.calculator {
    margin: auto;
}

.calculator h2 {
    text-align: center;
    color: #222;
}

.calculator .form-group {
    margin-bottom: 15px;
}

.calculator select,
.calculator input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    box-sizing: border-box;
}

/* placeholder styles for wide browser support (mobile included) */
.calculator input::placeholder {
    color: #999 !important;
    opacity: 1 !important;
}

.calculator input::-webkit-input-placeholder {
    color: #999 !important;
}

.calculator input:-ms-input-placeholder {
    color: #999 !important;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: #fff !important;
    color: #000 !important;
    border: 2px solid #222;
    font-size: 16px;
    border-radius: 100px;
    cursor: pointer;
}

.submit-btn:hover,
.call-button:hover,
.close-button:hover {
    background: #222 !important;
    color: #fff !important;
}

.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
    z-index: 999;
}

#resultModal .modal-content {
    background: #000;
    padding: 20px;
    border-radius: 15px;
    max-width: 90%;
    text-align: center;
    color: #fff;
}

#resultModal img#resImage {
    height: 240px;
    width: auto;
    border-radius: 10px;
    margin-bottom: 10px;
}

.buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.call-button,
.close-button {
    padding: 10px 20px;
    border-radius: 100px;
    font-size: 16px;
    border: 2px solid #222;
}

.call-button {
    background: #fff;
    color: #222;
}

.close-button {
    background: #222 !important;
    color: #fff;
}

span.flatpickr-day.selected {
    background: #222 !important;
    border-color: #222 !important;
}

.calculator input,
.calculator select {
    background: transparent !important;
}

/* small screens - ensure placeholder text contrasts if background changes */
@media (max-width: 480px) {

    .calculator input,
    .calculator select {
        font-size: 16px;
    }
}