/**
 * M.U.S.I.C. WORLD HQ: VISUAL POLISH HUD v1.0
 * Architecture: Sir Leslie Jennings // Chief Architect
 */

:root {
    --deep-black: #050505;
    --hq-blue: #0066ff;
    --hq-gold: #ffd700;
    --hq-teal: #00ffcc;
    --glass-white: rgba(255, 255, 255, 0.03);
    --neon-glow: 0 0 15px rgba(0, 102, 255, 0.4);
}

body {
    background-color: var(--deep-black);
    /* CYBER-GRID TEXTURE */
    background-image: 
        linear-gradient(rgba(0, 102, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    color: #fff;
    font-family: 'Inter', sans-serif;
    margin: 0;
}

/* GLASSMORPHIC PANELS */
.glass-panel {
    background: var(--glass-white);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: var(--neon-glow);
}

/* TACTICAL BORDERS */
.border-gold { border-left: 4px solid var(--hq-gold); }
.border-blue { border-left: 4px solid var(--hq-blue); }

/* HUD HEADER GLOW */
h1, h2 {
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

/* INTERACTIVE NODES */
.node-card {
    transition: all 0.3s ease;
}
.node-card:hover {
    transform: translateY(-5px);
    border-color: var(--hq-teal);
    box-shadow: 0 0 25px rgba(0, 255, 204, 0.3);
}