/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Landing page and navigation styles */
.site-container {
    min-height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    margin-top: 20px;
}

/* Game page styles */
.game-container {
    text-align: center;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

/* Background styles */
.background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('images/background.jpeg') no-repeat center center fixed;
    background-size: cover;
    opacity: 0.2;
    z-index: -1;
}

/* Landing page title styling */
.site-title {
    position: relative;
    width: 100%;
    text-align: center;
    font-size: 40px;
    font-weight: bold;
    color: black;
    padding: 20px 0;
    margin-bottom: 20px;
    text-shadow:
        -1px -1px 0 #fff,
        1px -1px 0 #fff,
        -1px 1px 0 #fff,
        1px 1px 0 #fff;
}

/* Game page title */
.game-title {
    color: darkgrey;
    margin-bottom: 20px;
}

/* Game content container */
#content {
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.95);
    padding: 30px 40px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    margin: 20px;
    min-width: 300px;
}

#question {
    font-size: 24px;
    margin-bottom: 20px;
}

/* Navigation button grid */
.button-grid {
    display: grid;
    grid-template-columns: repeat(3, 250px);
    gap: 20px;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    grid-auto-flow: row;
    grid-auto-rows: 250px;
}

/* Navigation button styling */
.nav-button {
    width: 250px;
    height: 250px;
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    text-decoration: none;
    color: black;
    transition: transform 0.2s ease;
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 15px;
}

.nav-button:hover {
    transform: scale(1.05);
}

.nav-button-label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 1em;
    line-height: 1.2;
    text-align: center;
}

.nav-button-subtitle {
    color: #666;
    font-size: 0.85em;
    font-weight: normal;
    display: block;
    margin-top: 2px;
}

.nav-button img {
    width: 150px;
    height: 150px;
    display: block;
    margin: 0 auto;
}

/* Study button special styling */
.study-button {
    background-color: #1a5f1a;
}

.study-button .nav-button-label {
    color: white;
}

/* Game buttons styling */
.game-button {
    margin: 10px;
    padding: 12px 20px;
    font-size: 16px;
    cursor: pointer;
    border: none;
    border-radius: 5px;
    transition: transform 0.1s ease, background-color 0.2s ease;
}

.game-button:hover {
    transform: scale(1.05);
}

/* Hint buttons specific styling */
#hint1, #hint2, #hint3 {
    background-color: white;
    border: 1px solid #ddd;
}

#hint1:hover, #hint2:hover, #hint3:hover {
    background-color: #f0f0f0;
}

/* Response buttons styling */
#correct { 
    background-color: lightgreen;
    border: 1px solid #90EE90;
}

#sorta { 
    background-color: lightsalmon;
    border: 1px solid #FFA07A;
}

#incorrect { 
    background-color: lightcoral;
    border: 1px solid #F08080;
}

#reveal { 
    background-color: yellow;
    border: 1px solid #FFD700;
}

#reveal:hover {
    background-color: #ffeb3b;
}

#correct:hover {
    background-color: #98FB98;
}

#sorta:hover {
    background-color: #FFA07A;
}

#incorrect:hover {
    background-color: #F08080;
}

#correct, #sorta, #incorrect, #example {
    display: none;
}

/* Game text elements */
#answer {
    color: green;
    font-size: 20px;
    margin-top: 10px;
}

#exampleSentence {
    color: blue;
    font-size: 18px;
    margin-top: 10px;
}

#stats {
    margin-top: 15px;
    font-size: 14px;
    color: #666;
}

/* Category selection styling */
.category-container {
    margin: 30px 0;
    background: rgba(240, 255, 240, 0.6);
    padding: 15px;
    border-radius: 10px;
    max-width: 800px;
    width: 90%;
}

.category-title {
    margin-bottom: 10px;
    font-weight: bold;
}

#categoryCheckboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
}

.category-label {
    display: inline-flex;
    align-items: center;
    margin: 2px;
    padding: 3px 8px;
    background-color: rgba(255, 255, 255, 0.9);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
}

.category-checkbox {
    margin-right: 4px;
}

/* Reset button */
#resetDeck {
    background-color: #e0e0e0;
    color: black;
    padding: 10px 20px;
    border: 1px solid #c0c0c0;
    border-radius: 5px;
    cursor: pointer;
}

/* Back link */
.back-link {
    display: inline-block;
    margin-top: 20px;
    text-decoration: none;
    background-color: lightblue;
    padding: 10px 20px;
    border-radius: 5px;
}

/* Responsive Design */
@media screen and (max-width: 1200px) {
    .button-grid {
        grid-template-columns: repeat(3, 250px);
    }
}

@media screen and (max-width: 768px) {
    body, html {
        overflow-y: auto;
        overflow-x: hidden;
    }

    .site-title {
        font-size: 28px;
        padding: 15px 10px;
        margin-bottom: 15px;
    }

    .site-container {
        padding: 15px;
        margin-top: 15px;
    }

    .button-grid {
        grid-template-columns: repeat(2, 250px);
        gap: 15px;
    }

    .nav-button {
        width: 45vw;
        height: 45vw;
        max-width: 200px;
        max-height: 200px;
        padding-top: 10px;
    }

    .nav-button-label {
        font-size: 14px;
        padding: 2px;
        margin-bottom: 8px;
    }

    .nav-button img {
        width: 100px;
        height: 100px;
    }
}

@media screen and (max-width: 480px) {
    .site-title {
        font-size: 24px;
        padding: 10px;
        margin-bottom: 10px;
    }

    .site-container {
        padding: 10px;
        margin-top: 10px;
    }

    .button-grid {
        grid-template-columns: 1fr;
    }

    .nav-button {
        width: 70vw;
        height: 70vw;
        max-width: 250px;
        max-height: 250px;
    }

    .nav-button-label {
        font-size: 15px;
        margin-bottom: 12px;
    }
}