:root {
    color-scheme: light;
    font-family: Arial, Helvetica, sans-serif;
    --background: #f4f7f8;
    --panel: #ffffff;
    --text: #172026;
    --muted: #647178;
    --line: #d8e0e4;
    --accent: #0f766e;
    --accent-soft: #dff3f0;
    --signal-red: #dc1f17;
    --signal-red-dark: #97130e;
    --rail-orange: #ff6b00;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background:
        linear-gradient(180deg, #edf2f4 0%, #f7f9fa 42%, #edf2f4 100%);
    color: var(--text);
}

.page-shell {
    width: min(1180px, 100%);
    margin: 0 auto;
    padding: clamp(14px, 2vw, 26px);
}

.tracking-panel {
    background: var(--panel);
    border: 1px solid rgba(184, 198, 205, 0.75);
    border-radius: 8px;
    overflow: hidden;
    box-shadow:
        0 18px 50px rgba(15, 35, 45, 0.12),
        0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

.tracking-header {
    position: relative;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 26px 26px 24px;
    border-bottom: 1px solid var(--line);
    background:
        linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 251, 0.94));
}

.tracking-header::after {
    content: "";
    position: absolute;
    left: 26px;
    right: 26px;
    bottom: -1px;
    height: 3px;
    background: linear-gradient(90deg, var(--signal-red), var(--rail-orange) 42%, transparent 42%);
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--accent);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1 {
    margin: 0;
    font-size: clamp(1.7rem, 4vw, 2.45rem);
    line-height: 1.1;
    color: #0f1720;
}

.language-switch {
    display: inline-flex;
    gap: 8px;
}

.language-switch a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 34px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #ffffff;
    color: var(--text);
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 3px 10px rgba(15, 35, 45, 0.06);
}

.language-switch a:hover {
    border-color: #9fb0b8;
    color: var(--signal-red);
}

.summary-grid,
.status-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--line);
}

.summary-grid--container {
    grid-template-columns:
        minmax(180px, 1.05fr)
        minmax(120px, 0.8fr)
        minmax(280px, 1.55fr)
        minmax(170px, 1fr);
}

.summary-grid > div,
.status-grid > div {
    min-width: 0;
    padding: 20px 22px;
    background: var(--panel);
}

.summary-grid--primary > div:first-child {
    background:
        linear-gradient(135deg, #ffffff, #fff7f4);
    box-shadow: inset 4px 0 0 var(--signal-red);
}

.summary-grid span,
.status-grid span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
    text-transform: uppercase;
}

.summary-grid strong,
.status-grid strong {
    display: block;
    overflow-wrap: anywhere;
    font-size: 1.1rem;
    line-height: 1.35;
}

.summary-grid small {
    display: block;
    margin-top: 5px;
    color: var(--muted);
}

.tracking-map {
    height: min(58vh, 560px);
    min-height: 380px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    background: #d8dde0;
}

.tracking-map--rail .leaflet-tile-pane {
    background: #d8dde0;
}

.tracking-map .leaflet-control-zoom {
    border: 1px solid rgba(100, 113, 120, 0.28);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(15, 35, 45, 0.16);
}

.tracking-map .leaflet-control-zoom a {
    color: #0f1720;
}

.tracking-map .leaflet-control-attribution {
    background: rgba(255, 255, 255, 0.78);
    color: #5f6b72;
}

.details-list {
    display: grid;
    grid-template-columns: minmax(120px, 220px) minmax(0, 1fr);
    gap: 1px;
    margin: 0;
    background: var(--line);
}

.details-list:empty {
    display: none;
}

.details-list dt,
.details-list dd {
    margin: 0;
    padding: 16px 20px;
    background: var(--panel);
}

.details-list dt {
    color: var(--muted);
    font-weight: 700;
}

.details-list dd {
    font-weight: 700;
    color: #172026;
}

.status-cell--alert strong {
    color: var(--signal-red);
}

.status-cell--ok strong {
    color: #0f766e;
}

.tracking-position-marker {
    width: 140px !important;
    height: 38px !important;
}

.tracking-position-marker span {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding-left: 21px;
    white-space: nowrap;
}

.tracking-position-marker span::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 2px;
    width: calc(100% + 10px);
    min-width: 92px;
    height: 34px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.88);
    filter: blur(2px);
    z-index: -1;
}

.tracking-position-marker i {
    position: absolute;
    left: 0;
    top: 5px;
    width: 28px;
    height: 28px;
    border: 3px solid #ffffff;
    border-radius: 999px;
    background:
        linear-gradient(#ffffff 0 0) 50% 8px / 13px 4px no-repeat,
        radial-gradient(circle at 9px 19px, #ffffff 0 2px, transparent 2.5px),
        radial-gradient(circle at 19px 19px, #ffffff 0 2px, transparent 2.5px),
        linear-gradient(135deg, #ef1f16 0%, #c91510 100%);
    box-shadow:
        0 3px 0 var(--signal-red-dark),
        0 8px 18px rgba(15, 23, 42, 0.28);
    z-index: 2;
}

.tracking-position-marker--container i {
    background:
        linear-gradient(#ffffff 0 0) 50% 9px / 14px 4px no-repeat,
        linear-gradient(#ffffff 0 0) 50% 16px / 14px 3px no-repeat,
        linear-gradient(135deg, #ef1f16 0%, #c91510 100%);
}

.tracking-position-marker b {
    display: inline-block;
    min-width: 58px;
    min-height: 28px;
    padding: 6px 13px 5px 19px;
    border: 3px solid #ffffff;
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.14), transparent 45%),
        linear-gradient(135deg, #ef1f16 0%, #c91510 100%);
    box-shadow:
        0 3px 0 var(--signal-red-dark),
        0 8px 18px rgba(15, 23, 42, 0.28);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 900;
    line-height: 1;
    text-align: center;
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.22);
}

.notice-panel {
    margin: 24px;
    padding: 18px 20px;
    border: 1px solid #f2c97d;
    border-radius: 8px;
    background: #fff7e8;
    color: #5d4200;
}

.landing-body {
    padding: 24px 26px 30px;
}

.landing-intro {
    margin: 0 0 8px;
    font-size: 1rem;
    font-weight: 700;
}

.landing-help {
    margin: 0 0 20px;
    color: var(--muted);
}

.landing-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.landing-action {
    display: block;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: linear-gradient(145deg, #ffffff, #f8fbfc);
    text-decoration: none;
    color: inherit;
}

.landing-action strong {
    display: block;
    margin-bottom: 6px;
    color: #0f1720;
}

.landing-action span {
    color: var(--muted);
    font-size: 0.9rem;
}

.landing-action:hover {
    border-color: #9fb0b8;
}

.tv-map-page {
    background: #111827;
    overflow: hidden;
}

.tv-map-shell {
    position: relative;
    width: 100vw;
    height: 100vh;
}

.tv-train-map {
    width: 100%;
    height: 100%;
}

.tv-map-base-layer {
    filter: grayscale(1) saturate(0.25) brightness(1.06) contrast(0.95);
}

.tv-map-overlay,
.tv-map-footer {
    position: absolute;
    z-index: 500;
    color: #172026;
    background: rgba(255, 255, 255, 0.89);
    border: 1px solid rgba(216, 224, 228, 0.9);
    box-shadow: 0 8px 20px rgba(15, 35, 45, 0.12);
    backdrop-filter: blur(8px);
}

.tv-map-overlay {
    top: 14px;
    left: 58px;
    right: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    min-height: 58px;
    padding: 8px 14px;
    border-radius: 6px;
}

.tv-map-overlay h1 {
    font-size: 1.55rem;
}

.tv-map-stats {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2px;
}

.tv-map-stats span {
    font-size: 1.9rem;
    line-height: 1;
    font-weight: 800;
}

.tv-map-stats small,
.tv-map-footer {
    color: var(--muted);
    font-weight: 700;
    text-transform: uppercase;
}

.tv-map-footer {
    left: 14px;
    right: 14px;
    bottom: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 8px 11px;
    border-radius: 6px;
    font-size: 0.72rem;
}

.tv-train-marker {
    width: 130px !important;
    height: 38px !important;
}

.tv-train-marker span {
    position: relative;
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding-left: 19px;
    white-space: nowrap;
    transition: transform 0.14s ease, opacity 0.14s ease;
}

.tv-train-marker span::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 2px;
    width: 113px;
    height: 34px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.84);
    filter: blur(2px);
    transform: translateZ(0);
    z-index: -1;
}

.tv-train-marker__glyph {
    position: absolute;
    left: 0;
    top: 5px;
    width: 28px;
    height: 28px;
    border: 3px solid #ffffff;
    border-radius: 999px;
    background:
        linear-gradient(#ffffff 0 0) 50% 8px / 13px 4px no-repeat,
        radial-gradient(circle at 9px 19px, #ffffff 0 2px, transparent 2.5px),
        radial-gradient(circle at 19px 19px, #ffffff 0 2px, transparent 2.5px),
        linear-gradient(135deg, #ef1f16 0%, #c91510 100%);
    box-shadow:
        0 3px 0 #8f100c,
        0 8px 18px rgba(15, 23, 42, 0.28);
    flex: 0 0 auto;
    z-index: 2;
}

.tv-train-marker__glyph::before,
.tv-train-marker__glyph::after {
    content: "";
    position: absolute;
    bottom: 5px;
    width: 5px;
    height: 3px;
    border-radius: 2px;
    background: #ffffff;
}

.tv-train-marker__glyph::before {
    left: 6px;
}

.tv-train-marker__glyph::after {
    right: 6px;
}

.tv-train-marker__badge {
    display: inline-block;
    min-width: 54px;
    min-height: 28px;
    padding: 6px 12px 5px 18px;
    border: 3px solid #ffffff;
    border-radius: 999px;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 45%),
        linear-gradient(135deg, #ef1f16 0%, #c91510 100%);
    box-shadow:
        0 3px 0 #8f100c,
        0 8px 18px rgba(15, 23, 42, 0.28);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 900;
    line-height: 1;
    text-align: center;
    text-shadow:
        0 1px 0 rgba(0, 0, 0, 0.22),
        0 0 4px rgba(0, 0, 0, 0.18);
    letter-spacing: 0;
}

.tv-marker-pane--updating .tv-train-marker span {
    opacity: 0.78;
    transform: scale(0.98);
}

@media (max-width: 760px) {
    .page-shell {
        padding: 12px;
    }

    .tracking-header {
        padding: 18px;
    }

    .summary-grid,
    .status-grid,
    .details-list {
        grid-template-columns: 1fr;
    }

    .tracking-map {
        height: 380px;
        min-height: 300px;
    }

    .landing-actions {
        grid-template-columns: 1fr;
    }

    .tv-map-overlay {
        top: 10px;
        left: 54px;
        right: 10px;
        min-height: 56px;
        padding: 8px 12px;
    }

    .tv-map-overlay h1 {
        font-size: 1.35rem;
    }

    .tv-map-footer {
        left: 10px;
        right: 10px;
        bottom: 10px;
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }
}