/* style.css */
* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --bg-color: #12181B;
    --tile-color: #1E272E;
    --border-color: #2C3A47;
    --playerX-color: #0984e3;
    --playerO-color: #e84393;
    --text-color: #ecf0f1;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.background {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.title h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 600;
    letter-spacing: 2px;
}

.display {
    font-size: 1.2rem;
    margin-bottom: 25px;
    background-color: var(--tile-color);
    padding: 10px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    min-width: 160px; /* Prevents status bar from jittering text length */
    text-align: center;
}

.display-player {
    font-weight: bold;
    font-size: 1.3rem;
}

.playerX { color: var(--playerX-color); }
.playerO { color: var(--playerO-color); }

/* --- GAME BOARD FIX --- */
.container {
    display: grid;
    /* Force 3 equal columns */
    grid-template-columns: repeat(3, 1fr); 
    /* Force 3 equal rows (THIS FIXES THE JUMPING) */
    grid-template-rows: repeat(3, 1fr);    
    gap: 5px;
    background-color: var(--border-color);
    
    /* Fixed Dimensions */
    width: 300px;
    height: 300px;
    
    box-shadow: 0 10px 20px rgba(0,0,0,0.5);
    border-radius: 10px;
    overflow: hidden; /* Ensures nothing spills out */
}

.tile {
    background-color: var(--tile-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 3rem; /* Large font */
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s ease;
    user-select: none;
    
    /* Ensure the tile fills the grid cell exactly */
    width: 100%; 
    height: 100%;
}

.tile:hover {
    background-color: #2a3640;
}

.tile.playerX { color: var(--playerX-color); }
.tile.playerO { color: var(--playerO-color); }

.controls {
    margin-top: 25px;
}

#reset {
    padding: 12px 25px;
    background-color: var(--playerX-color);
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

#reset:hover {
    background-color: #74b9ff;
    transform: translateY(-2px);
}

#reset:active {
    transform: translateY(0);
}