/**
 * 域名授权系统 - 天蓝配白主题样式
 * 响应式设计：支持桌面、平板、手机
 */

/* ==================== 变量定义 ==================== */
:root {
    --primary: #87CEEB;
    --primary-dark: #5CACEE;
    --primary-light: #B0E0E6;
    --bg-color: #F0F8FF;
    --white: #FFFFFF;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --success: #52c41a;
    --error: #ff4d4f;
    --warning: #faad14;
    --border: #e8e8e8;
    --shadow: rgba(0, 0, 0, 0.1);
    --sidebar-width: 220px;
    --admin-sidebar: 260px;
    --header-height: 60px;
    --radius: 8px;
    --radius-lg: 12px;
}

/* ==================== 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: var(--text-primary);
    background-color: var(--bg-color);
    min-height: 100vh;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--primary);
}

/* ==================== 布局容器 ==================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

/* 登录注册页面容器 */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--bg-color) 100%);
}

/* 登录框 */
.auth-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 32px var(--shadow);
    width: 100%;
    max-width: 400px;
    padding: 40px;
}

/* 后台登录框 */
.admin-auth-box {
    max-width: 450px;
}

.auth-box h1 {
    text-align: center;
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-size: 24px;
}

.auth-box .subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 30px;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-primary);
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: var(--white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(135, 206, 235, 0.2);
}

.form-control.error {
    border-color: var(--error);
}

.form-hint {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 5px;
}

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

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-dark);
    border: 1px solid var(--primary);
}

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

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

.btn-danger:hover {
    background: #ff7875;
    color: var(--white);
}

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

.btn-success:hover {
    background: #73d13d;
    color: var(--white);
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 13px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* ==================== 卡片样式 ==================== */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 8px var(--shadow);
    overflow: hidden;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-color);
}

.card-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary);
}

.card-body {
    padding: 20px;
}

.card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-color);
}

/* ==================== 侧边栏布局 ==================== */
.layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: var(--sidebar-width);
    background: var(--white);
    border-right: 1px solid var(--border);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid var(--border);
    background: var(--primary);
    color: var(--white);
}

.sidebar-header h2 {
    font-size: 18px;
    margin-bottom: 5px;
}

.sidebar-header .user-info {
    font-size: 12px;
    opacity: 0.9;
}

.sidebar-nav {
    padding: 15px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 12px 20px;
    color: var(--text-primary);
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--bg-color);
    color: var(--primary-dark);
    border-left-color: var(--primary);
}

.sidebar-nav a.active {
    background: var(--bg-color);
    color: var(--primary-dark);
    border-left-color: var(--primary);
    font-weight: 500;
}

.sidebar-nav .icon {
    width: 20px;
    height: 20px;
    margin-right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.content-header {
    background: var(--white);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.content-header h1 {
    font-size: 20px;
    color: var(--text-primary);
}

.content-body {
    padding: 24px;
    flex: 1;
}

/* ==================== 后台侧边栏 ==================== */
.admin-sidebar {
    width: var(--admin-sidebar);
    background: linear-gradient(180deg, var(--primary-dark) 0%, var(--primary) 100%);
}

.admin-sidebar .sidebar-header {
    background: transparent;
}

.admin-sidebar .sidebar-nav a {
    color: var(--white);
    opacity: 0.85;
}

.admin-sidebar .sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.15);
    opacity: 1;
    border-left-color: var(--white);
}

.admin-sidebar .sidebar-nav a.active {
    background: rgba(255, 255, 255, 0.2);
    opacity: 1;
    border-left-color: var(--white);
}

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

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

.table th,
.table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.table tr:hover {
    background: var(--bg-color);
}

.table tr:last-child td {
    border-bottom: none;
}

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

.badge-success {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success);
}

.badge-error {
    background: rgba(255, 77, 79, 0.1);
    color: var(--error);
}

.badge-warning {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning);
}

.badge-info {
    background: rgba(135, 206, 235, 0.2);
    color: var(--primary-dark);
}

/* ==================== 统计卡片 ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: 0 2px 8px var(--shadow);
}

.stat-card .stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 600;
    color: var(--primary-dark);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(135, 206, 235, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

/* ==================== 信息展示 ==================== */
.info-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    padding: 12px 16px;
    background: var(--bg-color);
    border-radius: var(--radius);
}

.info-item .label {
    width: 120px;
    color: var(--text-secondary);
    flex-shrink: 0;
}

.info-item .value {
    color: var(--text-primary);
    word-break: break-all;
}

/* ==================== 按钮组 ==================== */
.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-group .btn {
    flex: 1;
    min-width: 80px;
}

.custom-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

.custom-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    color: var(--primary-dark);
    font-weight: 500;
    transition: all 0.3s;
}

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

/* ==================== 模态框 ==================== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    margin: 0;
    font-size: 16px;
}

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 20px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s;
}

.modal-close:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

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

.alert-success {
    background: rgba(82, 196, 26, 0.1);
    color: var(--success);
    border: 1px solid rgba(82, 196, 26, 0.2);
}

.alert-error {
    background: rgba(255, 77, 79, 0.1);
    color: var(--error);
    border: 1px solid rgba(255, 77, 79, 0.2);
}

.alert-warning {
    background: rgba(250, 173, 20, 0.1);
    color: var(--warning);
    border: 1px solid rgba(250, 173, 20, 0.2);
}

.alert-info {
    background: rgba(135, 206, 235, 0.1);
    color: var(--primary-dark);
    border: 1px solid rgba(135, 206, 235, 0.2);
}

/* ==================== 搜索框 ==================== */
.search-box {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

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

.pagination a,
.pagination span {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-primary);
    transition: all 0.3s;
}

.pagination a:hover {
    background: var(--bg-color);
    border-color: var(--primary);
    color: var(--primary-dark);
}

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

/* ==================== 版权信息 ==================== */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-light);
    font-size: 13px;
    border-top: 1px solid var(--border);
    background: var(--white);
}

.footer a {
    color: var(--primary-dark);
}

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: var(--text-light);
}

.empty-state h4 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ==================== 复选框和单选框 ==================== */
.checkbox-group,
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.checkbox-item,
.radio-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="checkbox"],
input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* ==================== 授权码展示 ==================== */
.code-display {
    background: var(--bg-color);
    padding: 16px;
    border-radius: var(--radius);
    font-family: 'Courier New', monospace;
    word-break: break-all;
    margin-bottom: 16px;
}

.code-list {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
}

.code-item {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border);
    font-family: monospace;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.code-item:last-child {
    border-bottom: none;
}

.code-copy {
    cursor: pointer;
    color: var(--primary-dark);
}

/* ==================== 响应式设计 ==================== */

/* 平板端 */
@media (max-width: 1023px) {
    .sidebar {
        width: 200px;
    }

    .main-content {
        margin-left: 200px;
    }

    .admin-sidebar {
        width: 220px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 手机端 */
@media (max-width: 767px) {
    .sidebar {
        position: fixed;
        left: -100%;
        width: 280px;
        transition: left 0.3s;
        z-index: 1000;
    }

    .sidebar.show {
        left: 0;
    }

    .main-content {
        margin-left: 0;
    }

    .admin-sidebar {
        width: 280px;
    }

    .mobile-header {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 12px 16px;
        background: var(--white);
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 99;
    }

    .menu-toggle {
        width: 40px;
        height: 40px;
        border: none;
        background: rgba(92, 172, 238, 0.15);
        cursor: pointer;
        display: flex !important;
        flex-direction: column;
        gap: 5px;
        padding: 8px;
        border-radius: 8px;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .menu-toggle span {
        width: 22px;
        height: 3px;
        background: var(--primary-dark);
        border-radius: 2px;
        transition: all 0.3s;
    }

    .menu-toggle:hover {
        background: rgba(92, 172, 238, 0.3);
    }

    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .content-body {
        padding: 16px;
    }

    .auth-box {
        padding: 30px 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .info-list {
        grid-template-columns: 1fr;
    }

    .table th,
    .table td {
        padding: 10px 12px;
        font-size: 13px;
    }

    .btn-group {
        flex-direction: column;
    }

    .btn-group .btn {
        width: 100%;
    }

    .search-box {
        flex-direction: column;
    }

    .search-input {
        width: 100%;
    }
}

/* ==================== 加载动画 ==================== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== 工具类 ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-success { color: var(--success); }
.text-error { color: var(--error); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-light); }

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

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
}

.overlay.show {
    display: block;
}