* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
    scroll-behavior: smooth;
    text-decoration: none;
    list-style: none;
    outline: none;
    border: none;
    user-select: none;
    -webkit-user-select: none;
}

body {
    background: linear-gradient(to right, #0f1b4e 0%, #05011d 100%);
}

.container {
    margin: 0 auto;
    padding: 10px;
    color: #ede8e8;
    background-color: #3a3f58;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin-top: 50px;
    text-align: center;

}

button {
    cursor: pointer;
}

a {
    color: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Poppins', sans-serif;
    color: #ede8e8;
}


/* ---- utility classes ---- */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: #bec0ca !important;
    color: #ede8e8;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);

}


#addTaskButton {
    background: #3a3f58 !important;
    color: #fff;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-radius: 5px;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    margin-left: 10px;
    border: 2px solid #555b7e;
}

#addTaskButton:hover {
    background: #555b7e !important;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

#taskInput {
    border-radius: 5px;
    border: 1px solid #ccc;
    padding: 5px;
    font-size: 16px;
    width: 15%;
    margin-right: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#taskInput:focus {
    border-color: #555b7e;
    box-shadow: 0 0 5px rgba(85, 91, 126, 0.5);
    outline: none;
}

.main {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    width: 50%;
    margin: auto;
}

.btn {
    font-size: medium;
    font-weight: bold;
    background-color: #555b7e !important;
    color: #fff;
    border: 2px solid #555b7e !important;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    padding: 10px 20px;
    cursor: pointer;
    margin: 5px;
    text-decoration: none;
    text-align: center;



}

.btn:hover {
    background-color: #3a3f58 !important;
    color: #fff;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;

}


.list-group-item {
    background: #555b7e;
    color: #fff;
    padding: 5px;
    margin-bottom: 10px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: start;
    font-size: 18px;
    font-weight: 500;
    border: 1px solid #444b6e;

}

.delete-btn {
    color: #fff !important;
    border: none;
    padding: 15px 15px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s ease;
    background: #3A3F58;
    font: 1em sans-serif;
    font-weight: 600;
    margin-top: 20px;
    border: 2px solid #565f8b;


}

.delete-btn:hover {
    background: #444b6e;
    color: #fff !important;
    transition: all 0.3s ease;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}


/* Responsive styles for all screens */

/* Tablets and below */
@media (max-width: 900px) {
    .main {
        width: 80%;
        height: auto;
        min-height: 100vh;
    }
    .container {
        max-width: 90%;
        padding: 10px 5px;
    }
    #taskInput {
        width: 40%;
    }
}

/* Mobile devices */
@media (max-width: 600px) {
    .main {
        flex-direction: column;
        width: 100%;
        height: auto;
        min-height: 100vh;
        padding: 0 5px;
    }
    .container {
        max-width: 100%;
        margin-top: 20px;
        padding: 10px 2px;
    }
    #taskInput {
        width: 70%;
        font-size: 14px;
        margin-bottom: 10px;
    }
    #addTaskButton, .btn, .delete-btn {
        padding: 8px 12px;
        font-size: 14px;
    }
    .list-group-item {
        font-size: 15px;
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 5px;
    }
}

/* Extra small devices */
@media (max-width: 400px) {
    h1, h2, h3 {
        font-size: 1.2em;
    }
    #taskInput {
        width: 90%;
    }
    .container {
        padding: 5px 1px;
    }
    .delete-btn {
        padding: 15px 15px;
        font-size: 16px;
        margin-top: 10px;
        flex: 1 1 auto;
        margin-left: -160px;
    }

}