* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    background: #f7f7f8;
    color: #222;
}

#app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 16px 20px 32px;
}

header h1 {
    margin: 0 0 6px;
}

header p {
    margin: 0 0 14px;
    color: #555;
    max-width: 60rem;
}

#controls-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: flex-end;
    margin-bottom: 16px;
    padding: 10px 12px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.control {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 14px;
}

.control-inline {
    display: flex;
    align-items: center;
    gap: 10px;
}

#year-slider {
    width: 180px;
}

#play-btn {
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid #ccc;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
}

#play-btn:hover {
    background: #f0f0f0;
}

.checkbox-inline {
    display: flex;
    align-items: center;
    gap: 6px;
}

#main-row {
    /* display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); */
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 10px;
}

#map-container,
#detail-container {
    background: #ffffff;
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

#map-container h2,
#detail-container h2 {
    margin: 0 0 8px;
    font-size: 16px;
}

#map-svg,
#detail-svg {
    width: 100%;
    height: auto;
}

/* Fix SVG sizing via viewBox in JS */
#map-svg {
    border-radius: 8px;
}

#detail-svg {
    border-radius: 8px;
    margin-top: 4px;
}

#map-legend {
    margin-top: 8px;
    font-size: 12px;
}

#map-legend svg {
    display: block;
}

#detail-summary {
    margin-top: 10px;
    font-size: 14px;
    color: #444;
}

/* Tooltip */
.tooltip {
    position: absolute;
    pointer-events: none;
    padding: 6px 8px;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.78);
    color: #fff;
    border-radius: 4px;
    z-index: 1000;
}

/* Responsive */
@media (max-width: 900px) {
    #main-row {
        grid-template-columns: 1fr;
    }
}