/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2196F3;
    --secondary-color: #4CAF50;
    --danger-color: #f44336;
    --warning-color: #ff9800;
    --dark-bg: #1a1a2e;
    --light-bg: #16213e;
    --panel-bg: #0f3460;
    --text-color: #eee;
    --border-color: #2c3e50;
    --success-color: #4CAF50;
    --error-color: #f44336;
    --info-color: #2196F3;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--light-bg) 100%);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* 头部 */
header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--panel-bg);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #2196F3, #4CAF50);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: #aaa;
    font-size: 1.1em;
}

/* 状态栏 */
.status-bar {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 15px 20px;
    background: var(--panel-bg);
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    flex-wrap: wrap;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.label {
    color: #aaa;
    font-weight: 500;
}

.status-value {
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: bold;
    font-size: 0.9em;
}

.status-value.connected {
    background: var(--success-color);
    color: white;
    animation: pulse 2s infinite;
}

.status-value.disconnected {
    background: var(--error-color);
    color: white;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* 按钮样式 */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1em;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    margin-left: auto;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.4);
}

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

.btn-primary:hover {
    background: #1976D2;
}

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

.btn-danger:hover {
    background: #d32f2f;
}

.btn-small {
    padding: 5px 10px;
    font-size: 0.9em;
}

/* 主内容区 */
.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

/* 面板 */
.panel {
    background: var(--panel-bg);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.panel h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 10px;
}

.panel h3 {
    margin: 15px 0 10px 0;
    color: var(--secondary-color);
    font-size: 1.1em;
}

/* 标签页 */
.tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 8px 15px;
    border: none;
    background: var(--dark-bg);
    color: #aaa;
    cursor: pointer;
    border-radius: 5px 5px 0 0;
    transition: all 0.3s;
    font-size: 0.9em;
}

.tab-btn:hover {
    background: var(--light-bg);
    color: white;
}

.tab-btn.active {
    background: var(--primary-color);
    color: white;
    font-weight: bold;
}

.tab-content {
    display: none;
}

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

/* 命令按钮 */
.cmd-btn {
    display: block;
    width: 100%;
    padding: 12px 15px;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
    background: var(--dark-bg);
    color: var(--text-color);
    cursor: pointer;
    border-radius: 5px;
    text-align: left;
    transition: all 0.3s;
    font-size: 0.95em;
}

.cmd-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.cmd-btn:active {
    transform: translateX(5px) scale(0.98);
}

/* 输入组 */
.input-group {
    margin: 15px 0;
    padding: 15px;
    background: var(--dark-bg);
    border-radius: 5px;
    border: 1px solid var(--border-color);
}

.input-group label {
    display: block;
    margin-bottom: 5px;
    color: #aaa;
    font-size: 0.9em;
}

.input-field {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-color);
    font-size: 1em;
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(33, 150, 243, 0.5);
}

.input-field.small {
    width: auto;
    min-width: 80px;
    display: inline-block;
    margin-right: 10px;
}

select.input-field {
    cursor: pointer;
}

/* 信息框 */
.info-box {
    padding: 10px;
    background: var(--light-bg);
    border-left: 4px solid var(--info-color);
    border-radius: 5px;
    margin: 15px 0;
    font-size: 0.9em;
    line-height: 1.6;
}

/* 自定义命令 */
.custom-command {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 2px solid var(--border-color);
}

/* 日志面板 */
.log-panel {
    display: flex;
    flex-direction: column;
    height: 700px;
}

.log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.log-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 5px;
    color: #aaa;
    font-size: 0.9em;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    cursor: pointer;
}

.log-output {
    flex: 1;
    background: #0a0a0a;
    padding: 15px;
    border-radius: 5px;
    overflow-y: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    line-height: 1.6;
    border: 1px solid var(--border-color);
}

.log-output::-webkit-scrollbar {
    width: 10px;
}

.log-output::-webkit-scrollbar-track {
    background: var(--dark-bg);
    border-radius: 5px;
}

.log-output::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

.log-output::-webkit-scrollbar-thumb:hover {
    background: #1976D2;
}

/* 日志条目 */
.log-entry {
    margin-bottom: 10px;
    padding: 8px 12px;
    border-radius: 5px;
    border-left: 3px solid;
    animation: fadeIn 0.3s;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.log-entry.sent {
    background: rgba(33, 150, 243, 0.1);
    border-color: var(--primary-color);
}

.log-entry.received {
    background: rgba(76, 175, 80, 0.1);
    border-color: var(--success-color);
}

.log-entry.error {
    background: rgba(244, 67, 54, 0.1);
    border-color: var(--error-color);
}

.log-entry.info {
    background: rgba(255, 152, 0, 0.1);
    border-color: var(--warning-color);
}

.log-time {
    color: #666;
    font-size: 0.85em;
    margin-right: 10px;
}

.log-type {
    font-weight: bold;
    margin-right: 10px;
}

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

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

.log-entry.error .log-type {
    color: var(--error-color);
}

.log-entry.info .log-type {
    color: var(--warning-color);
}

.log-message {
    color: #ddd;
    word-wrap: break-word;
}

/* 统计信息 */
.stats {
    display: flex;
    justify-content: space-around;
    padding: 15px;
    background: var(--dark-bg);
    border-radius: 5px;
    margin-top: 15px;
    border: 1px solid var(--border-color);
}

.stat-item {
    text-align: center;
}

.stat-label {
    display: block;
    color: #aaa;
    font-size: 0.9em;
    margin-bottom: 5px;
}

.stat-value {
    display: block;
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary-color);
}

/* 设备信息面板 */
.device-info-panel {
    margin-bottom: 20px;
}

.device-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}

.device-info-item {
    padding: 15px;
    background: var(--dark-bg);
    border-radius: 5px;
    border-left: 3px solid var(--primary-color);
}

.device-info-item strong {
    display: block;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 0.9em;
}

.device-info-item span {
    color: #ddd;
    font-size: 1.1em;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 20px;
    background: var(--panel-bg);
    border-radius: 10px;
    color: #aaa;
    font-size: 0.9em;
}

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

footer a:hover {
    text-decoration: underline;
}

.warning {
    color: var(--warning-color);
    margin-top: 10px;
    font-size: 0.85em;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr;
    }

    .log-panel {
        height: 500px;
    }
}

@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    header h1 {
        font-size: 1.8em;
    }

    .status-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        margin-left: 0;
        width: 100%;
    }

    .tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .tab-btn {
        white-space: nowrap;
    }

    .device-info {
        grid-template-columns: 1fr;
    }

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

/* 加载动画 */
.loading {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 10px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* 提示信息 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 5px 10px;
    background: var(--dark-bg);
    color: white;
    border-radius: 5px;
    white-space: nowrap;
    font-size: 0.8em;
    z-index: 1000;
}