:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1c2733;
  --muted: #64748b;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --ok: #16a34a;
  --danger: #dc2626;
  --border: #e2e8f0;
  --radius: 16px;
}
* { box-sizing: border-box; }
html { font-size: 18px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Vazirmatn, Tahoma, "Segoe UI", Arial, sans-serif;
  line-height: 1.9;
  direction: rtl;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 20px 16px 60px; }
h1 { font-size: 1.5rem; margin: 8px 0 4px; }
h2 { font-size: 1.2rem; margin: 0 0 12px; }
p.sub { color: var(--muted); margin: 0 0 18px; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, .04);
}
label { display: block; font-weight: 600; margin: 12px 0 4px; }
input, select, textarea {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: #fff;
  color: var(--text);
}
input:focus, select:focus { outline: 2px solid var(--primary); border-color: var(--primary); }
input[disabled], select[disabled] { background: #f1f5f9; color: var(--muted); }
.ltr { direction: ltr; text-align: left; }
button {
  font: inherit;
  font-weight: 700;
  border: 0;
  border-radius: 12px;
  padding: 12px 18px;
  cursor: pointer;
  background: var(--primary);
  color: #fff;
  width: 100%;
  margin-top: 14px;
}
button:hover { background: var(--primary-dark); }
button.secondary { background: #e8eef9; color: var(--primary-dark); }
button.danger { background: #fde8e8; color: var(--danger); width: auto; margin: 0; padding: 8px 12px; }
button.small { width: auto; padding: 8px 14px; margin-top: 0; }
button[disabled] { opacity: .5; cursor: not-allowed; }
.row { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 12px; border: 1px dashed var(--border); border-radius: 12px; margin-bottom: 10px; }
.row .top { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.msg { padding: 10px 14px; border-radius: 12px; margin: 12px 0; font-weight: 600; }
.msg.ok { background: #e7f8ee; color: var(--ok); }
.msg.err { background: #fde8e8; color: var(--danger); }
.msg.info { background: #eaf1ff; color: var(--primary-dark); }
.qrbox { text-align: center; }
.qrbox canvas, .qrbox img { max-width: 260px; width: 100%; height: auto; border: 8px solid #fff; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.link { direction: ltr; word-break: break-all; color: var(--primary-dark); font-weight: 600; }
.price { font-size: 1.3rem; font-weight: 800; }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tabs button { margin: 0; background: #e8eef9; color: var(--primary-dark); }
.tabs button.active { background: var(--primary); color: #fff; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.topbar button { margin: 0; width: auto; padding: 6px 14px; }
.badge { display: inline-block; background: #e7f8ee; color: var(--ok); border-radius: 999px; padding: 2px 12px; font-weight: 700; font-size: .85rem; }
.badge.warn { background: #fff4e0; color: #b45309; }

/* public page */
.pub-title { text-align: center; margin: 24px 0 18px; font-size: 1.6rem; }
.item { display: flex; align-items: center; justify-content: space-between; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-bottom: 12px; }
.item .meta { min-width: 0; }
.item .lbl { color: var(--muted); font-size: .85rem; }
.item .val { font-weight: 800; font-size: 1.1rem; direction: ltr; text-align: right; word-break: break-all; }
.item .actions { display: flex; gap: 6px; }
.item button, .item a.btn { margin: 0; width: auto; padding: 8px 14px; font-size: .9rem; border-radius: 10px; text-decoration: none; background: var(--primary); color: #fff; font-weight: 700; }
.footer { text-align: center; color: var(--muted); font-size: .8rem; margin-top: 30px; }