.back-button {
    position: absolute;
    top: 20px;
    left: 20px;
    text-decoration: none;
    font-size: 24px;
    color: black;
}

.nadpis {
    font-size: clamp(36px, 5vw, 48px);
    font-weight: bold;
    color: white;
    text-shadow: 0 4px 6px rgba(0,0,0,0.3);
    margin-bottom: clamp(20px, 4vh, 40px);
    text-align: center;
}

.buttons-container {
    display: flex;
    gap: clamp(5px, 1vw, 30px);
    flex-wrap: wrap;
    justify-content: center;
    width: 100%;
    max-width: 1400px;
    padding: 0 clamp(10px, 2vw, 20px);
}

.square-button {
    flex: 0 1 calc(20% - clamp(15px, 3vw, 30px));
    aspect-ratio: 1/1;
    min-width: 200px;
    max-width: 300px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    border: none;
    cursor: pointer;
    font-size: clamp(10px, 1.5vw, 12px);
    font-weight: bold;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    margin: clamp(10px, 2vw, 15px);
}

.square-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.square-button:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 25px rgba(0,0,0,0.3);
}

.square-button:hover::before {
    opacity: 1;
}

.square-button[data-letter="Š"] {
    background-image: url('../images/pexeso-Š.png');
}

.square-button[data-letter="S"] {
    background-image: url('../images/pexeso-S.png');
}

.square-button[data-letter="R"] {
    background-image: url('../images/pexeso-R.png');
}


.square-button[data-letter="Custom"] {
    background-image: url('../images/pexeso-custom.png');
}




.player-setup {
    background: rgba(218, 218, 218, 0.5);
    padding: 20px;
    border-radius: 10px;
  }

  .player-setup input {
    margin: 0 1% 1% 0%;
    padding: 1% 1% 1% 1%;
    width: 46%;
    border: 1px solid #ddd;
    border-radius: 5px;
  }



#customLevelModal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
    display: none;
    flex-direction: column;
    gap: 20px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    z-index: 1000;
}

.word-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    max-height: 500px;
    overflow-y: auto;
    padding: 20px;
    background: rgba(218, 218, 218, 0.5);
    border-radius: 15px;
}

.word-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    background-color: white;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.2s ease;
}

.word-item:hover {
    transform: scale(1.05);
}

.word-item img {
    max-width: 50px;
    max-height: 50px;
    border-radius: 5px;
}


#customLevelModal button {
    padding: 12px 24px;
    background-color: rgba(240,240,240,0.5); /* Stejná barva jako pozadí word listu */
    color: #333; /* Barva textu podobná word listu */
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-family: 'MPLUSRounded1c-Medium', sans-serif;
    font-weight: bold;
}


#customLevelModal button:hover {
    background-color: rgba(220,220,220,0.7); /* Lehce tmavší varianta pozadí */
    transform: scale(1.05); /* Jemný efekt zvětšení při hover */
}

/* Specificky pro tlačítko "Začít hru" */
#customLevelModal button {
    background-color: white;
}

#customLevelModal button:first-of-type:hover {
    background-color: rgba(220,220,220,0.7); /* Lehce tmavší varianta pozadí */
}






/* Média dotaz pro mobilní zařízení */
@media screen and (max-width: 768px) {
    body {
        padding: 10px;
        min-height: 100vh;
        height: auto;
        overflow-x: hidden;
        overflow-y: auto;
    }

    .back-button {
        top: 10px;
        left: 10px;
        font-size: 20px;
    }

    .nadpis {
        font-size: 32px;
        margin-bottom: 20px;
    }

    .buttons-container {
        gap: 15px;
        padding: 0 10px;
    }

    .square-button {
        min-width: 150px;
        min-height: 150px;
        font-size: 10px;
    }

    #customLevelModal {
        padding: 20px;
        width: 95%;
        max-height: 95vh;
    }

    .word-list {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        gap: 10px;
        padding: 10px;
        max-height: 400px;
    }

    .word-item {
        padding: 5px;
        gap: 5px;
    }

    .word-item img {
        max-width: 40px;
        max-height: 40px;
    }

    #customLevelModal button {
        padding: 10px 20px;
        font-size: 14px;
    }
}

/* Pro velmi malé obrazovky */
@media screen and (max-width: 480px) {
    body {
        padding: 5px;
    }

    .nadpis {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .buttons-container {
        gap: 10px;
    }

    .square-button {
        min-width: 120px;
        min-height: 120px;
        font-size: 9px;
    }

    #customLevelModal {
        padding: 15px;
        width: 98%;
    }

    .word-list {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
        gap: 5px;
        max-height: 350px;
    }

    .word-item {
        padding: 3px;
    }

    .word-item img {
        max-width: 30px;
        max-height: 30px;
    }

    #customLevelModal button {
        padding: 8px 16px;
        font-size: 12px;
    }
}

@font-face {
    font-family: 'MPLUSRounded1c-Black';
    src: url('../fonts/MPLUSRounded1c-Black.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}