/* IoT Island - sand, sea and three zone colours: trusted blue, smart coral, guest violet. */
:root {
  --bg: #f6f1e6; --bg2: #efe7d6; --card: #fffdf8; --ink: #182231; --muted: #5d6676; --line: #ddd3c0; --line2: #cfc3ab;
  --sea: #0f3b4f; --sea2: #165a73; --foam: #d7efe9; --accent: #0e8a7a; --accent-ink: #ffffff;
  --trusted: #2c5fd4; --trusted-bg: #e6edfc; --smart: #d8652a; --smart-bg: #fcece2; --guest: #7d4fc4; --guest-bg: #f0e9fb;
  --good: #23885a; --good-bg: #e2f3ea; --ok: #5c8f3a; --ok-bg: #edf5e3; --warn: #b7791f; --warn-bg: #fbf0d9; --bad: #c53b3b; --bad-bg: #fbe4e2; --unk: #6b7280; --unk-bg: #eceae4;
  --allow: #1f9a62; --block: #cf3d3d; --open: #d39a1d; --same: #9aa2ae;
  --shadow: 0 1px 2px rgba(24, 34, 49, .06), 0 6px 18px rgba(24, 34, 49, .06);
  --font: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #0d1620; --bg2: #121e2a; --card: #15212d; --ink: #e6edf3; --muted: #9aa8b6; --line: #253445; --line2: #30445a;
  --sea: #08202c; --sea2: #0f3646; --foam: #10343a; --accent: #2bb8a3; --accent-ink: #062019;
  --trusted: #6f97f2; --trusted-bg: #18264a; --smart: #f08a52; --smart-bg: #3a2216; --guest: #b08ce8; --guest-bg: #2a1f42;
  --good: #4cc48a; --good-bg: #123526; --ok: #8fc46a; --ok-bg: #1d3018; --warn: #e3ac4a; --warn-bg: #3a2c10; --bad: #f07171; --bad-bg: #3d1717; --unk: #9aa3ad; --unk-bg: #222c37;
  --allow: #45c98a; --block: #f06a6a; --open: #e8b53c; --same: #5d6b7a;
  --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 6px 18px rgba(0, 0, 0, .25);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--font); overflow-x: hidden; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); font-size: .88em; }
code { background: var(--bg2); padding: 1px 5px; border-radius: 5px; overflow-wrap: anywhere; }
.hidden { display: none !important; }
.small { font-size: 13px; }
.muted { color: var(--muted); }
.warn { color: var(--warn); }

/* Header: a strip of sea with a wave line underneath. */
.bar { display: flex; align-items: center; gap: 14px; padding: 10px 18px; background: var(--sea); color: #e9f6f4; position: relative; flex-wrap: wrap; }
.bar::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 6px; background: radial-gradient(circle at 6px -2px, var(--sea) 6px, transparent 6.5px) 0 0 / 14px 6px repeat-x; }
.bar .back { color: #a8d8cf; text-decoration: none; font-size: 13px; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 17px; letter-spacing: .2px; }
.logo { width: 28px; height: 28px; }
.lg-sea { fill: #1d6f86; } .lg-land { fill: none; stroke: #f2d48f; stroke-width: 2.4; stroke-linecap: round; }
.lg-wave { fill: none; stroke: #7fe0cf; stroke-width: 1.8; stroke-linecap: round; }
.session { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line2); background: var(--card); color: var(--ink); border-radius: 999px; padding: 6px 13px; font: inherit; font-size: 13px; cursor: pointer; text-decoration: none; line-height: 1.2; }
.bar .pill { background: transparent; color: #e9f6f4; border-color: rgba(233, 246, 244, .35); }
.bar .pill.solid { background: #7fe0cf; color: #08303a; border-color: #7fe0cf; }
.pill:hover { border-color: var(--accent); }
.pill.solid { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.pill.ghost { cursor: default; }
.pill.big { padding: 10px 20px; font-size: 15px; }
.pill.tiny { padding: 2px 9px; font-size: 12px; vertical-align: middle; }
.pill:disabled { opacity: .5; cursor: not-allowed; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 22px 16px 40px; }
.hero { padding: 14px 0 10px; }
.kicker { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; color: var(--accent); margin: 0 0 4px; font-weight: 600; }
.hero h1 { font-size: clamp(26px, 4.4vw, 40px); line-height: 1.12; margin: 0 0 10px; letter-spacing: -.01em; }
.hl { background: linear-gradient(transparent 62%, var(--foam) 62%); padding: 0 2px; }
.lede { max-width: 760px; margin: 0 0 12px; color: var(--muted); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chips-label { font-size: 13px; color: var(--muted); }
.chip { border: 1px dashed var(--line2); background: transparent; color: var(--ink); border-radius: 999px; padding: 6px 12px; font: inherit; font-size: 13px; cursor: pointer; }
.chip:hover { border-color: var(--accent); }
.chip.on { border-style: solid; border-color: var(--accent); background: var(--foam); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px 18px; margin: 14px 0; box-shadow: var(--shadow); min-width: 0; }
.card h2 { font-size: 18px; margin: 0 0 8px; display: flex; align-items: center; gap: 8px; }
.card h3 { font-size: 15px; margin: 16px 0 6px; }
.stepno { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--sea2); color: #fff; font-size: 13px; flex: none; }
.two { display: grid; grid-template-columns: 1.15fr 1fr; gap: 14px; }
.two > .card { margin: 0; }
.drop { border: 1px dashed var(--line2); border-radius: 10px; padding: 8px; }
.drop.over { border-color: var(--accent); background: var(--foam); }
textarea, input[type=text], select { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line2); border-radius: 8px; padding: 8px 10px; }
textarea { font-family: var(--mono); font-size: 13px; resize: vertical; }
textarea:focus, input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.drop-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.filebtn { font-size: 13px; color: var(--accent); cursor: pointer; text-decoration: underline; }
.filebtn input { display: none; }
.f { display: block; font-size: 13px; color: var(--muted); margin: 8px 0; }
.f input, .f textarea, .f select { margin-top: 4px; }
.opt { font-size: 12px; opacity: .8; }

/* The router heat grid: each setting a cell coloured by its rating. */
.heat { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 10px 0; }
.hcell { position: relative; border-radius: 10px; padding: 8px 10px 8px; border: 1px solid var(--line); background: var(--unk-bg); border-left: 5px solid var(--unk); min-width: 0; }
.hcell .hlab { display: block; font-size: 12px; font-weight: 600; margin-bottom: 4px; padding-right: 56px; }
.hcell select { padding: 5px 6px; font-size: 13px; background: var(--card); }
.hstate { position: absolute; top: 7px; right: 8px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; color: var(--unk); }
.hcell.s-good { background: var(--good-bg); border-left-color: var(--good); } .hcell.s-good .hstate { color: var(--good); }
.hcell.s-ok { background: var(--ok-bg); border-left-color: var(--ok); } .hcell.s-ok .hstate { color: var(--ok); }
.hcell.s-warn { background: var(--warn-bg); border-left-color: var(--warn); } .hcell.s-warn .hstate { color: var(--warn); }
.hcell.s-bad { background: var(--bad-bg); border-left-color: var(--bad); } .hcell.s-bad .hstate { color: var(--bad); }

.notes { list-style: none; padding: 0; margin: 8px 0; }
.notes li { padding: 6px 10px; border-radius: 8px; margin: 4px 0; font-size: 13px; background: var(--bg2); }
.notes li.warn { background: var(--warn-bg); color: var(--ink); border-left: 3px solid var(--warn); }
.notes li.fix { background: var(--bad-bg); border-left: 3px solid var(--bad); }
.notes li.info { border-left: 3px solid var(--unk); }
.notes li.ok { background: var(--good-bg); border-left: 3px solid var(--good); }

/* The map */
.disp-top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.disp-top h2 { margin: 0; }
.tabs { display: inline-flex; border: 1px solid var(--line2); border-radius: 999px; padding: 2px; background: var(--bg); }
.tab { border: 0; background: transparent; color: var(--muted); font: inherit; font-size: 13px; padding: 5px 14px; border-radius: 999px; cursor: pointer; }
.tab.on { background: var(--sea2); color: #fff; }
.verdict-tag { margin-left: auto; font-size: 13px; font-weight: 600; padding: 4px 11px; border-radius: 999px; background: var(--bg2); }
.verdict-tag:empty { display: none; }
.v-sound { background: var(--good-bg); color: var(--good); } .v-split { background: var(--warn-bg); color: var(--warn); } .v-lockdown { background: var(--bad-bg); color: var(--bad); }
.mapbox { width: 100%; overflow: hidden; border-radius: 12px; background: repeating-linear-gradient(0deg, transparent 0 22px, rgba(15, 59, 79, .045) 22px 23px), linear-gradient(var(--foam), var(--bg)); padding: 6px 0; margin-top: 6px; min-height: 120px; }
:root[data-theme="dark"] .mapbox { background: repeating-linear-gradient(0deg, transparent 0 22px, rgba(127, 224, 207, .05) 22px 23px), linear-gradient(#0f2b33, var(--bg)); }
.map-empty { padding: 30px 16px; text-align: center; color: var(--muted); }
.netmap { display: block; max-width: 100%; height: auto; font-family: var(--font); }
.netmap .cloud { fill: var(--card); stroke: var(--line2); stroke-width: 1.5; }
.netmap .cloud-t { font-size: 12px; fill: var(--muted); font-weight: 600; }
.netmap .trunk { fill: none; stroke: var(--sea2); stroke-width: 2.2; opacity: .55; }
.netmap .router { fill: var(--card); stroke-width: 2.2; }
.netmap .router.r-good { stroke: var(--good); } .netmap .router.r-warn { stroke: var(--warn); } .netmap .router.r-bad { stroke: var(--bad); }
.netmap .router-t { font-size: 13px; font-weight: 700; fill: var(--ink); }
.netmap .router-s { font-size: 10.5px; fill: var(--muted); }
.netmap .shore { fill: var(--card); fill-opacity: .82; stroke: var(--line2); stroke-width: 1.5; }
.netmap .island.z-trusted .shore { fill: var(--trusted-bg); stroke: var(--trusted); }
.netmap .island.z-smart .shore { fill: var(--smart-bg); stroke: var(--smart); }
.netmap .island.z-guest .shore { fill: var(--guest-bg); stroke: var(--guest); }
.netmap .island.mixed .shore { stroke: var(--bad); stroke-dasharray: 7 5; stroke-width: 2; }
.netmap .isl-t { font-size: 13px; font-weight: 700; fill: var(--ink); }
.netmap .isl-tag { fill: var(--bg2); } .netmap .isl-tag.bad { fill: var(--bad); }
.netmap .isl-tag-t { font-size: 11px; font-weight: 700; fill: var(--muted); }
.netmap .island.mixed .isl-tag-t { fill: #fff; }
.netmap .isl-empty { font-size: 12px; fill: var(--muted); font-style: italic; }
.netmap .nbox { fill: var(--card); stroke: var(--line2); stroke-width: 1; }
.netmap .node:focus { outline: none; } .netmap .node:focus .nbox, .netmap .node:hover .nbox { stroke: var(--ink); stroke-width: 1.6; }
.netmap .node.z-trusted .nstripe { fill: var(--trusted); } .netmap .node.z-smart .nstripe { fill: var(--smart); } .netmap .node.z-guest .nstripe { fill: var(--guest); }
.netmap .node.flash .nbox { stroke: var(--accent); stroke-width: 3; }
.netmap .n-t { font-size: 12px; font-weight: 600; fill: var(--ink); }
.netmap .n-k { font-size: 10px; fill: var(--muted); }
.netmap .lk { fill: none; stroke-width: 2; }
.netmap .lk-same { stroke: var(--same); stroke-width: 1.4; opacity: .8; }
.netmap .lk-open { stroke: var(--open); stroke-dasharray: 2 4; stroke-linecap: round; stroke-width: 2.4; }
.netmap .lk-allow { stroke: var(--allow); stroke-width: 2.4; }
.netmap .lk-block { stroke: var(--block); stroke-dasharray: 6 4; stroke-width: 2.2; }
.netmap .lk-x { stroke: var(--block); stroke-width: 2.6; stroke-linecap: round; }
.netmap .mk-allow { fill: var(--allow); } .netmap .mk-open { fill: var(--open); }
.legend { list-style: none; padding: 0; margin: 10px 0 0; display: flex; flex-wrap: wrap; gap: 6px 14px; color: var(--muted); }
.legend li { display: inline-flex; align-items: center; gap: 6px; }
.legend .sw { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }
.sw.z-trusted { background: var(--trusted); } .sw.z-smart { background: var(--smart); } .sw.z-guest { background: var(--guest); }
.legend .ln { width: 24px; height: 0; border-top: 2px solid; display: inline-block; }
.ln.lk-same { border-color: var(--same); } .ln.lk-open { border-color: var(--open); border-top-style: dotted; border-top-width: 3px; } .ln.lk-allow { border-color: var(--allow); } .ln.lk-block { border-color: var(--block); border-top-style: dashed; }
.mapfoot { display: grid; grid-template-columns: 220px 1fr; gap: 16px; margin-top: 12px; }
.tally { display: flex; flex-direction: column; gap: 6px; }
.tally .trow { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.tally .tbar { flex: 1; height: 10px; border-radius: 5px; background: var(--bg2); overflow: hidden; }
.tally .tfill { height: 100%; border-radius: 5px; }
.tally .tfill.z-trusted { background: var(--trusted); } .tally .tfill.z-smart { background: var(--smart); } .tally .tfill.z-guest { background: var(--guest); }
.tally .tlab { width: 96px; flex: none; } .tally .tnum { width: 22px; text-align: right; font-weight: 700; flex: none; }
.flags h3 { margin-top: 0; }
.readflags { list-style: none; padding: 0; margin: 0; }
.readflags li { font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--line); }
.readflags li:last-child { border-bottom: 0; }
.readflags .lv { display: inline-block; font-size: 10.5px; text-transform: uppercase; font-weight: 700; letter-spacing: .05em; padding: 1px 6px; border-radius: 4px; margin-right: 4px; }
.readflags .lv-fix .lv { background: var(--bad-bg); color: var(--bad); }
.readflags .lv-info .lv { background: var(--unk-bg); color: var(--unk); }
.readflags li.ok { color: var(--good); } .readflags li.none { color: var(--muted); }
.rules { margin-top: 10px; font-size: 13px; color: var(--muted); }
.rules summary { cursor: pointer; color: var(--ink); }
.rules ul { margin: 6px 0 0; padding-left: 18px; }

/* Ask + progress */
.gate { margin: 8px 0; padding: 8px 12px; border-radius: 8px; background: var(--bg2); font-size: 13px; }
.gate .pill { margin-left: 4px; }
.runrow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.ptitle { font-weight: 600; margin: 0 0 6px; }
.steps { list-style: none; padding: 0; margin: 0 0 6px; }
.step { font-size: 13px; color: var(--muted); padding: 2px 0; }
.step.done { color: var(--good); } .step.active { color: var(--ink); font-weight: 600; }
.step-ic { display: inline-block; width: 14px; font-family: var(--mono); }
.raw { white-space: pre-wrap; word-break: break-word; font-size: 12px; background: var(--bg2); padding: 10px; border-radius: 8px; max-height: 360px; overflow: auto; }

/* Result */
.rhead { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rhead h2 { margin: 0; }
.stamp { text-transform: uppercase; font-weight: 800; letter-spacing: .08em; font-size: 13px; padding: 5px 12px; border-radius: 6px; border: 2px solid currentColor; transform: rotate(-2deg); }
.stamp.v-sound { color: var(--good); background: var(--good-bg); } .stamp.v-split { color: var(--warn); background: var(--warn-bg); } .stamp.v-lockdown { color: var(--bad); background: var(--bad-bg); }
.summary { font-size: 15.5px; }
.zonecols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.zcol { border-radius: 10px; padding: 8px 10px; border-top: 4px solid; background: var(--bg2); min-width: 0; }
.zcol.z-trusted { border-color: var(--trusted); background: var(--trusted-bg); } .zcol.z-smart { border-color: var(--smart); background: var(--smart-bg); } .zcol.z-guest { border-color: var(--guest); background: var(--guest-bg); }
.zcol h4 { margin: 0 0 6px; font-size: 14px; }
.zcol ul { list-style: none; padding: 0; margin: 0; }
.zcol li { font-size: 13px; padding: 4px 0; border-bottom: 1px dashed var(--line2); overflow-wrap: anywhere; }
.zcol li:last-child { border-bottom: 0; }
.zcol li.skipped { opacity: .6; text-decoration: line-through; }
.zcol .moved { font-size: 11px; color: var(--warn); font-weight: 600; }
.cite { background: none; border: 0; padding: 0; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; text-decoration: underline dotted; text-align: left; }
.said { font-family: var(--mono); font-size: 11.5px; color: var(--muted); margin: 2px 0 0; overflow-wrap: anywhere; }
.said.unq { color: var(--warn); }
.xlinks, .schanges { list-style: none; padding: 0; margin: 0; }
.xlinks li, .schanges li { padding: 8px 10px; border: 1px solid var(--line); border-radius: 10px; margin: 6px 0; overflow-wrap: anywhere; }
.xlinks li p, .schanges li p { margin: 4px 0 0; font-size: 13.5px; }
.dstamp { display: inline-block; font-size: 11px; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; padding: 2px 8px; border-radius: 4px; margin-right: 6px; }
.dstamp.d-allow { background: var(--good-bg); color: var(--allow); } .dstamp.d-block { background: var(--bad-bg); color: var(--block); } .dstamp.d-none { background: var(--unk-bg); color: var(--unk); }
.sstate { display: inline-block; font-size: 11px; font-weight: 700; padding: 1px 7px; border-radius: 4px; margin-right: 6px; text-transform: uppercase; }
.sstate.s-bad { background: var(--bad-bg); color: var(--bad); } .sstate.s-warn { background: var(--warn-bg); color: var(--warn); } .sstate.s-good, .sstate.s-ok { background: var(--good-bg); color: var(--good); } .sstate.s-unknown, .sstate.s- { background: var(--unk-bg); color: var(--unk); }
li.none { color: var(--muted); font-style: italic; border: 0 !important; }
.twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.checklist { padding-left: 20px; margin: 0; } .checklist li { margin: 4px 0; font-size: 14px; }
.checklist label { cursor: pointer; }
.lines-plain { padding-left: 18px; margin: 0; font-size: 14px; }
.recon h3 { margin-top: 18px; }
.safety { border-left: 3px solid var(--warn); background: var(--bg2); border-radius: 8px; padding: 2px 12px 10px; margin: 14px 0 4px; }
.safety h3 { margin: 10px 0 6px; }

.tools { display: flex; gap: 8px; flex-wrap: wrap; }
.hist { list-style: none; padding: 0; margin: 10px 0 0; }
.hrow { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.hinfo { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.hinfo b { overflow-wrap: anywhere; }

.foot { max-width: 1120px; margin: 0 auto; padding: 10px 16px 40px; font-size: 13px; color: var(--muted); }
.toasts { position: fixed; bottom: 16px; right: 16px; left: 16px; display: flex; flex-direction: column; align-items: flex-end; gap: 8px; pointer-events: none; z-index: 20; }
.toast { pointer-events: auto; max-width: 420px; background: var(--sea); color: #e9f6f4; padding: 10px 14px; border-radius: 10px; font-size: 13px; box-shadow: var(--shadow); transition: opacity .5s; }
.toast.err { background: #7a2323; } .toast a { color: #7fe0cf; }
.toast.gone { opacity: 0; }

/* Docs pages */
.doc { max-width: 900px; margin: 0 auto; padding: 24px 16px 48px; }
.doc h1 { font-size: 2rem; line-height: 1.2; }
.doc h2 { font-size: 1.35rem; margin-top: 32px; display: block; }
.doc h3 { font-size: 1.05rem; margin-top: 22px; display: block; }
.doc pre { background: var(--bg2); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; font: .8rem/1.45 var(--mono); max-width: 100%; }
.doc pre code { background: none; border: none; padding: 0; white-space: pre; }
.doc table { border-collapse: collapse; width: 100%; font-size: .9rem; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc td code { white-space: normal; }
.codegroup .tabs { display: flex; gap: 4px; flex-wrap: wrap; margin: 12px 0 0; border: 0; padding: 0; background: none; border-radius: 0; }
.codegroup .tab { font-size: .8rem; padding: 4px 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); border-radius: 6px 6px 0 0; }
.codegroup .tab.active { background: var(--sea2); color: #fff; border-color: var(--sea2); }
.codegroup pre { margin-top: 0; border-top-left-radius: 0; }
.statebox { border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; background: var(--card); }
.tokenrow { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.tokenbox { font-family: var(--mono); font-size: 13px; background: var(--bg2); padding: 8px 12px; border-radius: 8px; overflow-wrap: anywhere; flex: 1; }

@media (max-width: 860px) {
  .two { grid-template-columns: 1fr; }
  .mapfoot { grid-template-columns: 1fr; }
  .twocol { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .zonecols { grid-template-columns: 1fr; }
  .heat { grid-template-columns: 1fr; }
  .card { padding: 14px 14px; }
  .verdict-tag { margin-left: 0; }
  .bar .back { display: none; }
}