/* ============================================ */
/*  即梦工具箱 - Web服务 样式表                    */
/*  现代、简洁的设计风格                            */
/* ============================================ */

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;
    
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-dark: #0f172a;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
    
    --radius-sm: 6px;
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ============== 导航栏 ============== */

.navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.9);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.brand-icon {
    font-size: 24px;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius);
    color: var(--text-light);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-link:hover {
    background: var(--border-light);
    color: var(--text);
}

.nav-link.active {
    background: var(--primary);
    color: white;
}

/* ============== 主内容 ============== */

.main-content {
    flex: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 24px;
    width: 100%;
}

/* ============== 页脚 ============== */

.footer {
    background: var(--bg-dark);
    color: var(--text-muted);
    padding: 24px;
    text-align: center;
    font-size: 13px;
    margin-top: auto;
}

/* ============== 卡片 ============== */

.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

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

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

/* ============== 统计卡片 ============== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-card.primary .stat-value { color: var(--primary); }
.stat-card.success .stat-value { color: var(--success); }
.stat-card.warning .stat-value { color: var(--warning); }
.stat-card.danger .stat-value { color: var(--danger); }
.stat-card.info .stat-value { color: var(--info); }

.stat-card .stat-change {
    font-size: 12px;
    margin-top: 4px;
    color: var(--text-muted);
}

/* ============== 用户统计小卡片 ============== */

.user-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.user-stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    padding: 20px 24px;
    box-shadow: var(--shadow-sm);
}

.user-stat-card .user-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.user-stat-card .user-name::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
}

.user-stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.user-stat-item {
    text-align: center;
}

.user-stat-item .label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.user-stat-item .value {
    font-size: 20px;
    font-weight: 700;
    margin-top: 2px;
}

/* ============== 表格 ============== */

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

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: var(--border-light);
    border-bottom: 1px solid var(--border);
}

table td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
}

table tr:hover td {
    background: var(--border-light);
}

/* ============== 徽章 ============== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: var(--success-light);
    color: #065f46;
}

.badge-warning {
    background: var(--warning-light);
    color: #92400e;
}

.badge-danger {
    background: var(--danger-light);
    color: #991b1b;
}

.badge-info {
    background: var(--info-light);
    color: #1e40af;
}

/* ============== 按钮 ============== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.5;
}

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

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

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

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

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

.btn-outline {
    background: transparent;
    color: var(--text);
    border-color: var(--border);
}

.btn-outline:hover {
    background: var(--border-light);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

/* ============== 表单 ============== */

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    color: var(--text);
    background: var(--bg-card);
    transition: border-color 0.2s;
    font-family: inherit;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

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

/* ============== 商店卡片 ============== */

.page-header {
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-light);
    font-size: 15px;
}

.announcement {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    padding: 16px 24px;
    border-radius: var(--radius-lg);
    margin-bottom: 32px;
    font-size: 14px;
}

.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}

.shop-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.2s;
    box-shadow: var(--shadow-sm);
}

.shop-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.shop-card-header {
    background: linear-gradient(135deg, #667eea, #764ba2);
    padding: 24px;
    color: white;
    text-align: center;
}

.shop-card-header .account-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.shop-card-header .account-region {
    font-size: 24px;
    font-weight: 700;
}

.shop-card-body {
    padding: 20px;
}

.shop-card-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.shop-card-info .info-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.shop-card-info .info-row .label {
    color: var(--text-muted);
}

.shop-card-info .info-row .value {
    font-weight: 500;
}

.shop-card-price {
    text-align: center;
    padding: 16px 0;
    border-top: 1px solid var(--border-light);
}

.shop-card-price .price {
    font-size: 28px;
    font-weight: 700;
    color: var(--danger);
}

.shop-card-price .price-unit {
    font-size: 14px;
    color: var(--text-muted);
}

.shop-card-action {
    padding: 0 20px 20px;
}

.shop-card-action .btn {
    width: 100%;
}

/* ============== 空状态 ============== */

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.empty-state .empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-light);
}

/* ============== 分页 ============== */

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.pagination a {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    font-size: 14px;
    transition: all 0.15s;
}

.pagination a:hover {
    background: var(--border-light);
}

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

/* ============== 管理后台 ============== */

.admin-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

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

.section-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ============== 登录页 ============== */

.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
}

.login-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.login-card h2 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 24px;
}

.login-card .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 32px;
    font-size: 14px;
}

.login-error {
    background: var(--danger-light);
    color: #991b1b;
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}

/* ============== 筛选栏 ============== */

.filter-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-card);
}

/* ============== 图表占位 ============== */

.chart-container {
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--border-light);
    border-radius: var(--radius);
    margin-bottom: 24px;
}

/* ============== 模态框 ============== */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: 32px;
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    overflow-y: auto;
}

.modal h3 {
    font-size: 18px;
    margin-bottom: 20px;
}

/* ============== 工具类 ============== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-primary { color: var(--primary); }
.text-warning { color: var(--warning); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }

/* ============== 响应式 ============== */

@media (max-width: 640px) {
    .nav-container {
        padding: 0 16px;
    }
    
    .nav-links {
        gap: 2px;
    }
    
    .nav-link {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .main-content {
        padding: 16px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .shop-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card .stat-value {
        font-size: 24px;
    }
}

/* ============== 联系方式区块 ============== */

.contact-section {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border: 1px solid #bae6fd;
    border-radius: var(--radius-lg);
    padding: 24px;
    text-align: center;
    margin-top: 32px;
}

.contact-section h3 {
    font-size: 18px;
    color: var(--text);
    margin-bottom: 12px;
}

.contact-section p {
    color: var(--text-light);
    font-size: 14px;
    white-space: pre-line;
}

/* ============== 操作栏 ============== */

.action-bar {
    display: flex;
    gap: 8px;
}

.action-bar form {
    display: inline;
}

/* ============== 标签页切换 ============== */

.tab-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--border);
    margin-bottom: 24px;
}

.tab-btn {
    padding: 10px 20px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.2s;
}

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

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}