:root{
  --bg:#f5f7f4; --surface:#fff; --ink:#14221a; --muted:#5d6b62; --line:#dfe6e0;
  --brand:#0b6b3a; --brand-ink:#fff; --accent:#f2b705; --bad:#b42318; --good:#067647; --radius:14px;
}
@media (prefers-color-scheme: dark){
  :root{--bg:#0e1511; --surface:#16211a; --ink:#eaf2ec; --muted:#9db0a3; --line:#27372d; --brand:#2fb56b; --brand-ink:#05140b; --bad:#ff8a80; --good:#5fd49a;}
}
*{box-sizing:border-box}
body{margin:0;font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
.wrap{max-width:920px;margin:0 auto;padding:0 16px}
a{color:var(--brand)}
.site-header{background:var(--surface);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:var(--ink)}
.logo{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--brand);color:var(--brand-ink);font-weight:800}
nav a{margin-left:16px;text-decoration:none;color:var(--muted);font-weight:600}
nav a:hover{color:var(--ink)}
main{padding:28px 16px 48px}
.hero{text-align:center;margin:8px 0 24px}
.hero h1{margin:0 0 8px;font-size:clamp(1.6rem,4vw,2.3rem);line-height:1.2}
.hero p{margin:0 auto;max-width:560px;color:var(--muted)}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.panel.narrow{max-width:560px;margin:0 auto}
h1,h2,h3{line-height:1.25}
h2{font-size:1.1rem;margin:20px 0 12px}
h2:first-child{margin-top:0}
.products{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px}
.product{position:relative;cursor:pointer}
.product input{position:absolute;opacity:0}
.product .card{display:flex;flex-direction:column;gap:4px;border:2px solid var(--line);border-radius:12px;padding:14px;height:100%}
.product input:checked + .card{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 20%,transparent)}
.product input:focus-visible + .card{outline:2px solid var(--accent);outline-offset:2px}
.product.soldout{cursor:not-allowed;opacity:.55}
.product small{color:var(--muted)}
.price{font-size:1.25rem;font-weight:800;margin-top:6px}
.badge{align-self:flex-start;font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:99px}
.badge.good{background:color-mix(in srgb,var(--good) 15%,transparent);color:var(--good)}
.badge.bad{background:color-mix(in srgb,var(--bad) 15%,transparent);color:var(--bad)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
label{display:block;font-weight:600;font-size:.92rem}
input[type=text],input[type=tel],input[type=email],input[type=password],input[type=number],input[type=file],select,textarea{
  display:block;width:100%;margin-top:6px;padding:11px 12px;font:inherit;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);border-radius:10px}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px}
.muted{color:var(--muted);font-weight:400}
.small{font-size:.85rem}
.total-row{display:flex;justify-content:space-between;align-items:center;margin:22px 0 14px;padding:14px 16px;background:var(--bg);border-radius:12px;font-size:1.05rem}
.total-row strong{font-size:1.4rem}
.btn{display:inline-block;width:100%;padding:14px 18px;border:0;border-radius:12px;background:var(--brand);color:var(--brand-ink);
  font:inherit;font-weight:700;text-align:center;text-decoration:none;cursor:pointer}
.btn:hover{filter:brightness(1.06)}
.btn:disabled{opacity:.6;cursor:wait}
.btn.secondary{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.btn.small{width:auto;padding:6px 12px;font-size:.85rem;border-radius:8px}
.alert{padding:12px 14px;border-radius:10px;margin:0 0 16px;border:1px solid var(--line);background:var(--surface)}
.alert.error{border-color:var(--bad);color:var(--bad)}
.alert.success{border-color:var(--good);color:var(--good)}
.status{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:2rem;margin:0 auto 12px;font-weight:800}
.status.ok{background:color-mix(in srgb,var(--good) 18%,transparent);color:var(--good)}
.status.bad{background:color-mix(in srgb,var(--bad) 18%,transparent);color:var(--bad)}
.status.wait{background:color-mix(in srgb,var(--accent) 25%,transparent);color:var(--ink)}
.panel.narrow h1{text-align:center}
.vouchers{display:grid;gap:12px;margin:18px 0}
.voucher{border:2px dashed var(--brand);border-radius:12px;padding:14px;background:var(--bg)}
.vlabel{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:6px}
.vrow{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:4px 0}
.vrow code{font-size:1.1rem;font-weight:700;letter-spacing:.04em;word-break:break-all;user-select:all}
form.inline{margin-top:12px}
hr{border:0;border-top:1px solid var(--line);margin:22px 0}
.summary{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0;font-size:.92rem}
.summary dt{color:var(--muted)}
.summary dd{margin:0;text-align:right;word-break:break-all}
.site-footer{border-top:1px solid var(--line);padding:20px 0;text-align:center;font-size:.9rem}
.site-footer p{margin:4px 0}
/* admin */
.admin-nav{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}
.admin-nav a{padding:8px 14px;border-radius:10px;text-decoration:none;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--line)}
.admin-nav a.active{background:var(--brand);color:var(--brand-ink);border-color:var(--brand)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:12px;margin-bottom:20px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat b{display:block;font-size:1.5rem}
.stat span{color:var(--muted);font-size:.85rem}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--surface);border:1px solid var(--line);border-radius:12px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.75rem;font-weight:700;background:var(--bg)}
.pill.fulfilled,.pill.sent,.pill.available{color:var(--good)}
.pill.failed{color:var(--bad)}
.pill.paid,.pill.pending,.pill.sending{color:#a15c00}
.row-actions form{display:inline}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.filters a{padding:5px 12px;border-radius:99px;border:1px solid var(--line);text-decoration:none;font-size:.85rem;background:var(--surface);color:var(--muted)}
.filters a.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:760px){.two-col{grid-template-columns:1fr}}
textarea{min-height:160px;font-family:ui-monospace,Menlo,monospace}
.pager{display:flex;gap:10px;justify-content:center;margin-top:16px}