/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #F5A623;
    --primary-dark: #E09612;
    --primary-light: #FFD93D;
    --bg-dark: #1a1a2e;
    --bg-darker: #16162a;
    --text-light: #ffffff;
    --text-muted: #a0a0b0;
    --accent: #00d4aa;
}

body {
    font-family: 'Noto Sans KR', sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Header */
header {
    background: linear-gradient(180deg, var(--bg-darker) 0%, transparent 100%);
    padding: 1rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-light);
    background: rgba(245, 166, 35, 0.2);
}

.header-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.status-dot {
    width: 10px;
    height: 10px;
    background: var(--accent);
    border-radius: 50%;
    animation: blink 1.5s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 2rem 2rem;
}

.map-container {
    display: flex;
    gap: 2rem;
    align-items: center;
    max-width: 1400px;
}

.map-wrapper {
    position: relative;
    background: #ffffff;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 
        0 25px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    overflow: hidden;
}

.map-image {
    display: block;
    width: 800px;
    height: auto;
    position: relative;
    z-index: 1;
}

/* Train Styles */
.train {
    position: absolute;
    width: 35px;
    height: auto;
    z-index: 10;
    pointer-events: none;
}

.train img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

/* 6대 열차 - 15초 간격 */
.train-1 { animation: trainRoute 90s linear infinite; }
.train-2 { animation: trainRoute 90s linear infinite; animation-delay: -15s; }
.train-3 { animation: trainRoute 90s linear infinite; animation-delay: -30s; }
.train-4 { animation: trainRoute 90s linear infinite; animation-delay: -45s; }
.train-5 { animation: trainRoute 90s linear infinite; animation-delay: -60s; }
.train-6 { animation: trainRoute 90s linear infinite; animation-delay: -75s; }

/*
   ========================================================================
   수인분당선 경로
   ========================================================================
   
   1행 (top: 114px): 왕십리 → ... → 보정
   곡선 (5좌표): 보정 → 구성
   2행 (top: 188px): 구성 → 신갈 → ... → 달월
   곡선 (5좌표): 달월 → 월곶
   3행 (top: 270px): 월곶 → 소래포구 → ... → 인천 (종점)
   ========================================================================
*/

@keyframes trainRoute {
    /* ===== 1행: 왕십리 → 보정 (오른쪽, top=114px) ===== */

    /* 왕십리 */
    0% { left: 116px; top: 114px; transform: scaleX(1); opacity: 1; }
    0.7% { left: 116px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 서울숲 */
    1.4% { left: 145px; top: 114px; transform: scaleX(1); opacity: 1; }
    2.1% { left: 145px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 압구정로데오 */
    2.8% { left: 170.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    3.5% { left: 170.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 강남구청 */
    4.2% { left: 196px; top: 114px; transform: scaleX(1); opacity: 1; }
    4.9% { left: 196px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 선정릉 */
    5.6% { left: 221.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    6.3% { left: 221.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 선릉 */
    7% { left: 247px; top: 114px; transform: scaleX(1); opacity: 1; }
    7.7% { left: 247px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 한티 */
    8.4% { left: 272.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    9.1% { left: 272.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 도곡 */
    9.8% { left: 298px; top: 114px; transform: scaleX(1); opacity: 1; }
    10.5% { left: 298px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 구룡 */
    11.2% { left: 323.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    11.9% { left: 323.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 개포동 */
    12.6% { left: 349px; top: 114px; transform: scaleX(1); opacity: 1; }
    13.3% { left: 349px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 대모산입구 */
    14% { left: 374.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    14.7% { left: 374.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 수서 */
    15.4% { left: 400px; top: 114px; transform: scaleX(1); opacity: 1; }
    16.1% { left: 400px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 복정 */
    16.8% { left: 425.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    17.5% { left: 425.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 가천대 */
    18.2% { left: 451px; top: 114px; transform: scaleX(1); opacity: 1; }
    18.9% { left: 451px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 태평 */
    19.6% { left: 476.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    20.3% { left: 476.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 모란 */
    21% { left: 502px; top: 114px; transform: scaleX(1); opacity: 1; }
    21.7% { left: 502px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 야탑 */
    22.4% { left: 527.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    23.1% { left: 527.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 이매 */
    23.8% { left: 553px; top: 114px; transform: scaleX(1); opacity: 1; }
    24.5% { left: 553px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 서현 */
    25.2% { left: 578.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    25.9% { left: 578.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 수내 */
    26.6% { left: 604px; top: 114px; transform: scaleX(1); opacity: 1; }
    27.3% { left: 604px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 정자 */
    28% { left: 629.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    28.7% { left: 629.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 미금 */
    29.4% { left: 655px; top: 114px; transform: scaleX(1); opacity: 1; }
    30.1% { left: 655px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 오리 */
    30.8% { left: 680.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    31.5% { left: 680.5px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 죽전 */
    32.2% { left: 706px; top: 114px; transform: scaleX(1); opacity: 1; }
    32.9% { left: 706px; top: 114px; transform: scaleX(1); opacity: 1; }

    /* 보정 (1행 끝) */
    33.6% { left: 731.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    34.3% { left: 731.5px; top: 114px; transform: scaleX(1); opacity: 1; }
    
    /* ===== 곡선: 보정 → 구성 (5좌표, 부드러운 회전) ===== */
    34.5% { left: 745px; top: 120px; transform: scaleX(1) rotate(20deg); opacity: 1; }
    34.7% { left: 755px; top: 135px; transform: scaleX(1) rotate(45deg); opacity: 1; }
    34.9% { left: 760px; top: 151px; transform: scaleX(1) rotate(90deg); opacity: 1; }
    35.1% { left: 755px; top: 167px; transform: scaleX(1) rotate(135deg); opacity: 1; }
    35.3% { left: 745px; top: 182px; transform: scaleX(1) rotate(160deg); opacity: 1; }

    /* ===== 2행: 구성 → 달월 (왼쪽, top=188px, rotate(180deg)) ===== */

    /* 구성 */
    35.7% { left: 731.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    36.4% { left: 731.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 신갈 */
    37.1% { left: 706px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    37.8% { left: 706px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 기흥 */
    38.5% { left: 680.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    39.2% { left: 680.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 상갈 */
    39.9% { left: 655px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    40.6% { left: 655px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 청명 */
    41.3% { left: 629.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    42% { left: 629.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 영통 */
    42.7% { left: 604px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    43.4% { left: 604px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 망포 */
    44.1% { left: 578.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    44.8% { left: 578.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 수원시청 */
    45.5% { left: 553px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    46.2% { left: 553px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 매탄권선 */
    46.9% { left: 527.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    47.6% { left: 527.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 수원 */
    48.3% { left: 502px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    49% { left: 502px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 매교 */
    49.7% { left: 476.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    50.4% { left: 476.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 오목천 */
    51.1% { left: 451px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    51.8% { left: 451px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 고색 */
    52.5% { left: 425.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    53.2% { left: 425.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 어천 */
    53.9% { left: 400px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    54.6% { left: 400px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 야목 */
    55.3% { left: 374.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    56% { left: 374.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 사리 */
    56.7% { left: 349px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    57.4% { left: 349px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 한대앞 */
    58.1% { left: 323.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    58.8% { left: 323.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 중앙 */
    59.5% { left: 298px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    60.2% { left: 298px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 고잔 */
    60.9% { left: 272.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    61.6% { left: 272.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 초지 */
    62.3% { left: 247px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    63% { left: 247px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 안산 */
    63.7% { left: 221.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    64.4% { left: 221.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 신길온천 */
    65.1% { left: 196px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    65.8% { left: 196px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 정왕 */
    66.5% { left: 170.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    67.2% { left: 170.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 오이도 */
    67.9% { left: 145px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    68.6% { left: 145px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }

    /* 달월 (2행 끝) */
    69.3% { left: 119.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    70% { left: 119.5px; top: 188px; transform: scaleX(1) rotate(180deg); opacity: 1; }
    
    /* ===== 곡선: 달월 → 월곶 (5좌표, 부드러운 회전) ===== */
    70.2% { left: 105px; top: 196px; transform: scaleX(1) rotate(160deg); opacity: 1; }
    70.4% { left: 95px; top: 211px; transform: scaleX(1) rotate(135deg); opacity: 1; }
    70.6% { left: 90px; top: 229px; transform: scaleX(1) rotate(90deg); opacity: 1; }
    70.8% { left: 95px; top: 247px; transform: scaleX(1) rotate(45deg); opacity: 1; }
    71% { left: 105px; top: 262px; transform: scaleX(1) rotate(20deg); opacity: 1; }

    /* ===== 3행: 월곶 → 인천 (오른쪽, top=270px) ===== */

    /* 월곶 */
    71.4% { left: 119.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    72.1% { left: 119.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    
    /* 소래포구 */
    72.8% { left: 145px; top: 270px; transform: scaleX(1); opacity: 1; }
    73.5% { left: 145px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 인천논현 */
    74.2% { left: 170.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    74.9% { left: 170.5px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 호구포 */
    75.6% { left: 196px; top: 270px; transform: scaleX(1); opacity: 1; }
    76.3% { left: 196px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 남동인더스파크 */
    77% { left: 221.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    77.7% { left: 221.5px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 원인재 */
    78.4% { left: 247px; top: 270px; transform: scaleX(1); opacity: 1; }
    79.1% { left: 247px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 연수 */
    79.8% { left: 272.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    80.5% { left: 272.5px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 송도 */
    81.2% { left: 298px; top: 270px; transform: scaleX(1); opacity: 1; }
    81.9% { left: 298px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 인하대 */
    82.6% { left: 323.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    83.3% { left: 323.5px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 숭의 */
    84% { left: 349px; top: 270px; transform: scaleX(1); opacity: 1; }
    84.7% { left: 349px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 신포 */
    85.4% { left: 374.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    86.1% { left: 374.5px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 학익 */
    86.8% { left: 400px; top: 270px; transform: scaleX(1); opacity: 1; }
    87.5% { left: 400px; top: 270px; transform: scaleX(1); opacity: 1; }

    /* 인천 (종점) */
    88.2% { left: 425.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    89.6% { left: 425.5px; top: 270px; transform: scaleX(1); opacity: 1; }
    
    /* ===== 종점 → 출발점 (숨김 처리) ===== */
    89.7% { left: 425.5px; top: 270px; transform: scaleX(1); opacity: 0; }
    99.9% { left: 116px; top: 114px; transform: scaleX(1); opacity: 0; }
    100% { left: 116px; top: 114px; transform: scaleX(1); opacity: 1; }
}

/* Info Panel */
.info-panel {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 1.5rem;
    width: 200px;
    backdrop-filter: blur(10px);
}

.info-panel h3 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-size: 0.95rem;
    font-weight: 700;
}

.color-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.color-badge::before {
    content: '';
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 3px;
}

/* Footer */
footer {
    background: var(--bg-darker);
    padding: 2rem;
    margin-top: auto;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-section h4 {
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.footer-section p {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-bottom {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    padding-top: 1.5rem;
    margin-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .map-container {
        flex-direction: column;
    }
    
    .map-image {
        width: 100%;
        max-width: 800px;
    }
    
    .info-panel {
        width: 100%;
        max-width: 800px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
    }
}

@media (max-width: 768px) {
    header {
        padding: 0.75rem 1rem;
    }
    
    nav {
        display: none;
    }
    
    .map-wrapper {
        padding: 10px;
    }
    
    .train {
        width: 25px;
    }
}