body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #f8fafc;
    margin: 0;
    padding: 0;
}
/* Container */
.container {
    margin: 40px auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #f8fafc;
}

.title {
    text-align: center;
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 30px;
}

/* Input group */
.input-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

    .input-group select,
    .input-group input {
        flex: 1;
        padding: 10px;
        border-radius: 10px;
        border: none;
        background-color: #1e293b;
        color: #f8fafc;
        font-size: 1rem;
    }

        .input-group select:focus,
        .input-group input:focus {
            outline: 2px solid #3b82f6;
        }

/* Cards */
.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: space-around;
    margin-bottom: 30px;
}

.card {
    flex: 1;
    font-size: 1.8rem;
    min-width: 150px;
    background-color: #1e293b;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    padding: 20px;
    text-align: center;
    transition: transform 0.2s;
    display:block!important;
}

    .card:hover {
        transform: translateY(-5px);
    }

    .card h5 {
        font-weight: 600;
        margin-bottom: 10px;
    }

    .card .value {
        font-size: 1.8rem;
        font-weight: 700;
    }

/* Chart Card */
.chart-card {
    background-color: #1e293b;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    padding: 20px;
}

#tradingview_chart {
    height: 400px;
    width: 100%;
}

/* ROI / PnL Renkler (JS ile uygulanacak) */
.positive {
    color: #22c55e; /* yeşil */
}

.negative {
    color: #ef4444; /* kırmızı */
}