/* Grundeinstellungen */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;

    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: #252525;

    background: #f1f3f5;

    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Zentrale Infobox */
.error-container {
    width: 100%;
    max-width: 560px;
    background: #ffffff;
    border: 1px solid #dedede;
    border-radius: 8px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.07);
    overflow: hidden;
}

/* Kopfbereich */
.error-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e5e5e5;
}

.info-icon {
    width: 32px;
    height: auto;
    flex-shrink: 0;
}

.error-header h1 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
}

/* Inhalt */
.error-content {
    padding: 28px 30px;
}

.intro {
    margin: 0 0 24px;
    font-size: 16px;
}

hr {
    border: 0;
    border-top: 1px solid #dedede;
    margin: 24px 0;
}

.error-content h2 {
    margin: 0 0 14px;
    font-size: 15px;
    font-weight: 600;
}

.error-content ul {
    margin: 0;
    padding-left: 22px;
}

.error-content li {
    padding: 4px 0;
}

/* Fußbereich */
.error-footer {
    padding: 16px 30px;
    background: #f8f9fa;
    border-top: 1px solid #e5e5e5;
    font-size: 12px;
    color: #777;
}

.error-footer span {
    float: right;
}

/* Mobile Darstellung */
@media (max-width: 480px) {
    body {
        padding: 12px;
    }

    .error-header,
    .error-content {
        padding: 22px 20px;
    }

    .error-header {
        gap: 14px;
    }

    .error-header h1 {
        font-size: 18px;
    }

    .error-footer {
        padding: 14px 20px;
    }
}