/* 
 * OSPFv3交互式H5网页 - 主样式表
 * 包含基础样式、布局和组件样式
 */

/* ===== 基础样式 ===== */
:root {
    /* 颜色系统 */
    --primary-color: #1E88E5;
    --primary-light: #64B5F6;
    --primary-dark: #1565C0;
    --success-color: #4CAF50;
    --warning-color: #FF9800;
    --error-color: #F44336;
    --neutral-light: #F5F5F5;
    --neutral-medium: #E0E0E0;
    --neutral-dark: #757575;
    --text-primary: #212121;
    --text-secondary: #757575;
    --text-disabled: #BDBDBD;
    --background-light: #FFFFFF;
    --background-dark: #F5F5F5;
    
    /* 间距系统 */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* 阴影 */
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-heavy: 0 8px 16px rgba(0,0,0,0.1);
    
    /* 圆角 */
    --border-radius-sm: 2px;
    --border-radius-md: 4px;
    --border-radius-lg: 8px;
    
    /* 尺寸 */
    --sidebar-width: 280px;
    --header-height: 60px;
    --footer-height: 60px;
}

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

html, body {
    font-family: 'Roboto', 'Noto Sans SC', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--background-light);
    height: 100%;
    width: 100%;
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: var(--spacing-md);
    font-weight: 500;
    line-height: 1.2;
}

h1 {
    font-size: 24px;
}

h2 {
    font-size: 20px;
}

h3 {
    font-size: 18px;
}

h4 {
    font-size: 16px;
}

p {
    margin-bottom: var(--spacing-md);
}

ul, ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-lg);
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

button {
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
}

/* ===== 布局样式 ===== */
body {
    display: flex;
    flex-direction: column;
}

.top-nav {
    height: var(--header-height);
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    box-shadow: var(--shadow-medium);
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: var(--spacing-md);
}

.logo h1 {
    font-size: 18px;
    margin-bottom: 0;
}

.main-nav {
    margin-left: auto;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav li {
    margin: 0 var(--spacing-sm);
}

.main-nav a {
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-md);
    transition: background-color 0.3s;
}

.main-nav a:hover, .main-nav a.active {
    background-color: rgba(255, 255, 255, 0.2);
    text-decoration: none;
}

.help-btn {
    background: none;
    border: none;
    color: white;
    margin-left: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.help-btn:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--background-light);
    border-right: 1px solid var(--neutral-medium);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width 0.3s;
}

.sidebar.right-sidebar {
    border-right: none;
    border-left: 1px solid var(--neutral-medium);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-medium);
}

.sidebar-header h2 {
    margin-bottom: 0;
}

.toggle-sidebar {
    background: none;
    border: none;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.toggle-sidebar:hover {
    background-color: var(--neutral-light);
}

.content-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    background-color: var(--background-dark);
}

.bottom-controls {
    height: var(--footer-height);
    background-color: var(--background-light);
    border-top: 1px solid var(--neutral-medium);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-md);
    z-index: 100;
}

/* ===== 组件样式 ===== */

/* 学习进度 */
.learning-progress {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-medium);
}

.progress-bar {
    height: 8px;
    background-color: var(--neutral-medium);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--spacing-xs);
}

.progress-fill {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: 4px;
}

.progress-text {
    font-size: 12px;
    color: var(--text-secondary);
}

/* 步骤指南 */
.step-guide {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-medium);
    overflow-y: auto;
}

.step-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
    opacity: 0.6;
}

.step.completed {
    opacity: 1;
}

.step.current {
    opacity: 1;
    font-weight: 500;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--neutral-medium);
    color: var(--text-primary);
    margin-right: var(--spacing-sm);
    font-size: 12px;
}

.step.completed .step-number {
    background-color: var(--success-color);
    color: white;
}

.step.current .step-number {
    background-color: var(--primary-color);
    color: white;
}

/* 知识树 */
.knowledge-tree {
    padding: var(--spacing-md);
    overflow-y: auto;
    flex: 1;
}

.tree-view {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tree-item {
    margin-bottom: var(--spacing-xs);
}

.tree-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.tree-label {
    cursor: pointer;
}

.tree-item.active > .tree-label {
    color: var(--primary-color);
    font-weight: 500;
}

.tree-children {
    list-style: none;
    padding-left: var(--spacing-lg);
    margin: var(--spacing-xs) 0;
}

/* 内容卡片 */
.content-card {
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* 标签页内容 */
.content-tabs {
    height: 100%;
}

.tab-content {
    display: none;
    height: 100%;
    overflow-y: auto;
}

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

/* 比较表格 */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
}

.comparison-row {
    display: flex;
    border-bottom: 1px solid var(--neutral-medium);
}

.comparison-row.header {
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
}

.comparison-cell {
    flex: 1;
    padding: var(--spacing-md);
}

/* 状态机图 */
.state-machine-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.state-machine-diagram {
    flex: 1;
    min-width: 300px;
    height: 400px;
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.state-details {
    flex: 1;
    min-width: 300px;
}

.state-list {
    list-style: none;
    padding: 0;
}

.state-item {
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.state-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.state-item h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
}

/* 场景选择器 */
.scene-selector {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.scene-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--background-light);
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-md);
    transition: background-color 0.3s;
}

.scene-btn:hover {
    background-color: var(--neutral-light);
}

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

.scene-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.scene-view {
    flex: 1;
    min-width: 300px;
    height: 400px;
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.scene-description {
    flex: 1;
    min-width: 300px;
}

/* 模拟工具栏 */
.simulation-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.toolbar {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.device-palette, .connection-tools, .template-tools {
    flex: 1;
    min-width: 200px;
}

.device-items {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.device-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm);
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-md);
    cursor: grab;
    transition: background-color 0.3s;
}

.device-item:hover {
    background-color: var(--neutral-light);
}

.device-item img {
    width: 40px;
    height: 40px;
    margin-bottom: var(--spacing-xs);
}

.tool-btn, .template-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--background-light);
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    transition: background-color 0.3s;
}

.tool-btn:hover, .template-btn:hover {
    background-color: var(--neutral-light);
}

.canvas-container {
    flex: 1;
    background-color: var(--background-light);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    overflow: hidden;
}

#network-canvas {
    width: 100%;
    height: 100%;
}

/* 厂商选择器 */
.vendor-selector {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-medium);
}

.vendor-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--background-light);
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-md);
    transition: background-color 0.3s;
}

.vendor-btn:hover {
    background-color: var(--neutral-light);
}

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

/* 命令显示 */
.command-display {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-medium);
}

.command-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.copy-btn:hover {
    background-color: var(--neutral-light);
}

.command-code {
    background-color: var(--neutral-light);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    overflow-x: auto;
    font-family: 'Consolas', 'Courier New', monospace;
    white-space: pre;
}

/* 设备配置表单 */
.device-config {
    padding: var(--spacing-md);
    overflow-y: auto;
    flex: 1;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
}

.form-group input {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--neutral-medium);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: 14px;
}

.apply-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    transition: background-color 0.3s;
}

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

/* 动画控制 */
.animation-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.control-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

.control-btn:hover {
    background-color: var(--neutral-light);
}

.speed-control {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* 导航控制 */
.navigation-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    transition: background-color 0.3s;
}

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

.step-indicator {
    font-size: 16px;
    font-weight: 500;
}

/* 帮助对话框 */
.help-dialog {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    max-width: 90%;
    background-color: var(--background-light);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-heavy);
    z-index: 1000;
    display: none;
}

.dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--neutral-medium);
}

.dialog-header h2 {
    margin-bottom: 0;
}

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

.close-dialog:hover {
    background-color: var(--neutral-light);
}

.dialog-content {
    padding: var(--spacing-md);
    max-height: 70vh;
    overflow-y: auto;
}

/* 占位符文本 */
.placeholder-text {
    color: var(--text-secondary);
    font-style: italic;
}

/* ===== 响应式样式 ===== */
@media (max-width: 1199px) {
    .sidebar {
        width: 240px;
    }
    
    .sidebar.collapsed {
        width: 0;
    }
}

@media (max-width: 767px) {
    .main-container {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        height: 100%;
        position: fixed;
        top: var(--header-height);
        left: 0;
        z-index: 200;
        transform: translateX(-100%);
    }
    
    .sidebar.right-sidebar {
        transform: translateX(100%);
        left: auto;
        right: 0;
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .state-machine-container,
    .scene-container {
        flex-direction: column;
    }
    
    .bottom-controls {
        flex-direction: column;
        height: auto;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
}