/* 仓库统计单 · 影计 —— 移动优先的样式（无外链字体/图标，全部本地） */
:root {
  --bg: #f1f3f7;
  --card: #ffffff;
  --line: #e3e7ee;
  --text: #101828;
  --muted: #667085;
  --accent: #2563eb;
  --accent-soft: #eaf0ff;
  --ok: #067647;
  --ok-soft: #e7f6ee;
  --warn: #b54708;
  --warn-soft: #fdf1e3;
  --danger: #b42318;
  --danger-soft: #fdeceb;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

/* hidden 必须真的隐藏！
   .modal-bg 用了 display:grid、.drawer 用了 display:flex，类选择器的优先级高于浏览器
   默认的 [hidden]{display:none} —— 结果带 hidden 属性的登录弹窗（标题占位文字"标题"）
   和流水抽屉一直显示着，按钮点了也没反应，还盖住整个商品列表。这条是踩过坑加的。 */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

body { padding-bottom: env(safe-area-inset-bottom); }

h1, h2, h3 { margin: 0; font-weight: 650; }

/* ---------------- 顶栏 ---------------- */
.top {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 10px 14px; padding-top: calc(10px + env(safe-area-inset-top));
  background: #0f172a; color: #fff;
}
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.mark {
  flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: grid; place-items: center; font-weight: 700; font-size: 14px; letter-spacing: .5px;
}
.brand-text { min-width: 0; }
.brand h1 { font-size: 16px; line-height: 1.2; }
.sub { margin: 2px 0 0; font-size: 12px; color: #a9b4c7; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.top-actions { display: flex; gap: 6px; flex-wrap: nowrap; }
.icon-btn {
  border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .08); color: #fff;
  border-radius: 9px; padding: 7px 10px; font-size: 13px; cursor: pointer; white-space: nowrap;
}
.icon-btn:hover { background: rgba(255, 255, 255, .16); }
.icon-btn.bad { border-color: #f97066; background: rgba(249, 112, 102, .2); }

/* ---------------- 连接状态条 ---------------- */
.conn {
  display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 14px; font-size: 13px; text-align: center;
}
.conn.off { background: var(--danger-soft); color: var(--danger); }
.conn.slow { background: var(--warn-soft); color: var(--warn); }
.conn-text { flex: 0 1 auto; }
.conn-btn {
  flex: 0 0 auto; border: 1px solid currentColor; background: rgba(255, 255, 255, .55);
  color: inherit; border-radius: 8px; padding: 3px 10px; font-size: 12px; cursor: pointer;
}
.conn-btn:hover { background: #fff; }
.conn-btn[data-conn="close"] { padding: 3px 8px; font-weight: 700; }

/* ---------------- 概览 ---------------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
  padding: 12px 14px 4px;
}
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 9px 11px; box-shadow: var(--shadow);
}
.stat .k { font-size: 11px; color: var(--muted); }
.stat .v { font-size: 19px; font-weight: 700; margin-top: 1px; font-variant-numeric: tabular-nums; }
.stat.warn .v { color: var(--warn); }
.stat.danger .v { color: var(--danger); }

/* ---------------- 工具条 ---------------- */
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 14px 6px; }
.search { flex: 1 1 220px; min-width: 160px; }
.search input {
  width: 100%; padding: 9px 12px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); font-size: 14px; color: var(--text);
}
.search input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.tabs { display: flex; gap: 6px; overflow-x: auto; max-width: 100%; }
.tab {
  border: 1px solid var(--line); background: var(--card); color: var(--muted);
  padding: 6px 11px; border-radius: 999px; font-size: 13px; cursor: pointer; white-space: nowrap;
}
.tab.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.tool-right { display: flex; align-items: center; gap: 8px; }
.chk { display: flex; align-items: center; gap: 5px; font-size: 13px; color: var(--muted); white-space: nowrap; }
.btn {
  border: 1px solid var(--line); background: var(--card); color: var(--text);
  padding: 8px 12px; border-radius: 10px; font-size: 13px; cursor: pointer;
}
.btn:hover { background: #f8fafc; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; }

/* ---------------- 列表 ---------------- */
.list { padding: 6px 14px 20px; display: flex; flex-direction: column; gap: 8px; }
.empty { text-align: center; color: var(--muted); padding: 40px 14px; }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 10px 12px;
  display: grid; grid-template-columns: 1fr auto; gap: 8px 10px; align-items: center;
}
.card.low { border-color: #f7c99b; background: linear-gradient(0deg, #fffdfa, #fffdfa); }
.card.zero { border-color: #f3ada7; }
.card.flash { animation: flash 1.6s ease-out; }
@keyframes flash {
  0% { background: #fff6d8; transform: scale(1.008); }
  100% { background: var(--card); transform: scale(1); }
}
.card .name { font-weight: 600; font-size: 15px; line-height: 1.35; }
.card .name .cat { font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 6px; }
.card .meta { font-size: 12px; color: var(--muted); margin-top: 3px; display: flex; gap: 10px; flex-wrap: wrap; }
.card .meta b { color: #344054; font-weight: 600; }
.pill {
  display: inline-block; padding: 1px 6px; border-radius: 999px; font-size: 11px;
  background: var(--accent-soft); color: #1d4ed8;
}
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.danger { background: var(--danger-soft); color: var(--danger); }
.pill.ok { background: var(--ok-soft); color: var(--ok); }

.qty-box { display: flex; align-items: center; gap: 6px; justify-self: end; }
.qty {
  min-width: 74px; text-align: center; font-size: 22px; font-weight: 700;
  font-variant-numeric: tabular-nums; cursor: pointer; padding: 2px 6px; border-radius: 8px;
}
.qty:hover { background: var(--accent-soft); }
.qty .u { font-size: 11px; color: var(--muted); font-weight: 400; margin-left: 2px; }
.qty.low { color: var(--warn); }
.qty.zero { color: var(--danger); }
.step {
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line);
  background: #fff; font-size: 20px; line-height: 1; cursor: pointer; color: var(--text);
}
.step.minus { color: var(--danger); border-color: #f2c5c0; background: #fffafa; }
.step.plus { color: var(--ok); border-color: #bfe3ce; background: #f7fdfa; }
.step:active { transform: scale(.94); }
.card .fields { grid-column: 1 / -1; display: flex; gap: 6px; flex-wrap: wrap; }
.chip-btn {
  border: 1px dashed var(--line); background: transparent; color: var(--muted);
  border-radius: 8px; padding: 3px 8px; font-size: 12px; cursor: pointer;
}
.chip-btn:hover { border-color: var(--accent); color: var(--accent); }
.chip-btn b { color: #344054; }
.chip-btn.on { border-style: solid; border-color: #c7d7fe; background: var(--accent-soft); color: #1d4ed8; }

/* 分色：每个颜色一个可点的标签，点一下就盘点那个颜色的数量 */
.card .colors { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 7px; align-items: center; }
.cchip {
  border: 1px solid var(--line); background: #fbfcfe; color: #344054;
  border-radius: 999px; padding: 2px 9px; font-size: 12px; cursor: pointer;
  font-variant-numeric: tabular-nums; white-space: nowrap;
}
.cchip b { font-weight: 700; color: var(--text); margin-left: 2px; }
.cchip:hover { border-color: var(--accent); background: var(--accent-soft); }
.cchip:active { transform: scale(.96); }
.cchip.low { border-color: #f7c99b; background: var(--warn-soft); }
.cchip.low b { color: var(--warn); }
.cchip.zero { border-color: #f3ada7; background: var(--danger-soft); }
.cchip.zero b { color: var(--danger); }
.cchip.unc { border-style: dashed; color: var(--muted); }
.cchip.unc b { color: var(--muted); }
.cchip.add { border-style: dashed; color: var(--muted); padding: 2px 7px; }
.cchip.add:hover { color: var(--accent); }

.stat.color .v { color: var(--accent); }
.ltag {
  display: inline-block; padding: 0 6px; border-radius: 999px; font-size: 11px;
  font-weight: 500; background: var(--accent-soft); color: #1d4ed8; vertical-align: 1px;
}
.ltag.unc { background: #f2f4f7; color: var(--muted); }

/* 桌面端：表格化 */
@media (min-width: 900px) {
  .list { padding: 6px 20px 24px; }
  .stats { grid-template-columns: repeat(7, 1fr); padding: 14px 20px 4px; }
  .toolbar { padding: 10px 20px 6px; }
  .card { grid-template-columns: minmax(260px, 2.2fr) repeat(4, minmax(58px, .6fr)) minmax(110px, 1fr) auto; gap: 10px; }
  .card .fields { grid-column: auto; }
  .card .num { text-align: right; font-variant-numeric: tabular-nums; font-size: 14px; }
  .card .num .k { display: block; font-size: 10px; color: var(--muted); text-align: right; }
  .qty { font-size: 20px; }
}

/* ---------------- 抽屉 ---------------- */
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 100%);
  background: var(--card); border-left: 1px solid var(--line); z-index: 60;
  display: flex; flex-direction: column; box-shadow: -8px 0 24px rgba(16, 24, 40, .12);
}
.drawer-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--line); }
.drawer-head h2 { font-size: 15px; flex: 1; }
.badge { background: var(--accent-soft); color: #1d4ed8; border-radius: 999px; padding: 2px 9px; font-size: 12px; }
.drawer-body { flex: 1; overflow: auto; padding: 8px 14px 20px; }
.drawer-tip { margin: 0; padding: 10px 14px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.logrow {
  display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; align-items: center;
  padding: 9px 0; border-bottom: 1px dashed var(--line);
}
.logrow .l-name { font-size: 14px; font-weight: 550; }
.logrow .l-meta { font-size: 12px; color: var(--muted); }
.logrow .delta { font-weight: 700; font-variant-numeric: tabular-nums; }
.logrow .delta.plus { color: var(--ok); }
.logrow .delta.minus { color: var(--danger); }
.logrow .undo { grid-column: 2; justify-self: end; }

/* ---------------- 弹窗 ---------------- */
.modal-bg {
  position: fixed; inset: 0; background: rgba(16, 24, 40, .45); z-index: 80;
  display: grid; place-items: center; padding: 16px;
}
.modal {
  background: var(--card); border-radius: 14px; width: min(460px, 100%);
  max-height: 88vh; overflow: auto; padding: 16px;
}
.modal h3 { font-size: 16px; }
.modal-sub { margin: 4px 0 12px; font-size: 13px; color: var(--muted); }
.modal-body { display: flex; flex-direction: column; gap: 12px; }
.field label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.field input, .field textarea, .field select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 16px; font-family: inherit; color: var(--text); background: #fff;
}
.field input[type="number"] { font-size: 20px; font-weight: 600; font-variant-numeric: tabular-nums; }
.quick { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.quick button { flex: 0 0 auto; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }
.hint { font-size: 12px; color: var(--muted); }
.hint b { color: #344054; }

/* ---------------- 提示 ---------------- */
.toasts {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 90;
  display: flex; flex-direction: column; gap: 8px; width: min(520px, calc(100% - 24px));
}
.toast {
  background: #101828; color: #fff; padding: 10px 13px; border-radius: 10px; font-size: 14px;
  box-shadow: 0 8px 20px rgba(16, 24, 40, .24); animation: pop .18s ease-out;
}
.toast.err { background: var(--danger); }
.toast.ok { background: #05603a; }
@keyframes pop { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.foot { padding: 4px 14px 24px; font-size: 12px; color: var(--muted); text-align: center; }