* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.container {
    text-align: center;
    background-color: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
    color: #333;
    margin-bottom: 20px;
}

#game-status {
    margin-bottom: 20px;
    font-size: 18px;
}

#current-player {
    font-weight: bold;
}

#game-board {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    background-color: #2196F3;
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 20px;
}

.column {
    display: flex;
    flex-direction: column-reverse;
    cursor: pointer;
}

.cell {
    width: 60px;
    height: 60px;
    background-color: white;
    border-radius: 50%;
    margin: 5px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
}

.red-piece {
    background-color: #f44336;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
}

.yellow-piece {
    background-color: #ffeb3b;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
}

.column:hover .cell:not(.red-piece):not(.yellow-piece):last-child {
    background-color: rgba(255, 255, 255, 0.7);
}

#reset-button {
    padding: 10px 20px;
    font-size: 16px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
}

#reset-button:hover {
    background-color: #45a049;
}

.winner-message {
    color: #4CAF50;
    font-weight: bold;
}

.draw-message {
    color: #FF9800;
    font-weight: bold;
}