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

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #0b1220;
    color: #e5e7eb;
}

/* HEADER */
.main-header {
    background: linear-gradient(135deg, #0f1e33, #1e3a5f);
    padding: 20px;
}

.header-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
}

.logo img {
    height: 50px;
}

.header-text {
    text-align: left;
}

/* NAV */
.site-nav {
    background: #020617;
}

.nav-container {
    display: flex;
    justify-content: center;
    gap: 25px;
    padding: 10px;
}

.site-nav a {
    color: #cbd5e1;
    text-decoration: none;
}

.nav-button {
    background: #2563eb;
    padding: 5px 15px;
    border-radius: 20px;
}

/* CONTENT */
.content-wrapper {
    max-width: 1100px;
    margin: auto;
    padding: 20px;
}

.game-title {
    text-align: center;
    margin-bottom: 20px;
}

/* BOX */
.content-box {
    background: #020617;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
}

/* GAME FRAME */
.game-box {
    display: flex;
    justify-content: center;
    padding: 30px;
    background: linear-gradient(145deg, #0f172a, #020617);
    border-radius: 15px;
    position: relative;
}

/* GLOW */
.game-box::before {
    content: "";
    position: absolute;
    inset: -5px;
    background: linear-gradient(90deg, #00f0ff, #2563eb, #00f0ff);
    filter: blur(10px);
    z-index: -1;
}

/* CANVAS */
canvas {
    max-width: 100%;
    border: 6px solid black;
    border-radius: 8px;
}

/* CONTROLS */
.controls-list {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.controls-list li {
    padding: 8px;
}

/* MOBILE */
@media (max-width: 600px) {
    .header-inner {
        flex-direction: column;
        text-align: center;
    }

    canvas {
        width: 100%;
    }
}