/* === Base Reset === */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #111;
  color: #fff;
}

/* === Typography === */
h1, h2, h3 {
  color: #f00;
  text-align: center;
  margin-top: 20px;
}

/* === Form Input === */
input[type="text"],
input[type="email"],
input[type="password"] {
  width: 100%;
  max-width: 100%;
  padding: 12px;
  margin: 10px 0;
  border: 1px solid #f00;
  border-radius: 5px;
  background-color: #222;
  color: #fff;
  font-size: 1em;
}

/* === Buttons === */
button {
  width: 100%;
  padding: 12px;
  margin: 10px 0;
  background-color: #f00;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 1em;
  cursor: pointer;
  transition: background-color 0.3s;
}

button:hover {
  background-color: #c00;
}

/* === Container / Card === */
.container,
#todo-area,
.content {
  width: 90%;
  max-width: 500px;
  margin: 30px auto;
  padding: 20px;
  background-color: #1c1c1c;
  border-radius: 10px;
  border: 1px solid #333;
}

/* === List Style === */
ul {
  list-style: none;
  padding: 0;
  margin: 10px 0;
}

li {
  background-color: #222;
  padding: 10px;
  margin-bottom: 8px;
  border-left: 4px solid #f00;
  border-radius: 4px;
  font-size: 0.95em;
}

/* === User Info Section === */
.user-info {
  text-align: center;
  margin-top: 10px;
  font-size: 0.9em;
  color: #ccc;
}

/* === Logout Button (Optional) === */
.logout-btn {
  background-color: transparent;
  border: 1px solid #f00;
  color: #f00;
  margin-top: 20px;
}

.logout-btn:hover {
  background-color: #f00;
  color: #fff;
}

/* === Responsive Adjustments === */
@media (max-width: 480px) {
  h1, h2, h3 {
    font-size: 1.2em;
  }

  input, button {
    font-size: 0.95em;
  }

  .container {
    padding: 15px;
  }

  li {
    font-size: 0.9em;
  }
}