/* ============================================================
 * 门店布局可视化系统 —— Apple HIG 设计系统
 * 浅色 / 深色双主题（跟随系统 prefers-color-scheme）
 * ============================================================ */

/* ---------- 设计令牌：浅色（默认） ---------- */
:root {
  /* 字体栈（SF Pro / PingFang，中文回退） */
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
          "Microsoft YaHei", "微软雅黑", sans-serif;

  /* 背景分层 */
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --panel-solid: #ffffff;
  --panel2: #f2f2f7;
  --fill: #f5f5f7;
  --glass: rgba(255, 255, 255, 0.78);       /* 毛玻璃底 */
  --glass-strong: rgba(255, 255, 255, 0.9); /* 高强调毛玻璃底 */
  --line: rgba(0, 0, 0, 0.1);               /* hairline 分隔 */
  --line-strong: rgba(0, 0, 0, 0.18);

  /* 文字 */
  --text: #1d1d1f;
  --text-secondary: rgba(60, 60, 67, 0.72);
  --muted: #6e6e73;
  --placeholder: rgba(60, 60, 67, 0.32);

  /* 系统色 */
  --accent: #0071e3;        /* Apple 蓝 */
  --accent-press: #0077ed;
  --accent-soft: rgba(0, 113, 227, 0.1);
  --accent-border: rgba(0, 113, 227, 0.32);
  --green: #34c759;
  --yellow: #ff9f0a;
  --red: #ff3b30;
  --warn: #ff9f0a;
  --danger: #ff3b30;
  --ok: #34c759;

  /* 连续圆角（随组件尺寸成比例） */
  --r-s: 7px;    /* 图标 / 小徽标 */
  --r-m: 10px;   /* 按钮 / 输入框 */
  --r-l: 14px;   /* 卡片 */
  --r-xl: 18px;  /* 面板 / 弹层 */
  --r-2xl: 24px; /* 大卡片 */
  --r-pill: 999px;

  /* 分层软阴影 */
  --sh-hairline: 0 0 0 1px rgba(0, 0, 0, 0.04);
  --sh-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --sh-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --sh-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
  --sh-float: 0 20px 60px rgba(0, 0, 0, 0.24);

  /* 工具栏等浮层毛玻璃 */
  --glass-blur: saturate(180%) blur(20px);

  /* 过渡 */
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* ---------- 设计令牌：深色（跟随系统） ---------- */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --bg-elevated: #151516;
    --panel-solid: #1c1c1e;
    --panel2: #2c2c2e;
    --fill: #1c1c1e;
    --glass: rgba(28, 28, 30, 0.72);
    --glass-strong: rgba(28, 28, 30, 0.88);
    --line: rgba(255, 255, 255, 0.12);
    --line-strong: rgba(255, 255, 255, 0.24);

    --text: #f5f5f7;
    --text-secondary: rgba(235, 235, 245, 0.62);
    --muted: #98989f;
    --placeholder: rgba(235, 235, 245, 0.32);

    --accent: #0a84ff;
    --accent-press: #409cff;
    --accent-soft: rgba(10, 132, 255, 0.16);
    --accent-border: rgba(10, 132, 255, 0.4);
    --green: #30d158;
    --yellow: #ffd60a;
    --red: #ff453a;
    --warn: #ffd60a;
    --danger: #ff453a;
    --ok: #30d158;

    --sh-hairline: 0 0 0 1px rgba(255, 255, 255, 0.06);
    --sh-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --sh-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    --sh-lg: 0 16px 48px rgba(0, 0, 0, 0.6);
    --sh-float: 0 24px 64px rgba(0, 0, 0, 0.7);
  }
}

/* ================== 基础重置 ================== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; margin: 0 !important; padding: 0 !important; }
html {
  color-scheme: light dark;
}
body {
  font-family: var(--font);
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  letter-spacing: -0.01em;
}
/* 防误触蓝边/高亮，但保留正常边框与阴影 */
*, *::before, *::after {
  outline: none !important;
  -webkit-tap-highlight-color: transparent;
}
#app { display: flex; flex-direction: column; height: 100%; }

/* ================== 工具栏（毛玻璃 + 双行） ================== */
.toolbar {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--line);
  z-index: 5;
}
.toolbar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  flex-wrap: wrap;
}
.toolbar-row + .toolbar-row {
  border-top: 1px solid var(--line);
  padding-top: 8px;
  padding-bottom: 8px;
}
/* 编辑功能行：默认隐藏（由 JS setMode 控制） */
.edit-only { display: none; }
.edit-mode .edit-only { display: flex; }

/* 品牌标题 */
.brand {
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.02em;
  margin-right: 8px;
  white-space: nowrap;
  color: var(--text);
}
.brand .sub {
  font-size: 11px;
  color: var(--muted);
  font-weight: 400;
  margin-left: 8px;
  letter-spacing: 0;
}

/* 分段控件（iOS 风格） */
.seg {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
  background: var(--fill);
  gap: 0;
  padding: 2px;
}
.seg button {
  padding: 5px 12px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  border-radius: calc(var(--r-m) - 3px);
  transition: background .18s var(--ease), color .18s var(--ease), box-shadow .18s var(--ease);
  white-space: nowrap;
}
.seg button.active {
  background: var(--panel-solid);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--sh-sm);
}
.seg button:not(.active):hover { color: var(--text); }

/* ========== 场景切换 ========== */
#sceneSwitch {
  border: none;
  border-radius: 0;
  background: transparent;
  overflow: visible;
  padding: 0;
  gap: 0;
}
#sceneSwitch button {
  padding: 5px 16px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all .2s var(--ease);
}
#sceneSwitch button.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 10px rgba(0, 113, 227, 0.35);
}
#sceneSwitch button:not(.active):hover {
  background: var(--accent-soft);
  color: var(--text);
}

/* 场景下拉框（保留） */
#sceneSelect {
  height: 32px;
  font-size: 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--fill);
  color: var(--text);
  padding: 2px 30px 2px 12px;
  cursor: pointer;
  transition: border-color .2s, box-shadow .2s;
  max-width: 180px;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236e6e73' d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}
#sceneSelect:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

/* 工具栏按钮图标+文字两段式（撤销/重做/复制） */
.toolbar-row button .ic, .toolbar-row button .lb { display: inline-block; vertical-align: middle; }
.toolbar-row button .ic { font-size: 15px; line-height: 1; margin-right: 5px; }
.toolbar-row button .lb { font-size: 13px; }

/* 工具栏普通按钮 */
.toolbar-row > button {
  padding: 6px 12px;
  border-radius: var(--r-m);
  border: 1px solid transparent;
  background: var(--fill);
  color: var(--text);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background .16s var(--ease), border-color .16s var(--ease), box-shadow .16s var(--ease);
}
.toolbar-row > button:hover:not(:disabled) { background: var(--panel2); }
.toolbar-row > button:disabled { opacity: .4; cursor: not-allowed; }
.toolbar-row > button.on {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 10px rgba(0, 113, 227, 0.3);
}
/* 分隔线 */
.sep { width: 1px; height: 18px; background: var(--line); flex: none; }

/* 缩放 */
.zoom { margin-left: auto; display: flex; align-items: center; gap: 6px; }
#zoomLabel {
  font-size: 12px;
  color: var(--muted);
  min-width: 52px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

/* 工具栏下拉 */
.toolbar-row select {
  padding: 6px 8px;
  border-radius: var(--r-m);
  border: 1px solid transparent;
  background: var(--fill);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: border-color .16s;
}
.toolbar-row select:hover { border-color: var(--line-strong); }
.toolbar-row select option { background: var(--panel-solid); color: var(--text); }

/* 工具栏链接（散称拆包等）—— 苹果风文字按钮 */
.toolbar-link {
  margin-left: 4px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  border-radius: var(--r-pill);
  background: var(--accent-soft);
  white-space: nowrap;
  transition: background .16s var(--ease);
}
.toolbar-link:hover { background: var(--accent-border); }

/* ================== 画布 ================== */
main { flex: 1; display: flex; min-height: 0; position: relative; }
#canvasWrap {
  flex: 1;
  position: relative;
  min-width: 0;
  background:
    radial-gradient(ellipse at center, var(--bg-elevated) 0%, var(--bg) 100%);
}
canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}
canvas.drawing, canvas.placing { cursor: crosshair; }

/* 画布提示（毛玻璃胶囊） */
#polygonHint, #placeHint {
  position: absolute;
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 7px 18px;
  border-radius: var(--r-pill);
  font-size: 13px;
  pointer-events: none;
  z-index: 3;
  white-space: nowrap;
  box-shadow: var(--sh-sm);
}

/* ================== 侧边面板（卡片化） ================== */
#sidePanel {
  width: 372px;
  max-width: 60vw;
  border-left: 1px solid var(--line);
  background: var(--bg);
  overflow-y: auto;
  z-index: 30; /* 高于 .toolbar(5)/#sidebar(20)：移动端全屏详情必须盖住顶部选择栏 */
}
.hidden { display: none !important; }
.sheet-bar { display: none; }

/* ================== 可拖拽分隔条 ================== */
/* 仅 PC 端面板可见时使用；移动端保持隐藏（侧栏是 fixed 全屏卡片，逻辑不同） */
#splitter {
  flex: 0 0 6px;
  width: 6px;
  background: transparent;
  cursor: col-resize;
  position: relative;
  z-index: 5;
  /* 默认居中提示条 */
}
#splitter::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  background: var(--line);
  transition: background 0.15s;
}
#splitter:hover::before,
#splitter.dragging::before {
  background: var(--accent, #3b82f6);
  width: 2px;
}
#splitter:hover,
#splitter.dragging {
  background: var(--accent-soft, rgba(59, 130, 246, 0.08));
}
body[data-no-select] { user-select: none; -webkit-user-select: none; cursor: col-resize; }
body[data-no-select] * { cursor: col-resize !important; }

.panel-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 18px 12px;
}
.dot {
  width: 14px; height: 14px;
  border-radius: 4px;
  flex: none;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, .1);
}
.panel-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.panel-sub { font-size: 12px; color: var(--muted); margin-top: 3px; }
.badge {
  display: inline-block;
  background: var(--fill);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: var(--r-s);
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

/* 指标卡 */
.metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 6px 16px 14px;
}
.metric {
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: 12px 14px;
  box-shadow: var(--sh-hairline);
}
.metric span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  margin-bottom: 3px;
}
.metric b {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* 层分组（白色圆角卡片） */
.layer {
  margin: 0 16px 12px;
  background: var(--panel-solid);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: 12px 14px;
  box-shadow: var(--sh-hairline);
}
.layer-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
  flex-wrap: wrap;
}
.layer-title { font-weight: 700; font-size: 14px; color: var(--text); }
.muted { color: var(--muted); }

/* 商品表 */
.shelf-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.shelf-table th {
  color: var(--muted);
  font-weight: 500;
  text-align: right;
  padding: 5px 6px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.shelf-table th:first-child, .shelf-table td:first-child { text-align: left; }
.shelf-table td {
  padding: 7px 6px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}
.shelf-table tr:last-child td { border-bottom: none; }
.shelf-table td:first-child { white-space: normal; }
.pname { font-weight: 600; color: var(--text); }
.spec { font-size: 11px; color: var(--muted); margin-top: 1px; }
.num { font-variant-numeric: tabular-nums; }
.bar {
  position: relative;
  display: inline-block;
  min-width: 78px;
  height: 14px;
  line-height: 14px;
  vertical-align: middle;
}
.bar-fill {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: var(--accent);
  opacity: .85;
  border-radius: 3px;
  min-width: 2px;
}
.bar span { position: relative; font-size: 11px; padding-left: 4px; }
.panel-foot {
  padding: 14px 18px 20px;
  font-size: 11px;
  color: var(--muted);
}

/* 空状态（大留白居中） */
.panel-empty {
  padding: 72px 28px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
}

/* ================== 编辑面板字段 ================== */
.fields { padding: 6px 18px 10px; }
.field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.field label {
  width: 86px;
  flex: none;
  font-size: 13px;
  color: var(--muted);
}
.field input {
  flex: 1;
  min-width: 0;
  background: var(--fill);
  border: 1px solid transparent;
  border-radius: var(--r-m);
  color: var(--text);
  padding: 7px 11px;
  font-size: 14px;
  font-family: var(--font);
  transition: border-color .16s, box-shadow .16s;
}
.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field input.err {
  border-color: var(--danger);
  animation: shake .3s;
}
@keyframes shake {
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}
.row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}
.row span:last-child { color: var(--text); text-align: right; }
.hint-text {
  padding: 10px 18px;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}

/* 危险按钮 */
.danger {
  margin: 6px 18px 18px;
  width: calc(100% - 36px);
  padding: 9px;
  border-radius: var(--r-m);
  border: 1px solid var(--danger);
  background: rgba(255, 59, 48, .08);
  color: var(--danger);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .16s;
}
.danger:hover { background: rgba(255, 59, 48, .16); }

/* 面板操作区 */
.panel-actions { display: flex; gap: 8px; padding: 12px 18px 0; flex-wrap: wrap; }
.panel-actions button { flex: 1; margin: 0; width: auto; min-width: 0; }
.secondary {
  margin: 4px 0;
  padding: 9px;
  border-radius: var(--r-m);
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .16s;
}
.secondary:hover { background: var(--accent-border); }

/* ================== 状态栏 ================== */
.statusbar {
  display: flex;
  gap: 20px;
  padding: 7px 16px;
  background: var(--glass);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.statusbar span { white-space: nowrap; }

/* ================== 滚动条（纤细） ================== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--muted) 40%, transparent);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: color-mix(in srgb, var(--muted) 60%, transparent);
}
::-webkit-scrollbar-track { background: transparent; }
* { scrollbar-width: thin; scrollbar-color: color-mix(in srgb, var(--muted) 40%, transparent) transparent; }

/* ================== 右键菜单（毛玻璃浮层） ================== */
.ctx-menu {
  position: fixed;
  z-index: 20;
  min-width: 176px;
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  padding: 5px;
  box-shadow: var(--sh-lg);
  animation: menuIn .14s var(--ease);
}
@keyframes menuIn {
  from { opacity: 0; transform: scale(.96); }
  to   { opacity: 1; transform: scale(1); }
}
.ctx-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 12px;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  border-radius: var(--r-s);
  cursor: pointer;
  white-space: nowrap;
  transition: background .12s;
}
.ctx-menu button:hover:not(:disabled) { background: var(--accent); color: #fff; }
.ctx-menu button:disabled { opacity: .4; cursor: not-allowed; }
.ctx-menu button.danger-item:hover { background: var(--danger); }

/* ================== Toast（毛玻璃胶囊） ================== */
.toast {
  position: fixed;
  bottom: 52px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 25;
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 9px 20px;
  border-radius: var(--r-pill);
  font-size: 13px;
  pointer-events: none;
  box-shadow: var(--sh-md);
  max-width: 80vw;
}
.toast.show { animation: toastIn .2s var(--ease); }
@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 10px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ================== 画布设置面板（浮动卡片） ================== */
.settings-panel {
  position: fixed;
  top: 84px;
  right: 20px;
  width: 280px;
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  z-index: 200;
  overflow: hidden;
}
.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px 8px;
  font-weight: 600;
  font-size: 15px;
}
.settings-header button {
  background: var(--fill);
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--muted);
  padding: 4px 8px;
  border-radius: var(--r-pill);
  transition: background .14s;
}
.settings-header button:hover { background: var(--panel2); color: var(--text); }
.settings-body { padding: 6px 16px 16px; }
/* 画布设置面板的说明行：仓库场景显示「跟随卖场 / 仓库自己的尺寸」 */
.cfg-hint {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
  background: var(--fill);
  border-radius: var(--r-m);
  padding: 8px 10px;
  margin: 0 0 12px;
}
.cfg-hint.hidden { display: none; }
.settings-body .field {
  display: block;
  border: none;
  margin-bottom: 12px;
  padding: 0;
}
.settings-body .field label {
  display: block;
  width: auto;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.settings-body .field input {
  width: 100%;
  padding: 8px 11px;
  border: 1px solid var(--line);
  background: var(--fill);
  border-radius: var(--r-m);
  font-size: 14px;
  font-family: var(--font);
}
.settings-body .field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.settings-body button.primary {
  width: 100%;
  padding: 9px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--r-m);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background .16s;
}
.settings-body button.primary:hover { background: var(--accent-press); }
/* 次级按钮（画布设置里的「恢复跟随卖场」） */
.settings-body button.secondary {
  width: 100%;
  margin-top: 8px;
  padding: 8px;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-m);
  font-size: 13px;
  cursor: pointer;
  transition: background .16s;
}
.settings-body button.secondary:hover { background: var(--fill); }
.settings-body button.secondary.hidden { display: none; }

/* ================== FAB（iOS 圆形悬浮按钮） ================== */
.fab-mode {
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 500;
  line-height: 1;
  user-select: none;
  -webkit-user-select: none;
}
.fab-mode.fab-icon { padding: 0; }

/* PC：画布设置已移入顶部工具条（原悬浮 FAB 样式废除） */

/* 移动端 FAB（浏览/3D/适应；设置已入工具条） */
@media (max-width: 768px) {
  .fab-mode {
    display: flex;
    position: fixed;
    right: 14px;
    z-index: 50;
    width: 50px;
    height: 50px;
    padding: 0;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: var(--glass-strong);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    color: var(--text);
    box-shadow: var(--sh-md);
    cursor: pointer;
    touch-action: manipulation;
    transition: transform .16s var(--ease);
  }
  .fab-mode:active { transform: scale(.92); }
  #fabMode     { bottom: 146px; }
  #fabView     { bottom: 82px;  }
  #fabFit      { bottom: 18px;  }
}

/* 跟随选中顶点的浮动删除按钮 */
.fab-vertex-delete {
  position: absolute;
  z-index: 50;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: none;
  background: #e53e3e;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,.25);
  cursor: pointer;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  transition: transform .1s ease;
}
.fab-vertex-delete:active { transform: translate(-50%, -50%) scale(.9); }
.fab-vertex-delete.hidden { display: none; }
@media (min-width: 769px) {
  .fab-vertex-delete { display: none !important; }
}

/* ================== 通用确认弹窗 ================== */
.modal-mask {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, .4);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-box {
  width: min(92vw, 340px);
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 24px 22px 16px;
  box-shadow: var(--sh-float);
  animation: modalPop .2s var(--ease);
}
@keyframes modalPop {
  from { transform: scale(.94); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.modal-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.modal-msg {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 20px;
  white-space: pre-wrap;
  word-break: break-word;
}
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }
.modal-btn {
  min-height: 40px;
  padding: 8px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--fill);
  color: var(--accent);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  touch-action: manipulation;
  transition: background .14s;
}
.modal-btn:hover { background: var(--panel2); }
.modal-btn:active { transform: scale(.97); }
.modal-btn.modal-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.modal-btn.modal-danger:hover { filter: brightness(1.08); }

/* ==== 场景下拉浮层（仓库/卖场二级菜单，Apple 风格 popover） ==== */
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .18);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  z-index: 299;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.bottom-drawer {
  position: fixed;
  left: 240px;
  width: min(400px, calc(100vw - 24px));
  top: var(--drawer-top, auto);
  background: var(--glass-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  z-index: 300;
  clip-path: inset(0 0 100% 0);
  transition: clip-path .24s cubic-bezier(.4, 0, .2, 1);
  overflow-y: auto;
  max-height: 60vh;
  padding: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.bottom-drawer::-webkit-scrollbar {
  display: none !important;
  width: 0 !important;
  height: 0 !important;
}
.drawer-group-label,
.drawer-section-title {
  padding: 10px 12px 4px;
  font-size: 11px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .04em;
}
.drawer-section { padding: 0 0 8px; }
.drawer-group { padding: 2px; }
.drawer-item {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  margin: 2px 0;
  border-radius: var(--r-m);
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  gap: 8px;
  transition: background .12s var(--ease), color .12s var(--ease);
}
.drawer-item:hover { background: var(--fill); }
.drawer-item:active { background: var(--panel2); }
.drawer-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.drawer-item.active::after {
  content: '✓';
  margin-left: auto;
  font-weight: 700;
  font-size: 13px;
}
.drawer-item .sub { font-size: 11px; color: var(--muted); margin-left: auto; }
.drawer-item.active .sub { color: var(--accent); opacity: .72; margin-left: 0; }
.drawer-item.active::before,
.drawer-group .drawer-item.selected::before { display: none !important; content: none !important; }
.drawer-empty { padding: 22px 14px; text-align: center; color: var(--muted); }

/* =========================================================
 * 移动端适配（断点 768px）
 * ========================================================= */
@media (max-width: 768px) {
  html, body, #app { height: 100%; margin: 0 !important; padding: 0 !important; }
  @supports (height: 100dvh) {
    html, body, #app { height: 100dvh; }
  }
  body {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    overscroll-behavior: none;
  }
  input, textarea, select {
    -webkit-user-select: text;
    user-select: text;
  }
  .brand { display: none; }

  .toolbar-row {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -ms-overflow-style: none;
    gap: 6px;
    padding: 8px 10px;
    padding-left: max(10px, env(safe-area-inset-left));
  }
  .toolbar-row::-webkit-scrollbar { display: none; }
  .toolbar-row + .toolbar-row {
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .toolbar-row > * { scroll-snap-align: start; }
  .toolbar-row > button, .toolbar-row select, .seg button {
    min-height: 40px;
    padding: 6px 10px;
    font-size: 13px;
    flex: none;
    touch-action: manipulation;
  }

  /* 抽屉从按钮位置向下展开（保持原逻辑） */
  .bottom-drawer { top: var(--drawer-top, auto); }

  /* 场景按钮 */
  .scene-seg {
    display: inline-flex;
    border-radius: var(--r-m);
    overflow: visible;
    background: transparent;
    position: relative;
  }
  .scene-seg button {
    padding: 6px 14px;
    border: none;
    background: transparent;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
    border-radius: var(--r-pill);
    transition: background .15s, color .15s;
  }
  .scene-seg button.active { background: var(--accent); color: #fff; }
  .scene-seg button:not(.active):hover { background: var(--accent-soft); }

  /* 缩放：左对齐 */
  .zoom { margin-left: 0; flex: none; }
  #zoomLabel { font-size: 11px; }

  /* 提示条 */
  #polygonHint, #placeHint {
    white-space: normal;
    max-width: calc(100vw - 24px);
    font-size: 12px;
    padding: 6px 14px;
    text-align: center;
    line-height: 1.5;
  }

  /* 详情面板：底部全屏卡片 */
  #sidePanel {
    position: fixed;
    inset: 0;
    width: 100%;
    max-width: 100%;
    border-left: none;
    border-top: 1px solid var(--line);
    background: var(--bg);
    box-shadow: 0 -12px 40px rgba(0, 0, 0, .18);
    z-index: 300; /* 盖住 toolbar/sidebar/FAB，真全屏；低于弹窗(sdModalMask 80? 用 300 保持弹窗在其上) */
  }
  .sheet-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--bg);
  }
  /* 返回按钮（内套式页面导航）：点击回上一层（地图） */
  .sheet-back {
    border: none;
    background: transparent;
    color: var(--text);
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: none;
  }
  .sheet-back:active { background: var(--fill); }
  .sheet-grip {
    width: 36px;
    height: 5px;
    background: var(--line-strong);
    border-radius: 3px;
    margin: 0 auto;
  }
  .sheet-close {
    border: none;
    background: var(--fill);
    color: var(--text-secondary);
    font-size: 14px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* 设置面板居中 */
  .settings-panel {
    inset: 0;
    width: min(92vw, 360px);
    height: max-content;
    max-height: 80vh;
    margin: auto;
    border-radius: var(--r-2xl);
    overflow: auto;
    box-shadow: var(--sh-float);
  }

  /* Toast 抬高避免 FAB */
  .toast { bottom: 170px; }
  .statusbar { display: none; }

  footer.statusbar, .bottom-drawer, .toast {
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  #statusSaved { display: none; }
  #statusCursor { flex: 1; text-align: right; }
  .toolbar .only-pc { display: none !important; }

  /* 移动端侧栏：改用抽屉模式（下方"窄屏：侧栏变抽屉"规则接管）；
     汉堡按钮 #btnSidebar 移动端可见，点击开抽屉；遮罩由 1602 行基础规则 + sidebar-open 接管 */
  /* 确保画布全宽，不受侧栏影响 */
  #canvasWrap { margin-left: 0 !important; padding-left: 0 !important; left: 0 !important; }

  /* 撤销/重做/复制只显图标 */
  #btnUndo .lb, #btnRedo .lb, #btnDup .lb { display: none; }
  #btnUndo .ic, #btnRedo .ic, #btnDup .ic { margin-right: 0; font-size: 18px; }
  #btnUndo, #btnRedo, #btnDup { min-width: 40px; padding: 6px 8px; flex: none; }
  #btnDelete { display: none !important; }

  /* 移动端详情面板：sd-wide 不再缩成右侧窄条（那是 PC 形态），回归全屏卡片，仅保留 flex 布局 */
  #sidePanel.sd-wide:not(.hidden) {
    display: flex !important;
    flex-direction: column !important;
    width: 100% !important;
    max-width: 100% !important;
  }
  /* sd-wide 即便被 .hidden 关闭，仍保留子元素的布局属性（不会闪一下）；
     display 在 :not(.hidden) 分支里决定，关掉时让 .hidden 真正生效 */
  #sidePanel.sd-wide.hidden > #sheetBar,
  #sidePanel.sd-wide.hidden > #panelBody { flex: none !important; width: auto !important; }
  #sidePanel.sd-wide > #sheetBar { flex: none !important; width: auto !important; min-width: 0 !important; }
  #sidePanel.sd-wide > #panelBody {
    flex: 1 1 auto !important;
    width: 100% !important;
    min-width: 0 !important;
    overflow-y: auto !important;
    padding-top: max(10px, env(safe-area-inset-top, 0px)); /* 删掉旧顶栏后内容不贴刘海 */
    -webkit-overflow-scrolling: touch;
  }

  /* 方案 A 移动端卡片：直接约束子元素 */
  #sidePanel.sd-wide .panel-head {
    padding: 20px 20px 14px;
    gap: 12px;
  }
  #sidePanel.sd-wide .panel-head .panel-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
  }
  #sidePanel.sd-wide .panel-head .panel-sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
  }
  #sidePanel.sd-wide .dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
  }
  #sidePanel.sd-wide .badge {
    font-size: 11px;
    padding: 2px 8px;
  }

  /* 指标卡：3 列 */
  #sidePanel.sd-wide .metrics {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    padding: 4px 16px 16px;
  }
  #sidePanel.sd-wide .metric {
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 14px 12px;
    box-shadow: var(--sh-hairline);
  }
  #sidePanel.sd-wide .metric span {
    display: block;
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 4px;
  }
  #sidePanel.sd-wide .metric b {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
  }

  /* 层分组 */
  #sidePanel.sd-wide .layer {
    margin: 0 14px 14px;
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px 14px 12px;
    box-shadow: var(--sh-hairline);
  }
  #sidePanel.sd-wide .layer-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 12px;
    flex-wrap: wrap;
  }
  #sidePanel.sd-wide .layer-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--text);
  }
  #sidePanel.sd-wide .shelf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
  }
  #sidePanel.sd-wide .shelf-table th {
    color: var(--muted);
    font-weight: 500;
    text-align: right;
    padding: 6px 4px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
    font-size: 11px;
  }
  #sidePanel.sd-wide .shelf-table td {
    padding: 8px 4px;
    border-bottom: 1px solid var(--line);
    text-align: right;
    white-space: nowrap;
    font-size: 12px;
  }
  #sidePanel.sd-wide .shelf-table td:first-child { text-align: left; }
  #sidePanel.sd-wide .shelf-table tr:last-child td { border-bottom: none; }
  #sidePanel.sd-wide .pname { font-weight: 600; font-size: 12px; }
  #sidePanel.sd-wide .spec { font-size: 11px; color: var(--muted); margin-top: 1px; }
  #sidePanel.sd-wide .num { font-variant-numeric: tabular-nums; }
  #sidePanel.sd-wide .panel-foot {
    padding: 14px 18px env(safe-area-inset-bottom, 20px);
    font-size: 11px;
    color: var(--muted);
  }
  /* 打开侧边详情面板时隐藏画布 */
  #app.viewing-panel #bodyWrap { display: none; }

  /* ========== 方案 A：简洁信息流移动端卡片 ========== */
  /* 面板头部：大标题大字 */
  .panel-head {
    padding: 20px 20px 14px;
    gap: 12px;
  }
  .dot {
    width: 12px;
    height: 12px;
    border-radius: 3px;
  }
  .panel-title {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
  }
  .panel-sub {
    font-size: 12px;
    color: var(--muted);
    margin-top: 2px;
  }
  .badge {
    font-size: 11px;
    padding: 2px 8px;
  }

  /* 指标卡：2 列，间距宽松 */
  .metrics {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    padding: 4px 16px 16px;
  }
  .metric {
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 14px 14px 12px;
    box-shadow: var(--sh-hairline);
    margin-bottom: 0;
  }
  .metric span {
    display: block;
    font-size: 11px;
    color: var(--muted);
    margin-bottom: 4px;
  }
  .metric b {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
  }

  /* 层分组：左侧色块标签，信息流堆叠 */
  .layer {
    margin: 0 14px 14px;
    background: var(--panel-solid);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 14px 14px 12px;
    box-shadow: var(--sh-hairline);
  }
  .layer-head {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 12px;
    flex-wrap: wrap;
  }
  .layer-title {
    font-weight: 700;
    font-size: 14px;
    color: var(--text);
  }
  .shelf-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
  }
  .shelf-table th {
    color: var(--muted);
    font-weight: 500;
    text-align: right;
    padding: 6px 4px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
    font-size: 11px;
  }
  .shelf-table th:first-child,
  .shelf-table td:first-child {
    text-align: left;
  }
  .shelf-table td {
    padding: 8px 4px;
    border-bottom: 1px solid var(--line);
    text-align: right;
    white-space: nowrap;
    font-size: 12px;
  }
  .shelf-table tr:last-child td {
    border-bottom: none;
  }
  .shelf-table td:first-child {
    white-space: normal;
  }
  .pname {
    font-weight: 600;
    font-size: 12px;
    color: var(--text);
  }
  .spec {
    font-size: 11px;
    color: var(--muted);
    margin-top: 1px;
  }
  .num {
    font-variant-numeric: tabular-nums;
  }
  .bar {
    position: relative;
    display: inline-block;
    min-width: 60px;
    height: 14px;
    line-height: 14px;
    vertical-align: middle;
  }
  .bar-fill {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--accent);
    opacity: .85;
    border-radius: 3px;
    min-width: 2px;
  }
  .bar span {
    position: relative;
    font-size: 11px;
    padding-left: 4px;
  }

  /* 底部留安全区 */
  .panel-foot {
    padding: 14px 18px env(safe-area-inset-bottom, 20px);
    font-size: 11px;
    color: var(--muted);
  }

  /* 空状态 */
  .panel-empty {
    padding: 60px 28px;
    text-align: center;
    color: var(--muted);
    font-size: 14px;
  }
}

/* =========================================================
 * 侧栏布局 Sidebar：左侧导航 + 右侧工作区（桌面常驻 / 窄屏抽屉）
 * ========================================================= */
#bodyWrap {
  display: flex;
  flex: 1;
  min-height: 0;
  min-width: 0;
  overflow: hidden;
}
#contentCol {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  min-height: 0;
}
/* 工具条收进中间视图：作为内容列头部，不参与纵向伸缩 */
#contentCol > .toolbar { flex: none; }
#contentCol > .statusbar { flex: none; }

/* ---------- 侧栏本体 ---------- */
#sidebar {
  flex: none;
  width: 224px;
  display: flex;
  flex-direction: column;
  background: var(--panel-solid);
  border-right: 1px solid var(--line);
  padding: 14px 10px 10px;
  overflow: hidden;
  transition: width .22s var(--ease);
  z-index: 20;
}
.side-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 2px 8px 14px;
  min-height: 30px;
  white-space: nowrap;
  overflow: hidden;
}
.side-mark {
  flex: none;
  width: 27px; height: 27px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--accent) 38%, transparent);
}
.side-mark svg { width: 15px; height: 15px; }
.side-name {
  font-size: 14px; font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
  overflow: hidden; text-overflow: ellipsis;
}
.side-sub {
  display: block;
  font-size: 10.5px;
  color: var(--muted);
  font-weight: 400;
  margin-top: 1px;
}
.side-head .side-close { display: none; } /* 仅移动端抽屉显示；提高优先级避免被 .btn-icon 覆盖 */

nav.side-nav {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted) 36%, transparent) transparent;
}
.side-nav-group { margin: 2px 0 18px; }
.side-nav-title {
  padding: 0 10px 6px;
  font-size: 11px; font-weight: 600;
  color: var(--muted);
  letter-spacing: .08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
}
.side-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 1px 0;
  padding: 7px 10px;
  border-radius: var(--r-m);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  transition: background .14s var(--ease), color .14s var(--ease);
}
.side-nav-item .ic {
  flex: none;
  width: 22px; height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
}
.side-nav-item .ic svg { width: 19px; height: 19px; }
.side-nav-item .lb { overflow: hidden; text-overflow: ellipsis; }
.side-nav-item:hover { background: var(--fill); }
.side-nav-item:active { transform: scale(.98); }
.side-nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}
.side-nav-item.active .ic { color: var(--accent); }
.side-foot {
  margin-top: 6px;
  padding: 10px 10px 2px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  overflow: hidden;
}

/* ---------- 折叠为图标栏 ---------- */
body.sidebar-collapsed #sidebar { width: 60px; padding-left: 8px; padding-right: 8px; }
body.sidebar-collapsed .side-head { justify-content: center; padding-left: 0; padding-right: 0; }
body.sidebar-collapsed .side-mark { width: 30px; height: 30px; }
body.sidebar-collapsed .side-name,
body.sidebar-collapsed .side-sub,
body.sidebar-collapsed .side-nav-title,
body.sidebar-collapsed .side-foot { display: none; }
body.sidebar-collapsed .side-nav-item { justify-content: center; padding-left: 0; padding-right: 0; }
body.sidebar-collapsed .side-nav-item .lb { display: none; }
body.sidebar-collapsed .side-nav-item .ic { width: auto; height: auto; }

/* ---------- 通用图标按钮（汉堡 / 关闭） ---------- */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  background: var(--fill);
  color: var(--text);
  cursor: pointer;
  flex: none;
  touch-action: manipulation;
  transition: background .16s var(--ease), transform .1s var(--ease);
}
.btn-icon:hover { background: var(--panel2); }
.btn-icon:active { transform: scale(.92); }
.toolbar-row .btn-icon { height: 34px; padding: 0; border-radius: var(--r-pill); background: var(--fill); }
.btn-icon:focus-visible,
.side-nav-item:focus-visible {
  box-shadow: 0 0 0 3px var(--accent-border);
}

/* 遮罩（仅移动端抽屉使用；桌面隐藏） */
#sidebarMask {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .34);
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s var(--ease);
  z-index: 449;
}
@media (min-width: 769px) {
  #sidebarMask { display: none; }
}

/* ---------- 窄屏：侧栏变抽屉（遮罩 + 关闭入口） ---------- */
@media (max-width: 768px) {
  #sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 460;
    width: min(286px, 86vw);
    background: var(--panel-solid);
    border-right: 1px solid var(--line);
    box-shadow: var(--sh-lg);
    padding-top: max(14px, env(safe-area-inset-top, 0px));
    overflow-y: auto;
    transform: translateX(-104%);
    transition: transform .26s var(--ease);
  }
  body.sidebar-open #sidebar { transform: none; }
  body.sidebar-open #sidebarMask { opacity: 1; pointer-events: auto; }
  /* ⚠️ 窄屏必须让「折叠态」样式整体让位：抽屉永远整宽、永远带文字。
     否则 body 上残留的 sidebar-collapsed（桌面偏好/程序动作留下的）会把抽屉
     压成 60px 图标栏，文字全没、顶部两个同款图标叠在一起（用户报障原话）。 */
  body.sidebar-collapsed #sidebar,
  body.sidebar-open.sidebar-collapsed #sidebar {
    width: min(286px, 86vw);
    padding-left: 10px;
    padding-right: 10px;
  }
  body.sidebar-collapsed .side-head { justify-content: flex-start; padding-left: 8px; padding-right: 8px; }
  body.sidebar-collapsed .side-mark { width: 27px; height: 27px; }
  body.sidebar-collapsed .side-name,
  body.sidebar-collapsed .side-sub,
  body.sidebar-collapsed .side-nav-title,
  body.sidebar-collapsed .side-foot { display: block; }
  body.sidebar-collapsed .side-nav-item { justify-content: flex-start; padding-left: 10px; padding-right: 10px; }
  body.sidebar-collapsed .side-nav-item .lb { display: inline; }
  body.sidebar-collapsed .side-nav-item .ic { width: 22px; height: 22px; }
  .side-head .side-close { display: inline-flex; margin-left: auto; }
  /* 窄屏：场景下拉改为近全宽浮层 */
  .bottom-drawer {
    left: 10px !important;
    right: 10px !important;
    width: auto !important;
  }
  /* 抽屉打开时锁滚动 */
  body.sidebar-open { overflow: hidden; }
}
/* =========================================================
 * /侧栏布局
 * ========================================================= */

/* 工具条微调：隐藏 px/m 缩放标签；画布设置按钮（原 FAB 移入工具条）右对齐 */
.zoom { display: none !important; }
.toolbar-row > #fabSettings { margin-left: auto; }

/* ===== 货架陈列明细面板（移植自货架交互原型 · scoping 到 #shelfDetail）===== */
#shelfDetail{margin-top:10px;border-top:1px solid var(--line);position:relative;padding:4px 6px;background:linear-gradient(#c8c8c8,#a8a8a8) top/100% 3px no-repeat,linear-gradient(#c8c8c8,#a8a8a8) bottom/100% 3px no-repeat,linear-gradient(#b0b0b0,#b0b0b0) left/4px 100% no-repeat,linear-gradient(#b0b0b0,#b0b0b0) right/4px 100% no-repeat;border-radius:4px}
#shelfDetail .sd-head, #sdModal .sd-head{padding:11px 2px 8px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
#shelfDetail .sd-kpis, #sdModal .sd-kpis{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
#shelfDetail .sd-kpi, #sdModal .sd-kpi{background:var(--panel2);border:1px solid var(--line);border-radius:8px;padding:6px 10px;min-width:70px}
 #shelfDetail .sd-kpi .k, #sdModal .sd-kpi .k{font-size:10.5px;color:var(--muted)}
 #shelfDetail .sd-kpi .v, #sdModal .sd-kpi .v{font-size:15px;font-weight:650;line-height:1.35}
 #shelfDetail .sd-kpi .v small, #sdModal .sd-kpi .v small{font-size:10.5px;font-weight:400;color:var(--muted)}
#shelfDetail .sd-dist, #sdModal .sd-dist{display:flex;border-radius:5px;overflow:hidden;border:1px solid var(--line);min-width:110px}
 #shelfDetail .sd-dist i, #sdModal .sd-dist i{display:block;height:100%}
#shelfDetail .sd-note, #sdModal .sd-note{font-size:11.5px;color:var(--muted);background:var(--panel2);border-left:2px solid var(--line);padding:6px 10px;border-radius:0 6px 6px 0;margin-bottom:12px}
#shelfDetail .sd-elev, #sdModal .sd-elev{overflow-x:auto;padding-bottom:6px}
#shelfDetail .sd-grid, #sdModal .sd-grid{display:grid;gap:4px;min-width:max-content}
#shelfDetail .sd-segh, #sdModal .sd-segh{background:var(--panel2);border:1px solid var(--line);border-radius:6px;padding:5px 2px;text-align:center;font-size:10.5px;color:var(--muted);font-family:ui-monospace,Menlo,monospace}
#shelfDetail .sd-rlab, #sdModal .sd-rlab{background:var(--panel2);border:1px solid var(--line);border-radius:6px;display:flex;align-items:center;justify-content:flex-end;padding:0 8px;font-size:11px;color:var(--text-secondary);white-space:nowrap}
#shelfDetail .sd-cell, #sdModal .sd-cell{border:1px solid var(--line-strong);border-radius:6px;padding:6px 7px;cursor:pointer;overflow:hidden;transition:.11s;min-height:44px;display:flex;flex-direction:column;justify-content:center;position:relative}
 #shelfDetail .sd-cell:hover, #sdModal .sd-cell:hover{box-shadow:0 2px 7px rgba(20,30,50,.16)}
 #shelfDetail .sd-cell.sel, #sdModal .sd-cell.sel{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
 #shelfDetail .sd-cell.sd-empty, #sdModal .sd-cell.sd-empty{background:var(--panel2);border-style:dashed;border-color:var(--line);cursor:default}
 #shelfDetail .sd-cell .sd-nm, #sdModal .sd-cell .sd-nm{font-size:11.5px;font-weight:600;line-height:1.35;word-break:break-all;color:#1d1d1f;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
 #shelfDetail .sd-cell .sd-sub, #sdModal .sd-cell .sd-sub{font-size:10px;color:rgba(0,0,0,.55);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
 #shelfDetail .sd-cell .sd-gd, #sdModal .sd-cell .sd-gd{position:absolute;top:3px;right:4px;font-size:9.5px;font-weight:800;color:rgba(0,0,0,.45)}
 #shelfDetail .sd-cell .sd-pl, #sdModal .sd-cell .sd-pl{position:absolute;bottom:3px;right:4px;font-size:9px;color:#92400e;background:#fef3c7;border-radius:3px;padding:0 3px;font-weight:600}
 #shelfDetail .sd-cell .sd-sp2, #sdModal .sd-cell .sd-sp2{position:absolute;top:3px;left:4px;font-size:9px;background:rgba(255,255,255,.82);border:1px solid var(--line);border-radius:3px;padding:0 3px;color:rgba(0,0,0,.6);font-weight:600}
 #shelfDetail .sd-cell.multi .sd-nm, #sdModal .sd-cell.multi .sd-nm{font-size:10.5px}
#shelfDetail .sd-detailbox, #sdModal .sd-detailbox{min-height:60px}
#shelfDetail .sd-dhd, #sdModal .sd-dhd{border-bottom:1px solid var(--line);padding:11px 2px}
 #shelfDetail .sd-dhd .t, #sdModal .sd-dhd .t{font-size:14px;font-weight:650;line-height:1.4;color:var(--text)}
 #shelfDetail .sd-dhd .s, #sdModal .sd-dhd .s{font-size:11.5px;color:var(--muted);margin-top:3px}
#shelfDetail .sd-badge, #sdModal .sd-badge{display:inline-block;padding:1px 8px;border-radius:5px;font-size:11.5px;font-weight:700;border:1px solid rgba(0,0,0,.15);margin-right:5px;color:#1d1d1f}
#shelfDetail .sd-src, #sdModal .sd-src{display:inline-block;font-size:10px;color:var(--muted);background:var(--panel2);border-radius:4px;padding:1px 5px;font-family:ui-monospace,Menlo,monospace}
#shelfDetail .sd-sec, #sdModal .sd-sec{padding:11px 2px;border-bottom:1px solid var(--line)}
#shelfDetail .sd-lbl, #sdModal .sd-lbl{font-size:10.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
#shelfDetail .sd-kv, #sdModal .sd-kv{display:grid;grid-template-columns:78px 1fr;gap:5px 10px;font-size:12.5px;margin:0}
 #shelfDetail .sd-kv dt, #sdModal .sd-kv dt{color:var(--muted)}
 #shelfDetail .sd-kv dd, #sdModal .sd-kv dd{margin:0;color:var(--text)}
#shelfDetail .sd-mono, #sdModal .sd-mono{font-family:ui-monospace,Menlo,monospace;font-size:11.5px}
#shelfDetail .sd-mrow, #sdModal .sd-mrow{display:flex;align-items:center;gap:8px;margin-bottom:8px}
 #shelfDetail .sd-mrow:last-child, #sdModal .sd-mrow:last-child{margin-bottom:0}
 #shelfDetail .sd-mrow .lb, #sdModal .sd-mrow .lb{width:62px;font-size:11.5px;color:var(--muted);flex:none}
 #shelfDetail .sd-mrow .tr, #sdModal .sd-mrow .tr{flex:1;height:7px;background:var(--panel2);border-radius:4px;position:relative;overflow:hidden}
 #shelfDetail .sd-mrow .tr i, #sdModal .sd-mrow .tr i{display:block;height:100%;border-radius:4px}
 #shelfDetail .sd-mrow .tr .th, #sdModal .sd-mrow .tr .th{position:absolute;top:-2px;width:2px;height:11px;background:var(--text);opacity:.55}
 #shelfDetail .sd-mrow .vv, #sdModal .sd-mrow .vv{width:66px;text-align:right;font-size:12px;font-weight:600;flex:none;font-family:ui-monospace,Menlo,monospace;color:var(--text)}
#shelfDetail .sd-warnbox, #sdModal .sd-warnbox{background:var(--panel2);border:1px solid var(--line-strong);border-radius:7px;padding:8px 11px;font-size:11.5px;color:var(--text-secondary);margin-bottom:10px}
#shelfDetail .sd-blank, #sdModal .sd-blank{padding:26px 10px;text-align:center;color:var(--muted);font-size:12.5px;line-height:1.8}

/* ===== 无数据空态：4 层骨架占位（脉冲动画），提示语居中收窄 ===== */
#shelfDetail .sd-empty-tip, #sdModal .sd-empty-tip{padding:20px 14px 26px;max-width:420px;margin:0 auto;color:var(--muted);font-size:12.5px;line-height:1.85;text-align:center}
/* 选择器需压过 #shelfDetail .sd-cell.sd-fw.sd-empty（min-height:0） */
#shelfDetail .sd-skeleton .sd-cell.sd-fw.sd-empty.sd-ph, #sdModal .sd-skeleton .sd-cell.sd-fw.sd-empty.sd-ph{
  height:46px;min-height:46px;border-radius:8px;opacity:1;cursor:default;
  border:1px dashed var(--line);background:var(--panel2);
  background-image:linear-gradient(90deg,rgba(127,127,127,.10) 25%,rgba(127,127,127,.20) 37%,rgba(127,127,127,.10) 63%);
  background-size:400% 100%;animation:sd-ph 1.5s ease-in-out infinite;
}
/* 黑箱层：整层置灰（色带 + 货位卡背景） */
#shelfDetail .sd-row4.sd-dark .sd-band, #sdModal .sd-row4.sd-dark .sd-band{background:#8e8e93 !important}
#shelfDetail .sd-row4.sd-dark .sd-cells, #sdModal .sd-row4.sd-dark .sd-cells{background:rgba(142,142,147,.10);border-radius:8px}
#shelfDetail .sd-row4.sd-dark .sd-cell, #sdModal .sd-row4.sd-dark .sd-cell{background:rgba(142,142,147,.16);border-color:rgba(142,142,147,.45)}
/* 骨架态的黑箱占位卡：需压过 .sd-skeleton .sd-cell.sd-fw.sd-empty.sd-ph 的灰白脉冲 */
#shelfDetail .sd-skeleton.sd-dark .sd-cell.sd-fw.sd-empty.sd-ph, #sdModal .sd-skeleton.sd-dark .sd-cell.sd-fw.sd-empty.sd-ph{
  border-color:rgba(142,142,147,.5);
  background-color:rgba(142,142,147,.16);
  background-image:linear-gradient(90deg,rgba(142,142,147,.16) 25%,rgba(142,142,147,.30) 37%,rgba(142,142,147,.16) 63%);
  background-size:400% 100%;
}
#shelfDetail .sd-row4.sd-dark .sd-cell .sd-nm, #sdModal .sd-row4.sd-dark .sd-cell .sd-nm{color:#3a3a3c}
#shelfDetail .sd-row4.sd-dark .shelf-top-line, #sdModal .sd-row4.sd-dark .shelf-top-line,
#shelfDetail .sd-row4.sd-dark .shelf-bottom-line, #sdModal .sd-row4.sd-dark .shelf-bottom-line{background:rgba(142,142,147,.5)}
/* 顶部轻量「更新中…」提示：不清空内容，避免点击闪屏 */
#shelfDetail .sd-liveupd, #sdModal .sd-liveupd{
  position:sticky;top:0;z-index:3;float:right;margin:-2px 0 0 8px;
  font-size:10.5px;color:var(--muted);background:var(--panel2);border:1px solid var(--line);
  border-radius:999px;padding:1px 8px;animation:sdPulse 1s ease-in-out infinite;pointer-events:none;
}
#shelfDetail .sd-skeleton .sd-band small, #sdModal .sd-skeleton .sd-band small{opacity:.75}
@keyframes sd-ph{0%{background-position:100% 50%}100%{background-position:0 50%}}
@media (prefers-reduced-motion: reduce){
  #shelfDetail .sd-skeleton .sd-cell.sd-fw.sd-empty.sd-ph, #sdModal .sd-skeleton .sd-cell.sd-fw.sd-empty.sd-ph{animation:none}
}

/* ===== 陈列明细三栏模式：左画布保留，右面板展宽为「立面展开图 | 货位详情」===== */
#shelfDetail .sd-cols, #sdModal .sd-cols { display: grid; grid-template-columns: minmax(0, 1fr) 288px; gap: 0; align-items: start; }
#shelfDetail .sd-mid, #sdModal .sd-mid { min-width: 0; padding: 2px 16px 2px 2px; border-right: 1px solid var(--line); }
#shelfDetail .sd-right, #sdModal .sd-right { padding: 2px 2px 2px 16px; position: sticky; top: 0; max-height: calc(100vh - 130px); overflow-y: auto; }
#shelfDetail .sd-elev, #sdModal .sd-elev { overflow-x: auto; padding-bottom: 6px; }

/* ===== 陈列明细布局优化：左地图 + 右面板（保持原布局）+ 间距协调 ===== */
#sidePanel.sd-wide { width: 420px; }
#shelfDetail .sd-grid, #sdModal .sd-grid { min-width: 0; }
 #shelfDetail .sd-cell .sd-nm, #sdModal .sd-cell .sd-nm { -webkit-line-clamp: 2; }
#sdBigDetail .sd-sec { padding: 10px 2px; }

/* ===== 货位详情弹窗 ===== */
#sdModalMask { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.32); z-index: 400; display: flex; align-items: center; justify-content: center; transition: opacity .22s var(--ease, ease); }
#sdModal { width: min(460px, 92vw); max-height: 84vh; overflow-y: auto; background: var(--panel-solid, #fff); border-radius: 14px; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3); padding: 2px 18px 16px; box-sizing: border-box; transition: opacity .2s var(--ease, ease), transform .22s var(--ease, ease); transform: scale(1) translateY(0); }
/* 进入动画初始态：mask+modal 同时淡入+上移 */
.sd-modal-enter { opacity: 0 !important; }
.sd-modal-enter #sdModal { opacity: 0; transform: scale(0.96) translateY(8px); }
/* 退出动画终态 */
.sd-modal-leave { opacity: 0 !important; pointer-events: none; }
.sd-modal-leave #sdModal { opacity: 0; transform: scale(0.96) translateY(8px); }

/* ===== 回收站（删除记录）弹窗 ===== */
#recycleMask { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.32); z-index: 90; }
#recycleModal {
  /* 固定最小尺寸 + 贴顶：1 条时弹窗 360 高（不缩），多条时自适应到 86vh；列表区 flex:1 滚动。
     避免 1 条时上下大量留空 / 居中漂浮。 */
  position: fixed; top: 24px; left: 50%; transform: translateX(-50%);
  z-index: 91;
  width: min(820px, 94vw); min-height: 360px; max-height: calc(100vh - 48px);
  display: flex; flex-direction: column;
  background: var(--panel-solid, #fff);
  border-radius: 14px; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
  box-sizing: border-box; padding: 0;
  /* 最近删除：表头与行共用列宽（全选 / 名称 / 层数 / 货品 / 操作端 / 时间 / 剩余 / 操作） */
  --rec-cols: 36px minmax(0, 1.6fr) 56px 70px 76px 120px 78px 104px;
}
.recycle-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px 12px; border-bottom: 1px solid var(--line);
}
.recycle-head h2 { margin: 0; font-size: 16px; font-weight: 600; color: var(--text); letter-spacing: 0.2px; }
.recycle-toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 18px; border-bottom: 1px solid var(--line);
  font-size: 13px; color: var(--text);
}
.recycle-toolbar label { display: inline-flex; align-items: center; gap: 6px; }
.recycle-toolbar label > span { color: var(--muted); font-size: 12px; }
.recycle-toolbar select {
  font-size: 13px; padding: 4px 8px; border-radius: 8px;
  border: 1px solid var(--line-strong); background: var(--panel-solid, #fff); color: var(--text);
  min-width: 130px;
}
.recycle-toolbar .recycle-selall { cursor: pointer; user-select: none; }
.recycle-toolbar .recycle-selall input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }
.recycle-toolbar .recycle-selall > span { color: var(--text); font-size: 12px; }
.recycle-toolbar .primary {
  padding: 4px 12px; border-radius: var(--r-m); border: none;
  background: var(--accent); color: #fff; font-weight: 600; cursor: pointer; font-size: 12px;
  transition: background .15s var(--ease);
}
.recycle-toolbar .primary:hover { background: var(--accent-press); }
.recycle-toolbar .primary:disabled { background: var(--line); color: var(--muted); cursor: not-allowed; }
.recycle-toolbar .secondary {
  padding: 4px 10px; border-radius: var(--r-m);
  border: 1px solid var(--line-strong); background: transparent; color: var(--text); cursor: pointer; font-size: 12px;
}
.recycle-toolbar .secondary:hover { background: var(--fill); }
.recycle-toolbar .recycle-selall { cursor: pointer; user-select: none; }
.recycle-toolbar .recycle-selall input { width: 15px; height: 15px; accent-color: var(--accent); cursor: pointer; }
.recycle-toolbar .recycle-selall > span { color: var(--text); font-size: 12px; }
.recycle-toolbar .danger {
  width: auto; margin: 0; padding: 4px 10px; border-radius: var(--r-m);
  border: 1px solid #d63b30; background: transparent; color: #d63b30; cursor: pointer; font-size: 12px;
  transition: background .12s var(--ease);
}
.recycle-toolbar .danger:hover:not(:disabled) { background: rgba(214, 59, 48, .1); }
.recycle-toolbar .danger:disabled { border-color: var(--line); color: var(--muted); cursor: not-allowed; }
.recycle-summary { color: var(--muted); font-size: 12px; flex: 0 1 auto; min-width: 0; white-space: nowrap; }
/* 列表表头（与行同 grid，列宽一致） */
.recycle-thead {
  display: grid; grid-template-columns: var(--rec-cols);
  gap: 12px; align-items: center;
  padding: 8px 18px; border-bottom: 1px solid var(--line);
  background: var(--fill);
  font-size: 11.5px; font-weight: 600; color: var(--muted); letter-spacing: .2px;
}
.recycle-thead .c-layer, .recycle-thead .c-item, .recycle-thead .c-src, .recycle-thead .c-time, .recycle-thead .c-days { text-align: center; }
.recycle-thead .c-act { text-align: right; }
.recycle-list { flex: 1; overflow-y: auto; padding: 0; }
.recycle-item {
  display: grid;
  grid-template-columns: var(--rec-cols);
  gap: 12px; align-items: center;
  padding: 10px 18px; border-bottom: 1px solid var(--line);
  font-size: 13px;
}
.recycle-item:last-child { border-bottom: none; }
.recycle-item:hover { background: var(--fill); }
.recycle-item .chk { display: flex; align-items: center; justify-content: center; }
.recycle-item .chk input { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.recycle-item .name { font-weight: 600; color: var(--text); display: flex; flex-direction: column; gap: 2px; }
.recycle-item .name .meta { font-size: 11px; color: var(--muted); font-weight: 400; }
.recycle-item .name .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recycle-item .c-layer, .recycle-item .c-item {
  text-align: center; color: var(--text); font-size: 13px; font-variant-numeric: tabular-nums;
}
.recycle-item .c-layer small, .recycle-item .c-item small { color: var(--muted); font-size: 10.5px; margin-left: 1px; }
.recycle-item .c-src { text-align: center; }
.recycle-item .c-time { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; text-align: center; }
.recycle-item .c-days { text-align: center; color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.recycle-item .rec-src { display: inline-block; padding: 1px 7px; border-radius: 999px; font-size: 11px; line-height: 1.6; }
.recycle-item .actions { display: flex; gap: 6px; justify-content: flex-end; }
.recycle-item .actions button {
  padding: 5px 10px; border-radius: var(--r-s); border: 1px solid var(--line-strong);
  background: var(--panel-solid, #fff); color: var(--text); cursor: pointer; font-size: 12px;
  transition: background .12s var(--ease);
}
.recycle-item .actions button:hover { background: var(--accent-soft); border-color: var(--accent-border); color: var(--accent); }
.recycle-item .actions button.del { color: #d63b30; }
.recycle-item .actions button.del:hover { background: rgba(214, 59, 48, .1); border-color: #d63b30; color: #d63b30; }
.recycle-empty { padding: 60px 20px; text-align: center; color: var(--muted); font-size: 13px; }
@media (max-width: 720px) {
  #recycleModal { --rec-cols: 30px minmax(0, 1fr) 48px 60px auto; }
  .recycle-thead { display: none; }
  .recycle-item { row-gap: 6px; }
  .recycle-item .c-layer, .recycle-item .c-item { display: none; }
  .recycle-item .c-src { grid-column: 2 / 3; text-align: left; }
  .recycle-item .c-time { grid-column: 2 / 4; text-align: left; }
  .recycle-item .c-days { grid-column: 4 / 5; text-align: right; }
  .recycle-item .actions { grid-column: 3 / 5; grid-row: 1 / 4; align-self: center; }
}

/* ===== 立面图视觉优化：模拟货架分层摆位 ===== */
#shelfDetail .sd-elev, #sdModal .sd-elev { background: #fff; border: 1px solid var(--line, #e8e8e8); border-radius: 6px; padding: 4px; }
#shelfDetail .sd-grid, #sdModal .sd-grid { gap: 6px 6px; }
#shelfDetail .sd-segh, #sdModal .sd-segh { background: var(--panel-solid, #fff); font-weight: 700; color: var(--text, #1d1d1f); height: 26px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--line, #e5e5e5); }
#shelfDetail .sd-segh:first-of-type::before, #sdModal .sd-segh:first-of-type::before { content: "段宽 mm"; font-size: 9.5px; font-weight: 400; }
#shelfDetail .sd-rlab, #sdModal .sd-rlab { background: var(--panel-solid, #fff); font-weight: 600; font-size: 11px; color: var(--text, #1d1d1f); border: 1px solid var(--line, #e5e5e5); height: 28px; }
#shelfDetail .sd-cell, #sdModal .sd-cell { min-height: 62px; border-radius: 8px; border: 1px solid rgba(0,0,0,.14); box-shadow: 0 1px 2px rgba(0,0,0,.05); padding: 8px 9px; }
#shelfDetail .sd-cell.sd-empty, #sdModal .sd-cell.sd-empty { background: repeating-linear-gradient(45deg, transparent, transparent 6px, rgba(0,0,0,.025) 6px, rgba(0,0,0,.025) 12px); }
#shelfDetail .sd-cell .sd-nm, #sdModal .sd-cell .sd-nm { font-size: 12px; -webkit-line-clamp: 2; }
#shelfDetail .sd-cell .sd-sub, #sdModal .sd-cell .sd-sub { font-size: 10.5px; }
#shelfDetail .sd-cell .sd-gd, #sdModal .sd-cell .sd-gd { background: rgba(255,255,255,.65); border-radius: 3px; padding: 0 4px; top: 5px; right: 5px; }
#shelfDetail .sd-kpi, #sdModal .sd-kpi { background: var(--panel-solid, #fff); }
#shelfDetail .sd-kpi .v, #sdModal .sd-kpi .v { font-size: 16px; }
#shelfDetail .sd-grid > .sd-rlab:not(:first-child), #sdModal .sd-grid > .sd-rlab:not(:first-child) { margin-top: 2px; }

/* ===== 真实数据立面（每层一行 · 扫码记录横排）===== */
#shelfDetail .sd-lrow, #sdModal .sd-lrow { display: flex; align-items: stretch; gap: 6px; margin-bottom: 8px; }
#shelfDetail .sd-lrow .sd-rlab, #sdModal .sd-lrow .sd-rlab { flex: none; width: 96px; min-height: 56px; flex-direction: column; align-items: flex-start; justify-content: center; padding: 0 10px; line-height: 1.5; }
#shelfDetail .sd-lrow .sd-lcells, #sdModal .sd-lrow .sd-lcells { flex: 1; display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; }
#shelfDetail .sd-cell.sd-live, #sdModal .sd-cell.sd-live { flex: 1 1 168px; max-width: 260px; min-height: 56px; background: var(--panel-solid, #fff); }
#shelfDetail .sd-cell.sd-live:hover, #sdModal .sd-cell.sd-live:hover { border-color: var(--accent, #0a84ff); }
#shelfDetail .sd-cell.sd-emptyrow, #sdModal .sd-cell.sd-emptyrow { flex: 1 1 200px; min-height: 56px; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 11.5px; }
#shelfDetail .sd-ln, #sdModal .sd-ln { display: block; font-size: 10px; color: var(--muted); font-weight: 500; margin-top: 2px; }
#shelfDetail .sd-cell .sd-q, #sdModal .sd-cell .sd-q { position: absolute; top: 5px; right: 6px; font-size: 10px; font-weight: 800; color: #fff; background: #378ADD; border-radius: 4px; padding: 1px 5px; }
#shelfDetail .sd-loading, #sdModal .sd-loading { display: inline-block; animation: sdPulse 1s ease-in-out infinite; }
@keyframes sdPulse { 0%,100% { opacity: .45; } 50% { opacity: 1; } }

/* ===== 货架正面照 · 风格4 彩带行 + 拖拽（真实数据立面）===== */
#shelfDetail .sd-row4, #sdModal .sd-row4 { display: block; margin-bottom: 6px; }
#shelfDetail .sd-row4 .sd-band, #sdModal .sd-row4 .sd-band { width: 100%; height: 22px; color: #fff; display: flex; flex-direction: row; align-items: center; justify-content: space-between; padding: 0 10px; font-size: 12px; font-weight: 600; border-radius: 4px 4px 0 0; overflow: hidden; box-sizing: border-box; }
#shelfDetail .sd-row4 .sd-band small, #sdModal .sd-row4 .sd-band small { display: inline; font-size: 10px; opacity: .9; font-weight: 500; }
/* 货架层板线条：每层商品行上下加浅灰色横线，模拟货架层板 */
#shelfDetail .sd-row4 .sd-cells, #sdModal .sd-row4 .sd-cells {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  background: #fff;
  border: 1px solid var(--line, #e8e8e8);
  border-top: none;
  border-radius: 0 0 4px 4px;
  min-height: 78px;
  overflow: hidden;
  align-items: stretch;
  min-width: 0;
}
/* 货架上层板线条：3px #dddddd 浅灰单色（模拟真实货架板，handoff 22:43 决策） */
#shelfDetail .sd-row4 .sd-cells .shelf-top-line,
#sdModal .sd-row4 .sd-cells .shelf-top-line {
  height: 2px;
  background: #ececec;
  width: 100%;
  flex: none;
}
/* 货架下层板线条：3px #dddddd 浅灰单色，与上层呼应 */
#shelfDetail .sd-row4 .sd-cells .shelf-bottom-line,
#sdModal .sd-row4 .sd-cells .shelf-bottom-line {
  display: block;
  height: 2px;
  background: #ececec;
  width: 100%;
  flex: none;
}
/* 商品卡片行：横向单行排列，卡片自适应均分宽度，gap 6px（handoff 22:43 决策） */
#shelfDetail .sd-row4 .sd-cells .sd-cards-row,
#sdModal .sd-row4 .sd-cells .sd-cards-row {
  display: flex;
  flex-wrap: nowrap;
  gap: 4px;
  padding: 6px 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  align-items: stretch;
}
#shelfDetail .sd-row4 .sd-cells .sd-cards-row::-webkit-scrollbar,
#sdModal .sd-row4 .sd-cells .sd-cards-row::-webkit-scrollbar { display: none; }
#shelfDetail .sd-row4 .sd-emptyrow, #sdModal .sd-row4 .sd-emptyrow { flex: 1; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 12px; background: #fafafa; border: 1px dashed #ccc; border-style: dashed; border-radius: 4px; margin: 6px 8px; min-height: 60px; }
/* 商品卡片：白色底 + 文字为主，无装饰 */
#shelfDetail .sd-cell.sd-fw, #sdModal .sd-cell.sd-fw {
  flex: 1 1 0;
  min-width: 0;
  max-width: none;
  position: relative;
  background: var(--panel-solid, #fff);
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8px 10px;
  cursor: grab;
  user-select: none;
  box-shadow: 0 1px 2px rgba(0,0,0,.05);
  transition: box-shadow .12s, opacity .12s;
  overflow: hidden;
}
#shelfDetail .sd-cell.sd-fw:hover, #sdModal .sd-cell.sd-fw:hover { border-color: var(--accent, #0a84ff); box-shadow: 0 2px 6px rgba(10,60,180,.12); }
/* 商品名称：显示完整文字，不截断 */
#shelfDetail .sd-cell.sd-fw .sd-nm, #sdModal .sd-cell.sd-fw .sd-nm {
  font-size: 13px;
  font-weight: 600;
  color: #1d1d1f;
  line-height: 1.35;
  display: block;
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: unset !important;
  -webkit-line-clamp: unset !important;
  -webkit-box-orient: unset !important;
}
/* 条码：显示完整文字，不截断 */
#shelfDetail .sd-cell.sd-fw .sd-code, #sdModal .sd-cell.sd-fw .sd-code {
  font-size: 11px;
  font-family: ui-monospace, Menlo, monospace;
  color: var(--muted);
  margin-top: 4px;
  display: block;
  white-space: normal !important;
  overflow: visible !important;
  text-overflow: unset !important;
  word-break: break-all;
}
#shelfDetail .sd-cell.sd-fw .sd-q, #sdModal .sd-cell.sd-fw .sd-q {
  position: absolute;
  top: 5px;
  right: 5px;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: #378ADD;
  border-radius: 3px;
  padding: 1px 5px;
  line-height: 1.2;
}
#shelfDetail .sd-cell.sd-fw.sd-dragging, #sdModal .sd-cell.sd-fw.sd-dragging { opacity: .4; border-style: dashed; border-color: var(--accent); cursor: grabbing; }
#shelfDetail .sd-cell.sd-fw.sd-over, #sdModal .sd-cell.sd-fw.sd-over { box-shadow: 0 0 0 2px var(--accent, #0a84ff); border-color: var(--accent); }
/* 空位占位卡：斜纹背景 + 虚线边框 + 居中"空位"标签 */
#shelfDetail .sd-cell.sd-fw.sd-empty, #sdModal .sd-cell.sd-fw.sd-empty {
  border: 1.5px dashed #b0b0b0;
  background: repeating-linear-gradient(45deg, #f5f5f5 0, #f5f5f5 5px, #ffffff 5px, #ffffff 10px);
  cursor: default;
  min-height: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* 空位卡居中标签 */
#shelfDetail .sd-cell.sd-fw.sd-empty::after, #sdModal .sd-cell.sd-fw.sd-empty::after {
  content: "空位";
  position: static;
  transform: none;
  font-size: 10.5px;
  color: #999;
  font-weight: 500;
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: 0.5px;
}

/* ===== 货架背景：默认白色简约（?bg=2 等同默认；其他风格已移除）===== */
#shelfDetail .sd-elev {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 6px;
  padding: 4px;
}
#shelfDetail .sd-row4 .sd-cells {
  background: #fff;
  border: 1px solid #f0f0f0;
}

/* ===== 移动端适配：货架正面（sd-elev / sd-row4 / 弹窗）===== */
@media (max-width: 768px) {
  /* 层带改横条：竖排文字改横排，占整行顶部 */
  #shelfDetail .sd-row4, #sdModal .sd-row4 { display: block; margin-bottom: 6px; }
  #shelfDetail .sd-row4 .sd-band, #sdModal .sd-row4 .sd-band {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 0 10px;
    border-radius: 4px 4px 0 0;
    font-size: 12px;
    height: 22px;
  }
  #shelfDetail .sd-row4 .sd-band small, #sdModal .sd-row4 .sd-band small { display: inline; font-size: 10px; opacity: .9; font-weight: 500; }
  /* 货位卡：行内横向滚动（保持立面从左到右语义） */
  #shelfDetail .sd-row4 .sd-cells, #sdModal .sd-row4 .sd-cells {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 0 0 4px 4px;
    padding: 6px 8px;
    gap: 4px;
    min-height: 78px;
  }
  #shelfDetail .sd-cell.sd-fw, #sdModal .sd-cell.sd-fw {
    flex: 1 1 0;
    width: auto;
    min-width: 0;
    min-height: 78px;
    touch-action: pan-x pan-y;
  }
  #shelfDetail .sd-cell.sd-fw .sd-nm, #sdModal .sd-cell.sd-fw .sd-nm {
    padding-right: 22px;
    white-space: normal !important;
    overflow: visible !important;
    text-overflow: unset !important;
    -webkit-line-clamp: unset !important;
  }
  #shelfDetail .sd-cell.sd-emptyrow, #sdModal .sd-cell.sd-emptyrow { flex: 1 1 auto; }
  /* KPI 指标：单行等分，不超出屏幕 */
  #shelfDetail .sd-kpis, #sdModal .sd-kpis { display: flex; gap: 6px; }
  #shelfDetail .sd-kpi, #sdModal .sd-kpi { flex: 1 1 0; min-width: 0; }
  #shelfDetail .sd-kpi, #sdModal .sd-kpi { min-width: 0; }
  #shelfDetail .sd-kpi .v, #sdModal .sd-kpi .v { font-size: 15px; }
  /* 标题行（货架正面 · xx + ↻刷新）允许换行 */
  #shelfDetail > div:first-child { flex-wrap: wrap; }
  /* 层带空态提示在窄屏下缩短 */
  #shelfDetail .sd-cell.sd-emptyrow, #sdModal .sd-cell.sd-emptyrow { font-size: 11px; padding: 6px 8px; text-align: center; }
  /* 弹窗：贴边全宽卡片 */
  #sdModal { width: min(460px, 94vw); max-height: 88vh; padding: 2px 14px 14px; }
}

.recycle-item .rec-extra{display:flex;gap:8px;align-items:center;margin-top:2px;font-size:12px;color:#666}
.recycle-item .rec-src{display:inline-block;padding:1px 7px;border-radius:999px;font-size:11px;line-height:1.6}
.recycle-item .rec-src.pc{background:#eee;color:#111}
.recycle-item .rec-src.mp{background:#111;color:#fff}
.recycle-item .rec-days.warn{color:#c0392b;font-weight:600}

/* 侧栏导航超高时可滚动；回收站加载/失败骨架 */
.side-nav{overflow-y:auto;max-height:calc(100vh - 140px);scrollbar-width:thin}
.side-nav::-webkit-scrollbar{width:6px}
.side-nav::-webkit-scrollbar-thumb{background:#ddd;border-radius:3px}
.recycle-loading{padding:24px;text-align:center;color:#888;font-size:13px}

/* ===== 移动端 sheet 顶部固定返回栏（不依赖 shelf-detail 渲染）===== */
#mobileSheetBar {
  position: fixed; top: 0; left: 0; right: 0;
  height: 48px; padding: 0 8px;
  display: flex; align-items: center; gap: 4px;
  background: var(--panel-solid, #fff);
  border-bottom: 1px solid var(--line, #e8e8e8);
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
  z-index: 60; /* 高于 #sidePanel(30) / .fab-mode(50) */
  padding-top: env(safe-area-inset-top, 0);
  box-sizing: border-box;
}
#mobileSheetBar.hidden { display: none !important; }
#mobileSheetBar #mobileSheetBack,
#mobileSheetBar #mobileSheetReload {
  width: 40px; height: 40px;
  border: none; background: transparent; color: var(--text, #1d1d1f);
  border-radius: 8px; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0; -webkit-tap-highlight-color: transparent;
}
#mobileSheetBar #mobileSheetBack:active,
#mobileSheetBar #mobileSheetReload:active { background: var(--fill, rgba(0,0,0,.05)); }
#mobileSheetBar #mobileSheetTitle {
  flex: 1; text-align: center;
  font-size: 15px; font-weight: 600; color: var(--text, #1d1d1f);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  padding: 0 4px;
}
/* PC 端：永远隐藏 */
@media (min-width: 769px) {
  #mobileSheetBar { display: none !important; }
}