/* 主要变量 */
:root {
    --primary-color: #1a73e8;
    --primary-color-dark: #1557b0;
    --secondary-color: #5f6368;
    --border-color: #dadce0;
    --bg-color: #f8f9fa;
    --text-color: #202124;
    --text-secondary: #5f6368;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --background-color: #f8f9fa;
    --light-text: #6c757d;
    --hover-bg: #e9ecef;
    --nav-height: 120px;
    --size-settings-height: 80px;
    --footer-height: 50px;
    --section-spacing: 20px;  /* 添加间距变量 */
}

/* 主布局 */
.label-designer {
    padding: var(--section-spacing) 0;  /* 使用统一的间距 */
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--section-spacing);
    background-color: var(--bg-color);
    min-height: calc(100vh - var(--nav-height));
}

/* 尺寸设置区域 */
.size-settings {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    height: var(--size-settings-height);
}

.size-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.size-input-group label {
    font-size: 14px;
    color: var(--text-color);
    white-space: nowrap;
}

.size-input-group input {
    width: 80px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

.size-input-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(24, 144, 255, 0.1);
}

.confirm-btn {
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
}

.confirm-btn:hover {
    background-color: var(--primary-color-dark);
}

.preset-sizes {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: 12px;
}

.preset-btn {
    padding: 6px 12px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 13px;
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.preset-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.preset-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.export-btn {
    padding: 8px 16px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.2s;
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
}

.export-btn i {
    font-size: 16px;
}

.export-btn:hover {
    background-color: var(--primary-color-dark);
}

/* 主要内容区域 */
.main-content {
    display: flex;
    gap: 16px;
    padding: 16px;
    height: calc(100vh - var(--nav-height) - var(--size-settings-height) - var(--footer-height) - var(--section-spacing));  /* 减去顶部间距的高度 */
    align-items: stretch;
    min-height: 500px;
    background-color: transparent;
}

/* 元素面板 */
.elements-panel {
    width: 280px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* 画布区域 */
.canvas-area {
    flex: 1;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 650px;
}

/* 属性面板 */
.properties-panel {
    width: 280px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    margin: 0;
    height: 100%;
}

/* 确保内容区域可以滚动 */
.elements-content, .properties-content {
    flex: 1;
    overflow-y: auto;
}

.canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: #f1f3f5;
    min-height: 580px;
    position: relative;
}

/* 标签页样式 */
.elements-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    height: 44px;  /* 与canvas-toolbar一致 */
}

.tab-btn {
    flex: 1;
    height: 100%;
    padding: 0 4px;  /* 进一步减少水平内边距 */
    border: none;
    background: none;
    cursor: pointer;
    color: var(--text-color);
    font-size: 12px;  /* 进一步减小字体大小 */
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;  /* 防止文字换行 */
}

.tab-btn i {
    display: none;  /* 隐藏图标 */
}

.tab-btn.active {
    color: var(--primary-color);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--primary-color);
}

.tab-btn:hover {
    color: var(--primary-color);
}

.elements-content {
    flex: 1;
    overflow-y: auto;
}

/* 元素库面板 */
.elements-section {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

.section-title {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    padding: 0 4px;
}

/* 操作按钮区域 */
.operations .elements-grid {
    display: flex;
    gap: 12px;
    padding: 8px;
}

.operations .element-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 12px;
    background-color: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-color);
}

.operations .element-item:hover {
    background-color: #f0f0f0;
    border-color: #d0d0d0;
    transform: translateY(-1px);
}

.operations .element-item:active {
    transform: translateY(0);
}

.operations .element-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.operations .element-item span {
    font-size: 13px;
    font-weight: 500;
}

/* 常用元素网格 */
.elements-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    padding: 4px;
}

.element-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 6px 4px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.element-item:not(.operations .element-item):hover {
    border-color: var(--primary-color);
    background-color: var(--bg-color);
}

.element-item i {
    font-size: 18px;
    margin-bottom: 2px;
}

.element-item[data-type="vertical-line"] i {
    transform: rotate(90deg);  /* 旋转竖线图标 */
}

.element-item span {
    font-size: 12px;
    color: var(--text-color);
}

/* 加载状态 */
.loading-text {
    grid-column: 1 / -1;
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 14px;
}

/* 我的记录区域 */
.records-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    padding: 8px;
    min-height: 100px;
    max-height: 400px;
    overflow-y: auto;
    background: white;
    border-radius: 4px;
}

.record-item {
    position: relative;
    aspect-ratio: 1;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    cursor: grab;
    background: white;
    transition: all 0.2s ease;
}

.record-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.record-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.record-item .delete-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(220, 53, 69, 0.9);
    border: none;
    color: white;
    font-size: 12px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.record-item .delete-btn:hover {
    background: rgb(220, 53, 69);
}

.edit-mode .record-item .delete-btn {
    display: flex;
}

.edit-mode .record-item {
    cursor: default;
}

.edit-records-btn {
    padding: 4px 8px;
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.edit-records-btn:hover {
    color: var(--primary-color);
    background: var(--bg-color);
    border-color: var(--border-color);
}

.edit-records-btn.editing {
    color: var(--primary-color);
    background: var(--bg-color);
    border-color: var(--primary-color);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-title {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

/* 编辑模式样式 */
.my-records.editing .record-item {
    cursor: default;
}

.my-records.editing .record-item .delete-btn {
    display: flex;
}

/* 编辑记录按钮 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding: 0 4px;
}

.section-header h3 {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

/* 画布区域 */
.canvas-area {
    flex: 1;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: 650px;
}

.canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background-color: #f1f3f5;
    min-height: 580px;
    position: relative;
}

#designCanvas {
    display: block;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.canvas-toolbar {
    height: 44px;  /* 与elements-tabs保持一致 */
    display: flex;
    gap: 8px;
    padding: 0 16px;
    border-bottom: 1px solid var(--border-color);
    align-items: center;
    justify-content: space-between;
}

.toolbar-btn {
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: none;
    cursor: pointer;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.toolbar-btn i {
    font-size: 18px;
}

.toolbar-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.toolbar-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 属性面板 */
.properties-panel {
    width: 280px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    margin: 0;
}

.properties-panel .section-header {
    height: 44px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    background: #fff;
    border-radius: 8px 8px 0 0;
}

.properties-panel .section-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
    text-align: center;
}

.properties-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.no-selection {
    color: var(--text-secondary);
    text-align: center;
    padding: 30px 16px;
    font-size: 14px;
}

.property-group {
    margin-bottom: 20px;
}

.property-group:last-child {
    margin-bottom: 0;
}

.property-group label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.property-group textarea,
.property-group select,
.property-group input[type="number"] {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
}

.property-group textarea:focus,
.property-group select:focus,
.property-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.property-row {
    display: flex;
    gap: 12px;
}

.property-row .property-group {
    flex: 1;
}

.property-group input[type="color"] {
    width: 100%;
    height: 32px;
    padding: 2px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

/* 标签切换样式 */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-btn {
    padding: 8px 16px;
    border: none;
    background: none;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.3s;
}

.tab-btn:hover {
    opacity: 0.8;
}

.tab-btn.active {
    opacity: 1;
    border-bottom: 2px solid #1a73e8;
}

.tab-btn i {
    margin-right: 4px;
}

/* 页脚样式 */
#footer-placeholder {
    margin-top: -50px;
    padding: 15px 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .main-content {
        flex-direction: column;
    }

    .elements-panel,
    .properties-panel {
        width: 100%;
        max-width: none;
    }

    .canvas-area {
        order: -1;
        min-height: 400px;
    }
}

@media (max-width: 640px) {
    .label-designer {
        padding: 10px;
    }

    .preset-sizes {
        flex-direction: column;
    }

    .preset-btn {
        width: 100%;
    }

    .main-content {
        min-height: 400px;
    }
}

/* 拖拽样式 */
.element-item.dragging {
    opacity: 0.5;
}

.canvas-container.drag-over {
    border: 2px dashed var(--primary-color);
}

/* 模态对话框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-overlay.active {
    display: flex;
}

.modal-content {
    background: white;
    padding: 24px;
    border-radius: 8px;
    width: 400px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.modal-header {
    margin-bottom: 16px;
}

.modal-title {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-color);
    margin: 0;
}

.modal-subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 8px 0 0 0;
}

.modal-body {
    margin-bottom: 24px;
}

.modal-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: all 0.2s;
}

.modal-input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(26, 115, 232, 0.1);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-btn {
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.modal-btn-cancel {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.modal-btn-cancel:hover {
    background: var(--bg-color);
}

.modal-btn-confirm {
    background: var(--primary-color);
    border: none;
    color: white;
}

.modal-btn-confirm:hover {
    background: var(--primary-color-dark);
}

.modal-btn-confirm.danger {
    background: var(--danger-color);
}

.modal-btn-confirm.danger:hover {
    background: #c82333;  /* 更深的红色 */
}

.modal-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* 元素库面板 */
.elements-section {
    padding: 8px;
    border-bottom: 1px solid var(--border-color);
}

.elements-section:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

.my-records {
    border-bottom: none !important;  /* 移除my-records的底部边框 */
}

/* 导出模态框样式 */
.export-options {
    display: flex;
    gap: 16px;
    margin: 20px 0;
}

.export-option-btn {
    flex: 1;
    padding: 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: white;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s;
}

.export-option-btn:hover {
    border-color: var(--primary-color);
    background: var(--bg-color);
}

.export-option-btn.primary {
    border-color: var(--primary-color);
    background: var(--bg-color);
}

.option-title {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 4px;
}

.option-desc {
    font-size: 13px;
    color: var(--text-secondary);
}

.option-login-tip {
    font-size: 12px;
    color: var(--primary-color);
    margin-top: 8px;
}

/* 加载提示样式 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    z-index: 9999;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

.loading-message {
    font-size: 14px;
    color: var(--text-color);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 模板列表样式 */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);  /* 每行两个卡片 */
    gap: 8px;
    padding: 8px;
}

.template-item {
    position: relative;
    padding: 8px;
    background-color: #f8f9fa;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.template-item:hover {
    background-color: #f0f0f0;
    border-color: #d0d0d0;
}

.template-preview {
    display: none;  /* 隐藏缩略图 */
}

.template-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.template-name {
    font-size: 12px;
    font-weight: normal;
    color: var(--text-color);
    text-align: center;
}

.template-size {
    font-size: 11px;
    color: var(--text-secondary);
    text-align: center;
}

.delete-template-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 16px;
    height: 16px;
    background: white;
    border: 1px solid #e0e0e0;
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    line-height: 1;
}

.no-templates-message {
    text-align: center;
    color: var(--text-secondary);
    padding: 20px;
    font-size: 14px;
}

.clear-templates-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s;
}

.clear-templates-btn:hover {
    color: red;
}

.keyboard-shortcuts {
    color: var(--text-secondary);
    font-size: 13px;
}

.save-template-btn {
    padding: 6px 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
}

.save-template-btn:hover {
    background-color: var(--primary-color-dark);
}

/* Toast 样式 */
.toast-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10000;
    pointer-events: none;
}

.toast {
    padding: 12px 24px;
    border-radius: 4px;
    color: white;
    font-size: 14px;
    margin-bottom: 10px;
    opacity: 0;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 200px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.toast.show {
    opacity: 1;
}

.toast.success {
    background-color: rgba(40, 167, 69, 0.95);
}

.toast.error {
    background-color: rgba(220, 53, 69, 0.95);
}

.toast.info {
    background-color: rgba(23, 162, 184, 0.95);
}

.toast.warning {
    background-color: rgba(255, 193, 7, 0.95);
}