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

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

.survey-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

.header { text-align: center; margin-bottom: 20px; }
.header h1 { color: white; font-size: 24px; }
.subtitle { color: rgba(255,255,255,0.85); font-size: 15px; margin-top: 6px; }

/* Progress Bar */
.progress-bar {
    background: rgba(255,255,255,0.3);
    border-radius: 20px;
    height: 28px;
    position: relative;
    margin-bottom: 20px;
    overflow: hidden;
}
.progress-fill {
    background: linear-gradient(90deg, #4ade80, #22c55e);
    height: 100%;
    border-radius: 20px;
    transition: width 0.4s ease;
}
.progress-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: 700;
    font-size: 13px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Treasure Card */
.treasure-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    margin-bottom: 20px;
    text-align: center;
}
.treasure-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    background: #f5f5f5;
}
.treasure-name {
    font-size: 18px;
    font-weight: 700;
    padding: 12px 16px 4px;
    color: #333;
}
.treasure-museum {
    font-size: 13px;
    color: #999;
    padding: 0 16px 14px;
}

.question-text {
    color: white;
    text-align: center;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
}

/* Options */
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
.option-btn {
    background: white;
    border: 3px solid transparent;
    border-radius: 14px;
    padding: 16px 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.option-btn:hover { transform: translateY(-3px); box-shadow: 0 6px 18px rgba(0,0,0,0.15); }
.option-btn:active { transform: translateY(0); }
.option-emoji { font-size: 32px; }
.option-text { font-size: 16px; font-weight: 700; color: #333; }

/* Feedback Overlay */
.feedback-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
}
.feedback-content {
    background: white;
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    max-width: 350px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.feedback-icon { font-size: 48px; margin-bottom: 10px; }
.feedback-text { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feedback-tip { font-size: 14px; color: #667eea; margin-bottom: 6px; }
.feedback-detail { font-size: 13px; color: #666; line-height: 1.5; }

/* Results */
.result {
    background: rgba(255,255,255,0.95);
    border-radius: 20px;
    padding: 30px 24px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.result-emoji { font-size: 64px; text-align: center; }
.result-title { font-size: 20px; font-weight: 700; text-align: center; margin: 10px 0 20px; color: #333; }

.score-big {
    font-size: 56px;
    font-weight: 800;
    text-align: center;
    color: #667eea;
}
.score-slash { font-size: 28px; color: #999; }
.score-label { text-align: center; color: #999; font-size: 14px; margin-bottom: 24px; }

/* Comparison */
.comparison-title {
    font-size: 16px;
    font-weight: 700;
    color: #333;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid #f0f0f0;
}
.comparison-grid { display: flex; flex-direction: column; gap: 16px; margin-bottom: 24px; }
.comparison-item { }
.comparison-type { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.comparison-bars { display: flex; flex-direction: column; gap: 4px; }
.comparison-bar { display: flex; align-items: center; gap: 8px; }
.bar-label { width: 30px; font-size: 12px; color: #999; text-align: right; }
.bar-track { flex: 1; height: 16px; background: #f0f0f0; border-radius: 8px; overflow: hidden; }
.bar-fill { height: 100%; border-radius: 8px; min-width: 2px; transition: width 0.5s; }
.bar-mine { background: linear-gradient(90deg, #667eea, #764ba2); }
.bar-crowd { background: linear-gradient(90deg, #fbbf24, #f59e0b); }
.bar-pct { width: 35px; font-size: 13px; font-weight: 600; color: #666; }

/* Buttons */
.result-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, #667eea, #764ba2); color: white; box-shadow: 0 4px 12px rgba(102,126,234,0.4); }
.btn-secondary { background: white; color: #667eea; border: 2px solid #667eea; }

@media (max-width: 400px) {
    .treasure-image { height: 180px; }
    .option-emoji { font-size: 26px; }
    .option-text { font-size: 14px; }
    .score-big { font-size: 44px; }
}