:root{--bg:#f6f7fa;--paper:#fff;--ink:#1e2334;--muted:#60677c;--faint:#71798c;--line:#dde1ea;--soft:#f1f3f8;--violet:#6344d8;--tint:#efecff;--green:#17845a;--mint:#e7f6ee;--shadow:0 2px 5px #222e4507;--mono:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;--radius:11px;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif}button,input,select{font:inherit}button,select{cursor:pointer}button{color:inherit;background:none;border:0}button:disabled{opacity:.35;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:3px solid #9f8dee;outline-offset:2px}button{transition:background .14s,color .14s}button:hover:not(:disabled){filter:brightness(.975)}.skip{position:absolute;left:-100vw}.skip:focus{left:12px;top:10px;background:white;padding:8px;z-index:50}.top{height:68px;display:flex;align-items:center;background:var(--paper);border-bottom:1px solid var(--line);padding:0 24px;gap:21px;position:relative;z-index:5}.brand{display:flex;align-items:center;gap:10px;min-width:197px}.brand img{width:36px;height:36px}.brand strong{font-size:18px;letter-spacing:-.8px;font-weight:780;display:block;line-height:1.15}.brand small,.eyebrow,.breadcrumb,.section-kicker,.panelname,.side-group,.layer-sub,.data-label{font:650 10px/1.4 var(--mono);letter-spacing:1.1px}.brand small{font-size:8px;letter-spacing:1.5px;color:var(--faint)}.head-divider,.control-sep{width:1px;background:var(--line);height:28px}.learning{display:flex;align-items:center;gap:10px}.eyebrow{color:var(--faint)}.learning b{font-size:12px;background:var(--tint);color:var(--violet);border:1px solid color-mix(in srgb,var(--violet) 16%,var(--paper));padding:3px 9px;border-radius:5px}.head-tools{display:flex;gap:7px;margin-left:auto;align-items:center}.icon,.ctrl{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--muted)}.ic{width:16px;height:16px;vertical-align:middle;flex-shrink:0}.icon:hover,.ctrl:hover{background:var(--soft)}.search-trigger{border:1px solid var(--line);background:var(--bg);border-radius:6px;display:flex;align-items:center;gap:9px;color:var(--muted);font-size:12px;height:32px;padding:0 8px}.search-trigger kbd{margin-left:24px}kbd{font:10px var(--mono);border:1px solid var(--line);color:var(--faint);background:var(--paper);border-radius:4px;padding:2px 4px}.layout{display:grid;grid-template-columns:224px minmax(0,1fr);min-height:calc(100dvh - 68px)}.sidebar{background:var(--paper);border-right:1px solid var(--line);display:flex;flex-direction:column;position:sticky;top:0;height:calc(100dvh - 0px);max-height:calc(100dvh - 68px);min-height:0}.sidebar-top{padding:22px 16px 9px;display:flex;justify-content:space-between;align-items:center}.journey-nav{display:flex;align-items:center;gap:9px;margin:0 12px 23px;padding:10px;text-align:left;border:1px solid var(--line);border-radius:7px}.journey-nav.active{border-color:#c9bdfa;background:var(--tint)}.journey-nav>b,.lesson-icon,.tile-icon{display:grid;place-items:center}.journey-nav>b{width:30px;height:30px;border-radius:7px;color:var(--violet);background:#dfd8ff}.journey-nav strong,.journey-nav small{display:block}.journey-nav strong{font-size:13px}.journey-nav small,.navrow small{font-size:10px;color:var(--muted)}.journey-nav>.ic{margin-left:auto;width:14px;color:var(--violet)}.catalog-head,.progress-top{display:flex;align-items:center;justify-content:space-between}.catalog-head{padding:0 16px 10px}.catalog-head h2{font-size:14px;margin:0;letter-spacing:-.3px}.badge{border:1px solid var(--line);background:var(--soft);border-radius:5px;padding:1px 5px;font:10px var(--mono);color:var(--muted)}.filters{display:flex;gap:3px;padding:0 10px 12px;border-bottom:1px solid var(--line)}.filters button{flex:1;padding:4px 1px;font-size:10px;color:var(--muted);border:1px solid transparent;border-radius:4px}.filters button.on{background:var(--tint);border-color:#d4c9fb;color:var(--violet);font-weight:700}#catalog{flex:1;overflow:auto;min-height:0;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding:5px 8px 14px}.side-group{margin:13px 8px 5px;color:var(--faint);font-size:9px}.navrow{position:relative;padding:8px 7px;display:flex;align-items:center;gap:8px;text-align:left;width:100%;border-radius:6px}.navrow:hover{background:var(--soft)}.navrow.on{background:var(--tint);color:var(--violet)}.lesson-icon{color:var(--tone);width:26px;height:26px;border-radius:7px;background:var(--toneTint);border:1px solid color-mix(in srgb,var(--tone) 17%,transparent);flex-shrink:0}.lesson-icon .ic{width:15px}.navrow span:nth-child(2){overflow:hidden;min-width:0}.navrow strong,.navrow small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.navrow strong{font-size:12px;line-height:1.3}.navrow small{line-height:1.5}.navrow>.tick{margin-left:auto;color:var(--green)}.navrow .chev{margin-left:auto;color:var(--faint);font:17px var(--mono)}.progress-foot{padding:13px 15px;border-top:1px solid var(--line);background:var(--paper)}.progress-top{font-size:10px;font-weight:650;color:var(--muted)}.progress-top b{font:10px var(--mono);color:var(--violet)}.meter{height:4px;background:var(--soft);border-radius:10px;margin:7px 0}.meter i{display:block;background:var(--violet);height:100%;border-radius:10px}.progress-foot small{font:9px var(--mono);color:var(--faint)}
main{padding:22px clamp(16px,2vw,36px) 14px;min-width:0;max-width:1900px;width:100%;margin:0 auto}.breadcrumb{display:flex;gap:8px;align-items:center;color:var(--faint);font-size:9px;letter-spacing:1.35px}.breadcrumb span{color:#a4abbb}.breadcrumb b{color:var(--violet)}.lesson-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:7px 0 17px}.lesson-heading h1{font-size:clamp(27px,2.65vw,40px);line-height:1.13;letter-spacing:-1.65px;margin:0;font-weight:730}.lesson-heading p{margin:5px 0 0;color:var(--muted);font-size:13px}.lesson-heading button,.inspect-action{font-size:12px;font-weight:650;color:var(--violet)}[hidden]{display:none!important}.desk{display:grid;grid-template-columns:minmax(0,1fr) clamp(245px,23%,332px);gap:15px;align-items:start}.primary,.detail{display:grid;align-content:start;gap:13px;min-width:0}.panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.panelbar,.flowhead{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 15px;border-bottom:1px solid var(--line);min-height:43px}.panelname{display:flex;align-items:center;gap:7px;letter-spacing:.95px;color:var(--muted);font-size:10px}.panelname>.ic{color:var(--violet);width:16px}.segment{display:flex;background:var(--soft);padding:2px;border-radius:6px;gap:1px}.segment button{padding:3px 9px;color:var(--muted);font-size:11px;border:1px solid transparent;border-radius:4px}.segment .on{background:var(--paper);border-color:var(--line);box-shadow:0 1px 2px #0001;color:var(--ink);font-weight:650}#diagram{position:relative;display:grid;place-items:center;background-color:#fafbfe;background-image:radial-gradient(#cbd0db88 .8px,transparent .9px);background-size:15px 15px;aspect-ratio:760/322;min-height:220px;overflow:hidden}#diagram svg{width:100%;height:100%;display:block;max-height:420px}#legend{min-height:28px;padding:3px 14px 9px;background:#fafbfe;display:flex;justify-content:center;flex-wrap:wrap;align-items:center;gap:14px;color:#647083;font:9px var(--mono)}#legend span{display:inline-flex;align-items:center;gap:5px}#legend i{width:7px;height:7px;border-radius:2px}.controls{border-top:1px solid var(--line);display:flex;align-items:center;gap:6px;padding:10px 13px 6px}.play{display:flex;align-items:center;justify-content:center;gap:6px;color:white;background:var(--violet);box-shadow:0 2px 4px #5238a52e;min-width:76px;height:32px;border-radius:6px;font-size:12px;font-weight:650}.ctrl{height:29px;width:29px}.controls .control-sep{height:18px;margin:0 2px}.speed select{border:0;border-radius:4px;padding:3px 1px;background:var(--paper);color:var(--muted);font:600 11px var(--mono)}.step-count{margin-left:auto;font:10px var(--mono);color:var(--muted);white-space:nowrap}.timeline{display:flex;gap:3px;padding:0 13px 7px}.timeline button{flex:1;position:relative;min-width:0;height:10px;padding:0}.timeline button:before{content:"";display:block;height:3px;background:var(--line);border-radius:5px}.timeline .passed:before{background:#b0a0ef}.timeline .current:before{background:var(--violet)}
.flow{background:#161c2b;color:#dce3f2;border-color:#202739}.flowhead{border-color:#343a4b;background:#1b2232}.flowhead .panelname{color:#dee5f6}.flowhead .panelname>.ic{color:#9c95df}.flowhead>span{font:9px var(--mono);color:#a4b0c6}.table-scroll{max-height:200px;overflow:auto;scrollbar-width:thin;scrollbar-color:#3f4960 #1b2230}.flow table{border-collapse:collapse;width:100%;min-width:420px;font:10px/1.5 var(--mono);text-align:left}.flow thead{position:sticky;top:0;z-index:1;background:#20283a}.flow th{color:#acb7cd;font-size:9px;font-weight:500;letter-spacing:.65px;padding:7px 6px}.flow td{padding:7px 6px;border-top:1px solid #ffffff0c;color:#bdc9dc;vertical-align:top}.flow th:first-child,.flow td:first-child{padding-left:12px}.flow td:first-child{color:#9aabc3}.flow td:last-child{padding-right:12px}.flow tr.active{background:#34334f;box-shadow:inset 3px 0 #ab98ff}.flow tr.active td{color:#eeeaff}.flow tbody tr{cursor:pointer}.flow tbody tr:hover{background:#2a3042}.table-tag{color:#b9afff;font-weight:650}.flow .state-chip{display:inline-block;color:#8ee8bd}.step-card{padding:17px 17px 15px;position:relative;border-top:3px solid var(--violet)}.section-kicker{color:var(--violet);font-size:9px;display:flex;align-items:center;gap:6px}.section-kicker i,.live-dot,footer>span:before{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green)}.section-kicker i{background:var(--violet)}.step-meta{display:flex;align-items:center;justify-content:space-between;gap:4px;margin:16px 0 7px;font:10px var(--mono);color:var(--faint)}#phase{font-weight:650;color:var(--green);border-radius:4px;background:var(--mint);padding:3px 6px}.step-card h2{margin:0 0 7px;font-size:20px;letter-spacing:-.65px;line-height:1.18}.step-card p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}#pduBlock{margin-top:12px;border-top:1px solid var(--line);padding-top:12px}.data-label{color:var(--faint);font-size:9px;letter-spacing:.9px}.parts{display:flex;flex-wrap:wrap;gap:3px;margin-top:6px}.part{display:inline-block;padding:3px 5px;border:1px solid var(--line);background:var(--soft);color:var(--muted);font:9px var(--mono);border-radius:3px}.part:last-child{color:var(--violet);background:var(--tint)}.inspector .panelbar{min-height:40px;padding:10px 14px}.live-dot{box-shadow:0 0 0 3px var(--mint)}.field{display:flex;align-items:flex-start;justify-content:space-between;gap:9px;padding:9px 0;border-bottom:1px solid var(--line);font-size:11px}.field:last-child{border-bottom:0}.field span{color:var(--muted)}.field b{text-align:right;font:550 11px/1.4 var(--mono);overflow-wrap:anywhere;max-width:62%}#fields{padding:0 14px}.inspect-action{display:flex;align-items:center;justify-content:space-between;width:100%;padding:9px 14px;border-top:1px solid var(--line);background:var(--soft);font-size:11px}.inspect-action>.ic{width:14px}
.layers{margin-top:15px;padding:16px}.layer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;margin-bottom:12px}.layer-head h2{font-size:15px;letter-spacing:-.4px;margin:0 0 2px}.layer-head p{font-size:11px;margin:0;color:var(--muted)}.layer-head>span{font:9px var(--mono);padding:3px 6px;white-space:nowrap;color:var(--violet);background:var(--tint);border-radius:4px}.layer-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.layer-tile{border:1px solid var(--line);border-radius:6px;background:var(--paper);text-align:left;padding:8px 7px;min-width:0;position:relative}.layer-tile:hover,.layer-tile.on{border-color:var(--tone);background:var(--toneTint)}.layer-num{color:var(--tone);font:700 10px var(--mono)}.layer-tile strong{display:block;font-size:clamp(9px,.86vw,13px);margin:2px 0 0}.tile-arrow{position:absolute;right:6px;top:6px;font-size:10px;color:var(--faint)}.protocol-guide{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.protocol-guide b{display:block;font-size:12px;margin-top:3px}.layer-link{font-weight:650;color:var(--violet);padding:0;text-align:left}.summary{font-size:12px;color:var(--muted);margin:0 0 14px;max-width:100ch}footer{display:flex;align-items:center;justify-content:space-between;margin:14px 1px 0;color:var(--faint);font:9px var(--mono)}footer>span:before{content:"";margin-right:6px;width:5px;height:5px}footer button{color:var(--faint);font-size:10px}footer kbd{margin-left:3px}.mobile,.close-menu,#drawerShade{display:none}
dialog{padding:0;border:1px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);width:min(610px,94vw);max-height:83dvh;box-shadow:0 16px 90px #141b3940}dialog::backdrop{background:#15192c65;backdrop-filter:blur(3px)}.modal-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;z-index:2;top:0;background:var(--paper)}#modalBody{padding:17px 18px 20px}#modalBody p{font-size:13px;color:var(--muted)}.searchbox{display:block;width:100%;padding:10px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:6px}.results{margin-top:8px;max-height:48vh;overflow:auto}.result{display:flex;width:100%;justify-content:space-between;align-items:center;padding:8px;border-radius:4px;text-align:left}.result:hover{background:var(--soft)}.result small{display:block;color:var(--muted);font-size:10px}.keys{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px}.keys kbd{justify-self:end}.hexblock{display:grid;grid-template-columns:repeat(16,minmax(0,1fr));gap:3px;background:var(--soft);border-radius:6px;padding:8px}.hexblock button{padding:5px 0;font:11px var(--mono);color:var(--muted);border-radius:3px}.hexblock button.hit{background:var(--tint);color:var(--violet);font-weight:bold}.hexblock button.selected{background:var(--violet);color:white}.field-list{display:flex;flex-wrap:wrap;gap:4px;margin:10px 0}.field-list button{font:10px var(--mono);padding:4px 7px;border:1px solid var(--line);border-radius:4px}.field-list .on{background:var(--tint);color:var(--violet);border-color:#c4b7ed}.byte-read{background:var(--soft);border:1px solid var(--line);padding:9px 12px;border-radius:6px;font:12px var(--mono);color:var(--ink)}.reference-link{color:var(--violet)}
body.dark{--bg:#161923;--paper:#202433;--ink:#e8eaf6;--muted:#bdc2d6;--faint:#a1aac3;--line:#3b4053;--soft:#282d40;--violet:#ab96ff;--tint:#37314f;--green:#84d6af;--mint:#253f38;color-scheme:dark}.dark .play{background:#7454cd}.dark #diagram,.dark #legend{background-color:#e8ecf3}.dark .lesson-icon,.dark .layer-tile:hover,.dark .layer-tile.on{background:var(--soft)}.dark .journey-nav>b{background:var(--tint)}body.focus .sidebar,body.focus .detail,body.focus .flow,body.focus .layers,body.focus footer{display:none}body.focus .layout,body.focus .desk{display:block}body.focus main{max-width:1200px}body.focus #diagram{max-height:60vh}body.focus #diagram svg{max-height:60vh}
@media(min-width:1600px){.layout{grid-template-columns:246px minmax(0,1fr)}#diagram{min-height:350px}.table-scroll{max-height:240px}}
@media(max-width:1150px){.layout{grid-template-columns:190px minmax(0,1fr)}.desk{grid-template-columns:minmax(0,1fr) 231px;gap:10px}main{padding:18px 12px}.top{padding:0 15px;gap:12px}.brand{min-width:162px}.navrow{padding:7px 4px}.layer-grid{gap:4px}.layer-tile{padding:7px 4px}.desk .step-card{padding:13px}.filters{padding-inline:6px}.controls{gap:4px}}
@media(max-width:940px){.desk{grid-template-columns:minmax(0,1fr)}.detail{grid-template-columns:1fr 1fr}.sidebar{max-height:100dvh}.desk .detail{gap:10px}.step-card p{font-size:12px}.layer-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.layer-tile strong{font-size:12px}#diagram{max-height:350px}.table-scroll{max-height:153px}.search-trigger kbd{margin-left:6px}}
@media(max-width:700px){.top{height:56px;gap:8px;padding:0 10px}.brand{min-width:0;gap:7px}.brand img{width:29px;height:29px}.brand strong{font-size:16px}.brand small{font-size:6.5px}.mobile,.close-menu{display:inline-flex}.mobile{width:29px;height:29px}.learning,.head-divider,.search-trigger kbd,.search-label,.head-tools [data-cmd=focus]{display:none}.search-trigger{padding:0;width:29px;justify-content:center;background:var(--paper)}.head-tools{gap:4px}.head-tools .icon{height:29px;width:29px}.layout{display:block}.sidebar{position:fixed;inset:0 auto 0 0;width:min(288px,88vw);z-index:20;height:100dvh;max-height:100dvh;transform:translateX(-105%);transition:transform .2s}.menu-open .sidebar{transform:translateX(0)}.menu-open #drawerShade{display:block;position:fixed;inset:0;background:#17203860;z-index:19}.sidebar-top{padding-top:10px}.desk{gap:10px}.lesson-heading{margin-bottom:12px}.lesson-heading p{font-size:12px}.detail{grid-template-columns:1fr 1fr}main{padding:15px 10px}.panelbar{padding:8px 10px}#diagram{min-height:175px}.controls{padding:8px 9px 4px}.timeline{padding-inline:9px}.step-card h2{font-size:17px}.step-meta{font-size:8px}.section-kicker,.panelname{font-size:9px}.field{display:block;padding:6px 0}.field b{display:block;text-align:left;max-width:100%;font-size:10px}.field span{font-size:10px}.protocol-guide{grid-template-columns:repeat(2,1fr)}footer{margin:12px 2px}.top .brand small{display:block}}
@media(max-width:450px){.detail{grid-template-columns:1fr}.field{display:flex}.field b{text-align:right}.hexblock{grid-template-columns:repeat(8,1fr)}#legend{gap:7px;font-size:8px}.step-meta{margin:10px 0 6px}.layer-grid{grid-template-columns:repeat(3,1fr)}.flowhead>span{font-size:8px}.step-count{font-size:9px}.controls .control-sep{margin:0}.step-card p{font-size:13px}.layer-head>span{display:none}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}
.table-scroll table{position:relative}body.hide-library .sidebar{display:none}body.hide-library .layout{display:block}.related-protos{margin-top:12px;display:flex;flex-wrap:wrap;gap:5px;align-items:center}.related-protos span{font-size:11px;color:var(--muted);margin-right:5px}.related-protos button{font-size:10px;border-radius:5px;background:var(--tint);color:var(--violet);padding:3px 6px}.lang-label{display:flex;gap:10px;align-items:center}.lang-label select{border:1px solid var(--line);border-radius:4px;padding:5px;background:var(--paper);color:var(--ink)}
@media(max-width:360px){.head-tools [data-cmd=help]{display:none}}

:root{--violet:#0456bb;--tint:#e1edff;--green:#00718a;--mint:#e1f8fd;--bg:#ecf4fa;--paper:#fbfdff;--line:#bfd3ea;--soft:#eaf3fa;--ink:#122d52;--muted:#375373;--faint:#526981}
body.dark{--bg:#030a18;--paper:#07162b;--ink:#ecf5ff;--muted:#b8cde6;--faint:#90a9c4;--line:#1b425e;--soft:#0a1e35;--violet:#63cfff;--tint:#0b3152;--green:#63e7dc;--mint:#123c48}
body{background:radial-gradient(ellipse at 55% 15%,var(--tint),transparent 65%),var(--bg)}
.top{height:74px;padding:0 22px;border-bottom:1px solid var(--violet);background:linear-gradient(115deg,var(--paper) 37%,var(--soft),var(--paper));box-shadow:0 1px 20px #0097ef24}
.brand img{width:60px;height:44px}.brand strong{font-size:clamp(17px,2.3vw,31px);letter-spacing:.3px}.brand small{font:500 12px system-ui;letter-spacing:.2px;color:var(--violet)}.learning{display:none}.head-divider{display:none}.head-tools{gap:9px}.theme-switch,#inspectTabs{display:flex;align-items:center;gap:3px}.theme-switch{padding:3px;background:var(--soft);border-radius:8px;border:1px solid var(--line)}.theme-switch button,#inspectTabs button{border:1px solid transparent;border-radius:5px;padding:4px 9px;color:var(--muted);font-size:12px}.theme-switch button[aria-pressed=true],#inspectTabs button[aria-pressed=true],.top-nav .nav-active{background:var(--tint);color:var(--violet);border-color:var(--violet);box-shadow:inset 0 0 8px #00aaff24}
.layout{grid-template-columns:clamp(185px,15.5vw,250px) minmax(0,1fr);gap:0}.sidebar{height:calc(100dvh - 86px);max-height:calc(100dvh - 86px);margin:9px 0 0 8px;border:1px solid var(--line);border-radius:13px;overflow:hidden;top:8px}.lib-heading{font-size:15px;font-weight:700}.journey-nav.active{background:var(--tint);border-color:var(--violet)}.dark .journey-nav.active{color:white;box-shadow:inset 0 0 15px #007dff64}.journey-nav>b{background:var(--tint)}.progress-foot{display:flex;align-items:center;gap:9px}.completion-ring{box-sizing:border-box;display:grid;place-items:center;width:42px;height:42px;border-radius:100%;background:conic-gradient(var(--violet) var(--pct),var(--line) 0);flex:none}.completion-ring b{display:grid;place-items:center;background:var(--paper);width:34px;height:34px;border-radius:50%;font-size:11px}.progress-detail{flex:1}
main{padding:8px 13px 14px}.top-nav{display:flex;align-items:center;gap:8px;padding:5px 10px;border:1px solid var(--line);border-radius:10px;background:var(--paper);margin-bottom:11px}.top-nav button{color:var(--muted);border:1px solid transparent;border-radius:6px;padding:5px 13px;font-size:13px;font-weight:650}.breadcrumb{font-size:8px}.lesson-heading{margin:4px 0 10px}.lesson-heading h1{font-size:clamp(25px,2.4vw,35px);letter-spacing:-.8px}.lesson-heading p{margin-top:2px}.desk{grid-template-columns:minmax(0,1fr) clamp(220px,23%,330px);gap:10px}.panel{border-radius:11px}.visual{border-color:var(--line);background:var(--paper)}.visual>.panelbar{float:right;position:relative;border:0;padding:5px 10px;min-height:43px}.visual #viewLabel{display:none}.controls{border:0;padding:6px 10px;min-height:44px}.play,.dark .play{background:linear-gradient(155deg,#0276c9,#04408a);color:white;border:1px solid #3fb7fc;box-shadow:0 0 11px #009dff45}.step-count{font-size:9px}#diagram{clear:both;aspect-ratio:760 / 352;min-height:0;background:var(--soft);border-block:1px solid var(--line)}#diagram svg{height:100%;max-height:none}.dark #diagram,.dark #legend{background-color:#071427}#legend{background:var(--paper);color:var(--muted);padding:5px 8px;font-size:8px}
.timeline{gap:0;padding:9px 9px 10px;overflow:auto}.timeline button{height:38px;display:flex;align-items:center;flex-direction:column;justify-content:flex-start;gap:1px}.timeline button::before{position:absolute;top:6px;left:0;right:0;height:2px;border-radius:0;background:var(--line)}.stop-dot{width:10px;height:10px;flex-shrink:0;border:2px solid var(--violet);border-radius:50%;background:var(--paper);z-index:1}.current .stop-dot{background:var(--violet);box-shadow:0 0 9px var(--violet)}.stop-num{font:700 9px var(--mono);margin-top:2px}.stop-label{font:8px var(--mono);color:var(--muted)}.step-card{border-top:2px solid #9768ff}.key-card{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:10px;margin-top:10px;font-size:12px}.key-card ul{margin:6px 0 0;padding:0;list-style:none}.key-card li{margin-top:5px;padding-left:17px;position:relative;color:var(--muted)}.key-card li:before{content:'✓';position:absolute;left:0;color:var(--green);font-weight:800}#inspectTabs{padding:8px 10px 3px}#evidenceData{white-space:pre-wrap;word-break:break-word;margin:7px 11px 11px;padding:10px;font:11px/1.55 var(--mono);background:var(--bg);color:var(--ink);border:1px solid var(--line);border-radius:6px}.flow,.flowhead,.flow thead{background:var(--paper);color:var(--ink);border-color:var(--line)}.flow td,.flow td:first-child,.flow th,.flowhead .panelname,.flowhead>span{color:var(--muted)}.flow td{border-color:var(--line)}.flow tr.active,.flow tbody tr:hover{background:var(--tint)}.flow tr.active td,.table-tag{color:var(--violet)}.table-scroll{max-height:155px}
@media(max-width:960px){.desk{grid-template-columns:1fr}.sidebar{max-height:calc(100dvh - 88px)}.top-nav{gap:2px}.top-nav button{padding:5px 9px}}
@media(max-width:700px){.sidebar{height:100dvh;max-height:100dvh;margin:0;top:0}.top{height:60px;padding:0 8px;gap:4px}.brand img{width:32px;height:30px}.brand strong{font-size:14px}.brand small{font-size:8px}.head-tools{gap:4px}.theme-switch button{font-size:10px;padding:4px 5px}.top-nav{overflow:auto;white-space:nowrap}.top-nav button{font-size:11px}.top-nav{margin-bottom:8px}.visual>.panelbar{float:none;min-height:26px;padding:2px 8px;justify-content:flex-end}.visual #viewLabel{display:flex;margin-right:auto}.timeline{padding-inline:4px}.stop-label{font-size:7px}.controls{min-height:36px}.head-tools [data-cmd=help],.head-tools [data-cmd=focus]{display:none}main{padding:8px}.theme-switch{gap:0}.step-card{padding:13px}}
/* Keep endpoint drawings, packet cards and sequence messages legible in either palette. */
.technical-stage{background:#f4f9fe}.dark .technical-stage{background:#08172a}
.dark .technical-stage text{fill:#c4d9ed}.dark .technical-stage text[fill="#278459"]{fill:#7af2d9}.dark .technical-stage text[fill="#694bc2"]{fill:#a8baff}
.dark .technical-stage [fill="#fff"],.dark .technical-stage [fill="white"],.dark .technical-stage [fill="#ffffff"],.dark .technical-stage [fill="#f7f8fd"],.dark .technical-stage [fill="#f7f7fc"]{fill:#18314a}
.dark .technical-stage [fill="#eaf6f0"],.dark .technical-stage [fill="#f4faf6"],.dark .technical-stage [fill="#f0fbf4"]{fill:#0c3742}
.dark .technical-stage [fill="#d9ddfb"],.dark .technical-stage [fill="#ccc9ef"],.dark .technical-stage [fill="#dad8f7"],.dark .technical-stage [fill="#e4e2f2"]{fill:#3c5d8a}
.dark .technical-stage [stroke="#27334a"]{stroke:#a5bfe2}.dark .technical-stage pattern circle{fill:#34516d}
body.dark .visual{box-shadow:0 0 20px #009ac812}.dark .step-card{box-shadow:0 0 16px #9454ff16}
.osi-stage{isolation:isolate}