:root{
  --ink:#0d1726;--muted:#667085;--line:#e5e7eb;--bg:#f6f8fb;--panel:#fff;
  --brand:#5b5af7;--brand-dark:#3634c9;--dark:#111827;--success:#13795b;--danger:#b42318;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:white}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.topbar,.store-header{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 6vw;border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.topbar nav,.store-header nav{display:flex;gap:26px;align-items:center}.brand,.store-logo{font-weight:900;letter-spacing:.14em;font-size:20px}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;background:var(--brand);color:#fff;padding:13px 20px;font-weight:750;cursor:pointer}.button:hover{background:var(--brand-dark)}.button.small{padding:9px 14px;font-size:14px}.button.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.button.full{width:100%}.button:disabled{opacity:.5;cursor:not-allowed}.hero{min-height:680px;padding:90px 7vw;display:grid;grid-template-columns:1.15fr .85fr;gap:7vw;align-items:center;background:linear-gradient(145deg,#fafaff,#eef0ff)}.hero h1,.store-hero h1{font-size:clamp(48px,6vw,84px);line-height:.98;letter-spacing:-.055em;margin:18px 0 24px}.hero p,.store-hero p{font-size:20px;line-height:1.65;color:var(--muted);max-width:680px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:12px;font-weight:900;color:var(--brand)}.actions{display:flex;gap:12px;margin-top:30px}.hero-card{background:#111827;color:white;border-radius:24px;padding:28px;box-shadow:0 35px 80px rgba(30,41,59,.25)}.mock-top{display:flex;gap:7px}.mock-top span{width:9px;height:9px;border-radius:50%;background:#6b7280}.metric{padding:50px 0 26px}.metric b{display:block;font-size:50px}.metric small{color:#9ca3af}.bars{height:190px;display:flex;align-items:flex-end;gap:14px}.bars i{flex:1;border-radius:8px 8px 0 0;background:linear-gradient(#7775ff,#5b5af7)}.bars i:nth-child(1){height:25%}.bars i:nth-child(2){height:45%}.bars i:nth-child(3){height:38%}.bars i:nth-child(4){height:68%}.bars i:nth-child(5){height:82%}.bars i:nth-child(6){height:100%}.section{padding:90px 7vw}.section.muted{background:var(--bg)}.section-heading{text-align:center;max-width:760px;margin:0 auto 45px}.section-heading h2{font-size:42px;letter-spacing:-.04em;margin:10px 0}.section-heading p{color:var(--muted)}.grid{display:grid;gap:24px}.grid.three{grid-template-columns:repeat(3,1fr)}.card,.price-card,.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}.card p,.price-card p{color:var(--muted);line-height:1.7}.price-card b{display:block;font-size:44px;margin:20px 0}.price-card b small{font-size:15px;color:var(--muted)}.price-card.featured{border:2px solid var(--brand);transform:translateY(-10px)}.footer{padding:30px 7vw;border-top:1px solid var(--line);color:var(--muted);text-align:center}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:40px;background:linear-gradient(145deg,#f8f9ff,#eceeff)}.auth-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:0 25px 60px rgba(15,23,42,.12)}.auth-card h1{font-size:34px;letter-spacing:-.04em;margin:30px 0 8px}.auth-card>p{color:var(--muted)}label{display:block;font-size:13px;font-weight:750;margin:16px 0 0}input,textarea,select{width:100%;margin-top:7px;border:1px solid #d0d5dd;border-radius:9px;padding:12px 13px;background:#fff}textarea{resize:vertical}.form-grid{display:grid;gap:14px}.form-grid.two{grid-template-columns:1fr 1fr}.auth-card .button{margin-top:22px}.center{text-align:center}.alert{padding:13px 15px;border-radius:9px;margin:15px 0}.alert.error{background:#fef3f2;color:var(--danger)}.alert.success{background:#ecfdf3;color:var(--success)}.admin-body{background:var(--bg)}.sidebar{position:fixed;inset:0 auto 0 0;width:240px;background:#111827;color:#d1d5db;padding:24px 18px}.brand.light{color:#fff;display:block;padding:8px 10px 24px}.store-switch{border:1px solid #374151;border-radius:10px;padding:13px;margin-bottom:22px}.store-switch small{display:block;color:#9ca3af;margin-bottom:4px}.sidebar nav{display:grid;gap:6px}.sidebar nav a{padding:11px 12px;border-radius:8px}.sidebar nav a:hover{background:#1f2937;color:#fff}.admin-main{margin-left:240px;padding:28px}.admin-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.admin-top small{color:var(--muted)}.admin-top h1{font-size:34px;letter-spacing:-.04em;margin:5px 0}.user-menu{font-size:14px;color:var(--muted)}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}.stats-grid article{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px}.stats-grid small{display:block;color:var(--muted)}.stats-grid b{font-size:32px;display:block;margin-top:10px}.panel{padding:0;overflow:hidden}.panel-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.panel h2,.panel-head h2{margin:0;font-size:20px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}th{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em;background:#fafafa}.badge{display:inline-flex;background:#f2f4f7;border-radius:20px;padding:5px 9px;font-size:12px}.two-column{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.7fr);gap:22px}.form-panel{padding:24px;overflow:visible}.form-panel h2{margin-bottom:10px}.link-button{border:0;background:none;color:var(--danger);cursor:pointer}.help{color:var(--muted);font-size:13px;line-height:1.6}.theme-grid{padding:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.theme-card{border:1px solid var(--line);border-radius:12px;padding:16px}.theme-preview{height:180px;background:#f1f3f6;border-radius:8px;padding:18px}.theme-preview div{height:18px;background:#d8dde6;border-radius:4px;margin-bottom:12px}.theme-preview div:nth-child(2){width:70%}.theme-preview div:nth-child(3){height:80px}.store-hero{padding:120px 7vw;background:linear-gradient(135deg,#101828,#20275b);color:#fff}.store-hero p{color:#d0d5dd}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.product-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}.product-image{aspect-ratio:1/1;background:#f2f4f7;display:grid;place-items:center}.product-image img{width:100%;height:100%;object-fit:cover}.product-image span{font-size:70px;font-weight:900;color:#c5cad3}.product-info{padding:18px}.product-info h3{margin:0 0 8px}.product-info p{font-weight:800}.empty-state{text-align:center;padding:80px 30px}.empty-state p{color:var(--muted)}
@media(max-width:1050px){.hero{grid-template-columns:1fr}.hero-card{max-width:650px}.grid.three,.product-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.two-column{grid-template-columns:1fr}.theme-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.topbar nav a:not(.button),.store-header nav a:not(:last-child){display:none}.hero{padding-top:60px;min-height:auto}.hero h1,.store-hero h1{font-size:48px}.grid.three,.product-grid,.stats-grid,.form-grid.two,.theme-grid{grid-template-columns:1fr}.sidebar{position:static;width:auto}.sidebar nav{grid-template-columns:repeat(2,1fr)}.admin-main{margin-left:0;padding:18px}.admin-top{align-items:flex-start;gap:16px}.user-menu{text-align:right}.section{padding:65px 20px}.store-hero{padding:80px 20px}.auth-shell{padding:20px}.auth-card{padding:25px}}

.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:24px}
.module-card{border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;justify-content:space-between;gap:18px;align-items:flex-start}
.module-card h3{margin:12px 0 6px}.module-card p{color:var(--muted);font-size:14px;line-height:1.55;margin:0}
.module-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:10px;background:#eef0ff;color:var(--brand);font-weight:900}
.switch{margin:4px 0 0;position:relative;display:inline-block;width:48px;height:27px}
.switch input{opacity:0;width:0;height:0}
.switch span{position:absolute;cursor:pointer;inset:0;background:#d0d5dd;border-radius:999px;transition:.2s}
.switch span:before{content:"";position:absolute;width:21px;height:21px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.switch input:checked+span{background:var(--brand)}
.switch input:checked+span:before{transform:translateX(21px)}
.module-summary{padding:24px;display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:1050px){.module-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.module-grid{grid-template-columns:1fr}}

.min-page{min-height:calc(100vh - 76px)}.pricing-grid{grid-template-columns:repeat(4,1fr)}.feature-list{padding-left:20px;color:var(--muted);line-height:1.9;min-height:145px}.selected-plan{background:#f2f4ff;border:1px solid #dfe1ff;padding:12px 14px;border-radius:9px;margin:15px 0}.store-alert{margin:15px 7vw}.cart-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,.5fr);gap:24px}.summary-line{display:flex;justify-content:space-between;font-size:18px;padding:18px 0;border-bottom:1px solid var(--line)}.qty-form input{width:75px;margin:0}@media(max-width:1050px){.pricing-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.pricing-grid,.cart-layout{grid-template-columns:1fr}}

.edit-product-form{padding:24px}
.form-section{border-top:1px solid var(--line);padding:24px 0}
.form-section:first-child{border-top:0;padding-top:0}
.form-section h3{margin:0 0 12px}
.code-box{background:#111827;color:#e5e7eb;padding:18px;border-radius:10px;overflow:auto}
.theme-card form{margin-top:14px}
.theme-preview-minimal{background:#fff;border:1px solid #eee}
.theme-preview-boutique{background:#f3e7dd}

.current-product-photo{margin:18px 0}
.current-product-photo span{display:block;font-size:13px;font-weight:750;margin-bottom:8px}
.current-product-photo img{display:block;max-width:260px;max-height:260px;object-fit:cover;border:1px solid var(--line);border-radius:12px;background:#f2f4f7}
input[type="file"]{padding:10px;background:#fafafa}

.invoice-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:20px}.invoice-toolbar form{margin:0}
.invoice-admin-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(320px,.7fr);gap:24px}
.invoice-total-list{display:grid;gap:12px;margin:20px 0 28px}
.invoice-total-list div,.invoice-public-totals div{display:flex;justify-content:space-between;gap:20px}
.invoice-total-list .grand,.invoice-public-totals .grand{font-size:20px;border-top:1px solid var(--line);padding-top:12px}
.payment-history{display:grid;gap:10px}.payment-history div{border-top:1px solid var(--line);padding-top:10px}.payment-history span{display:block;color:var(--muted);font-size:13px}
.invoice-item-form{padding:24px}.invoice-item-grid{grid-template-columns:2fr 2fr .7fr 1fr 1fr 1fr}
.invoice-public-shell{background:#eef1f5;min-height:100vh;padding:40px}
.invoice-public-actions{max-width:980px;margin:0 auto 16px;display:flex;justify-content:flex-end}
.invoice-document{max-width:980px;margin:0 auto;background:#fff;padding:54px;box-shadow:0 20px 60px rgba(15,23,42,.12)}
.invoice-document-header{display:flex;justify-content:space-between;gap:40px;border-bottom:2px solid var(--ink);padding-bottom:28px}
.invoice-document-header h1{font-size:42px;margin:8px 0}.invoice-company{text-align:right}.invoice-company h2{margin:0 0 10px}.invoice-company p{margin:3px 0;color:var(--muted)}
.invoice-meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:32px 0}.invoice-meta-grid div{display:flex;flex-direction:column;gap:5px}.invoice-meta-grid small{color:var(--muted);margin-top:10px}
.invoice-public-table{margin-top:10px}.invoice-public-totals{width:min(420px,100%);margin:30px 0 30px auto;display:grid;gap:10px}
.invoice-notes{border-top:1px solid var(--line);padding-top:18px;margin-top:18px}.invoice-notes p{color:var(--muted);line-height:1.6}
@media(max-width:1000px){.invoice-admin-grid{grid-template-columns:1fr}.invoice-item-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.invoice-document{padding:24px}.invoice-document-header,.invoice-meta-grid{grid-template-columns:1fr;display:grid}.invoice-company{text-align:left}.invoice-public-shell{padding:10px}.invoice-item-grid{grid-template-columns:1fr}}
@media print{.invoice-public-actions{display:none}.invoice-public-shell{padding:0;background:#fff}.invoice-document{box-shadow:none;max-width:none}}

.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:24px}
.media-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff}
.media-thumb{aspect-ratio:1/1;background:#f2f4f7;display:grid;place-items:center}
.media-thumb img{width:100%;height:100%;object-fit:cover}
.media-meta{padding:14px}.media-meta b,.media-meta small{display:block}.media-meta small{color:var(--muted);margin:5px 0 10px}.media-meta input{font-size:12px}
@media(max-width:1000px){.media-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:700px){.media-grid{grid-template-columns:1fr}}

.course-public-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.course-public-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff}
.course-public-image{aspect-ratio:16/10;background:#f2f4f7;display:grid;place-items:center}
.course-public-image img{width:100%;height:100%;object-fit:cover}
.course-public-image span{font-size:72px;font-weight:900;color:#c5cad3}
.course-public-info{padding:22px}.course-public-info h2{margin:14px 0 8px}.course-public-info p{color:var(--muted);line-height:1.6}.course-public-info>b{display:block;font-size:22px;margin:18px 0}
.course-hero{padding:90px 7vw;background:#101828;color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:50px;align-items:center}
.course-hero h1{font-size:58px;letter-spacing:-.05em;margin:14px 0}.course-hero p{font-size:19px;line-height:1.6;color:#d0d5dd}
.course-hero img{width:100%;max-height:430px;object-fit:cover;border-radius:16px}
.course-meta{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}.course-meta span{background:#ffffff17;padding:8px 12px;border-radius:20px}
.course-price{font-size:28px}.course-detail-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:34px}.course-description{line-height:1.75;color:var(--muted)}
.lesson-list{padding-left:22px}.lesson-list li{padding:12px 0;border-bottom:1px solid var(--line)}.lesson-list span,.lesson-list small{display:block;color:var(--muted);font-size:12px;margin-top:4px}
@media(max-width:950px){.course-public-grid{grid-template-columns:repeat(2,1fr)}.course-hero,.course-detail-grid{grid-template-columns:1fr}}
@media(max-width:650px){.course-public-grid{grid-template-columns:1fr}.course-hero{padding:60px 20px}.course-hero h1{font-size:42px}}