/* OnSpot 商家后台管理系统样式 */

/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

/* 登录页面样式 */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.login-header h1 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 2.5em;
}

.login-header p {
    color: #666;
    margin-bottom: 30px;
}

.login-form .input-group {
    position: relative;
    margin-bottom: 20px;
}

.login-form .input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #999;
}

.login-form input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.login-form input:focus {
    outline: none;
    border-color: #667eea;
}

.login-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
}

/* 主应用容器 */
.app-container {
    display: flex;
    min-height: 100vh;
    background: #f8f9fa;
}

/* 侧边栏样式 */
.sidebar {
    width: 280px;
    background: white;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 30px 20px;
    border-bottom: 1px solid #e1e5e9;
    text-align: center;
}

.sidebar-header h2 {
    color: #667eea;
    margin-bottom: 5px;
}

.sidebar-header p {
    color: #666;
    font-size: 14px;
}

.nav-menu {
    list-style: none;
    padding: 20px 0;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 15px 25px;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item:hover {
    background: #f8f9fa;
    color: #667eea;
}

.nav-item.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.nav-item i {
    margin-right: 15px;
    width: 20px;
    text-align: center;
}

.nav-item .badge {
    background: #ff4757;
    color: white;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    margin-left: auto;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid #e1e5e9;
}

.logout-btn {
    width: 100%;
    padding: 12px;
    background: #ff4757;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.logout-btn:hover {
    background: #ff3742;
}

/* 主内容区域 */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 顶部导航栏 */
.top-bar {
    background: white;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    margin-right: 20px;
    color: #666;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.notification {
    position: relative;
    cursor: pointer;
}

.notification-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

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

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

/* 内容区域 */
.content-area {
    flex: 1;
    padding: 30px;
    overflow-y: auto;
}

/* 页面内容样式 */
.page-content {
    display: none;
}

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

/* 数据概览卡片 */
.overview-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.card-title {
    font-size: 14px;
    color: #666;
    font-weight: 500;
}

.card-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
}

.card-value {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.card-change {
    font-size: 14px;
    color: #28a745;
}

.card-change.negative {
    color: #dc3545;
}

/* 订单列表样式 */
.orders-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.orders-header {
    padding: 20px 25px;
    border-bottom: 1px solid #e1e5e9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.orders-header h3 {
    color: #333;
    font-size: 18px;
}

.order-filters {
    display: flex;
    gap: 10px;
}

.filter-btn {
    padding: 8px 16px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn.active {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.orders-list {
    max-height: 600px;
    overflow-y: auto;
}

.order-item {
    padding: 20px 25px;
    border-bottom: 1px solid #f1f3f4;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.order-item:hover {
    background: #f8f9fa;
}

.order-info {
    flex: 1;
}

.order-number {
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.order-details {
    color: #666;
    font-size: 14px;
}

.order-amount {
    font-weight: bold;
    color: #667eea;
    font-size: 18px;
}

.order-status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.status-pending {
    background: #fff3cd;
    color: #856404;
}

.status-processing {
    background: #d1ecf1;
    color: #0c5460;
}

.status-completed {
    background: #d4edda;
    color: #155724;
}

.status-cancelled {
    background: #f8d7da;
    color: #721c24;
}

/* 菜单管理样式 */
.menu-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
}

.menu-header {
    padding: 20px 25px;
    border-bottom: 1px solid #e1e5e9;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.add-item-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.add-item-btn:hover {
    background: #5a6fd8;
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 25px;
}

.menu-item {
    border: 1px solid #e1e5e9;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.menu-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.menu-item-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.menu-item-content {
    padding: 20px;
}

.menu-item-name {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}

.menu-item-price {
    color: #667eea;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 10px;
}

.menu-item-category {
    color: #666;
    font-size: 14px;
    margin-bottom: 15px;
}

.menu-item-actions {
    display: flex;
    gap: 10px;
}

.action-btn {
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
}

.edit-btn {
    background: #28a745;
    color: white;
}

.edit-btn:hover {
    background: #218838;
}

.delete-btn {
    background: #dc3545;
    color: white;
}

.delete-btn:hover {
    background: #c82333;
}

/* 统计页面样式 */
.statistics-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    padding: 25px;
}

.statistics-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.date-range-selector {
    display: flex;
    gap: 10px;
    align-items: center;
}

.date-range-selector select,
.date-range-selector input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
}

.chart-container {
    margin-top: 30px;
    padding: 20px;
    border: 1px solid #e1e5e9;
    border-radius: 8px;
}

.chart-header {
    margin-bottom: 20px;
}

.chart-content {
    height: 300px;
    display: flex;
    align-items: end;
    gap: 10px;
}

.chart-bar {
    flex: 1;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 4px 4px 0 0;
    position: relative;
    min-height: 20px;
}

.bar-value {
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: #666;
}

.bar-label {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    color: #666;
}

/* 设置页面样式 */
.settings-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    padding: 25px;
}

.settings-form {
    max-width: 600px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #333;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 16px;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.save-btn {
    background: #667eea;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    transition: background 0.3s ease;
}

.save-btn:hover {
    background: #5a6fd8;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
}

/* 通知样式 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1001;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background: #28a745;
}

.notification-error {
    background: #dc3545;
}

.notification-info {
    background: #17a2b8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: -280px;
        top: 0;
        height: 100vh;
        z-index: 1000;
    }
    
    .sidebar.open {
        left: 0;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .overview-cards {
        grid-template-columns: 1fr;
    }
    
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .orders-header {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .order-filters {
        justify-content: center;
    }
}

/* 加载动画 */
.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 200px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 空状态样式 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ddd;
}

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #333;
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.tooltip:hover::after {
    opacity: 1;
}