accounts-frontend/src/components/ui/form/form.scss

@import '~components/ui/colors.scss';
@import '~components/ui/fonts.scss';

@mixin form-transition() {
    // Анимация фона должна быть быстрее анимации рамки, т.к. визуально фон заполняется медленнее
    transition: border-color .25s,
                background-color .20s;
}

/**
 * Input
 */
@mixin input-theme($themeName, $color) {
    .#{$themeName}TextField {
        composes: textField;

        &:focus {
            border-color: $color;

            ~ .textFieldIcon {
                background: $color;
                border-color: $color;
            }

            &.lightTextField {
                color: $color;
            }
        }
    }
}

.formRow {
    margin: 10px 0;
}

.formIconRow {
    composes: formRow;

    .textField {
        padding-left: 60px;
    }
}

.textFieldContainer {
    position: relative;
    height: 50px;
    max-width: 100%;
}

.textField {
    box-sizing: border-box;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    height: 50px;
    width: 100%;

    border: 2px solid;

    font-size: 18px;
    color: #aaa;
    font-family: $font-family-title;
    padding: 0 10px;

    transition: border-color .25s;

    &:hover {
        &,
        ~ .textFieldIcon {
            border-color: #aaa;
        }
    }

    &:focus {
        color: #fff;
        outline: none;

        ~ .textFieldIcon {
            color: #fff;
        }
    }
}

.textFieldIcon {
    box-sizing: border-box;
    position: absolute;
    left: 0;
    top: 0;
    height: 50px;
    width: 50px;
    line-height: 46px;
    text-align: center;
    border: 2px solid;
    color: #444;
    cursor: default;

    @include form-transition();
}

.darkTextField {
    background: $black;

    &::placeholder {
        opacity: 1;
        color: #444;
    }

    &,
    ~ .textFieldIcon {
        border-color: lighter($black);
    }
}

.lightTextField {
    background: #fff;

    &::placeholder {
        opacity: 1;
        color: #aaa;
    }

    &,
    ~ .textFieldIcon {
        border-color: #dcd8cd;
    }
}

.textFieldLabel {
    margin: 10px 0;
    display: block;

    font-family: $font-family-title;
    color: #666;
    font-size: 18px;
}

.fieldError {
    color: $red;
    font-size: 12px;
    margin: 3px 0;

    a {
        border-bottom: 1px dotted rgba($red, 0.75);
        text-decoration: none;
        transition: .25s;
        color: $red;

        &:hover {
            border-bottom-color: transparent;
        }
    }
}

.textAreaContainer {
    height: auto;
}

.textArea {
    height: 150px;
    padding: 5px 10px;
    resize: vertical;
    position: relative;
}

.textFieldCenter {
    text-align: center;
}

@include input-theme('green', $green);
@include input-theme('blue', $blue);
@include input-theme('red', $red);
@include input-theme('darkBlue', $dark_blue);
@include input-theme('lightViolet', $light_violet);
@include input-theme('violet', $violet);

/**
 * Checkbox
 */
@mixin checkbox-theme($themeName, $color) {
    .#{$themeName}CheckboxRow {
        composes: checkboxRow;

        .checkboxContainer {
            &:hover {
                .checkbox {
                    border-color: $color;
                }
            }
        }

        .checkboxInput {
            &:checked {
                + .checkbox {
                    background: $color;
                    border-color: $color;
                }
            }
        }
    }
}

.checkboxRow {
    height: 22px;
    margin-top: 15px;
}

.checkboxContainer {
    display: inline-block;
    position: relative;
    padding-left: 27px;

    font-family: $font-family-title;
    font-size: 16px;
    line-height: 24px;

    cursor: pointer;
}

.checkboxPosition {
    position: absolute;
    box-sizing: border-box;
    left: 0;
    top: 0;
    margin: 0;

    width: 22px;
    height: 22px;
}

.checkboxInput {
    composes: checkboxPosition;
    opacity: 0;

    &:checked {
        + .checkbox {
            &:before {
                opacity: 1;
            }
        }
    }
}

.checkbox {
    composes: checkboxPosition;
    composes: checkmark from 'components/ui/icons.scss';

    border: 2px #dcd8cd solid;

    font-size: 10px;
    line-height: 18px;
    text-align: center;
    color: #fff;

    @include form-transition();

    &:before {
        opacity: 0;
        transition: opacity 0.3s;
    }
}

.lightCheckboxRow {
    .checkboxContainer {
        color: #666;
    }
}

.darkCheckboxRow {
    .checkboxContainer {
        color: #fff;
    }
}

@include checkbox-theme('green', $green);
@include checkbox-theme('blue', $blue);
@include checkbox-theme('red', $red);

.isFormLoading {
    // TODO: надо бы разнести from и input на отдельные модули,
    // так как в текущем контексте isLoading немного не логичен,
    // пришлось юзать isFormLoading
    * {
        pointer-events: none;
    }

    [type="submit"] {
        background: url('./images/loader_button.gif') #95a5a6 center center;

        cursor: default;
        color: #fff;
        transition: 0.25s;
        outline: none;
    }
}

.captcha {
    width: 302px;
    height: 76px;
    // minimum captcha width is 302px, which can not be changed
    // using transform to scale down to 296px
    transform-origin: 0;
    transform: scaleX(0.98);
}

/**
 * Form validation
 */
// Disable any visual error indication
// .formTouched .textField:invalid {
//     box-shadow: none;

//     &,
//     ~ .textFieldIcon {
//         border-color: #3e2727;
//     }

//     ~ .textFieldIcon {
//         color: #3e2727;
//     }

//     &:hover {
//         &,
//         ~ .textFieldIcon {
//             border-color: $red;
//         }
//     }

//     &:focus {
//         border-color: $red;

//         ~ .textFieldIcon {
//             background: $red;
//             border-color: $red;
//             color: #fff;
//         }
//     }
// }

// .formTouched .checkboxInput:invalid {
//     ~ .checkbox {
//         border-color: $red;
//     }
// }