/**
 * 二级域名分发系统 - 全局样式
 * 配色: 蓝色(#2563eb) + 白色(#ffffff) + 灰色(#f3f4f6)
 */

/* ==================== 基础重置 ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #374151;
    background-color: #f3f4f6;
    min-height: 100vh;
}

a {
    color: #2563eb;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #1d4ed8;
}

/* ==================== 登录页面 ==================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
}

.login-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    padding: 40px 30px;
    text-align: center;
}

.login-header h1 {
    color: #fff;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.login-body {
    padding: 40px 30px;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.login-logo i {
    font-size: 40px;
    color: #2563eb;
}

/* ==================== 表单样式 ==================== */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #374151;
}

.form-label.required::after {
    content: ' *';
    color: #ef4444;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
    transition: all 0.3s;
    background: #fff;
}

.form-input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.form-input-group {
    display: flex;
    gap: 10px;
}

.form-input-group .form-input {
    flex: 1;
}

.form-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
    min-height: 100px;
    resize: vertical;
    transition: all 0.3s;
}

.form-textarea:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ==================== 按钮样式 ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background: #f3f4f6;
    color: #374151;
}

.btn-secondary:hover {
    background: #e5e7eb;
}

.btn-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
}

.btn-success:hover {
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
}

.btn-danger:hover {
    background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==================== 布局样式 ==================== */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 260px;
    background: #1e293b;
    color: #fff;
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 24px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-header h2 i {
    color: #60a5fa;
}

.sidebar-menu {
    padding: 16px 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    color: #cbd5e1;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.menu-item.active {
    background: rgba(37, 99, 235, 0.2);
    color: #60a5fa;
    border-left-color: #2563eb;
}

.menu-item i {
    width: 20px;
    text-align: center;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 24px;
    min-height: 100vh;
}

.header {
    background: #fff;
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
    color: #1f2937;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #6b7280;
}

.user-info i {
    width: 36px;
    height: 36px;
    background: #eff6ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2563eb;
}

/* ==================== 卡片样式 ==================== */
.card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 24px;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
}

.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: 24px;
}

.stat-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.blue {
    background: #eff6ff;
    color: #2563eb;
}

.stat-icon.green {
    background: #ecfdf5;
    color: #10b981;
}

.stat-icon.orange {
    background: #fff7ed;
    color: #f97316;
}

.stat-icon.purple {
    background: #f5f3ff;
    color: #8b5cf6;
}

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 4px;
}

.stat-info p {
    color: #6b7280;
    font-size: 14px;
}

/* ==================== 表格样式 ==================== */
.table-container {
    overflow-x: auto;
}

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

.data-table th,
.data-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.data-table th {
    background: #f9fafb;
    font-weight: 600;
    color: #374151;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody tr:hover {
    background: #f9fafb;
}

.data-table .actions {
    display: flex;
    gap: 8px;
}

/* ==================== 状态标签 ==================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #ecfdf5;
    color: #059669;
}

.badge-danger {
    background: #fef2f2;
    color: #dc2626;
}

.badge-warning {
    background: #fff7ed;
    color: #d97706;
}

.badge-info {
    background: #eff6ff;
    color: #2563eb;
}

.badge-secondary {
    background: #f3f4f6;
    color: #6b7280;
}

/* ==================== 消息提示 ==================== */
.alert {
    padding: 16px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: #ecfdf5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.alert-danger {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fff7ed;
    color: #d97706;
    border: 1px solid #fed7aa;
}

.alert-info {
    background: #eff6ff;
    color: #2563eb;
    border: 1px solid #bfdbfe;
}

/* ==================== 分页样式 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
}

.page-btn {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    color: #374151;
    font-size: 14px;
    transition: all 0.3s;
}

.page-btn:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
}

.page-btn.active {
    background: #2563eb;
    border-color: #2563eb;
    color: #fff;
}

.page-ellipsis {
    color: #9ca3af;
}

/* ==================== 模态框 ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: #fff;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: all 0.3s;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: #f3f4f6;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    transition: all 0.3s;
}

.modal-close:hover {
    background: #e5e7eb;
    color: #374151;
}

.modal-body {
    padding: 24px;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid #e5e7eb;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ==================== 搜索框 ==================== */
.search-box {
    display: flex;
    gap: 10px;
}

.search-box input {
    flex: 1;
    padding: 10px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 14px;
}

.search-box input:focus {
    outline: none;
    border-color: #2563eb;
}

/* ==================== 标签页 ==================== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 24px;
}

.tab {
    padding: 12px 20px;
    color: #6b7280;
    font-weight: 500;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.tab:hover {
    color: #2563eb;
}

.tab.active {
    color: #2563eb;
    border-bottom-color: #2563eb;
}

/* ==================== 用户端样式 ==================== */
.user-layout {
    min-height: 100vh;
    background: #f3f4f6;
}

.user-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    padding: 16px 0;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.user-header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-header h1 {
    font-size: 20px;
    font-weight: 600;
}

.user-nav {
    display: flex;
    gap: 24px;
}

.user-nav a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    transition: color 0.3s;
}

.user-nav a:hover,
.user-nav a.active {
    color: #fff;
}

.user-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px;
}

/* 商品卡片 */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.product-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.product-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: #fff;
    padding: 20px;
    text-align: center;
}

.product-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.product-price {
    font-size: 28px;
    font-weight: 700;
}

.product-price span {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.8;
}

.product-body {
    padding: 20px;
}

.product-desc {
    color: #6b7280;
    margin-bottom: 16px;
    min-height: 60px;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid #e5e7eb;
}

.product-meta span {
    color: #9ca3af;
    font-size: 13px;
}

/* 域名列表 */
.domain-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.domain-item {
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.domain-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 4px;
}

.domain-info p {
    color: #6b7280;
    font-size: 13px;
}

.domain-actions {
    display: flex;
    gap: 8px;
}

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

.empty-state i {
    font-size: 64px;
    color: #d1d5db;
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 18px;
    color: #374151;
    margin-bottom: 8px;
}

.empty-state p {
    color: #9ca3af;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .domain-item {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
    
    .user-header .container {
        flex-direction: column;
        gap: 16px;
    }
    
    .user-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* ==================== 工具类 ==================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-4 {
    margin-top: 16px;
}

.mb-4 {
    margin-bottom: 16px;
}

.ml-4 {
    margin-left: 16px;
}

.mr-4 {
    margin-right: 16px;
}

.hidden {
    display: none !important;
}