#qs-splash {
    position: fixed;
    z-index: 9999;
    inset: 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-family: 'Roboto', sans-serif;
    transition: opacity 0.5s;
}
#qs-splash-logo {
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}
#qs-splash-title {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 12px;
}
#qs-splash-msg {
    font-size: 1.1rem;
    margin-bottom: 32px;
    opacity: 0.85;
}
.qs-spinner {
    border: 6px solid #64748b;
    border-top: 6px solid #38bdf8;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}