:root {
  --bg: #0d1117;
  --card: #161b22;
  --card2: #1c2330;
  --border: #2a3342;
  --text: #e8edf3;
  --muted: #8b949e;
  --accent: #7c5cff;
  --accent2: #00d4a4;
  --danger: #f85149;
  --warn: #d29922;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, "Noto Sans Myanmar", sans-serif;
  min-height: 100vh;
}
header.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(13,17,23,.95); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 12px 16px; display: flex; align-items: center; gap: 10px;
}
.logo {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
}
.shop-name { font-weight: 700; font-size: 17px; }
.tagline { color: var(--muted); font-size: 12px; }
.spacer { flex: 1; }
.btn {
  background: var(--accent); color: #fff; border: 0; border-radius: 10px;
  padding: 10px 18px; font-size: 15px; font-weight: 600; cursor: pointer;
}
.btn:active { transform: scale(.97); }
.btn.ghost { background: var(--card2); border: 1px solid var(--border); }
.btn.green { background: var(--accent2); }
.btn.red { background: var(--danger); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
main { max-width: 720px; margin: 0 auto; padding: 16px; }
h2 { font-size: 18px; margin: 18px 0 12px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px; cursor: pointer; transition: border-color .15s;
}
.card:hover { border-color: var(--accent); }
.card .gicon {
  width: 52px; height: 52px; border-radius: 12px; margin-bottom: 10px;
  background: linear-gradient(135deg, #2a3342, #1c2330);
  display: flex; align-items: center; justify-content: center; font-size: 26px;
  overflow: hidden;
}
.card .gicon img { width: 100%; height: 100%; object-fit: cover; }
.card .gname { font-weight: 600; font-size: 14px; }
.card .gsub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.product {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 12px;
}
.product .pinfo { flex: 1; }
.product .pname { font-weight: 600; font-size: 15px; }
.product .pmeta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.product .pprice { font-weight: 700; color: var(--accent2); font-size: 16px; white-space: nowrap; }
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 20;
  display: flex; align-items: flex-end; justify-content: center;
}
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: 18px 18px 0 0;
  width: 100%; max-width: 720px; max-height: 90vh; overflow-y: auto; padding: 20px 16px 28px;
}
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 12px; font-size: 16px;
}
.field input:focus { outline: none; border-color: var(--accent); }
.row { display: flex; gap: 10px; }
.row .btn { flex: 1; }
.status-box {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 16px; margin-top: 14px;
}
.pill {
  display: inline-block; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 700;
}
.pill.awaiting { background: #3a2f12; color: var(--warn); }
.pill.paid { background: #123a2c; color: var(--accent2); }
.pill.cancelled, .pill.failed { background: #3a1a1a; color: var(--danger); }
.pill.processing, .pill.pending, .pill.holding { background: #1a2a3a; color: #58a6ff; }
.pill.completed { background: #123a2c; color: var(--accent2); }
.gift-code {
  background: var(--bg); border: 1px dashed var(--accent2); border-radius: 10px;
  padding: 14px; font-size: 20px; font-weight: 800; text-align: center;
  letter-spacing: 2px; margin-top: 10px; user-select: all;
}
.hidden { display: none !important; }
.back { color: var(--muted); background: none; border: 0; font-size: 15px; cursor: pointer; margin-bottom: 8px; }
table.orders { width: 100%; border-collapse: collapse; font-size: 13px; }
table.orders th, table.orders td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.notice { background: #1a2a3a; border: 1px solid #2a4a6a; border-radius: 10px; padding: 12px; font-size: 14px; margin: 12px 0; }
.payinfo { background: var(--card2); border-radius: 10px; padding: 12px; font-size: 14px; margin: 12px 0; white-space: pre-wrap; }