body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; display: flex; margin: 0; background: #0f0f0f; color: #fff; overflow-x: hidden; }
.sidebar { width: 240px; height: 100vh; background: #161616; padding: 20px; display: flex; flex-direction: column; position: fixed; border-right: 1px solid #333; z-index: 100; transition: all 0.3s ease; }
.sidebar .logo { font-size: 1.5rem; font-weight: bold; color: #00ff00; margin-bottom: 30px; display: flex; align-items: center; gap: 10px; }
.sidebar .logo img { width: 30px; height: 30px; }
.sidebar nav a { color: #aaa; text-decoration: none; margin: 15px 0; display: flex; align-items: center; gap: 12px; font-size: 1.1rem; transition: color 0.2s; }
.sidebar nav a:hover { color: #fff; }
.sidebar nav a img { width: 20px; height: 20px; filter: invert(1); }

main { margin-left: 280px; padding: 40px; width: calc(100% - 280px); animation: fadeIn 0.8s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.package-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 20px; }
.package-card { 
    background: #1e1e1e; 
    padding: 25px; 
    border-radius: 12px; 
    text-align: center; 
    cursor: pointer; 
    border: 1px solid #333;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.package-card:hover { 
    background: #252525; 
    transform: translateY(-8px); 
    border-color: #00ff00;
    box-shadow: 0 10px 20px rgba(0,255,0,0.1);
}
.package-card h3 { margin: 0; font-size: 1.4rem; display: flex; align-items: center; justify-content: center; gap: 8px; }
.package-card p { color: #00ff00; font-weight: bold; font-size: 1.1rem; margin-top: 10px; }
.package-card img.robux-icon { width: 24px; height: 24px; }

.activity-feed { 
    background: rgba(0,255,0,0.05); 
    padding: 15px; 
    border-radius: 10px; 
    margin-bottom: 30px; 
    border: 1px solid rgba(0,255,0,0.2);
    max-width: 600px;
}
.activity-item { 
    padding: 8px; 
    border-bottom: 1px solid rgba(255,255,255,0.1); 
    font-size: 0.95rem; 
    color: #00ff00; 
    animation: slideIn 0.5s ease;
}
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.btn { 
    background: #00ff00; 
    color: #000; 
    padding: 12px 24px; 
    text-align: center; 
    border-radius: 8px; 
    cursor: pointer; 
    display: inline-block; 
    font-weight: bold; 
    border: none;
    transition: transform 0.2s;
}
.btn:hover { transform: scale(1.05); background: #00cc00; }

.crypto-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 15px; margin-top: 20px; }
.crypto-btn { 
    background: #222; 
    border: 1px solid #444; 
    padding: 15px; 
    border-radius: 10px; 
    color: #fff; 
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    transition: 0.2s;
}
.crypto-btn:hover { border-color: #00ff00; background: #2a2a2a; }
.crypto-btn img { width: 32px; height: 32px; }

form { background: #161616; padding: 40px; border-radius: 15px; width: 100%; max-width: 400px; margin: 100px auto; border: 1px solid #333; }
form input { width: 100%; margin: 15px 0; padding: 12px; background: #222; border: 1px solid #444; color: #fff; border-radius: 8px; }
form input:focus { border-color: #00ff00; outline: none; }