.error-page {
    min-height: 100vh;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(
            circle at top,
            rgba(65, 137, 255, 0.25),
            transparent 45%
        ),
        linear-gradient(
            145deg,
            #08152d,
            #0f2f5f
        );
    color: #ffffff;
    font-family: Arial, Helvetica, sans-serif;
}

.error-page-main {
    width: 100%;
    padding: 2rem;
    box-sizing: border-box;
}

.error-card {
    width: min(680px, 100%);
    margin: 0 auto;
    padding: 3rem;
    box-sizing: border-box;
    text-align: center;
    background: rgba(255, 255, 255, 0.97);
    color: #15213a;
    border-radius: 24px;
    border: 4px solid #f4c542;
    box-shadow:
        0 24px 60px rgba(0, 0, 0, 0.35);
}

.error-code {
    font-size: clamp(4rem, 12vw, 8rem);
    line-height: 1;
    font-weight: 900;
    color: #d62828;
    text-shadow:
        3px 3px 0 #f4c542;
}

.error-icon {
    margin: 1rem 0;
    font-size: 4rem;
}

.error-card h1 {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 5vw, 3rem);
    color: #123d78;
}

.error-card p {
    font-size: 1.1rem;
    line-height: 1.7;
}

.error-intro {
    font-weight: 700;
}

.error-message-box {
    margin: 2rem 0;
    padding: 1.25rem;
    background: #eef5ff;
    border-left: 6px solid #1c6dd0;
    border-radius: 12px;
    text-align: left;
}

.error-message-box strong {
    color: #123d78;
}

.error-message-box p {
    margin-bottom: 0;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.error-button {
    display: inline-block;
    padding: 0.9rem 1.4rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;
}

.error-button:hover {
    transform: translateY(-2px);
    box-shadow:
        0 8px 18px rgba(0, 0, 0, 0.2);
}

.error-button-primary {
    background: #1c6dd0;
    color: #ffffff;
}

.error-button-secondary {
    background: #f4c542;
    color: #15213a;
}

@media (max-width: 600px) {
    .error-page-main {
        padding: 1rem;
    }

    .error-card {
        padding: 2rem 1.25rem;
    }

    .error-actions {
        flex-direction: column;
    }

    .error-button {
        width: 100%;
        box-sizing: border-box;
    }
}