.ybf19[data-tool="lights"]{max-width:760px;margin:0 auto;padding:20px;border-radius:16px;background-image:linear-gradient(135deg,#ffd86f,#fc6262);color:#1b1b1b;font-size:16px;box-sizing:border-box}.ybf19[data-tool="lights"] *{box-sizing:border-box}.ybf19[data-tool="lights"] h3{margin:0 0 8px;font-size:26px;line-height:1.3}.ybf19[data-tool="lights"] .ybf19-desc{margin:0 0 14px;font-size:14px;line-height:1.5}.ybf19[data-tool="lights"] .ybf19-panel{background:#fff;border-radius:12px;padding:16px}.ybf19[data-tool="lights"] .ybf19-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-bottom:14px}.ybf19[data-tool="lights"] .ybf19-cell{min-height:44px;min-width:44px;padding:6px;font-size:16px;border-radius:10px;border:2px solid #444;background:#e8e8e8;color:#111;cursor:pointer;font-weight:600}.ybf19[data-tool="lights"] .ybf19-cell[data-lit="true"]{background:#fff3b0;border-color:#b8860b}.ybf19[data-tool="lights"] .ybf19-cell[data-lit="false"]{background:#d9d9d9;border-color:#555}.ybf19[data-tool="lights"] .ybf19-cell:disabled{cursor:default;opacity:.85}.ybf19[data-tool="lights"] .ybf19-cell:focus-visible{outline:3px solid #1a5fb4;outline-offset:2px}.ybf19[data-tool="lights"] .ybf19-status{margin:0 0 8px;font-size:16px;line-height:1.5;background:#f2f6ff;border-radius:8px;padding:8px 10px}.ybf19[data-tool="lights"] .ybf19-meta{margin:0 0 14px;font-size:16px}.ybf19[data-tool="lights"] .ybf19-actions{display:flex;gap:10px;flex-wrap:wrap}.ybf19[data-tool="lights"] .ybf19-actions button{min-height:44px;min-width:88px;padding:8px 18px;font-size:16px;border-radius:10px;border:2px solid #333;background:#fff;color:#111;cursor:pointer;font-weight:600}.ybf19[data-tool="lights"] .ybf19-actions button:disabled{opacity:.5;cursor:default}.ybf19[data-tool="lights"] .ybf19-actions button:focus-visible{outline:3px solid #1a5fb4;outline-offset:2px}