* {
    padding: 0;
    margin: 0;
    font-family: 'Times New Roman', Times, serif;
    box-sizing: border-box;
}

body {
    background: rgba(19, 19, 19, 0.3);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
}

/* Top Header */
.header {
    width: 100%;
    background: #3f3f3f;
    color: white;
    text-align: center;
    padding: 15px;
    box-shadow: 0px 4px 10px rgba(0,0,0,0.5);
}

.header h2 {
    margin-bottom: 5px;
    font-size: 24px;
    color: aqua;
}

.header p {
    font-size: 18px;
    font-weight: bold;
    color: yellow;
}

.container {
    width: 90%;
    max-width: 700px;
    background: #f8f5f5;
    box-shadow: 10px 10px 15px #3f3f3f;
    padding: 20px;
    border-radius: 1rem;
    margin-top: 20px;
}

h1 {
    color: rgb(106, 0, 255);
    font-weight: bolder;
    text-align: center;
    margin-bottom: 20px;
}

.input-section {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

input {
    flex: 1;
    min-width: 200px;
    height: 35px;
    padding-left: 13px;
    color: red;
    background: #d0c4c4;
    border: solid #3f3f3f;
    font-size: larger;
    border-radius: 1.2rem;
    box-shadow: 3px 3px 5px rebeccapurple;
}

input::placeholder {
    color: red;
    padding-left: 10px;
    font-size: larger;
    font-weight: 600;
}

button {
    padding: 8px 15px;
    border-radius: 1.2rem;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: 0.3s;
}

#add {
    background: blue;
    color: white;
    box-shadow: 3px 3px 5px rebeccapurple;
}

#download {
    background: green;
    color: white;
    box-shadow: 3px 3px 5px rebeccapurple;
}

ol {
    margin-top: 20px;
    padding-left: 20px;
}

ol li {
    display: flex;
    justify-content: space-between;
    align-items: center;
   /* background: #3f3f3f;*/
    color: rgb(22, 21, 21);
    font-size: 30px;
    font-weight: bold;
    padding: 10px;
    border-radius: 0.8rem;
    margin-top: 10px;
    position: relative;
    cursor: pointer;
}

ol li button {
    display: none;
    background: red;
    color: white;
    padding: 5px 10px;
    border-radius: 1rem;
    font-size: 14px;
}

ol li.show-delete button {
    display: inline-block;
}

@media (max-width: 600px) {
    .header h2 {
        font-size: 20px;
    }

    .header p {
        font-size: 16px;
    }

    h1 {
        font-size: 20px;
    }

    input {
        font-size: 16px;
    }

    button {
        font-size: 14px;
        padding: 6px 12px;
    }

    ol li {
        font-size: 16px;
        flex-direction: column;
        align-items: flex-start;
    }

    ol li button {
        margin-top: 5px;
    }
}