:root {
    --primary: #008751; /* Nigeria Green */
    --secondary: #ce1126; /* Nigeria Red */
    --dark: #1a1a1a;
    --light: #f9f9f9;
}

body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    background-color: var(--light);
    color: #333;
}

header {
    background: var(--primary);
    color: white;
    padding: 1.5rem;
    text-align: center;
}

header h1 { margin: 0; font-size: 2rem; }
.highlight { color: #ffd700; }

nav { margin-top: 10px; }
nav a {
    color: white;
    text-decoration: none;
    margin: 0 10px;
    font-weight: 600;
}

.game-container {
    display: flex;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #008751, #ffffff, #ce1126);
}

.game-card {
    background: rgba(0,0,0,0.9);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    color: white;
    width: 100%;
    max-width: 400px;
}

.scores { display: flex; justify-content: space-between; margin-bottom: 1rem; }
.score-box { background: #333; padding: 5px 10px; border-radius: 5px; font-weight: bold; }

.status { text-align: center; margin-bottom: 1rem; font-size: 1.2rem; color: #ffd700; }

.board {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.cell {
    background: white;
    height: 100px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    font-weight: bold;
    color: #333;
    cursor: pointer;
}

.cell.x { color: var(--secondary); }
.cell.o { color: var(--primary); }

.controls { margin-top: 1.5rem; text-align: center; }
select, button {
    padding: 10px;
    border-radius: 5px;
    border: none;
    margin: 5px;
    cursor: pointer;
}

button { background: var(--primary); color: white; font-weight: bold; }

.content-page { max-width: 800px; margin: 3rem auto; padding: 2rem; background: white; border-radius: 10px; line-height: 1.6; }

footer { background: #222; color: white; text-align: center; padding: 2rem; }
.footer-links a { color: #ffd700; margin: 0 10px; text-decoration: none; }