:root{
    --bg-color: #ffe4f1;      
    --text-color: #4b0082;      
    --primary-color: #ff69b4;  
    --task-color: #f8f0ff;      
    --secondary-color: #ba55d3;
    --cancel-color: #e5e7eb;
    --confirm-color: #dc2626;
    --confirm-hover-color: #b91c1c;
    --task-size: 48px;
}

html{
  scroll-behavior: smooth;
}

* {
  font-family: 'Mulish', sans-serif;
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}
body {
  background: var(--bg-color);
  color: var(--text-color);
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
}
h1{
  margin: 2rem 0;
}
button {
  cursor: pointer;
  border: none;
  background: transparent;
  outline-color: var(--secondary-color);
  transition: 0.3s;
  opacity: 0.5;
}
button:is(:active, :hover) {
  opacity: 1;
}
.container {
  width: min(1200px, 90%);
  margin: 0 auto;
}
.columns {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.column {
  flex: 1;
  display: grid;
  grid-template-rows: var(--task-size) 1fr;
  gap: 0.5rem;
}

@media (min-width: 768px) {
  .columns {
    flex-direction: row;
  }
}
.column-title {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--secondary-color);
  color: var(--primary-color);
}
.column-title h3 {
  font-size: 1rem;
  text-transform: uppercase;
}
.column-title h3::after {
  content: attr(data-tasks);
  background: lightblue;
  margin-left: .25rem;
  border-radius: .25rem;
  padding: 0 0.25rem;
}
.column-title button {
  margin-left: auto;
  font-size: 2rem;
}
.tasks {
  min-height: var(--task-size);
  display: grid;
  align-content: start;
  gap: 0.5rem;
}
.tasks > * {
  background: #fff;
  border-radius: .25rem;
  padding: .875rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, .1);
  position: relative;
  min-height: var(--task-size);
}
.task {
  cursor: move;
  transition: 0.3s;
}
.task, .task * {
  pointer-events: auto;
}

.task.dragging {
  cursor: default;
  box-shadow: none;
  background: var(--secondary-color);
  opacity: 0.5;
}
.task.dragging * {
  visibility: hidden;
}
.task:not(.dragging):hover {
  background: var(--task-color);
}
.task menu {
  margin-top: 0.875rem;
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}
.task button {
  width: 1.5rem;
  height: 1.5rem;
  font-size: 1.25rem;
}
.task-input {
  outline: none;
  overflow-wrap: anywhere;
  padding-left: 2.5rem;
}
.task-input::before {
  content: "\F392";
  font-family: "bootstrap-icons";
  position: absolute;
  left: 0.875rem;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.5;
}
.task-input:empty::after {
  content: attr(data-placeholder);
  opacity: 0.5;
}