/* ===== 全局重置与基础 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --primary: #ff8c42;
  --primary-light: #ffa864;
  --primary-dark: #e67220;
  --bg: #f8f4f0;
  --card: #ffffff;
  --text: #2d2d2d;
  --text-light: #888888;
  --border: #e8e0d8;
  --danger: #e74c3c;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
  --radius: 14px;
  --radius-sm: 10px;
  --header-h: 52px;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  overflow: hidden;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

/* ===== 顶部导航 ===== */
#header {
  display: flex;
  align-items: center;
  height: var(--header-h);
  background: var(--primary);
  color: #fff;
  padding: 0 12px;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
}

#header h1 {
  flex: 1;
  text-align: center;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.header-btn {
  background: none;
  border: none;
  color: #fff;
  font-size: 15px;
  padding: 6px 8px;
  cursor: pointer;
  min-width: 60px;
  white-space: nowrap;
}

.header-btn:active {
  opacity: 0.7;
}

/* ===== 主内容区 ===== */
#mainContent {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px 16px 20px;
}

/* ===== 页面切换 ===== */
.page {
  display: none;
}
.page.active {
  display: block;
}

/* ===== 列表页 ===== */
.list-toolbar {
  padding-bottom: 16px;
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 17px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-primary:active {
  background: var(--primary-dark);
}

.recipe-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.recipe-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.1s;
  position: relative;
}
.recipe-card:active {
  transform: scale(0.98);
}

.recipe-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 4px;
  padding-right: 50px;
}

.recipe-card .recipe-meta {
  font-size: 13px;
  color: var(--text-light);
}

.recipe-card .ingredient-preview {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recipe-card .delete-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}
.recipe-card .delete-btn:active {
  color: var(--danger);
}

.empty-tip {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-light);
}
.empty-tip .empty-icon {
  font-size: 60px;
  margin-bottom: 12px;
}
.empty-tip p {
  font-size: 15px;
}

/* ===== 表单页 ===== */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  display: block;
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--card);
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 50px;
  font-family: inherit;
}

.ingredient-item {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
}
.ingredient-item input {
  flex: 1;
  padding: 10px 12px;
  font-size: 15px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
}
.ingredient-item input:focus {
  border-color: var(--primary);
}
.ingredient-item input.ing-amount {
  flex: 0 0 90px;
  text-align: right;
}
.ingredient-item .remove-ing {
  flex: 0 0 36px;
  height: 36px;
  border: none;
  background: var(--danger);
  color: #fff;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ingredient-item .remove-ing:active {
  opacity: 0.8;
}

.btn-secondary {
  display: inline-block;
  padding: 10px 18px;
  background: var(--bg);
  color: var(--primary);
  border: 1.5px dashed var(--primary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  cursor: pointer;
  margin-top: 4px;
}
.btn-secondary:active {
  background: var(--border);
}

.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.form-actions .btn-primary {
  flex: 1;
}
.btn-cancel {
  flex: 0 0 90px;
  padding: 14px;
  background: var(--bg);
  color: var(--text-light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-size: 16px;
  cursor: pointer;
}
.btn-cancel:active {
  background: var(--border);
}

/* ===== 详情页 ===== */
.detail-header {
  text-align: center;
  padding: 20px 0 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.detail-header h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 4px;
}
.detail-header .detail-time {
  font-size: 13px;
  color: var(--text-light);
}
.detail-header .detail-desc {
  font-size: 14px;
  color: var(--text-light);
  margin-top: 8px;
  white-space: pre-wrap;
}

.detail-ingredients h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
}

.ingredient-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: var(--card);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.ingredient-row .ing-name {
  font-size: 15px;
  font-weight: 500;
}
.ingredient-row .ing-amount {
  font-size: 15px;
  color: var(--primary);
  font-weight: 600;
}

.detail-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.detail-actions .btn-primary {
  flex: 1;
  text-align: center;
}
.detail-actions .btn-danger {
  flex: 0 0 80px;
  padding: 14px;
  background: var(--danger);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 16px;
  cursor: pointer;
  text-align: center;
}
.detail-actions .btn-danger:active {
  opacity: 0.8;
}

/* ===== 确认对话框 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 100;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active {
  display: flex;
}
.modal-box {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px 28px;
  width: 280px;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.modal-box p {
  font-size: 16px;
  margin-bottom: 20px;
}
.modal-actions {
  display: flex;
  gap: 12px;
}
.modal-actions button {
  flex: 1;
  padding: 10px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  cursor: pointer;
}
.modal-actions .modal-confirm {
  background: var(--danger);
  color: #fff;
}
.modal-actions .modal-cancel {
  background: var(--bg);
  color: var(--text);
}

/* ===== 加载状态 ===== */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
  font-size: 15px;
}
.loading::after {
  content: "加载中...";
}


/* ===== 快速选择按钮 ===== */
.btn-quick-pick {
  display: block;
  width: 100%;
  padding: 12px;
  margin-top: 8px;
  background: var(--bg);
  color: var(--text);
  border: 1.5px dashed var(--primary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  cursor: pointer;
  text-align: center;
}
.btn-quick-pick:active {
  background: var(--border);
}

/* ===== 食谱类型推荐标签 ===== */
.recipe-type-hint {
  background: #fff8f0;
  border: 1px solid #ffe0b0;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 12px;
}
.hint-label {
  font-size: 13px;
  color: var(--text-light);
  display: block;
  margin-bottom: 6px;
}
.hint-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.hint-tag {
  display: inline-block;
  padding: 4px 10px;
  background: var(--card);
  border: 1px solid var(--primary-light);
  border-radius: 16px;
  font-size: 13px;
  color: var(--primary-dark);
  cursor: pointer;
  transition: all 0.1s;
}
.hint-tag:active {
  background: var(--primary);
  color: #fff;
}

/* ===== 材料选择器弹窗 ===== */
.picker-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  align-items: flex-end;
  justify-content: center;
}
.picker-overlay.active {
  display: flex;
}
.picker-panel {
  background: var(--card);
  border-radius: 18px 18px 0 0;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.12);
}
.picker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 10px;
  font-size: 17px;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}
.picker-close-btn {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 8px;
}
.picker-search {
  padding: 10px 14px;
}
.picker-search input {
  width: 100%;
  padding: 10px 14px;
  font-size: 15px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  background: var(--bg);
}
.picker-search input:focus {
  border-color: var(--primary);
}
.picker-categories {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 4px 14px 14px;
}
.picker-cat-title {
  font-size: 15px;
  font-weight: 600;
  padding: 12px 4px 6px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.picker-cat-title:first-child {
  padding-top: 6px;
}
.picker-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 4px;
}
.picker-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 14px;
  background: var(--bg);
  border: 1.5px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.1s;
  color: var(--text);
}
.picker-item:active {
  background: var(--primary-light);
  border-color: var(--primary);
}
.picker-item .p-item-unit {
  font-size: 11px;
  color: var(--text-light);
  background: var(--card);
  padding: 1px 6px;
  border-radius: 8px;
}
.picker-item.selected {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.picker-item.selected .p-item-unit {
  background: rgba(255,255,255,0.25);
  color: #fff;
}
.picker-footer {
  padding: 10px 14px 16px;
  border-top: 1px solid var(--border);
}
.picker-footer .btn-primary {
  width: 100%;
  text-align: center;
  padding: 12px;
}
.picker-footer .btn-primary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 搜索模式下隐藏分类标题 */
.picker-categories.searching .picker-cat-title {
  display: none;
}
.picker-categories.searching .picker-items {
  display: flex;
}
.picker-categories.searching .picker-items.all-items {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.picker-categories.searching .picker-item {
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

/* ===== 材料名自动补全下拉 ===== */
.ing-suggest {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  max-height: 240px;
  overflow-y: auto;
}
.ing-suggest-item {
  padding: 10px 12px;
  font-size: 14px;
  cursor: pointer;
  border-bottom: 1px solid var(--bg);
  display: flex;
  align-items: center;
  gap: 8px;
}
.ing-suggest-item:last-child {
  border-bottom: none;
}
.ing-suggest-item:active {
  background: var(--primary-light);
  color: #fff;
}