.speed-display {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin: 24px 0;
    text-align: center;
}

.metric-card {
    background: var(--control-bg);
    border: 1px solid var(--control-outline);
    border-radius: 12px;
    padding: 16px;
    transition: transform 0.2s;
}

.metric-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-accent);
    margin: 8px 0;
    font-family: ui-monospace, monospace;
}

.metric-label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-bar {
    height: 4px;
    background: var(--bg-dark);
    border-radius: 2px;
    margin-top: 8px;
    overflow: hidden;
    position: relative;
}

.status-progress {
    height: 100%;
    background: var(--text-accent);
    width: 0%;
    transition: width 0.3s ease;
}

.btn-start {
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 16px;
}

.btn-start:hover:not(:disabled) {
    background: var(--text-accent);
    color: var(--bg);
    border-color: var(--text-accent);
}

.btn-start:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    filter: grayscale(1);
}

.log-console {
    margin-top: 24px;
    padding: 12px;
    background: var(--bg-dark);
    border: 1px solid var(--control-outline);
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-secondary);
    max-height: 150px;
    overflow-y: auto;
    font-family: ui-monospace, monospace;
}

.log-entry { margin-bottom: 4px; }
.log-entry.info { color: var(--text-primary); }
.log-entry.success { color: #4caf50; }
.log-entry.error { color: #f44336; }

@media (max-width: 600px) {
    .speed-display { grid-template-columns: 1fr; }
}