px 40px;overflow:auto}.panel-head{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.panel-head h2{color:#2c3e50;margin:0}.panel-table{border-collapse:collapse;background:#fff;border-radius:10px;width:100%;overflow:hidden;box-shadow:0 2px 12px #0000000d}.panel-table th,.panel-table td{text-align:left;border-bottom:1px solid #eef1f3;padding:12px 16px;font-size:14px}.panel-table th{color:#7f8c8d;background:#fafbfc;font-weight:600}.row-actions{gap:8px;display:flex}.row-actions button{color:#2c3e50;background:#ecf0f1;padding:6px 10px;font-size:13px}.row-actions button.danger{color:#c0392b;background:#fdecea}.hint{color:#95a5a6;font-size:13px}.modal-overlay{z-index:100;background:#00000073;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:#fff;border-radius:12px;flex-direction:column;gap:10px;width:480px;max-height:90vh;padding:28px;display:flex;overflow:auto}.modal.wide{width:620px}.modal h3{color:#2c3e50;margin:0 0 8px}.modal label{color:#7f8c8d;flex-direction:column;gap:4px;font-size:13px;display:flex}.modal .field{margin-bottom:6px}.modal .row{gap:10px;display:flex}.modal .row label{flex:1}.checks{gap:20px;margin:6px 0;display:flex}.check{align-items:center;color:#2c3e50!important;flex-direction:row!important;gap:6px!important;font-size:14px!important}.courses-pick{border:1px solid #e6e9ec;border-radius:8px;flex-direction:column;gap:6px;padding:12px;display:flex}.courses-pick legend{color:#7f8c8d;padding:0 6px;font-size:13px}.modal-actions{justify-content:flex-end;gap:10px;margin-top:12px;display:flex}.modal-actions button{padding:10px 18px}.lessons-admin{flex-direction:column;gap:6px;margin:0 0 16px;padding:0;list-style:none;display:flex}.lessons-admin li{background:#f8f9fa;border-radius:6px;justify-content:space-between;align-items:center;padding:10px 12px;font-size:14px;display:flex}.lessons-admin li button{padding:4px 10px;font-size:12px}.lesson-form{border-top:1px solid #eef1f3;padding-top:14px}.lesson-form h4{color:#2c3e50;margin:0 0 10px}