/* Inherits variables from ../styles.css */

.calculator-card {
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.08);
    /* Slightly clearer border */
    border-radius: 12px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

/* Controls */
.controls-section {
    margin-bottom: 2.5rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 2rem;
}

.slider-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.8rem;
}

.range-hint {
    color: var(--muted);
    font-weight: normal;
    font-size: 0.85em;
    margin-left: 0.5rem;
}

.slider-val-row {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

input[type=range] {
    flex: 1;
    cursor: pointer;
}

.highlight-val {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
    min-width: 80px;
    text-align: right;
    font-feature-settings: "tnum";
}

.toggle-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1.5rem;
}

.toggles {
    display: flex;
    gap: 0.5rem;
    background: #f0f0f0;
    padding: 0.2rem;
    border-radius: 6px;
}

.toggle-btn {
    background: transparent;
    border: none;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 4px;
    color: var(--muted);
    font-family: inherit;
    transition: all 0.2s;
}

.toggle-btn.active {
    background: white;
    color: var(--text);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    font-weight: 500;
}

/* Equivalents */
.equivalents-section {
    margin-bottom: 2.5rem;
}

.equivalents-section h2 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.eq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.eq-card {
    background: var(--bg);
    padding: 1.2rem;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.eq-icon {
    font-size: 2rem;
    line-height: 1;
}

.eq-content {
    display: flex;
    flex-direction: column;
}

.eq-val {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.1;
    margin-bottom: 0.2rem;
    font-feature-settings: "tnum";
}

.eq-unit {
    font-weight: 500;
    font-size: 0.95rem;
}

.eq-sub {
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 0.2rem;
}

/* Impact */
.impact-section {
    background: #fafbfc;
    padding: 1.5rem;
    border-radius: 8px;
}

.impact-section h3 {
    font-size: 0.9rem;
    margin: 0 0 1rem 0;
    color: var(--muted);
    font-weight: 500;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.impact-item {
    display: flex;
    flex-direction: column;
}

.impact-label {
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 0.3rem;
}

.impact-val {
    font-weight: 500;
    font-size: 1.1rem;
    font-feature-settings: "tnum";
}

.disclaimer {
    margin-top: 2rem;
    font-size: 0.75rem;
    color: #888;
    line-height: 1.5;
    font-style: italic;
    border-top: 1px solid #eee;
    padding-top: 1rem;
}

.sources-list {
    padding-left: 1.2rem;
    font-size: 0.85rem;
    color: var(--muted);
}

.sources-list li {
    margin-bottom: 0.4rem;
}

@media (max-width: 600px) {
    .calculator-card {
        padding: 1.2rem;
    }

    .slider-val-row {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }

    .highlight-val {
        text-align: left;
        font-size: 1.2rem;
        /* Reduce size slightly to prevent overflow */
    }

    .toggle-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
    }

    .toggles {
        width: 100%;
        display: flex;
    }

    .toggle-btn {
        flex: 1;
        text-align: center;
        padding: 0.5rem 0.2rem;
        font-size: 0.8rem;
    }

    .impact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .eq-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.5rem;
    }

    .eq-content {
        align-items: center;
    }
}