@supports not selector(::-webkit-scrollbar) {
    .scroll {
        scrollbar-color: rgba(0,0,0,0.3) rgba(0,0,0,0);
        scrollbar-width: thin;
    }
}

.install_content {
    height: calc(100vh - 120px)
}

/* CSS变量定义 - 设计系统 */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    --secondary-gradient: linear-gradient(135deg, #718096 0%, #4a5568 100%);
    --primary-color: #667eea;
    --primary-hover: #5a67d8;
    --success-color: #48bb78;
    --success-hover: #38a169;
    --secondary-color: #718096;
    --secondary-hover: #4a5568;
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f7fafc;
    --border-primary: #e2e8f0;
    --border-secondary: #cbd5e0;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --border-radius: 8px;
    --border-radius-sm: 4px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 全局基础样式 */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 全局动画类 */
.fade-in {
    animation: fadeIn var(--transition-slow) ease-in;
}

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

.slide-in {
    animation: slideIn var(--transition-normal) ease-out;
}

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

.scale-in {
    animation: scaleIn var(--transition-normal) ease-out;
}

@keyframes scaleIn {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* 改进卡片样式 */
.card {
    box-shadow: var(--shadow-sm) !important;
    border: 1px solid var(--border-primary) !important;
    border-radius: var(--border-radius-lg) !important;
    transition: all var(--transition-normal) var(--ease-out);
    background: var(--bg-primary);
}

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

/* 改进按钮样式 */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all var(--transition-normal) var(--ease-out);
    border: none;
    position: relative;
    overflow: hidden;
}

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

.btn:active {
    transform: translateY(0);
}

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

.btn-primary:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

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

.btn-success:hover {
    background: linear-gradient(135deg, #38a169 0%, #2f855a 100%);
}

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

.btn-secondary:hover {
    background: linear-gradient(135deg, #4a5568 0%, #2d3748 100%);
}

/* 表单控件样式 */
.form-control {
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    transition: all var(--transition-normal) var(--ease-out);
    background: var(--bg-tertiary);
    font-size: 14px;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
    background: var(--bg-primary);
}

.form-select {
    border: 2px solid var(--border-primary);
    border-radius: var(--border-radius);
    padding: 12px 16px;
    transition: all var(--transition-normal) var(--ease-out);
    background: var(--bg-tertiary);
    font-size: 14px;
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
    background: var(--bg-primary);
}

/* 表格优化 */
.table {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--bg-primary);
}

.table thead th {
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-weight: 600;
    padding: 16px;
    font-size: 14px;
}

.table tbody tr {
    transition: all var(--transition-fast) ease;
}

.table tbody tr:hover {
    background-color: rgba(102, 126, 234, 0.05);
    transform: scale(1.01);
}

.table tbody td {
    padding: 16px;
    vertical-align: middle;
    border-top: 1px solid var(--border-primary);
}

/* 模态框优化 */
.modal-content {
    border-radius: var(--border-radius-xl);
    border: none;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
    border: none;
    padding: 20px 24px;
}

.modal-title {
    font-weight: 600;
    font-size: 18px;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    border-top: 1px solid var(--border-primary);
    padding: 16px 24px;
}

/* 导航优化 */
.nav-link {
    border-radius: var(--border-radius);
    margin: 4px 8px;
    transition: all var(--transition-normal) ease;
    font-weight: 500;
}

.nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
    transform: translateX(4px);
}

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

/* 标签页优化 */
.tabs .nav-link {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    font-weight: 500;
    transition: all var(--transition-normal) ease;
}

.tabs .nav-link:hover {
    background: rgba(102, 126, 234, 0.1);
}

.tabs .nav-link.active {
    background: var(--primary-gradient);
    color: white;
    border: none;
}

/* 工具提示优化 */
.tooltip {
    font-size: 12px;
    border-radius: var(--border-radius-sm);
}

/* 进度条优化 */
.progress {
    height: 8px;
    border-radius: var(--border-radius-sm);
    background-color: var(--border-primary);
}

.progress-bar {
    background: var(--primary-gradient);
    border-radius: var(--border-radius-sm);
}

/* 徽章优化 */
.badge {
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    padding: 4px 8px;
}

/* 警告框优化 */
.alert {
    border-radius: var(--border-radius);
    border: none;
    padding: 16px;
}

.alert-primary {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
    border-left: 4px solid var(--primary-color);
}

.alert-success {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-color);
    border-left: 4px solid var(--success-color);
}

.alert-warning {
    background: rgba(237, 137, 54, 0.1);
    color: #ed8936;
    border-left: 4px solid #ed8936;
}

.alert-danger {
    background: rgba(229, 62, 62, 0.1);
    color: #e53e3e;
    border-left: 4px solid #e53e3e;
}

/* 响应式优化 */
@media (max-width: 768px) {
    .container-fluid {
        padding-left: 16px;
        padding-right: 16px;
    }

    .card {
        margin-bottom: 20px;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .form-control {
        padding: 10px 14px;
    }
    
    .table thead th,
    .table tbody td {
        padding: 12px 8px;
        font-size: 14px;
    }
}

/* 滚动条优化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--border-radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 选择文本样式 */
::selection {
    background: rgba(102, 126, 234, 0.2);
    color: var(--text-primary);
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .no-print {
        display: none !important;
    }
    
    .card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f7fafc;
        --text-secondary: #e2e8f0;
        --text-muted: #a0aec0;
        --bg-primary: #1a202c;
        --bg-secondary: #2d3748;
        --bg-tertiary: #4a5568;
        --border-primary: #4a5568;
        --border-secondary: #718096;
    }
}

/* 动画优化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}