* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #1a1a1a;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

#game-container {
    width: 100%;
    max-width: 1200px;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.screen {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.8);
}

.hidden {
    display: none;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    color: #ffd700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.how-to-play {
    background-color: rgba(0, 0, 0, 0.7);
    padding: 2rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    max-width: 600px;
}

.how-to-play ul {
    list-style-type: none;
    margin-top: 1rem;
}

.how-to-play li {
    margin: 0.5rem 0;
    color: #cccccc;
}

button {
    padding: 1rem 2rem;
    font-size: 1.2rem;
    background-color: #ffd700;
    color: #000000;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s;
}

button:hover {
    transform: scale(1.05);
    background-color: #ffed4a;
}

#hud {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 100;
}

#game-area {
    width: 100%;
    height: 100%;
    position: relative;
}

.target {
    position: absolute;
    cursor: pointer;
    border-radius: 50%;
    transition: transform 0.2s;
}

.target:hover {
    transform: scale(1.1);
}

.target.regular {
    background-color: #ffffff;
    width: 30px;
    height: 30px;
}

.target.extra-life {
    background-color: #44ff44;
    width: 30px;
    height: 30px;
}

.target.bomb {
    background-color: #ff0000;
    width: 30px;
    height: 30px;
}

.target.time-freeze {
    background-color: #4444ff;
    width: 30px;
    height: 30px;
    animation: glow 2s infinite;
}

.target.precision-mode {
    background-color: #ff44ff;
    width: 30px;
    height: 30px;
}

.target.score-multiplier {
    background-color: #ffff44;
    width: 30px;
    height: 30px;
}

.target.giant {
    background: linear-gradient(45deg, #ff0000, #ff8800, #ffff00, #00ff00, #0000ff, #8800ff, #ff0088);
    width: 60px;
    height: 60px;
    animation: rainbow 2s linear infinite;
}

@keyframes glow {
    0% { box-shadow: 0 0 5px currentColor; }
    50% { box-shadow: 0 0 20px currentColor; }
    100% { box-shadow: 0 0 5px currentColor; }
}

@keyframes rainbow {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}

#game-over-screen {
    background-color: rgba(0, 0, 0, 0.9);
}

#final-score, #high-score {
    font-size: 1.5rem;
    margin: 1rem 0;
    color: #ffd700;
}

#combo {
    position: absolute;
    right: 20px;
    top: 50px;
    font-size: 24px;
    font-weight: bold;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    transition: transform 0.2s ease;
}

#combo.active {
    transform: scale(1.2);
    color: #ff4500;
}

.precision-mode {
    background-color: rgba(255, 68, 255, 0.1);
}

.target.precision-enhanced {
    transform: scale(1.5);
    transition: transform 0.3s ease;
}