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

/* display:flex 등을 지정한 요소도 hidden 속성이 항상 이기도록
   (author 스타일이 UA 의 [hidden]{display:none} 을 덮어쓰는 문제 방지) */
[hidden] {
    display: none !important;
}

html,
body {
    height: 100%;
    font-family: 'Roboto', sans-serif;
    background-color: #f4f6f8;
}

.container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh; /* 모바일 주소창을 제외한 실제 뷰포트 */
}

.banner {
    background: linear-gradient(90deg, #1e3c72, #2a5298);
    color: #fff;
    padding: 12px 20px;
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.banner-home {
    color: inherit;
    text-decoration: none;
}

/* 로그인 프로필 칩 (auth.js) */
.profile-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.92);
    color: #1c2b3a;
    border-radius: 999px;
    padding: 4px 10px 4px 5px;
    font-size: 0.8rem;
    font-weight: 500;
}

.profile-chip img {
    width: 24px;
    height: 24px;
    border-radius: 50%;
}

.profile-chip button {
    border: none;
    background: none;
    color: #a33;
    font-size: 0.72rem;
    cursor: pointer;
    padding: 2px 4px;
}

.banner h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.banner-tld {
    font-weight: 300;
    opacity: 0.75;
}

.content {
    display: flex;
    flex: 1 1 auto;
    min-height: 0;
}

/* ---------- left panel ---------- */

.left-panel {
    flex: 0 0 260px;
    background-color: #ffffff;
    border-right: 1px solid #dde3ea;
    padding: 16px;
    overflow-y: auto;
}

.stylish-button {
    background: linear-gradient(90deg, #2a5298, #4a7bd0);
    border-radius: 8px;
    text-align: center;
    transition: filter 0.15s ease;
}

.stylish-button:hover {
    filter: brightness(1.1);
}

.upload-label {
    display: block;
    padding: 12px 10px;
    color: #fff;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
}

.kml-button {
    margin-top: 10px;
}

/* line color mode */

.color-mode-buttons {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.color-mode-buttons button {
    flex: 1 1 0;
    padding: 6px 4px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    background-color: #fff;
    color: #445;
    font-size: 0.75rem;
    cursor: pointer;
}

.color-mode-buttons button:hover {
    border-color: #2a5298;
    color: #2a5298;
}

.color-mode-buttons button.active {
    background: linear-gradient(90deg, #2a5298, #4a7bd0);
    border-color: #2a5298;
    color: #fff;
}

.color-legend {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    font-size: 0.72rem;
    color: #556;
}

.legend-bar {
    flex: 1 1 auto;
    height: 8px;
    border-radius: 4px;
    background: linear-gradient(90deg, rgb(46, 204, 64), rgb(255, 220, 0), rgb(255, 65, 54));
}

.track-list-title {
    margin-top: 20px;
    padding-bottom: 6px;
    border-bottom: 1px solid #dde3ea;
    font-size: 0.85rem;
    font-weight: 700;
    color: #556;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.track-list {
    list-style: none;
    margin-top: 8px;
}

.track-list li {
    padding: 7px 4px;
    border-bottom: 1px solid #eef1f5;
    font-size: 0.85rem;
    color: #333;
}

.track-header {
    display: flex;
    align-items: center;
    gap: 8px;
}

.track-color {
    flex: 0 0 12px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

/* 러너 아바타 (사진은 ⚙ 설정 Modal 에서 업로드) */
.track-avatar {
    flex: 0 0 18px;
    width: 18px;
    height: 18px;
    background-size: cover;
    background-position: center;
    border: 2px solid transparent;
}

/* 트랙 설정(⚙) 버튼 */
.track-settings {
    flex: 0 0 auto;
    border: none;
    background: none;
    color: #667;
    font-size: 0.95rem;
    line-height: 1;
    cursor: pointer;
    padding: 2px 4px;
}

.track-settings:hover {
    color: #2a5298;
}

/* 트랙 설정 Modal */
.track-photo-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.track-photo-preview {
    flex: 0 0 52px;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background-size: cover;
    background-position: center;
    border: 3px solid transparent;
}

.track-photo-hint {
    margin-top: 8px;
    font-size: 0.75rem;
    color: #778;
}

.track-delete-danger {
    color: #c0392b !important;
    border-color: #e0b4ae !important;
}

.track-delete-danger:hover {
    background-color: #fdf0ee !important;
}

.track-name {
    flex: 1 1 auto;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    cursor: pointer;
}

.track-name:hover {
    color: #2a5298;
    text-decoration: underline;
}

.track-play {
    flex: 0 0 auto;
    border: none;
    background: none;
    color: #2a5298;
    font-size: 0.8rem;
    line-height: 1;
    cursor: pointer;
    padding: 2px 4px;
}

.track-play:hover {
    color: #4a7bd0;
}

/* start / finish 원형 배지 */
.sf-marker svg {
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.45));
}

/* 재생 중 트랙 위를 이동하는 위치 점 */
.play-dot {
    background-color: #111;
    border: 2px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.play-tooltip {
    font-size: 0.85rem;
    font-weight: 500;
}

.play-tooltip .hr-heart {
    color: #e63946;
    font-size: 1.2rem;
    font-weight: 700;
    line-height: 1;
    vertical-align: -0.12em;
}

.track-drop {
    flex: 0 0 auto;
    border: none;
    background: none;
    color: #667;
    font-size: 0.7rem;
    line-height: 1;
    cursor: pointer;
    padding: 2px 4px;
}

.track-drop:hover {
    color: #2a5298;
}

.track-remove {
    flex: 0 0 auto;
    border: none;
    background: none;
    color: #a33;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    padding: 2px 4px;
}

.track-remove:hover {
    color: #e00;
}

/* 트랙 상세의 업적 뱃지 */
.track-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin: 8px 4px 0 20px;
}

.track-badge {
    padding: 3px 10px;
    border-radius: 999px;
    background: linear-gradient(90deg, #1d7a3e, #2ca05a);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
}

.track-details {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 3px 10px;
    margin: 8px 4px 2px 20px;
    padding: 8px 10px;
    background-color: #f7f9fc;
    border: 1px solid #e3e9f1;
    border-radius: 6px;
    font-size: 0.78rem;
}

.track-details dt {
    color: #667;
    font-weight: 500;
}

.track-details dd {
    color: #223;
    text-align: right;
}

/* ---------- map ---------- */

.map-container {
    flex: 1 1 auto;
    min-width: 0;
    position: relative;
}

#map {
    position: absolute;
    inset: 0;
}

/* 재생 차트 (지도 하단 오버레이) */
.play-chart {
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 12px;
    height: 176px;
    padding: 6px;
    background-color: rgba(255, 255, 255, 0.93);
    border: 1px solid #dde3ea;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.play-chart canvas {
    display: block;
    width: 100%;
    flex: 1 1 auto;
    min-height: 0;
}

/* 확대/축소 버튼 (차트 우상단, 세로 배치) */
.play-chart-zoom {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.play-chart-zoom button {
    width: 24px;
    height: 24px;
    padding: 0;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    background-color: #fff;
    color: #445;
    font-size: 0.9rem;
    line-height: 1;
    cursor: pointer;
}

.play-chart-zoom button:hover:not(:disabled) {
    border-color: #2a5298;
    color: #2a5298;
}

.play-chart-zoom button:disabled {
    opacity: 0.4;
    cursor: default;
}

/* 차트 아래 시리즈 선택 체크박스 */
.play-chart-series {
    flex: 0 0 auto;
    display: flex;
    flex-wrap: wrap;
    gap: 2px 12px;
    padding: 3px 6px 0;
    font-size: 0.72rem;
}

.play-chart-series label {
    display: flex;
    align-items: center;
    gap: 3px;
    cursor: pointer;
    font-weight: 600;
    user-select: none;
}

.play-chart-series input {
    width: 12px;
    height: 12px;
    cursor: pointer;
}

/* 재생 속도 컨트롤 (지도 우상단 오버레이) */
.speed-control {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    gap: 4px;
    padding: 5px;
    background-color: rgba(255, 255, 255, 0.93);
    border: 1px solid #dde3ea;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    z-index: 1000;
}

.speed-control button {
    padding: 4px 8px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    background-color: #fff;
    color: #445;
    font-size: 0.75rem;
    cursor: pointer;
}

.speed-control button:hover {
    border-color: #2a5298;
    color: #2a5298;
}

.speed-control button.active {
    background: linear-gradient(90deg, #2a5298, #4a7bd0);
    border-color: #2a5298;
    color: #fff;
}

.footer {
    flex: 0 0 auto;
}

/* ---------- KMZ options modal ---------- */

.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.45);
    z-index: 2000;
}

.modal[hidden] {
    display: none;
}

.modal-content {
    width: 340px;
    max-height: 85vh;
    overflow-y: auto;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    padding: 16px 18px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.modal-header h2 {
    font-size: 1.05rem;
    font-weight: 500;
    color: #1e3c72;
}

.modal-close {
    border: none;
    background: none;
    font-size: 1.4rem;
    line-height: 1;
    color: #888;
    cursor: pointer;
    padding: 0 4px;
}

.modal-close:hover {
    color: #333;
}

.kmz-opt-group {
    margin-bottom: 14px;
    padding: 10px 12px;
    background-color: #f7f9fc;
    border: 1px solid #e3e9f1;
    border-radius: 8px;
}

.kmz-opt-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: #556;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.kmz-radio {
    display: block;
    font-size: 0.85rem;
    color: #334;
    padding: 3px 0;
    cursor: pointer;
}

.kmz-file-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 6px 0 4px 20px;
}

.kmz-file-label {
    display: inline-block;
    padding: 4px 10px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    background-color: #fff;
    color: #445;
    font-size: 0.78rem;
    cursor: pointer;
}

.kmz-file-label:hover {
    border-color: #2a5298;
    color: #2a5298;
}

.kmz-file-name {
    font-size: 0.78rem;
    color: #2a5298;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.kmz-num {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.85rem;
    color: #334;
    padding: 4px 0;
}

.kmz-num input {
    width: 90px;
    padding: 4px 6px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    font-size: 0.85rem;
    text-align: right;
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 4px;
}

.modal-actions button {
    padding: 8px 14px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    background-color: #fff;
    color: #445;
    font-size: 0.85rem;
    cursor: pointer;
}

.modal-actions .modal-primary {
    background: linear-gradient(90deg, #2a5298, #4a7bd0);
    border-color: #2a5298;
    color: #fff;
}

.modal-actions button:hover {
    filter: brightness(1.05);
}

/* ---------- race video modal ---------- */

.race-button {
    background: linear-gradient(90deg, #1d7a3e, #2ca05a);
}

.race-modal-content {
    width: auto;
    max-width: 92vw;
}

.race-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: #334;
}

.race-controls select {
    margin-left: 4px;
    padding: 4px 6px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    font-size: 0.85rem;
}

.race-controls button {
    padding: 7px 12px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    background-color: #fff;
    color: #445;
    font-size: 0.85rem;
    cursor: pointer;
}

.race-controls button.modal-primary {
    background: linear-gradient(90deg, #1d7a3e, #2ca05a);
    border-color: #1d7a3e;
    color: #fff;
}

.race-controls button:disabled {
    opacity: 0.5;
    cursor: default;
}

.race-canvas-wrap {
    display: flex;
    justify-content: center;
    background-color: #223;
    border-radius: 8px;
    overflow: hidden;
}

#raceCanvas,
#cardCanvas {
    display: block;
    max-width: 80vw;
    max-height: 62vh;
    width: auto;
    height: auto;
}

.race-status {
    margin-top: 8px;
    font-size: 0.8rem;
    color: #556;
    min-height: 1.2em;
}

.sample-button {
    background: linear-gradient(90deg, #555f6e, #7b8794);
}

/* 공유 카드: 캔버스 위 인라인 문구 편집창 */
.card-canvas-wrap {
    position: relative;
}

.card-inline-input {
    position: absolute;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.35);
    border: 1.5px dashed rgba(255, 255, 255, 0.85);
    border-radius: 8px;
    color: #fff;
    text-align: center;
    padding: 2px 10px;
    outline: none;
    min-width: 60px;
    max-width: 90%;
    z-index: 2;
}

/* 공유 카드: 미리보기 드래그 힌트 + 커서 */
.card-hint {
    margin: -4px 0 8px;
    font-size: 0.72rem;
    color: #889;
}

#cardCanvas {
    cursor: grab;
}

/* 캔버스 인터랙션 중 브라우저 스크롤/줌 제스처 차단 (터치 드래그/핀치용) */
#cardCanvas,
#playChartCanvas {
    touch-action: none;
}

#cardCanvas:active {
    cursor: grabbing;
}

.race-controls input[type="text"] {
    margin-left: 4px;
    padding: 4px 6px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    font-size: 0.85rem;
    width: 170px;
}

.race-controls input[type="color"] {
    margin-left: 4px;
    width: 34px;
    height: 26px;
    padding: 1px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    cursor: pointer;
    vertical-align: middle;
}

.race-controls input[type="range"] {
    margin-left: 4px;
    width: 110px;
    vertical-align: middle;
}

.card-button {
    background: linear-gradient(90deg, #8e2464, #d4418e);
}

/* ---------- compare dashboard ---------- */

.compare-button {
    background: linear-gradient(90deg, #7a4a1d, #b0742c);
}

.compare-modal-content {
    width: min(700px, 94vw);
    max-height: 88vh;
}

.compare-baseline {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.85rem;
    color: #334;
    margin-bottom: 12px;
}

.compare-baseline select {
    margin-left: 6px;
    padding: 4px 6px;
    border: 1px solid #ccd4de;
    border-radius: 6px;
    font-size: 0.85rem;
    max-width: 320px;
}

.compare-common {
    font-size: 0.78rem;
    color: #778;
}

.compare-summary {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.compare-card {
    flex: 1 1 0;
    padding: 10px 12px;
    background-color: #f7f9fc;
    border: 1px solid #e3e9f1;
    border-radius: 8px;
}

.compare-card-label {
    font-size: 0.72rem;
    color: #667;
    margin-bottom: 4px;
}

.compare-card-value {
    font-size: 1.15rem;
    font-weight: 700;
    color: #223;
}

.compare-card-delta {
    margin-top: 3px;
    font-size: 0.78rem;
    color: #778;
}

.compare-card-delta.improve {
    color: #1d7a3e;
    font-weight: 700;
}

.compare-card-delta.worse {
    color: #c0392b;
    font-weight: 700;
}

.compare-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: #556;
    margin: 12px 0 6px;
}

.compare-hint {
    font-weight: 400;
    color: #99a;
    font-size: 0.72rem;
}

.compare-table-wrap {
    overflow-x: auto;
}

#compareTable,
#compareFormTable {
    border-collapse: collapse;
    width: 100%;
    font-size: 0.82rem;
}

#compareTable th,
#compareTable td,
#compareFormTable th,
#compareFormTable td {
    border: 1px solid #e3e9f1;
    padding: 5px 8px;
    text-align: center;
    white-space: nowrap;
}

#compareTable th,
#compareFormTable th {
    background-color: #f0f4f9;
    color: #445;
    font-weight: 500;
}

.compare-th-name {
    font-size: 0.7rem;
}

#compareTable td:first-child,
#compareFormTable td:first-child {
    background-color: #f7f9fc;
    color: #556;
}

.split-fast {
    background-color: #e3f6e8;
    color: #1d7a3e;
    font-weight: 600;
}

.split-slow {
    background-color: #fdecea;
    color: #c0392b;
}

.compare-total-row td {
    font-weight: 700;
    border-top: 2px solid #ccd4de;
}

.compare-trend {
    display: block;
    width: 100%;
    height: 190px;
}

/* 3D 렌더러용 오프스크린 MapLibre 컨테이너.
   화면 밖에 두고 매 프레임 WebGL 캔버스를 녹화 캔버스로 복사한다.
   (display:none 이면 WebGL 이 렌더링되지 않으므로 위치로만 숨긴다) */
.ml3d-offscreen {
    position: fixed;
    left: -10000px;
    top: 0;
    width: 720px;
    height: 1280px;
    pointer-events: none;
}


/* ==================== Mobile (반응형, ≤768px) ==================== */
@media (max-width: 768px) {
    /* 세로 스택: 상단 패널 + 지도 */
    .content {
        flex-direction: column;
    }

    .left-panel {
        flex: 0 0 auto;
        width: 100%;
        max-height: 44dvh; /* 트랙이 많아도 지도가 절반 이상 확보되도록 */
        overflow-y: auto;
        border-right: none;
        border-bottom: 1px solid #dde3ea;
        padding: 10px 12px;
    }

    .banner {
        padding: 8px 14px;
    }

    .banner h1 {
        font-size: 1.05rem;
    }

    /* 액션 버튼 6개: 3열 그리드로 압축 */
    .action-buttons {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }

    .action-buttons .stylish-button {
        margin-top: 0;
    }

    .action-buttons .upload-label {
        padding: 10px 2px;
        font-size: 0.72rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .track-list-title {
        margin-top: 10px;
        font-size: 0.75rem;
    }

    /* 터치 타깃 확대 (권장 44px 에 근접) */
    .track-list li {
        padding: 8px 4px;
    }

    .track-play,
    .track-drop,
    .track-settings {
        font-size: 1.05rem;
        padding: 8px;
    }

    .track-avatar {
        flex: 0 0 22px;
        width: 22px;
        height: 22px;
    }

    /* 지도 오버레이 */
    .play-chart {
        left: 6px;
        right: 6px;
        bottom: 6px;
        height: 168px;
    }

    .play-chart-series {
        font-size: 0.66rem;
        gap: 2px 8px;
    }

    .speed-control {
        top: 8px;
        right: 8px;
        padding: 4px;
    }

    .speed-control button {
        padding: 7px 9px;
    }

    /* Modal: 화면에 맞추고 내부 스크롤 */
    .modal-content {
        width: 92vw;
        max-height: 90dvh;
        overflow-y: auto;
    }

    .compare-modal-content,
    .race-modal-content {
        width: 94vw;
        max-width: 94vw;
    }

    #raceCanvas,
    #cardCanvas {
        max-width: 88vw;
        max-height: 52dvh;
    }

    .race-controls {
        gap: 8px;
        font-size: 0.8rem;
    }

    .race-controls input[type="text"] {
        width: 130px;
    }

    .card-hint,
    .compare-hint {
        font-size: 0.66rem;
    }

    /* 요약 카드 세로 스택 */
    .compare-summary {
        flex-direction: column;
        gap: 6px;
    }
}