/* Base styles */
body {
  background: linear-gradient(135deg, #6a11cb, #2575fc);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  padding: 20px;
  transition: background 0.5s;
}

/* Header */
header {
  text-align: center;
  color: #fff;
  margin-bottom: 30px;
}

header h1 {
  font-size: 2rem;
  margin-bottom: 10px;
  animation: fadeIn 1s ease;
}

header p {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* To-Do container */
.todo-container {
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.25);
  text-align: center;
  animation: fadeIn 0.8s ease;
}

.todo-container h1 {
  margin-bottom: 20px;
  font-size: 1.8rem;
  color: #333;
}

/* Input area */
.input {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.input input {
  flex: 1;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 1rem;
  transition: border 0.3s, box-shadow 0.3s;
}

.input input:focus {
  border-color: #2575fc;
  box-shadow: 0 0 8px rgba(37, 117, 252, 0.5);
}

.input button {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: #2575fc;
  color: #fff;
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.3s, transform 0.2s;
}

.input button:hover {
  background: #6a11cb;
  transform: scale(1.05);
}

/* Task list */
ul {
  list-style: none;
  padding: 0;
}

li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  margin-bottom: 12px;
  background: #f1f1f1;
  border-radius: 8px;
  word-break: break-word;
  opacity: 0;
  transform: translateX(-50px);
  animation: slideIn 0.5s forwards;
  transition: background 0.3s, transform 0.3s, opacity 0.3s;
}

li:hover {
  background: #e0e0e0;
}

li button {
  background: #ff4d4d;
  border: none;
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

li button:hover {
  background: #ff1a1a;
  transform: scale(1.1);
}

/* Completed task */
li.completed {
  text-decoration: line-through;
  color: #999;
  background: #dcdcdc;
}

/* Footer fixed at bottom */
footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  background: rgba(0, 0, 0, 0.2);
  padding: 10px 0;
  font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(50px);
  }
}

/* Responsive breakpoints */

/* 1. Tablet */
@media (max-width: 768px) {
  header h1 {
    font-size: 1.7rem;
  }
  .todo-container h1 {
    font-size: 1.6rem;
  }
  .input input,
  .input button {
    font-size: 0.95rem;
  }
}

/* 2. Mobile large */
@media (max-width: 500px) {
  .input {
    flex-direction: column;
  }
  .input input,
  .input button {
    width: 100%;
  }
  header h1 {
    font-size: 1.5rem;
  }
  .todo-container h1 {
    font-size: 1.4rem;
  }
  li {
    font-size: 0.95rem;
  }
}

/* 3. Mobile small */
@media (max-width: 350px) {
  header h1 {
    font-size: 1.2rem;
  }
  .todo-container h1 {
    font-size: 1.2rem;
  }
  li {
    font-size: 0.9rem;
  }
  li button {
    padding: 4px 8px;
    font-size: 0.8rem;
  }
}
.more-projects-btn {
  margin-top: 30px;
  text-align: center;
}

.more-projects-btn button {
  padding: 12px 20px;
  border: none;
  border-radius: 8px;
  background: #2575fc;
  color: #fff;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.more-projects-btn button:hover {
  background: #6a11cb;
  transform: scale(1.05);
}

a {
  text-decoration: none;
  color: white;
}