body {
  background: radial-gradient(circle at top, #1b2735, #090a0f);
  font-family: "Segoe UI", sans-serif;
  color: #e5e7eb;
  display: flex;
  justify-content: center;
  margin-top: 100px;
}


.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(90deg, #7c3aed, #22d3ee);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.7);
}

.nav-content {
  display: flex;
  align-items: center;
  height: 100%;
  padding-left: 20px;
  gap: 10px;
}

.logo {
  font-size: 24px;
  filter: drop-shadow(0 0 6px cyan);
}

.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr; 
  gap: 20px;
  align-items: start; 
}


.card {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 20px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.15);
}


.completed-card {
  min-height: 160px;
  width: 340px;
  margin-top: 80px;
}

.completed-card li {
  opacity: 0.7;
  border-color: rgba(34, 211, 238, 0.2);
}


.app-name {
  font-size: 18px;
  font-weight: bold;
  letter-spacing: 2px;
}


.app {
  background: rgba(15, 23, 42, 0.9);
  border-radius: 16px;
  padding: 24px;
  width: 340px;
  margin-top: 80px;
  border: 1px solid rgba(34, 211, 238, 0.3);
  box-shadow:
    0 0 20px rgba(34, 211, 238, 0.2),
    inset 0 0 10px rgba(124, 58, 237, 0.2);
}


h1 {
  text-align: center;
}

.input-group {
  display: flex;
  gap: 10px;
  justify-content: center;
}

input {
  background: #020617;
  border: 1px solid #22d3ee;
  color: white;
  padding: 10px;
  border-radius: 8px;

}

input:focus {
  outline: none;
  box-shadow: 0 0 10px #22d3ee;
}

button {
  background: linear-gradient(135deg, #7c3aed, #22d3ee);
  border: none;
  color: white;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: 0.2s;

}

button:hover {
  box-shadow: 0 0 12px #22d3ee;
  transform: scale(1.05);
}


ul {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

li {
  display: flex;
  align-items: center;
  justify-content: space-between; 
  gap: 10px; 

  background: rgba(2, 6, 23, 0.8);
  padding: 12px;
  border-radius: 8px;
  border: 1px solid rgba(124, 58, 237, 0.4);
  margin-bottom: 10px;
  flex: 1;
  transition: transform 0.2s ease, opacity 0.2s;
}

li button {
  border: 1px solid rgba(248, 113, 113, 0.6);
  border-radius: 6px;
}


@keyframes pop {
  from {
    transform: scale(0.9);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

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


.completed-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

#clear-completed {
  background: transparent;
  border: 1px solid rgba(248, 113, 113, 0.6);
  color: #f87171;
  padding: 4px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: 0.2s;
}

#clear-completed:hover {
  background: rgba(248, 113, 113, 0.15);
  box-shadow: 0 0 10px rgba(248, 113, 113, 0.4);
}