.nl-tools{display: flex;flex-wrap: wrap;gap: 6px}.nl-tools span{font-size: 16px}.nl-stage-wrap{position: relative;border-radius: 22px;overflow: hidden;border: 1px solid var(--line);background: var(--surface)}.nl-dev{touch-action: none}.nl-tip{position: absolute;top: 8px;inset-inline-start: 10px;margin: 0;padding: 4px 10px;border-radius: 99px;background: var(--brand);color: #fff;font-size: 12.5px}.nl-tip:empty{display: none}.nl-cable{stroke: #64748b;stroke-width: 3}.nl-dev{cursor: grab;outline: none}.nl-dev:active{cursor: grabbing}.nl-dev-bg{fill: var(--surface-2, #f1f5f9);stroke: var(--line, #cbd5e1);stroke-width: 2}.nl-dev-bg.t-switch{fill: #dbeafe}.nl-dev-bg.t-router{fill: #fef3c7}.nl-dev.sel .nl-dev-bg{stroke: var(--brand, #1e3a8a);stroke-width: 4}.nl-dev.from .nl-dev-bg{stroke: #f59e0b;stroke-width: 4;stroke-dasharray: 6 4}.nl-ico{font-size: 28px;pointer-events: none}.nl-name{fill: var(--ink, #0f172a);font: 700 12.5px "Readex Pro", sans-serif;pointer-events: none}.nl-ip{fill: var(--brand, #1e3a8a);font: 600 11.5px ui-monospace, monospace;direction: ltr;pointer-events: none}.nl-ip.empty{fill: #ef4444;font-family: "Readex Pro", sans-serif}.nl-if{fill: #92400e;font: 600 10.5px ui-monospace, monospace;direction: ltr;pointer-events: none}.nl-pkt{fill: #22c55e;stroke: #fff;stroke-width: 2;filter: drop-shadow(0 0 6px #22c55e)}.nl-pkt.fail{fill: #ef4444;filter: drop-shadow(0 0 6px #ef4444)}.nl-bottom{display: grid;grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);gap: 12px}.nl-cfg{display: grid;gap: 8px;align-content: start}.nl-cfg h3{font-size: 16px}.nl-cfg label{display: grid;gap: 4px;font-size: 13px;font-weight: 600;color: var(--ink-2)}.nl-cfg input, .nl-ping input, .nl-ping select{padding: 8px 10px;border-radius: 10px;border: 1px solid var(--line);background: var(--surface);color: var(--ink);font: inherit;font-size: 14px}.nl-cfg fieldset{border: 1px dashed var(--line);border-radius: 12px;padding: 8px 10px;display: grid;gap: 6px}.nl-cfg legend{font-size: 12.5px;font-weight: 700;color: #92400e;direction: ltr}.nl-ping{display: grid;gap: 10px;align-content: start}.nl-ping h3 i{color: var(--accent)}.nl-ping-row{display: flex;gap: 6px;align-items: center}.nl-ping-row > *{flex: 1;min-width: 0}.nl-ping-row span{flex: none}.nl-log{margin: 0;min-height: 60px;padding: 10px 12px;border-radius: 12px;background: #0b1224;color: #86efac;font: 12.5px/1.7 ui-monospace, monospace;white-space: pre-wrap;text-align: left}.nl-log:empty::before{content: "C:\\> ping …";color: #64748b}.nl-ref-l{padding: 10px 26px 12px 12px;line-height: 2;font-size: 14px}.nl-ref-l code{direction: ltr;unicode-bidi: embed}@media (max-width: 760px){.nl-bottom{grid-template-columns: minmax(0, 1fr)}}@media (max-width: 760px){.nl-stage-wrap{overflow-x: auto;-webkit-overflow-scrolling: touch}.nl-stage-wrap::after{content: "↔ اسحب لرؤية الشبكة كاملة";position: sticky;left: 0;display: block;padding: 4px 10px;font-size: 12px;color: var(--ink-3)}}