:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-panel: #1a2436;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --success: #22c55e;
    --border-color: #334155;
    --mobile-breakpoint: 768px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, #0a0f1d 100%);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
}

.app-container {
    display: flex;
    height: 100vh;
    gap: 1px;
    background: var(--border-color);
}

.left-panel, .center-panel, .right-panel {
    background: var(--bg-panel);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.left-panel {
    width: 350px;
    border-right: 1px solid var(--border-color);
}

.center-panel {
    flex: 1;
    border-right: 1px solid var(--border-color);
}

.right-panel {
    width: 400px;
}

.left-panel-content {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.config-section {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.panel-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.config-item {
    margin-bottom: 16px;
}

.config-label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--text-secondary);
    font-weight: 500;
}

.config-input, .config-select, .config-textarea {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: 'Courier New', monospace;
    resize: vertical;
}

.config-textarea {
    min-height: 80px;
    line-height: 1.4;
}

.config-label input[type="checkbox"] {
    margin-right: 8px;
    transform: scale(1.1);
}

/* 密钥文件输入组样式 */
.key-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-input {
    display: none;
}

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

.btn-secondary:hover {
    background: #2d3748;
    border-color: #475569;
}

.file-name {
    font-size: 12px;
    color: var(--text-muted);
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}


.btn {
    padding: 10px 16px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s;
    font-weight: 500;
    touch-action: manipulation;
}

.btn-primary { background: var(--accent-primary); color: white; }
.btn-primary:hover { background: #2563eb; }
.btn-danger { background: var(--danger); color: white; }
.btn-danger:hover { background: #dc2626; }
.btn-warning { background: var(--warning); color: white; }
.btn-warning:hover { background: #d97706; }
.btn-info { background: var(--accent-secondary); color: white; }
.btn-info:hover { background: #059669; }
.btn-success { background: var(--success); color: white; }
.btn-success:hover { background: #16a34a; }

.btn-small { padding: 6px 10px; font-size: 12px; }

.btn-group {
    display: flex;
    gap: 8px;
}

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

.status-indicator {
    margin-top: 20px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

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

.loader {
    width: 16px;
    height: 16px;
    border: 2px solid var(--text-secondary);
    border-top: 2px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.microphone-test {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: 6px;
    margin-top: 8px;
}

.test-controls {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.test-controls .btn {
    flex: 1;
    justify-content: center;
}

.test-status {
    font-size: 13px;
    color: var(--text-secondary);
    padding: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
}

.test-audio-player { margin-top: 8px; }

audio {
    width: 100%;
    border-radius: 4px;
}

.chat-header, .events-header {
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.audio-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.chat-messages, .events-list {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    scroll-behavior: smooth;
}

.message {
    margin-bottom: 16px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 8px;
    border-left: 3px solid transparent;
    transition: opacity 0.3s;
}

.message-user { border-left-color: var(--accent-primary); }
.message-ai { border-left-color: var(--accent-secondary); }
.message-system { border-left-color: var(--text-muted); opacity: 0.9; }
.message-subtitle {
    background: rgba(16, 185, 129, 0.1);
    border-left-color: var(--accent-secondary);
    font-style: italic;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.message-header span:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

.message-header span:last-child {
    font-size: 12px;
    color: var(--text-muted);
}

.message-status {
    font-size: 11px;
    color: var(--accent-secondary);
    font-weight: 500;
    margin-left: 8px;
}

.message-content {
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.chat-controls {
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
}

.audio-visualizer {
    height: 40px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
    padding: 4px;
}

.audio-wave {
    display: flex;
    align-items: flex-end;
    height: 100%;
    gap: 2px;
}

.wave-bar {
    flex: 1;
    background: var(--accent-primary);
    border-radius: 2px;
    opacity: 0.8;
    animation: wave-pulse 1.5s ease-in-out infinite;
}

.wave-bar:nth-child(2n) { animation-delay: 0.1s; }
.wave-bar:nth-child(3n) { animation-delay: 0.2s; }

@keyframes wave-pulse {
    0%, 100% { height: 20%; }
    50% { height: 80%; }
}

.event-item {
    margin-bottom: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: 6px;
    border-left: 3px solid var(--text-muted);
}

.event-item.incoming { border-left-color: var(--accent-secondary); }
.event-item.outgoing { border-left-color: var(--accent-primary); }
.event-item.error { border-left-color: var(--danger); background: rgba(239, 68, 68, 0.05); }
.event-item.system { border-left-color: var(--warning); background: rgba(245, 158, 11, 0.05); }

.event-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.event-header span:first-child {
    font-weight: 600;
    font-size: 14px;
}

.event-time { font-size: 12px; color: var(--text-muted); }

.event-type {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 4px;
    font-weight: 500;
}

.event-content {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 150px;
    overflow-y: auto;
}

.hidden { display: none !important; }

.scrollable::-webkit-scrollbar {
    width: 6px;
}

.scrollable::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

.scrollable::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 3px;
}

.scrollable::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 移动端面板切换控件 */
.mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    z-index: 1000;
    padding: 4px 0;
}

.mobile-nav-item {
    flex: 1;
    padding: 12px 4px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 11px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: all 0.2s;
}

.mobile-nav-item.active {
    color: var(--accent-primary);
    background: rgba(59, 130, 246, 0.1);
}

.mobile-nav-item i {
    font-size: 18px;
}

/* 响应式设计 - 平板 */
@media (max-width: 1200px) {
    .right-panel { width: 320px; }
    .left-panel { width: 320px; }
}

/* 响应式设计 - 手机 */
@media (max-width: 768px) {
    body {
        overflow: auto;
    }

    .app-container {
        flex-direction: column;
        height: auto;
        gap: 0;
    }

    .left-panel, .center-panel, .right-panel {
        width: 100% !important;
        height: 100vh;
        border: none;
        border-bottom: 1px solid var(--border-color);
        position: relative;
    }

    /* 隐藏非活动面板 */
    .panel-hidden {
        display: none !important;
    }

    /* 调整内边距 */
    .left-panel-content,
    .chat-messages,
    .events-list {
        padding: 16px;
    }

    .chat-header,
    .events-header {
        padding: 12px 16px;
        position: sticky;
        top: 0;
        z-index: 10;
    }

    /* 优化触摸目标 */
    .btn {
        min-height: 44px;
        font-size: 16px;
    }

    .btn-small {
        min-height: 36px;
        font-size: 14px;
    }

    .config-input,
    .config-select {
        font-size: 16px; /* 防止iOS缩放 */
        padding: 10px 12px;
    }

    /* 消息样式优化 */
    .message {
        margin-bottom: 12px;
        padding: 10px;
    }

    .message-content {
        font-size: 15px;
    }

    /* 事件日志优化 */
    .event-item {
        margin-bottom: 8px;
        padding: 10px;
    }

    .event-content {
        font-size: 13px;
        max-height: 100px;
    }

    /* 测试控件优化 */
    .test-controls {

/* 签名信息显示区域样式 */
.signature-info-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px;
    margin-top: 8px;
}

.signature-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.signature-info-textarea {
    width: 100%;
    min-height: 80px;
    padding: 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    color: var(--text-primary);
    resize: vertical;
    margin-bottom: 8px;
}

.signature-info-textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.signature-info-details {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.signature-info-details div {
    margin-bottom: 4px;
}

.signature-info-details strong {
    color: var(--text-primary);
    min-width: 60px;
    display: inline-block;
}

.signature-info-details span {
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

/* 测试控件优化 */
.test-controls {
        flex-direction: column;
    }

    .test-controls .btn {
        width: 100%;
    }

    /* 配置项间距优化 */
    .config-section {
        margin-bottom: 20px;
        padding-bottom: 12px;
    }

    .config-item {
        margin-bottom: 14px;
    }

    /* 音频可视化器高度调整 */
    .audio-visualizer {
        height: 32px;
    }

    /* 显示底部导航 */
    .mobile-nav {
        display: flex;
    }

    /* 底部预留空间 */
    .left-panel-content,
    .chat-messages,
    .events-list {
        padding-bottom: 80px;
    }

    /* 状态指示器固定 */
    .status-indicator {
        position: sticky;
        bottom: 60px;
        margin-top: 0;
        margin-bottom: 10px;
    }

    /* 聊天控件优化 */
    .chat-controls {
        padding: 12px 16px;
        position: sticky;
        bottom: 60px;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
    }
}


/* 小手机屏幕优化 */
@media (max-width: 480px) {
    .panel-title {
        font-size: 14px;
    }

    .message-header span:first-child,
    .event-header span:first-child {
        font-size: 13px;
    }

    .message-header span:last-child,
    .event-time {
        font-size: 11px;
    }

    .btn {
        padding: 8px 12px;
        font-size: 14px;
    }

    .config-label {
        font-size: 12px;
    }

    .audio-indicator {
        font-size: 11px;
    }
}
}