/* Import Google Font */
@import url('https://fonts.googleapis.com/css2?family=Ubuntu:wght@300;400;500;700&display=swap');

/* Reset and global styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Ubuntu';
}

body {
  background-color: #78909c;
  padding: 10px;
}

body h2 {
  margin: 20px 0 8px 30px;
  color: #212121;
}

/* Layout for columns */
.container {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}

/* Column style */
.box-column {
  margin-top: 15px;
  width: 320px;
}

/* Header of each column */
.box-header {
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin-bottom: 10px;
}

/* Task counter */
.box-header span {
  margin-left: 5px;
  background-color: #fff;
  padding: 3px 6px;
  border-radius: 3px;
  color: #1976d2;
}

/* Add button icon */
.box-header i {
  margin-right: 5px;
  color: #fff;
  cursor: pointer;
}

/* Task card style */
.box {
  background-color: #fff;
  padding: 7px 20px;
  border-radius: 8px;
  height: 142px;
  cursor: pointer;
  margin: 15px 5px;
  transition: all 0.2s;
}

/* Hover effect */
.box:hover {
  transform: translateY(-3px);
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.23);
}

/* Task text */
.box p {
  margin: 2px 0 15px;
  font-size: 14px;
  font-weight: 400;
}

/* Tag label */
.tag {
  padding: 5px 8px;
  font-size: 13px;
  font-weight: bold;
  color: #fff;
  line-height: 50px;
  border-radius: 4px;
}

/* Tag colors */
#red { background-color: #f44336; }
#green { background-color: #4caf50; }
#yellow { background-color: #fbc02d; }

/* Footer section of task */
.box-footer {
  display: flex;
  list-style: none;
  justify-content: space-between;
  align-items: center;
  margin-top: 10px;
  font-size: 14px;
  color: #757575;
}

.comment {
  display: flex;
  align-items: center;
}

.box-footer i {
  margin-right: 5px;
}

.date {
  display: flex;
}

/* Drag and drop effect */
.box {
  cursor: grab;
}

.dragging {
  opacity: 0.4;
  transform: scale(0.95);
}

/* Delete button */
.delete-btn {
  color: red;
  cursor: pointer;
  float: right;
}