body {
    margin: 0;
    overflow: hidden;
    font-family: Arial, sans-serif;
}

#blocker {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    z-index: 10;
    cursor: pointer;
}

#instructions {
    pointer-events: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#menu-buttons {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 200px;
}

.menu-btn {
    width: 100%;
    padding: 15px;
    font-size: 20px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.menu-btn:hover {
    background-color: #45a049;
}

.overlay {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    z-index: 100;
    justify-content: center;
    align-items: center;
    color: white;
}

.menu-content {
    background-color: #333;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    min-width: 300px;
    max-height: 80vh;
    overflow-y: auto;
}

#save-list {
    margin: 20px 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.save-item {
    background-color: #444;
    padding: 15px;
    border-radius: 5px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.save-item button {
    padding: 5px 15px;
    cursor: pointer;
    background-color: #2196F3;
    border: none;
    color: white;
    border-radius: 3px;
}

.loading-content {
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#crosshair {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 5;
    pointer-events: none;
}

#crosshair::before, #crosshair::after {
    content: '';
    position: absolute;
    background-color: white;
}

#crosshair::before {
    top: 50%;
    left: -5px;
    right: -5px;
    height: 2px;
    transform: translateY(-50%);
}

#crosshair::after {
    left: 50%;
    top: -5px;
    bottom: -5px;
    width: 2px;
    transform: translateX(-50%);
}

#inventory {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 5px;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 5px;
    border: 2px solid #333;
}

.slot {
    width: 50px;
    height: 50px;
    background-color: #8b8b8b;
    border: 4px solid #555;
    box-sizing: border-box;
}

.slot[data-type="grass"] { background-color: #44aa44; border: 4px solid #338833; }
.slot[data-type="dirt"] { background-color: #8b5a2b; border: 4px solid #5d3a1a; }
.slot[data-type="stone"] { background-color: #888888; border: 4px solid #555555; }
.slot[data-type="wood"] { background-color: #634220; border: 4px solid #3d2813; }
.slot[data-type="leaves"] { background-color: #228b22; border: 4px solid #1a6b1a; }

.slot.active {
    border-color: #ffffff !important;
    box-shadow: 0 0 10px white;
}