/* ============================================================
   3D Altimetry chart
   ============================================================ */

.altimetry-chart {
    width: var(--altimetry-chart-width, 640px);
    height: var(--altimetry-chart-height, 720px);
    max-width: 100%;
    min-width: 0;
    margin: 0 auto;
}

.altimetry-svg {
    display: block;
    width: 100%;
    height: 100%;
    overflow: visible;
}

.altimetry-chart-loader {
    display: grid;
    place-content: center;
    gap: 0.65rem;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
}

.altimetry-loader-spinner {
    width: 28px;
    height: 28px;
    margin: 0 auto;
    border: 3px solid rgba(0,0,0,0.12);
    border-top-color: var(--text);
    border-radius: 50%;
    animation: altimetry-spin 0.8s linear infinite;
}

.altimetry-chart-loader.is-error {
    color: var(--text);
}

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

.altimetry-title {
    font-family: var(--font-sans);
    font-size: 25px;
    font-weight: 700;
    fill: var(--text);
}

.altimetry-subtitle {
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 400;
    fill: var(--text-secondary);
}

.altimetry-category path {
    fill: var(--accent);
}

.altimetry-category text {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 800;
    fill: #fff;
}

.altimetry-climb-face {
    fill: #D8B06A;
    stroke: rgba(0,0,0,0.16);
    stroke-width: 1;
}

.altimetry-base-face {
    fill: #111;
}

.altimetry-left-face {
    fill: #C9984D;
    stroke: rgba(0,0,0,0.16);
    stroke-width: 1;
}

.altimetry-left-base-face {
    fill: #111;
}

.altimetry-grid line {
    stroke: rgba(0,0,0,0.36);
    stroke-width: 1;
    stroke-dasharray: 6 5;
}

.altimetry-axis-labels text {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    fill: var(--text);
}

.altimetry-base-line {
    fill: none;
    stroke: rgba(255,255,255,0.35);
    stroke-width: 1;
}

.altimetry-segment polygon {
    stroke: rgba(255,255,255,0.22);
    stroke-width: 0.8;
    cursor: crosshair;
    transition: filter 0.15s ease, opacity 0.15s ease;
}

.altimetry-segment:hover polygon,
.altimetry-segment.is-active polygon {
    filter: brightness(1.08);
}

.altimetry-road-centerline {
    fill: none;
    stroke: rgba(255,255,255,0.86);
    stroke-width: 2.2;
    stroke-dasharray: 13 9;
    stroke-linecap: butt;
    stroke-linejoin: round;
    pointer-events: none;
}

.altimetry-steep-overlay {
    fill: #1E1E1E;
    stroke: rgba(255,255,255,0.18);
    stroke-width: 0.8;
    pointer-events: none;
}

.altimetry-segment .altimetry-steep-overlay {
    pointer-events: auto;
}

.altimetry-steep-sign {
    pointer-events: none;
}

.altimetry-steep-sign line {
    stroke: #111;
    stroke-width: 1.4;
    stroke-dasharray: 2 3;
}

.altimetry-steep-sign-frame {
    fill: #fff;
    stroke: #E2232A;
    stroke-width: 8;
    stroke-linejoin: round;
    stroke-linecap: round;
}

.altimetry-steep-sign-ramp {
    fill: #1F1F1F;
}

.altimetry-steep-sign text {
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 700;
    fill: #111;
}

.altimetry-gradient-label,
.altimetry-km-label {
    font-family: var(--font-sans);
    pointer-events: none;
}

.altimetry-gradient-label {
    font-size: 11px;
    font-weight: 800;
    fill: #111;
}

.altimetry-km-label {
    font-size: 12px;
    font-weight: 800;
    fill: #D8B06A;
}

.altimetry-start-label text {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    fill: var(--text);
}

.altimetry-summit-pin line {
    stroke: #111;
    stroke-width: 2;
}

.altimetry-summit-pin circle {
    fill: #fff;
    stroke: #111;
    stroke-width: 2;
}

.altimetry-tooltip {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.12s ease;
}

.altimetry-tooltip.is-visible {
    opacity: 1;
}

.altimetry-tooltip rect {
    fill: rgba(17,17,17,0.92);
}

.altimetry-tooltip text {
    font-family: var(--font-sans);
    fill: #fff;
}

.altimetry-tooltip-main {
    font-size: 12px;
    font-weight: 800;
}

.altimetry-tooltip-max {
    font-weight: 500;
}

.altimetry-tooltip-sub {
    font-size: 11px;
    font-weight: 500;
    opacity: 0.82;
}

@media (max-width: 720px) {
    .altimetry-title {
        font-size: 23px;
    }

    .altimetry-subtitle {
        font-size: 14px;
    }

    .altimetry-axis-labels text {
        font-size: 11px;
    }

    .altimetry-gradient-label {
        display: none;
    }

    .altimetry-km-label {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .altimetry-svg {
        min-width: min(560px, var(--altimetry-chart-width, 640px));
    }

    .altimetry-chart {
        overflow-x: auto;
        padding-bottom: 0.25rem;
    }
}