:root{--bg:#fff;--fg:#1a1a1a;--muted:#6b7280;--border:#e5e7eb;--accent:#0f766e;--accent-fg:#fff;--danger:#b91c1c;--success:#15803d;--card-bg:#f9fafb;--max-width:1100px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--fg);background:var(--bg);line-height:1.5}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.25rem}.site-header{border-bottom:1px solid var(--border);padding:1rem 0}.site-header .container{justify-content:space-between;gap:.75rem}.site-header .container,.site-header nav{display:flex;align-items:center;flex-wrap:wrap}.site-header nav{gap:1.25rem}.brand{font-weight:700;font-size:1.15rem;color:var(--fg)}.brand:hover{text-decoration:none}.site-footer{border-top:1px solid var(--border);margin-top:3rem;padding:1.5rem 0;color:var(--muted);font-size:.875rem}.site-footer nav{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.5rem}main{min-height:60vh;padding:2rem 0}h1,h2,h3{line-height:1.25}.grid{display:grid;grid-gap:1.25rem;gap:1.25rem;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.card{border:1px solid var(--border);border-radius:8px;padding:1rem;background:var(--card-bg)}.product-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:6px;background:#eee}.product-card h3{margin:.5rem 0 .25rem;font-size:1rem}.price{font-weight:600}.category-tag{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.btn,.category-tag{display:inline-block}.btn{border:1px solid var(--accent);background:var(--accent);color:var(--accent-fg);padding:.6rem 1.1rem;border-radius:6px;cursor:pointer;font-size:.95rem;font-weight:600}.btn:hover{opacity:.9;text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--accent)}.btn-danger{background:var(--danger);border-color:var(--danger)}input,select,textarea{font:inherit;padding:.5rem .6rem;border:1px solid var(--border);border-radius:6px;width:100%}label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.25rem;margin-top:.75rem}.field-error{color:var(--danger);font-size:.8rem;margin-top:.25rem}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{text-align:left;padding:.5rem .6rem;border-bottom:1px solid var(--border)}th{color:var(--muted)}.badge,th{font-weight:600}.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.75rem}.badge-paid{background:#dcfce7;color:var(--success)}.badge-pending{background:#fef9c3;color:#854d0e}.badge-failed{background:#fee2e2;color:var(--danger)}.badge-refunded{background:#e0e7ff;color:#3730a3}.badge-default{background:#f3f4f6;color:var(--muted)}.stack{flex-direction:column}.row,.stack{display:flex;gap:.75rem}.row{flex-wrap:wrap}.row,.spread{align-items:center}.spread{display:flex;justify-content:space-between}.muted{color:var(--muted)}.admin-layout{display:grid;grid-template-columns:200px 1fr;min-height:100vh}.admin-sidebar{border-right:1px solid var(--border);padding:1.5rem 1rem}.admin-sidebar nav{display:flex;flex-direction:column;gap:.5rem}.admin-content{padding:1.5rem}@media (max-width:720px){.admin-layout{grid-template-columns:1fr}.admin-sidebar{border-right:none;border-bottom:1px solid var(--border)}}