/* --- Страница-заглушка при ошибках --- */

.unavailable-message {
    margin: 80px auto;
    max-width: 18em;
    font-size: 42px;
    line-height: 1.45;
    letter-spacing: 0.02em;
    white-space: pre-line;
    word-break: break-word;
}

.unavailable-message--glitch {
    animation: unavailable-glitch 0.55s steps(2, end) 2;
}

@keyframes unavailable-glitch {
    0% {
        opacity: 1;
        transform: translate(0, 0);
        filter: none;
        text-shadow: none;
        clip-path: inset(0 0 0 0);
    }
    15% {
        opacity: 0.45;
        transform: translate(-5px, 1px);
        filter: contrast(1.4) hue-rotate(80deg);
        text-shadow:
            2px 0 rgba(255, 0, 80, 0.8),
            -2px 0 rgba(0, 255, 220, 0.7);
        clip-path: inset(10% 0 58% 0);
    }
    35% {
        opacity: 1;
        transform: translate(4px, -2px);
        filter: contrast(1.25) hue-rotate(-40deg);
        text-shadow:
            -3px 0 rgba(255, 0, 80, 0.65),
            3px 0 rgba(0, 255, 220, 0.55);
        clip-path: inset(42% 0 18% 0);
    }
    55% {
        opacity: 0.65;
        transform: translate(-3px, 0);
        filter: contrast(1.35) hue-rotate(120deg);
        text-shadow:
            2px 0 rgba(255, 0, 80, 0.75),
            -2px 0 rgba(0, 255, 220, 0.65);
        clip-path: inset(0 0 0 0);
    }
    75% {
        transform: translate(2px, 1px);
        filter: contrast(1.2);
        text-shadow:
            1px 0 rgba(255, 0, 80, 0.4),
            -1px 0 rgba(0, 255, 220, 0.35);
    }
    100% {
        opacity: 1;
        transform: translate(0, 0);
        filter: none;
        text-shadow: none;
        clip-path: inset(0 0 0 0);
    }
}

@media (max-width: 900px) {
    .unavailable-message {
        margin: 48px auto;
        font-size: 28px;
        max-width: 95%;
    }
}

@media (max-width: 600px) {
    .unavailable-message {
        margin: 32px auto;
        font-size: 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .unavailable-message--glitch {
        animation: none;
    }
}