:root{--color-brand: #7a0c0c;--color-brand-dark: #4e0707;--color-brand-light: #a83232;--color-brand-contrast: #ffffff;--color-bg: #ffffff;--color-surface: #f7f5f5;--color-border: #e3dede;--color-text: #201818;--color-text-muted: #6b5f5f;--color-success: #1f7a3d;--color-error: #c0392b;--color-warning: #b8860b;--color-sidebar-bg: #faf6ef;--color-sidebar-border: #e8e0cf;--color-sidebar-text: var(--color-text);--color-sidebar-text-muted: var(--color-text-muted);--color-sidebar-active-bg: #f1e8d4;--color-sidebar-active-text: var(--color-brand-dark);--sidebar-width: 240px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-6: 1.5rem;--space-8: 2rem;--space-12: 3rem;--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.25rem;--font-size-xl: 1.75rem;--radius-sm: 4px;--radius-md: 8px;--shadow-card: 0 1px 3px rgba(0, 0, 0, .08)}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);font-size:var(--font-size-base);color:var(--color-text);background:var(--color-bg)}a{color:var(--color-brand)}button{font-family:inherit;cursor:pointer}code{overflow-wrap:anywhere;word-break:break-word}.container{max-width:960px;margin:0 auto;padding:0 var(--space-4)}.btn-primary{background:var(--color-brand);color:var(--color-brand-contrast);border:none;border-radius:var(--radius-sm);padding:var(--space-3) var(--space-4);font-size:var(--font-size-base)}.btn-primary:hover{background:var(--color-brand-dark)}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:var(--space-4)}.app-shell{display:flex;align-items:flex-start;min-height:100vh}.app-content{flex:1;min-width:0}.sidebar{width:var(--sidebar-width);flex-shrink:0;background:var(--color-sidebar-bg);border-right:1px solid var(--color-sidebar-border);padding:var(--space-4);display:flex;flex-direction:column;gap:var(--space-8);position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar__header{display:flex;align-items:center;justify-content:space-between}.sidebar__logo{color:var(--color-text);text-decoration:none;font-size:var(--font-size-lg);font-weight:700;letter-spacing:.02em}.sidebar__close-btn{display:none}.sidebar__nav{display:flex;flex-direction:column;gap:var(--space-1)}.sidebar__link{display:block;padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);color:var(--color-sidebar-text-muted);text-decoration:none;font-weight:500}.sidebar__link:hover{background:var(--color-sidebar-active-bg);color:var(--color-sidebar-text)}.sidebar__link--active{background:var(--color-sidebar-active-bg);color:var(--color-sidebar-active-text);font-weight:700}.sidebar__section{display:flex;flex-direction:column;gap:var(--space-1);margin:0 0 0 var(--space-3);padding-left:var(--space-2);border-left:2px solid var(--color-sidebar-border)}.sidebar__section-title{padding:var(--space-2) var(--space-3) 0;font-size:var(--font-size-sm);font-weight:700;letter-spacing:.02em;text-transform:uppercase;color:var(--color-sidebar-text-muted)}.sidebar__link--sub{font-size:var(--font-size-sm);font-weight:400}.sidebar__link--sub.sidebar__link--active{font-weight:700}.mobile-topbar,.sidebar-backdrop{display:none}@media (max-width: 767px){.sidebar{position:fixed;top:0;left:0;bottom:0;height:100vh;z-index:40;transform:translate(-100%);transition:transform .25s ease;box-shadow:var(--shadow-card)}.sidebar.is-open{transform:translate(0)}.sidebar__close-btn{display:inline-flex;align-items:center;justify-content:center;background:none;border:none;font-size:1.5rem;line-height:1;color:var(--color-text-muted);cursor:pointer}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#20181866;z-index:30}.mobile-topbar{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);background:var(--color-sidebar-bg);border-bottom:1px solid var(--color-sidebar-border);position:sticky;top:0;z-index:20}.mobile-topbar__logo{font-size:var(--font-size-lg);font-weight:700;color:var(--color-text)}.mobile-topbar__menu-btn{background:none;border:none;padding:var(--space-2);display:flex;flex-direction:column;gap:4px;cursor:pointer}.mobile-topbar__menu-btn span{display:block;width:20px;height:2px;background:var(--color-text);border-radius:2px}}.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--space-4)}.product-card{display:block;text-decoration:none;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden}.product-card:hover{border-color:var(--color-brand)}.product-card__thumb{aspect-ratio:1 / 1;background:var(--color-border);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:var(--font-size-sm)}.product-card__thumb-img{display:block;width:100%;aspect-ratio:1 / 1;object-fit:cover;background:var(--color-border)}.product-card__body{padding:var(--space-3)}.product-card__name{margin:0 0 var(--space-1);font-weight:600}.product-card__price{margin:0;color:var(--color-brand-dark);font-weight:700}.product-detail{display:grid;grid-template-columns:minmax(200px,320px) 1fr;gap:var(--space-8)}@media (max-width: 640px){.product-detail{grid-template-columns:1fr}}.product-detail__thumb{aspect-ratio:1 / 1;background:var(--color-border);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted)}.product-detail__thumb-img{display:block;width:100%;aspect-ratio:1 / 1;object-fit:cover;border-radius:var(--radius-md);background:var(--color-border)}.product-detail__price{font-size:var(--font-size-lg);color:var(--color-brand-dark);font-weight:700}.product-detail__description{color:var(--color-text);white-space:pre-wrap}.product-detail__description--empty{color:var(--color-text-muted);font-style:italic}.product-detail button[disabled]{opacity:.6;cursor:not-allowed}.btn-link{display:inline-block}.payment-accounts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--space-4);margin-bottom:var(--space-6)}.payment-accounts h3{margin-top:0;color:var(--color-brand-dark)}.buy-now form{display:flex;flex-direction:column;gap:var(--space-2);max-width:480px}.buy-now label{font-weight:600}.buy-now input[type=url]{padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-base)}.form-error{color:var(--color-error);margin:0}.form-hint{color:var(--color-text-muted);font-size:var(--font-size-sm);margin:0}.thumbnail-picker__preview{width:120px;height:120px;object-fit:cover;border:1px solid var(--color-border);border-radius:var(--radius-md)}.form-success{color:var(--color-success);margin:0}.btn-text{background:none;border:none;padding:0;margin:0;font:inherit;color:var(--color-brand);text-decoration:underline;cursor:pointer}.btn-text:disabled{color:var(--color-text-muted);text-decoration:none;cursor:not-allowed}.auth-form{display:flex;flex-direction:column;gap:var(--space-2);max-width:360px}.auth-form label{font-weight:600}.auth-form input,.auth-form textarea{padding:var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-sm);font-size:var(--font-size-base);font-family:inherit}.seller-dashboard{display:flex;flex-direction:column;gap:var(--space-4)}.seller-product-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:var(--space-4)}.seller-product-list__name{margin:0 0 var(--space-1);font-weight:600}.seller-product-list__price{margin:0 0 var(--space-2);color:var(--color-brand-dark);font-weight:700}.seller-product-list__description{margin:0 0 var(--space-2);color:var(--color-text-muted);white-space:pre-wrap}.earnings-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:var(--space-4);margin-bottom:var(--space-6)}.earnings-summary__item{text-align:center}.earnings-summary__label{margin:0 0 var(--space-1);color:var(--color-text-muted);font-size:var(--font-size-sm)}.earnings-summary__value{margin:0;font-weight:700;color:var(--color-brand-dark)}.admin-dashboard{display:flex;flex-direction:column;gap:var(--space-4)}.admin-table-wrapper{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md)}.admin-table th,.admin-table td{text-align:left;padding:var(--space-2) var(--space-3);border-bottom:1px solid var(--color-border);vertical-align:top}.admin-table th{color:var(--color-text-muted);font-size:var(--font-size-sm);font-weight:600}.admin-table tr:last-child td{border-bottom:none}.admin-table__description{max-width:320px;white-space:pre-wrap}.admin-table__muted{color:var(--color-text-muted)}.admin-table__mono{font-family:monospace;font-size:var(--font-size-sm)}