:root {
    --bg-color: #f0f0f0;
    --text-color: #333;
    --container-bg: #fff;
    --container-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    --number-bg: #eee;
    --number-text: #333;
    --button-bg: #007bff;
    --button-text: #fff;
    --button-hover-bg: #0056b3;
    --input-bg: #fff;
    --input-border: #ccc;
    --input-text: #333;
    --banner-bg: #fff;
    --banner-text: #333;
    --banner-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --bg-color: #121212;
    --text-color: #f0f0f0;
    --container-bg: #1e1e1e;
    --container-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
    --number-bg: #333;
    --number-text: #f0f0f0;
    --button-bg: #0d6efd;
    --button-text: #fff;
    --button-hover-bg: #0b5ed7;
    --input-bg: #2d2d2d;
    --input-border: #444;
    --input-text: #f0f0f0;
    --banner-bg: #1e1e1e;
    --banner-text: #f0f0f0;
    --banner-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    flex: 1;
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 3rem;
    box-sizing: border-box;
}

/* --- Header --- */
.site-header {
    background: var(--container-bg);
    box-shadow: var(--container-shadow);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--button-bg);
}

.site-header nav {
    display: flex;
    gap: 1.5rem;
}

.site-header nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

.site-header nav a:hover {
    color: var(--button-bg);
}

/* --- GDPR Consent Banner --- */
.consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--banner-bg);
    color: var(--banner-text);
    padding: 1rem 2rem;
    box-shadow: var(--banner-shadow);
    z-index: 9999;
    box-sizing: border-box;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.consent-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
}

@media (min-width: 768px) {
    .consent-content {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.consent-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.consent-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: bold;
    transition: background-color 0.3s;
}

.consent-btn.primary {
    background: var(--button-bg);
    color: var(--button-text);
}

.consent-btn.secondary {
    background: #6c757d;
    color: #fff;
}

.consent-btn.tertiary {
    background: none;
    text-decoration: underline;
    color: var(--text-color);
}

.consent-btn:hover {
    filter: brightness(1.2);
}

.lotto-machine, .contact-form, .comments-container, .classifier-container, .info-section {
    width: 100%;
    max-width: 800px;
    text-align: center;
    background: var(--container-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--container-shadow);
    transition: background-color 0.3s, box-shadow 0.3s;
    position: relative;
    box-sizing: border-box;
}

.contact-form, .comments-container, .classifier-container, .info-section {
    text-align: left;
}

.info-section h2 {
    margin-top: 0;
    color: var(--button-bg);
    text-align: center;
}

.tool-description {
    margin-bottom: 2rem;
    line-height: 1.6;
    color: var(--text-color);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* --- Footer --- */
.site-footer {
    background: var(--container-bg);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
    border-top: 1px solid var(--input-border);
}

.footer-links {
    margin-top: 1rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    text-decoration: underline;
}

/* --- Modal --- */
.modal {
    display: none;
    position: fixed;
    z-index: 10001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: var(--container-bg);
    margin: 10% auto;
    padding: 2.5rem;
    border-radius: 12px;
    width: 80%;
    max-width: 700px;
    position: relative;
    line-height: 1.6;
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 15px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.contact-form h2, .comments-container h2, .classifier-container h2 {
    text-align: center;
    margin-top: 0;
}

.classifier-container .upload-area {
    margin-bottom: 1.5rem;
}

.preview-container {
    width: 100%;
    margin-bottom: 1.5rem;
    text-align: center;
}

.preview-container img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 5px;
    border: 1px solid var(--input-border);
}

.result-container {
    margin-top: 1rem;
    font-size: 1.1rem;
    font-weight: bold;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: var(--number-bg);
    border-radius: 5px;
    color: var(--number-text);
}

.result-item.highlight {
    background: var(--button-bg);
    color: var(--button-text);
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 5px;
    border: 1px solid var(--input-border);
    background-color: var(--input-bg);
    color: var(--input-text);
    box-sizing: border-box; /* Ensures padding doesn't affect width */
    font-family: inherit;
    transition: background-color 0.3s, border-color 0.3s;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    width: 100%;
    padding: 0.8rem;
    border: none;
    border-radius: 5px;
    background-color: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: var(--button-hover-bg);
}

#theme-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: background-color 0.3s;
}

#theme-toggle:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] #theme-toggle:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.number-display {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 2rem 0;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--number-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--number-text);
    transition: background-color 0.3s, color 0.3s;
}

#generate-btn {
    padding: 10px 20px;
    font-size: 1rem;
    border: none;
    border-radius: 5px;
    background-color: var(--button-bg);
    color: var(--button-text);
    cursor: pointer;
    transition: background-color 0.3s;
}

#generate-btn:hover {
    background-color: var(--button-hover-bg);
}