style.css

@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;900&family=Tilt+Warp:wght@600&display=swap');

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #FFFDF8;
    margin: 0;
    overflow-y: scroll;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.75) #add8e6;
    background-image: url('bg-top-left.svg');
    background-repeat: no-repeat;
    background-position: top left;
    background-size: auto;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background-color: #e7e7e7;
    border: 1px solid #cacaca;
}

::-webkit-scrollbar-thumb {
    border-radius: 8px;
    border: 3px solid transparent;
    background-clip: content-box;
    background-color: #807a73;
}

#main-card {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    overflow: hidden;
    max-width: 1000px;
    width: auto;
    margin: 20px;
    padding: 10px;
    box-shadow: 1px 43px 56px 16px rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4px;
}

#card-content-left,
#card-content-right,
#card-content-receipt {
    padding: 10px;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: center;
}

#card-content-left {
    background-image: url('bg.png');
    background-size: cover;
    background-position: center;
    color: black;
    align-items: center;
    padding-left: 60px;
    padding-right: 60px;
    padding-top: 25px;
    min-height: 750px;
}

#card-content-left h1,
#card-content-receipt h1 {
    font-family: 'Tilt Warp', sans-serif;
    font-weight: 600;
    width: 100%;
}

#card-content-left .emoji,
#card-content-receipt .emoji {
    font-size: 100px;
    margin-bottom: 20px;
}

#card-content-left ul {
    list-style-type: disc;
    padding-left: 20px;
    text-align: left;
    margin-top: 10px;
}

#card-content-left ul li {
    margin-bottom: 13px;
}

#card-content-right {
    color: black;
    background-color: white;
    align-items: center;
    display: flex;
    flex-direction: column;
}

#card-content-receipt {
    color: black;
    background: none;
    border: 1px solid #e6e6e6;
    align-items: center;
    display: flex;
    flex-direction: column;
    padding-left: 60px;
    padding-right: 60px;
    padding-top: 25px;
    min-height: 750px;
}

#badge {
    display: inline-block;
    padding: 2px 10px;
    background-color: #000000;
    border-radius: 50px;
    font-weight: 700;
    color: rgb(255, 255, 255);
    font-size: 1rem;
    text-align: center;
    margin-bottom: 20px;
}

#amount {
    font-family: 'Roboto', sans-serif;
    font-weight: 900;
    font-size: 3rem;
    width: calc(100% - 30px);
    max-width: 350px;
    color: black;
    border: none;
    border-radius: 4px;
    background-color: white;
    text-align: center;
    margin: 0;
}

#amount::-webkit-outer-spin-button,
#amount::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

#amount[type='number'] {
    -moz-appearance: textfield;
}

#amount:focus {
    outline: none;
}

#amount::placeholder {
    font-weight: 900;
    color: gray;
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

form label, form input, form button {
    padding: 10px;
    font-size: 1rem;
    width: calc(100% - 40px);
    color: black;
}

form input, form button {
    border: none;
    border-radius: 4px;
    margin-bottom: 13px;
}

form input {
    background-color: white;
    border: 1px solid #e6e6e6;
    height: 55px;
}

form input:focus {
    outline: 1px solid black;
    border-color: black;
}

form button, form input[type="submit"] {
    background-color: white;
    color: black;
    border: 1px solid #e6e6e6;
    cursor: pointer;
    height: 55px;
}

form button:hover, form input[type="submit"]:hover {
    background-color: #fafafa;
    box-shadow: 0px 10px 30px rgba(26, 112, 38, 0.2);
}

form input[type="submit"] {
    box-shadow: 0px 10px 30px rgba(52, 189, 70, 0.2);
}

#watermark-container {
    margin-bottom: 6px;
}

#email {
    height: 55px;
    margin-bottom: 0px;
}

#show_cards {
    cursor: pointer;
    margin-bottom: 0px;
}

#paypal_button_container, #venmo_button_container, #card_fields {
    width: calc(100% - 40px);
    margin-bottom: 11px;
}

#loading {
    border: 10px solid #f3f3f3; /* Light grey */
    border-top: 10px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 2s linear infinite;
    margin: auto; /* Center the loader horizontally */
    margin-bottom: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

table, th, td {
    border: 1px solid #e6e6e6;
}

th, td {
    padding: 10px;
    text-align: left;
}

@media (max-width: 768px) {
    #main-card {
        grid-template-columns: 1fr;
    }

    #card-content-left,
    #card-content-right,
    #card-content-receipt {
        padding: 10px;
    }

    #main-card {
        margin: 10px;
        padding: 10px;
    }

    #badge, #amount {
        width: calc(100% - 20px);
    }

    form label, form input, form button, #paypal_button_container, #venmo_button_container, #card_fields {
        width: calc(100% - 20px);
    }
}