:root {
    --bg-color: #0f0f11;
    --text-color: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    background-color: var(--bg-color);
    font-family: "Outfit", sans-serif;
    color: var(--text-color);
    width: 100vw;
    height: 100vh;
}

/* Container for our physics divs */
#scene-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    /* Let clicks pass through to Matter.js mouse constraint if needed, but we'll handle events differently */
    z-index: 1;
}

/* The individual color "pills" */
.color-body {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 999px;
    /* Pill shape */
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    cursor: grab;
    user-select: none;
    will-change: transform;
    pointer-events: auto;
    /* Enable interaction */
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.15);
    transition: box-shadow 0.1s;
}

.color-body:active {
    cursor: grabbing;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    transform: scale(1.05);
    /* Slight pop on grab */
}

/* UI Layer */
.ui-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 10;
    padding: 2rem;
    box-sizing: border-box;
    background: radial-gradient(circle at 50% 50%,
            transparent 80%,
            rgba(0, 0, 0, 0.4) 100%);
}

h1 {
    font-size: 3rem;
    font-weight: 900;
    margin: 0;
    background: linear-gradient(135deg, #fff 0%, #a5a5a5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

p {
    font-size: 1.1rem;
    opacity: 0.7;
    margin-top: 0.5rem;
    max-width: 400px;
}

.controls {
    margin-top: 2rem;
    display: flex;
    gap: 1rem;
    pointer-events: auto;
}

button {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(10px);
    transition: all 0.2s ease;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

button:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(0);
}

/* Canvas generated by Matter.js (hidden or debug) */
canvas {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    /* We hide the raw physics wireframes to show only our DOM elements */
    pointer-events: auto;
    /* Needs to catch mouse events for the physics engine */
}