:root {
    --main_bg: #dddddd;
    --second_bg: #e7e7e7;
    --widget-background: rgba(225, 225, 225, 0.5);
    --button-background: rgba(255, 255, 255, 0.5);
    --popup-background: rgba(227, 220, 195, 0.747);

    --second-button-background: rgba(226, 226, 226, 0.5);
    --third-button-background: rgb(255, 166, 0);

    --border: rgba(0,0,0,0.1);

    --main-color: #c19512;

    --bright-color: #f8d262;
    --font-color: black;

    --radius: 8px;

}

@media screen  and (max-width: 760px)  {
    #mobilewarning {
        opacity: 1;
        visibility: visible;
    }
}

#mobilewarning {
    flex-direction: column;
    padding: 32px;
}

body > h1, body > p {
    display: none;
}

/* nav bar the top of the page */
navbar {
    position: fixed;
    top: 0;
    background-color: var(--second_bg);
    height: 44px;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding-right: 8px;
    gap: 16px;
    & > h2 {
        margin-block-start: 0.1em;
        margin-block-end: 0.1em;
    }

}

navbar > button {
    height: 32px;
    width: 128px;
}


body {
    background-size: cover;
    display: flex;
    justify-content: center; /* Centers horizontally (main axis) */
    align-items: center;     /* Centers vertically (cross axis) */
    height: 100vh;      
    overflow: hidden;

    margin: 0;

    font-family: "Google Sans", sans-serif;
}

.main {
    border-radius: var(--radius);
    background-color: var(--widget-background);
    height: fit-content;
    width: 400px;
    box-shadow: 8px 8px 32px rgba(0,0,0,0.3);
    outline: 1px solid var(--border);
}



.grid {
    gap: 8px;
    padding: 8px;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr 1fr 1fr 1fr 1fr;
    height: 400px;
}

.calc-screen {
    height: 124px;
    padding: 1rem;
}

#calc-operation {
    font-size: 1.3rem;
    text-align: right;
    color: #000000;
    padding-bottom: .5rem;
}

#calc-typed {
    font-size: 2rem;
    text-align: right;
    color: #000000;
    background-color: transparent;
    width: 100%;
    border: none;
    height: 64px;
}


.important {
    background-color: var(--third-button-background);

    &:hover {
        background-color: color-mix(in srgb, var(--third-button-background) 75%, transparent 25%);
    }
}

.action {
    background-color: var(--second-button-background);

    &:hover {
        background-color: color-mix(in srgb, var(--second-button-background) 75%, transparent 25%);
    }
}

#functionlist {
    padding: 32px;
    bottom: 0;
}

#info, #about {
    padding: 32px;
}

#banuser {
    flex-direction: column;
    padding: 32px;
    box-shadow: 0px 0px 0px 2000px rgba(0,0,0,0.4);
}

/* button types */

.pro-button {
    background: var(--bright-color);

    transition: transform 0.3s cubic-bezier(0.34, 2.1, 0.64, 1), box-shadow 0.3s;


    &:hover {
        box-shadow: 2px 2px 32px var(--bright-color);
        background-color: var(--bright-color);
        outline: none;
        transform: scale(1.1);
    }

    &:active {
        transform: scale(0.95);
    }
}

.ai-button {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 4px;
    background-color: var(--popup-background);

    &:hover {
        background-color: color-mix(in srgb, var(--bright-color) 50%, transparent 50%);
    }
}

.ai-button > .ai-spark {
    color: black;
    transition: border-radius 0.4s, rotate 0.4s, background-color 0.4s;
    border-radius: 50%;
}

.ai-button:hover > .ai-spark {
    background-color: var(--main-color);
    rotate: 270deg;
    border-radius: 25% 50% 25% 50%;
}

button {
    background-color: var(--button-background);
    color: var(--font-color);
    border: none;
    border-radius: var(--radius);
    outline: 1px solid var(--border);

    transition: outline 0.2s ease-out, background-color 0.2s ease-out;

    &:hover {
        background-color: var(--second-button-background);
        outline: 1px solid var(--main-color);
    }

    &:active {
        background-color: var(--popup-background);
    }
}

.close {
    position: absolute;
    top: 16px;
    right: 16px;
}

.freetiral {
    background-color: rgb(78, 201, 51);
    width: 128px;
    height: 32px;
    outline: none;

    &:hover {
        background-color: rgb(115, 223, 91);
        box-shadow: 2px 2px 32px rgb(128, 235, 104);
        outline: none;
    }
}

.subscribe {
    background-color: var(--bright-color);
    width: 128px;
    height: 32px;
    outline: none;

    &:hover {
        background-color: #f5d880;
    outline: none;}
}

.onetimebuy {
    background-color: black;
    color: white;
    width: 204px;
    height: 32px;

    &:hover {
        background-color: #222222;
        outline: none;
    }
}

/* popup */

popup {
    position: fixed;
    display: flex;
    background-color: var(--popup-background);
    border-radius: 32px;
    box-shadow: 0px 16px 32px rgba(0,0,0,0.5);
    backdrop-filter: blur(16px);
    overflow: hidden;

    visibility: hidden;
    opacity: 0;
    transform: scale(0.75);
    transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1), visibility 0.4s, opacity 0.4s ease-out;
}


.shownpopup {
    visibility: visible;
    transform: scale(1);
    opacity: 1;
}

sidebar {
    padding: 64px 64px 64px 0;
}

popup > img {
    mask-image: linear-gradient(90deg,black 25%, transparent);
    object-fit: cover;
    width: 526px;
}

/* buy popup */
payment {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--button-background);
    padding: 32px 0;
    border-radius: 32px;

    & > row > span {
        width: 84px;
        display: inline-flex;
    }
}

#purchasepopup {
    padding: 64px;
}

input {
    background-color: transparent;
    border: none;
    outline: none;
    border-bottom: 1px solid black;
    height: 22px;

    &:focus {
        border-bottom: 1px solid var(--main-color);
    }
}

#payment_successful {
    background-color: rgba(0,0,0,0.8);
    position: absolute;
    top:0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s;
}

.payment-successful {
    opacity: 1 !important;
    visibility: inherit !important;
}

/* robot */
#areyouarobot {
    padding: 32px;
}

capcha {
    color: #000;
    cursor: pointer;
    font-family: Roboto, helvetica, arial, sans-serif;

    align-items: center;
    background-color: #f9f9f9;
    border: 1px solid #d3d3d3;
    border-radius: 3px;
    box-shadow: 0 1px 3px 1px rgba(0, 0, 0, .06);
    display: flex;
    height: 76px;
    position: relative;
    width: 50%;

    & > #verifiy-robot {
        background-color: #fff;
        border: 2px solid #c3c3c3;
        border-radius: 2px;
        cursor: pointer;
        height: 27px;
        left: 0;
        outline: none;
        top: 50%;
        width: 27px;
        z-index: 2;
        margin-left: 14px;
        margin-right: 14px;
    }

    & > span {
        color: #000;
        font-size: 16px;
        font-weight: 400;
    }

    & > .logo {
        align-items: center;
        display: flex;
        flex-direction: column;
        justify-content: center;
        position: absolute;
        right: 16px;
        gap: 4px;

        & > div {
            color: #555;
            font-size: 10px;
        }
    }
}

.capchafail {
    animation: shake 1s 0.5s;
}

.checkmark-spinner-shown {
    opacity: 1 !important;
}

.checkmark-spinner {
    animation: spinner-spin 2.5s linear infinite;
    border-color: #4d90fe #4d90fe transparent transparent;
    border-radius: 36px;
    border-style: solid;
    border-width: 6px;
    box-sizing: border-box;
    height: 36px;
    left: -4px;
    outline: 0;
    top: -4px;
    transform: rotate(0deg);
    transition-duration: 0.4s;
    width: 36px;
    opacity: 0;
    position: absolute;
    translate: 0 65%;
    margin-left: 14px;
    margin-right: 14px;
}

.tick {
    height: 36px;
    left: -4px;
    outline: 0;
    top: -4px;
    transform: rotate(0deg);
    transition-duration: 1s;
    width: 36px;
    position: absolute;
    translate: 0 50%;
    margin-left: 14px;
    margin-right: 14px;
}


@keyframes spinner-spin {
    0% {
        transform: rotate(0deg);
    }

    10% {
        transform: rotate(135deg);
    }

    20% {
        transform: rotate(245deg);
    }

    60% {
        transform: rotate(700deg);
    }

    75% {
        transform: rotate(810deg);
    }

    100% {
        transform: rotate(3turn);
    }
}



@keyframes shake {
    0% {
        transform: translateX(0px);
        box-shadow: 0 1px 3px 1px rgba(0, 0, 0, .06);
    }
    20% {
        transform: translateX(-8px);
        box-shadow: 0 1px 3px 1px rgba(255, 0, 0, 0.06);
    }
    40% {
        transform: translateX(8px);
    }
    60% {
        transform: translateX(-8px);
    }
    80% {
        transform: translateX(8px);
    }
    100% {
        transform: translateX(0px);
        box-shadow: 0 1px 3px 1px rgba(0, 0, 0, .06);
    }
}

@keyframes dropdown {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0px);
    }
}


@keyframes showad {
    0% {
        display: none;
    }
    99% {
        display: none;
    }
    100% {
        display: fixed;
    }
}