/* Mpanel - 极简商务风格CSS */
:root {
    --primary: #165DFF;
    --primary-hover: #4080FF;
    --success: #00B42A;
    --danger: #F53F3F;
    --warning: #FF7D00;
    --bg-dark: #1a1a2e;
    --bg-card: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #2a2a4a;
    --chart-axis: #2a2a4a;
    --chart-label: #a0a0a0;
}

/* 浅色主题 */
[data-theme="light"] {
    --bg-dark: #f0f2f5;
    --bg-card: #ffffff;
    --text-primary: #1d2129;
    --text-secondary: #86909c;
    --border-color: #e5e6eb;
    --chart-axis: #e5e6eb;
    --chart-label: #86909c;
}
[data-theme="light"] .form-input,
[data-theme="light"] select.form-input {
    background: #ffffff;
    color: #1d2129;
}
[data-theme="light"] .stat-card {
    background: #ffffff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.08);
}
[data-theme="light"] .install-log {
    background: #f0f2f5;
}
[data-theme="light"] .batch-item:hover {
    background: rgba(0,0,0,0.05);
}
[data-theme="light"] .login-page,
[data-theme="light"] .install-page {
    background: linear-gradient(135deg, #e8ecf4, #dce3f0);
}

[data-theme="light"] .card {
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
[data-theme="light"] th {
    background: rgba(22,93,255,0.06);
    color: #4e5969;
}
[data-theme="light"] .nav-item {
    color: #4e5969;
}
[data-theme="light"] .stat-value {
    color: #1d2129;
}
[data-theme="light"] .header {
    box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}

/* 主题切换按钮 */
.theme-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}
.theme-btn:hover { color: var(--primary); border-color: var(--primary); }

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
}

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

.header {
    background: var(--bg-card);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.logo { font-size: 20px; font-weight: 600; color: var(--primary); }
.logo span { color: var(--text-primary); }

.header-right { display: flex; align-items: center; gap: 20px; }
.header-user { color: var(--text-secondary); }
.header-user strong { color: var(--text-primary); }

.main-layout { display: flex; min-height: calc(100vh - 60px); }

.sidebar {
    width: 220px;
    background: var(--bg-card);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    transition: width 0.3s;
}

.sidebar.collapsed { width: 60px; }

.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 25px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.nav-item:hover, .nav-item.active {
    background: rgba(22, 93, 255, 0.1);
    color: var(--primary);
    border-right: 3px solid var(--primary);
}

.nav-icon { width: 20px; height: 20px; margin-right: 12px; }
.nav-text { font-size: 14px; }

.content {
    flex: 1;
    padding: 25px;
    overflow-y: auto;
}

/* 卡片 */
.card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.card-title { font-size: 16px; font-weight: 600; }
.card-action { font-size: 13px; }

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 25px;
}

.stat-card {
    background: linear-gradient(135deg, var(--bg-card), #1a2744);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(22, 93, 255, 0.2);
}

.stat-icon {
    width: 45px;
    height: 45px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 20px;
}

.stat-icon.blue { background: rgba(22, 93, 255, 0.2); color: var(--primary); }
.stat-icon.green { background: rgba(0, 180, 42, 0.2); color: var(--success); }
.stat-icon.red { background: rgba(245, 63, 63, 0.2); color: var(--danger); }
.stat-icon.orange { background: rgba(255, 125, 0, 0.2); color: var(--warning); }

.stat-value { font-size: 28px; font-weight: 700; margin-bottom: 5px; }
.stat-label { font-size: 13px; color: var(--text-secondary); }

/* 表格 */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }

th, td {
    padding: 14px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    background: rgba(22, 93, 255, 0.05);
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

tr:hover { background: rgba(22, 93, 255, 0.03); }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s;
    text-decoration: none;
}

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

.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-color); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 15px; }

/* 表单 */
.form-group { margin-bottom: 20px; }
.form-label { display: block; margin-bottom: 8px; font-size: 14px; color: var(--text-secondary); }
.form-input {
    width: 100%;
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-select {
    width: 100%;
    padding: 10px 15px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-dark);
    color: var(--text-primary);
    font-size: 14px;
}

.form-row { display: flex; gap: 15px; }
.form-row .form-group { flex: 1; }

/* 状态标签 */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success { background: rgba(0, 180, 42, 0.2); color: var(--success); }
.badge-danger { background: rgba(245, 63, 63, 0.2); color: var(--danger); }
.badge-warning { background: rgba(255, 125, 0, 0.2); color: var(--warning); }
.badge-primary { background: rgba(22, 93, 255, 0.2); color: var(--primary); }
.badge-secondary { background: rgba(134, 144, 156, 0.2); color: var(--text-secondary); }

/* 协议标签 */
.protocol-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.protocol-vless { background: rgba(88, 86, 214, 0.2); color: #5856D6; }
.protocol-tuic { background: rgba(0, 180, 42, 0.2); color: #00B42A; }
.protocol-socks5 { background: rgba(255, 125, 0, 0.2); color: #FF7D00; }

/* 分页 */
.pagination {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 10px;
    margin-top: 20px;
}

.page-btn {
    padding: 6px 12px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
}

.page-btn:hover, .page-btn.active {
    border-color: var(--primary);
    color: var(--primary);
}

/* 弹窗 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal {
    background: var(--bg-card);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-title { font-size: 18px; font-weight: 600; }
.modal-close { cursor: pointer; font-size: 24px; color: var(--text-secondary); }
.modal-close:hover { color: var(--danger); }

.modal-body { padding: 20px; }
.modal-footer { padding: 20px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 10px; }

/* 提示 */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    z-index: 2000;
    animation: slideIn 0.3s ease;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* 登录页 */
.login-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-dark), #0f0f23);
}

.login-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-logo h1 { font-size: 24px; color: var(--primary); }
.login-logo p { color: var(--text-secondary); font-size: 14px; margin-top: 5px; }

/* 安装页 */
.install-page {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-dark), #0f0f23);
    padding: 20px;
}

.install-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 700px;
    border: 1px solid var(--border-color);
}

.install-header {
    text-align: center;
    margin-bottom: 30px;
}

.install-header h1 { font-size: 28px; color: var(--primary); margin-bottom: 10px; }
.install-header p { color: var(--text-secondary); }

.install-tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.install-tab {
    flex: 1;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.install-tab:hover, .install-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

.install-progress {
    margin: 20px 0;
    display: none;
}

.progress-bar {
    height: 4px;
    background: var(--border-color);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    transition: width 0.3s;
}

.install-log {
    background: var(--bg-dark);
    border-radius: 8px;
    padding: 15px;
    margin-top: 20px;
    max-height: 200px;
    overflow-y: auto;
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 12px;
    display: none;
}

.log-line { margin-bottom: 5px; color: var(--text-secondary); }
.log-success { color: var(--success); }
.log-error { color: var(--danger); }
.log-info { color: var(--primary); }

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

.empty-icon { font-size: 40px; margin-bottom: 15px; opacity: 0.4; color: var(--text-secondary); }
.empty-text { font-size: 16px; }

/* 图表容器 */
.chart-container { height: 300px; margin-top: 20px; }

/* 工具栏 */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.toolbar-left { display: flex; gap: 10px; }
.toolbar-right { display: flex; gap: 10px; }

/* 汉堡按钮（桌面隐藏）*/
.hamburger-btn {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    margin-right: 12px;
    flex-shrink: 0;
}

/* 侧边栏遮罩层 */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 998;
}
.sidebar-backdrop.open { display: block; }

/* 响应式 */
@media (max-width: 768px) {
    /* 汉堡按钮显示 */
    .hamburger-btn { display: inline-flex; }

    /* 侧边栏变为全屏覆盖抽屉 */
    .sidebar {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 200px;
        z-index: 999;
        padding-top: 60px;
        box-shadow: 4px 0 24px rgba(0,0,0,0.5);
    }
    .sidebar.open { display: flex; flex-direction: column; }

    /* 导航项更紧凑 */
    .nav-item { padding: 10px 16px; }
    .nav-icon { margin-right: 8px; }

    /* header 紧凑 */
    .header { padding: 10px 14px; }
    .logo span { display: none; }
    .header-user { display: none; }

    /* 内容区撑满全宽 */
    .main-layout { display: block; }
    .content { padding: 12px; }

    /* 统计卡片 2 列 */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 14px 12px; }
    .stat-value { font-size: 22px; }
    .stat-icon { width: 36px; height: 36px; margin-bottom: 10px; }

    /* 卡片 */
    .card { padding: 12px; }

    /* 表格：强制横向滚动，文字不换行不竖排 */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    table { min-width: max-content; }
    th, td {
        white-space: nowrap !important;
        padding: 8px 10px;
        font-size: 12px;
    }

    /* 工具栏 */
    .toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
    .toolbar-left, .toolbar-right {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
    }

    /* 表单 */
    .form-row { flex-direction: column; gap: 0; }
    .form-group { margin-bottom: 14px; }
    .form-input { font-size: 16px; } /* 防 iOS 自动缩放 */

    /* 弹窗 */
    .modal {
        width: 96%;
        max-width: none;
        max-height: 92vh;
        border-radius: 10px;
    }
    .modal-body { padding: 14px; }
    .modal-footer { padding: 12px 14px; }

    /* 按钮 */
    .btn-sm { padding: 4px 8px; font-size: 11px; }

    /* 分页 */
    .pagination { flex-wrap: wrap; gap: 6px; margin-top: 12px; }
    .page-btn { padding: 5px 10px; font-size: 12px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }