/* General Styles */
body {
    font-family: Arial, sans-serif;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    overscroll-behavior: none;
    background-color: var(--background-color);
    color: var(--text-color);
}

:root {
    /* Light Mode Colors */
    --background-color: #ffffff;
    --text-color: #000000;
    --grid-cell-bg: #f8f9fa;
    --grid-cell-text: #000000;
    --grid-cell-selected-bg: #007bff;
    --grid-cell-selected-text: #ffffff;
    --timer-bg-color: #e6e6e6;
    --timer-color: green;
    --input-bg: #ffffff;
    --input-text: #000000;
    --button-bg: #007bff;
    --button-text: #ffffff;
    --list-bg: #ffffff;
    --list-text: #000000;
    --message-bg: #f8d7da;
    --message-text: #721c24;
}

body.dark-mode {
    /* Dark Mode Colors */
    --background-color: #121212;
    --text-color: #e0e0e0;
    --grid-cell-bg: #1e1e1e;
    --grid-cell-text: #e0e0e0;
    --grid-cell-selected-bg: #bb86fc;
    --grid-cell-selected-text: #ffffff;
    --timer-bg-color: #333333;
    --timer-color: #bb86fc;
    --input-bg: #1e1e1e;
    --input-text: #e0e0e0;
    --button-bg: #bb86fc;
    --button-text: #ffffff;
    --list-bg: #1e1e1e;
    --list-text: #e0e0e0;
    --message-bg: #f8d7da;
    --message-text: #721c24;
}

#grid {
    width: 300px;
    margin: 0 auto;
    touch-action: none;
}

.grid-cell {
    position: relative;
    width: 18%;
    margin: 1%;
    background-color: var(--grid-cell-bg);
    color: var(--grid-cell-text);
    user-select: none;
    -webkit-user-select: none;
    touch-action: none;
    overflow: hidden;
    border: 1px solid #ced4da;
}

.grid-cell::before {
    content: '';
    display: block;
    padding-top: 100%; /* Makes the cell square */
}

.grid-cell-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
}

.grid-cell.selected {
    background-color: var(--grid-cell-selected-bg);
    color: var(--grid-cell-selected-text);
}

#controls .input-group {
    max-width: 500px;
    margin: 0 auto;
}

#current-word {
    font-size: 18px;
    background-color: var(--input-bg);
    color: var(--input-text);
}

#current-word::placeholder {
    color: var(--input-text);
}

#submit-word {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
}

#found-words {
    margin-top: 20px;
}

#words-list {
    max-height: 200px;
    overflow-y: auto;
    background-color: var(--list-bg);
    color: var(--list-text);
}

#words-list li {
    font-size: 18px;
    background-color: var(--list-bg);
    color: var(--list-text);
    display: flex;
    justify-content: space-between;
}

#message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: auto;
    background-color: var(--message-bg);
    color: var(--message-text);
}

.timer-circle {
    position: relative;
    width: 40px;
    height: 40px;
}

#time-pie {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(var(--timer-color) 0deg, var(--timer-color) 360deg);
}

#time-text {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-color);
}

.btn-primary, .btn-secondary {
    background-color: var(--button-bg);
    color: var(--button-text);
    border: none;
}

/* Flash animations */
@keyframes flashGreen {
    0% { background-color: var(--grid-cell-selected-bg); }
    50% { background-color: green; }
    100% { background-color: var(--grid-cell-selected-bg); }
}

@keyframes flashRed {
    0% { background-color: var(--grid-cell-selected-bg); }
    50% { background-color: red; }
    100% { background-color: var(--grid-cell-selected-bg); }
}

.flash-green {
    animation: flashGreen 0.5s;
}

.flash-red {
    animation: flashRed 0.5s;
}

@media (max-width: 768px) {
    #grid {
        width: 100%;
        padding: 0 5px;
    }

    .grid-cell {
        width: calc(20% - 2px); /* Five cells per row */
        margin: 1px;
        height: calc((100vw - 12px) / 5); /* Make cells square */
    }

    .grid-cell-content {
        font-size: calc((100vw - 12px) / 7);
    }

    #game-info {
        flex-direction: column;
        align-items: center;
    }

    #longest-word {
        margin-top: 20px;
        text-align: center;
    }
}