body {
  font-family: system-ui, sans-serif;
  background: #f4f6f8;
  color: #333;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  min-height: 100vh;
  padding: 40px;
}

.app-container {
  width: 100%;
  max-width: 550px;
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4); /* stronger shadow */
  animation: fadeIn 0.8s ease;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  font-size: 2rem;
}

.highlight {
  color: #00b894;
}

.dashboard {
  display: flex;
  justify-content: space-between;
  margin-bottom: 15px;
  font-weight: bold;
}

form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
}

label {
  font-size: 0.9rem;
  color: #555;
}

input, select, button {
  padding: 10px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1rem;
}

button {
  background: #00b894;
  color: #fff;
  cursor: pointer;
  font-weight: bold;
  transition: transform 0.2s, background 0.2s;
}

button:hover {
  background: #019875;
  transform: scale(1.03);
}

.filters {
  display: flex;
  justify-content: space-around;
  margin-bottom: 15px;
}

.filters button {
  background: #e0e0e0;
  color: #555;
  transition: all 0.2s;
}

.filters button.active {
  background: #00b894;
  color: #fff;
}

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

li {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: #f9f9f9;
  margin-bottom: 10px;
  padding: 12px;
  border-radius: 10px;
  border-left: 6px solid; /* priority-specific */
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  animation: pushDown 0.5s ease;
}

li.completed {
  opacity: 0.6;
  text-decoration: line-through;
}

li .top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

li span.title {
  font-weight: bold;
  margin-left: 8px;
  flex: 1;
}

.labels {
  margin-top: 5px;
  display: flex;
  gap: 10px;
  font-size: 0.8rem;
}

.label-priority-high { color: #ff3b3b; }
.label-priority-medium { color: #ffd43b; }
.label-priority-low { color: #00b894; }

/* Task Border Colors by Priority */
li.priority-high { border-left-color: #ff3b3b; }
li.priority-medium { border-left-color: #ffd43b; }
li.priority-low { border-left-color: #00b894; }

li button {
  margin-left: 6px;
  background: #ddd;
  color: #555;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

li button:hover {
  background: #ccc;
  color: #333;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pushDown {
  0% { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Pop animation for dashboard counters */
@keyframes pop {
  0% { transform: scale(1); color: #333; }
  50% { transform: scale(1.3); color: #00b894; }
  100% { transform: scale(1); color: #333; }
}

.dashboard span.pop {
  animation: pop 0.3s ease;
}