/**
 * 灵动积木 - 后台管理界面样式
 */

:root {
    --sidebar-width: 260px;
    --header-height: 70px;
    --primary-color: #667eea;
    --primary-dark: #5568d3;
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --border-color: #e2e8f0;
    --bg-gray: #f7fafc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-gray);
    color: var(--text-primary);
}

/* 主布局容器 */
.admin-layout,
.dashboard-container {
    display: flex;
    min-height: 100vh;
}

/* 侧边栏 */
.sidebar {
    width: var(--sidebar-width);
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 1000;
    transition: transform 0.3s ease;
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.sidebar-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.sidebar-menu {
    padding: 20px 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 14px 25px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.menu-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-left-color: white;
}

.menu-item .icon {
    width: 22px;
    height: 22px;
    font-size: 20px;
    text-align: center;
}

.menu-item .label {
    flex: 1;
    font-size: 15px;
    font-weight: 500;
}

.menu-item .badge {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.menu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 15px 20px;
}

/* 主内容区 */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* 顶部导航栏 */
.top-header {
    height: var(--header-height);
    background: white;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 30px;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 999;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-gray);
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    color: var(--text-primary);
}

.search-box {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 10px 40px 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: all 0.3s;
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-box .search-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: auto;
}

.header-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-gray);
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    color: var(--text-secondary);
    position: relative;
    transition: all 0.3s;
}

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

.header-btn .badge-dot {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background: #f56565;
    border-radius: 50%;
    border: 2px solid white;
}

.user-dropdown {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    position: relative;
}

.user-dropdown:hover {
    background: var(--bg-gray);
}

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    font-weight: 600;
}

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

.user-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.user-role {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 用户下拉菜单样式 */
.user-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 200px;
    z-index: 1000;
}

.user-menu .menu-item {
    display: block;
    padding: 12px 16px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.user-menu .menu-item:hover {
    background: var(--bg-gray);
}

.user-menu .menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 8px 0;
}

/* 页面内容区 */
.page-content {
    flex: 1;
    padding: 30px;
}

.page-header {
    margin-bottom: 30px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.page-subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 统计卡片网格 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.stat-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.stat-card-title {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-card-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.stat-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.trend-up {
    color: #48bb78;
}

.trend-down {
    color: #f56565;
}

/* 内容卡片 */
.content-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

/* 按钮 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-secondary {
    background: var(--bg-gray);
    color: var(--text-primary);
}

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

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .search-box {
        display: none;
    }
    
    .page-content {
        padding: 20px 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .user-info {
        display: none;
    }
}

/* 滚动条样式 */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* iPhone 风格快速操作卡片 */
.quick-actions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.quick-action-card {
    background: white;
    border-radius: 22px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

.quick-action-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
}

.quick-action-card:active {
    transform: translateY(-2px) scale(0.98);
}

.action-icon {
    width: 70px;
    height: 70px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.action-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.action-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.quick-action-highlight {
    position: relative;
    animation: pulse-glow 2s ease-in-out infinite;
}

.action-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: linear-gradient(135deg, #ff6b6b 0%, #ff5252 100%);
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(255, 82, 82, 0.4);
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    }
    50% {
        box-shadow: 0 4px 20px rgba(250, 112, 154, 0.3);
    }
}

@media (max-width: 768px) {
    .quick-actions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .quick-action-card {
        padding: 16px;
    }
    
    .action-icon {
        width: 56px;
        height: 56px;
        font-size: 26px;
        margin-bottom: 12px;
    }
    
    .action-title {
        font-size: 14px;
    }
    
    .action-desc {
        font-size: 11px;
    }
}