:root {
    --yellow: #ffff00;
    --gray-bg: #f3f3f3;
    --white: #ffffff;
    --black: #000000;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace;
}

body {
    background-color: var(--gray-bg);
    min-height: 100vh;
    color: #333;
    line-height: 1.5;
}

.container {
    max-width: 600px;
    margin: 5px auto;
    padding: 20px;
}

header {
    text-align: left;
    margin-bottom: 40px;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
}

.title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    padding: 0 5px;
    display: inline-block;
    background: linear-gradient(0deg, var(--yellow) 50%, var(--gray-bg) 0%) 0px -5px;

}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: normal;
    line-height: 1.4;
}

.benefits {
    margin-bottom: 40px;
}

.benefit-item {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.checkmark {
    color: var(--black);
    margin-right: 10px;
    font-weight: bold;
    font-size: xx-large;
    background: linear-gradient(0deg, var(--yellow) 50%, var(--gray-bg) 0%) 0px -5px;
}

.code-section {
    margin-bottom: 30px;
    max-width: 350px;
}

.code-section label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

.code-container {
    background: var(--white);
    padding: 15px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.code {
    font-size: 1.2rem;
    font-weight: bold;
}

.code.blurred {
    filter: blur(4px);
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    pointer-events: none;
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.2s;
}

.copy-btn svg {
    fill: currentColor;
    transition: transform 0.2s;
}

.copy-btn.copied {
    opacity: 0.7;
}

.copy-btn.copied svg {
    transform: scale(0.9);
}

.copy-feedback {
    position: absolute;
    background: var(--black);
    color: var(--white);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    right: calc(100% + 8px);
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.2s;
    pointer-events: none;
}

.copy-btn.copied .copy-feedback {
    opacity: 1;
    transform: translateX(0);
}

.terms-section {
    margin-top: 20px;
}

.terms-label {
    display: flex;
    align-items: left;
    justify-content: space-between;
    max-width: 350px;
    gap: 4px;
}

.link-btn {
    background: none;
    border: none;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

.link-btn:hover, .link-btn:focus {
    text-decoration: none;
    outline: 2px solid transparent;
    outline-offset: 2px;
}

.link-btn:focus {
    text-decoration: underline;
    outline: 2px solid #000;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 24px;
    margin-left: 25px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--black);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

input:focus + .slider {
    box-shadow: 0 0 3px #000;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s, visibility 0.2s;
}

.modal[style*="display: block"] {
    opacity: 1;
    visibility: visible;
    display: flex !important;
}

.modal-content {
    background-color: var(--gray-bg);
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    margin: 20px;
    overflow-y: auto;
    position: relative;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    background: var(--gray-bg);
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-body {
    padding: 20px;
}

.terms-text {
    white-space: pre-wrap;
    line-height: 1.6;
}
.terms-intro {
    line-height: 1.6;
}

.terms-intro a {
    color: #0066cc;
    text-decoration: underline;
}

.terms-intro a:hover {
    text-decoration: none;
}

.terms-intro a:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

/* FAQ in modal styling */
.faq-content {
    line-height: 1.6;
}

.faq-content .faq-item {
    margin-bottom: 20px;
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.faq-content .faq-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.faq-content .faq-item h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.faq-content .faq-item p {
    margin-bottom: 10px;
}

.faq-content a {
    color: var(--black);
    text-decoration: underline;
}

.faq-content a:hover {
    text-decoration: none;
}

.faq-content a:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

/* Screen reader only class */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

@media (max-width: 480px) {
    .container {
        padding: 15px;
    }

    .title {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 1.2rem;
    }

    .modal-content {
        margin: 0;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
    }
}

/* SEO and Accessibility Improvements */
.breadcrumb {
    list-style: none;
    padding: 0;
    margin: 0 0 20px;
    display: flex;
    gap: 8px;
}

.breadcrumb li:not(:last-child):after {
    content: "›";
    margin-left: 8px;
}

.breadcrumb a {
    color: var(--black);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb a:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

article {
    max-width: 100%;
}

/* Footer styles */
footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    text-align: center;
    background: var(--gray-bg);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.footer-links .link-btn {
    color: var(--black);
    text-decoration: underline;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-size: 1rem;
}

.footer-links .link-btn:hover {
    text-decoration: none;
}

/* Modal styles for Impressum */
.modal-body h3 {
    margin: 20px 0 10px;
    font-size: 1.1rem;
}

.modal-body h3:first-child {
    margin-top: 0;
}

.modal-body p {
    margin-bottom: 15px;
    line-height: 1.6;
}

/* Print styles */
@media print {
    .modal, .copy-btn, footer {
        display: none !important;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .code.blurred {
        filter: none;
    }
}

/* FAQ Page Styles */
.faq-section {
    margin: 30px 0;
}

.faq-item {
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h2 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.faq-item p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.faq-item ul, .faq-item ol {
    margin-left: 20px;
    margin-bottom: 15px;
}

.faq-item li {
    margin-bottom: 5px;
    line-height: 1.5;
}

.cta-section {
    background-color: var(--white);
    padding: 25px;
    border-radius: 8px;
    margin: 40px 0;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.cta-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.cta-section p {
    margin-bottom: 20px;
}

.cta-button {
    display: inline-block;
    background-color: var(--black);
    color: var(--white);
    padding: 12px 24px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.2s;
}

.cta-button:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.cta-button:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

a {
    color: #0066cc;
    text-decoration: underline;
}

a:hover {
    text-decoration: none;
}

a:focus {
    outline: 2px solid #000;
    outline-offset: 2px;
}

.faq-link-section {
    margin-top: 30px;
    text-align: center;
}

.faq-link-section .link-btn {
    display: inline-block;
    padding: 10px 0;
    color: var(--black);
    text-decoration: underline;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
}

.faq-link {
    display: none;
}

.faq-link:hover {
    display: none;
}

.faq-link:focus {
    display: none;
}