/* CRM系统自定义样式 */
:root {
    --primary-color: #4A90E2;
    --secondary-color: #7ED321;
    --accent-color: #F5A623;
    --danger-color: #D0021B;
    --warning-color: #F8E71C;
    --info-color: #50E3C2;
    --dark-color: #2C3E50;
    --light-color: #ECF0F1;
    --sidebar-bg: #34495E;
    --sidebar-hover: #2C3E50;
    --card-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --border-radius: 8px;
}

/* 全局样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}

/* 登录页面样式 */
.login-container {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h1 {
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: #666;
    margin: 0;
}

/* 侧边栏样式 */
.sidebar {
    background-color: var(--sidebar-bg);
    min-height: 100vh;
    width: 250px;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    overflow-y: auto;
}

.sidebar.collapsed {
    width: 70px;
}

.sidebar-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.sidebar-header h3 {
    color: white;
    margin: 0;
    font-size: 1.2rem;
    font-weight: 600;
}

.sidebar.collapsed .sidebar-header h3 {
    display: none;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 1rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background-color: var(--sidebar-hover);
    color: white;
}

.sidebar-nav i {
    width: 20px;
    margin-right: 0.75rem;
    text-align: center;
}

.sidebar.collapsed .sidebar-nav span {
    display: none;
}

/* 主内容区域 */
.main-content {
    margin-left: 250px;
    transition: all 0.3s ease;
    min-height: 100vh;
}

.main-content.expanded {
    margin-left: 70px;
}

/* 顶部导航栏 */
.top-navbar {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 999;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--dark-color);
    cursor: pointer;
    margin-right: 1rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-color);
    margin: 0;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

/* 仪表板样式 */
.dashboard-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #5BA3F5 100%);
    color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    text-align: center;
}

.dashboard-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.dashboard-header p {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.stat-icon.customers { background: var(--primary-color); }
.stat-icon.opportunities { background: var(--secondary-color); }
.stat-icon.orders { background: var(--accent-color); }
.stat-icon.quotes { background: var(--info-color); }
.stat-icon.follows { background: var(--warning-color); color: var(--dark-color); }

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

.stat-trend {
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.trend-up { color: var(--secondary-color); }
.trend-down { color: var(--danger-color); }

/* 快捷操作区域 */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.action-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    text-align: center;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.action-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    text-decoration: none;
    color: inherit;
}

.action-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.action-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.action-desc {
    color: #666;
    font-size: 0.9rem;
    margin: 0;
}

/* 数据表格样式 */
.table-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    overflow: hidden;
}

.table-header {
    background: #f8f9fa;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #dee2e6;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.table-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
}

.table-actions {
    display: flex;
    gap: 0.5rem;
}

.table-responsive {
    overflow-x: auto;
}

.table {
    margin: 0;
}

.table th {
    background: #f8f9fa;
    border-top: none;
    font-weight: 600;
    color: var(--dark-color);
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* 状态标签 */
.status-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-active { background: rgba(126, 211, 33, 0.1); color: var(--secondary-color); }
.status-pending { background: rgba(248, 231, 28, 0.1); color: #F39C12; }
.status-completed { background: rgba(74, 144, 226, 0.1); color: var(--primary-color); }
.status-cancelled { background: rgba(208, 2, 27, 0.1); color: var(--danger-color); }

/* 按钮样式 */
.btn {
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: #3A7BC8;
    border-color: #3A7BC8;
}

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

.btn-success:hover {
    background: #6BC91A;
    border-color: #6BC91A;
}

.btn-sm {
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
}

/* 表单样式 */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #ddd;
    padding: 0.75rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(74, 144, 226, 0.25);
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    font-weight: 500;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    margin-bottom: 1.5rem;
}

.card-header {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.card-body {
    padding: 1.5rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
        position: fixed;
        z-index: 1050;
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .main-content.expanded {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .dashboard-header h1 {
        font-size: 2rem;
    }
    
    .top-navbar {
        padding: 1rem;
    }
    
    .table-actions {
        flex-direction: column;
        gap: 0.25rem;
    }
}

@media (max-width: 576px) {
    .dashboard-header {
        padding: 1.5rem;
    }
    
    .dashboard-header h1 {
        font-size: 1.8rem;
    }
    
    .stat-card {
        padding: 1rem;
    }
    
    .action-card {
        padding: 1rem;
    }
    
    .table-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
}

/* 加载动画 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 1s ease-in-out infinite;
}

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

/* 提示消息 */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 1rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(126, 211, 33, 0.1);
    color: var(--secondary-color);
}

.alert-danger {
    background: rgba(208, 2, 27, 0.1);
    color: var(--danger-color);
}

.alert-info {
    background: rgba(74, 144, 226, 0.1);
    color: var(--primary-color);
}

/* 分页样式 */
.pagination {
    justify-content: center;
    margin-top: 2rem;
}

.page-link {
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
    border: 1px solid #ddd;
    color: var(--primary-color);
}

.page-link:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.page-item.active .page-link {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* 模态框样式 */
.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal-title {
    font-weight: 600;
    color: var(--dark-color);
}

/* 工具提示 */
.tooltip-inner {
    background: var(--dark-color);
    border-radius: var(--border-radius);
}

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

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}