/* Layout: one rack unit. Console well on the left, equipment panel on the right; on phones the two become tabs. */
:root {
  --bg: #e3e8ed; --panel: #f6f8fa; --panel2: #ecf0f3; --ink: #15202a; --muted: #586674; --rule: #c9d2db;
  --accent: #1b6aac; --accent-ink: #ffffff; --amber: #a87300; --ok: #1f9450; --bad: #c0423a; --off: #a3afba;
  --term: #0f1921; --term2: #17242e; --term-ink: #d3dce3; --term-dim: #7b8c99; --term-prompt: #f1b54a; --term-log: #93a6b4; --term-coach: #82c3f2; --term-err: #f29a8e; --term-sys: #a8d9b4;
  --display: "Archivo", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --panel-w: 400px;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --bg: #0a0f14; --panel: #111920; --panel2: #0d141a; --ink: #dae2e9; --muted: #8796a4; --rule: #22303b;
  --accent: #5ba7e5; --accent-ink: #061420; --amber: #e2a83c; --ok: #3cbc6b; --bad: #e46a5f; --off: #4a5866;
  --term: #070c10; --term2: #0f1820; color-scheme: dark;
} }
:root[data-theme="dark"] {
  --bg: #0a0f14; --panel: #111920; --panel2: #0d141a; --ink: #dae2e9; --muted: #8796a4; --rule: #22303b;
  --accent: #5ba7e5; --accent-ink: #061420; --amber: #e2a83c; --ok: #3cbc6b; --bad: #e46a5f; --off: #4a5866;
  --term: #070c10; --term2: #0f1820; color-scheme: dark;
}
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.45 var(--body); display: flex; flex-direction: column; overflow: hidden; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--panel); }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- header ---------- */
.bar { display: flex; align-items: center; gap: 14px; padding-block: 8px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); background: var(--panel); border-bottom: 1px solid var(--rule); flex: none; min-width: 0; }
.brand { display: flex; align-items: center; gap: 8px; font-family: var(--display); font-stretch: 72%; font-weight: 800; letter-spacing: .09em; font-size: 17px; text-transform: uppercase; white-space: nowrap; }
.leds { display: inline-flex; gap: 3px; }
.leds i { width: 6px; height: 6px; border-radius: 1px; background: var(--off); }
.leds i:nth-child(1) { background: var(--ok); } .leds i:nth-child(2) { background: var(--amber); }
.labchip { display: flex; align-items: baseline; gap: 8px; min-width: 0; flex: 1; }
.labchip .trk { font-family: var(--display); font-stretch: 75%; font-weight: 700; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }
.labchip .ttl { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.acts { display: flex; gap: 6px; flex: none; }
.btn { border: 1px solid var(--rule); background: var(--panel); border-radius: 5px; padding: 6px 11px; font-size: 13px; font-weight: 500; cursor: pointer; line-height: 1.2; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.warn { border-color: var(--bad); color: var(--bad); }
.btn.sm { padding: 4px 8px; font-size: 12px; }

/* ---------- view switch (phones) ---------- */
.views { display: none; padding-block: 6px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); background: var(--panel); border-bottom: 1px solid var(--rule); gap: 4px; flex: none; }
.views button { flex: 1; border: 1px solid var(--rule); background: var(--panel2); padding: 6px; border-radius: 5px; font-weight: 600; font-size: 13px; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 8px; }
.views button[aria-pressed="true"] { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.views .cnt { font-family: var(--mono); font-size: 11px; font-weight: 400; opacity: .8; }

/* ---------- main ---------- */
.app { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) var(--panel-w); }
.console { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--term); color: var(--term-ink); }
.devtabs { display: flex; gap: 2px; padding: 6px 8px 0; padding-left: max(8px, env(safe-area-inset-left, 0px)); background: var(--term2); overflow-x: auto; flex: none; scrollbar-width: none; }
.devtabs::-webkit-scrollbar { display: none; }
.dt { display: flex; align-items: center; gap: 7px; padding: 7px 12px 8px; border: 0; border-top: 2px solid transparent; background: transparent; color: var(--term-dim); font: 600 12px var(--mono); cursor: pointer; border-radius: 4px 4px 0 0; white-space: nowrap; }
.dt:hover { color: var(--term-ink); }
.dt[aria-selected="true"] { background: var(--term); color: var(--term-ink); border-top-color: var(--term-prompt); }
.dt .k { font: 700 9px var(--display); font-stretch: 75%; letter-spacing: .1em; text-transform: uppercase; opacity: .7; }
.dt .u { width: 6px; height: 6px; border-radius: 50%; background: var(--term-prompt); display: none; }
.dt.unread .u { display: block; }
.term { flex: 1; min-height: 0; overflow: auto; padding: 12px 16px 6px; padding-left: max(16px, env(safe-area-inset-left, 0px)); font: 13px/1.5 var(--mono); white-space: pre; tab-size: 8; cursor: text; }
.ln { min-height: 1.5em; }
.ln.cmd { color: #ffffff; }
.ln.log { color: var(--term-log); }
.ln.err { color: var(--term-err); }
.ln.coach { color: var(--term-coach); white-space: pre-wrap; font-family: var(--body); font-size: 13px; padding: 2px 0 4px 18px; position: relative; max-width: 70ch; }
.ln.coach::before { content: "›"; position: absolute; left: 4px; font-weight: 700; }
.ln.sys { color: var(--term-sys); white-space: pre-wrap; font-family: var(--body); font-size: 13px; max-width: 72ch; }
.inrow { display: flex; align-items: center; padding: 6px 16px 8px; padding-left: max(16px, env(safe-area-inset-left, 0px)); font: 13px var(--mono); flex: none; border-top: 1px solid rgba(255,255,255,.06); }
.prompt { color: var(--term-prompt); white-space: pre; flex: none; max-width: 60%; overflow: hidden; text-overflow: ellipsis; }
#cmd { flex: 1; min-width: 0; background: transparent; border: 0; outline: none; color: #fff; font: inherit; caret-color: var(--term-prompt); padding: 4px 0 4px 2px; }
#cmd:focus-visible { outline: none; }
.keys { display: flex; align-items: center; gap: 6px; padding: 0 16px 10px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-bottom: max(10px, env(safe-area-inset-bottom, 0px)); flex: none; overflow-x: auto; scrollbar-width: none; }
.keys::-webkit-scrollbar { display: none; }
.key { flex: none; min-width: 40px; padding: 6px 9px; background: var(--term2); color: var(--term-ink); border: 1px solid rgba(255,255,255,.09); border-bottom-width: 2px; border-radius: 5px; font: 600 12px var(--mono); cursor: pointer; }
.key:active { transform: translateY(1px); }
.keys .sp { flex: 1; min-width: 8px; }
.coachsw { display: flex; align-items: center; gap: 7px; color: var(--term-dim); font: 12px var(--body); white-space: nowrap; cursor: pointer; user-select: none; }
.coachsw input { accent-color: var(--term-coach); }
.hintline { color: var(--term-dim); font: 11px var(--body); white-space: nowrap; }

/* ---------- side panel ---------- */
.panel { background: var(--panel); border-left: 1px solid var(--rule); overflow-y: auto; min-width: 0; padding-bottom: env(safe-area-inset-bottom, 0px); }
.sec { padding: 14px 18px; padding-right: max(18px, env(safe-area-inset-right, 0px)); border-bottom: 1px solid var(--rule); }
.h { font-family: var(--display); font-stretch: 75%; font-weight: 700; font-size: 11.5px; letter-spacing: .13em; text-transform: uppercase; color: var(--muted); margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.h .grow { flex: 1; }
.topo { background: var(--panel2); border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
.topo svg { display: block; width: 100%; height: auto; }
.topo .lbl { font: 600 10.5px var(--mono); fill: var(--ink); paint-order: stroke; stroke: var(--panel2); stroke-width: 3px; stroke-linejoin: round; }
.topo .ifl { font: 600 8.5px var(--mono); fill: var(--muted); paint-order: stroke; stroke: var(--panel2); stroke-width: 2.5px; stroke-linejoin: round; }
.topo .area { font: 700 7.5px var(--display); font-stretch: 75%; letter-spacing: .14em; fill: var(--muted); }
.topo .dev { cursor: pointer; }
.topo .dev:hover .body { stroke: var(--accent); }
.legend { display: flex; gap: 12px; flex-wrap: wrap; font-size: 11.5px; color: var(--muted); margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

.labhead h1 { font-family: var(--display); font-stretch: 85%; font-weight: 800; font-size: 22px; line-height: 1.1; margin: 2px 0 6px; text-wrap: balance; letter-spacing: .005em; }
.meta { display: flex; flex-wrap: wrap; gap: 6px; font-size: 12px; color: var(--muted); }
.tag { border: 1px solid var(--rule); border-radius: 3px; padding: 1px 6px; font-size: 11.5px; }
.brief p { margin: 0 0 8px; max-width: 65ch; }
.brief p:last-child { margin-bottom: 0; }

.ports { display: flex; gap: 3px; flex-wrap: wrap; }
.ports i { width: 14px; height: 9px; border-radius: 2px; background: var(--panel2); border: 1px solid var(--rule); }
.ports i.on { background: var(--ok); border-color: var(--ok); box-shadow: 0 0 6px color-mix(in srgb, var(--ok) 60%, transparent); }
.prog { font: 600 12px var(--mono); color: var(--ink); font-variant-numeric: tabular-nums; }
.objs { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 2px; }
.obj { display: grid; grid-template-columns: 18px minmax(0, 1fr) auto; gap: 4px 10px; align-items: start; padding: 9px 0; border-top: 1px solid var(--rule); }
.obj:first-child { border-top: 0; }
.led { width: 10px; height: 10px; border-radius: 50%; margin-top: 5px; border: 2px solid var(--off); box-sizing: border-box; }
.obj.done .led { background: var(--ok); border-color: var(--ok); box-shadow: 0 0 7px color-mix(in srgb, var(--ok) 70%, transparent); }
.obj.flash .led { animation: pulse 1.2s ease-out 2; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--ok) 70%, transparent); } 100% { box-shadow: 0 0 0 10px transparent; } }
.obj .t { min-width: 0; }
.obj.done .t { color: var(--muted); }
.obj .n { font: 600 11px var(--mono); color: var(--muted); margin-right: 6px; }
.hintbtn { border: 0; background: none; color: var(--accent); font-size: 12px; font-weight: 600; cursor: pointer; padding: 3px 0 0; white-space: nowrap; }
.hints { grid-column: 2 / 4; display: grid; gap: 6px; margin-top: 4px; }
.hint { background: var(--panel2); border: 1px solid var(--rule); border-radius: 5px; padding: 7px 10px; font-size: 13px; }
.hint b { font: 700 10px var(--display); font-stretch: 75%; letter-spacing: .12em; text-transform: uppercase; color: var(--amber); display: block; margin-bottom: 2px; }
.hint.cmd .x { font-family: var(--mono); font-size: 12px; overflow-wrap: anywhere; }
.done-banner { display: none; margin-top: 12px; padding: 12px 14px; border: 1px solid var(--ok); border-radius: 6px; background: color-mix(in srgb, var(--ok) 10%, var(--panel)); }
.done-banner.show { display: block; }
.done-banner strong { display: block; font-family: var(--display); font-stretch: 80%; font-size: 16px; margin-bottom: 4px; }
.done-banner .row { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.free { color: var(--muted); font-size: 13px; margin: 0; }

.tbl { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 12.5px; }
th { text-align: left; font: 700 10px var(--display); font-stretch: 75%; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 4px 8px 6px 0; border-bottom: 1px solid var(--rule); }
td { padding: 5px 8px 5px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
td.m { font-family: var(--mono); font-size: 11.5px; }
tr:last-child td { border-bottom: 0; }
details > summary { list-style: none; cursor: pointer; }
details > summary::-webkit-details-marker { display: none; }
details > summary .h::after { content: "+"; margin-left: auto; font: 600 14px var(--mono); }
details[open] > summary .h::after { content: "–"; }
details > summary .h { margin: 0; }
details[open] > summary .h { margin-bottom: 10px; }
.cheat { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 12.5px; }
.cheat code { font-family: var(--mono); font-size: 12px; white-space: nowrap; }

/* ---------- overlays ---------- */
.scrim { position: fixed; inset: 0; background: rgba(5, 10, 15, .45); z-index: 30; display: none; }
.scrim.show { display: block; }
.drawer { position: fixed; top: 0; bottom: 0; right: 0; width: min(460px, 100%); background: var(--panel); z-index: 31; transform: translateX(105%); transition: transform .22s ease; display: flex; flex-direction: column; border-left: 1px solid var(--rule); padding-top: env(safe-area-inset-top, 0px); }
.drawer.show { transform: none; }
.dhead { display: flex; align-items: center; gap: 10px; padding-block: 12px; padding-left: 18px; padding-right: max(18px, env(safe-area-inset-right, 0px)); border-bottom: 1px solid var(--rule); }
.dhead h2 { margin: 0; flex: 1; font-family: var(--display); font-stretch: 80%; font-weight: 800; font-size: 18px; letter-spacing: .02em; }
.dbody { overflow-y: auto; padding: 6px 0 24px; padding-bottom: max(24px, env(safe-area-inset-bottom, 0px)); }
.track { padding: 14px 18px 4px; padding-right: max(18px, env(safe-area-inset-right, 0px)); }
.track .h { margin-bottom: 4px; }
.track p { margin: 0 0 6px; color: var(--muted); font-size: 12.5px; }
.lrow { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; gap: 10px; align-items: center; width: 100%; text-align: left; border: 0; background: none; padding: 10px 18px; padding-right: max(18px, env(safe-area-inset-right, 0px)); cursor: pointer; border-top: 1px solid var(--rule); }
.lrow:hover { background: var(--panel2); }
.lrow[aria-current="true"] { background: color-mix(in srgb, var(--accent) 10%, var(--panel)); }
.lrow .num { font: 600 12px var(--mono); color: var(--muted); }
.lrow .nm { font-weight: 600; display: block; }
.lrow .tg { font-size: 12px; color: var(--muted); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lrow .st { display: flex; align-items: center; gap: 6px; font-size: 11.5px; color: var(--muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.lrow .st i { width: 9px; height: 9px; border-radius: 50%; border: 2px solid var(--off); box-sizing: border-box; }
.lrow .st i.prog { border-color: var(--amber); }
.lrow .st i.ok { background: var(--ok); border-color: var(--ok); }
.lrow .st i.next { background: var(--accent); border-color: var(--accent); }
.lrow .st.next { color: var(--accent); font-weight: 600; }
.lrow .st i.lock { border-radius: 2px; border-color: var(--off); background: var(--off); }
.lrow.locked { cursor: not-allowed; }
.lrow.locked:hover { background: none; }
.lrow.locked .nm, .lrow.locked .num { color: var(--muted); }
.unlock { display: flex; align-items: flex-start; gap: 9px; margin: 8px 0 6px; padding: 9px 11px; border: 1px solid var(--rule); border-radius: 6px; background: var(--panel2); cursor: pointer; user-select: none; }
.unlock input { margin: 2px 0 0; accent-color: var(--accent); }
.unlock b { display: block; font-weight: 600; font-size: 13px; }
.unlock small { display: block; color: var(--muted); font-size: 12px; }
.sets { padding: 16px 18px 4px; padding-right: max(18px, env(safe-area-inset-right, 0px)); }
.sets p { margin: 8px 0 0; color: var(--muted); font-size: 12.5px; }
.seg { display: flex; gap: 4px; }
.seg button { flex: 1; border: 1px solid var(--rule); background: var(--panel2); padding: 7px 6px; border-radius: 5px; font-weight: 600; font-size: 13px; cursor: pointer; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.remind { align-items: center; margin: 0; cursor: default; }
.remind label { display: flex; align-items: flex-start; gap: 9px; flex: 1; min-width: 0; cursor: pointer; }
.remind input[type="time"] { margin: 0; padding: 4px 6px; font: 13px var(--mono); color: var(--ink); background: var(--panel); border: 1px solid var(--rule); border-radius: 4px; }
.remind input[type="time"][hidden] { display: none; }
.mod { padding: 16px 18px 8px; padding-right: max(18px, env(safe-area-inset-right, 0px)); border-top: 1px solid var(--rule); background: color-mix(in srgb, var(--panel2) 55%, var(--panel)); }
.mod .mtop { display: flex; align-items: baseline; gap: 8px; min-width: 0; }
.mod .mn { font: 700 10.5px var(--display); font-stretch: 75%; letter-spacing: .13em; text-transform: uppercase; color: var(--accent); white-space: nowrap; }
.mod .mt { font-weight: 600; flex: 1; min-width: 0; }
.mod .mc { font: 600 11px var(--mono); color: var(--muted); }
.mod .pill { font-size: 10.5px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); border: 1px solid var(--rule); border-radius: 999px; padding: 1px 7px; white-space: nowrap; }
.mod .mbar { height: 4px; border-radius: 2px; background: var(--rule); margin: 8px 0 2px; overflow: hidden; }
.mod .mbar i { display: block; height: 100%; background: var(--ok); border-radius: 2px; }
.mod p { margin: 6px 0 0; color: var(--muted); font-size: 12.5px; }
.mod.soon, .mod.locked { background: none; }
.mod.soon .mn, .mod.locked .mn { color: var(--muted); }
.mod.soon .mt { color: var(--muted); }
.modal { position: fixed; z-index: 32; left: 50%; top: 50%; transform: translate(-50%, -50%); width: min(640px, calc(100% - 24px)); max-height: calc(100% - 48px); background: var(--panel); border: 1px solid var(--rule); border-radius: 8px; display: none; flex-direction: column; box-shadow: 0 20px 60px rgba(0,0,0,.35); }
.modal.show { display: flex; }
.mbody { overflow-y: auto; padding: 16px 18px 18px; }
.mbody p { margin: 0 0 12px; max-width: 60ch; }
.solblk { margin-bottom: 14px; }
.solblk .top { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.solblk .top strong { font: 700 13px var(--mono); flex: 1; }
.solblk pre { margin: 0; background: var(--term); color: var(--term-ink); border-radius: 6px; padding: 10px 12px; font: 12.5px/1.55 var(--mono); overflow-x: auto; }
.toast { position: fixed; left: 50%; bottom: max(20px, calc(env(safe-area-inset-bottom, 0px) + 12px)); transform: translate(-50%, 20px); background: var(--ink); color: var(--panel); padding: 9px 14px; border-radius: 6px; font-size: 13px; font-weight: 600; opacity: 0; transition: opacity .2s, transform .2s; z-index: 40; pointer-events: none; display: flex; gap: 8px; align-items: center; max-width: calc(100% - 32px); }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.toast i { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); flex: none; }

@media (max-width: 860px) {
  .views { display: flex; }
  .app { grid-template-columns: minmax(0, 1fr); }
  body[data-view="console"] .panel { display: none; }
  body[data-view="lab"] .console { display: none; }
  .panel { border-left: 0; }
  .labchip .trk { display: none; }
  .hintline { display: none; }
  .term { font-size: 12px; padding-block: 10px 4px; padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .inrow, .keys { padding-right: max(16px, env(safe-area-inset-right, 0px)); }
  .inrow { font-size: 12.5px; }
  .sec { padding-left: max(18px, env(safe-area-inset-left, 0px)); }
  #cmd { font-size: 16px; }
  .acts .opt { display: none; }
  .toast { bottom: max(84px, calc(env(safe-area-inset-bottom, 0px) + 76px)); }
  .coachsw .lng { display: none; }
}
@media (max-width: 420px) { .brand .wd { display: none; } }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }