body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #f5f5f5;
  color: #2c3e50;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  text-align: center;
  padding: 1rem;
  background: #34495e;
  color: white;
}

.todo-container {
  padding: 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Toggle button */
.view-toggle {
  text-align: right;
  margin: 10px 0;
}
.view-toggle button {
  background: #4CAF50;
  color: white;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
.view-toggle button:hover {
  background: #45a049;
}

.list-box {
  margin-bottom: 2rem;
}

.task-box {
  background: white;
  border-radius: 8px;
  padding: 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  margin-bottom: 1rem;
}

.task-section {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Compact (default) = 4 per row */
.task-section .task-box {
  flex: 1 1 calc(25% - 1rem);
}

/* Expanded = 2 per row */
.expanded .task-section .task-box {
  flex: 1 1 calc(50% - 1rem);
}

.task-box form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.task-box input {
  flex: 1;
  padding: 0.4rem;
  border-radius: 6px;
  border: 1px solid #ccc;
}

.task-box button {
  padding: 0.4rem 0.8rem;
  border: none;
  background: #2ecc71;
  color: white;
  border-radius: 6px;
  cursor: pointer;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.task-item {
  background: #fff;
  border: 1px solid #000;
  border-radius: 50px;
  margin-bottom: 0.5rem;
  padding: 0.4rem 0.8rem;
  display: grid;
  grid-template-columns: 1fr 100px auto;
  align-items: center;
  gap: 0.5rem;
}

.task-col {
  font-size: .9rem;
  color: #000;
  padding-right: .6rem;
  border-right: 2px solid #000;
  overflow-wrap: anywhere;
  height: 100%;
  display: flex;
  align-items: center;
}

.due-col {
  font-size: .9rem;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

.done {
  background: none;
  border: none;
  color: red;
  font-size: 1rem;
  cursor: pointer;
}