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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 40px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

.card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.view {
    animation: fadeIn 0.3s ease-in;
}

.hidden {
    display: none !important;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.progress-bar {
    background: #e0e0e0;
    height: 8px;
    border-radius: 4px;
    margin-bottom: 10px;
    overflow: hidden;
}

.progress-fill {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    height: 100%;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    color: white;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

#question-text {
    font-size: 1.3rem;
    margin-bottom: 30px;
    line-height: 1.6;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.option {
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
}

.option:hover {
    border-color: #667eea;
    background: #f8f9ff;
}

.option.selected {
    border-color: #667eea;
    background: #667eea;
    color: white;
}

.navigation {
    display: flex;
    gap: 15px;
    justify-content: space-between;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-secondary {
    background: #f0f0f0;
    color: #666;
}

.btn-secondary:hover {
    background: #e0e0e0;
}

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

.error-message {
    color: #e74c3c;
    text-align: center;
    margin-top: 15px;
    font-size: 0.9rem;
}

.result-score {
    text-align: center;
    padding: 30px;
    background: #f8f9ff;
    border-radius: 12px;
    margin-bottom: 30px;
}

.result-score p {
    font-size: 1.2rem;
    margin: 10px 0;
}

.result-score span {
    font-weight: bold;
    color: #667eea;
    font-size: 1.5rem;
}

.result-description,
.result-recommendations,
.result-resources {
    margin-bottom: 30px;
}

.result-description h3,
.result-recommendations h3,
.result-resources h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.result-description p {
    line-height: 1.8;
    color: #555;
}

#recommendations-list,
#resources-list {
    list-style: none;
    padding-left: 0;
}

#recommendations-list li,
#resources-list li {
    padding: 10px 0;
    padding-left: 25px;
    position: relative;
    line-height: 1.6;
    color: #555;
}

#recommendations-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

#resources-list li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

footer {
    text-align: center;
    color: white;
    margin-top: 40px;
    opacity: 0.8;
    font-size: 0.9rem;
}

footer .disclaimer {
    font-size: 0.8rem;
    margin-top: 10px;
    line-height: 1.6;
    opacity: 0.9;
}

@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 25px;
    }

    #question-text {
        font-size: 1.1rem;
    }

    .navigation {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}