/* 설문 목록 모듈 스타일 */
.survey-list-module {
    --survey-primary: #AA20FF;
    --survey-primary-light: rgba(170, 32, 255, 0.1);
    --survey-primary-dark: #8A1ACC;
}

.survey-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.survey-section .section-header {
    text-align: center;
    margin-bottom: 60px;
}

.survey-section .section-header .subtitle {
    color: var(--survey-primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.9em;
    margin-bottom: 10px;
    display: block;
}

.survey-section .section-header h2 {
    font-size: 2.5em;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.survey-section .section-header p {
    font-size: 1.1em;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.survey-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.survey-card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
}

.survey-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--survey-primary) 0%, var(--survey-primary-dark) 100%);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.survey-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    border-color: var(--survey-primary-light);
}

.survey-card:hover::before {
    transform: scaleX(1);
}

.survey-card-header {
    margin-bottom: 20px;
}

.survey-title {
    font-size: 1.4em;
    font-weight: 600;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.survey-description {
    color: #666;
    line-height: 1.5;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.survey-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9em;
    color: #888;
}

.survey-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    color: #666;
}

.stat-item i {
    color: var(--survey-primary);
    width: 16px;
}

.survey-progress {
    margin-bottom: 20px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--survey-primary) 0%, var(--survey-primary-dark) 100%);
    border-radius: 4px;
    transition: width 0.6s ease;
}

.progress-text {
    font-size: 0.8em;
    color: #666;
    text-align: right;
}

.survey-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.btn-participate {
    flex: 1;
    padding: 12px 20px;
    background: var(--survey-primary);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-participate:hover {
    background: var(--survey-primary-dark);
    transform: translateY(-2px);
    color: white;
    box-shadow: 0 5px 15px rgba(170, 32, 255, 0.3);
}

.btn-share {
    padding: 12px;
    background: #f8f9fa;
    color: #666;
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-share:hover {
    background: #e9ecef;
    color: #333;
    transform: translateY(-2px);
}

.section-footer {
    text-align: center;
    margin-top: 40px;
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--survey-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(170, 32, 255, 0.2);
}

.btn-more:hover {
    background: var(--survey-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(170, 32, 255, 0.3);
    color: white;
}

.btn-more i {
    transition: transform 0.3s ease;
}

.btn-more:hover i {
    transform: translateX(5px);
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: #666;
}

.empty-state i {
    font-size: 4em;
    color: #ddd;
    margin-bottom: 20px;
    display: block;
}

.empty-state h3 {
    font-size: 1.5em;
    margin-bottom: 10px;
    color: #333;
}

.empty-state p {
    font-size: 1em;
    line-height: 1.5;
}

/* 모달 스타일 */
.survey-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.survey-modal.show {
    display: block;
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 600px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: slideUp 0.4s ease-out;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    color: #aaa;
    background: none;
    border: none;
    cursor: pointer;
    line-height: 1;
    z-index: 1;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: #333;
}

.modal-header {
    padding: 30px 30px 20px;
    border-bottom: 1px solid #f0f0f0;
}

.modal-title {
    font-size: 1.5em;
    font-weight: 600;
    color: #333;
    margin: 0 0 10px 0;
    line-height: 1.3;
}

.modal-meta {
    display: flex;
    gap: 20px;
    font-size: 0.9em;
    color: #666;
}

.modal-body {
    padding: 30px;
}

.modal-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 30px;
}

.modal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.modal-stats .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 12px;
    gap: 8px;
}

.modal-stats .stat-item i {
    font-size: 1.5em;
    color: var(--survey-primary);
}

.stat-label {
    font-size: 0.9em;
    color: #666;
}

.stat-value {
    font-size: 1.2em;
    font-weight: 600;
    color: #333;
}

.progress-section {
    margin-bottom: 20px;
}

.modal-footer {
    padding: 20px 30px 30px;
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.btn-cancel {
    padding: 12px 24px;
    background: #f8f9fa;
    color: #666;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-cancel:hover {
    background: #e9ecef;
    color: #333;
}

.modal-footer .btn-participate {
    padding: 12px 24px;
    border-radius: 8px;
    flex: none;
}

/* 반응형 */
@media (max-width: 768px) {
    .survey-section {
        padding: 60px 0;
    }
    
    .survey-section .section-header h2 {
        font-size: 2em;
    }
    
    .survey-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .survey-card {
        padding: 25px;
    }
    
    .survey-stats {
        flex-direction: column;
        gap: 10px;
    }
    
    .survey-actions {
        flex-direction: column;
    }
    
    .modal-content {
        width: 95%;
        margin: 20px;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 20px;
    }
    
    .modal-stats {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .modal-footer .btn-participate,
    .btn-cancel {
        width: 100%;
        text-align: center;
    }
}

/* 애니메이션 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translate(-50%, -40%);
    }
    to {
        opacity: 1;
        transform: translate(-50%, -50%);
    }
}

.survey-card {
    animation: fadeInUp 0.6s ease forwards;
}

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

.survey-card:nth-child(odd) {
    animation-delay: 0.2s;
}

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

/* 호버 효과 강화 */
.survey-card:hover .survey-title {
    color: var(--survey-primary);
}

.survey-card:hover .stat-item i {
    transform: scale(1.1);
}

.survey-card:hover .progress-fill {
    box-shadow: 0 0 10px rgba(170, 32, 255, 0.3);
}