/* Calculator specific styles */
#ajax_form {
    font-family: 'Roboto', sans-serif;
}

#ajax_form fieldset {
    border: 2px solid var(--primary);
    padding: 30px;
    border-radius: 8px;
    background: white;
}

#ajax_form legend {
    background-color: var(--primary);
    color: #fff;
    padding: 10px 20px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 1.2rem;
}

#ajax_form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary);
}

#ajax_form input[type="number"] {
    width: 100px;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

#ajax_form input[type="number"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.1);
}

#ajax_form input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    margin-right: 10px;
}

#ajax_form label[for] {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 15px;
}

#calcc {
    text-align: center;
    margin: 20px 0;
}

#btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    background: var(--accent);
    color: white;
    transition: background 0.3s, transform 0.2s;
}

#btn:hover {
    background: var(--accent-hover);
    transform: scale(1.05);
}

#btn:active {
    transform: scale(0.98);
}

#calc_summa {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent);
    margin-top: 20px;
    min-height: 30px;
    padding: 10px;
    background: #f8f9fa;
    border-radius: 4px;
    display: inline-block;
}

#calc-desc {
    max-width: 800px;
    margin: 40px auto 0;
    background: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    line-height: 1.8;
}

#calc-desc h3 {
    color: var(--primary);
    margin-top: 30px;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

#calc-desc h3:first-child {
    margin-top: 0;
}

#calc-desc ul {
    margin-left: 20px;
    line-height: 1.8;
}

#calc-desc ul li {
    margin-bottom: 10px;
}

/* Remove spinner from number inputs */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}