.checker-area {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    background: rgba(0, 0, 0, 0.2);
    cursor: crosshair;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.checker-area:hover {
    border-color: var(--primary-color);
    background: rgba(56, 189, 248, 0.05);
}

.hz-display {
    font-size: 6rem;
    font-weight: 700;
    color: var(--primary-color);
    text-shadow: 0 0 20px rgba(56, 189, 248, 0.5);
    font-family: 'JetBrains Mono', monospace;
    line-height: 1;
    margin-bottom: 2rem;
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.hz-label {
    font-size: 2rem;
    color: var(--text-muted);
    font-weight: 400;
}

.stats {
    display: flex;
    gap: 3rem;
}

.stat-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 600;
    color: white;
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.instructions {
    position: absolute;
    bottom: 20px;
    color: rgba(255,255,255,0.4);
    font-size: 0.9rem;
}