* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #000000;
    color: #ffffff;
    min-height: 100vh;
    line-height: 1.6;
    transition: all 0.3s ease;
}

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

header {
    text-align: center;
    padding: 40px 20px;
    border-bottom: 1px solid #333;
    margin-bottom: 40px;
}

.logo {
    font-size: 2.8rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, #aaa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sections-container {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    justify-content: center;
    margin-bottom: 50px;
}

.section {
    background-color: #111;
    border-radius: 12px;
    padding: 40px 30px;
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    border: 1px solid #333;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.section:hover {
    transform: translateY(-5px);
    border-color: #666;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.section-header {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #333;
}

.section-icon {
    font-size: 2.2rem;
    margin-right: 15px;
    color: #fff;
}

.section-title {
    font-size: 1.8rem;
    font-weight: 700;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #fff;
    color: #000;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    width: 100%;
    text-align: center;
    margin-bottom: 15px;
    border: 2px solid #fff;
}

.download-btn:hover {
    background-color: transparent;
    color: #fff;
}

.download-btn i {
    margin-right: 10px;
    font-size: 1.4rem;
}

.web-btn {
    background-color: #222;
    color: #fff;
    border: 2px solid #444;
}

.web-btn:hover {
    background-color: #333;
    border-color: #fff;
}

.file-info {
    background-color: #222;
    padding: 15px;
    border-radius: 8px;
    margin-top: 20px;
    border-left: 4px solid #fff;
}

.info-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: #fff;
}

.info-value {
    color: #bbb;
    word-break: break-all;
}

footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid #333;
    color: #777;
    font-size: 0.9rem;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background-color: #222;
    border: 1px solid #444;
    color: #fff;
    padding: 10px 15px;
    border-radius: 50px;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: #333;
}

body.white-theme {
    background-color: #f5f5f5;
    color: #333;
}

.white-theme .section {
    background-color: #fff;
    border: 1px solid #ddd;
    color: #333;
}

.white-theme .section-header {
    border-bottom-color: #ddd;
}

.white-theme .download-btn {
    background-color: #000;
    color: #fff;
    border: 2px solid #000;
}

.white-theme .download-btn:hover {
    background-color: transparent;
    color: #000;
}

.white-theme .web-btn {
    background-color: #f0f0f0;
    color: #333;
    border: 2px solid #ccc;
}

.white-theme .web-btn:hover {
    background-color: #e0e0e0;
    border-color: #333;
}

.white-theme .file-info {
    background-color: #f9f9f9;
    border-left-color: #000;
}

.white-theme .info-title {
    color: #333;
}

.white-theme .info-value {
    color: #666;
}

.white-theme footer {
    border-top-color: #ddd;
    color: #666;
}

.white-theme .theme-toggle {
    background-color: #f0f0f0;
    border: 1px solid #ccc;
    color: #333;
}

.white-theme .theme-toggle:hover {
    background-color: #e0e0e0;
}

@media (max-width: 768px) {
    .sections-container {
        flex-direction: column;
        align-items: center;
    }
    
    .section {
        width: 100%;
        max-width: 100%;
    }
    
    .theme-toggle {
        top: 10px;
        right: 10px;
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}