:root {
    --bg-color: #f0f2f5;
    --container-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #666666;
    --shadow-color: rgba(0,0,0,0.1);
    --btn-bg: #4CAF50;
    --btn-hover: #45a049;
    --ball-bg: #f0f2f5;
    --ball-shadow: rgba(0,0,0,0.2);
    --nav-bg: rgba(255, 255, 255, 0.9);
    --accent-color: #4CAF50;
}

body.dark-theme {
    --bg-color: #1a1a1a;
    --container-bg: #2d2d2d;
    --text-color: #f0f2f5;
    --text-muted: #aaaaaa;
    --shadow-color: rgba(0,0,0,0.4);
    --btn-bg: #3e8e41;
    --btn-hover: #4CAF50;
    --ball-bg: #404040;
    --ball-shadow: rgba(0,0,0,0.5);
    --nav-bg: rgba(45, 45, 45, 0.9);
}

* {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--nav-bg);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow-color);
    padding: 10px 0;
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.nav-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--accent-color);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
    margin: 0;
    padding: 0;
}

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

.nav-links a:hover {
    color: var(--accent-color);
}

/* Main Container */
.container {
    max-width: 1000px;
    margin: 80px auto 40px;
    padding: 20px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

/* Generator Section */
.generator-section {
    padding: 60px 20px;
    text-align: center;
}

.lotto-machine {
    background-color: var(--container-bg);
    border-radius: 24px;
    padding: 48px;
    box-shadow: 0 12px 32px var(--shadow-color);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    display: inline-block;
    width: 100%;
    max-width: 600px;
}

.lotto-balls {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 32px;
}

.generate-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 12px;
    box-shadow: 0 6px 12px var(--shadow-color);
    transition: all 0.3s ease;
}

.generate-btn:hover {
    background-color: var(--btn-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px var(--shadow-color);
}

.generate-btn:active {
    transform: translateY(0);
}

/* Info Sections */
.info-section {
    margin-top: 60px;
    padding: 40px;
    background-color: var(--container-bg);
    border-radius: 20px;
    box-shadow: 0 4px 15px var(--shadow-color);
    text-align: left;
}

.info-section h2 {
    color: var(--accent-color);
    margin-bottom: 20px;
    border-left: 5px solid var(--accent-color);
    padding-left: 15px;
}

.info-section h3 {
    margin-top: 25px;
}

.faq-item {
    margin-bottom: 25px;
}

.faq-item h3 {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 10px;
}

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--container-bg);
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    padding: 10px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-weight: bold;
    z-index: 1001;
    box-shadow: 0 4px 10px var(--shadow-color);
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--accent-color);
    color: white;
}

/* Contact Section */
.contact-section {
    margin-top: 60px;
    padding: 40px;
    background-color: var(--container-bg);
    border-radius: 20px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-size: 14px;
    font-weight: bold;
}

.form-group input, .form-group textarea {
    padding: 14px;
    border: 1px solid var(--shadow-color);
    border-radius: 10px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    transition: border-color 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
}

.submit-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 14px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

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

/* Comments */
.comments-section {
    margin-top: 60px;
    padding: 40px;
    background-color: var(--container-bg);
    border-radius: 20px;
    box-shadow: 0 4px 15px var(--shadow-color);
}

/* Consent Banner */
.consent-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--container-bg);
    box-shadow: 0 -4px 15px var(--shadow-color);
    padding: 20px;
    z-index: 2000;
    border-top: 1px solid var(--shadow-color);
}

.consent-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.consent-content p {
    font-size: 14px;
    margin: 0;
    color: var(--text-muted);
}

.consent-buttons {
    display: flex;
    gap: 15px;
}

.consent-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.consent-btn.accept {
    background-color: var(--accent-color);
    color: white;
}

.consent-btn.deny {
    background-color: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .consent-content {
        flex-direction: column;
        text-align: center;
    }
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
}

.footer-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 30px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-color);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* In a real app, implement a hamburger menu */
    }
    
    .lotto-machine {
        padding: 24px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .info-section {
        padding: 20px;
    }
}