:root {
    --primary-color: #0f6cbf;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #fff;
    --gray-light: #e9ecef;
    --gray-dark: #495057;
    --font-family: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-family);
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.moove-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.moove-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-content {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.moove-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.moove-header nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.moove-header nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: opacity 0.3s;
}

.moove-header nav a:hover {
    opacity: 0.8;
}

.moove-content {
    flex: 1;
    padding: 2rem 0;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.speech-container {
    display: flex;
    gap: 2rem;
}

.speech-card {
    flex: 3;
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.card-header {
    padding: 1.5rem;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress-container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.progress-bar {
    height: 6px;
    background-color: var(--white);
    border-radius: 3px;
    width: 100px;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background-color: var(--success-color);
    border-radius: 3px;
}

.exercise-area {
    padding: 2rem;
}

.prompt {
    margin-bottom: 2rem;
}

.prompt h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.sentence {
    font-size: 1.5rem;
    font-weight: 500;
    margin: 1rem 0;
    color: var(--primary-color);
}

.translation {
    font-size: 1rem;
    color: var(--secondary-color);
    font-style: italic;
    padding: 0.5rem 0;
    border-top: 1px dashed var(--gray-light);
}

/* 新增录音可视化样式 */
.recording-visualizer {
    height: 100px;
    margin: 1.5rem 0;
    background-color: var(--light-color);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

#visualizer {
    width: 100%;
    height: 100%;
}

.timer {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    padding: 0.3rem 0.6rem;
    border-radius: 20px;
    font-size: 0.9rem;
}

.timer i {
    margin-right: 0.3rem;
}

.recording-controls {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

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

.btn-primary:hover {
    background-color: #0d5ea3;
}

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

.btn-secondary:hover {
    background-color: #5a6268;
}

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.feedback-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--light-color);
    border-radius: 8px;
}

.feedback-section h4 {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-color);
}

.pronunciation-score {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.stars {
    color: var(--warning-color);
}

.feedback-text {
    background-color: var(--white);
    padding: 1rem;
    border-radius: 4px;
    border-left: 4px solid var(--info-color);
    margin-bottom: 1rem;
}

.transcription {
    background-color: var(--white);
    padding: 1rem;
    border-radius: 4px;
    border-left: 4px solid var(--info-color);
}

.transcription h5 {
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tips-sidebar {
    flex: 1;
}

.tip-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    display: flex;
    gap: 1rem;
}

.tip-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.tip-content h4 {
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.moove-footer {
    background-color: var(--dark-color);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 2rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .speech-container {
        flex-direction: column;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .recording-controls {
        flex-direction: column;
    }
}