*{
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

html{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

:root{
    --bg-color: #000000;
    --bg-button-color:#1a1a1a;
    --bg-task-color:#2a2a2a;
    --primary-text-color:#fffefe;
    --delete-color:#ff4d4d;

    /*padding */

    --nav-padding: 15px 30px;
    --section-padding:15px 30px;
    --padding-s:5px;
    --padding-m:10px;
    --padding-l:15px;
    --padding-xl:20px;
    --padding-xxl:25px;

    /* border radius */
    --border-radius-s:5px;
    --border-radius-m:10px;
    --border-radius-l:15px;
    --border-radius-xl:20px;
    --border-radius-xxl:25px; 
    

}

html,body{
    width: 100%;
    height: 100%;
}


body{
    background-color: var(--bg-color);
    color: var(--primary-text-color);
}

main{
    height: 100%;
    display: flex;
    flex-direction: column;
}


nav{
   padding: var(--nav-padding);
   display: flex;
   align-items: center;
   justify-content: space-between;
   position: sticky;
   top: 0;
   background-color: var(--bg-color);

}

nav button{
  background-color: var(--bg-button-color);
  border: none;
  outline: none;
  color: var(--primary-text-color);
  padding: var(--padding-m) var(--padding-l);
  cursor: pointer;
  border-radius: var(--border-radius-m);
}

section{
    padding: var(--section-padding);
    display: flex;
    justify-content: space-between;
    flex-grow: 1;
    gap: var(--padding-xxl);
   
}

section .task-column{
    background-color:var(--bg-button-color);
    flex-grow: 1;
    width: 100%;
    padding: var(--padding-m);
    display: flex;
    flex-direction: column;
    gap: var(--padding-m);
    border-radius: var(--border-radius-m);
    transition: all 0.7s cubic-bezier(0.19, 1, 0.22, 1);
    
}

section .task-column.hover-over{
   border: dashed var(--primary-text-color);
   scale:1.05;
}


section .task-column .heading{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

section .task-column .task{
    background-color: var(--bg-task-color);
    padding: var(--padding-m);
    border-radius: var(--border-radius-m);
    display: flex;
    flex-direction: column;
    gap: var(--padding-s);
    cursor: grab;
    /*  user-select: none;
    -webkit-user-select: none;  /* to fix the users issue drag */ 
}

section .task-column .task button{
    align-self:flex-end;
    cursor: pointer;
    padding:var(--padding-s) var(--padding-m) ;
    border-radius: var(--border-radius-s);
    border: none;
    outline: none;
    background-color: var(--delete-color);
    color: var(--primary-text-color);
}


.modal{
    position: fixed;
    height: 100vh;
    width: 100vw;
    top:0;
    left: 0;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal.active{
    display: flex;
    /* cursor: grabbing; */
}

.modal .bg{
    position: absolute;
    height: 100%;
    width: 100%;
    background-color: rgba(54, 53, 53, 0.622);
    backdrop-filter: blur(5px);
}

.modal .center{
    background-color: var(--bg-button-color);
    padding: var(--padding-xl);
    border-radius: var(--border-radius-m);
    display: flex;
    flex-direction: column;
    gap: var(--padding-m);
    z-index: 10;
}

.modal .center input, .modal .center textarea, .modal .center select{
    background-color: var(--bg-task-color);
    border: none;
    outline: none;
    color: var(--primary-text-color);
    padding: var(--padding-m);
    border-radius: var(--border-radius-s);

}

.modal .center button{
    background-color: var(--bg-task-color);
     border: none;
    outline: none;
    color: var(--primary-text-color);
    padding: var(--padding-m) var(--padding-l);
    cursor: pointer;
    border-radius: var(--border-radius-m);
    width:fit-content;
    align-self: center;

}