/* 어두운 테마 스타일 */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212;
    color: #ffffff;
}

header {
    background-color: #1e1e1e;
    padding: 1rem;
}

nav {
    display: flex;
    gap: 1rem;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #333333;
}

.container {
    display: flex;
    min-height: calc(100vh - 80px);
}

aside {
    width: 200px;
    background-color: #1e1e1e;
    padding: 1rem;
}

aside ul {
    list-style: none;
    padding: 0;
}

aside a {
    color: #ffffff;
    text-decoration: none;
    display: block;
    padding: 0.5rem;
    border-radius: 4px;
}

aside a:hover {
    background-color: #333333;
}

main {
    flex: 1;
    padding: 2rem;
}

h1, h2 {
    color: #ffffff;
}

button {
    background-color: #333333;
    color: #ffffff;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    margin: 0.5rem;
}

button:hover {
    background-color: #555555;
}

textarea {
    width: 100%;
    min-height: 200px;
    background-color: #1e1e1e;
    color: #ffffff;
    border: 1px solid #333333;
    padding: 0.5rem;
    border-radius: 4px;
    font-family: monospace;
}

/* 틱택토 게임 스타일 */
#game-board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 5px;
    margin: 1rem 0;
}

.cell {
    background-color: #1e1e1e;
    border: 2px solid #333333;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    cursor: pointer;
    border-radius: 4px;
}

.cell:hover {
    background-color: #333333;
}

#scores {
    margin-top: 1rem;
}