/* --- Calculator Cards --- */
.charge-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    border: 1px solid hsl(var(--border-dim));
    border-radius: var(--radius-md);
    padding: 18px 20px;
    cursor: pointer;
    transition: var(--transition);
}

.charge-card:hover {
    background: rgba(255, 255, 255, 0.02);
    border-color: hsl(var(--border-light));
}

.charge-card.selected {
    background: rgba(255, 255, 255, 0.04);
    border-color: hsl(var(--primary) / 0.5);
}

.charge-card-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.charge-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.charge-card-title {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
}

.charge-card-stats {
    display: flex;
    gap: 15px;
    font-size: 0.8rem;
    color: hsl(var(--h) 10% 50%);
}

.charge-card-stats span.val {
    color: #fff;
    font-weight: 600;
}

/* Checkbox Circle Toggle */
.charge-radio {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid hsl(var(--h) 10% 25%);
    position: relative;
    transition: var(--transition);
}

.charge-card:hover .charge-radio {
    border-color: hsl(var(--h) 10% 40%);
}

.charge-card.selected .charge-radio {
    border-color: hsl(var(--primary));
    background: transparent;
}

.charge-card.selected .charge-radio::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: hsl(var(--primary));
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Category Tags */
.calc-tag {
    font-size: 0.6rem;
    padding: 3px 8px;
    border-radius: 4px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.calc-tag.tag-f {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.calc-tag.tag-m {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.calc-tag.tag-i {
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Scrollbar tweaks inside calculator */
#calc-charge-list::-webkit-scrollbar {
    width: 6px;
}

#calc-charge-list::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

#calc-charge-list::-webkit-scrollbar-track {
    background: transparent;
}