@import url('https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap');

:root{
--main-green: hsl(183, 100%, 15%);
--text-blue: hsl(186, 14%, 43%);
--hover-blue: rgb(38,194,173);
--main-blue: hsl(185, 41%, 84%);
--input-blue: hsl(180, 44%, 93%);
--main-white: hsl(0, 0%, 100%);
--red: rgb(255, 56, 89);
}

*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Space Mono;
}

body{
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  background-color: var(--main-blue);
}

.container{
  min-width: 60vw;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--main-white);
  padding: 30px;
  margin: 50px 0;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0,0,0,.15);
}
#main-title{
  margin-top: 30px;
  letter-spacing: 2px;
  color: var(--text-blue);
}
#left-col{
  width: 45%; 
}
.title-text{
  font-size: .9rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-blue);
}
.content-left{
  margin-bottom: 15px;
  border-radius: 3px;
}
.input-left{
  background-color: var(--input-blue);
  padding: 5px;
  border-radius: 5px;
  border: 1px solid var(--input-blue);
}
.input-icon{
  text-align: center;
  padding: 0 10px;
}
.input{
  width: 80%;
  height: 95%;
  border: none;
  background-color: var(--input-blue);
  text-align: right;
  padding: 8px 0;
  font-size: 1.2rem;
  color: var(--main-green);
  font-weight: 700;
}
.input:focus{
  outline: none;
}
.input-left:hover, .tip-input:hover{
  border: 1px solid var(--text-blue);
}

/* tip */
.tip-select{
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.tip{
  text-align: center;
  width: 30%;
  height: 40px;
  margin-bottom: 15px;
  background-color: var(--main-green);
  border-radius: 5px;
  border: none;
  color: var(--main-white);
  font-size: 1.2rem;
  font-weight: 700;
}
.tip-click{
  background-color: var(--main-blue);
  color: var(--main-greem);
}
.tip-input{
  background-color: var(--input-blue);
  color: var(--main-green);
  font-weight: 400;
  font-size: 1rem;
  border: 2px solid var(--input-blue);
}
.people-input-group{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.alert{
  font-size: .75rem;
  color: var(--red);
}
.alert-hide{
  display: none;
}
.people-alert:hover{
  border: 1px solid var(--red);
}
#right-col{
  width: 50%;
  min-height: 100%;
  padding: 30px;
  background-color: var(--main-green);
  border-radius: 10px;
  display: flex;
  flex-direction: column;
}
.content-right{
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
}
#right-col .title-text{
  color: var(--main-white);
  font-weight: 700;
}
#right-col .title-text-mini{
  color: var(--text-blue);
}
.text-result{
  color: var(--hover-blue);
}
.reset-btn{
  display: inline-block;
  width: 100%;
  background-color: var(--hover-blue);
  border-radius: 4px;
  text-align: center;
  margin-top: 40px;
  padding: 8px 0;
  text-decoration: none;
  color: var(--main-green);
  font-weight: 700;
}
.reset-btn:hover{
  background-color: var(--main-blue);
}
.attribution {
  font-size: 14px;
  text-align: center;
  margin-bottom: 10px;
}
.attribution a { color: hsl(228, 45%, 44%); }

/* media queries (max-width: 768px) */
@media screen and (max-width:768px) {
  body{
    height: auto;
    padding: 0 ;
    display: block;
  }
  #main-title{
    margin-top: 50px;
  }
 .container{
  flex-direction: column;
  margin: 50px 0 0 0;
  border-radius: 15px 15px 0 0;
 } 
 #left-col, #right-col{
   width: 100%;
 }
 .tip{
   width: 47%;
   height: 50px;
 }
 .tip-input{
   font-size: 1.4rem;
 }
 .attribution{
   display: none;
 }
}