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

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1.2em;
    opacity: 0.9;
}

.test-container {
    background: white;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.question-container h2 {
    text-align: center;
    font-size: 2em;
    margin-bottom: 20px;
    color: #333;
}

.question-container p {
    text-align: center;
    font-size: 1.1em;
    color: #666;
    margin-bottom: 40px;
}

.start-section {
    text-align: center;
}

.start-btn {
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 1.3em;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.start-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.btn-icon {
    font-size: 1.2em;
}

.question {
    text-align: center;
    animation: fadeIn 0.5s ease-in;
}

.question h3 {
    font-size: 1.8em;
    margin-bottom: 30px;
    color: #333;
}

.answers {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 500px;
    margin: 0 auto;
}

.answer-btn {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 15px 25px;
    font-size: 1.1em;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.answer-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.answer-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.answer-btn:hover:before {
    left: 100%;
}

/* 분석 팝업 스타일 */
.analysis-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.analysis-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
}

.analysis-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    min-width: 400px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.analysis-header h3 {
    font-size: 2em;
    margin-bottom: 10px;
    color: #333;
}

.analysis-header p {
    color: #666;
    margin-bottom: 30px;
}

.loading-container {
    margin: 30px 0;
}

.fuel-pump {
    width: 80px;
    height: 100px;
    margin: 0 auto 20px;
    position: relative;
    animation: pump 1.5s ease-in-out infinite;
}

.pump-handle {
    width: 60px;
    height: 80px;
    background: linear-gradient(45deg, #FF6B6B, #4ECDC4);
    border-radius: 10px;
    position: relative;
}

.pump-handle:before {
    content: '';
    position: absolute;
    top: 50%;
    right: -20px;
    width: 30px;
    height: 10px;
    background: #333;
    border-radius: 5px;
}

.fuel-drop {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 12px;
    background: #4ECDC4;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    animation: drop 1s ease-in-out infinite;
}

@keyframes pump {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes drop {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(20px); }
}

.loading-text {
    font-size: 1.1em;
    color: #666;
    margin-bottom: 15px;
}

.countdown {
    font-size: 1.2em;
    font-weight: bold;
    color: #FF6B6B;
}

.popup-ad {
    margin-top: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
}

.result {
    text-align: center;
    animation: fadeIn 0.5s ease-in;
}

.result h2 {
    font-size: 2.5em;
    margin-bottom: 30px;
    color: #333;
}

.card-recommendation {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 20px;
    margin-bottom: 30px;
    text-align: left;
}

.recommended-card h3 {
    font-size: 2em;
    margin-bottom: 20px;
    text-align: center;
}

.card-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.feature-item {
    background: rgba(255,255,255,0.2);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
}

.feature-icon {
    font-size: 2em;
    margin-bottom: 10px;
}

.card-benefits {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 15px;
    text-align: center;
}

.benefit-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.benefit-tag {
    background: rgba(255,255,255,0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
}

.detailed-info {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    text-align: left;
}

.detailed-info h3 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

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

.info-section h4 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.3em;
}

.info-section ul {
    list-style: none;
    padding-left: 0;
}

.info-section li {
    padding: 8px 0;
    border-bottom: 1px solid #eee;
    position: relative;
    padding-left: 25px;
}

.info-section li:before {
    content: '⛽';
    position: absolute;
    left: 0;
    color: #667eea;
}

.useful-sites {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
}

.useful-sites h3 {
    text-align: center;
    margin-bottom: 25px;
    color: #333;
}

.site-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 15px;
}

.site-link {
    display: flex;
    align-items: center;
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.site-link:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    text-decoration: none;
    color: #333;
}

.site-icon {
    font-size: 2.5em;
    margin-right: 15px;
    min-width: 60px;
    text-align: center;
}

.site-info h4 {
    font-size: 1.2em;
    margin-bottom: 5px;
    color: #333;
}

.site-info p {
    color: #666;
    font-size: 0.9em;
    margin: 0;
}

.share-section {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    padding: 15px 30px;
    border: none;
    border-radius: 25px;
    font-size: 1.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: bold;
}

.share-btn.kakao {
    background: #FEE500;
    color: #333;
}

.share-btn.restart {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

.share-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.ad-container {
    text-align: center;
    margin: 20px 0;
    padding: 20px;
}

/* Sticky 광고 스타일 */
.sticky-ad {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: white;
    border-top: 1px solid #ddd;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    padding: 10px;
    max-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.sticky-ad.hidden {
    transform: translateY(100%);
}

.sticky-ad-close {
    position: absolute;
    top: 5px;
    right: 10px;
    font-size: 20px;
    font-weight: bold;
    color: #666;
    cursor: pointer;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 50%;
    background: #f0f0f0;
    transition: all 0.2s ease;
}

.sticky-ad-close:hover {
    background: #e0e0e0;
    color: #333;
}

.sticky-ad-content {
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.sticky-ad-content .adsbygoogle {
    max-height: 80px;
}

/* 모바일에서 sticky 광고 조정 */
@media (max-width: 768px) {
    .sticky-ad {
        padding: 8px;
        max-height: 80px;
    }
    
    .sticky-ad-close {
        top: 3px;
        right: 8px;
        font-size: 18px;
    }
    
    .sticky-ad-content .adsbygoogle {
        max-height: 60px;
    }
}

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

/* 반응형 디자인 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .test-container {
        padding: 20px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    .question h3 {
        font-size: 1.4em;
    }
    
    .analysis-content {
        min-width: 300px;
        padding: 20px;
    }
    
    .site-links {
        grid-template-columns: 1fr;
    }
    
    .share-section {
        flex-direction: column;
        align-items: center;
    }
    
    .share-btn {
        width: 100%;
        max-width: 300px;
    }
}

/* 광고 컨테이너 스타일 (새로 추가) */
.ad-container {
    width: 100%;
    margin: 20px 0;
    padding: 10px;
    text-align: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.ad-container.top {
    margin: 0 0 20px 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.ad-container.mid {
    margin: 30px 0;
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.1), rgba(255, 152, 0, 0.1));
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.ad-container.result {
    margin: 20px 0;
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(25, 135, 84, 0.1));
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.ad-container ins {
    display: block !important;
    min-height: 100px;
}

.ad-container.loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 모바일 광고 최적화 (새로 추가) */
@media (max-width: 768px) {
    .ad-container {
        margin: 15px 0;
        padding: 8px;
        border-radius: 8px;
    }
    
    .ad-container ins {
        min-height: 80px;
    }
}