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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
    background: #f5f5f5;
    min-height: 100vh;
    padding: 0;
    color: #1a1a1a;
}

.container {
    max-width: 100%;
    margin: 0 auto;
    background: white;
    overflow: hidden;
    height: 100vh;
    border: 1px solid #e0e0e0;
}

/* 메인 레이아웃: 왼쪽 패널 + 오른쪽 지도 */
.main-layout {
    display: flex;
    height: 100%;
    overflow: hidden;
}

/* 왼쪽 패널 */
.left-panel {
    width: 380px;
    display: flex;
    flex-direction: column;
    background: #fafafa;
    border-right: 1px solid #e0e0e0;
    overflow-y: auto;
    flex-shrink: 0;
}

/* 헤더 (왼쪽 패널 내부) */
header {
    background: #1a1a1a;
    color: white;
    padding: 20px 20px;
    flex-shrink: 0;
    border-bottom: 1px solid #333;
}

header h1 {
    font-size: 1.3em;
    margin-bottom: 6px;
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.subtitle {
    font-size: 0.8em;
    opacity: 0.7;
    line-height: 1.4;
    font-weight: 400;
}

.left-panel h3 {
    color: #1a1a1a;
    font-size: 0.7em;
    margin-bottom: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* 테마 선택 */
.controls {
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
    background: white;
    flex-shrink: 0;
}

.theme-selector {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.theme-btn {
    padding: 6px 10px;
    border: 1px solid #d0d0d0;
    background: white;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.15s;
    font-weight: 500;
    font-size: 0.75em;
    color: #4a4a4a;
}

.theme-btn:hover {
    background: #f5f5f5;
    border-color: #1a1a1a;
}

.theme-btn.active {
    background: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
}

/* 타임라인 */
.timeline-panel {
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
    background: white;
    flex-shrink: 0;
}

/* 시대 탭 */
.period-tabs {
    display: flex;
    gap: 3px;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.period-tab {
    padding: 4px 9px;
    border: 1px solid #d0d0d0;
    background: white;
    border-radius: 2px;
    cursor: pointer;
    font-size: 0.72em;
    font-weight: 500;
    color: #4a4a4a;
    transition: all 0.15s;
    white-space: nowrap;
}

.period-tab:hover {
    border-color: #1a1a1a;
    background: #f5f5f5;
}

.period-tab.active {
    background: #1a1a1a;
    color: white;
    border-color: #1a1a1a;
}

/* 슬라이더 + ◀▶ 버튼 행 */
.slider-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-btn {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    border: 1px solid #d0d0d0;
    background: white;
    border-radius: 2px;
    cursor: pointer;
    font-size: 0.75em;
    color: #4a4a4a;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    padding: 0;
}

.nav-btn:hover {
    border-color: #1a1a1a;
    background: #1a1a1a;
    color: white;
}

.nav-btn:active {
    transform: scale(0.95);
}

.timeline-unit-selector {
    display: none; /* 월/일 기능 임시 비활성화 */
}

.timeline-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.timeline-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.current-year {
    font-size: 1em;
    font-weight: 600;
    color: #1a1a1a;
    letter-spacing: -0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.event-count {
    font-size: 0.7em;
    color: #666;
    font-weight: 500;
}

.year-input-container {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

#yearInput {
    width: 70px;
    padding: 5px 6px;
    border: 1px solid #d0d0d0;
    background: white;
    font-size: 0.75em;
    font-family: inherit;
    color: #1a1a1a;
    transition: border-color 0.15s;
}

#yearInput:focus {
    outline: none;
    border-color: #1a1a1a;
}

#yearInput::placeholder {
    color: #999;
    font-size: 0.85em;
}

#yearGoBtn {
    padding: 5px 10px;
    border: 1px solid #1a1a1a;
    background: #1a1a1a;
    color: white;
    font-size: 0.7em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

#yearGoBtn:hover {
    background: white;
    color: #1a1a1a;
}

#yearGoBtn:active {
    transform: scale(0.98);
}

.timeline-container {
    position: relative;
}

#yearSlider {
    flex: 1;
    width: 100%;
    height: 2px;
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    background: #d0d0d0;
    cursor: pointer;
}

#yearSlider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 0;
    background: #1a1a1a;
    border: none;
    cursor: pointer;
}

#yearSlider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 0;
    background: #1a1a1a;
    border: none;
    cursor: pointer;
}

.timeline-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
    font-size: 0.75em;
    color: #999;
    font-weight: 500;
}

.timeline-labels .current-label {
    color: #1a1a1a;
    font-weight: 700;
}

/* 이벤트 목록 */
.event-list {
    padding: 16px 20px;
    flex: 2;
    overflow-y: auto;
}

#eventContainer {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.no-events {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 0.85em;
}

.event-card {
    background: white;
    padding: 12px;
    border: 1px solid #e0e0e0;
    border-radius: 0;
    transition: all 0.15s;
    cursor: pointer;
}

.event-card:hover {
    background: #fafafa;
    border-color: #1a1a1a;
}

.event-theme {
    display: inline-block;
    padding: 3px 8px;
    border-radius: 0;
    font-size: 0.7em;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.theme-정치 { background: #f0f0f0; color: #1a1a1a; }
.theme-경제 { background: #f0f0f0; color: #1a1a1a; }
.theme-사회 { background: #f0f0f0; color: #1a1a1a; }
.theme-문화 { background: #f0f0f0; color: #1a1a1a; }
.theme-전쟁 { background: #1a1a1a; color: white; }
.theme-인물 { background: #f0f0f0; color: #1a1a1a; }

.event-title {
    font-size: 1em;
    font-weight: 600;
    margin-bottom: 8px;
    color: #1a1a1a;
    line-height: 1.4;
}

.event-description {
    color: #666;
    line-height: 1.6;
    font-size: 0.85em;
}

/* 이벤트 카드 헤더 (테마 + 국가·군주) */
.event-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin-bottom: 6px;
}

.event-theme {
    margin-bottom: 0;
}

.event-state {
    font-size: 0.72em;
    color: #888;
    font-weight: 500;
    white-space: nowrap;
}

/* 이벤트 시대 */
.event-period {
    font-size: 0.72em;
    color: #aaa;
    margin-bottom: 6px;
    font-weight: 400;
}

/* 이벤트 관련 장소 */
.event-locations {
    margin-top: 6px;
    font-size: 0.75em;
    color: #888;
    line-height: 1.5;
}

/* 오른쪽 패널: 지도 */
.right-panel {
    flex: 1;
    position: relative;
    background: #fafafa;
}

#map {
    width: 100%;
    height: 100%;
}

/* Leaflet 경로 */
.leaflet-interactive {
    cursor: pointer;
}

.leaflet-interactive:hover {
    opacity: 1 !important;
}

/* Leaflet 팝업 */
.leaflet-popup-content-wrapper {
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.popup-content {
    min-width: 200px;
}

.popup-date {
    font-size: 0.75em;
    color: #999;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.popup-content h4 {
    margin: 0 0 8px 0;
    color: #1a1a1a;
    font-size: 1em;
    font-weight: 600;
    line-height: 1.3;
}

.popup-content p {
    margin: 4px 0;
    color: #666;
    font-size: 0.85em;
    line-height: 1.5;
}

.popup-content p strong {
    color: #1a1a1a;
}

/* 팝업 메타 뱃지 (시대/국가/군주) */
.popup-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 6px 0;
}

.popup-badge {
    display: inline-block;
    padding: 2px 7px;
    background: #f0f0f0;
    border-radius: 2px;
    font-size: 0.72em;
    color: #4a4a4a;
    font-weight: 500;
}

.badge-ruler {
    background: #1a1a1a;
    color: white;
}

/* 팝업 테마 뱃지 */
.popup-theme {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.72em;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin: 4px 0 6px;
    border-radius: 2px;
    background: #f0f0f0;
    color: #1a1a1a;
}

/* 팝업 설명 */
.popup-desc {
    margin: 4px 0 8px;
    color: #555;
    font-size: 0.85em;
    line-height: 1.5;
}

/* 팝업 관련 장소 */
.popup-locations {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e8e8e8;
    font-size: 0.8em;
    color: #555;
}

.popup-locations strong {
    color: #1a1a1a;
    display: block;
    margin-bottom: 4px;
}

.popup-locations ul {
    margin: 0;
    padding-left: 14px;
    color: #666;
}

.popup-locations li {
    margin: 2px 0;
}

.popup-modern-name {
    color: #aaa;
    font-size: 0.88em;
    margin-left: 2px;
}

.place-modern-name {
    color: #888;
    font-size: 0.82em;
    margin: 2px 0 6px 0;
}

.card-modern-name {
    color: #aaa;
    font-size: 0.88em;
    margin-left: 2px;
}

/* 경계 토글 버튼 */
.boundary-toggle {
    border: 1px solid #ccc !important;
    background: #f5f5f5 !important;
    color: #666 !important;
}

.boundary-toggle.active {
    background: #1a1a1a !important;
    color: #fff !important;
    border-color: #1a1a1a !important;
}

/* 경로 포인트 팝업 */
.route-point-popup h4 {
    margin: 0 0 8px 0;
    color: #1a1a1a;
    font-size: 1em;
    font-weight: 600;
}

.route-point-popup p {
    margin: 4px 0;
    font-size: 0.85em;
    line-height: 1.5;
}

.route-point-popup .note {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid #e0e0e0;
    color: #666;
    font-style: italic;
}

/* 스크롤바 스타일링 */
.left-panel::-webkit-scrollbar,
.event-list::-webkit-scrollbar {
    width: 6px;
}

.left-panel::-webkit-scrollbar-track,
.event-list::-webkit-scrollbar-track {
    background: transparent;
}

.left-panel::-webkit-scrollbar-thumb,
.event-list::-webkit-scrollbar-thumb {
    background: #d0d0d0;
    border-radius: 0;
}

.left-panel::-webkit-scrollbar-thumb:hover,
.event-list::-webkit-scrollbar-thumb:hover {
    background: #b0b0b0;
}

/* 반응형 */
@media (max-width: 1024px) {
    .left-panel {
        width: 340px;
    }
}

@media (max-width: 768px) {
    .main-layout {
        flex-direction: column;
    }

    .left-panel {
        width: 100%;
        max-height: 50vh;
    }

    .right-panel {
        height: 50vh;
    }
}