.custom-challenge-screen {
    z-index: 60;
    padding: 24px;
}

.custom-challenge-panel {
    width: min(520px, 94vw);
    padding: 26px;
    background: #0d1117;
    border: 4px solid #00ffff;
    box-shadow: 8px 8px 0 #8e44ad;
}

.custom-unlocked {
    margin-bottom: 14px;
    color: #00ffff;
    font-size: 9px;
    line-height: 1.6;
    text-align: center;
    letter-spacing: 1px;
}

.custom-challenge-panel h2 {
    margin-bottom: 18px;
    color: #f1c40f;
    font-size: 22px;
    line-height: 1.4;
    text-align: center;
    text-shadow: 3px 3px 0 #d35400;
}

.custom-challenge-panel > p {
    margin-bottom: 22px;
    color: #ddd;
    font-size: 10px;
}

.custom-field {
    display: block;
    margin-top: 16px;
    color: #f1c40f;
    font-size: 10px;
    line-height: 1.8;
}

.custom-field select {
    width: 100%;
    margin-top: 7px;
    padding: 12px;
    border: 3px solid #fff;
    background: #000;
    color: #fff;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
    line-height: 1.5;
}

.custom-field select:focus {
    outline: 3px solid #00ffff;
    outline-offset: 3px;
}

.custom-challenge-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 8px;
}

.custom-challenge-actions button {
    margin-top: 18px;
}

.custom-result-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    margin-top: 10px;
}

.custom-result-actions button {
    margin-top: 0;
    padding: 12px 18px;
    font-size: 11px;
}

.secondary-btn {
    background: #333;
    box-shadow: 4px 4px 0 #111;
}

.secondary-btn:hover {
    background: #555;
}

#game-title {
    user-select: none;
}

@media (max-width: 768px) {
    .custom-challenge-screen {
        padding: 16px;
    }

    .custom-challenge-panel {
        padding: 20px 16px;
        box-shadow: 5px 5px 0 #8e44ad;
    }

    .custom-challenge-panel h2 {
        font-size: 17px;
    }

    .custom-challenge-panel > p,
    .custom-field,
    .custom-field select {
        font-size: 8px;
    }

    .custom-challenge-actions {
        flex-direction: column;
        gap: 8px;
    }

    .custom-challenge-actions button {
        width: min(90%, 320px);
        margin-top: 8px;
        font-size: 12px;
    }

    .custom-result-actions {
        width: min(94%, 360px);
        flex-direction: column;
        gap: 8px;
    }

    .custom-result-actions button {
        width: 100%;
        font-size: 10px;
    }
}