html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    background: #F4F5F8;
    -webkit-tap-highlight-color: transparent;
    overscroll-behavior: none;
}

@media (prefers-color-scheme: dark) {
    html, body { background: #111317; }
    #splash { color: #ECEDF0; }
}

#splash {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1B1D22;
    text-align: center;
    padding: 24px;
    box-sizing: border-box;
}

.splash-logo {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: #3355D1;
    color: #fff;
    font-size: 34px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
}

.splash-text { font-size: 17px; font-weight: 600; }
.splash-hint { font-size: 13px; opacity: 0.6; max-width: 320px; line-height: 1.4; }