/* 超康源养老系统全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1e3c72;
    --secondary: #2a5298;
    --accent: #7e22ce;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --info: #3b82f6;
    --dark: #1e293b;
    --light: #f8fafc;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background: #fafbfc;
}

/* 顶部导航栏 */
.navbar-top {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
    padding: 0.8rem 0;
    box-shadow: 0 2px 10px rgba(30,60,114,0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-top .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-icon {
    font-size: 26px;
}

.brand-text {
    letter-spacing: 1px;
}

.navbar-user {
    display: flex;
    gap: 10px;
    align-items: center;
}

.navbar-user a {
    color: #fff;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    transition: all 0.3s;
}

.navbar-user .user-info {
    background: rgba(255,255,255,0.2);
}

.navbar-user .nav-logout {
    background: rgba(255,255,255,0.1);
}

.navbar-user a:hover {
    background: rgba(255,255,255,0.3);
}

/* 底部导航栏 (APP风格) */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 -2px 15px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    z-index: 999;
    border-top: 1px solid #e5e7eb;
}

.bottom-nav .nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 6px 20px;
    text-decoration: none;
    color: #6b7280;
    transition: all 0.3s;
    flex: 1;
    max-width: 100px;
}

.bottom-nav .nav-item.active {
    color: #7e22ce;
}

.bottom-nav .nav-item:hover {
    color: #2a5298;
}

.bottom-nav .nav-icon {
    font-size: 22px;
}

.bottom-nav .nav-label {
    font-size: 12px;
    font-weight: 500;
}

/* 主内容区 */
.main-content {
    padding-bottom: 80px;
}

/* 快捷操作按钮 */
.quick-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    padding: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.action-btn {
    flex: 1;
    max-width: 150px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(102,126,234,0.3);
}

.action-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(102,126,234,0.4);
}

.action-btn.primary {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
}

.action-btn.secondary {
    background: linear-gradient(135deg, #7e22ce 0%, #9333ea 100%);
}

.action-icon {
    font-size: 28px;
}

.action-btn span:last-child {
    font-size: 14px;
    font-weight: 600;
}

/* 页脚 */
.footer-info {
    text-align: center;
    padding: 20px;
    color: #9ca3af;
    font-size: 12px;
    margin-bottom: 70px;
}

@media (max-width: 768px) {
    .navbar-brand {
        font-size: 18px;
    }
    
    .brand-icon {
        font-size: 22px;
    }
    
    .quick-actions {
        padding: 15px;
        gap: 10px;
    }
    
    .action-btn {
        padding: 12px 16px;
        max-width: 120px;
    }
    
    .action-icon {
        font-size: 24px;
    }
    
    .action-btn span:last-child {
        font-size: 13px;
    }
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 卡片 */
.card {
    background: #fff;
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s;
}

.card:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

/* 按钮 */
.btn {
    display: inline-block;
    padding: 10px 25px;
    border: none;
    border-radius: 25px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102,126,234,0.4);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

/* 表单 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--dark);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(102,126,234,0.1);
}

/* 网格布局 */
.grid {
    display: grid;
    gap: 20px;
}

.grid-2 {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}

/* 商品卡片 */
.product-card {
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card-body {
    padding: 15px;
}

.product-card-title {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.product-card-price {
    font-size: 20px;
    color: var(--danger);
    font-weight: bold;
}

/* 用户中心统计 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    margin: 10px 0;
}

.stat-label {
    font-size: 14px;
    opacity: 0.9;
}

/* 表格 */
.table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
}

.table th {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
    padding: 15px;
    text-align: left;
    font-weight: bold;
}

.table td {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.table tr:hover {
    background: #f8f9fa;
}

/* 徽章 */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    color: #fff;
}

.badge-success {
    background: var(--success);
}

.badge-warning {
    background: var(--warning);
}

.badge-danger {
    background: var(--danger);
}

.badge-info {
    background: var(--info);
}

/* 响应式 */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .navbar-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* 加载动画 */
.loading {
    text-align: center;
    padding: 40px;
}

.loading:after {
    content: "...";
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: "."; }
    40% { content: ".."; }
    60%, 100% { content: "..."; }
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

/* 渐变背景 */
.gradient-bg {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: #fff;
}