:root {
    --primary-color: #ff0055;
    --secondary-color: #00e5ff;
    --bg-color: #0f0f1a;
    --text-color: #ffffff;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Outfit', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    overflow: hidden;
}

#game-container {
    position: relative;
    box-shadow: 0 0 50px rgba(0, 229, 255, 0.2);
    border: 2px solid var(--secondary-color);
    border-radius: 12px;
    overflow: hidden;
}

canvas {
    display: block;
    background: radial-gradient(circle at center, #1a1a2e 0%, #0f0f1a 100%);
}

#ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

#score,
#lives {
    position: absolute;
    top: 20px;
    font-size: 24px;
    font-weight: bold;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

#score {
    left: 20px;
    color: var(--secondary-color);
}

#lives {
    right: 20px;
    color: var(--primary-color);
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(5px);
    transition: opacity 0.3s ease;
    pointer-events: auto;
    /* Permitir clicks en botones */
}

.screen.hidden {
    opacity: 0;
    pointer-events: none;
}

h1 {
    font-size: 64px;
    margin-bottom: 20px;
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

p {
    font-size: 24px;
    color: #ccc;
}

#character-select {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}

.char-btn {
    padding: 10px 20px;
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.char-btn:hover {
    background: rgba(0, 229, 255, 0.1);
    transform: translateY(-2px);
}

.char-btn.selected {
    background: var(--secondary-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--secondary-color);
}

@keyframes pulse {
    0% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }

    100% {
        opacity: 0.5;
    }
}