/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    user-select: none;
}

body,
html {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #bd943d, #2f914c);
    overflow: hidden;
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 20px;
}

#game-container {
    position: relative;
    width: 800px;
    height: 450px;
    background: linear-gradient(to top, #7ec850 0%, #ade88f 100%);
    border-radius: 45px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 8px solid #e76610;
}

canvas {
    display: block;
    background: transparent;
}

#ui {
    margin-top: 10px;
    width: 800px;
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 18px;
    text-shadow: 1px 1px 2px #000;
}

#message {
    margin-top: 20px;
    font-size: 22px;
    font-weight: 800;
    text-align: center;
    color: #ffd700;
    text-shadow: 1px 1px 3px #000;
    height: 30px;
}

button {
    margin-left: 10px;
    background: #1c4d0d;
    color: white;
    border: none;
    padding: 8px 15px;
    font-weight: 700;
    font-size: 16px;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
    transition: background 0.3s ease;
}

button:hover {
    background: #2f7d11;
}