:root {
  --bg: #0b0d10;
  --panel: rgba(12, 14, 18, 0.86);
  --line: rgba(255, 255, 255, 0.09);
  --text: #e9e6df;
  --muted: #8d8a83;
  --amber: #ff8a1f;
  --amber-soft: rgba(255, 138, 31, 0.14);
  --good: #6fd08c;
  --bad: #ff5b4a;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --display: 'Chakra Petch', var(--sans);
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font: 14px/1.45 var(--sans); overflow: hidden; }
canvas#view { position: fixed; inset: 0; width: 100%; height: 100%; display: block; }
.hidden { display: none !important; }
button, select, input, textarea { font: inherit; color: inherit; }

/* ---------- OSD ---------- */
.osd { position: fixed; inset: 0; pointer-events: none; font: 600 clamp(14px, 1.55vw, 22px)/1 var(--mono); color: #fff;
  text-shadow: 0 0 2px #000, 0 0 2px #000, 1px 1px 0 #000, -1px -1px 0 #000; letter-spacing: 0.04em; }
.osd-top { position: absolute; top: 4.5%; left: 0; right: 0; display: flex; justify-content: center; gap: 2.5em; }
.osd-left, .osd-right { position: absolute; top: 50%; transform: translateY(-50%); }
.osd-left { left: 9%; } .osd-right { right: 9%; }
.osd-bottom { position: absolute; bottom: 5%; left: 7%; right: 7%; display: flex; justify-content: space-between; }
.osd-cross { position: absolute; left: 50%; top: 50%; width: 46px; height: 18px; transform: translate(-50%, -50%); }
.osd-cross::before, .osd-cross::after { content: ''; position: absolute; top: 8px; width: 16px; height: 2px; background: #fff; box-shadow: 0 0 2px #000; }
.osd-cross::before { left: 0; } .osd-cross::after { right: 0; }
.osd-cross span { position: absolute; left: 21px; top: 6px; width: 4px; height: 6px; background: #fff; box-shadow: 0 0 2px #000; }
.osd-status { position: absolute; top: 62%; left: 0; right: 0; text-align: center; font-size: 1.6em; }
.osd-status.warn { color: #ffd23c; } .osd-status.bad { color: #ff6a55; }
.osd-place { position: absolute; top: 9.5%; left: 0; right: 0; text-align: center; font-size: 0.7em; font-weight: 500; opacity: 0.85; }
.osd-toast { position: absolute; top: 30%; left: 0; right: 0; text-align: center; font-size: 1.5em; color: var(--amber); opacity: 0; transition: opacity .25s; }
.osd-toast.show { opacity: 1; }
.osd-toast.best { color: #7cff9a; }

/* ---------- Menu ---------- */
.menu { position: fixed; inset: 0; display: flex; align-items: stretch; pointer-events: none;
  background: linear-gradient(90deg, rgba(5,6,8,.72) 0, rgba(5,6,8,.35) 520px, rgba(5,6,8,0) 760px); }
.menu.hidden { display: none; }
.panel { pointer-events: auto; width: 500px; max-width: 100%; height: 100%; overflow-y: auto; padding: 28px 30px 20px;
  background: var(--panel); border-right: 1px solid var(--line); backdrop-filter: blur(10px); scrollbar-width: thin; }
.brand { margin-bottom: 18px; }
.wordmark { font: 700 54px/0.9 var(--display); letter-spacing: 0.06em; }
.wordmark span { color: var(--amber); }
.sub { color: var(--muted); margin-top: 6px; font-size: 13px; }
.tag { display: inline-block; margin-left: 6px; padding: 1px 7px; border: 1px solid var(--amber); color: var(--amber); border-radius: 3px;
  font: 500 11px/1.6 var(--mono); text-transform: uppercase; letter-spacing: .05em; }
.devices { display: grid; gap: 8px; margin: 0 0 16px; }
.dev { display: grid; grid-template-columns: 10px 1fr; gap: 10px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 5px; background: rgba(255,255,255,.025); }
.dev .dot { width: 10px; height: 10px; border-radius: 50%; margin-top: 5px; background: #4a4844; }
.dev[data-state=ok] .dot { background: var(--good); box-shadow: 0 0 8px rgba(111,208,140,.6); }
.dev[data-state=warn] .dot { background: #ffb43c; box-shadow: 0 0 8px rgba(255,180,60,.5); }
.dev[data-state=busy] .dot { background: var(--amber); animation: pulse 1s ease-in-out infinite; }
.dev[data-state=error] .dot { background: var(--bad); }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .dev[data-state=busy] .dot { animation: none; } }
.dev-body { min-width: 0; }
.dev-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.dev-name { font: 600 14px var(--display); letter-spacing: .03em; }
.dev-tag { font: 500 11px var(--mono); color: var(--muted); }
.dev-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }
.checks { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 12px; padding: 0; margin: 6px 0 0; font: 500 11.5px var(--mono); }
.checks li::before { content: '○ '; color: var(--muted); }
.checks li.ok::before { content: '✓ '; color: var(--good); }
.checks li.attn::before { content: '! '; color: #ffb43c; font-weight: 700; }
.checks li.attn { color: #ffcf7a; }
.dev-help { margin: 8px 0 0; font-size: 12px; color: #ffcf7a; line-height: 1.5; }
.dev-actions { display: flex; gap: 10px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.dev-actions button { padding: 4px 10px; font-size: 12px; }
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.tab { background: none; border: 0; padding: 9px 14px; cursor: pointer; color: var(--muted); font: 600 15px var(--display); letter-spacing: .06em; text-transform: uppercase;
  border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--amber); }
.pane { display: none; }
.pane.active { display: block; }
h3 { font: 600 15px var(--display); letter-spacing: .05em; text-transform: uppercase; margin: 18px 0 8px; }
h3:first-child { margin-top: 0; }
h3 small, .seg small { font: 400 12px var(--sans); text-transform: none; letter-spacing: 0; color: var(--muted); }
.field { display: block; margin: 0 0 12px; color: var(--muted); font-size: 12px; }
.field output { float: right; color: var(--text); font-family: var(--mono); }
.field input[type=text], .field input[type=number], .field select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 7px 9px; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 4px; color: var(--text); }
select option { background: #15171b; }
input[type=number] { font-family: var(--mono); }
input[type=range] { width: 100%; margin-top: 6px; accent-color: var(--amber); }
.check { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 13px; }
.check input { accent-color: var(--amber); }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 10px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 10px; }
.spec .field:first-child { grid-column: span 2; }
.spec .check { align-self: end; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
button, .btn { cursor: pointer; padding: 7px 12px; background: rgba(255,255,255,.06); border: 1px solid var(--line); border-radius: 4px; }
button:hover, .btn:hover { border-color: rgba(255,255,255,.25); }
button.link { background: none; border: 0; padding: 4px 0; color: var(--muted); text-decoration: underline; }
.seg { gap: 0; }
.seg button { flex: 1; border-radius: 0; padding: 10px; font: 600 14px var(--display); letter-spacing: .04em; }
.seg button:first-child { border-radius: 4px 0 0 4px; } .seg button:last-child { border-radius: 0 4px 4px 0; }
.seg button.on { background: var(--amber-soft); border-color: var(--amber); color: #ffd9b3; }
.big { width: 100%; margin: 6px 0 10px; padding: 14px; background: var(--amber); color: #1a0f04; border: 0; font: 700 22px var(--display); letter-spacing: .2em; border-radius: 4px; }
.big:hover { filter: brightness(1.08); }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0 12px; }
.warn { color: #ffcf7a; font-size: 13px; background: rgba(255, 180, 60, .08); border-left: 2px solid #ffb43c; padding: 8px 10px; margin: 8px 0 12px; }
.status { font: 13px var(--mono); color: var(--text); min-height: 1em; white-space: pre-wrap; }
.status.err { color: var(--bad); } .status.ok { color: var(--good); }
kbd { font: 11px var(--mono); padding: 1px 5px; border: 1px solid var(--line); border-radius: 3px; color: var(--text); }
code { font: 12px var(--mono); color: var(--text); }
textarea { font: 12px var(--mono); resize: vertical; margin-bottom: 6px; }
.thr { display: flex; align-items: end; gap: 8px; flex-wrap: wrap; }
.thr > span { width: 100%; }
.thr label { flex: 1; font-size: 11px; }
.thr input { width: 100%; padding: 7px; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 4px; color: var(--text); }
table { width: 100%; border-collapse: collapse; margin-bottom: 8px; }
th, td { text-align: left; padding: 4px 6px 4px 0; font-weight: 500; }
thead th { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.rates input { width: 100%; padding: 5px 6px; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 4px; }
.rates td.max { font-family: var(--mono); color: var(--amber); white-space: nowrap; }
#rate-graph { width: 100%; height: auto; background: rgba(255,255,255,.025); border: 1px solid var(--line); border-radius: 4px; }
.est { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 6px 0 4px; }
.est div { background: rgba(255,255,255,.035); border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; }
.est b { display: block; font: 600 18px var(--mono); color: var(--text); }
.est span { font-size: 11px; color: var(--muted); }
.chan td { vertical-align: middle; }
.chan input[type=number] { width: 56px; padding: 4px 6px; background: rgba(255,255,255,.04); border: 1px solid var(--line); border-radius: 4px; }
.chan button { padding: 3px 8px; font-size: 12px; }
.bar { position: relative; width: 120px; height: 10px; background: rgba(255,255,255,.07); border-radius: 2px; overflow: hidden; }
.bar i { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: var(--amber); }
.raw { font: 11px var(--mono); color: var(--muted); word-break: break-all; }
.times td { font-family: var(--mono); font-size: 13px; }
.times tr.me td { color: var(--amber); }
.foot { margin-top: 22px; color: #55534e; font-size: 11px; }
.loading { position: fixed; inset: 0; display: grid; place-items: center; font: 600 18px var(--display); letter-spacing: .15em; text-transform: uppercase; background: var(--bg); color: var(--muted); z-index: 10; }
.beta { color: var(--amber); }

.loading.fail { text-transform: none; letter-spacing: 0; padding: 24px; }
.loading.fail > div { max-width: 560px; }
.loading.fail h2 { font: 600 22px var(--display); color: var(--text); margin: 0 0 10px; }
.loading.fail p { font: 15px/1.6 var(--sans); color: var(--muted); margin: 0; }
.loading.fail b { color: var(--text); font-weight: 600; }
.loading.fail pre { white-space: pre-wrap; font: 12px var(--mono); color: var(--bad); background: rgba(255,255,255,.04); padding: 10px; border-radius: 4px; margin-top: 12px; }