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;
    }
}