:root {
    --bg-color: #0b0e14;
    --card-bg: rgba(22, 27, 34, 0.7);
    --text-main: #f0f6fc;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --positive: #3fb950;
    --negative: #f85149;
    --gold: #ffd700;
    --silver: #c0c0c0;
    --copper: #b87333;
    --oil: #8a2be2;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    min-height: 100vh;
    padding: 2rem;
    background-image: radial-gradient(circle at top right, rgba(88, 166, 255, 0.05), transparent 40%),
                      radial-gradient(circle at bottom left, rgba(138, 43, 226, 0.05), transparent 40%);
}

.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

h1 {
    font-weight: 800;
    font-size: 2.5rem;
    letter-spacing: -1px;
    background: linear-gradient(90deg, #fff, #8b949e);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#status-indicator {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    background: rgba(63, 185, 80, 0.1);
    color: var(--positive);
    border: 1px solid rgba(63, 185, 80, 0.2);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 600;
}

.card-price {
    font-size: 2rem;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.card-details {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.detail-item span {
    display: block;
    font-weight: 600;
    color: var(--text-main);
    font-variant-numeric: tabular-nums;
}

.chart-container {
    flex-grow: 1;
    position: relative;
    height: 200px;
    width: 100%;
}

.loading {
    text-align: center;
    font-size: 1.2rem;
    color: var(--text-muted);
    grid-column: 1 / -1;
    padding: 4rem;
}

@media (max-width: 768px) {
    .cards-grid {
        grid-template-columns: 1fr;
    }
    body {
        padding: 1rem;
    }
}