body {
    margin: 0; overflow: hidden; background-color: #2c3e50;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: white; user-select: none; touch-action: none;
}

#canvas-container { position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; z-index: 1; }

#ui {
    position: absolute; top: 20px; left: 20px; font-size: 24px; font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5); z-index: 10; pointer-events: none;
}

.danger-box { margin-top: 15px; font-size: 20px; }
#danger-bar-bg {
    width: 200px; height: 20px; background: #333;
    border: 2px solid #fff; border-radius: 10px; margin-top: 5px; overflow: hidden;
}
#danger-bar-fill { width: 0%; height: 100%; background: #e74c3c; transition: width 0.1s; }

#shop-btn {
    margin-top: 15px; padding: 10px 15px; font-size: 16px; font-weight: bold;
    background: #3498db; color: white; border: none; border-radius: 8px;
    pointer-events: auto; cursor: pointer;
}

/* LIVE SHOP OVERLAY */
#shop-screen {
    position: absolute; top: 5%; left: 5%; width: 90%; height: 90%;
    background: rgba(0, 0, 0, 0.6); backdrop-filter: blur(4px);
    border: 3px solid #f39c12; border-radius: 20px;
    display: flex; flex-direction: column; align-items: center; justify-content: flex-start;
    z-index: 15; padding-top: 20px; box-sizing: border-box;
}

#shop-title { margin: 0; font-size: 40px; color: #f1c40f; text-align: center; }
#shop-screen p { margin-top: 5px; margin-bottom: 10px; font-weight: bold; color: #e74c3c; text-align: center;}

/* Dynamic Shop Container */
#shop-items-container {
    width: 100%; flex-grow: 1; overflow-y: auto; 
    display: flex; flex-direction: column; align-items: center;
    margin-bottom: 15px; padding-top: 10px;
}

/* Hide scrollbar for cleaner mobile look but keep functionality */
#shop-items-container::-webkit-scrollbar { display: none; }

.shop-item {
    width: 85%; background: #34495e; padding: 15px; margin-bottom: 15px; flex-shrink: 0;
    border-radius: 10px; border: 2px solid #2c3e50; text-align: center; cursor: pointer;
    transition: transform 0.1s;
}
.shop-item:active { transform: scale(0.95); background: #2c3e50; }
.shop-item h3 { margin: 0 0 5px 0; color: white; }
.shop-item p { margin: 0; color: #bdc3c7; font-size: 14px; font-weight: normal; }

/* Status Classes for Upgrades */
.shop-item.bought { background: #27ae60; opacity: 0.6; pointer-events: none; border-color: #2ecc71;}
.shop-item.locked { background: #1a252f; opacity: 0.5; pointer-events: none; }

.close-btn {
    margin-bottom: 20px; padding: 15px 30px; font-size: 20px; flex-shrink: 0;
    background: #e74c3c; color: white; border: none; border-radius: 10px; cursor: pointer;
}

/* Overlay Screens */
.overlay-screen {
    position: absolute; top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0,0,0,0.85); display: flex; flex-direction: column;
    justify-content: center; align-items: center; z-index: 20; text-align: center;
}
.overlay-screen h1 { font-size: 50px; margin-bottom: 10px; }
.overlay-screen p { font-size: 20px; color: #bdc3c7; margin-bottom: 30px; line-height: 1.5; padding: 0 20px;}
.overlay-screen button {
    padding: 20px 40px; font-size: 24px; font-weight: bold; cursor: pointer;
    background: #27ae60; color: white; border: none; border-radius: 10px;
}
#restart-btn { background: #e74c3c; }

/* Hit Text */
.hit-text {
    position: absolute; font-size: 40px; font-weight: bold; color: #f1c40f;
    text-transform: uppercase; text-shadow: 3px 3px 0px #000; z-index: 25;
    pointer-events: none; animation: floatUpFade 0.6s ease-out forwards;
}

@keyframes floatUpFade {
    0% { transform: scale(0.5); opacity: 1; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1) translateY(-60px); opacity: 0; }
}