/* Solar Calculator Styles (EN) */
#solar-calculator .calc-grid {
    display: grid;
    gap: 2rem;
    grid-template-columns: 1fr 1fr;
}

#solar-calculator .calc-input-group {
    margin-bottom: 1.2rem;
}

#solar-calculator label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--color-secondary);
}

#solar-calculator input[type="number"],
#solar-calculator select {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

#solar-calculator .results-box {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

#solar-calculator .result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 0.5rem;
}

#solar-calculator .result-row:last-child {
    border: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

#solar-calculator .result-val {
    font-weight: 700;
    color: var(--color-primary);
    font-size: 1.1rem;
}

@media(max-width: 768px) {
    #solar-calculator .calc-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Battery Options Styles */
.battery-options-container {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: 8px;
    margin-top: 0.5rem;
}

.battery-option {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 8px 4px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.battery-option:hover {
    border-color: var(--color-primary);
    background: #fffcf0;
}

.battery-option.selected {
    background-color: #f0fdf4;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

.battery-option.recommended {
    border-color: #f59e0b;
    background-color: #fffbeb;
}

.battery-option.recommended::before {
    content: 'REKOMMENDERAD';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: #f59e0b;
    color: white;
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: bold;
    white-space: nowrap;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.batt-title {
    font-weight: bold;
    font-size: 0.9rem;
    display: block;
    color: #333;
}

.batt-price {
    font-size: 0.8rem;
    color: #666;
    display: block;
    margin-top: 2px;
}

/* FAQ Styles (EN) */
.faq-tab {
    background: white;
    border: 1px solid #ddd;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    color: #555;
    transition: all 0.2s;
    user-select: none;
}

.faq-tab:hover {
    background: #f5f5f5;
}

.faq-tab.active {
    background: var(--color-secondary);
    color: white;
    border-color: var(--color-secondary);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

.faq-category-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 2rem 0 1rem;
    border-bottom: 2px solid #eee;
    padding-bottom: 5px;
}

.faq-item {
    background: white;
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.faq-item:hover {
    border-color: #ddd;
}

.faq-question {
    width: 100%;
    text-align: left;
    padding: 15px 20px;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: #333;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--color-primary);
    font-weight: 300;
    line-height: 1;
}

.faq-item.open .faq-question::after {
    content: '−';
}

.faq-item.open {
    border-color: var(--color-secondary);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.faq-answer-block {
    display: none;
    padding: 0 20px 20px;
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
    border-top: 1px solid #f9f9f9;
}

.faq-cta-small {
    display: block;
    margin-top: 10px;
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 700;
}