:root {
  --bg: #f0f4f8;
  --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --card: #ffffff;
  --text: #1a202c;
  --text-secondary: #718096;
  --text-tertiary: #a0aec0;
  --border: #e2e8f0;
  --accent: #6c5ce7;
  --accent-hover: #5b4cdb;
  --success: #48bb78;
  --danger: #e53e3e;
  --warning: #ed8936;
  --info: #4299e1;
  --newproduct: #48bb78;
  --expiry: #ed8936;
  --radius: 12px;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
  --gap: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

/* ===== 顶栏 ===== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-gradient);
  color: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,0.15);
}

.title-wrap h1 {
  margin: 0;
  font-size: 20px;
  line-height: 1.2;
  color: #fff;
}

.subtitle {
  margin: 2px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.8);
}

.save-status {
  flex: 1;
  text-align: right;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  min-height: 18px;
}
.save-status.saving { color: #ffd54f; }
.save-status.saved { color: #81c784; font-weight: 600; }

.lock-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: none;
  border-radius: 999px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .1s, background .2s;
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}
.lock-btn:active { transform: scale(0.96); }
.lock-btn.unlocked { background: var(--success); }
.lock-icon { font-size: 16px; }

/* ===== Tab 栏 ===== */
.tab-bar {
  display: flex;
  gap: 0;
  background: #fff;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 56px;
  z-index: 50;
}
.tab-btn {
  flex: 1;
  padding: 14px 20px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color .15s, border-color .15s, background .15s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.tab-icon { font-size: 18px; }
.tab-btn:hover { color: var(--accent); background: rgba(108,92,231,0.04); }
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.tab-btn .tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--border);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 700;
  margin-left: 4px;
}
.tab-btn.active .tab-badge {
  background: var(--accent);
  color: #fff;
}

@media (max-width: 768px) {
  .tab-bar { padding: 0 8px; top: 52px; }
  .tab-btn { padding: 12px 8px; font-size: 14px; }
  .tab-icon { font-size: 16px; }
}

/* ===== 搜索栏 ===== */
.search-bar {
  padding: 8px 16px;
  max-width: 1000px;
  margin: 0 auto;
}
.search-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  font-size: 16px;
  pointer-events: none;
  opacity: 0.5;
}
.search-input {
  width: 100%;
  padding: 10px 36px 10px 38px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 15px;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94,92,230,0.12);
}
.search-clear {
  position: absolute;
  right: 8px;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: var(--text-tertiary);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

/* ===== 主内容 ===== */
.app {
  padding: 16px;
  max-width: 1000px;
  margin: 0 auto;
}

/* ===== 信息卡片 ===== */
.info-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: box-shadow .2s, transform .1s;
}
.info-card:hover { box-shadow: var(--shadow-lg); }

/* 收起相关样式已移除 */

/* 查看模式：图片只显示顶部区域 */
body:not(.edit-mode) .info-img-wrap {
  max-height: 180px;
  overflow: hidden;
}
body:not(.edit-mode) .info-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* 展开箭头 */
.card-arrow {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--text-tertiary);
  transition: transform .2s;
  user-select: none;
}

.info-card-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
}

.info-card-tag {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
}
.info-card-tag.newproduct { background: var(--newproduct); }
.info-card-tag.expiry { background: var(--expiry); }

.info-card-title {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.info-card-time {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.info-card-body {
  padding: 12px 16px 16px;
}

.info-card-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 12px;
}
.info-card-desc:empty { display: none; }

.info-card-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.info-card-images:empty { display: none; }

.info-img-wrap {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  cursor: zoom-in;
  border: 1px solid #d0d5dd;
  min-height: 80px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.info-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  transition: transform .2s, box-shadow .2s;
}
.info-img-wrap:hover {
  box-shadow: 0 4px 16px rgba(108,92,231,0.18);
  border-color: rgba(108,92,231,0.3);
}
.info-img-wrap:hover img { transform: scale(1.02); }

/* 图片标题 */
.img-caption {
  padding: 6px 8px 4px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
  background: #f8f9fa;
  border-top: 1px solid #e8e8ea;
}

/* 编辑模式下的操作按钮 */
.info-card-actions {
  display: none;
  gap: 8px;
  padding: 0 16px 12px;
  flex-wrap: wrap;
}
body.edit-mode .info-card-actions { display: flex; }

.info-action-btn {
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 4px;
}
.info-action-btn:hover { border-color: var(--accent); color: var(--accent); }
.info-action-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* 排序按钮 */
.info-card-move {
  display: none;
  gap: 4px;
  padding: 0 16px 12px;
}
body.edit-mode .info-card-move { display: flex; }

.move-btn-sm {
  width: 36px;
  height: 36px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  transition: all .15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.move-btn-sm:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.move-btn-sm:disabled { opacity: 0.3; cursor: not-allowed; }

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-tertiary);
}
.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state .empty-text { font-size: 15px; }
body.edit-mode .empty-state .empty-hint { font-size: 13px; margin-top: 8px; color: var(--accent); }

/* ===== 编辑工具栏 ===== */
.edit-toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.08);
}

.btn {
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: #edf2f7;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  transition: background .2s, transform .1s;
}
.btn:active { transform: scale(0.98); }
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-hover); }
.btn.danger { background: var(--danger); color: #fff; }

/* ===== 弹窗 ===== */
.modal {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 20px 0;
  overflow-y: auto;
  background: rgba(0,0,0,0.5);
}

.modal-content {
  width: min(90vw, 500px);
  max-height: calc(100vh - 40px);
  background: #fff;
  border-radius: var(--radius);
  padding: 24px;
  overflow-y: auto;
  box-shadow: 0 12px 40px rgba(0,0,0,0.2);
}

.modal-wide { width: min(90vw, 600px); }

.modal-content h3 { margin: 0 0 16px; font-size: 18px; }
.modal-content .hint {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-secondary);
}
.modal-content .input {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  margin-bottom: 8px;
}
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

/* 修复 hidden 属性 */
.modal[hidden],
.lightbox[hidden],
.edit-toolbar[hidden] {
  display: none !important;
}

/* ===== 编辑表单 ===== */
.edit-form .form-row {
  margin-bottom: 16px;
}
.edit-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.edit-form .required { color: var(--danger); }

.category-switch {
  display: flex;
  gap: 8px;
}
.cat-btn {
  flex: 1;
  padding: 10px;
  border: 2px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 14px;
  cursor: pointer;
  transition: all .15s;
}
.cat-btn:hover { border-color: var(--accent); }
.cat-btn.active {
  border-color: var(--accent);
  background: rgba(108,92,231,0.08);
  color: var(--accent);
  font-weight: 600;
}

.form-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}
.form-input:focus { outline: none; border-color: var(--accent); }

.form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
  line-height: 1.6;
}
.form-textarea:focus { outline: none; border-color: var(--accent); }

/* 上传区域 */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s, background .15s;
  min-height: 100px;
}
.upload-zone:hover { border-color: var(--accent); background: rgba(108,92,231,0.03); }
.upload-zone.dragover { border-color: var(--accent); background: rgba(108,92,231,0.08); }

.upload-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 14px;
}
.upload-icon { font-size: 32px; }

.upload-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}
.upload-preview:empty { margin-bottom: 0; }

.upload-preview:empty + .upload-hint { display: flex; }
.upload-preview:not(:empty) + .upload-hint { display: none; }

.preview-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid #d0d5dd;
  background: #fff;
  display: flex;
  flex-direction: column;
  cursor: grab;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.preview-item.dragging { opacity: 0.4; cursor: grabbing; }
.preview-item.drag-over { border-color: var(--accent); border-style: dashed; }
.preview-item:active { cursor: grabbing; }

.preview-drag-handle {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: rgba(255,255,255,0.8);
  background: rgba(0,0,0,0.3);
  border-radius: 4px;
  cursor: grab;
  z-index: 2;
  user-select: none;
}

.preview-img-wrap {
  position: relative;
  overflow: hidden;
  min-height: 80px;
}
.preview-img-wrap img {
  width: 100%;
  height: auto;
  object-fit: contain;
  pointer-events: none;
}
.preview-del {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 22px;
  height: 22px;
  border: none;
  border-radius: 50%;
  background: rgba(229,62,62,0.9);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.preview-label-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 4px;
  border-top: 1px solid var(--border);
  background: #f7fafc;
}
.preview-label-input {
  width: 100%;
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  text-align: center;
}
.preview-label-input:focus { outline: none; border-color: var(--accent); }

/* 图片标题输入 */
.preview-title-input {
  width: 100%;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 13px;
  background: #fff;
  color: var(--text);
}
.preview-title-input:focus { outline: none; border-color: var(--accent); }

.quick-label-btn {
  flex: 1;
  padding: 3px 4px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: #fff;
  color: var(--text-secondary);
  font-size: 11px;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
  min-width: 0;
}
.quick-label-btn:hover { border-color: var(--accent); color: var(--accent); }
.quick-label-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* 上传进度 */
.upload-progress {
  margin-top: 8px;
}
.upload-progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.upload-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width .2s;
}
.upload-progress-text {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== 图片放大 ===== */
.lightbox {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 300;
  background: rgba(0,0,0,0.92);
  display: flex;
  flex-direction: column;
  touch-action: none;
}
.lightbox-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  color: #fff;
  font-size: 14px;
}
.lightbox-close {
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: 24px;
  cursor: pointer;
}
.lightbox-viewport {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  touch-action: none;
}
.lightbox-viewport img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform .1s ease-out;
  transform-origin: center center;
  user-select: none;
  -webkit-user-drag: none;
}
.lightbox-tip {
  margin: 0;
  padding: 12px;
  text-align: center;
  color: rgba(255,255,255,0.6);
  font-size: 13px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  left: 50%;
  bottom: 100px;
  transform: translateX(-50%) translateY(20px);
  z-index: 400;
  padding: 10px 20px;
  background: rgba(26,32,44,0.92);
  color: #fff;
  font-size: 14px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s, transform .25s;
  white-space: nowrap;
  max-width: 90vw;
  overflow: hidden;
  text-overflow: ellipsis;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== 访问门 ===== */
.gate {
  position: fixed;
  top: 0; right: 0; bottom: 0; left: 0;
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-gradient);
  animation: gateFadeIn .3s ease-out;
}
@keyframes gateFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.gate[hidden] { display: none !important; }

.gate-card {
  width: min(90vw, 360px);
  background: #fff;
  border-radius: 20px;
  padding: 36px 28px 28px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
  animation: gateCardIn .35s cubic-bezier(.2,.8,.2,1);
}
@keyframes gateCardIn {
  from { transform: translateY(20px) scale(0.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.gate-logo { font-size: 48px; margin-bottom: 8px; }
.gate-title { margin: 0 0 6px; font-size: 22px; font-weight: 700; color: var(--text); }
.gate-subtitle { margin: 0 0 20px; font-size: 14px; color: var(--text-secondary); }
.gate-input {
  width: 100%;
  padding: 14px;
  border: 2px solid var(--border);
  border-radius: 12px;
  font-size: 16px;
  text-align: center;
  margin-bottom: 12px;
  outline: none;
  transition: border-color .2s;
}
.gate-input:focus { border-color: var(--accent); }
.gate-error { min-height: 20px; margin: 0 0 12px; font-size: 13px; color: var(--danger); }
.gate-btn {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .1s;
}
.gate-btn:active { transform: scale(0.97); }
.gate-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.gate-notice { margin: 16px 0 0; font-size: 12px; color: var(--text-secondary); }

/* 未登录时隐藏主内容 */
body.gating .topbar,
body.gating .tab-bar,
body.gating .app,
body.gating .edit-toolbar {
  display: none !important;
}

/* 编辑模式 */
body.edit-mode .app { padding-bottom: 80px; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .topbar { padding: 10px 12px; }
  .title-wrap h1 { font-size: 18px; }
  .subtitle { font-size: 11px; }
  .save-status { display: none; }
  .lock-text { display: none; }
  .app { padding: 12px; }
  .info-card-header { padding: 12px 12px 8px; }
  .info-card-title { font-size: 15px; }
  .info-card-body { padding: 8px 12px 12px; }
  .info-card-desc { font-size: 13px; }
  .info-card-images { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .edit-toolbar { flex-wrap: wrap; padding: 8px 12px; gap: 6px; }
  .edit-toolbar .btn { font-size: 13px; padding: 8px 12px; }
  .modal-content { width: 95vw; padding: 20px 16px; }
  .info-card-time { font-size: 11px; }
  /* 三个 tab 移动端紧凑布局 */
  .tab-btn { padding: 12px 4px; font-size: 13px; }
  .tab-btn .tab-icon { font-size: 15px; }
  .tab-btn .tab-badge { min-width: 18px; height: 18px; font-size: 10px; padding: 0 4px; }
  .category-switch { gap: 6px; }
  .cat-btn { padding: 8px 4px; font-size: 13px; }
}

@media (max-width: 480px) {
  .info-card-images { grid-template-columns: 1fr; }
  .upload-preview { grid-template-columns: repeat(2, 1fr); }
}

/* ===== 图片分组标题 ===== */
.img-group {
  margin-bottom: 12px;
}
.img-group:last-child { margin-bottom: 0; }
.img-group-title {
  display: inline-block;
  padding: 3px 10px;
  margin-bottom: 8px;
  border-radius: 999px;
  background: rgba(108,92,231,0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

/* ===== 上传子提示 ===== */
.upload-sub-hint {
  font-size: 12px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* ===== 预览区域更大格子（适配标签栏+长图） ===== */
.upload-preview {
  grid-template-columns: repeat(2, 1fr);
}

/* 有标签的图片加视觉区分 */
.info-img-wrap.labeled {
  border-color: rgba(108,92,231,0.3);
}

/* 编辑弹窗滚动优化 */
.modal-content.modal-wide {
  max-height: calc(100vh - 40px);
}

/* ===== 效期品类容器 ===== */
.expiry-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.expiry-container {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: box-shadow .2s, border-color .2s;
  border: 2px solid transparent;
}
.expiry-container:hover { box-shadow: var(--shadow-lg); }

/* 拖拽高亮 */
.expiry-container.drag-over {
  border-color: var(--accent);
  background: rgba(108,92,231,0.03);
}

.expiry-container-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--border);
}

.expiry-container-title-area {
  flex: 1;
  min-width: 0;
}

.expiry-container-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.4;
}

.expiry-container-desc {
  margin: 4px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

.expiry-container-actions {
  display: none;
  flex-shrink: 0;
  gap: 6px;
  flex-wrap: wrap;
}
body.edit-mode .expiry-container-actions { display: flex; }

.btn.small {
  padding: 6px 10px;
  font-size: 13px;
  border-radius: 6px;
}

.expiry-container-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  padding: 12px 16px 16px;
}

/* 响应式：桌面 4~6 列自适应 */
@media (min-width: 640px) {
  .expiry-container-images { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
  .expiry-container-images { grid-template-columns: repeat(5, 1fr); }
}
@media (min-width: 1400px) {
  .expiry-container-images { grid-template-columns: repeat(6, 1fr); }
}

.expiry-container-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 24px 0;
  color: var(--text-tertiary);
  font-size: 14px;
}

/* 品类内单张图片 */
.expiry-img-wrap {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2e5ea;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  display: flex;
  flex-direction: column;
}
.expiry-img-wrap .expiry-img-box {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #f5f5f7;
  overflow: hidden;
}
.expiry-img-wrap.dragging {
  opacity: 0.3;
}
.expiry-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}

/* 编辑模式下图片可拖拽 */
body.edit-mode .expiry-img-wrap {
  cursor: grab;
}
body.edit-mode .expiry-img-wrap:active {
  cursor: grabbing;
}

/* 编辑模式：删除按钮 */
.expiry-img-del {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 50%;
  background: rgba(229,62,62,0.9);
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 3;
}
body.edit-mode .expiry-img-del { display: flex; }

/* 编辑模式：拖拽提示 */
.expiry-img-drag-icon {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 24px;
  height: 24px;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.4);
  color: #fff;
  border-radius: 4px;
  font-size: 14px;
  z-index: 3;
  pointer-events: none;
}
body.edit-mode .expiry-img-drag-icon { display: flex; }

/* 编辑模式：图片标题输入 */
.expiry-img-title-input {
  display: none;
  width: 100%;
  padding: 5px 6px;
  border: none;
  border-top: 1px solid #e8e8ea;
  background: #f8f9fa;
  font-size: 12px;
  text-align: center;
  color: var(--text);
  outline: none;
  flex-shrink: 0;
}
body.edit-mode .expiry-img-title-input { display: block; }
.expiry-img-title-input:focus { background: #fff; border-color: var(--accent); }
.expiry-img-title-input::placeholder { color: #bbb; font-size: 11px; }

/* 查看模式：图片标题显示 */
.expiry-img-caption {
  display: block;
  padding: 5px 8px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  line-height: 1.3;
  word-break: break-word;
  background: #f8f9fa;
  border-top: 1px solid #e8e8ea;
  flex-shrink: 0;
}
body.edit-mode .expiry-img-caption { display: none; }

/* 品类排序按钮 */
.expiry-container-move {
  display: none;
  gap: 4px;
  padding: 0 16px 12px;
}
body.edit-mode .expiry-container-move { display: flex; }

/* 上传进度条（品类内） */
.expiry-upload-progress {
  grid-column: 1 / -1;
  margin-top: 4px;
}

/* ===== 临时停靠区（桌面端编辑模式） ===== */
.expiry-dock {
  position: fixed;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 180px;
  max-height: 70vh;
  background: #fff;
  border: 2px dashed #5e5ce6;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  z-index: 200;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.expiry-dock[hidden] { display: none; }
.expiry-dock.drag-over {
  border-color: #34c759;
  border-style: solid;
  background: #f0fff4;
}
.expiry-dock-header {
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 600;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f5f5f7;
}
.expiry-dock-count {
  background: #5e5ce6;
  color: #fff;
  border-radius: 10px;
  padding: 1px 8px;
  font-size: 12px;
  min-width: 20px;
  text-align: center;
}
.expiry-dock-body {
  padding: 8px;
  overflow-y: auto;
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  align-content: start;
}
.expiry-dock-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #999;
  font-size: 12px;
  padding: 16px 4px;
  line-height: 1.6;
}
.expiry-dock-item {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  border: 1px solid #d0d5dd;
  cursor: grab;
  background: #f5f5f7;
}
.expiry-dock-item:active { cursor: grabbing; }
.expiry-dock-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
}
.expiry-dock-item .dock-item-del {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  font-size: 11px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  z-index: 2;
}
.expiry-dock-clear {
  padding: 8px;
  border: none;
  border-top: 1px solid #eee;
  background: #f5f5f7;
  color: #5e5ce6;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.expiry-dock-clear:hover { background: #eee; }

/* 仅桌面编辑模式显示 */
@media (max-width: 1023px) {
  .expiry-dock { display: none !important; }
}
body:not(.edit-mode) .expiry-dock { display: none !important; }

/* 桌面端编辑模式留出停靠区空间 */
@media (min-width: 1024px) {
  body.edit-mode .app { margin-right: 204px; }
}

/* ===== 效期防范指南 ===== */
.expiry-guide {
  background: #fff;
  border: 1px solid #e8e8ea;
  border-radius: 12px;
  margin: 0 12px 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  overflow: hidden;
}
.expiry-guide-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: linear-gradient(135deg, #fff9e6 0%, #fff3cd 100%);
  border-bottom: 1px solid #ffe69c;
}
.expiry-guide-header h3 {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: #856404;
}
.expiry-guide-actions .btn.small {
  padding: 4px 12px;
  font-size: 13px;
  border-radius: 6px;
}
.expiry-guide-body {
  padding: 12px 14px;
}
.expiry-guide-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  white-space: pre-wrap;
  margin-bottom: 10px;
}
.expiry-guide-text.empty {
  color: var(--text-tertiary);
  font-style: italic;
}
.expiry-guide-images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.expiry-guide-img {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: #f5f5f7;
  border: 1px solid #e8e8ea;
  cursor: zoom-in;
}
.expiry-guide-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.expiry-guide-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #999;
  font-size: 13px;
  padding: 12px 0;
  margin: 0;
}

/* 编辑态 */
.expiry-guide-edit {
  padding: 12px 14px;
}
.expiry-guide-edit textarea {
  width: 100%;
  min-height: 90px;
  padding: 10px 12px;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
}
.expiry-guide-edit textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(94, 92, 230, 0.12);
}
.expiry-guide-edit-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}
.expiry-guide-edit-img {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: #f5f5f7;
  border: 1px solid #e8e8ea;
}
.expiry-guide-edit-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.expiry-guide-edit-del {
  position: absolute;
  top: 4px;
  right: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: none;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  z-index: 2;
}
.expiry-guide-edit-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #999;
  font-size: 13px;
  padding: 12px 0;
  margin: 0;
}
.expiry-guide-edit-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.expiry-guide-edit-actions .btn {
  flex: 1;
  min-width: 80px;
}

/* 响应式：电脑端指南图片更大 */
@media (min-width: 768px) {
  .expiry-guide-images { grid-template-columns: repeat(4, 1fr); }
  .expiry-guide-edit-images { grid-template-columns: repeat(5, 1fr); }
}
@media (min-width: 1200px) {
  .expiry-guide-images { grid-template-columns: repeat(5, 1fr); }
  .expiry-guide-edit-images { grid-template-columns: repeat(6, 1fr); }
}