:root {
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --neutral-color: #64748b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 10px 25px rgba(0, 0, 0, 0.2);
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    --gradient-medical: linear-gradient(135deg, #06b6d4 0%, #0891b2 50%, #0e7490 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-warning: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

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

body {
    font-family: 'Segoe UI', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--background-color);
    min-height: 100vh;
    overflow-x: hidden;
}

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

/* 페이지 공통 */
.page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 0;
    position: relative;
}

.page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(16, 185, 129, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hidden {
    display: none !important;
}

/* 광고 컨테이너 */
.ad-container {
    width: 100%;
    text-align: center;
    margin: 20px 0;
    position: relative;
    z-index: 10;
}

.ad-container.top {
    margin: 0 0 20px 0;
    padding: 10px 0;
}

.ad-container.bottom {
    margin: 40px 0 0 0;
    padding: 20px 0;
}

.ad-container.popup {
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

/* 시작 페이지 */
.header-section {
    text-align: center;
    margin-bottom: 50px;
}

.medical-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
    background: var(--gradient-medical);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-heavy);
    position: relative;
    animation: pulse-medical 2s infinite;
}

.medical-icon::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid rgba(6, 182, 212, 0.3);
    animation: ripple-medical 2s infinite;
}

.cross-symbol {
    font-size: 48px;
    color: white;
    font-weight: bold;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

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

@keyframes ripple-medical {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

.main-title {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.info-badges {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.badge {
    background: var(--gradient-success);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-light);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* 기능 그리드 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.feature-card {
    background: var(--surface-color);
    padding: 30px;
    border-radius: 20px;
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s ease;
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* 시작 버튼 */
.start-button {
    background: var(--gradient-primary);
    color: white;
    border: none;
    padding: 20px 50px;
    font-size: 1.3rem;
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin: 0 auto;
    display: block;
    min-width: 300px;
}

.start-button::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 ease;
}

.start-button:hover::before {
    left: 100%;
}

.start-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

.start-button:active {
    transform: translateY(-1px);
}

.button-text {
    position: relative;
    z-index: 1;
}

/* 공지사항 */
.notice-section {
    margin-top: 50px;
}

.notice-box {
    background: var(--surface-color);
    border: 2px solid var(--warning-color);
    border-radius: 15px;
    padding: 25px;
    max-width: 600px;
    margin: 0 auto;
    box-shadow: var(--shadow-light);
}

.notice-box h4 {
    color: var(--warning-color);
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 700;
}

.notice-box ul {
    list-style: none;
    padding-left: 0;
}

.notice-box li {
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* 질문 페이지 */
.progress-section {
    text-align: center;
    margin-bottom: 40px;
}

.progress-bar {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    margin: 0 auto 15px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    width: 0%;
    transition: width 0.8s ease;
    border-radius: 4px;
}

.progress-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.question-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.question-header {
    margin-bottom: 40px;
}

.question-header h2 {
    font-size: 2.2rem;
    color: var(--text-primary);
    margin-bottom: 15px;
    font-weight: 700;
}

.question-header p {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.answers-grid {
    display: grid;
    gap: 15px;
    max-width: 600px;
    margin: 0 auto;
}

.answer-option {
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    padding: 20px;
    border-radius: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.answer-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.3s ease;
}

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

.answer-option:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.answer-option.selected {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary-color);
    transform: scale(1.02);
}

/* 모달 */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: var(--surface-color);
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
    position: relative;
}

.modal-content.large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.modal-header h2 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 700;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

/* 분석 모달 */
.analysis-header {
    text-align: center;
    margin-bottom: 40px;
}

.analysis-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.analysis-header h2 {
    font-size: 1.8rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 700;
}

.analysis-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.analysis-steps {
    margin-bottom: 40px;
}

.step-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.step-item:last-child {
    border-bottom: none;
}

.step-item.active {
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
}

.step-check {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-weight: bold;
    transition: all 0.3s ease;
}

.step-text {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 500;
}

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

.timer-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-medium);
}

.timer-display {
    font-size: 2rem;
    color: white;
    font-weight: bold;
}

/* 결과 페이지 */
.result-header {
    text-align: center;
    margin-bottom: 50px;
}

.result-icon {
    font-size: 5rem;
    margin-bottom: 20px;
    display: block;
}

.result-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-weight: 800;
}

.result-header p {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.result-content {
    max-width: 800px;
    margin: 0 auto;
}

.result-section {
    background: var(--surface-color);
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.result-section h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 액션 버튼들 */
.action-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    max-width: 800px;
    margin: 40px auto 0;
}

.action-btn {
    padding: 15px 25px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.action-btn.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-light);
}

.action-btn.secondary {
    background: var(--gradient-success);
    color: white;
    box-shadow: var(--shadow-light);
}

.action-btn.tertiary {
    background: var(--gradient-warning);
    color: white;
    box-shadow: var(--shadow-light);
}

.action-btn.quaternary {
    background: var(--surface-color);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

/* 가이드 모달 */
.guide-content {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 10px;
}

.guide-section {
    margin-bottom: 30px;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
}

.guide-section:last-child {
    border-bottom: none;
}

.guide-section h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 20px;
    font-weight: 700;
}

.checklist {
    display: grid;
    gap: 10px;
}

.checklist label {
    display: flex;
    align-items: center;
    padding: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.checklist label:hover {
    background: var(--background-color);
}

.checklist input[type="checkbox"] {
    margin-right: 12px;
    transform: scale(1.2);
}

.income-table {
    background: var(--background-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-light);
}

.table-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    gap: 10px;
}

.table-row.header {
    background: var(--gradient-primary);
    color: white;
    font-weight: 700;
}

.table-row:last-child {
    border-bottom: none;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: var(--background-color);
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.benefit-icon {
    font-size: 2rem;
}

.benefit-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 5px;
    font-weight: 600;
}

.benefit-item p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.contact-info {
    display: grid;
    gap: 20px;
}

.contact-item {
    padding: 20px;
    background: var(--background-color);
    border-radius: 10px;
    box-shadow: var(--shadow-light);
}

.contact-item strong {
    display: block;
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-secondary);
    margin-bottom: 5px;
}

/* 반응형 */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 25px;
    }
    
    .start-button {
        padding: 18px 40px;
        font-size: 1.1rem;
        min-width: 250px;
    }
    
    .question-header h2 {
        font-size: 1.8rem;
    }
    
    .modal-content {
        padding: 30px 20px;
    }
    
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .table-row {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .main-title {
        font-size: 1.8rem;
    }
    
    .medical-icon {
        width: 100px;
        height: 100px;
    }
    
    .cross-symbol {
        font-size: 40px;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .start-button {
        padding: 15px 30px;
        font-size: 1rem;
        min-width: 200px;
    }
    
    .result-icon {
        font-size: 4rem;
    }
    
    .result-header h1 {
        font-size: 2rem;
    }
}