html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #ffffff;
    color: #111111;
}

@media (prefers-color-scheme: dark) {
    html, body {
        background: #0F0F1A;
        color: #f1f1f1;
    }
}

/* Boot screen — visible only until Compose mounts and overlays it
   with its own <canvas>. Branded purple matches the M3 primary token
   used by the in-app theme so the transition feels seamless. */
#boot {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 20px;
    background: linear-gradient(180deg, #7B61FF 0%, #5B45D8 100%);
    color: #ffffff;
    z-index: 1;
}

#boot .boot-mark {
    width: 96px;
    height: 96px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -0.02em;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

#boot .boot-title {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.01em;
    opacity: 0.95;
}

#boot .boot-spinner {
    margin-top: 4px;
}