body {
    background: #0b0f19;
    color: #fff;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    width: 90%;
    max-width: 700px;
    margin: 40px auto;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    text-shadow: 0 0 10px #00bfff;
}

.input-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.input-box input {
    padding: 10px;
    border-radius: 6px;
    border: none;
    width: 100%;
}

#addBtn {
    padding: 10px 20px;
    background: #00bfff;
    color: #000;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

#addBtn:hover {
    background: #1cb7ff;
}

#sessionList {
    list-style: none;
    padding: 0;
}

#sessionList li {
    padding: 10px;
    border-radius: 6px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-weight: bold;
}

.delete-btn {
    background: red;
    padding: 5px 12px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    color: #fff;
}