:root {
    --qr-primary-color: #1e3c72;
    --qr-secondary-color: #f8f9fa;
    --qr-accent-color: #2a5298;
    --qr-text-color: #1f2937;
    --qr-muted-color: #6c757d;
    --qr-surface-color: #ffffff;
    --qr-border-color: #dbe3ef;
}

body, html {
    height: 100%;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--qr-secondary-color);
    color: var(--qr-text-color);
}

.invalid-qr-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    text-align: center;
}

.invalid-qr-error-icon {
    width: 120px;
    height: 120px;
    margin-bottom: 2rem;
    fill: var(--qr-accent-color);
}

.invalid-qr-error-title {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--qr-primary-color);
}

.invalid-qr-error-message {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    max-width: 500px;
}

.invalid-qr-error-code {
    font-size: 0.9rem;
    color: var(--qr-muted-color);
    margin-bottom: 2rem;
    padding: 0.5rem 1rem;
    background-color: #eef3fb;
    border: 1px solid var(--qr-border-color);
    border-radius: 8px;
}

.invalid-qr-home-button {
    display: inline-flex;
    align-items: center;
    padding: 0.7rem 1.6rem;
    background-color: var(--qr-surface-color);
    color: var(--qr-primary-color);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    border: 2px solid var(--qr-accent-color);
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(30, 60, 114, 0.16);
    position: relative;
    overflow: hidden;
}

    .invalid-qr-home-button:before {
        content: "";
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.7s;
    }

    .invalid-qr-home-button:hover {
        background-color: var(--qr-primary-color);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 6px 15px rgba(30, 60, 114, 0.24);
    }

        .invalid-qr-home-button:hover:before {
            left: 100%;
        }

.invalid-qr-pulse {
    animation: invalid-qr-pulse-animation 2s infinite;
}

@keyframes invalid-qr-pulse-animation {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }

    100% {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .invalid-qr-error-icon {
        width: 90px;
        height: 90px;
    }

    .invalid-qr-error-title {
        font-size: 1.5rem;
    }

    .invalid-qr-error-message {
        font-size: 1rem;
    }
}