/* 통계 페이지 스타일 */

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

.stats-header {
    background: linear-gradient(135deg, #AA20FF 0%, #8A1ACC 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: center;
}

.stats-header h1 {
    margin: 0 0 10px 0;
    font-size: 2.2em;
}

.stats-header p {
    margin: 0;
    opacity: 0.9;
}

.stats-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    text-align: center;
    border-left: 4px solid #AA20FF;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.stat-number {
    font-size: 2.5em;
    font-weight: 700;
    color: #AA20FF;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    color: #666;
    font-size: 0.9em;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-change {
    font-size: 0.8em;
    margin-top: 5px;
}

.stat-change.positive {
    color: #28a745;
}

.stat-change.negative {
    color: #dc3545;
}

.chart-section {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e9ecef;
}

.chart-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #333;
    margin: 0;
}

.chart-controls {
    display: flex;
    gap: 10px;
}

.chart-btn {
    padding: 6px 12px;
    border: 1px solid #ddd;
    background: white;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.8em;
    transition: all 0.3s ease;
}

.chart-btn.active,
.chart-btn:hover {
    background: #AA20FF;
    color: white;
    border-color: #AA20FF;
}

.chart-container {
    position: relative;
    height: 400px;
    margin-bottom: 20px;
}

.questions-stats {
    display: grid;
    gap: 30px;
}

.question-stat {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.question-header {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #e9ecef;
}

.question-number {
    display: inline-block;
    width: 30px;
    height: 30px;
    background: #AA20FF;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    font-weight: bold;
    font-size: 0.9em;
    margin-right: 15px;
}

.question-title {
    font-size: 1.2em;
    font-weight: 600;
    color: #333;
    display: inline;
}

.question-type {
    display: inline-block;
    padding: 3px 8px;
    background: #e9ecef;
    color: #666;
    border-radius: 12px;
    font-size: 0.7em;
    font-weight: 500;
    text-transform: uppercase;
    margin-left: 10px;
}

.question-stats-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 30px;
    align-items: start;
}

.answer-stats {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.answer-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #fff;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.answer-item:hover {
    background: #e9ecef;
}

.answer-bar {
    flex: 1;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.answer-fill {
    height: 100%;
    background: linear-gradient(90deg, #AA20FF 0%, #8A1ACC 100%);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.answer-label {
    min-width: 150px;
    font-weight: 500;
    color: #333;
}

.answer-count {
    min-width: 80px;
    text-align: right;
    font-weight: 600;
    color: #666;
}

.answer-percentage {
    min-width: 50px;
    text-align: right;
    font-size: 0.9em;
    color: #AA20FF;
    font-weight: 600;
}

.question-chart {
    height: 250px;
}

.text-responses {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
}

.text-response {
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
    line-height: 1.5;
}

.text-response:last-child {
    border-bottom: none;
}

.text-response-meta {
    font-size: 0.8em;
    color: #666;
    margin-bottom: 8px;
}

.text-response-content {
    color: #333;
}

.export-section {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
}

.export-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.export-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: #AA20FF;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.export-btn:hover {
    background: #8A1ACC;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(170, 32, 255, 0.3);
    color: white;
}

.export-btn.secondary {
    background: #6c757d;
}

.export-btn.secondary:hover {
    background: #545b62;
}

/* 반응형 */
@media (max-width: 768px) {
    .statistics-container {
        padding: 10px;
    }
    
    .stats-overview {
        grid-template-columns: 1fr;
    }
    
    .question-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .chart-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .export-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .export-btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
    
    .answer-item {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    
    .answer-label,
    .answer-count,
    .answer-percentage {
        min-width: auto;
        text-align: left;
    }
}

/* 애니메이션 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stat-card,
.chart-section,
.question-stat {
    animation: fadeInUp 0.6s ease forwards;
}

.stat-card:nth-child(even) {
    animation-delay: 0.1s;
}

.question-stat:nth-child(even) {
    animation-delay: 0.2s;
}