:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --border: #e5e7eb;
  --primary: #00a86b;
  --primary-dark: #047857;
  --text: #111827;
  --text-2: #6b7280;
  --text-3: #9ca3af;
  --danger: #ef4444;
  --warn: #f59e0b;
  --shadow: 0 1px 3px rgba(0,0,0,.05), 0 1px 2px rgba(0,0,0,.04);
}
* { margin:0; padding:0; box-sizing:border-box; }
body {
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

header.topbar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display:flex; align-items:center; justify-content:space-between;
  position: sticky; top:0; z-index:50;
}
header.topbar .brand,
header.topbar .brand a {
  display:flex;
  align-items:center;
  gap:9px;
  font-size: 17px;
  font-weight: 800;
}
.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  flex: 0 0 auto;
  display:block;
  box-shadow: 0 4px 10px rgba(5,150,105,.18);
}
header.topbar nav a { margin-left: 18px; color: var(--text-2); font-size: 14px; }
header.topbar nav a:hover { color: var(--primary); }

main { max-width: 1100px; margin: 0 auto; padding: 28px 24px 60px; }
.hero {
  background: linear-gradient(135deg, #ecfdf5, #f0fdf4);
  border:1px solid #d1fae5;
  border-radius: 16px;
  padding: 28px 28px;
  margin-bottom: 22px;
}
.hero h1 { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.hero p {
  color: var(--text-2);
  font-size: 14px;
  white-space: pre-wrap;
  word-break: break-word;
}

.section-title { font-size: 16px; font-weight: 800; margin: 6px 0 14px; }

.shop-announcement {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-left: 4px solid var(--warn);
  border-radius: 12px;
  padding: 13px 14px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.shop-announcement--compact {
  margin-bottom: 14px;
  padding: 11px 12px;
  box-shadow: none;
}
.shop-announcement__title {
  color: #92400e;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 4px;
}
.shop-announcement__content {
  color: #78350f;
  font-size: 13.5px;
  line-height: 1.7;
  white-space: pre-wrap;
  word-break: break-word;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.product-card {
  background: var(--card);
  border:1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  display:flex; flex-direction:column;
  transition: transform .15s, box-shadow .15s;
  box-shadow: var(--shadow);
}
.product-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,.06); }
.product-card .cover {
  width:100%; aspect-ratio: 16/9; background:#f1f5f9 center/cover no-repeat;
  border-bottom:1px solid var(--border);
  position: relative;
}
.badge-auto {
  position: absolute;
  top: 8px; left: 8px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 9px;
  border-radius: 999px;
  box-shadow: 0 2px 6px rgba(16,185,129,.35);
  letter-spacing: .5px;
  z-index: 2;
}
.product-card .body { padding: 14px 14px 16px; flex:1; display:flex; flex-direction:column; }
.product-card .name { font-weight:800; font-size:15px; margin-bottom:4px; }
.product-card .sub { color: var(--text-2); font-size:12.5px; }
.product-card .sub:empty { display:none; }
.product-card .footer { margin-top: auto; padding-top: 12px; }
.product-card .price { color: var(--danger); font-weight: 800; font-size: 20px; line-height: 1.2; margin-bottom: 6px; }
.product-card .meta {
  display: flex; align-items: center; justify-content: space-between;
  color: var(--text-3); font-size: 12px; margin-bottom: 10px;
}
.product-card .meta .stock { color: var(--text-2); }
.product-card .meta .stock strong { color: var(--primary-dark); font-weight: 800; }
.product-card .meta .stock.empty { color: var(--danger); }
.product-card .meta .sold strong { color: var(--text); font-weight: 800; }

/* 售罄/禁用按钮 */
.btn.disabled, .btn:disabled,
a.btn.disabled, span.btn.disabled {
  background: #e5e7eb !important;
  color: #9ca3af !important;
  cursor: not-allowed;
  pointer-events: none;
  box-shadow: none !important;
  border: 1px solid #e5e7eb;
}

.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  background: var(--primary); color:#fff; border:0; border-radius:10px;
  padding: 9px 16px; font-size:14px; font-weight:700; cursor:pointer;
  transition: background .15s, transform .15s, opacity .15s;
  text-decoration:none;
}
.btn:hover { background: var(--primary-dark); }
.btn:disabled { opacity:.55; cursor:not-allowed; }
.btn.ghost { background:#fff; color: var(--text); border:1px solid var(--border); }
.btn.ghost:hover { border-color: var(--primary); color: var(--primary); background:#fff; }
.btn.block { width:100%; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b91c1c; }
.btn.warn { background: var(--warn); color:#111; }

.card {
  background: var(--card);
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.field { margin-bottom: 14px; }
.field label { display:block; font-size:12.5px; color:var(--text-2); font-weight:700; margin-bottom:6px; }
.input, select.input, textarea.input {
  width:100%; border:1px solid var(--border); border-radius:10px;
  padding: 11px 13px; font:inherit; font-size:14px; background:#fff;
  transition: border-color .15s, box-shadow .15s;
}
.input:focus { outline:none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(0,168,107,.12); }

.notice { padding: 10px 12px; border-radius: 10px; font-size:13px; color: var(--text-2); background: #f9fafb; border:1px solid var(--border); }
.notice.success { color:#065f46; background: rgba(16,185,129,.08); border-color: rgba(16,185,129,.25); }
.notice.error   { color:#991b1b; background: rgba(239,68,68,.08); border-color: rgba(239,68,68,.25); }
.notice.warn    { color:#92400e; background: rgba(245,158,11,.09); border-color: rgba(245,158,11,.25); }

.channels { display:grid; grid-template-columns: 1fr 1fr; gap:10px; }
.channel {
  border:2px solid var(--border); border-radius:12px; padding:14px;
  display:flex; align-items:center; gap:10px; cursor:pointer; background:#fff;
  font-weight:700; font-size:14px;
}
.channel.active { border-color: var(--primary); background: #f0fdf4; color: var(--primary-dark); }
.channel .ico { font-size:20px; }

table { width:100%; border-collapse: collapse; font-size:13px; }
table th, table td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; }
table th { background:#f9fafb; font-weight:700; color: var(--text-2); font-size:12px; }
table tr:hover td { background: #fafafa; }
.tag { display:inline-block; padding:2px 8px; border-radius:999px; font-size:11.5px; font-weight:700; }
.tag.pending   { color:#92400e; background: rgba(245,158,11,.15); }
.tag.paid      { color:#1d4ed8; background: rgba(59,130,246,.15); }
.tag.delivered { color:#065f46; background: rgba(16,185,129,.15); }
.tag.failed, .tag.expired { color:#991b1b; background: rgba(239,68,68,.15); }

.kbd {
  background:#0f172a; color:#e2e8f0; border-radius:8px; padding:14px;
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size:14px;
  word-break: break-all; user-select:all;
}

.layout { display:grid; grid-template-columns: 240px minmax(0,1fr); gap: 18px; }
@media (max-width: 900px) { .layout { grid-template-columns: 1fr; } }

.side {
  background:#fff; border:1px solid var(--border); border-radius:14px; padding:14px;
  position: sticky; top: 80px; align-self:start;
}
.side h3 { font-size:13px; color:var(--text-3); margin: 4px 0 10px; font-weight:700; text-transform: uppercase; letter-spacing:.5px; }
.side a { display:block; padding:9px 10px; border-radius:8px; font-size:14px; color:var(--text); }
.side a:hover { background: #f3f4f6; }
.side a.active { background:#ecfdf5; color: var(--primary-dark); font-weight:700; }

.toolbar { display:flex; gap:10px; align-items:center; flex-wrap:wrap; margin-bottom: 14px; }
.toolbar .grow { flex:1; }

.modal-bg { position:fixed; inset:0; background: rgba(15,23,42,.55); display:flex; align-items:center; justify-content:center; z-index:99; padding:20px; }
.modal { background:#fff; border-radius:14px; padding:18px 20px; width:100%; max-width: 560px; max-height: 90vh; overflow:auto; box-shadow: 0 20px 50px rgba(0,0,0,.2); }
.modal h3 { font-size:17px; font-weight:800; margin-bottom: 12px; }

/* 弹窗内字段紧凑布局 */
.modal .field { margin-bottom: 9px; }
.modal .field label { font-size:12px; margin-bottom:3px; line-height:1.3; }
.modal .input, .modal select.input, .modal textarea.input { padding: 8px 11px; font-size:13.5px; border-radius:8px; }
.modal textarea.input { min-height: 60px; }
.field-row { display:grid; gap:8px; }
.field-row.cols-2 { grid-template-columns: 1fr 1fr; }
.field-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.field-row .field { margin-bottom: 0; }

.stat-grid { display:grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap:14px; margin-bottom: 22px; }
.stat { background:#fff; border:1px solid var(--border); border-radius:14px; padding:16px; }
.stat .k { color:var(--text-3); font-size:12.5px; margin-bottom:6px; }
.stat .v { font-size:24px; font-weight:800; }
.stat.warn .v { color: var(--warn); }
.stat.ok .v { color: var(--primary); }

footer.foot { color: var(--text-3); font-size:12px; text-align:center; padding:18px; border-top:1px solid var(--border); margin-top:20px; }