/* Body Styling */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #ffffff;
  color: #333333;
  display: flex;
  justify-content: center;
  padding: 50px 20px;
  transition: background-color 0.3s, color 0.3s;
}

/* Dark Theme */
body.dark {
  background-color: #1e1e1e;
  color: #e0e0e0;
}

/* Container Box */
.container {
  background-color: #f4f4f4;
  padding: 30px;
  border-radius: 20px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s;
}

/* Dark Theme Container */
body.dark .container {
  background-color: #2b2b2b;
}

/* Header Layout */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Theme Toggle Button */
#themeToggle {
  font-size: 1.2rem;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
}

/* Input + Add Button Layout */
.input-container {
  display: flex;
  margin-top: 20px;
  gap: 10px;
}

/* Input Box */
input[type="text"] {
  flex: 1;
  padding: 10px;
  border: 2px solid #4a90e2;
  border-radius: 10px;
  outline: none;
  font-size: 1rem;
}

/* Button Styles */
button {
  padding: 10px 15px;
  background-color: #4a90e2;
  color: white;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s;
}

/* Hover Effect */
button:hover {
  background-color: #0063c6;
}

/* Task List */
ul {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}

/* Individual Task */
li {
  background: white;
  padding: 12px;
  margin-bottom: 10px;
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

/* Dark Mode Task */
body.dark li {
  background: #3b3b3b;
}

/* Completed Task Style */
li.completed span {
  text-decoration: line-through;
  color: #888888;
}

/* Task Text */
li span {
  cursor: pointer;
  flex-grow: 1;
}

/* Delete Button Style */
li button.delete {
  background-color: red;
  padding: 5px 10px;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
}

@media (max-width: 420px){
    h1{
        font-size: x-large;
    }

}