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14px}.history-list{display:flex;flex-direction:column}.history-head{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;font-size:11px;letter-spacing:0.1em}.history-item{padding:8px 14px;cursor:pointer;display:flex;flex-direction:column;gap:2px;border-left:2px solid transparent;transition:background 120ms,border-color 120ms}.history-item:hover{background:var(--bg-2);border-left-color:var(--accent)}.boot-screen{position:fixed;inset:0;z-index:10000;background:#000;color:var(--accent);display:flex;align-items:center;justify-content:center;font-family:inherit;transition:opacity 320ms ease,transform 320ms ease}.boot-screen.boot-fading{opacity:0;transform:scale(1.02);pointer-events:none}.boot-inner{width:720px;max-width:96vw}.boot-logo{font-size:7px;line-height:1.2;color:var(--accent);text-shadow:0 0 8px var(--accent);margin:0 0 12px;white-space:pre;overflow:hidden}@media (min-width:720px){.boot-logo{font-size:9px}}.boot-tag{color:var(--fg-dim);font-size:11px;letter-spacing:0.16em;margin-bottom:22px;text-transform:uppercase}.boot-lines{font-size:12px;line-height:1.7}.boot-line{white-space:pre}.boot-ok{color:var(--ok)}.boot-warn{color:var(--warn)}.boot-dim{color:var(--fg-faint)}.boot-prompt{color:var(--fg)}.boot-cursor{animation:blink 1s steps(2) infinite;margin-left:2px}@keyframes blink{50%{opacity:0}}.boot-skip{position:absolute;bottom:24px;right:24px;font-size:11px;background:transparent;border:1px solid var(--fg-faint);color:var(--fg-dim);letter-spacing:0.1em}.boot-skip:hover{color:var(--accent);border-color:var(--accent)}.matrix-rain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:0.18;mix-blend-mode:screen}.glitch-type .caret{animation:blink 1s steps(2) infinite;color:var(--accent);margin-left:1px}.glitch{position:relative;display:inline-block}.glitch::before,.glitch::after{content:attr(data-text);position:absolute;top:0;left:0;width:100%;pointer-events:none}.glitch::before{color:var(--accent-3);transform:translate(-1px,0);mix-blend-mode:screen;clip-path:inset(0 0 60% 0);animation:glitch1 3.6s infinite linear alternate-reverse}.glitch::after{color:var(--accent-2);transform:translate(1px,0);mix-blend-mode:screen;clip-path:inset(60% 0 0 0);animation:glitch2 4.2s infinite linear alternate-reverse}@keyframes glitch1{0%,90%,100%{clip-path:inset(0 0 60% 0);transform:translate(-1px,0)}92%{clip-path:inset(20% 0 30% 0);transform:translate(-3px,1px)}95%{clip-path:inset(40% 0 10% 0);transform:translate(2px,-1px)}}@keyframes glitch2{0%,88%,100%{clip-path:inset(60% 0 0 0);transform:translate(1px,0)}91%{clip-path:inset(10% 0 50% 0);transform:translate(2px,1px)}94%{clip-path:inset(70% 0 5% 0);transform:translate(-2px,-1px)}}.help-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(6px);z-index:8000;display:flex;align-items:center;justify-content:center}.help-modal{width:640px;max-width:92vw;background:var(--bg-1);border:1px solid var(--accent);box-shadow:0 0 60px -10px var(--accent);border-radius:var(--radius);padding:0}.help-head{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--accent);display:flex;justify-content:space-between}.help-body{padding:18px}.help-body table{width:100%;border-collapse:collapse;font-size:13px}.help-body td{padding:6px 0}.help-body td:first-child{color:var(--accent);width:200px}.help-body td:last-child{color:var(--fg-dim)}.konami-banner{position:fixed;top:60px;left:50%;transform:translateX(-50%);background:var(--accent-3);color:#fff;padding:14px 24px;z-index:9000;font-weight:600;letter-spacing:0.1em;text-transform:uppercase;box-shadow:0 0 40px var(--accent-3);animation:konami-in 320ms cubic-bezier(.2,.8,.2,1)}@keyframes konami-in{from{transform:translate(-50%,-40px);opacity:0}to{transform:translate(-50%,0);opacity:1}}html[data-density="compact"] .panel{margin-bottom:12px}html[data-density="compact"] .input-grid,html[data-density="compact"] .binary-view,html[data-density="compact"] .netviz{padding:12px 14px}html[data-density="compact"] .ip-input{font-size:16px;padding:10px}html[data-density="airy"] .panel{margin-bottom:24px}html[data-density="airy"] .input-grid{padding:26px}@media (max-width:920px){.app-shell{grid-template-columns:60px 1fr}.nav-item{padding:12px 8px;justify-content:center}.nav-item-label,.nav-shortcut,.nav-section-title,.sidebar-footer{display:none}.input-grid,.vlsm-base,.splitter-controls,.supernet-grid{grid-template