:root {
    --bg-color: #0d0914;
    --primary: #9d4edd;
    --secondary: #7b2cbf;
    --pink: #9d4edd;
    --yellow: #f8f9fa;
    --black: #f8f9fa;
    --border-width: 1px;
    --shadow-offset: 0px;
    --radius: 0px;
}

body {
    background-color: var(--bg-color);
    font-family: 'Inter', sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    color: var(--black);
    user-select: none;
}

.back-btn {
    position: absolute;
    top: 20px;
    left: 20px;
    background: transparent;
    color: var(--black);
    text-decoration: none;
    font-weight: 700;
    padding: 10px 20px;
    border: 1px solid var(--primary);
    box-shadow: none;
    border-radius: var(--radius);
    transition: 0.1s;
    z-index: 100;
}
.back-btn:hover {
    transform: none;
    background: var(--primary);
    color: #fff;
}

#game-container {
    position: relative;
    border: 1px solid var(--secondary);
    box-shadow: none;
    background: #000;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: crosshair;
}

canvas {
    display: block;
    max-width: 100%;
    height: auto;
    touch-action: none;
}

#hud {
    position: absolute;
    top: 15px;
    left: 20px;
    width: 760px;
    display: flex;
    justify-content: space-between;
    font-size: 2rem;
    font-weight: 900;
    color: #f8f9fa;
    text-shadow: none;
    pointer-events: none;
    z-index: 10;
}

@media (max-width: 768px) {
    #hud {
        width: calc(100% - 40px);
        font-size: 1.5rem;
    }
    h1 {
        font-size: 3rem;
    }
}

.overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(13, 9, 20, 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    cursor: pointer;
    z-index: 20;
}

h1 {
    font-size: 4rem;
    color: var(--primary);
    text-shadow: none;
    margin: 0 0 10px 0;
    line-height: 1;
}
.overlay p {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}
.instructions {
    background: var(--primary);
    color: #fff;
    padding: 10px 20px;
    font-weight: 700;
    border: 1px solid var(--secondary);
    box-shadow: none;
}