@charset "UTF-8";
:root{--ink:#163b39;--muted:#6b7e7a;--green:#14836f;--mint:#e4f3e9;--line:#dce5df;--paper:#f6f8f4;--yellow:#efcf76;--mono:Consolas,'Courier New',monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px 'Segoe UI',Arial,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer;background:white;border:1px solid var(--line);border-radius:7px;color:var(--ink);padding:9px 12px;transition:background .15s}button:hover{background:var(--mint)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid #24a68a;outline-offset:2px}button.active{background:var(--mint);color:var(--green);font-weight:700}button.primary{background:var(--ink);color:white;border-color:var(--ink)}button.danger{color:#b04737}input,select,textarea{min-width:0;border:1px solid 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input{width:auto}.inspector .mac{font:10px var(--mono);padding:9px;background:var(--paper);border-radius:5px}.inspector details{margin:16px 0;border-top:1px solid var(--line);padding-top:13px}.inspector summary{font-size:12px;cursor:pointer;font-weight:600}.inspector textarea{font:10px var(--mono);width:100%;margin-top:10px;min-height:130px}.inspector .buttonrow{display:flex;gap:6px;margin-top:13px}.inspector .buttonrow button{font-size:11px;flex:1;padding:8px 4px}.inspector .badge{display:inline-block;padding:4px 7px;border-radius:5px;background:var(--mint);color:var(--green);font-size:9px;margin-right:4px}.packet-tools{display:flex;align-items:center;gap:6px;padding:9px 12px;flex-wrap:wrap}.packet-tools select,.packet-tools button{font-size:10px;padding:5px 7px}.packet-split{display:grid;grid-template-columns:1.3fr 1fr;height:204px;overflow:hidden}.packet-scroll{overflow:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:10px}th{font-weight:600;color:var(--muted);background:#f4f7f2;position:sticky;top:0}th,td{padding:8px 10px;border-bottom:1px solid #edf0eb}tbody tr{cursor:pointer}tbody tr:hover,tbody tr.active{background:#edf7ed}.proto{padding:3px 5px;border-radius:4px;background:#e5eee6;color:#27624c;font:9px var(--mono)}.proto.TCP{background:#e1edf4;color:#2d647f}.proto.ARP{background:#f7efd7;color:#887030}.proto.DROP{background:#f7dfdc;color:#ae4538}#packet-detail{border-left:1px solid var(--line);padding:10px;overflow:auto;font-size:11px}#packet-detail pre{font:10px var(--mono);white-space:pre-wrap;word-break:break-all}.osi-stack{display:flex;flex-wrap:wrap;gap:3px;margin:7px 0}.osi-stack span{font-size:9px;padding:4px 6px;background:#eff2ed;border-radius:3px}.osi-stack 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@media(min-width:1600px){#labor.active{grid-template-columns:240px minmax(0,1fr) 290px}.library{padding:26px}#canvas{max-height:650px}}
@media(max-width:1150px){header{padding:14px 18px;flex-wrap:wrap;gap:10px}.brand{font-size:20px}nav button{padding:9px 12px}.offline{display:none}#labor.active{grid-template-columns:155px minmax(0,1fr) 230px}.library{padding:19px 12px}.library h2{font-size:18px}.library .muted{font-size:11px}.canvas-toolbar .muted{display:none}.dock-tabs{padding:5px}.dock-tabs button{font-size:10px;padding:8px 5px}.card-grid{grid-template-columns:repeat(2,1fr)}.projectbar{flex-wrap:wrap}.canvas-caption{gap:9px}.canvas-caption span:last-child{display:none}.packet-tools .tiny{display:none}}
@media(max-width:850px){#labor.active{grid-template-columns:1fr 230px}.library{grid-column:1/-1;border-right:0;border-bottom:1px solid var(--line);padding:10px 15px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.library h2,.library>.muted,.library .sectionlabel,.library .tip,.library .tiny{display:none}.device-library{display:flex;margin:0;gap:5px}.device-library button{flex-direction:row;padding:7px;font-size:10px;gap:5px}.device-library svg{width:22px;height:21px}.library .wide{width:auto;font-size:10px}.library .check{margin:0;font-size:10px}.workspace{min-height:620px}.header-actions{margin-left:auto}.knowledge-layout{grid-template-columns:180px 1fr}.reading{padding:28px 20px}#command-form label{font-size:9px}.canvas-wrap{min-height:300px}#canvas{min-height:300px}}
@media(max-width:620px){header{padding:12px;gap:12px}.brand small{font-size:7px;letter-spacing:1px}.brand{font-size:18px}.brandmark{width:35px;height:35px}nav{order:3;width:100%;justify-content:space-between}nav button{font-size:12px;padding:8px 12px}.header-actions button{font-size:10px;padding:8px}.projectbar{padding:12px}.projecttools{flex-wrap:wrap}.projecttools select{max-width:165px}#labor.active{display:flex;flex-direction:column}.library{gap:9px}.device-library{flex-wrap:wrap}.device-library button{font-size:9px}.device-library svg{width:17px;height:17px}.inspector{max-height:none;border-left:0;border-top:1px solid var(--line)}.inspector form{display:grid;grid-template-columns:1fr 1fr}.inspector form>.wide{grid-column:1/-1}.inspector details{margin:10px 0}.inspector .sectionlabel{margin-bottom:10px}.workspace{min-height:580px}.canvas-wrap{min-height:265px}#canvas{min-height:265px;height:300px}.canvas-caption{font-size:8px}.dock-panel{height:280px}#terminal-output{height:227px}.dock-tabs select{max-width:95px}.packet-split{grid-template-columns:1fr;height:228px}.packet-scroll{max-height:130px}#packet-detail{max-height:100px;border-left:0;border-top:1px solid var(--line)}.card-grid{grid-template-columns:1fr}.reading{padding:26px 15px}.page-heading h1{font-size:32px}.knowledge-layout{grid-template-columns:1fr}#chapter-menu{flex-direction:row;overflow:auto}#chapter-menu button{white-space:nowrap;padding:9px;font-size:11px}.article-card{padding:21px}.formgrid{grid-template-columns:1fr 1fr}footer{padding:12px;gap:12px}footer>span:nth-child(2){display:none}#command-form{gap:6px;padding:8px}#command-form button{font-size:9px}.packet-tools{gap:4px;padding:6px}.packet-tools button{font-size:9px}}
@media print{header,.projectbar,footer,.view:not(#journal),#note-form{display:none!important}#journal{display:block!important}.reading{padding:0}.journal-entry{break-inside:avoid}body{background:white}}

