:root {
    /* Dark theme variables (default) */
    --primary-color: #1a1a1a;
    --primary-light: #333333;
    --primary-dark: #000000;
    --secondary-color: #242424;
    --accent-color: #3a3a3a;
    --text-color: #e6e6e6;
    --text-light: #b0b0b0;
    --highlight-color: #6c6c6c;
    --danger-color: #a81c1c;
    --bg-color: #0d0d0d;
    --card-bg: #1c1c1c;
    --card-border: #333;
    --card-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
    --gradient-bg: linear-gradient(135deg, #121212, #000000);
    --header-opacity: 0.3;
    --footer-bg: var(--primary-dark);
    --footer-border: var(--card-border);

    /* Light theme variables */
    --light-primary-color: #ffffff;
    --light-primary-light: #f5f5f5;
    --light-primary-dark: #e0e0e0;
    --light-secondary-color: #f0f0f0;
    --light-accent-color: #d1d1d1;
    --light-text-color: #333333;
    --light-text-light: #555555;
    --light-highlight-color: #999999;
    --light-danger-color: #cc2c2c;
    --light-bg-color: #f9f9f9;
    --light-card-bg: #ffffff;
    --light-card-border: #e0e0e0;
    --light-card-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    --light-gradient-bg: linear-gradient(135deg, #f0f0f0, #ffffff);
    --light-header-opacity: 0.15;
    --light-footer-bg: #f0f0f0;
    --light-footer-border: #e0e0e0;
}

body.light-mode {
    --primary-color: var(--light-primary-color);
    --primary-light: var(--light-primary-light);
    --primary-dark: var(--light-primary-dark);
    --secondary-color: var(--light-secondary-color);
    --accent-color: var(--light-accent-color);
    --text-color: var(--light-text-color);
    --text-light: var(--light-text-light);
    --highlight-color: var(--light-highlight-color);
    --danger-color: var(--light-danger-color);
    --bg-color: var(--light-bg-color);
    --card-bg: var(--light-card-bg);
    --card-border: var(--light-card-border);
    --card-shadow: var(--light-card-shadow);
    --gradient-bg: var(--light-gradient-bg);
    --header-opacity: var(--light-header-opacity);
    --footer-bg: var(--light-footer-bg);
    --footer-border: var(--light-footer-border);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    background: var(--gradient-bg);
    color: white;
    padding: 80px 0 120px;
    position: relative;
    overflow: hidden;
    transition: background 0.3s ease;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;base64,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');
    background-size: cover;
    opacity: var(--header-opacity);
    z-index: 0;
    transition: opacity 0.3s ease;
}

.header-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.logo {
    width: 150px;
    height: 150px;
    margin-bottom: 30px;
    box-shadow: none;
    background: transparent;
    filter: invert(0);
    transition: filter 0.3s ease;
}

body.light-mode .logo {
    filter: invert(0);
}

body.dark-mode .logo {
    filter: invert(1);
}

h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 3.8rem;
    margin-bottom: 20px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

body.light-mode h1 {
    color: var(--text-color);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.tagline {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 300;
}

body.light-mode .tagline {
    color: var(--text-light);
}

.version-badge {
    display: inline-block;
    background-color: rgba(168, 28, 28, 0.8);
    color: white;
    padding: 5px 15px;
    border-radius: 3px;
    font-size: 1rem;
    margin-bottom: 30px;
    font-family: 'Rajdhani', sans-serif;
    letter-spacing: 1px;
    font-weight: 600;
    text-transform: uppercase;
}

.main-content {
    margin-top: -60px;
    position: relative;
    z-index: 10;
}

.download-card {
    background-color: var(--card-bg);
    border-radius: 5px;
    box-shadow: var(--card-shadow);
    padding: 40px;
    margin-bottom: 40px;
    border: 1px solid var(--card-border);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.section-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 15px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.platform-card {
    background-color: var(--secondary-color);
    border: 1px solid var(--card-border);
    border-radius: 5px;
    padding: 25px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--danger-color), var(--primary-light));
    opacity: 0;
    transition: var(--transition);
}

.platform-card:hover {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    transform: translateY(-5px);
}

.platform-card:hover::before {
    opacity: 1;
}

.platform-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 15px;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

body.light-mode .platform-icon {
    background-color: var(--light-primary-dark);
    color: var(--light-text-color);
}

.platform-name {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-color);
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.platform-arch {
    margin-bottom: 20px;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.select-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--danger-color), #740f0f);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 3px;
    font-weight: 500;
    transition: var(--transition);
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Rajdhani', sans-serif;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
    margin-top: 10px;
    font-size: 1rem;
    box-sizing: border-box;
    outline: none;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.select-btn:focus {
    outline: none;
}

.select-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.select-btn:hover {
    background: linear-gradient(135deg, #8a1414, var(--danger-color));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(168, 28, 28, 0.3);
}

.select-btn:hover::after {
    left: 100%;
}

.download-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--danger-color), #740f0f);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 3px;
    font-weight: 500;
    transition: var(--transition);
    width: 100%;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: 'Rajdhani', sans-serif;
    position: relative;
    overflow: hidden;
}

.download-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.download-btn:hover {
    background: linear-gradient(135deg, #8a1414, var(--danger-color));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(168, 28, 28, 0.3);
}

.download-btn:hover::after {
    left: 100%;
}

.download-info {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 10px;
    transition: color 0.3s ease;
}

.release-notes {
    margin-top: 40px;
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 5px;
    border: 1px solid var(--card-border);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.notes-title {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-left: 3px solid var(--danger-color);
    padding-left: 15px;
    transition: color 0.3s ease, border-color 0.3s ease;
}

.notes-list {
    list-style-type: none;
}

.notes-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.notes-list li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background-color: var(--danger-color);
    border-radius: 50%;
    transition: background-color 0.3s ease;
}

.changelog-card {
    background-color: var(--card-bg);
    border-radius: 5px;
    box-shadow: var(--card-shadow);
    padding: 40px;
    margin-bottom: 40px;
    border: 1px solid var(--card-border);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.changelog-entry {
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--card-border);
    transition: border-color 0.3s ease;
}

.changelog-entry:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.changelog-version {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.changelog-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-left: 15px;
    font-family: 'IBM Plex Sans', sans-serif;
    text-transform: none;
    letter-spacing: normal;
    transition: color 0.3s ease;
}

.changelog-notes {
    list-style-type: none;
    margin-top: 15px;
}

.changelog-notes li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: var(--text-light);
    transition: color 0.3s ease;
}

.changelog-notes li:before {
    content: '•';
    position: absolute;
    left: 5px;
    color: var(--danger-color);
    font-weight: bold;
    transition: color 0.3s ease;
}

footer {
    background-color: var(--footer-bg);
    color: var(--text-color);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--footer-border);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.footer-logo {
    width: 60px;
    margin-bottom: 20px;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    filter: invert(0);
    transition: filter 0.3s ease;
}

body.light-mode .footer-logo {
    filter: invert(0);
}

body.dark-mode .footer-logo {
    filter: invert(1);
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-link {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
    font-family: 'Rajdhani', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
}

.footer-link:hover {
    color: var(--text-color);
}

.footer-copyright {
    font-size: 0.9rem;
    color: var(--text-light);
    opacity: 0.7;
    transition: color 0.3s ease;
}

.admin-link {
    display: inline-block;
    margin-top: 20px;
    color: var(--text-light);
    opacity: 0.5;
    text-decoration: none;
    font-size: 0.8rem;
    transition: var(--transition);
}

.admin-link:hover {
    color: var(--danger-color);
}

/* Freedom quote */
.freedom-quote {
    background-color: var(--secondary-color);
    padding: 25px;
    border-radius: 5px;
    margin: 40px 0;
    text-align: center;
    border-left: 3px solid var(--danger-color);
    font-style: italic;
    color: var(--text-light);
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
}

.freedom-quote p::before {
    content: '"';
}

.freedom-quote p::after {
    content: '"';
}

.freedom-quote .author {
    margin-top: 15px;
    font-style: normal;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

/* Theme toggle switch */
.theme-switch-wrapper {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #333;
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: .4s;
    width: 26px;
    border-radius: 50%;
}

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

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

.theme-icon {
    color: var(--text-color);
    margin: 0 10px;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    header {
        padding: 50px 0 100px;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .tagline {
        font-size: 1.2rem;
    }
    
    .download-card, .changelog-card {
        padding: 30px;
    }
    
    .platform-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    header {
        padding: 40px 0 80px;
    }
    
    h1 {
        font-size: 2rem;
        letter-spacing: 1px;
    }
    
    .logo {
        width: 120px;
        height: 120px;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    .download-card, .changelog-card {
        padding: 20px;
    }
    
    .platform-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    .theme-switch-wrapper {
        top: 10px;
        right: 10px;
    }
}

/* Architecture Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background-color: var(--card-bg);
    width: 90%;
    max-width: 600px;
    border-radius: 8px;
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    padding: 30px;
    position: relative;
    transform: translateY(-20px);
    transition: transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.5rem;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
    background: none;
    border: none;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--text-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.modal-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--accent-color);
    transition: color 0.3s ease, border-color 0.3s ease;
}

.architectures-list {
    max-height: 400px;
    overflow-y: auto;
    padding-right: 10px;
}

.architecture-item {
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

body.light-mode .architecture-item {
    background-color: rgba(0, 0, 0, 0.02);
}

.architecture-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

body.light-mode .architecture-item:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.architecture-item h4 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 5px;
    color: var(--text-color);
    font-weight: 600;
}

.arch-description {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 5px;
    max-width: 350px;
}

.recommendation-badge {
    display: inline-block;
    background-color: rgba(22, 163, 74, 0.8);
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 0.75rem;
    margin-top: 5px;
    font-weight: 500;
}

/* Add responsive styles for the modal */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        padding: 20px;
    }
    
    .architecture-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .architecture-item .download-btn {
        margin-top: 15px;
        width: 100%;
        text-align: center;
    }
    
    .arch-description {
        max-width: 100%;
    }
}