html {
    font-size: min(7vw, 10mm);
    --bg-color: #a8c64e;
    --fg-color: #3c412c;
}

* {
    box-sizing: border-box;
    font-family: "VT323";
    color: var(--fg-color);
    border-color: var(--fg-color);
    touch-action: manipulation;
}

body {
    width: 100dvw;
    height: 100dvh;
    font-size: 1rem;
    padding: 5vw 5vw;
    margin: 0;
    background-color: var(--bg-color);
    font-weight: 400;
    font-style: normal;
    overflow: auto;
    box-sizing: border-box;
    user-select: none;
    -webkit-user-select: none;
}

.screen {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    overflow: auto;
}

.hidden {
    display: none !important;
}

#friend-code {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.3rem;
    max-width: 10cm;
}

.digit {
    border-bottom: 0.1rem solid var(--fg-color);
    font-size: 1rem;
    line-height: 1rem;
    flex-grow: 1;
    padding: 0.2rem 0;
    text-align: center;
    white-space: pre;
}

.digit.focus {
    background-color: var(--fg-color);
    color: var(--bg-color);
}

.gap {
    width: 0.2rem;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: 1fr 1fr;
    gap: 0.3rem;
    width: 100%;
    max-width: 10cm;
}

.keypad-btn {
    background-color: transparent;
    font-size: 1rem;
    border-radius: 0.2rem;
    border-width: 0.1rem 0.1rem 0.2rem 0.1rem;
    aspect-ratio: 1;
    padding: 0;
    margin: 0;
}

.keypad-btn:active,
.keypad-btn:target {
    border-width: 0.2rem 0.1rem 0.1rem 0.1rem;
}
.keypad-btn:focus {
    outline: 0.1em solid var(--fg-color);
}

.inverted {
    background-color: var(--fg-color);
    color: var(--bg-color);
    border-color: var(--bg-color);
}

.own-code-container {
    width: 100%;
    max-width: 10cm;
    padding-bottom: 1rem;
    display: flex;
    gap: 1em;
    flex-direction: column;
}

#own-code {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.3rem;
    max-width: 10cm;
    padding-bottom: 1rem;
}

#own-code .digit {
    background-color: var(--fg-color);
    color: var(--bg-color);
}

#connect-btn {
    background-color: transparent;
    font-size: 1rem;
    border-radius: 0.2rem;
    border-width: 0.1rem 0.1rem 0.2rem 0.1rem;
    padding: 0.3rem;
    margin: 0;
}