:root {
    --bg-core: #0a0b0d;
    --bg-surface: #15191d;
    --primary: #f59e0b;
    --primary-glow: rgba(245, 158, 11, 0.2);
    --up: #2dd4bf;
    --down: #f43f5e;
    --text-main: #e2e8f0;
    --text-dim: #94a3b8;
    --border: rgba(255, 255, 255, 0.1);
}

body {
    margin: 0;
    font-family: 'Space Grotesk', sans-serif;
    background-color: var(--bg-core);
    color: var(--text-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 600px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 12px;
    position: relative;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.back-link {
    text-decoration: none;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
}

h1 {
    font-size: 1.5rem;
    margin: 0;
    text-transform: uppercase;
    color: var(--primary);
}

.market-section-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: var(--primary);
    margin-bottom: 12px;
    padding-left: 5px;
    border-left: 2px solid var(--primary);
    letter-spacing: 2px;
}

.market-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 25px;
}

.stock-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
    margin-bottom: 30px;
}

@media (max-width: 500px) {
    .stock-grid {
        grid-template-columns: 1fr;
    }
}

.market-card {
    padding: 15px;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.market-card::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255, 255, 255, 0.02), transparent);
    pointer-events: none;
}

.label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-bottom: 10px;
}

.price {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.change {
    font-size: 0.9rem;
    font-weight: 700;
}

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

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

.chart-container {
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--primary);
    margin-bottom: 30px;
}

#refresh-btn {
    width: 100%;
    padding: 15px;
    background: var(--primary);
    color: var(--bg-core);
    border: none;
    border-radius: 4px;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
}