/* 优惠券转卖控制台 — 移动优先，无横向滚动 */
:root {
  --bg: #f5f6f8; --card: #fff; --line: #e3e6ea; --text: #1c1f23; --muted: #6b7280;
  --primary: #2563eb; --danger: #dc2626; --warn: #d97706; --ok: #059669;
  --unknown: #b45309; --unknown-bg: #fef3c7;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.5;
  overflow-x: hidden;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 10px 12px 60px; }
.bar { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.topbar { position: sticky; top: 0; z-index: 10; background: var(--bg); padding: 8px 0; border-bottom: 1px solid var(--line); }
.stats { font-size: 14px; font-weight: 700; }
.nav a { color: var(--primary); text-decoration: none; margin-left: 12px; font-size: 14px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin: 10px 0; }
.card.done { opacity: .62; background: #f0f1f3; }
.card.expiring { border-color: var(--danger); box-shadow: 0 0 0 1px var(--danger); }
.card h3 { margin: 0 0 2px; font-size: 16px; word-break: break-word; }
.brand { color: var(--muted); font-size: 13px; }
.sent { color: var(--muted); font-size: 12px; }

.grp { margin-top: 8px; border-top: 1px dashed var(--line); padding-top: 6px; }
.grp-title { font-size: 12px; color: var(--muted); font-weight: 700; margin-bottom: 3px; }
.f { display: flex; flex-wrap: wrap; gap: 2px 16px; font-size: 14px; }
.kv { min-width: 0; max-width: 100%; word-break: break-word; }
.k { color: var(--muted); font-size: 12px; margin-right: 4px; }

.unknown { color: var(--unknown); background: var(--unknown-bg); border-radius: 4px; padding: 0 5px; font-size: 12px; white-space: nowrap; }
.unknown.strong { color: #fff; background: var(--danger); font-weight: 700; }
.badge { display: inline-block; border-radius: 4px; padding: 1px 6px; font-size: 12px; background: #eef2ff; color: #3730a3; margin-left: 6px; }
.warnflag { color: var(--warn); font-size: 12px; font-weight: 700; }

.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.stepper button { width: 38px; height: 38px; border: 0; background: #f3f4f6; font-size: 18px; line-height: 1; }
.stepper input { width: 56px; height: 38px; border: 0; text-align: center; font-size: 15px; -moz-appearance: textfield; }
.stepper input::-webkit-outer-spin-button, .stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

.btn { border: 1px solid var(--line); background: #fff; border-radius: 8px; padding: 9px 14px; font-size: 14px; cursor: pointer; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.danger { color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: 13px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; align-items: center; }
.result { font-weight: 700; }
.money { font-variant-numeric: tabular-nums; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; margin: 10px 0; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.tile .v { font-size: 20px; font-weight: 700; font-variant-numeric: tabular-nums; }
.tile .l { font-size: 12px; color: var(--muted); }
.tile.warn .v { color: var(--danger); }
.section-title { font-size: 14px; font-weight: 700; margin: 14px 0 4px; }

.st { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.st[data-s="已购入待上架"] { background: #e5e7eb; color: #374151; }
.st[data-s="已上架"] { background: #dbeafe; color: #1d4ed8; }
.st[data-s="已售出"] { background: #d1fae5; color: #047857; }
.st[data-s="已核销"] { background: #a7f3d0; color: #065f46; }
.st[data-s="退款中"] { background: #ffedd5; color: #c2410c; }
.st[data-s="已退款"] { background: #ede9fe; color: #6d28d9; }
.st[data-s="纠纷中"] { background: #fee2e2; color: #b91c1c; }
.st[data-s="退回库存"] { background: #e0f2fe; color: #0369a1; }
.st[data-s="过期作废"] { background: #fecaca; color: #7f1d1d; }
.st[data-s="候选"] { background: #e0e7ff; color: #3730a3; }
.st[data-s="已确认待采购"] { background: #d1fae5; color: #047857; }
.st[data-s="已否决"] { background: #e5e7eb; color: #374151; }

.code { font-family: ui-monospace, Consolas, monospace; font-size: 14px; }
.modal-mask { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 12px; }
.modal { background: #fff; border-radius: 12px; padding: 16px; width: min(430px, 94vw); max-height: 88vh; overflow: auto; }
.modal h3 { margin: 0 0 6px; font-size: 16px; }
.modal label { display: block; font-size: 13px; color: var(--muted); margin-top: 10px; }
.modal input, .modal select, .modal textarea { width: 100%; padding: 9px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; margin-top: 2px; font-family: inherit; }
.modal .err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); }
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }
.login-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; width: min(360px, 92vw); }
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card input { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 16px; margin: 10px 0; }
.login-card .btn { width: 100%; }