/* --- CUSTOMIZATION SECTION --- */
:root {
    --page-bg: rgb(0, 89, 170);
    --cell-bg: rgb(0, 89, 170);
    --cell-hover-bg: rgba(255, 255, 255, 0.1);
    
    /* This is the color of the grid lines between cells */
    --grid-line-color: rgb(255, 255, 255, 0.5);

    --line-color: white;
    --main-font: 'Montserrat', sans-serif;
    --player-x-color: #ffffff;
    --player-o-color: #ffffff;
    --gradient-x: linear-gradient(-45deg, #003973, #0074D9, #7FDBFF);
    --gradient-o: linear-gradient(-45deg, #870000, #D90000, #FF4136);
    --button-text-color-active: #2c3e50;
    --button-text-color-hover: #ffffff;
    --pvp-color: #e8beac;
    --pva-color: #ff3200;
    --easy-color: #2ecc71;
    --medium-color: #f1c40f;
    --hard-color: #e67e22;
    --unbeatable-color: #060606;
    --grid-option-color: #9b59b6;
    --fun-mode-cheater-color: #e74c3c;
    --fun-mode-blind-color: #34495e;
    --fun-mode-clock-color: #f39c12;
    --fun-mode-unfair-color: #d35400;
    --fun-mode-decay-color: #27ae60;
    --fun-mode-portal-color: #8e44ad;
    --fun-mode-sabotage-color: #c0392b;
}
/* --- END CUSTOMIZATION --- */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;700&display=swap');

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    font-family: var(--main-font);
    color: var(--line-color);
    background-image: var(--gradient-x);
    background-size: 400% 400%;
    animation: gradient-animation 15s ease infinite;
}


@keyframes gradient-animation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.container { text-align: center; }
.hidden { display: none; }
h1 { font-size: 2.2rem; margin-bottom: 0.5em; font-weight: 700; }
p { font-size: 1.1rem; }

/* Scoreboard Styles */
#scoreboard {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 600px;
    margin: 0 auto 10px auto;
    font-size: 1.5rem;
    position: relative;
	gap: 5px;
}
.score {
    font-weight: bold;
    flex: 1;
    transition: transform 0.3s ease, text-shadow 0.3s ease;
}
.score.active-player {
    transform: scale(1.1);
    text-shadow: 0 0 10px #ffffff, 0 0 20px #ffffff;
}

/* This applies the intense glow to Player X's score when it's their turn */
#score-x.active-player {
	color: var(--player-x-color);
    text-shadow: 
        0 0 5px var(--player-x-color), 
        0 0 10px var(--player-x-color), 
        0 0 20px var(--player-x-color), 
        0 0 30px var(--player-x-color);
}

/* This applies the intense glow to Player O's score when it's their turn */
#score-o.active-player {
	color: var(--player-o-color);
    text-shadow: 
        0 0 5px var(--player-o-color); 
        0 0 10px var(--player-o-color), 
        0 0 20px var(--player-o-color), 
        0 0 30px var(--player-o-color);
}


#score-x { color: var(--player-x-color); text-align: left; }
#score-o { color: var(--player-o-color); text-align: right; }

.status-container {
    flex: 2;
    display: flex;
    flex-direction: column;
}
#score-tie {
    font-size: 1rem;
    font-weight: normal;
    opacity: 0.8;
}
#status-text {
    font-size: 1.7rem;
    font-weight: bold;
    color: white;
	transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
    text-shadow: 
        0 0 5px #ffffff, 
        0 0 15px var(--player-o-color);
}

/* Add this new class for the pop-out effect */
.status-pop-out {
    /* Scales the text to 8 times its original size */
    transform: scale(3);
    /* Ensures the big text appears on top of the game board */
    position: relative;
    z-index: 10;
}

/* Menu Button Styles */
.menu-buttons { margin-top: 30px; display: flex; flex-direction: column; gap: 15px; }
.menu-button {
    padding: 18px 36px;
    font-size: 1.2em;
    font-family: var(--main-font);
    border-width: 2px;
    border-style: solid;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--button-color, var(--player-o-color));
    color: var(--button-text-color-active);
    box-shadow: 0 0 20px var(--button-color, var(--player-o-color));
    border-color: var(--button-color, var(--player-o-color));
}
.menu-button:hover {
    background-color: transparent;
    color: var(--button-text-color-hover);
    box-shadow: none;
}

/* Individual Button Colors */
#pvp-button { --button-color: var(--pvp-color); }
#pva-button { --button-color: var(--pva-color); }
#easy-button { --button-color: var(--easy-color); }
#medium-button { --button-color: var(--medium-color); }
#hard-button { --button-color: var(--hard-color); }
#unbeatable-button { --button-color: var(--unbeatable-color); }
.grid-option-btn { --button-color: var(--grid-option-color); }
#fun-modes-button { background: linear-gradient(45deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3); background-size: 200% 200%; animation: gradient-button-glow 5s ease infinite; color: white; border-color: transparent; box-shadow: 0 0 20px rgba(255, 255, 255, 0.8); }
#fun-modes-button:hover { background: transparent; -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; border-image: linear-gradient(45deg, #ff0000, #ff7f00, #ffff00, #00ff00, #0000ff, #4b0082, #9400d3) 1; border-width: 2px; border-style: solid; box-shadow: none; animation: none; }
@keyframes gradient-button-glow { 0% { background-position: 0% 50%; box-shadow: 0 0 20px rgba(255, 0, 0, 0.7); } 25% { background-position: 50% 50%; box-shadow: 0 0 20px rgba(255, 127, 0, 0.7); } 50% { background-position: 100% 50%; box-shadow: 0 0 20px rgba(0, 0, 255, 0.7); } 75% { background-position: 50% 50%; box-shadow: 0 0 20px rgba(148, 0, 211, 0.7); } 100% { background-position: 0% 50%; box-shadow: 0 0 20px rgba(255, 0, 0, 0.7); } }
#cheater-button { --button-color: var(--fun-mode-cheater-color); }
#blind-button { --button-color: var(--fun-mode-blind-color); }
#clock-button { --button-color: var(--fun-mode-clock-color); }
#unfair-button { --button-color: var(--fun-mode-unfair-color); }
#decay-button { --button-color: var(--fun-mode-decay-color); }
#portal-button { --button-color: var(--fun-mode-portal-color); }
#sabotage-button { --button-color: var(--fun-mode-sabotage-color); }
.grid-options { display: grid !important; grid-template-columns: repeat(4, 1fr); }
.grid-options .menu-button { padding: 12px 6px; font-size: 1em; }

/* Game Board & Cell Styles (WITH GRID LINE FIX) */
#game-board {
    display: grid;
    gap: 3px;
    margin: 25px auto;
    max-width: 90vw;
    max-height: 80vh;
    aspect-ratio: 1 / 1;
    background-color: var(--grid-line-color);
    border: 0px solid var(--grid-line-color);
    padding: 3px;
    border-radius: 5px;
}

.cell {
    background-color: var(--cell-bg);
    border-radius: 2px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s;
}

.cell:hover { background-color: var(--cell-hover-bg); }
.cell.x { color: var(--player-x-color); }
.cell.o { color: var(--player-o-color); }

/* Back Button Styles */
#game-back-button, #difficulty-back-button, #grid-back-button, #fun-modes-back-button { margin-top: 25px; padding: 12px 25px; font-size: 1em; font-family: var(--main-font); border: none; border-radius: 8px; background-color: white; color: black; cursor: pointer; transition: background-color 0.3s; }
#game-back-button:hover, #difficulty-back-button:hover, #grid-back-button:hover, #fun-modes-back-button:hover { background-color: #16a085; }

/* Team Credit Style */
.team-credit { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); text-align: center; line-height: 1.4; }
.team-credit strong { font-size: 1.1rem; color: #000000; font-weight: bold; }
.team-credit span { font-size: 0.8rem; color: rgba(236, 240, 241, 0.9); display: block; }