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

body {
  height: 100vh;
  width: 100%;
  background-color: var(--background-color);
  user-select: none;
}


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

:root {
  /* background-colors */
  --background-color: #fff;
  --heading-text-color: #000;
  --subtext-color: #2b2a2a;
  --nav-color: #e8e8e8;
  --logo-color: rgb(176, 95, 8);
  --task-background: rgb(250, 243, 172);

  /* padding variables */
  --nav-padding: 10px 20px;
  --main-padding: 20px 40px;
  --padding-s: 5px;
  --padding-m: 10px;
  --padding-l: 20px;
  --padding-xl: 30px;
  --button-padding: 5px 10px;
  --button-background: #d56311;
  --delete-button-background: #fd3232;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--nav-padding);
  background-color: var(--nav-color);
  box-shadow: 0 2px 3px var(--subtext-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .left {
  font-family: "Bungee Shade", sans-serif;
  color: var(--logo-color);
  font-size: 28px;
}
nav .left:hover {
  cursor: pointer;
  /* text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3); */
  color: var(--delete-button-background);
}

.right {
  font-family: "Fira Sans", sans-serif;
  padding: var(--button-padding);
  color: var(--heading-text-color);
  border: 2px solid var(--heading-text-color);
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  background-color: rgb(248, 248, 177);


  /* 3D depth */
  box-shadow: 3px 3px 0 var(--heading-text-color),
    6px 6px 14px rgba(0, 0, 0, 0.25);

  transition: transform 0.3s ease, box-shadow 0.3s ease, all 0.3s ease;
}

.right:hover {
  transform: translate(-2px, -2px);
  background-color: rgb(247, 247, 152);
  box-shadow: 5px 5px 0 var(--heading-text-color),
    10px 10px 20px rgba(0, 0, 0, 0.3);
}

.right:active {
  transform: translate(1px, 1px);

  box-shadow: 1px 1px 0 var(--heading-text-color),
    2px 2px 6px rgba(0, 0, 0, 0.2);
}

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

section .task-column {
  flex-grow: 1;
  width: 100%;
  border: 1.5px solid #000;
  border-radius: var(--padding-s);
  box-shadow: 2px 2px 0 #000,
    /* hard edge depth */ 6px 6px 12px rgba(0, 0, 0, 0.25); /* soft lift */

  background: transparent;
  transition: 0.3s box-shadow ease, 0.3s transform ease;
  padding: var(--nav-padding);
  display: flex;
  flex-direction: column;
  gap: var(--padding-m);
    overflow: visible;
}

section .task-column:hover {
  box-shadow: 4px 4px 0 #000, 10px 10px 20px rgba(0, 0, 0, 0.3);
}

.heading {
  font-family: "Space Grotesk", sans-serif;
  color: var(--heading-text-color);
  padding: var(--padding-m);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.heading .left {
  font-size: 18px;
  font-weight: 600;
}

section .task-column .task {
  background-color: var(--task-background);
  border: 1px solid var(--heading-text-color);
  border-radius: var(--padding-s);
  font-family: "Fira Sans", sans-serif;
  display: flex;
  flex-direction: column;
  gap: var(--padding-s);
  padding: var(--padding-m);
  box-shadow: 3px 3px 0 var(--subtext-color), 6px 6px 12px rgba(8, 8, 8, 0.2);
  transition: box-shadow 0.3s ease, transform 0.3s ease, all 0.3s ease;
  cursor: grab;
}

section .task-column.hover-over {
  border: 2px dashed var(--delete-button-background);
  scale: 1.03;
  transition: all 0.3s ease;
  background-color: var(--nav-color);
}

section .task-column .task:hover {
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--subtext-color), 10px 10px 20px rgba(8, 8, 8, 0.3);
}
section .task-column .task:active {
  cursor: grabbing;
}

/* Dragging state - makes real element disappear during drag */
section .task-column .task.dragging {
  opacity: 0.3;
  transform: scale(0.95);
}

section .task-column .task h3 {
  font-size: 16px;
  font-weight: 500;
  color: var(--heading-text-color);
}

section .task-column .task p {
  font-size: 14px;
  color: var(--subtext-color);
  line-height: 1.4;
}

section .task-column .task button {
  align-self: flex-end;
  padding: var(--button-padding);
  border: 1px solid var(--delete-button-background);
  border-radius: var(--padding-s);
  box-shadow: 2px 2px 0 var(--delete-button-background),
    4px 4px 10px rgba(0, 0, 0, 0.2);
  background-color: white;
  color: var(--delete-button-background);
  transition: 0.3s transform ease, 0.3s box-shadow ease;
  cursor: pointer;
}

section .task-column .task button:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 var(--delete-button-background),
    8px 8px 15px rgba(0, 0, 0, 0.3);
}
section .task-column .task button:active {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--delete-button-background),
    2px 2px 6px rgba(0, 0, 0, 0.2);
}

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

.modal.active{
  display: flex;
}

.modal .center{
  display: flex;
  flex-direction: column;
  gap: var(--padding-m);
  padding: var(--padding-xl);
  border: 1px solid var(--heading-text-color);
  box-shadow: 5px 5px 0 var(--heading-text-color),
    6px 6px 14px rgba(0, 0, 0, 0.25);
  border-radius: var(--padding-s);
  background-color: var(--task-background);
  z-index: 10;
}


.center input, .center textarea{
  font-family: "Fira Sans", sans-serif;
  padding: var(--padding-m);
  border: 1px solid var(--subtext-color);
  border-radius: var(--padding-s);
  font-size: 16px;
  outline: none;
  box-shadow: 2px 2px 0 var(--subtext-color),
    4px 4px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease-in-out;
}

.center input:focus, .center textarea:focus{
  transform: translate(1px, 1px);
  box-shadow: 0px 0px 0 var(--subtext-color),
    8px 8px 15px rgba(0, 0, 0, 0.3);
}

.center button{
  font-family: "Fira Sans", sans-serif;
  padding: var(--button-padding);
  color: var(--heading-text-color);
  border: 2px solid var(--heading-text-color);
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--heading-text-color),
    4px 4px 10px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease-in-out;
  font-family: "Space Grotesk", sans-serif;
  background-color: rgb(249, 150, 229);
}
.center button:hover{
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 var(--heading-text-color),
    8px 8px 15px rgba(0, 0, 0, 0.3);
}

.center button:active{
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0 var(--heading-text-color),
    2px 2px 6px rgba(0, 0, 0, 0.2);
  background-color: rgb(255, 120, 228);
}

.bg{
  height: 100vh;
  width: 100vw;
  position: absolute;
  backdrop-filter: blur(10px);
  z-index: 5;
}