/* ═════════════════════════════════════════════════════════════════════════════
   Motor Zero Tools - Optimized CSS (minified-like)
   ═════════════════════════════════════════════════════════════════════════════ */

.motor-tool {
    background: var(--news-surface, #fff);
    border: 1px solid var(--news-border, #e5e7eb);
    border-radius: var(--news-radius, 8px);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.motor-tool h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--news-text, #1f2937);
}

.motor-tool > p {
    margin: 0 0 1.5rem 0;
    color: var(--news-muted, #6b7280);
    font-size: 0.95rem;
}

/* ─── Tool Controls ────────────────────────────────────────────────────────── */
.tool-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--news-bg, #f9fafb);
    border-radius: calc(var(--news-radius, 8px) - 2px);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--news-text, #1f2937);
}

.input-group input[type="number"],
.input-group input[type="range"],
.input-group select {
    padding: 0.65rem;
    border: 1px solid var(--news-border, #e5e7eb);
    border-radius: 4px;
    font-size: 0.95rem;
    background: var(--news-surface, #fff);
    color: var(--news-text, #1f2937);
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.input-group input[type="number"]:focus,
.input-group input[type="range"]:focus,
.input-group select:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.input-group input[type="range"] {
    cursor: pointer;
    height: 6px;
    padding: 0;
    accent-color: #10b981;
}

.input-group span {
    font-weight: 600;
    color: #10b981;
    font-size: 0.95rem;
}

/* ─── Results & Metrics ────────────────────────────────────────────────────── */
.tool-result {
    padding: 1.5rem;
    background: var(--news-bg, #f9fafb);
    border-radius: calc(var(--news-radius, 8px) - 2px);
}

.metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.metrics p {
    padding: 1rem;
    background: var(--news-surface, #fff);
    border-left: 3px solid #10b981;
    border-radius: 4px;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.5;
}

.metrics p strong {
    display: block;
    color: var(--news-text, #1f2937);
    margin-bottom: 0.25rem;
}

.metrics p:not(:has(strong)) {
    color: #6b7280;
}

.metrics hr {
    grid-column: 1 / -1;
    border: none;
    border-top: 2px solid var(--news-border, #e5e7eb);
    margin: 0.5rem 0;
}

/* ─── Chart Container ──────────────────────────────────────────────────────── */
canvas {
    max-height: 400px;
    margin-bottom: 1.5rem;
}

/* ─── Dark Mode Support ────────────────────────────────────────────────────── */
@media (prefers-color-scheme: dark) {
    .motor-tool {
        background: var(--news-surface, #1f2937);
        color: var(--news-text, #f3f4f6);
    }
    
    .tool-controls {
        background: var(--news-bg, #111827);
    }
    
    .input-group input,
    .input-group select {
        background: var(--news-surface, #374151);
        color: var(--news-text, #f3f4f6);
    }
    
    .metrics p {
        background: var(--news-surface, #374151);
        color: var(--news-text, #e5e7eb);
    }
}

/* ─── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .motor-tool {
        padding: 1rem;
    }
    
    .tool-controls {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .motor-tool h3 {
        font-size: 1.2rem;
    }
    
    canvas {
        max-height: 300px;
    }
}

/* ═════════════════════════════════════════════════════════════════════════════ */