.expl-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
}

.expl-header {
    text-align: center;
    max-width: 640px;
}

.expl-header h1 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.expl-header p {
    color: var(--text-secondary);
}

#exploratorium-root {
    position: relative;
    max-width: 100%;
}

#exploratorium-game {
    border: 2px solid var(--accent-blue);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.2);
    max-width: 100%;
    line-height: 0;
}

.expl-station-prompt {
    position: absolute;
    left: 50%;
    bottom: 24px;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(10, 15, 28, 0.92);
    border: 1px solid var(--accent-blue);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    white-space: nowrap;
    z-index: 5;
}

.expl-station-prompt[hidden] {
    display: none;
}

#exploratorium-game canvas {
    display: block;
    max-width: 100%;
    height: auto;
}

.expl-hud {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-align: center;
}

.expl-controls-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
    text-align: center;
    max-width: 480px;
}

.expl-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.25rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.expl-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.expl-legend-dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid var(--primary-dark);
}

.expl-legend-dot--unvisited {
    background: #00d4ff;
}

.expl-legend-dot--visited {
    background: #00b894;
}

@media (max-width: 600px) {
    /* The nowrap pill can be wider than the scaled-down canvas on narrow
       screens, pushing its edges (and the Enter button) off-screen. */
    .expl-station-prompt {
        max-width: 92%;
        white-space: normal;
        text-align: center;
        flex-wrap: wrap;
        justify-content: center;
    }
}