:root {
    --primary-clr: #f36825;
    --bg-color:  #e2e1dc;
    --bg2-color:  #ffffff;
    --text-color: #333;
    --bgcon-color:  #e7e7e7;
    --icon-color:  #393939;
    --calcon-color:  #fff;
    --cal2con-color:  rgb(190, 190, 190);
    --todo-color:  #f8b883;
  }

.dark-mode {
    --bg-color: #262626;
    --bg2-color:  #2a2929;
    --text-color: #e2e1dc;
    --bgcon-color:  #3b3b3c;
    --icon-color:  #e9e9e9;
    --calcon-color:  #262626;
    --cal2con-color:  #0c0c0c;
    --todo-color:  #9c5012;
}

#darkMode-icon {
    font-size: 2.4rem;
    color: var(--icon-color);
    cursor: pointer;
    position: absolute;
    top : 23px;
    right: 20px; 
  }
  
  .header.sticky #darkMode-icon {
    color: var(--icon-color);
    opacity: .9;
  }
  
  #menu-icon {
    font-size: 3.6rem;
    color: var(--icon-color);
    display: none;
  }


body{
    position: relative;
    width: 100%;
    min-height: 100vh;
    height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-color);
    background-size: cover;
    background-position: center;
    font-family: 'roboto', sans-serif;
}

.form{
    width: 400px;
    height: auto;
    background-color: var(--bgcon-color);
    font-family: 'roboto', sans-serif;
    position: relative;
    
}

.heading{
    text-transform: capitalize;
    text-align: center;
    font-size: 40px;
    font-weight: 770;
    margin-bottom: 50px;
    color: var(--primary-clr);
    margin-top: 20px;
}

input,
.submit-btn{
    width: 80%;
    height: 35px;
    display: block;
    margin: 20px auto;
    border-radius: 5px;
    background: var(--primary-clr);
    background-color: transparent;
    border: none;
    color: var(--icon-color);
    padding: 15px;
    transition: .5s;
    text-transform: none;
    border-bottom: 2px solid var(--primary-clr);
    margin-bottom: 10px;
}

.submit-btn{
    width: auto;
    padding: 0 20px;
    cursor: pointer;
    margin: 50px auto 0;
    background: var(--primary-clr); 
    color: #fff;
}

.link{
    text-align: center;
    text-transform: none;
    color: var(--text-color);
    display: block;
    margin: 30px auto;
}

input::placeholder{
    background-color: transparent;
    transition: color 0.5s ease, transform 0.5s ease; 
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translateY(-50%);
    pointer-events: none;
    transform-origin: left; 

}


input:focus,
.submit-btn:hover{
    background: var(--todo-color);
    color: #000;
}

input:focus::placeholder{
    color: var(--icon-color);
    background-color: transparent;
    top: 35%; 
    transform: translateY(-100%);
    font-size: 9px;
}