@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

* {
    margin: 0;
    padding: 0;
    outline: none;
    transition: 0.3s;
    font-family: 'Montserrat', sans-serif;
}

:root,
:root.dark {
    --color-primary-bg: #22252d;
    --color-fg: #f8f8f9;
    --color-secondary-bg: #292d36;
    --color-buttons-bg: #272b33;
    --transition-delay: 0.5s;
}

:root.light {
    --color-primary-bg: #fff;
    --color-fg: #292d36;
    --color-secondary-bg: #f9f9f9;
    --color-buttons-bg: #f7f7f7;
}

body {
    background: rgb(238, 174, 202);
    background: radial-gradient(circle, rgba(238, 174, 202, 1) 0%, rgba(148, 187, 233, 1) 100%);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1em;
}

.container {
    display: flex;
    flex-direction: column;
    row-gap: 3px;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-bg);
    width: 300px;
    border-radius: 20px;
    padding-top: 20px;
    box-shadow: 0 0 20px 0 var(--color-secondary-bg);
}

.dark_mode {
    margin: 4px auto;
    background-color: var(--color-buttons-bg);
    padding: 4px 6px;
    border-radius: 8px;
}

.dark_mode .dark,
.dark_mode .light {
    font-size: 1rem;
    color: var(--color-fg);
    margin: 2px 8px;
    cursor: pointer;
}

.resultbox {
    width: 100%;
    height: 80px;
    text-align: center;
    padding-top: 40px;
}


.resultbox input {
    text-align: right;
    width: 80%;
    padding: 3px 10px;
    background: var(--color-primary-bg);
    border: 0;
    color: var(--color-fg);
    cursor: default;
}

.resultbox input[name="expression"] {
    letter-spacing: .2em;
}

.resultbox input[name="result"] {
    font-size: 1.8em;
    font-weight: 700;
    padding: 4px 10px;
    letter-spacing: .1em;
}

.buttons {
    width: calc(100% - 20px);
    background: var(--color-buttons);
    padding-top: 20px;
    padding: 20px 10px;
    padding-bottom: 30px;
    border-radius: 20px;
}

.buttons div {
    display: flex;
    justify-content: space-around;
    margin: 3px auto;
    margin: 8px auto;
}

.buttons div input {
    color: var(--color-fg);
    background: var(--color-buttons-bg);
    border: 0;
    width: 60px;
    padding: 20px 0;
    text-align: center;
    font-weight: bold;
    font-size: 1em;
    border-radius: 10px;
    cursor: pointer;
}

.fnkeys {
    color: #26fdd6 !important;
}

.operator {
    color: #f47a7a !important;
}