.gcode-tooltip {
    position: fixed;
    background: #2d2d2d;
    border: 1px solid #4a4a4a;
    border-radius: 8px;
    padding: 10px 14px;
    max-width: 350px;
    min-width: 200px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.8);
    z-index: 9999;
    pointer-events: none;
    font-family: 'Segoe UI', sans-serif;
    display: none;
}
.gcode-tooltip.show { display: block; }
.gcode-tooltip .title { color: #d4d4d4; font-size: 14px; font-weight: 600; font-family: 'Consolas', monospace; }
.gcode-tooltip .desc { color: #aaaaaa; font-size: 13px; line-height: 1.5; }
.gcode-tooltip .example { color: #666; font-size: 12px; margin-top: 4px; border-top: 1px solid #3a3a3a; padding-top: 4px; }
.gcode-tooltip .type-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 10px;
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-gcode { background: rgba(86,156,214,0.2); color: #569cd6; }
.badge-mcode { background: rgba(209,154,102,0.2); color: #d19a66; }
.badge-param { background: rgba(156,220,254,0.15); color: #9cdcfe; }
.badge-var { background: rgba(255,215,0,0.15); color: #ffd700; }