/* 404 page specific styles - Dark glitch / data terminal theme */

body.page-404 {
    background: radial-gradient(circle at top, rgba(13, 117, 255, 0.12), transparent 32%),
                linear-gradient(180deg, #06080f 0%, #050611 100%);
    color: #e4f0ff;
    font-family: 'Inter', 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

.error-shell {
    min-height: calc(100vh - 84px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.error-card {
    width: min(900px, 100%);
    padding: 48px 40px;
    border-radius: 28px;
    background: rgba(4, 8, 16, 0.94);
    border: 1px solid rgba(88, 152, 255, 0.18);
    box-shadow: 0 26px 80px rgba(0, 0, 0, 0.45);
    overflow: hidden;
    position: relative;
}

.error-card::before,
.error-card::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.error-card::before {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 40%, rgba(255, 255, 255, 0.04));
    transform: skewX(-12deg);
}

.error-card::after {
    background-image: radial-gradient(circle at 10% 20%, rgba(3, 155, 255, 0.18), transparent 22%),
                      radial-gradient(circle at 80% 80%, rgba(63, 185, 255, 0.12), transparent 20%);
}

.error-headline {
    margin: 0 0 16px;
    font-size: clamp(3rem, 5vw, 6rem);
    letter-spacing: -0.08em;
    line-height: 0.9;
    color: #7df0ff;
    text-shadow: 0 0 18px rgba(125, 240, 255, 0.28);
    animation: glowPulse 2.5s ease-in-out infinite alternate;
}

.error-subtitle {
    margin: 0 0 24px;
    color: #b8d3ff;
    font-size: 1.05rem;
    line-height: 1.8;
    letter-spacing: 0.02em;
    max-width: 720px;
}

.error-meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.meta-chip {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(34, 126, 255, 0.18);
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 0.95rem;
    color: #c4d6ff;
}

.error-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.button-return {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 26px;
    border-radius: 999px;
    border: 1px solid rgba(125, 240, 255, 0.5);
    background: rgba(26, 34, 60, 0.95);
    color: #e5f4ff;
    font-size: 0.98rem;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    box-shadow: 0 0 18px rgba(46, 213, 255, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button-return:hover,
.button-return:focus-visible {
    transform: translateY(-2px);
    background: rgba(14, 24, 42, 0.98);
    box-shadow: 0 0 28px rgba(45, 210, 255, 0.35);
}

@keyframes glowPulse {
    0% {
        text-shadow: 0 0 18px rgba(125, 240, 255, 0.28), 0 0 40px rgba(125, 240, 255, 0.18);
    }
    100% {
        text-shadow: 0 0 24px rgba(125, 240, 255, 0.55), 0 0 64px rgba(125, 240, 255, 0.25);
    }
}

@media (max-width: 720px) {
    .error-card {
        padding: 32px 22px;
    }

    .error-headline {
        font-size: clamp(2.4rem, 10vw, 4rem);
    }

    .error-actions {
        width: 100%;
    }
}