:root {
    color-scheme: light dark;
}

.app-loading {
    --loading-ink: var(--foreground, light-dark(#183746, #dcebf2));
    --loading-muted: var(--muted-foreground, light-dark(#7b8d99, #8da6b4));
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    box-sizing: border-box;
    overflow: hidden;
    padding: 32px 24px;
    background:
        radial-gradient(ellipse at 50% 42%, #8ecae612, transparent 62%),
        var(--workspace, light-dark(#f6f8fa, #0b1822));
    color: var(--loading-ink);
    font-family: Arial, Helvetica, sans-serif;
    text-align: center;
}

.app-loading[hidden] {
    display: none;
}

.app-loading-art {
    position: relative;
    display: grid;
    width: 176px;
    height: 176px;
    margin-bottom: 24px;
    place-items: center;
}

.app-loading-orbit {
    position: absolute;
    inset: 0;
    border: 1px solid #8ecae626;
    border-radius: 50%;
    animation: loading-orbit 12s linear infinite;
}

.app-loading-orbit::after {
    position: absolute;
    top: 19px;
    right: 20px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #fb8500;
    box-shadow: 0 0 14px #fb850033;
    content: '';
}

.app-loading-ring {
    position: absolute;
    inset: 18px;
    border: 1px dashed #8ecae633;
    border-radius: 50%;
}

.app-loading-orb {
    position: relative;
    width: 88px;
    height: 88px;
    object-fit: contain;
    filter: drop-shadow(0 12px 14px #02304733);
}

.app-loading-eyebrow {
    margin: 0 0 13px;
    color: var(--loading-muted);
    font-size: 0.625rem;
    font-weight: 500;
    letter-spacing: 0.2em;
}

.app-loading-brand {
    margin: 0;
    color: var(--loading-ink);
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.25;
    letter-spacing: -0.06em;
}

.app-loading-dot {
    color: #fb8500;
}

.app-loading-message {
    margin: 14px 0 28px;
    color: var(--loading-muted);
    font-size: 0.8125rem;
    line-height: 1.8;
}

.app-loading-track {
    width: 144px;
    height: 3px;
    overflow: hidden;
    border-radius: 10px;
    background: #8ecae624;
}

.app-loading-track span {
    display: block;
    width: 50%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #8ecae633, #8ecae6, #8ecae633);
    animation: loading-drift 1.8s ease-in-out infinite;
}

.app-loading-footer {
    position: absolute;
    right: 24px;
    bottom: max(28px, env(safe-area-inset-bottom));
    left: 24px;
    margin: 0;
    color: var(--loading-muted);
    font-size: 0.6875rem;
    line-height: 1.8;
    letter-spacing: 0.02em;
}

@keyframes loading-orbit {
    to {
        transform: rotate(360deg);
    }
}

@keyframes loading-drift {
    0%,
    100% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(200%);
    }
}

@media (max-height: 480px) {
    .app-loading-art {
        width: 120px;
        height: 120px;
        margin-bottom: 12px;
    }
    .app-loading-orb {
        width: 56px;
        height: 56px;
    }
    .app-loading-message {
        margin-bottom: 16px;
    }
    .app-loading-footer {
        position: static;
        margin-top: 24px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .app-loading-orbit,
    .app-loading-track span {
        animation: none;
    }
    .app-loading-track span {
        transform: translateX(50%);
    }
}