* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #1a1a1a;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.screen {
    display: none;
    flex-direction: column;
    align-items: center;
    background: #2a2a2a;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0px 4px 15px rgba(0, 0, 0, 0.5);
}

.screen.active {
    display: flex;
}

h1 {
    color: #00ff88;
    margin-bottom: 20px;
    font-size: 2.5rem;
    text-transform: uppercase;
}

input, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border-radius: 5px;
    border: none;
    font-size: 1rem;
}

input {
    background: #333;
    color: white;
    border: 1px solid #555;
}

button {
    background: #00ff88;
    color: #1a1a1a;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

button:hover {
    background: #00cc6a;
}

button.danger {
    background: #ff4444;
    color: white;
}

#gameCanvas {
    background: #2e7d32; /* Cor do gramado */
    border: 4px solid #fff;
    border-radius: 5px;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.5);
}

.scoreboard {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 10px;
}

.shop-items {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.item {
    background: #333;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
}