* {
    box-sizing: border-box;
}

html {
    color-scheme: light;
}

body {
    margin: 0;
    min-height: 100vh;
    overflow-y: scroll;
    color: #222;
    background-color: #00ADE6;
    font-family: Georgia, serif;
    font-size: 120%;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    font: inherit;
}

#obal {
    width: min(96%, 900px);
    margin: 0 auto;
    padding: 3px;
}

#hlavicka {
    display: flex;
    justify-content: space-between;
    gap: .5rem;
    width: 100%;
    margin-bottom: .2rem;
    padding: .4rem 1%;
    overflow: hidden;
    background-color: #FFF7E6;
    border: 2px solid #333;
    border-radius: 10px;
    box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
}

#hlavicka .polozka {
    align-self: center;
    padding: 0 1%;
}

#hlavicka .polozka:nth-child(2) {
    flex: 1;
    min-width: 0;
    text-align: center;
}

#hlavicka .polozka.prazdna {
    width: 60px;
    flex: 0 0 60px;
}

#homepage img {
    display: block;
    width: 60px;
    max-width: 100%;
    height: auto;
}

#hlavicka h1 {
    margin: 0;
    font-family: Georgia, serif;
    font-size: 200%;
    font-weight: normal;
    line-height: 1.15;
    white-space: nowrap;
}

#ovladaci-radek {
    display: flex;
    align-items: center;
    gap: .5rem;
    margin: .2rem 0 .45rem;
    padding: .35rem .4rem;
}

#popisek {
    flex: 1 1 auto;
    min-width: 0;
    margin: 0;
    padding: .15rem 0;
    color: #fff;
    font-size: 118%;
    line-height: 1.25;
}

#akce,
#spodniLista button,
#zprava button {
    min-height: 44px;
    padding: .45rem .8rem;
    color: #222;
    background: #fff;
    border: 2px solid #333;
    border-radius: 8px;
    font-family: Georgia, serif;
    cursor: pointer;
}

#akce {
    flex: 0 0 auto;
    min-width: 44px;
    margin-left: .5rem;
    font-size: 118%;
    line-height: 1.1;
    white-space: nowrap;
}

#homepage a:focus-visible,
button:focus-visible {
    outline: 4px solid #6b4a2d;
    outline-offset: 3px;
}

#hlavniObsah {
    width: 100%;
    padding: clamp(.7rem, 2.5vw, 1.4rem);
    text-align: center;
    background-color: #fff;
    border: 2px solid #333;
    border-radius: 10px;
    box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
}

#karticky {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .65rem;
    align-items: stretch;
}

.karticka {
    position: relative;
    display: flex;
    min-width: 0;
    min-height: 44px;
    padding: .35rem;
    flex-direction: column;
    align-items: stretch;
    gap: .3rem;
    overflow: hidden;
    color: #111;
    background: #fff;
    border: 3px solid #555;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, .22);
    cursor: pointer;
}

.karticka:hover {
    background-color: #e9f8fd;
    border-color: #222;
}

.karticka.selected,
.karticka[aria-pressed="true"] {
    background-color: #fff4bd;
    border-color: #8a6800;
}

.karticka.spravne {
    background-color: #dff4d0;
    border-color: #286900;
}

.karticka.chybne {
    background-color: #ffe1e8;
    border-color: #8a1231;
}

.obrazek-karticky {
    display: block;
    width: 100%;
    aspect-ratio: 1 / .76;
    overflow: hidden;
    background: #fff8b8;
    border-radius: 6px;
}

.obrazek-karticky img {
    display: block;
    width: 100%;
    height: auto;
}

.slovo-karticky {
    display: block;
    min-height: 1.4em;
    font-size: clamp(1rem, 2.2vw, 1.45rem);
    font-weight: bold;
    line-height: 1.15;
    text-transform: uppercase;
    overflow-wrap: anywhere;
}

.slovo-karticky .i-y {
    color: #c92323;
}

.slovo-karticky.dlouhe-slovo {
    font-size: clamp(.78rem, 1.65vw, 1.08rem);
    white-space: nowrap;
    overflow-wrap: normal;
}

.stav-karticky {
    position: absolute;
    top: .2rem;
    right: .2rem;
    display: grid;
    place-items: center;
    width: 1.8rem;
    height: 1.8rem;
    color: #fff;
    background: #333;
    border: 2px solid #fff;
    border-radius: 50%;
    font-weight: bold;
    line-height: 1;
}

.karticka.spravne .stav-karticky {
    background: #286900;
}

.karticka.chybne .stav-karticky {
    background: #8a1231;
}

#karticky .karticka:nth-child(11) {
    grid-column: 2;
}

#spodniLista {
    display: flex;
    justify-content: center;
    gap: .75rem;
    margin-top: 1rem;
}

#zkontrolovat {
    background-color: #dff4d0;
}

#zkontrolovat:hover,
#zkontrolovat:focus-visible {
    background-color: #c7e8ad;
}

#zrusitVyber:hover,
#zrusitVyber:focus-visible,
#akce:hover,
#akce:focus-visible,
#zprava button:hover,
#zprava button:focus-visible {
    background-color: #f2f2f2;
}

#stav {
    min-height: 1.5em;
    margin: .8rem 0 0;
    font-weight: bold;
}

#zprava {
    width: min(92%, 440px);
    padding: 1.25rem;
    color: #222;
    text-align: center;
    background-color: #FFF6D7;
    border: 2px solid #333;
    border-radius: 10px;
    box-shadow: 0 0 1.2em rgba(0, 0, 0, .55);
}

#zprava::backdrop {
    background: rgba(0, 0, 0, .45);
}

#zprava h2 {
    margin: 0 0 .75rem;
    font-size: 150%;
}

.dialogove-akce {
    display: flex;
    justify-content: center;
    gap: .75rem;
    margin-top: 1rem;
}

@media (max-width: 900px) {
    #hlavicka h1 {
        font-size: 170%;
        white-space: normal;
    }
}

@media (max-width: 720px) {
    #obal {
        width: calc(100% - 16px);
        padding: 0;
    }

    #homepage img {
        width: 50px;
    }

    #hlavicka .polozka.prazdna {
        width: 50px;
        flex-basis: 50px;
    }

    #karticky {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    #karticky .karticka:nth-child(11) {
        grid-column: auto;
    }

    .slovo-karticky {
        font-size: clamp(1rem, 4vw, 1.35rem);
    }
}

@media (max-width: 540px) {
    #hlavicka {
        padding: .3rem 1%;
    }

    #hlavicka h1 {
        font-size: 130%;
    }

    #homepage img {
        width: 44px;
    }

    #hlavicka .polozka.prazdna {
        width: 44px;
        flex-basis: 44px;
    }

    #ovladaci-radek {
        gap: .35rem;
        padding: .35rem;
    }

    #popisek {
        font-size: 100%;
    }

    #akce {
        margin-left: 0;
        padding: .35rem .55rem;
        font-size: 100%;
    }

    #hlavniObsah {
        padding: .6rem;
    }

    #karticky {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: .5rem;
    }

    .slovo-karticky {
        font-size: clamp(1rem, 5.7vw, 1.35rem);
    }

    #spodniLista {
        flex-direction: column;
    }

    #spodniLista button {
        width: 100%;
    }
}

@media (max-width: 360px) {
    #hlavicka h1 {
        font-size: 112%;
    }

    #popisek {
        font-size: 92%;
    }
}