html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    /* Allow native pull-to-refresh on mobile browsers. */
    overflow-x: hidden;
    overflow-y: auto;
    overscroll-behavior-y: auto;
    -webkit-overflow-scrolling: touch;
}

:root {
    --loader-bg: #0b0b0b;
    --loader-fg: #eaeaea;
    --loader-accent: #9B54FFFF;
}

/* Fullscreen loader shown until app JS initializes */
#app-loader {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 12px;
    background: var(--loader-bg);
    color: var(--loader-fg);
    z-index: 9999;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--loader-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loader-text {
    font: 500 14px/1.2 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, sans-serif;
    opacity: 0.8;
}