body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    color: #ffffff;
    background: linear-gradient(rgba(10,10,30,0.85), rgba(0,40,60,0.85)),
                url('images/background.jpg') no-repeat center center fixed;
    background-size: cover;
}

/* NAVBAR */
.navbar {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
}

.navbar a {
    color: #fff;
    margin: 0 15px;
    text-decoration: none;
}

.navbar a:hover {
    color: #00d4ff;
}

/* CONTAINER */
.container {
    width: 80%;
    margin: auto;
    padding: 40px 0;
}

/* POST CARD */
.post {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    transition: 0.3s;
}

.post:hover {
    background: rgba(255,255,255,0.1);
}

/* COMMENTS */
.comments {
    margin-top: 40px;
}

.comment-box textarea {
    width: 100%;
    height: 100px;
    border-radius: 8px;
    border: none;
    padding: 10px;
}

.comment-box button {
    margin-top: 10px;
    padding: 10px 20px;
    background: #00d4ff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

.comment {
    background: rgba(255,255,255,0.08);
    padding: 10px;
    margin-top: 10px;
    border-radius: 6px;
}