redash/client/app/assets/less/inc/form.less

label {
  font-weight: 500;
}

textarea.v-resizable {
  resize: vertical;
}

.form-group {
  &.required {
    .control-label {
      &:after {
        content: " *";
        color: inherit;
      }
    }
  }
  &.has-error {
    .help-block {
      &.error {
        display: block;
      }
    }
  }
  .help-block {
    &.error {
      display: none;
    }
  }
}

/* --------------------------------------------------------
    Input Fields
-----------------------------------------------------------*/
.form-control {
  .transition(all);
  .transition-duration(300ms);
  resize: none;
  box-shadow: 0 0 0 40px rgba(0, 0, 0, 0) !important;
  border-radius: @redash-input-radius;

  &:focus {
    box-shadow: none !important;
    border-color: @blue;
  }
  &:hover {
    border-color: @blue;
  }
}

/* --------------------------------------------------------
    Custom Checkbox + Radio
-----------------------------------------------------------*/
.cra-validatation(@color) {
  input[type="checkbox"],
  input[type="radio"] {
    & + .input-helper {
      border-color: @color;
    }

    &:checked + .input-helper:before {
      background: @color;
    }
  }
}

.cr-alt {
  position: relative;
  padding-top: 0;
  margin: 0;

  label {
    position: relative;
    padding-left: 28px;
  }

  &.has-success {
    .cra-validatation(@green);
  }

  &.has-warning {
    .cra-validatation(@orange);
  }

  &.has-error {
    .cra-validatation(@red);
  }

  input[type="checkbox"],
  input[type="radio"] {
    .opacity(0);
    width: 20px;
    height: 20px;
    position: absolute;
    z-index: 10;
    margin: 0;
    top: 0;
    left: 0;
    cursor: pointer;

    & + .input-helper {
      border: 1px solid @input-border;
      width: 19px;
      height: 19px;
      background: #fff;
      position: absolute;
      left: 0;
      top: -1px;
      cursor: pointer;
    }

    &:checked + .input-helper:before {
      content: "";
      width: 9px;
      height: 9px;
      background: #31acff;
      position: absolute;
      left: 4px;
      top: 4px;
    }
  }

  input[type="radio"] {
    & + i {
      border-radius: 50%;
    }

    &:checked + i:before {
      border-radius: 50%;
    }
  }

  &.disabled {
    .opacity(0.7);
  }
}

.checkbox-inline,
.radio-inline {
  padding-left: 27px;
}

/* --------------------------------------------------------
    Input Addon
-----------------------------------------------------------*/
.input-group {
  .input-group-addon {
    min-width: 40px;
    color: #333;
    padding: 0;
  }

  &:not([class*="input-group-"]) {
    .input-group-addon {
      font-size: 15px;
    }
  }
}

/* --------------------------------------------------------
    Toggle Switch
-----------------------------------------------------------*/
.ts-color(@color) {
  input {
    &:not(:disabled) {
      &:checked {
        & + .ts-helper {
          background: fade(@color, 50%);

          &:before {
            background: @color;
          }

          &:active {
            &:before {
              box-shadow: 0 2px 8px rgba(0, 0, 0, 0.28), 0 0 0 20px fade(@color, 20%);
            }
          }
        }
      }
    }
  }
}

.toggle-switch {
  display: inline-block;
  vertical-align: top;
  .user-select(none);

  .ts-label {
    display: inline-block;
    margin: 0 20px 0 0;
    vertical-align: top;
    -webkit-transition: color 0.56s cubic-bezier(0.4, 0, 0.2, 1);
    transition: color 0.56s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .ts-helper {
    display: inline-block;
    position: relative;
    width: 40px;
    height: 16px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.26);
    -webkit-transition: background 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    transition: background 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    vertical-align: middle;
    cursor: pointer;

    &:before {
      content: "";
      position: absolute;
      top: -4px;
      left: -4px;
      width: 24px;
      height: 24px;
      background: #fafafa;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
      border-radius: 50%;
      webkit-transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1), background 0.28s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
      transition: left 0.28s cubic-bezier(0.4, 0, 0.2, 1), background 0.28s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }
  }

  &:not(.disabled) {
    .ts-helper {
      &:active {
        &:before {
          box-shadow: 0 2px 8px rgba(0, 0, 0, 0.28), 0 0 0 20px rgba(128, 128, 128, 0.1);
        }
      }
    }
  }

  input {
    position: absolute;
    z-index: 1;
    width: 46px;
    margin: 0 0 0 -4px;
    height: 24px;
    .opacity(0);
    cursor: pointer;

    &:checked {
      & + .ts-helper {
        &:before {
          left: 20px;
        }
      }
    }
  }

  &:not([data-ts-color]) {
    .ts-color(@teal);
  }

  &.disabled {
    .opacity(0.6);
  }

  &[data-ts-color="red"] {
    .ts-color(@red);
  }

  &[data-ts-color="blue"] {
    .ts-color(@blue);
  }

  &[data-ts-color="amber"] {
    .ts-color(@amber);
  }

  &[data-ts-color="purple"] {
    .ts-color(@purple);
  }

  &[data-ts-color="pink"] {
    .ts-color(@pink);
  }

  &[data-ts-color="lime"] {
    .ts-color(@lime);
  }

  &[data-ts-color="cyan"] {
    .ts-color(@cyan);
  }

  &[data-ts-color="green"] {
    .ts-color(@green);
  }
}