/* Splash Screen */
#splash-screen {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    /* Dark navy → near-black radial gradient */
    background: radial-gradient(ellipse at 50% 40%, #0d1b35 0%, #04080f 100%);
    opacity: 1;
    cursor: pointer;
    user-select: none;
    overflow: hidden;
}

#splash-screen.splash-hiding {
    opacity: 0;
    transition: opacity 400ms ease;
    pointer-events: none;
}

/* Full-screen background canvas (graph network layer) */
.splash-bg-canvas {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* Foreground cube canvas */
.splash-canvas {
    display: block;
    position: relative; /* sits above bg canvas in stacking order */
}

/* Wordmark */
.splash-wordmark {
    position: relative;
    margin-top: 2rem;
    font-family: 'Google Sans Code', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: #e2e8f0;
    letter-spacing: -0.02em;
}