/* Ohm's Law Calculator — page-scoped styles (ol- prefix, no global collisions). */
.ol-hint {
    margin: 0 0 0.25rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.ol-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem 1.25rem;
}
@media (max-width: 560px) {
    .ol-grid { grid-template-columns: 1fr; }
}

.ol-field { margin: 0; }
.ol-sym { color: var(--text-secondary); font-weight: 500; }

.ol-inline { display: flex; gap: 0.5rem; }
.ol-input {
    flex: 1 1 auto;
    min-width: 0;
    box-sizing: border-box;
    padding: 0.6rem 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
}
.ol-unit {
    flex: 0 0 auto;
    padding: 0.6rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
}
.ol-input:focus, .ol-unit:focus { outline: none; border-color: var(--accent-color); }

.ol-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.25rem;
}

.ol-status {
    margin: 0;
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    font-size: 0.92rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.ol-status-error { border-color: #fca5a5; color: #991b1b; background: #fef2f2; }

.ol-res-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.9rem;
}
@media (max-width: 560px) {
    .ol-res-grid { grid-template-columns: 1fr; }
}
.ol-res {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 1rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-color);
    text-align: center;
    transition: border-color .15s ease, background .15s ease;
}
.ol-res-val {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    word-break: break-word;
}
.ol-res-lbl {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}
/* Highlight the two quantities the calculator solved for. */
.ol-res.ol-computed {
    border-color: var(--accent-color);
    background: rgba(99, 102, 241, 0.06);
}
.ol-res.ol-computed .ol-res-val { color: var(--accent-color); }

.ol-formula {
    margin: 1rem 0 0;
    padding: 0.7rem 0.9rem;
    border-radius: 8px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: center;
    white-space: pre-wrap;
}