/* 1. The Canvas */
body {
    background-color: #121212; /* Deep Dark Mode */
    color: #e0e0e0;
    font-family: 'Inter', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 100px;
    margin: 0;
}

/* 2. The Header */
h1 {
    color: #00ffab; /* Teacher Green */
    letter-spacing: 1px;
    margin-bottom: 30px;
}

/* 3. The Input Group */
input {
    padding: 12px;
    width: 250px;
    border-radius: 5px;
    border: 1px solid #333;
    background: #1e1e1e;
    color: white;
    outline: none;
}

button {
    padding: 12px 20px;
    background-color: #00ffab;
    color: #121212;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background-color: #00cc88;
    transform: scale(1.05);
}

/* 4. The List Area */
ul {
    list-style: none; /* Remove ugly bullet points */
    padding: 0;
    margin-top: 30px;
    width: 300px;
}

li {
    background: #1e1e1e;
    margin-bottom: 10px;
    padding: 15px;
    border-radius: 8px;
    border-left: 5px solid #00ffab;
    animation: fadeIn 0.5s ease; /* A tiny bit of magic */
}

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