body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
    background-color:#27374D ;
}

h1 {
    color: #DDE6ED;
    margin-bottom: 20px;
    font-size: 2.2em;
    text-align: center;
}

#taskInput {
    width: 100%;
    max-width: 600px;
    padding: 14px;
    margin-bottom: 15px;
    border: 1px solid #526D82;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    transition: all 0.3s ease;
    box-sizing: border-box;
    background-color: #9DB2BF;
    color: black;
}

#taskInput:focus {
    border-color: white;
    box-shadow: 0 0 8px rgba(191, 203, 214, 0.4);
}

button {
    background-color: #526D82;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-bottom: 15px;
}

button:hover {
    background-color: #006bb3;
    transform: translateY(-2px);
}

ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: 600px;
}

li {
    background: #DDE6ED;
    margin-bottom: 10px;
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

li:hover {
    background: #f9f9f9;
}

li button {
    background-color: #27374D;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 14px;
    border: none;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

li button:hover {
    background-color: #526D82;
}