/* ───────── tokens ───────── */
:root {
  --bg: #0b0e13;
  --canvas: #0e1218;
  --panel: #12161d;
  --panel-2: #171c25;
  --raise: #1d2330;
  --hover: #222a38;
  --line: #232a36;
  --line-2: #2d3544;
  --text: #e4e8ef;
  --text-2: #a7b0bf;
  --muted: #6c7687;
  --accent: #4c9bff;
  --accent-ink: #fff;
  --accent-soft: rgba(76, 155, 255, .14);
  --ok: #3ccf7e;
  --warn: #f2b84b;
  --bad: #ff5d5d;
  --teal: #2fd0c0;
  --violet: #a58bff;
  --grid-dot: #1f2632;
  --grid-major: #19202b;
  --link: #6b7a92;
  --shadow: 0 8px 28px rgba(0, 0, 0, .45), 0 1px 0 rgba(255, 255, 255, .03) inset;
  --p-arp: #f2b84b;
  --p-icmp: #4c9bff;
  --p-tcp: #3ccf7e;
  --p-udp: #2fd0c0;
  --p-dhcp: #e07a2e;
  --p-dns: #a58bff;
  --p-stp: #ff7ab6;
  --p-vlan: #7cc4ff;
  --p-route: #f2c14b;
  --p-ospf: #f2c14b;
  --p-raw: #8a94a6;
  --p-l2: #a58bff;
  --p-ext: #2fd0c0;
  --p-drop: #ff5d5d;
  --p-ok: #3ccf7e;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", system-ui, Roboto, "Helvetica Neue", sans-serif;
  --mono: ui-monospace, "JetBrains Mono", "Cascadia Code", "SF Mono", Menlo, Consolas, monospace;
  --dock-h: 260px;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #eef1f5;
  --canvas: #f7f9fb;
  --panel: #ffffff;
  --panel-2: #f6f8fa;
  --raise: #ffffff;
  --hover: #eef2f7;
  --line: #e3e7ed;
  --line-2: #d3d9e2;
  --text: #17202c;
  --text-2: #4a5568;
  --muted: #7d8899;
  --accent: #1f6feb;
  --accent-soft: rgba(31, 111, 235, .1);
  --ok: #17a35a;
  --warn: #c58a0d;
  --bad: #d93838;
  --teal: #0f9e90;
  --violet: #7552e0;
  --grid-dot: #d8dee7;
  --grid-major: #e9edf2;
  --link: #8794a8;
  --shadow: 0 8px 28px rgba(20, 30, 50, .14);
  --p-arp: #c58a0d;
  --p-icmp: #1f6feb;
  --p-tcp: #17a35a;
  --p-udp: #0f9e90;
  --p-dhcp: #c45c12;
  --p-dns: #7552e0;
  --p-stp: #c43b78;
  --p-vlan: #2d6fd1;
  --p-route: #c58a0d;
  --p-ospf: #c9960d;
  --p-raw: #6b7280;
  --p-l2: #7552e0;
  --p-ext: #0f9e90;
  --p-drop: #d93838;
  --p-ok: #17a35a;
  color-scheme: light;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 13px/1.4 var(--font); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
kbd { font: 10px var(--mono); color: var(--muted); border: 1px solid var(--line-2); border-radius: 4px; padding: 0 4px; }
.muted { color: var(--muted); }
.mono { font-family: var(--mono); }
.spacer { flex: 1; }
i[data-i] { display: inline-flex; width: 16px; height: 16px; flex: none; }
i[data-i] svg { width: 100%; height: 100%; }
[hidden] { display: none !important; }
::selection { background: var(--accent-soft); }
*:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 10px; border: 3px solid transparent; background-clip: padding-box; }

/* ───────── layout ───────── */
#app {
  height: 100vh;
  display: grid;
  grid-template-columns: 236px minmax(0, 1fr) 320px;
  grid-template-rows: 44px minmax(0, 1fr) var(--dock-h) 24px;
  grid-template-areas:
    "top top top"
    "lib stage side"
    "dock dock side"
    "status status status";
}
#app.dock-min { --dock-h: 34px; }
#topbar { grid-area: top; }
#library { grid-area: lib; }
#stage { grid-area: stage; }
#side { grid-area: side; }
#dock { grid-area: dock; }
#status { grid-area: status; }

/* ───────── top bar ───────── */
#topbar {
  display: flex; align-items: center; gap: 10px; padding: 0 10px;
  background: var(--panel); border-bottom: 1px solid var(--line);
  position: relative; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 7px; font-weight: 650; letter-spacing: -.01em; font-size: 14px; padding-right: 4px; }
.brand-mark { width: 20px; height: 20px; color: var(--accent); fill: var(--accent); }
.mbody a { color: var(--accent); }
#menubar { display: flex; }
#menubar > button { background: none; border: 0; padding: 5px 9px; border-radius: 6px; color: var(--text-2); }
#menubar > button:hover, #menubar > button.open { background: var(--hover); color: var(--text); }
.labname { display: flex; align-items: center; gap: 8px; margin-left: 6px; padding-left: 12px; border-left: 1px solid var(--line); }
#lab-name { background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 4px 6px; font-weight: 600; width: 200px; }
#lab-name:hover { border-color: var(--line-2); }
#lab-name:focus { border-color: var(--accent); background: var(--panel-2); outline: none; }
#save-state { font-size: 11.5px; }
.group { display: flex; gap: 4px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 10px;
  border-radius: 7px; border: 1px solid var(--line-2); background: var(--raise); color: var(--text);
  white-space: nowrap; transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--hover); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--hover); color: var(--text); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); }
.btn.danger:hover { background: color-mix(in srgb, var(--bad) 12%, transparent); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.btn.sm { height: 24px; padding: 0 8px; font-size: 12px; border-radius: 6px; }
.btn:disabled { opacity: .45; cursor: default; }
.btn i[data-i] { width: 14px; height: 14px; }
.icon-btn {
  display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 7px;
  border: 0; background: transparent; color: var(--text-2);
}
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn.sm { width: 24px; height: 24px; }
.icon-btn.toggle.on { color: var(--accent); background: var(--accent-soft); }
.icon-btn:disabled { opacity: .4; cursor: default; }

.seg { display: inline-flex; background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 2px; }
.seg button { border: 0; background: transparent; color: var(--text-2); padding: 3px 10px; border-radius: 6px; font-size: 12.5px; }
.seg button.on { background: var(--raise); color: var(--text); box-shadow: 0 1px 2px rgba(0,0,0,.25); }
:root[data-theme="light"] .seg button.on { box-shadow: 0 1px 2px rgba(0,0,0,.12), 0 0 0 1px var(--line); }
.sim-ctl { opacity: .35; pointer-events: none; transition: opacity .15s; }
.sim-ctl.live { opacity: 1; pointer-events: auto; }
#sim-play.on { color: var(--accent); background: var(--accent-soft); }
.speed { display: flex; align-items: center; gap: 6px; color: var(--muted); font: 11.5px var(--mono); }
.speed input { width: 70px; accent-color: var(--accent); }
#speed-out { width: 30px; }

/* ───────── panels ───────── */
.panel { background: var(--panel); display: flex; flex-direction: column; min-height: 0; }
#library { border-right: 1px solid var(--line); }
#side { border-left: 1px solid var(--line); overflow: hidden; }
.panel-head {
  display: flex; align-items: center; gap: 6px; height: 34px; padding: 0 8px 0 12px; flex: none;
  font-size: 11px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--muted);
  background: none; border: 0; width: 100%; text-align: left;
}
.panel-head > span:first-child { flex: 1; }
.panel-head.clickable:hover { color: var(--text-2); }
.panel-head .count { font: 11px var(--mono); letter-spacing: 0; text-transform: none; color: var(--muted); }
.panel-head .chev { width: 13px; height: 13px; transform: rotate(90deg); transition: transform .15s; }
.collapsed .chev { transform: rotate(0); }
.collapsed .body { display: none; }

.search { display: flex; align-items: center; gap: 6px; margin: 0 10px 8px; padding: 0 8px; height: 30px; border-radius: 7px; background: var(--panel-2); border: 1px solid var(--line); color: var(--muted); }
.search:focus-within { border-color: var(--accent); }
.search input { flex: 1; min-width: 0; border: 0; background: none; outline: none; }
.search i[data-i] { width: 14px; height: 14px; }

#lib-list { flex: 1; overflow-y: auto; padding: 0 6px 6px; }
.lib-group { font-size: 11px; color: var(--muted); padding: 10px 8px 4px; font-weight: 600; }
.lib-item {
  display: grid; grid-template-columns: 40px 1fr; gap: 10px; align-items: center;
  padding: 6px 8px; border-radius: 8px; cursor: grab; user-select: none; border: 1px solid transparent;
}
.lib-item:hover { background: var(--hover); }
.lib-item.armed { border-color: var(--accent); background: var(--accent-soft); }
.lib-item.disabled { opacity: .45; cursor: not-allowed; }
.lib-item .art { width: 40px; height: 40px; }
.lib-item .art svg { width: 100%; height: 100%; }
.lib-item b { display: block; font-weight: 600; font-size: 13px; }
.lib-item small { color: var(--muted); font-size: 11.5px; line-height: 1.3; display: block; }
.lib-item .tag { font: 10px var(--mono); padding: 0 5px; border-radius: 4px; margin-left: 6px; background: color-mix(in srgb, var(--teal) 16%, transparent); color: var(--teal); vertical-align: 1px; }
.lib-foot { padding: 10px 14px; font-size: 11.5px; border-top: 1px solid var(--line); }

/* ───────── stage ───────── */
#stage { position: relative; background: var(--canvas); min-width: 0; min-height: 0; overflow: hidden; }
#canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; outline: none; touch-action: none; }
.float { position: absolute; z-index: 5; }
#toolbar {
  top: 12px; left: 12px; display: flex; align-items: center; gap: 2px; padding: 4px;
  background: color-mix(in srgb, var(--panel) 92%, transparent); backdrop-filter: blur(10px);
  border: 1px solid var(--line); border-radius: 10px; box-shadow: var(--shadow);
}
#toolbar .sep { width: 1px; height: 18px; background: var(--line-2); margin: 0 5px; }
.tool { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 8px; border: 0; border-radius: 7px; background: none; color: var(--text-2); }
.tool:hover { background: var(--hover); color: var(--text); }
.tool.on { background: var(--accent-soft); color: var(--accent); }
.tool.on kbd { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 40%, transparent); }
.zoom-read { border: 0; background: none; color: var(--text-2); font: 11.5px var(--mono); width: 44px; height: 28px; border-radius: 6px; }
.zoom-read:hover { background: var(--hover); }
#minimap {
  position: absolute; right: 12px; bottom: 12px; width: 200px; height: 130px; z-index: 5;
  background: color-mix(in srgb, var(--panel) 92%, transparent); border: 1px solid var(--line);
  border-radius: 10px; box-shadow: var(--shadow); cursor: pointer;
}
#hint {
  left: 12px; bottom: 12px; padding: 5px 10px; border-radius: 8px; font: 11.5px var(--mono); color: var(--text-2);
  background: color-mix(in srgb, var(--panel) 88%, transparent); border: 1px solid var(--line); pointer-events: none;
}
#hint:empty { display: none; }
#empty { inset: 0; margin: auto; width: max-content; height: max-content; text-align: center; padding: 22px 28px; border: 1px dashed var(--line-2); border-radius: 14px; background: color-mix(in srgb, var(--panel) 70%, transparent); }
.empty-title { font-weight: 600; font-size: 15px; margin-bottom: 4px; }
button.link { background: none; border: 0; padding: 0; color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }

/* ───────── topology list ───────── */
#topo { border-bottom: 1px solid var(--line); flex: none; }
#topo-list { max-height: 210px; overflow-y: auto; padding: 0 6px 8px; }
.topo-row { display: grid; grid-template-columns: 10px 22px 1fr auto; gap: 8px; align-items: center; padding: 3px 6px; border-radius: 6px; cursor: pointer; }
.topo-row:hover { background: var(--hover); }
.topo-row.sel { background: var(--accent-soft); }
.topo-row .art { width: 22px; height: 22px; }
.topo-row .art svg { width: 100%; height: 100%; }
.topo-row .ip { font: 11px var(--mono); color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.dot.running { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.dot.stopped { background: var(--bad); }
.dot.booting { background: var(--warn); animation: blink 1s infinite; }
.dot.idle { background: var(--muted); }
@keyframes blink { 50% { opacity: .35; } }

/* ───────── inspector ───────── */
#inspector { flex: 1; overflow-y: auto; min-height: 0; }
.insp-head { display: grid; grid-template-columns: 48px 1fr; gap: 12px; align-items: center; padding: 14px 14px 10px; }
.insp-head .art { width: 48px; height: 48px; }
.insp-head .art svg { width: 100%; height: 100%; }
.insp-head .name { font-size: 15px; font-weight: 650; border: 1px solid transparent; background: none; border-radius: 6px; padding: 2px 5px; margin-left: -6px; width: 100%; }
.insp-head .name:hover { border-color: var(--line-2); }
.insp-head .name:focus { border-color: var(--accent); outline: none; background: var(--panel-2); }
.insp-head .sub { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 6px; }
.pill { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 600; padding: 1px 8px 1px 6px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); color: var(--text-2); }
.pill .dot { width: 6px; height: 6px; box-shadow: none; }
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 35%, transparent); background: color-mix(in srgb, var(--ok) 10%, transparent); }
.pill.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 35%, transparent); background: color-mix(in srgb, var(--bad) 10%, transparent); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 35%, transparent); background: color-mix(in srgb, var(--warn) 10%, transparent); }
.insp-actions { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 14px 12px; border-bottom: 1px solid var(--line); }
.sect { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.sect h4 { margin: 0 0 8px; font-size: 11px; font-weight: 650; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.sect h4 .spacer { flex: 1; }
.sect p { margin: 0 0 8px; color: var(--text-2); }
.kv { display: grid; grid-template-columns: 96px 1fr; gap: 6px 10px; font-size: 12.5px; align-items: center; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-family: var(--mono); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.iftable { width: 100%; border-collapse: collapse; font-size: 12px; }
.iftable th { text-align: left; font-weight: 500; color: var(--muted); padding: 0 6px 4px 0; font-size: 11px; }
.iftable td { padding: 3px 6px 3px 0; border-top: 1px solid var(--line); vertical-align: middle; }
.iftable td.ifn { font-family: var(--mono); white-space: nowrap; }
.iftable td.peer { color: var(--text-2); font-size: 11.5px; max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.iftable .dot { display: inline-block; width: 6px; height: 6px; margin-right: 6px; vertical-align: 1px; box-shadow: none; }
.field {
  width: 100%; height: 26px; padding: 0 7px; border-radius: 6px; border: 1px solid var(--line-2);
  background: var(--panel-2); font: 12px var(--mono); outline: none;
}
.field:focus { border-color: var(--accent); background: var(--panel); }
.field.bad { border-color: var(--bad); }
.field::placeholder { color: var(--muted); opacity: .8; }
textarea.field.area { height: 140px; padding: 6px 7px; resize: vertical; line-height: 1.45; white-space: pre; }
select.field { font-family: var(--font); }
.row { display: flex; gap: 6px; align-items: center; }
.row > .field { flex: 1; min-width: 0; }
.routes { list-style: none; margin: 0 0 8px; padding: 0; font: 12px var(--mono); }
.routes li { display: flex; align-items: center; gap: 6px; padding: 3px 0; border-top: 1px solid var(--line); }
.routes li span { flex: 1; }
.empty-note { color: var(--muted); font-size: 12px; }
.tbl-mini { width: 100%; font: 11.5px var(--mono); border-collapse: collapse; }
.tbl-mini td { padding: 2px 0; border-top: 1px solid var(--line); }
.tbl-mini td:last-child { text-align: right; color: var(--text-2); }
.cable-head { display: flex; align-items: center; gap: 12px; padding: 14px; }
.cable-head svg { width: 48px; height: 28px; color: var(--text-2); }
.ends { display: grid; grid-template-columns: 1fr auto 1fr; gap: 8px; align-items: center; padding: 0 14px 12px; }
.end { padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-2); min-width: 0; }
.end b { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.end span { font: 11.5px var(--mono); color: var(--text-2); }
.ends .wire { width: 22px; height: 2px; background: var(--ok); border-radius: 2px; }
.ends .wire.down { background: repeating-linear-gradient(90deg, var(--bad) 0 4px, transparent 4px 7px); }
.overview .stat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.overview .stat div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; }
.overview .stat b { display: block; font-size: 18px; font-weight: 650; font-variant-numeric: tabular-nums; }
.overview .stat span { font-size: 11px; color: var(--muted); }
.steps { margin: 0; padding-left: 18px; color: var(--text-2); }
.steps li { margin-bottom: 6px; }
.shortcuts { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 12px; color: var(--text-2); }

/* ───────── dock ───────── */
#dock { background: var(--panel); border-top: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; position: relative; }
#dock-resize { position: absolute; top: -3px; left: 0; right: 0; height: 6px; cursor: ns-resize; z-index: 6; }
#dock-resize:hover, #dock-resize.drag { background: var(--accent); opacity: .5; }
.dock-tabs { display: flex; align-items: stretch; height: 33px; flex: none; border-bottom: 1px solid var(--line); padding: 0 6px; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.dtab { display: inline-flex; align-items: center; gap: 7px; padding: 0 10px; border: 0; background: none; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; font-size: 12.5px; }
.dtab:hover { color: var(--text); }
.dtab.on { color: var(--text); border-bottom-color: var(--accent); }
.dtab .n { font: 10.5px var(--mono); background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 0 6px; color: var(--text-2); }
.dtab .x { width: 16px; height: 16px; border-radius: 4px; display: grid; place-items: center; color: var(--muted); }
.dtab .x:hover { background: var(--hover); color: var(--text); }
.dtab .x i[data-i] { width: 11px; height: 11px; }
.dtab .art { width: 16px; height: 16px; }
.dtab .art svg { width: 100%; height: 100%; }
.dock-tabs .spacer { flex: 1; }
#dock-body { flex: 1; min-height: 0; display: flex; }
#app.dock-min #dock-body { display: none; }
.pane { flex: 1; min-width: 0; display: flex; flex-direction: column; min-height: 0; }
.pane-bar { display: flex; align-items: center; gap: 6px; padding: 6px 10px; border-bottom: 1px solid var(--line); flex: none; flex-wrap: wrap; }
.chip { height: 24px; padding: 0 9px 0 7px; border-radius: 999px; border: 1px solid var(--line-2); background: none; color: var(--text-2); font-size: 11.5px; display: inline-flex; align-items: center; gap: 6px; }
.chip::before { content: ""; width: 7px; height: 7px; border-radius: 2px; background: var(--c, var(--muted)); }
.chip.off { opacity: .45; }
.chip.off::before { background: transparent; box-shadow: inset 0 0 0 1px var(--c); }
.pane-bar .search { margin: 0; height: 26px; width: 200px; }

/* event table */
.tbl-wrap { flex: 1; overflow: auto; min-height: 0; }
table.ev { width: 100%; border-collapse: collapse; font-size: 12px; table-layout: fixed; }
table.ev th { position: sticky; top: 0; background: var(--panel); text-align: left; font-weight: 500; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--line); font-size: 11.5px; z-index: 1; }
table.ev td { padding: 4px 8px; border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
table.ev tr { cursor: pointer; }
table.ev tbody tr:hover { background: var(--hover); }
table.ev tr.sel { background: var(--accent-soft); }
table.ev td.n, table.ev td.t { font-family: var(--mono); color: var(--muted); font-variant-numeric: tabular-nums; }
table.ev tr.drop td.msg { color: var(--bad); }
table.ev tr.deliver td.msg { color: var(--ok); }
.badge { display: inline-block; min-width: 38px; text-align: center; font: 600 10px/16px var(--mono); padding: 0 5px; border-radius: 4px; color: #0b0e13; background: var(--c); }

/* capture */
.cap { flex: 1; display: grid; grid-template-columns: 200px 1fr; min-height: 0; }
.cap-sessions { border-right: 1px solid var(--line); overflow-y: auto; padding: 6px; }
.cap-sess { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; cursor: pointer; font-size: 12px; }
.cap-sess:hover { background: var(--hover); }
.cap-sess.on { background: var(--accent-soft); }
.cap-sess .rec { width: 8px; height: 8px; border-radius: 50%; background: var(--bad); animation: blink 1.2s infinite; flex: none; }
.cap-sess .rec.paused { animation: none; background: var(--muted); }
.cap-sess .n { margin-left: auto; font: 11px var(--mono); color: var(--muted); }
.cap-main { display: grid; grid-template-rows: minmax(90px, 38%) minmax(0, 1fr); min-height: 0; min-width: 0; }
.cap-lower { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); min-height: 0; }
.cap-tree { overflow: auto; padding: 6px 4px; font: 12px var(--mono); border-right: 1px solid var(--line); }
.cap-tree details { padding-left: 4px; }
.cap-tree summary { cursor: pointer; padding: 1px 4px; border-radius: 4px; white-space: nowrap; }
.cap-tree summary:hover, .cap-tree .fld:hover { background: var(--hover); }
.cap-tree .fld { padding: 1px 4px 1px 22px; white-space: nowrap; cursor: default; color: var(--text-2); border-radius: 4px; }
.cap-tree .fld b { font-weight: 400; color: var(--muted); }
pre.stream { white-space: pre-wrap; font-family: var(--mono); font-size: 12px; padding: 8px; margin: 0; word-break: break-word; }
.cap-hex { overflow: auto; padding: 6px 10px; font: 12px/1.55 var(--mono); white-space: pre; }
.cap-hex .o { color: var(--muted); margin-right: 14px; }
.cap-hex .b { padding: 0 1px; }
.cap-hex .a { margin-left: 14px; color: var(--text-2); }
.cap-hex .hl { background: var(--accent-soft); color: var(--accent); border-radius: 2px; }
table.ev tr.p-arp { background: color-mix(in srgb, var(--p-arp) 14%, transparent); }
table.ev tr.p-icmp { background: color-mix(in srgb, var(--p-icmp) 12%, transparent); }
table.ev tr.p-tcp { background: color-mix(in srgb, var(--p-tcp) 12%, transparent); }
table.ev tr.p-udp { background: color-mix(in srgb, var(--p-udp) 12%, transparent); }
table.ev tr.p-dhcp { background: color-mix(in srgb, var(--p-dhcp) 16%, transparent); }
table.ev tr.p-dns { background: color-mix(in srgb, var(--p-dns) 14%, transparent); }
table.ev tr.p-stp { background: color-mix(in srgb, var(--p-stp) 14%, transparent); }
table.ev tr.p-vlan { background: color-mix(in srgb, var(--p-vlan) 12%, transparent); }
table.ev tr.p-route { background: color-mix(in srgb, var(--p-route) 14%, transparent); }
table.ev tr.p-arp td.proto { color: var(--p-arp); }
table.ev tr.p-icmp td.proto { color: var(--p-icmp); }
table.ev tr.p-tcp td.proto { color: var(--p-tcp); }
table.ev tr.p-udp td.proto { color: var(--p-udp); }
table.ev tr.p-dhcp td.proto { color: var(--p-dhcp); }
table.ev tr.p-dns td.proto { color: var(--p-dns); }
table.ev tr.p-stp td.proto { color: var(--p-stp); }
table.ev tr.p-vlan td.proto { color: var(--p-vlan); }
table.ev tr.p-route td.proto { color: var(--p-route); }
table.ev tr.sel { background: var(--accent-soft); }
.cap-filter { border-top: 0; padding-top: 0; }
.cap-craft { border-bottom: 1px solid var(--line); font-size: 12px; }
.cap-craft summary { cursor: pointer; padding: 4px 10px; color: var(--text-2); }
.kv dd .field { display: inline-block; width: auto; min-width: 72px; }
.pane-empty { flex: 1; display: grid; place-items: center; color: var(--muted); text-align: center; padding: 20px; }
.pane-empty b { color: var(--text-2); display: block; margin-bottom: 4px; font-weight: 600; }

/* console */
.term { flex: 1; display: flex; flex-direction: column; min-height: 0; background: #07090d; color: #d7dde8; font: 12.5px/1.45 var(--mono); }
:root[data-theme="light"] .term { background: #0f141c; }
.term-out { flex: 1; overflow-y: auto; padding: 8px 12px; white-space: pre-wrap; word-break: break-all; outline: none; cursor: text; }
.term-out .echo { color: #e8edf5; }
.term-out .dim { color: #7b8698; }
.term-out .err { color: #ff7a7a; }
.term-out .ok { color: #5fe39a; }
.term-out .warn { color: #f2c14b; }
.term-in { display: flex; align-items: center; padding: 0 12px 8px; }
.term-in .pr { color: #6fb3ff; white-space: pre; }
.term-in input { flex: 1; border: 0; background: none; outline: none; color: #e8edf5; font: inherit; caret-color: #6fb3ff; }
.term-out .cursor { display: inline-block; width: .6em; background: #6fb3ff; animation: blink 1s steps(1) infinite; }
.term-bar { display: flex; align-items: center; gap: 8px; padding: 4px 10px; background: #0d1118; border-bottom: 1px solid #1a202b; color: #8b95a7; font-size: 11.5px; }
.term-bar .btn { background: #161c26; border-color: #252d3a; color: #c9d1dd; }
.term-bar .btn:hover { background: #1d2430; }

/* ───────── status bar ───────── */
#status { display: flex; align-items: center; gap: 16px; padding: 0 12px; background: var(--panel); border-top: 1px solid var(--line); font: 11.5px var(--mono); color: var(--text-2); }
#st-mode::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; background: var(--ok); vertical-align: 0; }
#st-mode.paused::before { background: var(--warn); }

/* ───────── menus ───────── */
.menu {
  position: fixed; z-index: 100; min-width: 220px; padding: 5px; border-radius: 10px;
  background: var(--raise); border: 1px solid var(--line-2); box-shadow: var(--shadow);
  font-size: 13px; animation: pop .1s ease-out;
}
@keyframes pop { from { opacity: 0; transform: translateY(-3px) scale(.98); } }
.menu .mi { display: flex; align-items: center; gap: 9px; width: 100%; padding: 6px 9px; border: 0; background: none; border-radius: 6px; text-align: left; color: var(--text); }
.menu .mi:hover:not(:disabled), .menu .mi.focus { background: var(--accent); color: var(--accent-ink); }
.menu .mi:hover kbd, .menu .mi.focus kbd { color: inherit; border-color: currentColor; opacity: .8; }
.menu .mi:disabled { opacity: .4; cursor: default; }
.menu .mi i[data-i] { width: 15px; height: 15px; color: var(--text-2); }
.menu .mi:hover i[data-i] { color: inherit; }
.menu .mi span { flex: 1; }
.menu .mi.danger { color: var(--bad); }
.menu .mi.danger:hover { background: var(--bad); color: #fff; }
.menu .mi .sub { font: 11px var(--mono); color: var(--muted); }
.menu .mi:hover .sub { color: inherit; opacity: .8; }
.menu .mh { padding: 6px 9px 3px; font-size: 11px; color: var(--muted); font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.menu hr { border: 0; border-top: 1px solid var(--line); margin: 4px 2px; }

/* ───────── modal ───────── */
.modal-bg { position: fixed; inset: 0; background: rgba(5, 8, 12, .55); backdrop-filter: blur(2px); z-index: 200; display: grid; place-items: center; animation: fade .12s; }
@keyframes fade { from { opacity: 0; } }
.modal { width: min(560px, calc(100vw - 32px)); max-height: calc(100vh - 64px); overflow: auto; background: var(--panel); border: 1px solid var(--line-2); border-radius: 14px; box-shadow: var(--shadow); animation: pop .14s ease-out; }
.modal header { display: flex; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); font-weight: 650; font-size: 14px; }
.modal header .spacer { flex: 1; }
.modal .mbody { padding: 14px 16px; }
.modal footer { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); }
.imglist { list-style: none; padding: 0; margin: 0 0 12px; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.imglist li { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 9px 12px; border-top: 1px solid var(--line); font-size: 12.5px; }
.imglist li:first-child { border-top: 0; }
.imglist .nm { font-family: var(--mono); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drop-zone { border: 1.5px dashed var(--line-2); border-radius: 10px; padding: 18px; text-align: center; color: var(--text-2); cursor: pointer; }
.drop-zone:hover, .drop-zone.over { border-color: var(--accent); background: var(--accent-soft); }
.callout { display: flex; gap: 10px; padding: 10px 12px; border-radius: 8px; background: var(--panel-2); border: 1px solid var(--line); color: var(--text-2); font-size: 12.5px; margin-bottom: 12px; }
.callout i[data-i] { color: var(--accent); margin-top: 1px; }

/* ───────── port picker ───────── */
.menu .port { font-family: var(--mono); font-size: 12.5px; }
.menu .port .peer { font-family: var(--font); font-size: 11.5px; color: var(--muted); }
.menu .port:hover .peer { color: inherit; opacity: .8; }

/* ───────── toasts ───────── */
#toasts { position: fixed; right: 16px; bottom: 36px; z-index: 300; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
.toast { pointer-events: auto; max-width: 380px; padding: 9px 12px; border-radius: 9px; background: var(--raise); border: 1px solid var(--line-2); box-shadow: var(--shadow); font-size: 12.5px; animation: pop .15s ease-out; display: flex; gap: 8px; align-items: flex-start; }
.toast.err { border-color: color-mix(in srgb, var(--bad) 50%, transparent); }
.toast.err::before { content: "●"; color: var(--bad); }
.toast.ok::before { content: "●"; color: var(--ok); }

/* ───────── responsive ───────── */
@media (max-width: 1180px) {
  #app { grid-template-columns: 200px minmax(0, 1fr) 280px; }
  .labname, .speed { display: none; }
  .tool span, .tool kbd { display: none; }
}
@media (max-width: 860px) {
  #app {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: 44px 92px minmax(320px, 1fr) var(--dock-h) auto 24px;
    grid-template-areas: "top" "lib" "stage" "dock" "side" "status";
    height: auto; min-height: 100vh;
  }
  #topbar { overflow-x: auto; }
  #menubar, #power-group { display: none; }
  #library { border-right: 0; border-bottom: 1px solid var(--line); }
  #library .panel-head, #library .search, .lib-foot, .lib-group { display: none; }
  #lib-list { display: flex; overflow-x: auto; overflow-y: hidden; padding: 6px; gap: 4px; }
  .lib-item { grid-template-columns: 1fr; justify-items: center; text-align: center; min-width: 84px; }
  .lib-item small { display: none; }
  #side { border-left: 0; border-top: 1px solid var(--line); }
  #minimap, #hint { display: none; }
  .cap { grid-template-columns: 1fr; }
  .cap-sessions { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* shape tools + style editor */
.icon-btn.tool-shape.on { color: var(--accent); background: var(--accent-soft); }
.swatches { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch { width: 22px; height: 22px; border-radius: 6px; border: 2px solid transparent; background: var(--c); cursor: pointer; padding: 0; }
.swatch.on { border-color: var(--text); box-shadow: 0 0 0 2px var(--panel) inset; }
.seg.sm button { padding: 2px 9px; font-size: 12px; }
.check { display: inline-flex; align-items: center; gap: 6px; font-size: 12.5px; color: var(--text-2); cursor: pointer; }
.check input { accent-color: var(--accent); }

/* VM console */
.vm-term .vm-body { flex: 1; min-height: 0; display: flex; }
.vm-serial { flex: 1; min-width: 0; padding: 4px 0 0 8px; }
.vm-serial .xterm { height: 100%; }
.vm-screen { flex: 1; min-width: 0; overflow: auto; display: flex; justify-content: center; align-items: flex-start; padding: 8px; background: #000; }
.vga { outline: none; border-radius: 4px; box-shadow: 0 0 0 1px #1a202b; }
.vga:focus { box-shadow: 0 0 0 2px #6fb3ff; }
.vga-text { white-space: pre; font: 14px/14px ui-monospace, "DejaVu Sans Mono", Consolas, monospace; color: #c8c8c8; }
.vga-gfx { display: block; image-rendering: pixelated; }
.term-bar .seg.sm { background: #10151d; border-color: #1f2632; }
.term-bar .seg.sm button { color: #8b95a7; }
.term-bar .seg.sm button.on { background: #1d2430; color: #e8edf5; }
.term-bar .vm-title { margin-left: 4px; }

/* ───────── topology template marketplace ───────── */
.pill.accent { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.pill.violet { color: #b49bff; border-color: color-mix(in srgb, #a58bff 38%, transparent); background: color-mix(in srgb, #a58bff 13%, transparent); }
.pill.teal   { color: #2fd0c0; border-color: color-mix(in srgb, #2fd0c0 38%, transparent); background: color-mix(in srgb, #2fd0c0 12%, transparent); }

.modal.market { width: min(1020px, calc(100vw - 32px)); max-height: calc(100vh - 48px); display: flex; flex-direction: column; overflow: hidden; }
.modal.market .mbody { flex: 1; overflow-y: auto; padding: 14px 18px 18px; display: flex; flex-direction: column; gap: 14px; }
.market-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.market-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.market-tab {
  height: 28px; padding: 0 11px; border-radius: 999px; border: 1px solid var(--line-2);
  background: var(--panel-2); color: var(--text-2); font-size: 12px; font-weight: 500;
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
}
.market-tab:hover { color: var(--text); border-color: var(--muted); }
.market-tab.on { background: var(--accent-soft); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 50%, transparent); font-weight: 600; }
.market-tab .cnt { font: 10.5px var(--mono); opacity: .75; }
.market-bar .search { margin: 0; width: 230px; flex: 0 1 240px; height: 28px; }

.market-save-box {
  background: var(--panel-2); border: 1px solid var(--line-2); border-radius: 10px;
  padding: 12px 14px; display: grid; gap: 10px;
}
.market-save-box h4 { margin: 0; font-size: 12.5px; font-weight: 650; display: flex; align-items: center; justify-content: space-between; }
.market-save-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 8px; }
@media (max-width: 720px) { .market-save-grid { grid-template-columns: 1fr; } }

.market-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(292px, 1fr)); gap: 14px; }
.tpl-card {
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  display: flex; flex-direction: column; overflow: hidden; transition: border-color .14s, transform .14s, box-shadow .14s;
}
.tpl-card:hover { border-color: var(--line-2); box-shadow: 0 6px 20px rgba(0, 0, 0, .22); }
.tpl-thumb {
  position: relative; height: 142px; background: var(--bg);
  border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: center; overflow: hidden;
  background-image: radial-gradient(color-mix(in srgb, var(--muted) 22%, transparent) 1px, transparent 1px);
  background-size: 14px 14px;
}
.tpl-thumb svg { width: 100%; height: 100%; display: block; }
.tpl-thumb .tpl-cat {
  position: absolute; top: 8px; left: 8px; font: 600 10.5px var(--mono);
  padding: 2px 7px; border-radius: 5px; background: color-mix(in srgb, var(--panel) 85%, transparent);
  border: 1px solid var(--line); color: var(--text-2); backdrop-filter: blur(4px);
}
.tpl-thumb .tpl-lvl { position: absolute; top: 8px; right: 8px; }
.tpl- thumb-stats { position: absolute; bottom: 7px; right: 8px; }
.tpl-stats {
  position: absolute; bottom: 7px; right: 8px; font: 11px var(--mono);
  padding: 1px 7px; border-radius: 5px; background: color-mix(in srgb, var(--panel) 86%, transparent);
  border: 1px solid var(--line); color: var(--text-2);
}
.tpl-body { padding: 12px 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.tpl-title { font-size: 14px; font-weight: 650; color: var(--text); margin: 0; line-height: 1.3; }
.tpl-desc { font-size: 12px; color: var(--text-2); margin: 0; line-height: 1.45; }
.tpl-tags { display: flex; flex-wrap: wrap; gap: 5px; }
.tpl-tag {
  font: 11px var(--mono); padding: 1px 6px; border-radius: 4px;
  background: var(--panel); border: 1px solid var(--line); color: var(--muted);
}
.tpl-obj {
  margin-top: 2px; border-top: 1px solid var(--line); padding-top: 8px;
  font-size: 11.5px; color: var(--text-2);
}
.tpl-obj summary { cursor: pointer; font-weight: 600; color: var(--text-2); user-select: none; }
.tpl-obj summary:hover { color: var(--text); }
.tpl-obj ol { margin: 6px 0 0; padding-left: 16px; display: grid; gap: 4px; line-height: 1.4; }
.tpl-foot {
  padding: 10px 14px; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px; background: color-mix(in srgb, var(--panel) 55%, transparent);
}
.tpl-foot .spacer { flex: 1; }