/* 다크 테마 기반 미니멀 디자인 */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #e74c3c;
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --light-gray: #ecf0f1;
    --dark-gray: #7f8c8d;
    --white: #ffffff;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --border-radius: 12px;
    --vh: 1vh;
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: var(--white);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 420px;
    margin: 0 auto;
    padding: 20px;
    min-height: calc(var(--vh, 1vh) * 100);
    display: flex;
    flex-direction: column;
}

.page {
    display: flex;
    flex-direction: column;
    min-height: calc(var(--vh, 1vh) * 100);
}

.hidden {
    display: none !important;
}

/* [광고] 광고 컨테이너 스타일 */
.ad-container {
    margin: 16px 0;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    border: 1px solid rgba(231, 76, 60, 0.2);
    text-align: center;
}

.ad-container.top {
    margin-bottom: 20px;
}

.ad-container.mid {
    margin: 24px 0;
}

.ad-container.result {
    margin: 24px 0;
}

/* 광고 배너 */
.ad-banner {
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: rgba(255,255,255,0.1);
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 시작 페이지 */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.header-section {
    text-align: center;
    margin-bottom: 10px;
}

.title-badge {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

.year-label, .new-label {
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: 600;
}

.year-label {
    background: var(--accent-color);
    color: var(--white);
}

.new-label {
    background: var(--success-color);
    color: var(--white);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.main-title {
    font-size: 2.2em;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 15px;
    color: var(--white);
}

.highlight-text {
    background: linear-gradient(45deg, var(--accent-color), var(--warning-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    font-size: 1.1em;
    color: var(--light-gray);
    opacity: 0.9;
}

/* 정보 카드 */
.info-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
}

.info-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-2px);
    background: rgba(255,255,255,0.15);
}

.card-icon {
    font-size: 2em;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.card-content h3 {
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--white);
}

.card-content p {
    font-size: 0.9em;
    color: var(--light-gray);
    opacity: 0.8;
}

/* 테스트 정보 */
.test-info {
    background: rgba(255,255,255,0.05);
    border-radius: var(--border-radius);
    padding: 25px;
    text-align: center;
}

.test-details {
    display: flex;
    justify-content: space-around;
    margin-bottom: 25px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.detail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    font-size: 0.9em;
    color: var(--light-gray);
}

.detail-icon {
    font-size: 1.5em;
}

/* 시작 버튼 */
.start-button {
    background: linear-gradient(45deg, var(--accent-color), #c0392b);
    border: none;
    border-radius: var(--border-radius);
    padding: 18px 30px;
    font-size: 1.1em;
    font-weight: 700;
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    width: 100%;
}

.start-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(231, 76, 60, 0.4);
}

.button-icon {
    font-size: 1.2em;
    transition: transform 0.3s ease;
}

.start-button:hover .button-icon {
    transform: translateX(5px);
}

/* 공지사항 */
.notice-section {
    background: rgba(255,255,255,0.05);
    border-radius: var(--border-radius);
    padding: 20px;
    border-left: 4px solid var(--success-color);
}

.notice-title {
    font-size: 1.1em;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--success-color);
}

.notice-list {
    list-style: none;
    color: var(--light-gray);
}

.notice-list li {
    margin: 8px 0;
    font-size: 0.95em;
    line-height: 1.5;
}

/* 질문 페이지 */
.question-header {
    margin-bottom: 30px;
}

.progress-section {
    margin-bottom: 25px;
}

.progress-text {
    text-align: center;
    font-size: 1.1em;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--light-gray);
}

.progress-bar-container {
    background: rgba(255,255,255,0.1);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-color), var(--warning-color));
    height: 100%;
    width: 0%;
    transition: width 0.5s ease;
    border-radius: 4px;
}

.question-title {
    font-size: 1.4em;
    font-weight: 700;
    text-align: center;
    color: var(--white);
    line-height: 1.4;
}

/* 질문 옵션 */
.question-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-item {
    background: rgba(255,255,255,0.08);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    padding: 18px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1em;
    font-weight: 500;
    color: var(--white);
    text-align: left;
}

.option-item:hover {
    background: rgba(255,255,255,0.12);
    border-color: var(--accent-color);
    transform: translateX(5px);
}

.option-item.selected {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
    transform: scale(1.02);
}

/* 모달 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-content {
    background: var(--primary-color);
    border-radius: var(--border-radius);
    padding: 30px;
    max-width: 400px;
    width: 100%;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: var(--shadow);
}

.analysis-header h3 {
    font-size: 1.3em;
    margin-bottom: 20px;
    color: var(--white);
}

.loading-animation {
    margin: 20px 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.1);
    border-left: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.analysis-steps {
    text-align: left;
    margin: 20px 0;
}

.step {
    padding: 8px 0;
    color: var(--dark-gray);
    font-size: 0.9em;
}

.step.active {
    color: var(--success-color);
    font-weight: 600;
}

.countdown-section p {
    margin-bottom: 10px;
    color: var(--light-gray);
}

.countdown-timer {
    font-size: 2em;
    font-weight: 700;
    color: var(--accent-color);
}

.popup-ad {
    margin-top: 20px;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: rgba(255,255,255,0.05);
    min-height: 100px;
}

/* 결과 페이지 */
.result-header {
    text-align: center;
    margin-bottom: 30px;
}

.result-badge {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5em;
    color: var(--white);
}

.result-title {
    font-size: 1.8em;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--white);
}

.result-subtitle {
    font-size: 1.1em;
    color: var(--light-gray);
    opacity: 0.9;
}

.result-content {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-bottom: 30px;
}

/* 액션 버튼 */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.primary-btn, .kakao-share, .restart-btn {
    padding: 15px 25px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.primary-btn {
    background: var(--accent-color);
    color: var(--white);
}

.kakao-share {
    background: #FEE500;
    color: #3C1E1E;
}

.restart-btn {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.2);
}

.primary-btn:hover, .kakao-share:hover, .restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 반응형 디자인 */
@media (max-width: 480px) {
    .container {
        padding: 15px;
    }
    
    .main-title {
        font-size: 1.9em;
    }
    
    .info-cards {
        gap: 12px;
    }
    
    .info-card {
        padding: 15px;
    }
    
    .test-details {
        flex-direction: column;
        gap: 15px;
    }
    
    .detail-item {
        flex-direction: row;
        gap: 10px;
    }
}

@media (max-width: 360px) {
    .main-title {
        font-size: 1.7em;
    }
    
    .container {
        padding: 12px;
    }
}