:root {
    --smash-red: #ff3838;
    --smash-blue: #18dcff;
    --smash-bg: #050510;
}

body,
html {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    background-color: var(--smash-bg);
    font-family: 'Orbitron', sans-serif;
    color: white;
}

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

canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* HUD */
#hud {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    pointer-events: none;
    z-index: 10;
    box-sizing: border-box;
}

.stats-box {
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border: 2px solid var(--smash-blue);
    padding: 20px 40px;
    border-radius: 15px;
    display: flex;
    gap: 40px;
}

.stat {
    font-size: 1.2rem;
    font-weight: 900;
    letter-spacing: 2px;
}

#weapon-selection {
    position: absolute;
    right: 30px;
    top: 150px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    pointer-events: auto;
}

.weapon-btn {
    background: rgba(24, 220, 255, 0.1);
    border: 2px solid var(--smash-blue);
    padding: 15px 30px;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
    font-weight: bold;
    text-align: center;
}

.weapon-btn:hover {
    background: var(--smash-blue);
    color: #000;
}

.weapon-btn.active {
    background: var(--smash-red);
    border-color: var(--smash-red);
    color: white;
    box-shadow: 0 0 20px var(--smash-red);
}

/* Overlays */
.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.menu {
    text-align: center;
    background: rgba(5, 5, 16, 0.8);
    padding: 60px;
    border-radius: 30px;
    border: 3px solid var(--smash-red);
    box-shadow: 0 0 50px rgba(255, 56, 56, 0.3);
}

.title {
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 20px;
}

.title span {
    color: var(--smash-red);
}

button {
    background: var(--smash-red);
    color: white;
    border: none;
    padding: 20px 60px;
    font-family: inherit;
    font-size: 1.5rem;
    font-weight: 900;
    cursor: pointer;
    border-radius: 10px;
    transition: 0.3s;
}

button:hover {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--smash-red);
}

.hidden {
    display: none !important;
}