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

body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    overflow: hidden;
}

/* Game Container */
#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
}

/* Canvas */
#game-canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Loading Screen */
#loading-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.loading-content {
    text-align: center;
    color: #fff;
}

.loading-content h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: #FF4136;
    text-shadow: 0 0 10px rgba(255, 65, 54, 0.7);
}

.progress-bar-container {
    width: 300px;
    height: 20px;
    background-color: #333;
    border-radius: 10px;
    margin: 20px auto;
    overflow: hidden;
}

#progress-bar {
    height: 100%;
    width: 0%;
    background-color: #FF4136;
    transition: width 0.3s ease;
}

/* Game UI */
#game-ui {
    position: absolute;
    top: 20px;
    left: 20px;
    color: white;
    font-size: 1.2rem;
    z-index: 5;
}

#lives-container, #score-container, #level-container {
    margin-bottom: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    padding: 5px 10px;
    border-radius: 5px;
}

/* Game Over Screen */
#game-over-screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.game-over-content {
    background-color: #333;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    color: white;
}

.game-over-content h2 {
    font-size: 2.5rem;
    color: #FF4136;
    margin-bottom: 20px;
}

#restart-button {
    background-color: #FF4136;
    color: white;
    border: none;
    padding: 10px 20px;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 20px;
    transition: background-color 0.3s;
}

#restart-button:hover {
    background-color: #ff5a51;
}

.hidden {
    display: none !important;
}