/* 全局样式重置 - 核心：去掉所有点击高亮/闪烁光标 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", Arial, sans-serif;
    outline: none;
    /* 去掉所有元素点击虚线框 */
    user-select: none;
    /* 禁止文本选中/闪烁光标 */
    -webkit-user-select: none;
    /* 兼容webkit内核浏览器 */
    -moz-user-select: none;
    /* 兼容Firefox */
    -ms-user-select: none;
    /* 兼容IE/Edge */
}

/* LILYGO品牌主题色配置 */
:root {
    --primary: #4caf7d;
    /* LILYGO官方主色：橙红色 */
    --primary-light: #FFF1E6;
    /* 主色浅调 */
    --primary-dark: #E64A19;
    /* 主色深调 */
    --success: #4CAF50;
    /* 成功绿（适配品牌视觉） */
    --danger: #F44336;
    /* 危险红 */
    --warning: #FFC107;
    /* 警告黄 */
    --gray: #1153d6;
    --light-gray: #f3f4f6;
    --border: #e5e7eb;
    --card-bg: #ffffff;
    --body-bg: #f9fafb;
    --text: #111827;
}

body {
    background-color: var(--body-bg);
    color: var(--text);
    padding: 1rem;
    min-height: 100vh;
}

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

/* 头部logo - 适配logo图片+标题布局 */
.logo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

/* logo图片+标题组合容器 */
.logo-group {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    /* logo和标题之间的间距 */
}

/* LILYGO logo图片样式 */
.logo-img {
    width: 48px;
    /* logo宽度，可根据实际调整 */
    height: 48px;
    /* 等比例，保持logo不变形 */
    object-fit: contain;
    /* 防止logo拉伸 */
    flex-shrink: 0;
    /* 小屏幕下不缩小logo */
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary);
    /* LILYGO主色 */
    font-weight: 700;
    margin: 0;
    /* 清除默认margin，避免排版错乱 */
}

/* 响应式适配：小屏幕下缩小logo和标题 */
@media (max-width: 576px) {
    .logo-img {
        width: 36px;
        height: 36px;
    }

    .logo h1 {
        font-size: 1.2rem;
    }
}

.lang-switch-btn {
    padding: 0.5rem 1rem;
    background-color: var(--primary);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.lang-switch-btn:hover {
    background-color: var(--primary-dark);
    /* 主色深调hover */
}

/* 主布局 */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: 1.5rem;
}

/* 左侧面板 */
.left-panel {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 功能卡片选择 */
.card-selection {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.selection-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.8rem;
    padding: 1.2rem 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

/* LILYGO选中态 */
.selection-card.active {
    border-color: var(--primary);
    background-color: rgba(255, 87, 34, 0.05);
    /* 主色浅透底 */
}

.selection-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.selection-card .card-icon {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.selection-card .card-title {
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.selection-card .card-desc {
    font-size: 0.85rem;
    color: var(--gray);
}

/* 功能卡片 */
.function-card {
    display: none;
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.8rem;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}

.function-card.active {
    display: flex;
    flex-direction: column;
}

.function-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary);
    /* LILYGO主色 */
}

label {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

/* 设备卡片 - 重点：双重保障去掉闪烁光标 */
.device-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.device-card {
    border: 1px solid var(--border);
    border-radius: 0.6rem;
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    outline: none;
    /* 强制去掉点击外边框 */
    user-select: none;
    /* 强制禁止选中/光标 */
}

/* LILYGO设备选中态 */
.device-card.active {
    border-color: var(--primary);
    background-color: rgba(255, 87, 34, 0.05);
    outline: none;
    /* 选中态也去掉外边框 */
}

.device-card img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 0.5rem;
    pointer-events: none;
    /* 图片本身也禁止点击态 */
}

.device-card .device-name {
    font-size: 0.85rem;
    font-weight: 500;
}

/* 地址输入框/版本选择框通用样式 - 仅保留输入时的focus（功能性需要） */
.address-input {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.95rem;
    outline: none;
    /* 去掉默认focus边框 */
    transition: border 0.2s;
    appearance: none;
    background: #fff url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") no-repeat right 0.7rem center;
    background-size: 16px;
}

.address-input:focus {
    border-color: var(--primary);
    /* 仅保留边框变色，无虚线框 */
}

.address-input:disabled {
    background-color: var(--light-gray);
    cursor: not-allowed;
    opacity: 0.8;
}

/* 按钮通用样式 */
.port-btn,
.btn-burn,
.erase-btn,
.add-file-btn {
    width: 100%;
    padding: 0.75rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

/* LILYGO按钮样式 */
.port-btn {
    background-color: var(--primary);
    color: white;
}

.port-btn:disabled,
.btn-burn:disabled {
    background-color: var(--gray);
    cursor: not-allowed;
    opacity: 0.8;
}

.port-btn:hover:not(:disabled) {
    background-color: var(--primary-dark);
}

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

.btn-burn:hover:not(:disabled) {
    background-color: #388E3C;
}

.erase-btn {
    background-color: var(--warning);
    color: #111827;
}

.erase-btn:hover {
    background-color: #FFB300;
}

.add-file-btn {
    background-color: var(--light-gray);
    color: var(--text);
    padding: 0.6rem;
    font-size: 0.9rem;
}

.add-file-btn:hover {
    background-color: var(--border);
}

/* 文件列表 */
.file-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.file-entry {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.file-entry .address-input {
    flex: 1;
}

.file-entry .file-input {
    flex: 2;
    padding: 0.7rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.9rem;
    outline: none;
    /* 去掉文件选择框点击虚线 */
}

.file-entry .remove-file {
    padding: 0.7rem 1rem;
    background-color: var(--danger);
    color: white;
    border: none;
    border-radius: 0.5rem;
    cursor: pointer;
}

/* 进度条 */
progress {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background-color: var(--light-gray);
    border: none;
}

progress::-webkit-progress-bar {
    background-color: var(--light-gray);
    border-radius: 4px;
}

progress::-webkit-progress-value {
    background-color: var(--primary);
    /* LILYGO主色进度条 */
    border-radius: 4px;
}

/* 状态行 */
.status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

/* 状态圆点 */
.status-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 0.5rem;
}

.status-dot.connected {
    background-color: var(--success);
}

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

/* 间距类 */
.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.w-100 {
    width: 100%;
}

/* 右侧日志面板 */
.right-panel {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.log-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 0.8rem;
    padding: 1.5rem;
    height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
}

.log-card textarea {
    flex: 1;
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 0.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    /* 去掉日志框focus虚线 */
    background-color: #fafafa;
    color: var(--text);
}

/* 响应式适配 */
@media (max-width: 992px) {
    .main-layout {
        grid-template-columns: 1fr;
    }

    .log-card {
        height: 400px;
    }
}

@media (max-width: 576px) {
    .card-selection {
        grid-template-columns: 1fr;
    }

    .device-cards {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .device-card img {
        width: 50px;
        height: 50px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }
}