/* ============================================
   나의 인간관계 유형 테스트 - CSS
   ============================================ */

/* 전역 리셋 및 기본 설정 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 컬러 팔레트 */
    --primary-color: #6C63FF;
    --primary-dark: #5549E0;
    --secondary-color: #FF6B9D;
    --success-color: #4CAF50;
    --warning-color: #FFB84D;
    --bg-color: #F8F9FA;
    --card-bg: #FFFFFF;
    --text-primary: #2D3436;
    --text-secondary: #636E72;
    --border-color: #DFE6E9;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    
    /* 타이포그래피 */
    --font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* 간격 */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-xxl: 48px;
    
    /* 애니메이션 */
    --transition-speed: 0.3s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
}

/* 다크모드 대응 (시스템 설정 감지) */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-color: #1A1A2E;
        --card-bg: #16213E;
        --text-primary: #EAEAEA;
        --text-secondary: #B2B2B2;
        --border-color: #2D3748;
        --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
}

/* 기본 body 스타일 */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--text-primary);
    background: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 메인 컨테이너 */
.container {
    flex: 1;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* ============================================
   화면 전환 시스템
   ============================================ */
.screen {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--transition-speed) var(--transition-easing),
                transform var(--transition-speed) var(--transition-easing);
}

.screen.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: fadeInUp 0.5s var(--transition-easing);
}

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

/* ============================================
   시작 화면
   ============================================ */
.content-wrapper {
    text-align: center;
    padding: var(--spacing-lg);
}

.emoji-header {
    margin-bottom: var(--spacing-lg);
    animation: bounce 2s ease-in-out infinite;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* 이미지 스타일 추가 */
.header-image {
    width: 120px;
    height: 120px;
    object-fit: contain;
    display: block;
}

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

.main-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.info-box {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 15px;
    color: var(--text-secondary);
}

.info-icon {
    font-size: 20px;
}

/* ============================================
   버튼 스타일
   ============================================ */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    font-family: var(--font-family);
    text-align: center;
    width: 100%;
    max-width: 320px;
    box-shadow: var(--shadow);
}

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

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

/* ============================================
   테스트 진행 화면
   ============================================ */
#test-screen {
    padding-top: var(--spacing-xl);
}

/* 진행바 */
.progress-container {
    position: relative;
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 100px;
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 100px;
    width: 0%;
    transition: width 0.4s var(--transition-easing);
    position: relative;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.progress-text {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: var(--spacing-sm);
}

/* 질문 영역 */
.question-container {
    background: var(--card-bg);
    border-radius: 20px;
    padding: var(--spacing-xl);
    box-shadow: var(--shadow);
}

.question-text {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
    word-break: keep-all;
}

.answers-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.answer-btn {
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 16px;
    padding: 20px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    text-align: left;
    font-family: var(--font-family);
    line-height: 1.5;
    word-break: keep-all;
}

.answer-btn:hover {
    border-color: var(--primary-color);
    background: var(--card-bg);
    transform: translateX(4px);
    box-shadow: var(--shadow);
}

.answer-btn:active {
    transform: scale(0.98);
}

.answer-btn.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* ============================================
   결과 화면
   ============================================ */
#result-screen .content-wrapper {
    padding: var(--spacing-md);
}

.result-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 20px;
    color: white;
    box-shadow: var(--shadow);
}

.result-emoji {
    font-size: 80px;
    margin-bottom: var(--spacing-md);
    animation: scaleIn 0.5s var(--transition-easing);
}

@keyframes scaleIn {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

.result-type {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.result-summary {
    font-size: 18px;
    font-weight: 500;
    opacity: 0.95;
}

/* 결과 섹션 */
.result-section {
    background: var(--card-bg);
    border-radius: 16px;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow);
    animation: slideInUp 0.5s var(--transition-easing);
    animation-fill-mode: both;
}

.result-section:nth-child(2) { animation-delay: 0.1s; }
.result-section:nth-child(3) { animation-delay: 0.2s; }
.result-section:nth-child(4) { animation-delay: 0.3s; }
.result-section:nth-child(5) { animation-delay: 0.4s; }

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

.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding-left: 20px;
    margin-bottom: var(--spacing-sm);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 20px;
}

.survival-skill {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 15px;
}

/* 궁합 매칭 박스 */
.compatibility-box {
    border-radius: 12px;
    padding: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.good-match {
    background: rgba(76, 175, 80, 0.1);
    border: 2px solid var(--success-color);
}

.challenging-match {
    background: rgba(255, 184, 77, 0.1);
    border: 2px solid var(--warning-color);
}

.match-type {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.match-reason {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 액션 버튼 */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0;
}

.action-buttons .btn {
    max-width: 100%;
}

.share-guide {
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: var(--spacing-lg);
    line-height: 1.6;
}

/* ============================================
   푸터
   ============================================ */
.footer {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

.footer-text {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ============================================
   반응형 디자인 (태블릿 이상)
   ============================================ */
@media (min-width: 768px) {
    .container {
        padding: var(--spacing-xl);
    }

    .header-image {
        width: 150px;
        height: 150px;
    }
    
    .main-title {
        font-size: 40px;
    }
    
    .subtitle {
        font-size: 20px;
    }
    
    .question-text {
        font-size: 24px;
    }
    
    .answer-btn {
        font-size: 17px;
        padding: 24px;
    }
    
    .action-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .action-buttons .btn {
        max-width: 280px;
    }
}

/* ============================================
   데스크톱 최적화
   ============================================ */
@media (min-width: 1024px) {
    .container {
        max-width: 680px;
    }

    .header-image {
        width: 680px;
        height: 280px;
    }
    
    .result-emoji {
        font-size: 100px;
    }
}

/* ============================================
   접근성 개선
   ============================================ */
/* 포커스 스타일 */
button:focus-visible,
.btn:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* 모션 감소 설정 존중 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   로딩 및 인터랙션 피드백
   ============================================ */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* 터치 디바이스 최적화 */
@media (hover: none) and (pointer: coarse) {
    .btn,
    .answer-btn {
        min-height: 48px; /* 터치 타겟 최소 크기 */
    }
}

/* ============================================
   프린트 스타일
   ============================================ */
@media print {
    .btn,
    .action-buttons,
    .footer {
        display: none;
    }
    
    body {
        background: white;
    }
    
    .result-section {
        page-break-inside: avoid;
    }
}