:root {
    --kodama-color: #FE0D3A;   
    --kodama-color-dark: #c10b32;
    --kodama-bg: linear-gradient(135deg, #dddcdc, #f5f5f5);
    --kodama-card-bg: #fff;
    --kodama-shadow: rgba(0,0,0,0.08);
    --kodama-font: 'Arial', sans-serif;
}

.kodama-donation-calculator {
    max-width: 520px;
    margin: 30px auto;
    padding: 30px 25px;
    border-radius: 15px;
    background: var(--kodama-bg);
    box-shadow: 0 12px 28px var(--kodama-shadow);
    font-family: var(--kodama-font);
    color: #333;
}

.kodama-donation-calculator h4 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--kodama-color);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.kodama-donation-calculator p {
    margin-top: 30px;
    line-height: 1.2em;
    text-align: center;
}

/* Formulario */
.kodama-donation-calculator form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.kodama-donation-calculator label {
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kodama-donation-calculator .input-inline {
    display: inline;
    text-align: center;
}

.kodama-donation-calculator .input-icon {
    position: relative;
}
.kodama-donation-calculator .input-icon svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    fill: var(--kodama-color);
    pointer-events: none;
}

.kodama-donation-calculator input[type="number"],
.kodama-donation-calculator select {
    width: 100%;
    padding: 12px 14px 12px 40px;
    border-radius: 10px;
    border: 1px solid #ccc;
    font-size: 15px;
    font-weight: 500;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: #fff;
}

.kodama-donation-calculator select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=US-ASCII,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='5'><polygon points='0,0 10,0 5,5' fill='%23FE0D3A'/></svg>");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 10px 5px;
}

.kodama-donation-calculator input[type="number"]:focus,
.kodama-donation-calculator select:focus {
    border-color: var(--kodama-color);
    box-shadow: 0 0 8px rgba(254,13,58,0.3);
    outline: none;
}

.kodama-donation-calculator input[type="checkbox"] {
    accent-color: var(--kodama-color);
    transform: scale(1.2);
    margin-right: 8px;
    cursor: pointer;
    transition: transform 0.2s;
}
.kodama-donation-calculator input[type="checkbox"]:hover {
    transform: scale(1.3);
}

/* Botón */
.kodama-donation-calculator button {
    padding: 12px 18px;
    border: none;
    border-radius: 10px;
    background: var(--kodama-color);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}
.kodama-donation-calculator button:hover {
    background: var(--kodama-color-dark);
    transform: translateY(-2px);
}

/* Tarjetas de resultados */
.kodama-donation-calculator .resultado {
    margin-top: 25px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s forwards;
}

.kodama-donation-calculator .resultado .card {
    background: var(--kodama-card-bg);
    padding: 20px;
    border-radius: 15px;
    box-shadow: 0 6px 15px var(--kodama-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: transform 0.3s, box-shadow 0.3s;
}
.kodama-donation-calculator .resultado .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px var(--kodama-shadow);
}

.kodama-donation-calculator .resultado .card p {
    margin: 0;
}
.kodama-donation-calculator .resultado .card p:first-child {
    font-weight: 600;
    font-size: 16px;
    text-align: center;
    margin: 0;
}
.kodama-donation-calculator .resultado .card p strong {
    display: block;
    font-size: 22px;
    margin-top: 5px;
    color: var(--kodama-color);
    text-align: center;
}

.kodama-donation-calculator .resultado .card svg {
    width: 28px;
    height: 28px;
    fill: var(--kodama-color);
}

@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(20px); }
    100% { opacity: 1; transform: translateY(0); }
}