.hellochild-dev-runner {
    --runner-panel: rgba(10, 17, 35, 0.88);
    --runner-line: #6f89bc;
    --runner-accent: #9fe7f5;
    --runner-accent-soft: #af91d8;
    --runner-text: #e8f7ff;
    --runner-muted: #9baccc;
    --runner-font: "Trebuchet MS", "Gill Sans", sans-serif;
    position: relative;
    padding: 0;
    overflow: hidden;
    border: 0;
    border-radius: 0;
    background: #10172b;
    box-shadow: none;
    font-family: var(--runner-font);
}


/* Mobile game shell */
.hellochild-dev-runner {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    border: clamp(3px, 0.7cqi, 7px) solid #223c72;
    border-radius: clamp(14px, 2.2cqi, 24px);
    background: linear-gradient(145deg, #172b56, #080f26);
    box-shadow: 0 14px 34px rgba(3, 8, 28, 0.38), inset 0 0 0 2px rgba(134, 212, 255, 0.2);
    isolation: isolate;
}