/**
 * 硬件调试工具站 - 主样式 (蓝色主题)
 */

/* CSS变量 - 主题色 */
:root {
    --primary-color: #1890ff;
    --primary-dark: #096dd9;
    --primary-light: #40a9ff;
    --success-color: #52c41a;
    --warning-color: #faad14;
    --danger-color: #ff4d4f;
    --text-color: #333;
    --text-secondary: #666;
    --border-color: #e8e8e8;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 12px rgba(24, 144, 255, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

/* 重置样式 */
* {
    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;
    color: var(--text-color);
    background: var(--bg-color);
    line-height: 1.6;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部导航 */
.site-header {
    background: var(--header-bg);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
}

.logo img {
    height: 40px;
}

/* 文字Logo样式 */
.text-logo {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white !important;
    padding: 10px 20px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    transition: all 0.3s ease;
    text-decoration: none !important;
}

.text-logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.6);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.main-nav a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 10px 18px;
    border-radius: 8px;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #1890ff, #36cfc9);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.main-nav a:hover {
    color: var(--primary-color);
    background: rgba(24, 144, 255, 0.08);
}

.main-nav a:hover::after {
    width: 60%;
}

.main-nav a.active {
    color: var(--primary-color);
    background: linear-gradient(135deg, rgba(24, 144, 255, 0.12) 0%, rgba(54, 207, 201, 0.08) 100%);
    font-weight: 600;
}

.main-nav a.active::after {
    width: 70%;
    background: linear-gradient(90deg, #1890ff, #36cfc9);
}

/* 主内容区 */
.site-main {
    padding: 40px 0;
    min-height: calc(100vh - 200px);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-hover);
}

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

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

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

.btn-danger:hover {
    background: #ff7875;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 首页样式 */
.page-home {
    animation: fadeIn 0.5s ease;
}

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

.hero-section {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: var(--border-radius);
    margin-bottom: 40px;
}

.hero-section h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
}

.subtitle {
    font-size: 18px;
    opacity: 0.9;
}

/* 功能卡片网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 40px;
}

.card-icon svg {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature-card p {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* 信息区块 */
.info-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.info-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
}

.info-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.info-card ul {
    list-style: none;
    padding-left: 0;
}

.info-card li {
    padding: 8px 0;
    padding-left: 20px;
    position: relative;
    color: var(--text-secondary);
}

.info-card li:before {
    content: "•";
    color: var(--primary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 调试页面样式 */
.page-debug {
    animation: fadeIn 0.5s ease;
}

.debug-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.debug-header h1 {
    font-size: 32px;
    color: var(--primary-color);
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 500;
}

.status-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.status-dot.connected {
    background: var(--success-color);
    box-shadow: 0 0 8px var(--success-color);
}

.status-dot.disconnected {
    background: var(--danger-color);
}

/* 调试容器 */
.debug-container {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

@media (max-width: 768px) {
    .debug-container {
        grid-template-columns: 1fr;
    }
}

/* 配置面板 */
.config-panel,
.at-panel,
.data-panel {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
}

.config-panel h3,
.at-panel h3,
.data-panel h3 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group select,
.form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: var(--transition);
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.button-group {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.button-group .btn {
    flex: 1;
}

/* AT指令区 */
.at-commands {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 15px;
}

.custom-at {
    display: flex;
    gap: 10px;
}

.custom-at input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
}

/* 数据面板 */
.data-panel {
    grid-column: span 2;
}

.data-display {
    background: #f8f9fa;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    height: 400px;
    overflow-y: auto;
    margin-bottom: 15px;
    padding: 15px;
}

.data-log {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
}

.log-entry {
    margin-bottom: 8px;
    padding: 5px;
    border-radius: 4px;
}

.log-time {
    color: var(--text-secondary);
}

.log-type {
    font-weight: 600;
}

.log-send .log-type {
    color: var(--primary-color);
}

.log-receive .log-type {
    color: var(--success-color);
}

.log-error {
    background: #fff1f0;
    border-left: 3px solid var(--danger-color);
}

.log-success {
    background: #f6ffed;
    border-left: 3px solid var(--success-color);
}

.log-info {
    background: #e6f7ff;
    border-left: 3px solid var(--primary-color);
}

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

.data-input input {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
}

/* 提示区块 */
.tips-section {
    margin-top: 30px;
}

.tip-card {
    background: linear-gradient(135deg, #e6f7ff 0%, #bae7ff 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 20px;
}

.tip-card h4 {
    color: var(--primary-dark);
    margin-bottom: 10px;
}

.tip-card ul {
    list-style: none;
    padding-left: 0;
}

.tip-card li {
    padding: 5px 0;
    padding-left: 20px;
    position: relative;
}

.tip-card li:before {
    content: "ℹ";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 页脚 */
.site-footer {
    background: var(--header-bg);
    padding: 30px 0;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
}

.footer-content p {
    margin: 5px 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 15px;
    }

    .main-nav ul {
        gap: 15px;
    }

    .hero-section h1 {
        font-size: 32px;
    }

    .subtitle {
        font-size: 16px;
    }

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

    .data-panel {
        grid-column: span 1;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 自定义对话框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
}

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

.modal-dialog {
    background: white;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    min-width: 400px;
    max-width: 500px;
    width: 90%;
    transform: scale(0.9) translateY(-20px);
    transition: all 0.3s ease;
    overflow: hidden;
}

.modal-overlay.active .modal-dialog {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.modal-icon.info {
    background: rgba(24, 144, 255, 0.1);
    color: var(--primary-color);
}

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

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

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

.modal-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    flex: 1;
}

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

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

.modal-body {
    padding: 24px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.6;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.modal-btn {
    padding: 10px 24px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 80px;
}

.modal-btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(24, 144, 255, 0.3);
}

.modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(24, 144, 255, 0.4);
}

.modal-btn-secondary {
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.modal-btn-secondary:hover {
    background: var(--border-color);
}

.modal-btn-danger {
    background: linear-gradient(135deg, var(--danger-color) 0%, #cf1322 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 77, 79, 0.3);
}

.modal-btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 77, 79, 0.4);
}

/* 对话框响应式 */
@media (max-width: 480px) {
    .modal-dialog {
        min-width: auto;
        width: 95%;
        margin: 20px;
    }
    
    .modal-header {
        padding: 16px 20px;
    }
    
    .modal-body {
        padding: 20px;
    }
    
    .modal-footer {
        padding: 12px 20px;
        flex-direction: column-reverse;
    }
    
    .modal-btn {
        width: 100%;
    }
}