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

:root {
    --primary: #00ffd5;
    --secondary: #7000ff;
    --text: #ffffff;
    --bg: #000000;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

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

a-hole {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.aura {
    position: absolute;
    width: 60vmin;
    height: 60vmin;
    border-radius: 50%;
    background: radial-gradient(circle at center,
        rgba(63, 94, 251, 0.2) 0%,
        rgba(70, 135, 252, 0.1) 30%,
        rgba(0, 0, 0, 0) 70%
    );
    animation: pulse 4s ease-in-out infinite;
    pointer-events: none;
    z-index: 2;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center,
        rgba(0, 0, 0, 0) 15%,
        rgba(0, 0, 0, 0.2) 40%,
        rgba(0, 0, 0, 0.8) 60%,
        rgba(0, 0, 0, 0.9) 80%
    );
    pointer-events: none;
    z-index: 3;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.ui {
    position: fixed;
    top: 2rem;
    right: 2rem;
    transform: none;
    padding: 1.5rem;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
    z-index: 2;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: min(300px, 90%);
    opacity: 0.7;
}

.ui:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 10px rgba(0, 255, 213, 0.3));
}

.controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.control-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.8;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

button {
    padding: 0.75rem 1.5rem;
    border: none;
    background: rgba(63, 94, 251, 0.2);
    color: white;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Martian Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.8rem;
}

button:hover {
    background: rgba(63, 94, 251, 0.3);
    transform: translateY(-2px);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--glass);
    border-radius: 2px;
    outline: none;
    opacity: 0.7;
    transition: all 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 255, 213, 0.5);
}

input[type="range"]:hover {
    opacity: 1;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(0, 255, 213, 0.8);
}

.info {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.75rem 1.5rem;
    background: var(--glass);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
    border: 1px solid var(--glass-border);
    z-index: 2;
    font-size: 0.8rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.info:hover {
    opacity: 1;
    transform: translateX(-50%) translateY(-2px);
}

@media (max-width: 768px) {
    .ui {
        top: auto;
        bottom: 1rem;
        right: 1rem;
        padding: 1rem;
        width: min(250px, 90%);
    }
    
    h1 {
        font-size: 1.2rem;
        margin-bottom: 1rem;
    }
    
    .info {
        font-size: 0.7rem;
        padding: 0.5rem 1rem;
    }
    
    .control-group label {
        font-size: 0.7rem;
    }
    
    input[type="range"] {
        height: 3px;
    }
    
    input[type="range"]::-webkit-slider-thumb {
        width: 14px;
        height: 14px;
    }
}