/* 메인 페이지 스타일 - 모던 리디자인 */

/* CSS 변수 - 색상 팔레트 */
:root {
    --primary: #5B21B6; /* 보라색 메인 */
    --primary-light: #7C3AED;
    --primary-dark: #4C1D95;
    --secondary: #EC4899; /* 핑크 포인트 */
    --accent: #06B6D4; /* 청록색 포인트 */
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-tertiary: #94A3B8;
    
    --border: #E2E8F0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

/* 폰트 import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* 기본 스타일 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-primary);
    background: var(--bg-secondary);
    line-height: 1.6;
}

/* 부드러운 스크롤 */
html {
    scroll-behavior: smooth;
}

/* 히어로 섹션 */
.hero-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
    overflow: hidden;
}

/* 배경 패턴 */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    opacity: 0.95;
    line-height: 1.5;
    font-weight: 400;
}

/* CTA 버튼 */
.cta-button {
    display: inline-flex;
    align-items: center;
    background: white;
    color: var(--primary);
    padding: 0.75rem 2rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-lg);
    text-decoration: none;
    gap: 0.5rem;
}

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

.cta-button:active {
    transform: translateY(0);
}

/* 아이콘 애니메이션 */
.cta-button::after {
    content: '↓';
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-5px);
    }
    60% {
        transform: translateY(-3px);
    }
}

/* 계획 섹션 */
.planning-section {
    padding: 2rem 1rem;
    min-height: 100vh;
}

.planning-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.planning-container h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
    font-weight: 700;
    letter-spacing: -0.01em;
}

/* 폼 섹션 */
.form-section {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.form-section:last-of-type {
    border-bottom: none;
    margin-bottom: 1rem;
}

.form-section h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* 아이콘 추가 */
.form-section h3::before {
    content: '📍';
    font-size: 1.2rem;
}

.form-section:nth-child(2) h3::before {
    content: '🗺️';
}

.form-section:nth-child(3) h3::before {
    content: '📅';
}

.form-section:nth-child(4) h3::before {
    content: '🌤️';
}

/* 위치 옵션 */
.location-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.location-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
}

.location-btn:hover {
    background: var(--primary-light);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.or-divider {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin: 0.5rem 0;
    position: relative;
}

.or-divider::before,
.or-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border);
}

.or-divider::before {
    left: 0;
}

.or-divider::after {
    right: 0;
}

.location-input {
    padding: 0.875rem 1rem;
    width: 100%;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: var(--bg-primary);
}

.location-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(91, 33, 182, 0.1);
}

.location-result {
    padding: 0.75rem;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 500;
}

/* 라디오/체크박스 카드 */
.destination-options,
.preference-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.radio-card,
.checkbox-card {
    position: relative;
}

.radio-card input,
.checkbox-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.card-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--bg-tertiary);
    border: 2px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    min-height: 80px;
}

.radio-card input:checked + .card-content,
.checkbox-card input:checked + .card-content {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: scale(1.02);
}

.card-content:hover {
    border-color: var(--primary-light);
    background: var(--bg-secondary);
}

.radio-card input:checked + .card-content:hover,
.checkbox-card input:checked + .card-content:hover {
    background: var(--primary-light);
}

.card-content .icon {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.card-content .text {
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.2;
}

.card-content .detail {
    font-size: 0.75rem;
    opacity: 0.8;
    margin-top: 0.125rem;
}

.checkbox-card input:checked + .card-content .detail {
    opacity: 0.9;
}

/* 날짜 입력 */
.date-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.date-group {
    display: flex;
    flex-direction: column;
}

.date-group label {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.date-group input[type="date"] {
    padding: 0.875rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    transition: all 0.2s ease;
    background: var(--bg-primary);
}

.date-group input[type="date"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(91, 33, 182, 0.1);
}

/* 시간대 선택 */
.timezone-selection {
    margin-top: 1rem;
}

.timezone-selection label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.timezone-selection select {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    background: var(--bg-primary);
    transition: all 0.2s ease;
    cursor: pointer;
}

.timezone-selection select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(91, 33, 182, 0.1);
}

/* 알림 메시지 */
.date-notice,
.timezone-notice,
.preference-notice {
    margin-top: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 구분선 */
.divider {
    grid-column: 1 / -1;
    height: 1px;
    background: var(--border);
    margin: 0.75rem 0;
}

/* 단독 선택 옵션 */
.checkbox-card.exclusive {
    grid-column: 1 / -1;
}

.checkbox-card.exclusive .card-content {
    background: var(--bg-secondary);
}

/* 제출 버튼 */
.form-actions {
    padding-top: 1rem;
}

.submit-button {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
}

.submit-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;
}

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

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

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    background: var(--text-tertiary);
    cursor: not-allowed;
    transform: none;
}

/* 로딩 스피너 */
.loading-spinner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.2);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.loading-spinner p {
    margin-top: 1.5rem;
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
}

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

/* 결과 섹션 */
.results-section {
    padding: 3rem 1rem;
    min-height: 100vh;
}

.results-container {
    max-width: 1200px;
    margin: 0 auto;
}

.results-container h2 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
    font-weight: 700;
}

.recommendations-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

/* 추천 카드 */
.recommendation-card {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.recommendation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.city-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--bg-tertiary);
    flex-wrap: wrap;
    gap: 0.5rem;
}

.city-header h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0;
    font-weight: 600;
}

.weather-score {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.875rem;
}

.distance-info {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.375rem 0.875rem;
    border-radius: 999px;
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
}

.distance-info.clickable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.distance-info.clickable:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

.weather-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.weather-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.weather-item .icon {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.weather-item .label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: 0.125rem;
}

.weather-item .value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.select-city-btn {
    width: 100%;
    padding: 0.875rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.select-city-btn:hover {
    background: #0891B2;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 반응형 - 태블릿 이상 */
@media (min-width: 768px) {
    .hero-section {
        padding: 3rem 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .planning-container {
        padding: 2.5rem;
    }
    
    .planning-container h2 {
        font-size: 2rem;
    }
    
    .form-section h3 {
        font-size: 1.25rem;
    }
    
    .destination-options {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .preference-options {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .location-btn {
        width: auto;
        min-width: 200px;
    }
    
    .location-options {
        flex-direction: row;
        align-items: center;
        justify-content: center;
    }
}

/* 가격 필터 스타일 */
.price-filter-section {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-primary);
}

.price-filter-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.optional-label {
    font-size: 0.813rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.price-filter-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #fef3c7;
    border: 1px solid #fcd34d;
    border-radius: var(--radius-md);
    padding: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: #92400e;
}

.price-filter-notice .icon {
    font-size: 1rem;
}

.price-inputs {
    margin-bottom: 1rem;
}

.price-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.price-range-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background: white;
    transition: all 0.2s ease;
}

.price-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.price-separator {
    color: var(--text-tertiary);
    font-weight: 500;
}

.currency {
    font-weight: 500;
    color: var(--text-secondary);
    margin-left: 0.5rem;
}

.price-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.price-preset {
    background: white;
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.price-preset:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary);
    color: var(--primary);
}

.price-preset.clear-preset {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* 모바일 최적화 */
@media (max-width: 400px) {
    .date-inputs {
        grid-template-columns: 1fr;
    }
    
    .destination-options,
    .preference-options {
        gap: 0.5rem;
    }
    
    .card-content {
        padding: 0.75rem;
        min-height: 70px;
    }
    
    .card-content .icon {
        font-size: 1.25rem;
    }
    
    .card-content .text {
        font-size: 0.813rem;
    }
    
    .price-range-inputs {
        flex-wrap: wrap;
    }
    
    .price-input {
        min-width: 100px;
    }
}

/* 페이드인 애니메이션 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-section {
    animation: fadeIn 0.5s ease;
}

/* 지도 모달 */
.map-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.map-container {
    background: white;
    border-radius: var(--radius-xl);
    width: 90%;
    max-width: 900px;
    height: 80vh;
    max-height: 600px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 항공료 정보 스타일 */
.flight-price-info {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(251, 191, 36, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(251, 191, 36, 0.2);
}

.flight-price-info h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #d97706;
    margin-bottom: 0.5rem;
}

.price-details {
    font-size: 0.85rem;
    color: #92400e;
}

.total-price {
    font-size: 1.1rem;
    font-weight: 700;
    color: #d97706;
    margin-bottom: 0.3rem;
}

.price-breakdown {
    font-size: 0.8rem;
    color: #92400e;
    opacity: 0.8;
}

.price-notice {
    font-size: 0.75rem;
    color: #92400e;
    opacity: 0.6;
    margin-top: 0.3rem;
}

.flight-route-info {
    background: rgba(251, 191, 36, 0.1);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
}

.route-label {
    font-weight: 600;
    color: #92400e;
}

.route-airports {
    color: #d97706;
    font-weight: 500;
}