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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
    color: white;
    min-height: 100vh;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255,255,255,0.2);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

p {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.steam-login-btn {
    display: block;
    width: 180px;
    margin: 2rem auto;
    transition: transform 0.2s;
}

.steam-login-btn:hover {
    transform: scale(1.05);
}

.info {
    background: rgba(0,0,0,0.3);
    padding: 1.5rem;
    border-radius: 10px;
    margin-top: 2rem;
}

.info p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.logout-btn {
    background: #ff4757;
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.logout-btn:hover {
    background: #ff3742;
}

.user-info {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    text-align: center;
}

.avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid #fff;
    margin: 0 auto 1rem;
}

.username {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.steam-id {
    font-size: 0.9rem;
    color: #aaa;
    margin-bottom: 1rem;
}

.profile-link {
    display: inline-block;
    background: #1b2838;
    color: white;
    padding: 0.5rem 1rem;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s;
}

.profile-link:hover {
    background: #2a3d55;
}

.content ul {
    list-style-type: none;
    padding: 1rem 0;
}

.content li {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.content li:before {
    content: "? ";
    color: #2ecc71;
    font-weight: bold;
}

.loading {
    font-size: 1.2rem;
    color: #ddd;
}

.error {
    color: #ff4757;
    font-weight: bold;
}

@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .header {
        flex-direction: column;
        gap: 1rem;
    }
}