* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    color: #1a1a2e;
    line-height: 1.6;
}
header {
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
    color: #fff;
    padding: 1rem 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}
.logo {
    font-size: 1.5rem;
    font-weight: bold;
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}
.nav-links a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}
.nav-links a:hover {
    opacity: 0.8;
}
.hamburger {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
}
.hero {
    text-align: center;
    padding: 3rem 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}
.hero h1 {
    font-size: 2.2rem;
    margin-bottom: 1rem;
}
.search-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}
.search-filter input, .search-filter select {
    padding: 0.8rem 1.2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    outline: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.version-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
.card {
    background: #fff;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}
.version-badge {
    background: #1da1f2;
    color: #fff;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
}
.security-badge {
    display: inline-block;
    background: #28a745;
    color: #fff;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    margin: 0.5rem 0;
}
.download-btn {
    display: inline-block;
    background: linear-gradient(135deg, #1da1f2, #0d8bd9);
    color: #fff;
    padding: 0.7rem 1.8rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    margin-top: 0.5rem;
}
.download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(29,161,242,0.4);
}
.reviews, .changelog {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}
.reviews h2, .changelog h2 {
    text-align: center;
    margin-bottom: 1.5rem;
    font-size: 1.8rem;
}
.review-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.review-card {
    background: #fff;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.stars {
    color: #f39c12;
    font-size: 1.2rem;
}
.author {
    margin-top: 0.8rem;
    font-style: italic;
    color: #666;
}
.log-item {
    background: #fff;
    border-radius: 15px;
    padding: 1.2rem;
    margin-bottom: 1rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.log-item ul {
    padding-left: 1.5rem;
}
.compare-table {
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    border-collapse: collapse;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}
.compare-table th, .compare-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid #eee;
}
.compare-table th {
    background: #1da1f2;
    color: #fff;
}
.ranking-list {
    max-width: 600px;
    margin: 2rem auto;
    list-style: none;
}
.ranking-list li {
    background: #fff;
    padding: 1rem 1.5rem;
    margin-bottom: 0.8rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.rank {
    background: #1da1f2;
    color: #fff;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}
.security-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 2rem;
}
.security-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    font-size: 1.1rem;
    color: #28a745;
}
.lang-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 2rem;
}
.lang-card {
    background: #fff;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
footer {
    background: #1a1a2e;
    color: #fff;
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
}
footer a {
    color: #1da1f2;
    text-decoration: none;
}
.admin-login {
    max-width: 400px;
    margin: 5rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}
.admin-login form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}
.admin-login input {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 10px;
}
.admin-login button {
    padding: 0.8rem;
    background: #1da1f2;
    color: #fff;
    border: none;
    border-radius: 10px;
    cursor: pointer;
}
.admin-panel {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 2rem;
}
.admin-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}
.admin-form input, .admin-form button {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 10px;
}
.admin-form button {
    background: #1da1f2;
    color: #fff;
    border: none;
    cursor: pointer;
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: 15px;
    overflow: hidden;
}
.admin-table th, .admin-table td {
    padding: 0.8rem;
    border-bottom: 1px solid #eee;
    text-align: left;
}
.error { color: #e74c3c; }
.success { color: #28a745; }
@media (max-width: 768px) {
    .nav-links { display: none; flex-direction: column; background: #1da1f2; position: absolute; top: 60px; right: 0; width: 200px; border-radius: 0 0 10px 10px; }
    .nav-links.active { display: flex; }
    .hamburger { display: block; }
    .hero h1 { font-size: 1.5rem; }
    .search-filter { flex-direction: column; align-items: center; }
    .search-filter input, .search-filter select { width: 90%; }
}