/* ==========================================
   PLAYGROUND SECTION - GRAPHICS INFRASTRUCTURE
   ========================================== */

#playground {
    background-color: #020208;
    /* Let the global .panel class continue to manage width, height, and stacking */
}

#playground #tech-tunnel-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto; /* Crucial: ensures clicks pass through to standard scroll triggers */
}

#playground.panel {
    display: block;
} 
#tech-tunnel-canvas {
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: auto;
}

#playground .playground-container,
#playground .content-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}
/* Internal formatting wrapper to keep your text layout isolated */
.playground-layout-wrapper {
    width: 100vw;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    box-sizing: border-box;
    text-align: center;
}

#playground h1.playground-title,
#playground h2 {
    color: #ffffff;
    margin: 0;
    font-family: "oscine", sans-serif;
    font-size: 3.5vw;
    font-weight: 300;
    text-transform: lowercase;
    pointer-events: auto;
}

/* ==========================================
   EXPERIMENTAL LAB LINK INTERFACE
   ========================================== */
.lab-project-anchor {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(-50%, -50%); /* Anchor directly from geometric center */
    pointer-events: auto; /* Re-enable mouse targeting */
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-family: monospace;
    transition: opacity 0.3s ease;
}

/* The core interactive neon node */
.lab-node-circle {
    width: 24px;
    height: 24px;
    border: 2px solid #00f0ff;
    border-radius: 50%;
    background: rgba(2, 2, 8, 0.6);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* The contextual metadata typography signature */
.lab-node-label {
    position: absolute;
    left: 25px;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(-10px);
    color: #00f0ff;
    font-size: 0.75rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    pointer-events: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background: rgba(2, 2, 8, 0.8);
    padding: 4px 8px;
    border-left: 1px solid #00f0ff;
}

/* INTERACTIVE HOVER ACTIONS */
.lab-project-anchor:hover .lab-node-circle {
    width: 42px;
    height: 42px;
    background: #00f0ff;
    box-shadow: 0 0 25px #00f0ff, inset 0 0 8px #ffffff;
}

.lab-project-anchor:hover .lab-node-label {
    opacity: 1;
    transform: translateX(0);
}