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

html, body {
    height: 100%;
    width: 100%;    
}
:root {
    --background-color: #292929;
    --primary-text-color: #c0c0c0;

    --nav-padding: 15px 30px;
    --bg-btn-color: #363636;
    --border-radius-s: 5px;
    --border-radius-m: 10px;
    --border-radius-l: 15px;
    --border-radius-xl: 30px;
    --section-padding: 15px 30px;
    --padding-s:5px;
    --padding-m:10px;
    --padding-l:15px;
    --padding-xl:30px;

}
body {
    background-color: var(--background-color);
    color: var(--primary-text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
nav {
    padding: var(--nav-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav button {
    background-color: var(--bg-btn-color);
    border: none;
    padding: var(--padding-m) var(--padding-l);
    color:   var(--primary-text-color);
    border-radius: var(--border-radius-m);
    cursor: pointer;
    text-transform: uppercase;

}
nav button:hover {
    background-color:#0e7700;
}

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

}

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


}
section .task-coulmn {
  background-color: var(--bg-btn-color);
      flex-grow: 1;
        padding: var(--padding-m);
    border-radius: var(--border-radius-m);
    display: flex;
    flex-direction: column;
    gap: var(--padding-m);

}
section .task-coulmn :first-child{
    display: flex;
    align-items: center;
    justify-content: space-between;

}

section .task-coulmn .task {
background-color: var(--background-color);
border-radius: var(--border-radius-m);
padding: var(--padding-m);
display: flex;
flex-direction: column;
gap: var(--padding-s);
cursor: grab;
transition: all 0.2s ease-in-out;
}

section .task-coulmn.hover-over {   
    border: 2px dashed var(--primary-text-color);
    scale: 1.02;
}
section .task-coulmn .task button {
    background-color: rgba(255, 62, 62, 0.644);
    border: none;
    border-radius: var(--border-radius-s);
    font-size: 20px;
    color: var(--primary-text-color);
    cursor: pointer;
    align-self: flex-end;
    padding: var(--padding-s);
    outline: none;
}

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

.modal.active {
    display: flex;
}

.modal .bg {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    backdrop-filter: blur(5px);
    z-index: 5;
}


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

}


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

    resize: none;
}
.center button  {
border-radius: var(--border-radius-s);
border-style: none;
background-color:var(--background-color);
color: var(--primary-text-color);
border-color: aliceblue;

}