@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

body {
    background: linear-gradient(135deg, #fce4ec, #f8bbd0);
    font-family: 'Poppins', sans-serif;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    color: #4a148c;
}

h1 {
    font-size: 2.5em;
    margin-bottom: 0.5em;
    color: #880e4f;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

.game-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.8);
    padding: 2em;
    border-radius: 20px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.mode-selection,
.difficulty-selection {
    margin-bottom: 15px;
}

.mode-selection button,
.difficulty-selection button {
    padding: 10px 20px;
    font-size: 1em;
    margin: 0 5px;
    cursor: pointer;
    background-color: #ff80ab;
    color: white;
    border: none;
    border-radius: 25px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.mode-selection button:hover,
.difficulty-selection button:hover {
    background-color: #ff4081;
    transform: translateY(-2px);
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-template-rows: repeat(3, 100px);
    gap: 10px;
    margin: 20px auto;
}

.cell {
    width: 100px;
    height: 100px;
    background-color: #f8e1f5;
    border: none;
    border-radius: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 4em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

.cell:hover {
    background-color: #ffc2e2;
    transform: scale(1.05);
}

.cell.x {
    color: #880e4f;
}

.cell.o {
    color: #c51162;
}

.status-message {
    font-size: 1.5em;
    margin-bottom: 20px;
    font-weight: 600;
    color: #4a148c;
}

#restart-button {
    padding: 12px 25px;
    font-size: 1.1em;
    cursor: pointer;
    background-color: #ff80ab;
    color: white;
    border: none;
    border-radius: 25px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

#restart-button:hover {
    background-color: #ff4081;
    transform: translateY(-2px);
}