body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #020617;
    color: white;
}

/* HEADER */
.header {
    background: #065f46;
    padding: 20px;
    font-size: 22px;
    font-weight: bold;
}

/* CARD */
.card {
    background: #0f172a;
    margin: 15px;
    padding: 15px;
    border-radius: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* BUY SELL */
.badge {
    background: black;
    padding: 10px;
    border-radius: 10px;
    font-size: 12px;
}

.buy { color: #22c55e; }
.sell { color: #f43f5e; }

/* BUTTON */
.btn {
    background: linear-gradient(90deg,#22c55e,#16a34a);
    border: none;
    padding: 10px;
    border-radius: 10px;
    color: white;
}

/* NAV BOTTOM */
.navbar {
    position: fixed;
    bottom: 0;
    width: 100%;
    background: #020617;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    border-top: 1px solid #1f2937;
}

.navbar a {
    color: gray;
    text-decoration: none;
    font-size: 14px;
}

.navbar a.active {
    color: #22c55e;
}

/* MOBILE */
@media(max-width:600px){
    .card {
        flex-direction: column;
        align-items: flex-start;
    }
}