:root {
    --primary-color: #f7931a;
    --secondary-color: #4a4a4a;
    --background-color: #f8f9fa;
    --card-background: #ffffff;
    --text-color: #333333;
    --positive-color: #00c853;
    --negative-color: #ff3d00;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: var(--card-background);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.coin-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.coin-info img {
    width: 40px;
    height: 40px;
}

.coin-info h1 {
    font-size: 1.8rem;
}

.symbol {
    color: var(--secondary-color);
    font-size: 1rem;
    margin-left: 0.5rem;
}

.price-container {
    text-align: right;
}

#current-price {
    font-size: 2rem;
    font-weight: bold;
}

#price-change {
    font-size: 1.1rem;
}

.chart-container {
    background-color: var(--card-background);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    height: 500px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background-color: var(--card-background);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.stat-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-card h3 {
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.stat-card p {
    font-size: 1.2rem;
    font-weight: bold;
}

.converter-section {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.converter-section h2 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.converter {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group input {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1.1rem;
    width: 150px;
}

.input-group span {
    font-weight: bold;
    color: var(--secondary-color);
}

.positive {
    color: var(--positive-color);
}

.negative {
    color: var(--negative-color);
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .price-container {
        text-align: center;
    }

    .converter {
        flex-direction: column;
    }
}