/* Silent Voice - 数据采集界面样式 */

:root {
    --primary-color: #4F46E5;
    --primary-hover: #4338CA;
    --success-color: #10B981;
    --danger-color: #EF4444;
    --warning-color: #F59E0B;
    --bg-color: #F3F4F6;
    --card-bg: #FFFFFF;
    --text-color: #1F2937;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

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

/* 头部 */
.header {
    text-align: center;
    padding: 30px 0;
}

.header h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.header .subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* 卡片 */
.card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.card h2 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

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

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

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

.btn-success:hover:not(:disabled) {
    background: #059669;
}

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

.btn-danger:hover:not(:disabled) {
    background: #DC2626;
}

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

.btn-secondary:hover:not(:disabled) {
    background: #D1D5DB;
}

.btn-record {
    background: var(--danger-color);
    color: white;
    font-size: 16px;
    padding: 12px 24px;
}

.btn-record:hover:not(:disabled) {
    background: #DC2626;
    transform: scale(1.02);
}

.btn-stop {
    background: var(--text-secondary);
    color: white;
    font-size: 16px;
    padding: 12px 24px;
}

/* 连接面板 */
.connection-status {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
}

.status-indicator .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

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

.dot.connecting {
    background: var(--warning-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.connection-actions {
    display: flex;
    gap: 10px;
}

/* 采集控制 */
.collection-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sensor-toggle {
    display: flex;
    gap: 10px;
}

.recording-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.label-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.label-selector select,
.label-selector input {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
}

.label-selector select {
    min-width: 120px;
}

.label-selector input {
    width: 180px;
}

.recording-actions {
    display: flex;
    gap: 10px;
}

.recording-info {
    margin-top: 16px;
}

.recording-status {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 16px;
    background: #FEE2E2;
    border-radius: 8px;
    color: #991B1B;
}

.recording-status.hidden {
    display: none;
}

.recording-dot {
    width: 10px;
    height: 10px;
    background: var(--danger-color);
    border-radius: 50%;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* 图表 */
.chart-container {
    height: 200px;
    margin-bottom: 20px;
}

.data-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 12px;
    background: var(--bg-color);
    border-radius: 8px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.stat-value {
    font-size: 14px;
    font-weight: 600;
    font-family: 'Monaco', 'Menlo', monospace;
}

/* 数据表格 */
.data-actions {
    margin-bottom: 16px;
}

.data-table-container {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background: var(--bg-color);
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
}

.data-table tr:hover {
    background: #F9FAFB;
}

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

.data-summary {
    display: flex;
    gap: 24px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* 词汇表 */
.vocab-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.vocab-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    background: var(--bg-color);
    border-radius: 20px;
    font-size: 14px;
}

.vocab-item .remove-btn {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 12px;
    cursor: pointer;
    opacity: 0.7;
}

.vocab-item .remove-btn:hover {
    opacity: 1;
}

.vocab-actions {
    display: flex;
    gap: 10px;
}

.vocab-actions input {
    flex: 1;
    max-width: 300px;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
}

/* Toast 通知 */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

.toast.success {
    background: var(--success-color);
}

.toast.error {
    background: var(--danger-color);
}

.toast.info {
    background: var(--primary-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 1.8rem;
    }
    
    .connection-status {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .recording-controls {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .label-selector {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }
    
    .label-selector select,
    .label-selector input {
        width: 100%;
    }
}