/* ===========================================
   拼豆订单管理系统 - Personal Ledger
   现代化深色主题设计
   =========================================== */

:root {
    /* 主色调 - 优雅的紫罗兰渐变 */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #7c3aed;
    --primary-light: #a78bfa;
    --primary-dark: #5b21b6;
    
    /* 背景色 - 深邃的夜空色系 */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: rgba(26, 26, 46, 0.8);
    --bg-card-hover: rgba(30, 30, 60, 0.9);
    
    /* 文字色 */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* 状态色 */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    /* 边框和阴影 */
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(124, 58, 237, 0.3);
    
    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    /* 间距 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 字体 */
    --font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* 过渡 */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* 重置样式 */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* 动态背景效果 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
    animation: bgPulse 15s ease-in-out infinite alternate;
}

@keyframes bgPulse {
    0% {
        opacity: 0.8;
        transform: scale(1);
    }
    100% {
        opacity: 1;
        transform: scale(1.05);
    }
}

/* 背景装饰 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 20%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* 应用容器 */
.app-container {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ===========================================
   侧边栏
   =========================================== */
.sidebar {
    width: 260px;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.98) 0%, rgba(15, 15, 26, 0.98) 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    transition: transform var(--transition-normal);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.3);
}

.sidebar-header {
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.logo-mini {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.logo-mini i {
    font-size: 1.25rem;
    color: var(--primary-color);
}

/* 不同系统的图标颜色 */
.orders-system .logo-mini i { color: #7c3aed; }
.patterns-system .logo-mini i { color: #ec4899; }
.design-system .logo-mini i { color: #3b82f6; }

/* 图纸视图切换 */
.patterns-view {
    display: none;
}

.patterns-view.active {
    display: block;
}

/* 图纸网格布局 */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

/* 分类管理视图 */
.add-category-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.add-category-section h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.add-category-section h3 i {
    color: var(--primary-color);
}

.add-category-form-inline {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.add-category-form-inline input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.add-category-form-inline input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.add-category-form-inline .btn {
    flex-shrink: 0;
    white-space: nowrap;
}

/* 分类卡片网格 */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.category-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition-base);
    position: relative;
}

.category-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.category-card .category-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1.8rem;
    flex-shrink: 0;
}

.category-card .category-info {
    flex: 1;
    min-width: 0;
}

.category-card .category-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.category-card .category-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.category-card .category-actions {
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.category-card:hover .category-actions {
    opacity: 1;
}

.category-card .category-actions button {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.category-card .category-actions button:hover {
    background: var(--primary-color);
    color: white;
}

.category-card .category-actions button.delete-btn:hover {
    background: var(--danger-color);
}

/* 分类编辑模式 */
.category-card.editing {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.1);
}

.category-card .edit-form {
    display: none;
    flex: 1;
    gap: var(--spacing-sm);
    align-items: center;
}

.category-card.editing .category-info {
    display: none;
}

.category-card.editing .edit-form {
    display: flex;
}

.category-card .edit-form input {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.95rem;
    flex: 1;
}

.category-card .edit-form .icon-input {
    width: 50px;
    text-align: center;
    flex: none;
}

.category-card .edit-form button {
    padding: 8px 12px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.category-card .edit-form .save-btn {
    background: var(--primary-color);
    color: white;
}

.category-card .edit-form .cancel-btn {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

/* 分类标签栏 */
.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    padding: 8px 16px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition-fast);
}

.category-tab:hover,
.category-tab.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* 图纸统计卡片调整 */
.pattern-stats {
    display: flex;
    gap: var(--spacing-md);
}

.pattern-stats .stat-card {
    flex: 0 0 auto;
    min-width: 150px;
}

/* 分类管理样式 */
.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.category-icon {
    font-size: 1.25rem;
}

.category-name {
    flex: 1;
}

.empty-text {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-lg);
}

.logo i {
    font-size: 1.5rem;
    -webkit-text-fill-color: initial;
    color: var(--primary-color);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.sidebar-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: var(--spacing-xs);
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--primary-gradient);
    border-radius: 0 3px 3px 0;
    transition: height 0.3s ease;
}

.nav-item:hover {
    background: rgba(124, 58, 237, 0.1);
    color: var(--text-primary);
    padding-left: calc(var(--spacing-md) + 8px);
}

.nav-item:hover::before {
    height: 60%;
}

.nav-item.active {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 
        0 4px 20px rgba(124, 58, 237, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-item.home-link {
    background: rgba(124, 58, 237, 0.1);
    border: 1px dashed var(--border-color);
    margin-bottom: 10px;
}

.nav-item.home-link:hover {
    background: rgba(124, 58, 237, 0.2);
    border-color: var(--primary-color);
}

.nav-item i {
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.quick-stats .stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.quick-stats .stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.quick-stats .stat-value {
    font-weight: 600;
    color: var(--primary-light);
}

/* ===========================================
   主内容区
   =========================================== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-xl);
    padding-bottom: 100px;
    min-height: 100vh;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.page-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: var(--spacing-xs);
    background: linear-gradient(135deg, #a78bfa 0%, #7c3aed 50%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(124, 58, 237, 0.3);
    letter-spacing: -0.02em;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===========================================
   按钮
   =========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 8px 25px rgba(124, 58, 237, 0.5),
        0 0 40px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.85rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-sm);
}

/* ===========================================
   筛选栏
   =========================================== */
.filter-bar {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
    position: relative;
}

.search-box i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 44px;
    background: rgba(26, 26, 46, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 3px rgba(124, 58, 237, 0.2),
        0 4px 20px rgba(0, 0, 0, 0.2);
    background: rgba(30, 30, 55, 0.9);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.filter-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-select {
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    cursor: pointer;
    min-width: 120px;
    transition: var(--transition-fast);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* ===========================================
   统计卡片
   =========================================== */
.stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: linear-gradient(145deg, rgba(26, 26, 46, 0.95) 0%, rgba(22, 33, 62, 0.85) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(124, 58, 237, 0.2);
    border-color: rgba(124, 58, 237, 0.4);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-info .stat-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ===========================================
   订单列表
   =========================================== */
.orders-container {
    position: relative;
    min-height: 200px;
}

.orders-list {
    display: grid;
    gap: var(--spacing-md);
}

.order-card {
    background: linear-gradient(145deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.8) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.4s ease forwards;
    opacity: 0;
    position: relative;
}

.order-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.order-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(124, 58, 237, 0.15);
    border-color: rgba(124, 58, 237, 0.4);
    background: linear-gradient(145deg, rgba(30, 30, 55, 0.95) 0%, rgba(26, 40, 70, 0.9) 100%);
}

.order-card:hover::before {
    opacity: 1;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.order-info {
    flex: 1;
    min-width: 0;
}

.order-no {
    font-size: 0.8rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-xs);
    font-family: 'Monaco', 'Consolas', monospace;
    opacity: 0.8;
    letter-spacing: 0.5px;
}

.order-customer {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.order-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.order-actions .btn-icon {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.order-actions .btn-icon:hover {
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.order-actions .btn-icon.btn-delete:hover {
    color: var(--danger);
    border-color: var(--danger);
}

/* 订单联系信息 */
.order-contact {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm) var(--spacing-lg);
    padding: var(--spacing-sm) 0;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.order-contact .contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.order-contact .contact-item i {
    color: var(--primary-color);
    width: 14px;
}

.order-contact .contact-item.address {
    flex: 1;
    min-width: 200px;
}

/* 订单描述 */
.order-desc {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: rgba(124, 58, 237, 0.05);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.order-desc i {
    color: var(--primary-color);
    margin-top: 2px;
}

.order-body {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.order-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
}

.order-field .label {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    letter-spacing: 0.5px;
}

.order-field .value {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.order-field .value.income {
    color: var(--success);
    font-weight: 700;
}

.order-field .value.cost {
    color: var(--text-muted);
}

.order-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.order-meta {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.order-meta-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-muted);
    font-size: 0.85rem;
}

.order-meta-item i {
    width: 16px;
}

.order-images {
    display: flex;
    gap: var(--spacing-xs);
}

.order-thumb {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    object-fit: cover;
    border: 2px solid var(--border-color);
    transition: var(--transition-fast);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.order-thumb:hover {
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.order-thumb-more {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* 状态标签 */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.status-badge:hover {
    transform: scale(1.05);
}

/* 状态快速选择器 */
/* 状态下拉菜单 */
.status-dropdown {
    position: relative;
    display: inline-block;
}

/* 状态选择器 */
.status-select {
    padding: 6px 10px;
    border-radius: 16px;
    border: 1px solid transparent;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 12 12'%3E%3Cpath fill='currentColor' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 22px;
    min-width: auto;
}

.status-select:hover {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.status-select:focus {
    transform: translateY(-1px);
}

.status-select:active {
    transform: translateY(0);
}

.status-select.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border-color: rgba(245, 158, 11, 0.3);
}

.status-select.status-designing {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.3);
}

.status-select.status-producing {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border-color: rgba(139, 92, 246, 0.3);
}

.status-select.status-completed {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border-color: rgba(16, 185, 129, 0.3);
}

.status-select.status-delivered {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border-color: rgba(6, 182, 212, 0.3);
}

.status-select.status-cancelled {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border-color: rgba(239, 68, 68, 0.3);
}

.status-select option {
    background: #1e1e38;
    color: var(--text-primary);
    padding: 8px;
}

.status-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.status-dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: all 0.15s ease;
}

.status-dropdown-item:hover {
    background: rgba(124, 58, 237, 0.15);
    color: var(--text-primary);
}

.status-dropdown-item.active {
    background: rgba(124, 58, 237, 0.2);
    color: var(--primary);
}

.status-dot-sm {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-dot-sm.pending {
    background: #fbbf24;
    box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}

.status-dot-sm.designing {
    background: #3b82f6;
    box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.status-dot-sm.producing {
    background: #8b5cf6;
    box-shadow: 0 0 8px rgba(139, 92, 246, 0.5);
}

.status-dot-sm.completed {
    background: #10b981;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
}

.status-dot-sm.delivered {
    background: #06b6d4;
    box-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
}

.status-dot-sm.cancelled {
    background: #ef4444;
    box-shadow: 0 0 8px rgba(239, 68, 68, 0.5);
}

.status-pending {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-designing {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.status-producing {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.status-completed {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-delivered {
    background: rgba(6, 182, 212, 0.15);
    color: #22d3ee;
    border: 1px solid rgba(6, 182, 212, 0.3);
}

.status-cancelled {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* 来源标签 */
.source-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* ===========================================
   空状态和加载状态
   =========================================== */
.empty-state, .loading-state {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    color: var(--text-muted);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

/* ===========================================
   分页
   =========================================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

.pagination button {
    min-width: 40px;
    height: 40px;
    padding: 0 var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: var(--font-family);
}

.pagination button:hover:not(:disabled) {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

.pagination button.active {
    background: var(--primary-gradient);
    color: white;
    border-color: transparent;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===========================================
   模态框
   =========================================== */
.modal-overlay {
    display: none;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.8);
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
}

.modal.active {
    display: flex;
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 700px;
    background: linear-gradient(145deg, rgba(30, 34, 53, 0.98) 0%, rgba(20, 24, 40, 0.98) 100%);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: var(--radius-xl);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.6),
        0 0 40px rgba(124, 58, 237, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 60px);
    overflow: hidden;
    backdrop-filter: blur(20px);
}

.modal.modal-lg .modal-content {
    max-width: 800px;
}

.modal.modal-sm .modal-content {
    max-width: 400px;
}

.modal-content form {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-bottom: 1px solid rgba(124, 58, 237, 0.15);
    background: linear-gradient(90deg, rgba(124, 58, 237, 0.1) 0%, transparent 100%);
    pointer-events: auto;
    flex-shrink: 0;
}

.modal-header h2 {
    font-size: 1.35rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
    padding-bottom: calc(var(--spacing-lg) + 10px);
    overflow-y: auto;
    flex: 1;
    pointer-events: auto;
    min-height: 0;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    pointer-events: auto;
    flex-shrink: 0;
}

/* ===========================================
   表单
   =========================================== */
.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.form-row.form-row-3 {
    grid-template-columns: repeat(3, 1fr);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.form-group .required {
    color: var(--danger);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    background: rgba(37, 42, 61, 0.8);
    border: 1px solid rgba(64, 70, 99, 0.6);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: rgba(124, 58, 237, 0.4);
    background: rgba(37, 42, 61, 1);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(37, 42, 61, 1);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2), 0 0 20px rgba(124, 58, 237, 0.1);
}

/* 日期输入框样式优化 */
.form-group input[type="date"],
.form-group input[type="datetime-local"] {
    color-scheme: dark;
}

.form-group input[type="date"]::-webkit-datetime-edit-text,
.form-group input[type="date"]::-webkit-datetime-edit-month-field,
.form-group input[type="date"]::-webkit-datetime-edit-day-field,
.form-group input[type="date"]::-webkit-datetime-edit-year-field {
    color: var(--text-secondary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

/* 文件上传 */
.file-upload-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 2px dashed rgba(124, 58, 237, 0.5);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    min-height: 100px;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
    cursor: pointer;
    background: rgba(124, 58, 237, 0.03);
    min-height: 100px;
}

/* 确保label内部子元素不阻止点击 */
.file-upload-area > i,
.file-upload-area > p {
    pointer-events: none;
    z-index: 1;
}

/* 透明覆盖层样式 - 让 file input 覆盖整个上传区域 */
.file-input-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
    font-size: 0;
}

/* 确保图标和文字在 input 下方但可见 */
.file-upload-area > i {
    font-size: 2.5rem;
    color: rgba(124, 58, 237, 0.6);
    margin-bottom: 0.5rem;
}

.file-upload-area > p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.file-upload-area:hover,
.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.08);
}

.upload-placeholder {
    pointer-events: none;
}

.upload-placeholder i {
    font-size: 2.5rem;
    color: var(--primary-light);
    margin-bottom: var(--spacing-sm);
}

.upload-placeholder p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.upload-placeholder span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.image-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.preview-item {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 2px solid var(--border-color);
}

.preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

/* 图纸上传预览 - 限制图片大小 */
#patternImagePreview {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--spacing-md);
}

#patternImagePreview img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: rgba(239, 68, 68, 0.9);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 10px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.preview-remove:hover {
    transform: scale(1.1);
}

/* ===========================================
   订单详情
   =========================================== */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.detail-item {
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.detail-item.detail-full {
    grid-column: 1 / -1;
}

.detail-item.full-width {
    grid-column: span 2;
}

.detail-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.detail-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 500;
}

.detail-value.large {
    font-size: 1.5rem;
    color: var(--success);
}

.detail-images {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.detail-thumb {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    cursor: pointer;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    transition: var(--transition-fast);
}

.detail-thumb:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.confirm-text {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
}

/* ===========================================
   图片查看器
   =========================================== */
.image-viewer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.image-viewer.active {
    display: flex;
}

.image-viewer img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: var(--radius-md);
    /* 保持像素图清晰，禁用平滑处理 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.viewer-close,
.viewer-nav {
    position: absolute;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    z-index: 2001;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition-fast);
}

.viewer-close:hover {
    background: rgba(239, 68, 68, 0.8);
    transform: scale(1.1) rotate(90deg);
}

.viewer-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.viewer-close,
.viewer-nav {
    transition: all 0.3s ease;
}

.viewer-close {
    top: 20px;
    right: 20px;
    font-size: 1.5rem;
}

.viewer-close i,
.viewer-nav i {
    pointer-events: none;
}

.viewer-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.viewer-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

/* ===========================================
   Toast 提示
   =========================================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
    min-width: 280px;
}

.toast.success {
    border-color: var(--success);
}

.toast.success i {
    color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast.error i {
    color: var(--danger);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    to {
        opacity: 0;
        transform: translateX(100%);
    }
}

/* ===========================================
   移动端导航
   =========================================== */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
    padding-bottom: env(safe-area-inset-bottom, var(--spacing-sm));
    z-index: 100;
}

.mobile-nav {
    display: none;
    justify-content: space-around;
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    border: none;
    background: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.mobile-nav-item i {
    font-size: 1.25rem;
}

.mobile-nav-item.active,
.mobile-nav-item:hover {
    color: var(--primary-light);
}

.mobile-nav-item.add-btn {
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    margin-top: -20px;
    box-shadow: var(--shadow-glow);
}

.mobile-nav-item.add-btn span {
    display: none;
}

/* ===========================================
   响应式设计
   =========================================== */
@media (max-width: 1024px) {
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-item.full-width {
        grid-column: span 1;
    }
}

/* 只在更小的屏幕下才让表单变成单列 */
@media (max-width: 600px) {
    .form-row,
    .form-row.form-row-3 {
        grid-template-columns: 1fr;
    }
}

/* 视图切换 */
.view {
    display: none;
}

.view.active {
    display: block;
}

.view.active.design-view {
    display: flex !important;
}

/* 统计页面样式 */
.stats-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 1024px) {
    .stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .stats-overview {
        grid-template-columns: 1fr;
    }
}

.stat-card.large {
    padding: var(--spacing-lg);
}

.stat-card-lg {
    min-width: 200px;
}

.stats-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.section-header .section-title {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title i {
    color: var(--primary-color);
}

/* 月份选择器 */
.month-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

.month-nav-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.month-nav-btn:hover {
    background: var(--bg-hover);
    color: var(--primary-color);
}

.month-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.current-month {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 100px;
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 分布列表容器 */
.distribution-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
}

.stats-grid-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition-fast);
}

.stats-grid-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stats-grid-item .item-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.stats-grid-item .item-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stats-grid-item .item-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    margin-top: var(--spacing-sm);
    overflow: hidden;
}

.stats-grid-item .item-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: width 0.5s ease;
}

.month-stats {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.month-stats .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.month-stats .stats-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.month-stats .stat-card {
    text-align: center;
    padding: var(--spacing-md);
}

.month-stats .stat-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.month-stats .stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.month-stats .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .month-stats .stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .month-stats .stats-overview {
        grid-template-columns: 1fr;
    }
}

.month-stat-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.month-stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.month-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
}

.month-stat-value.income {
    color: var(--success-color);
}

.month-stat-value.cost {
    color: var(--warning-color);
}

.month-stat-value.profit {
    color: var(--primary-color);
}

/* 导航激活状态 */
.nav-item.active {
    background: var(--primary-gradient);
    color: white !important;
}

.nav-item.active i {
    color: white !important;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .main-content {
        margin-left: 0;
        padding: var(--spacing-md);
        padding-bottom: 120px;
    }
    
    .mobile-nav {
        display: flex;
    }
    
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .page-header .btn {
        display: none;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .filter-bar {
        flex-direction: column;
    }
    
    .search-box {
        max-width: none;
    }
    
    .filter-group {
        width: 100%;
    }
    
    .filter-select {
        flex: 1;
    }
    
    .stats-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .stat-icon {
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .order-body {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal {
        width: 95%;
        max-height: 85vh;
    }
    
    .modal-content {
        max-height: 85vh;
    }
    
    .toast-container {
        left: 10px;
        right: 10px;
    }
    
    .toast {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .stats-cards {
        grid-template-columns: 1fr;
    }
    
    .order-body {
        grid-template-columns: 1fr;
    }
    
    .order-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .order-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* ===========================================
   滚动条样式
   =========================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===========================================
   选择样式
   =========================================== */
::selection {
    background: var(--primary-color);
    color: white;
}

/* ===========================================
   图纸仓库样式
   =========================================== */

/* 分类标签栏 */
.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    font-size: 0.9rem;
}

.category-tab:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.category-tab.active {
    background: var(--primary-gradient);
    border-color: transparent;
    color: white;
}

/* 图纸网格 */
.patterns-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

/* 图纸卡片 */
.pattern-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-normal);
    position: relative;
}

.pattern-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.pattern-card-image-wrapper {
    position: relative;
    cursor: zoom-in;
    overflow: hidden;
}

.pattern-card-image-wrapper:hover .pattern-card-image {
    transform: scale(1.05);
}

.pattern-card-image-wrapper:hover .pattern-card-zoom-hint {
    opacity: 1;
}

.pattern-card-image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--bg-tertiary);
    transition: transform 0.3s ease;
    /* 保持像素图清晰 */
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.pattern-card-zoom-hint {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 48px;
    height: 48px;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.pattern-card-zoom-hint i {
    color: white;
    font-size: 1.2rem;
}

.pattern-card-body {
    padding: var(--spacing-sm);
}

.pattern-card-title {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--text-primary);
    margin-bottom: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pattern-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.pattern-card-category {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pattern-card-size {
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 10px;
}

.pattern-card-favorite {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 26px;
    height: 26px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    font-size: 0.7rem;
    opacity: 0;
}

.pattern-card:hover .pattern-card-favorite {
    opacity: 1;
}

.pattern-card-favorite:hover {
    background: var(--danger);
    transform: scale(1.1);
}

/* 已收藏的始终显示 */
.pattern-card-favorite.active {
    background: var(--danger);
    color: white;
    opacity: 1;
}

.pattern-card-actions {
    position: absolute;
    top: 6px;
    left: 6px;
    display: flex;
    gap: 3px;
    opacity: 0;
    transition: var(--transition-fast);
}

.pattern-card:hover .pattern-card-actions {
    opacity: 1;
}

.pattern-card-actions .btn-icon {
    width: 24px;
    height: 24px;
    background: rgba(0, 0, 0, 0.5);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 0.65rem;
}

/* 图纸详情 */
.pattern-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
}

.pattern-detail-image {
    width: 100%;
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
}

.pattern-detail-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.pattern-detail-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.pattern-detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.pattern-detail-label {
    color: var(--text-muted);
}

.pattern-detail-value {
    color: var(--text-primary);
    font-weight: 500;
}

.pattern-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.pattern-tag {
    padding: 4px 12px;
    background: var(--bg-tertiary);
    border-radius: 15px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* 分类管理 */
.category-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
    margin-bottom: var(--spacing-md);
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.category-item-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.category-item-icon {
    font-size: 1.2rem;
}

.category-item-name {
    color: var(--text-primary);
}

.category-item-count {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.add-category-form {
    display: flex;
    gap: var(--spacing-sm);
}

.add-category-form input {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}

.add-category-form input:last-of-type {
    width: 60px;
    flex: none;
}

/* 模态框大小变体 */
.modal-content.modal-lg {
    max-width: 900px;
}

.modal-content.modal-sm {
    max-width: 400px;
}

/* 图纸统计卡片 */
.pattern-stats {
    display: flex;
    gap: var(--spacing-md);
}

.pattern-stats .stat-card {
    flex: 1;
    max-width: 200px;
}

/* 可点击的统计卡片 */
.stat-card.clickable {
    cursor: pointer;
}

.stat-card.clickable:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.stat-card.clickable.active {
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

@media (max-width: 768px) {
    .patterns-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .pattern-detail {
        grid-template-columns: 1fr;
    }
    
    .pattern-stats {
        flex-wrap: wrap;
    }
}

/* ============ 批量上传样式 ============ */

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.batch-settings {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.batch-settings .section-title {
    margin-bottom: var(--spacing-md);
    font-size: 1rem;
    color: var(--text-primary);
}

.batch-upload-area {
    margin-bottom: var(--spacing-lg);
}

.batch-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    background: var(--bg-secondary);
}

.batch-dropzone:hover,
.batch-dropzone.dragover {
    border-color: var(--primary-color);
    background: rgba(124, 58, 237, 0.1);
}

.batch-dropzone i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.batch-dropzone p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.upload-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.batch-file-list {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.batch-file-list .section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.batch-file-list .file-count {
    background: var(--primary-color);
    color: white;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
}

.file-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-md);
    max-height: 300px;
    overflow-y: auto;
}

.file-preview-item {
    position: relative;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm);
    text-align: center;
}

.file-preview-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-xs);
    margin-bottom: var(--spacing-xs);
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

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

.file-preview-info .file-name {
    font-size: 0.75rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-preview-info .file-size {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.remove-file-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(220, 53, 69, 0.9);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    opacity: 0;
    transition: var(--transition-fast);
}

.file-preview-item:hover .remove-file-btn {
    opacity: 1;
}

.remove-file-btn:hover {
    background: #dc3545;
    transform: scale(1.1);
}

.batch-progress {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.progress-bar-container {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-bar {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .header-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .header-actions .btn {
        width: 100%;
    }
    
    .file-preview-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}

/* ===========================
   设计工具样式
   =========================== */

.design-view {
    display: flex !important;
    flex-direction: column;
    height: 100vh;
    padding-top: 48px;
    box-sizing: border-box;
    overflow: hidden;
}

/* 顶部导航栏内嵌工具栏 */
.header-toolbar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    margin-right: 20px;
}

.header-tool-btn {
    width: 28px;
    height: 28px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.header-tool-btn:hover:not(:disabled) {
    background: rgba(124, 58, 237, 0.2);
    border-color: var(--primary-color);
    color: var(--primary-light);
}

.header-tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.header-divider {
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.15);
    margin: 0 4px;
}

.header-zoom-label {
    min-width: 38px;
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.header-btn {
    padding: 4px 8px;
    font-size: 0.7rem;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

.header-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
}

.header-btn-primary {
    padding: 4px 10px;
    font-size: 0.7rem;
    border-radius: 5px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 2px 6px rgba(124, 58, 237, 0.3);
}

.header-btn-primary:hover {
    box-shadow: 0 3px 10px rgba(124, 58, 237, 0.5);
    transform: translateY(-1px);
}

/* 顶部保存状态组 */
.header-save-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.header-save-status {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 2px 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

.header-save-status .status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}

.header-save-status .status-dot.saved {
    background: var(--success-color);
    box-shadow: 0 0 4px var(--success-color);
}

.header-save-status .status-dot.unsaved {
    background: var(--warning-color);
    box-shadow: 0 0 4px var(--warning-color);
}

.canvas-size-controls,
.bead-size-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.canvas-size-controls label,
.bead-size-control label {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.canvas-size-controls input {
    width: 60px;
    padding: 6px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    text-align: center;
}

.bead-size-control select {
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.btn-small {
    padding: 6px 12px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-small:hover {
    background: var(--primary-hover);
}

.history-controls,
.zoom-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.zoom-controls span {
    min-width: 50px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.tool-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tool-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--primary-color);
}

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

.tool-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-secondary {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.btn-primary {
    padding: 8px 16px;
    background: var(--primary-gradient);
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

/* 工作区布局 */
.design-workspace {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* 左侧工具面板 */
.tools-panel {
    width: 200px;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow-y: auto;
}

.tools-group {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.tools-group h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xs);
}

.tools-grid .tool-btn {
    width: 100%;
    height: 40px;
}

.current-color-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs);
}

.color-preview {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
}

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

.color-info span:first-child {
    font-size: 0.85rem;
    color: var(--text-primary);
}

/* 变换工具按钮 */
.transform-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.transform-buttons .action-btn {
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    transition: all 0.2s;
}

.transform-buttons .action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.transform-buttons .action-btn:active {
    transform: translateY(0);
}

.transform-buttons .action-btn i {
    font-size: 1rem;
}

.transform-buttons .action-btn span {
    flex: 1;
    text-align: left;
}

.color-info span:last-child {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: monospace;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) 0;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.checkbox-item input {
    accent-color: var(--primary-color);
}

/* 画布容器 */
.canvas-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    overflow: auto;
    padding: var(--spacing-lg);
}

.canvas-wrapper {
    position: relative;
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    transform-origin: center center;
    transition: transform 0.1s ease;
}

.canvas-wrapper canvas {
    position: absolute;
    top: 0;
    left: 0;
}

#designCanvas {
    z-index: 1;
}

#gridCanvas {
    z-index: 2;
    pointer-events: none;
}

#previewCanvas {
    z-index: 3;
    background: transparent;
}

/* 右侧调色板面板 */
.palette-panel {
    width: 240px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    overflow-y: auto;
}

.palette-group {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
}

.palette-group h4 {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.palette-group h4 .badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: var(--primary-color);
    color: white;
    border-radius: 10px;
    text-transform: none;
}

.palette-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
    margin-bottom: var(--spacing-sm);
}

.palette-tab {
    padding: 4px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-fast);
    min-width: 24px;
    text-align: center;
}

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

.palette-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.color-item {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.color-item:hover {
    transform: scale(1.15);
    z-index: 1;
}

.color-item.active {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.color-item .color-code {
    font-size: 8px;
    font-weight: bold;
    color: rgba(0, 0, 0, 0.6);
    text-shadow: 0 0 2px rgba(255, 255, 255, 0.8);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.color-item:hover .color-code {
    opacity: 1;
}

.recent-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.recent-colors .color-item {
    width: 28px;
    height: 28px;
}

/* 颜色统计 */
.color-stats {
    max-height: 150px;
    overflow-y: auto;
}

.stats-empty {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    padding: var(--spacing-sm);
}

.stats-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 4px 0;
}

.stats-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.stats-code {
    font-size: 0.75rem;
    font-weight: bold;
    color: var(--text-primary);
    min-width: 28px;
}

.stats-count {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-left: auto;
}

.stats-more {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    padding-top: var(--spacing-xs);
}

/* 作品信息 */
.design-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.info-row span:first-child {
    color: var(--text-muted);
}

.info-row span:last-child {
    color: var(--text-primary);
}

/* 保存预览 */
.save-preview {
    background: linear-gradient(145deg, rgba(255,255,255,0.95) 0%, rgba(248,250,252,0.95) 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    border: 2px solid rgba(124, 58, 237, 0.2);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    min-height: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
}

.save-preview:hover {
    border-color: var(--primary);
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.15),
        0 0 0 3px rgba(124, 58, 237, 0.1);
}

.save-preview img {
    max-width: 100%;
    max-height: 250px;
    border-radius: var(--radius-md);
    image-rendering: crisp-edges;
    image-rendering: -webkit-optimize-contrast;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.preview-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: normal;
}

.preview-zoom-hint {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 32px;
    height: 32px;
    background: rgba(124, 58, 237, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.save-preview:hover .preview-zoom-hint {
    opacity: 1;
}

/* 预览大图查看器 */
.save-preview-viewer {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    padding: 40px;
    box-sizing: border-box;
}

.save-preview-viewer.active {
    display: flex;
}

.save-preview-viewer img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.5);
    image-rendering: crisp-edges;
    image-rendering: -webkit-optimize-contrast;
}

.save-preview-viewer .viewer-close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2001;
}

.save-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: rgba(124, 58, 237, 0.1);
    border: 1px dashed rgba(124, 58, 237, 0.3);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    margin: 0;
}

.save-option:hover {
    background: rgba(124, 58, 237, 0.15);
    border-color: var(--primary-color);
}

.save-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    flex-shrink: 0;
}

.save-option span {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.3;
}

/* 即将推出占位 */
.coming-soon-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: var(--spacing-md);
    color: var(--text-secondary);
}

.coming-soon-icon {
    font-size: 4rem;
    color: var(--primary-color);
    opacity: 0.5;
}

.coming-soon-container h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
}

.coming-soon-container p {
    font-size: 1rem;
}

/* 响应式设计工具 */
@media (max-width: 1200px) {
    .tools-panel {
        width: 160px;
    }
    
    .palette-panel {
        width: 200px;
    }
}

@media (max-width: 992px) {
    .header-toolbar {
        display: none; /* 移动端隐藏，使用底部导航 */
    }
}

@media (max-width: 768px) {
    .design-workspace {
        flex-direction: column;
    }
    
    .tools-panel,
    .palette-panel {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        border-right: none;
        border-left: none;
        border-bottom: 1px solid var(--border-color);
        max-height: 150px;
        overflow-x: auto;
    }
    
    .tools-group,
    .palette-group {
        flex: 1;
        min-width: 150px;
    }
    
    .canvas-container {
        flex: 1;
        min-height: 300px;
    }
    
    .palette-panel {
        display: none;
    }
}

/* 设计工具增强样式 */

/* 单选按钮组 */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* 画布尺寸面板 */
.canvas-size-panel {
    margin-top: 12px;
    padding: 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.canvas-size-panel.hidden {
    display: none;
}

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

.size-input-row label {
    min-width: 24px;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.size-input-row input {
    flex: 1;
    padding: 6px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    text-align: center;
}

/* 预选尺寸按钮 */
.preset-sizes {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
}

.preset-size-btn {
    flex: 1;
    padding: 8px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

.custom-size-panel {
    padding-top: 8px;
    border-top: 1px dashed var(--border-color);
}

.btn-block {
    width: 100%;
}

.radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 4px 0;
}

.radio-item input[type="radio"] {
    accent-color: var(--primary-color);
}

.radio-item:hover {
    color: var(--text-primary);
}

/* 自动保存状态 */
.auto-save-status {
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-sm);
}

.save-status {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
}

.save-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transition: background 0.3s;
}

.save-status .status-dot.saved {
    background: #22c55e;
    box-shadow: 0 0 6px rgba(34, 197, 94, 0.5);
}

.save-status .status-dot.unsaved {
    background: #f59e0b;
    animation: pulse-warn 1.5s infinite;
}

@keyframes pulse-warn {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* 无界模式画布容器 */
.canvas-container.infinite-mode {
    cursor: default;
    overflow: hidden;
    background: 
        linear-gradient(90deg, rgba(100,100,100,0.1) 1px, transparent 1px),
        linear-gradient(rgba(100,100,100,0.1) 1px, transparent 1px),
        #1a1a2e;
    background-size: 20px 20px;
}

.canvas-container.infinite-mode .canvas-wrapper {
    transition: none;
}

/* 无界模式提示 */
.infinite-mode-hint {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    pointer-events: none;
}

/* 滚动条美化 */
.tools-panel::-webkit-scrollbar,
.palette-panel::-webkit-scrollbar {
    width: 4px;
}

.tools-panel::-webkit-scrollbar-thumb,
.palette-panel::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 2px;
}

.tools-panel::-webkit-scrollbar-thumb:hover,
.palette-panel::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ========================================
   图库选择器样式
   ======================================== */

/* 上传选项容器 */
.upload-options {
    display: flex;
    gap: var(--spacing-sm);
    align-items: stretch;
}

.upload-options .file-upload-area {
    flex: 1;
}

.btn-library {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: var(--spacing-md);
    min-width: 100px;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    transition: all 0.2s ease;
}

.btn-library:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

.btn-library i {
    font-size: 1.5rem;
}

/* 全宽图库选择按钮 */
.btn-library-full {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: var(--spacing-lg) var(--spacing-md);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-library-full:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(139, 92, 246, 0.1);
}

.btn-library-full i {
    font-size: 1.25rem;
}

/* 图库选择器工具栏 */
.library-picker-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
}

.library-picker-toolbar .search-box {
    flex: 1;
    max-width: 300px;
}

.selected-count {
    font-size: 0.9rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-radius: var(--radius-md);
}

.selected-count span {
    color: var(--primary);
    font-weight: 600;
}

/* 图库选择器网格 */
.library-picker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-sm);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

.library-picker-grid .loading-placeholder {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

.library-picker-grid .loading-placeholder i {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.library-picker-grid .empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

/* 图库选择项 */
.library-picker-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    background: var(--bg-tertiary);
}

.library-picker-item:hover {
    border-color: var(--text-muted);
    transform: scale(1.02);
}

.library-picker-item.selected {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

.library-picker-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    image-rendering: crisp-edges;
    image-rendering: -webkit-optimize-contrast;
}

.library-picker-item .check-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(139, 92, 246, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.library-picker-item.selected .check-overlay {
    opacity: 1;
}

.library-picker-item .check-overlay i {
    font-size: 2rem;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.library-picker-item .item-name {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 20px 8px 8px;
    font-size: 0.75rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 图库选择器滚动条 */
.library-picker-grid::-webkit-scrollbar {
    width: 6px;
}

.library-picker-grid::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.library-picker-grid::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.library-picker-grid::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}