/* SPDX-License-Identifier: Apache-2.0 */
:root {
  --bg: #0f1115;
  --panel: #1a1d24;
  --panel-2: #222631;
  --border: #2c313c;
  --text: #e6e8ec;
  --muted: #9aa3b0;
  --accent: #2dd4bf;
  --accent-d: #14b8a6;
  --danger: #f87171;
  --warn: #fbbf24;
  --ok: #4ade80;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

h1, h2, h3, h4 { margin: 0 0 .4em; font-weight: 650; letter-spacing: -.01em; }
h1 { font-size: 1.15rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.05rem; }
h4 { font-size: .95rem; }

a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--accent-d); }

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: .7rem 1.2rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar h1 { flex: 0 0 auto; }
/* The brand wordmark is a button that jumps to the Fleet flagship. */
.brand-wrap { display: contents; }
.brand {
  background: transparent; border: 0; padding: 0; margin: 0; cursor: pointer;
  font: inherit; font-size: 1.15rem; font-weight: 650; letter-spacing: -.01em;
  color: var(--text); border-radius: 8px;
}
.brand:hover { color: var(--accent); }
.brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.badge {
  margin-left: auto;
  font-size: .8rem;
  padding: .25rem .6rem;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge.ok { color: var(--ok); border-color: #2f6b46; }
.badge.bad { color: var(--danger); border-color: #6b2f2f; }

main { padding: 1.4rem; max-width: 1100px; margin: 0 auto; }
.view-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.empty { color: var(--muted); padding: 2rem; text-align: center; }

button {
  font: inherit;
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: .5rem .9rem;
  transition: border-color .15s, background-color .15s, color .15s;
}
button:hover:not(:disabled) { border-color: var(--accent-d); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); color: #06201c; border-color: var(--accent); font-weight: 600; }
button.primary:hover:not(:disabled) { background: var(--accent-d); }
button.danger { color: var(--danger); border-color: #6b2f2f; }
button.danger:hover:not(:disabled) { border-color: var(--danger); }
select, input { font: inherit; background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: .45rem .6rem; transition: border-color .15s; }

/* Keyboard focus: a single, consistent, visible ring everywhere. */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button:focus-visible, .card:focus-visible, .seg-btn:focus-visible,
input:focus-visible, select:focus-visible, [tabindex]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
input[aria-invalid="true"] { border-color: var(--danger); }

/* Catalog grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent-d); transform: translateY(-2px); }
.card-img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #000; display: block; }
.card-img.placeholder { display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 2rem; }
.card-body { padding: .7rem .8rem; }
.card-body h3 { font-size: 1rem; margin: 0 0 .2rem; }
.card-body .type { color: var(--muted); font-size: .85rem; }
.chips { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .5rem; }
.chip { font-size: .72rem; padding: .15rem .5rem; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.chip.fqbn { color: var(--accent); border-color: var(--accent-d); }
/* A chip rendered as a button (e.g. the board-detail "alias" affordance). */
.chip.chip-action { cursor: pointer; line-height: 1.2; }
.chip.chip-action:hover { color: var(--text); border-color: var(--accent-d); }

/* Catalog list */
.list { display: flex; flex-direction: column; gap: .5rem; }
.list .card { display: flex; align-items: center; gap: .9rem; }
.list .card-img { width: 84px; height: 64px; aspect-ratio: auto; flex: 0 0 auto; border-radius: 8px; }
.list .card-img.placeholder { font-size: 1.4rem; }
.list .card-body { padding: .55rem .8rem .55rem 0; }
.list .card-body .chips { margin-top: .35rem; }

/* Layout toggle */
.view-head-actions { display: flex; align-items: center; gap: .8rem; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg-btn { border: none; border-radius: 0; padding: .45rem .8rem; background: var(--panel-2); color: var(--muted); }
.seg-btn + .seg-btn { border-left: 1px solid var(--border); }
.seg-btn.active { background: var(--accent); color: #06201c; font-weight: 600; }
.seg-btn:hover:not(.active) { border-color: var(--border); color: var(--text); }

/* Capture */
.capture-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
@media (max-width: 800px) { .capture-layout { grid-template-columns: 1fr; } }
#cam, #frame { width: 100%; background: #000; border-radius: var(--radius); border: 1px solid var(--border); aspect-ratio: 4/3; object-fit: cover; }
.cam-controls { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: .7rem; }
.capture-result { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; }
.capture-name { margin-bottom: .8rem; }
.capture-name > label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: .3rem; }
.capture-name-row { display: flex; gap: .5rem; }
/* min-width:0 lets the input shrink below its placeholder's intrinsic width so
 * the row (incl. the Discover button) stays within a narrow grid track instead
 * of overflowing into the neighbouring column. */
.capture-name-row input { flex: 1; min-width: 0; }
/* Kind badge accent: boards stand out from sensors/modules. */
.chip.kind-board { color: var(--accent); border-color: var(--accent-d); }

/* Recognition / detail */
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .3rem .8rem; margin: .6rem 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* Admin / LLM usage view */
.admin-locked { max-width: 24rem; margin: 1rem 0; }
.usage-wrap { overflow-x: auto; margin: .4rem 0 1rem; }
.usage-table { width: 100%; border-collapse: collapse; font-size: .85rem; }
.usage-table th, .usage-table td { text-align: left; padding: .35rem .6rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
.usage-table th { color: var(--muted); font-weight: 600; }
.usage-table td:nth-child(n+4) { font-variant-numeric: tabular-nums; }
.notes { margin: .4rem 0; padding-left: 1.1rem; }
.notes li { margin: .2rem 0; }
.spinner { display: inline-block; width: 1em; height: 1em; border: 2px solid var(--muted); border-top-color: var(--accent); border-radius: 50%; animation: spin .7s linear infinite; vertical-align: -2px; }
@keyframes spin { to { transform: rotate(360deg); } }

.error { color: var(--danger); }
.placeholder { background: var(--panel); border: 1px dashed var(--border); border-radius: var(--radius); padding: 1.5rem; color: var(--muted); }

/* Drawer */
.drawer { position: fixed; inset: 0; z-index: 50; }
.drawer-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.55); }
.drawer-panel {
  position: absolute; top: 0; right: 0; height: 100%; width: min(680px, 100%);
  background: var(--bg); border-left: 1px solid var(--border);
  padding: 1.5rem; overflow-y: auto; box-shadow: -10px 0 30px rgba(0,0,0,.4);
}
.drawer-close { position: absolute; top: .6rem; right: .8rem; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; line-height: 1; background: transparent; border: none; border-radius: 8px; color: var(--muted); }
.drawer-close:hover { color: var(--text); background: var(--panel-2); }
.detail-img { width: 100%; max-height: 280px; object-fit: contain; background: #000; border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 1rem; }

/* Wiring */
.wiring-bar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: 1rem 0 .6rem; }
.wiring-bar-spaced { margin-top: 2rem; }
.wiring-block { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.wiring-svg { width: 100%; background: #0a0c10; border-radius: 8px; border: 1px solid var(--border); }
table.conn { width: 100%; border-collapse: collapse; margin: .6rem 0; font-size: .9rem; }
table.conn th, table.conn td { text-align: left; padding: .4rem .5rem; border-bottom: 1px solid var(--border); }
table.conn th { color: var(--muted); font-weight: 500; }
.swatch { display: inline-block; width: .8em; height: .8em; border-radius: 2px; margin-right: .4em; vertical-align: -1px; border: 1px solid rgba(255,255,255,.2); }
pre.code { background: #0a0c10; border: 1px solid var(--border); border-radius: 8px; padding: .8rem; overflow-x: auto; font-size: .82rem; line-height: 1.45; }

/* Control view */
.control-layout { display: grid; grid-template-columns: 320px 1fr; gap: 1.4rem; align-items: start; }
@media (max-width: 820px) { .control-layout { grid-template-columns: 1fr; } }
.control-side h3 { font-size: 1rem; }
.conn-list { display: flex; flex-direction: column; gap: .4rem; margin-bottom: 1rem; }
.conn-item {
  display: flex; align-items: center; gap: .5rem; cursor: pointer;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: .5rem .6rem;
}
.conn-item.active { border-color: var(--accent); border-left: 3px solid var(--accent); }
.conn-item { transition: border-color .12s ease; }
.conn-item:hover { border-color: var(--accent-d); }

/* Control tabs */
.control-tabs { display: flex; gap: .3rem; flex-wrap: wrap; border-bottom: 1px solid var(--border); margin-bottom: 1rem; padding-bottom: .5rem; }
.control-tab { background: transparent; border: 1px solid transparent; color: var(--muted); padding: .4rem .85rem; border-radius: var(--radius); font-size: .9rem; }
.control-tab:hover { color: var(--text); background: var(--panel-2); }
.control-tab.active { color: var(--bg); background: var(--accent); font-weight: 600; }
.control-pane { min-width: 0; }
.control-pane > h4:first-child { margin-top: 0; }
.badge.warn { color: var(--warn); border-color: #6b5a2f; }
.chart-canvas { width: 100%; height: 220px; background: #0a0c10; border: 1px solid var(--border); border-radius: 8px; display: block; }
.pin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: .35rem; margin: .5rem 0; }
.pin-cell { font-size: .78rem; padding: .35rem .2rem; border: 1px solid var(--border); border-radius: 6px; background: var(--panel-2); color: var(--text); }
.pin-cell:hover { border-color: var(--accent); }
.pin-cell.pin-analog { border-left: 3px solid var(--accent); }
.pin-cell.pin-special { color: var(--warn); }
/* Pin Bench: a managed array of configured pins (modes, outputs, live reads). */
.pin-cell.on-bench { border-color: var(--accent); color: var(--accent); }

/* ---- Component pins: colour by kind (--pk drives pinout chips, table chips, card dots) ---- */
.sensor-pin-power { --pk: var(--danger); }
.sensor-pin-gnd { --pk: var(--muted); }
.sensor-pin-data { --pk: var(--accent); }
.sensor-pin-clock { --pk: var(--warn); }
.sensor-pin-analog { --pk: var(--accent-d); }
.sensor-pin-pwm { --pk: #a78bfa; }
.sensor-pin-other { --pk: var(--border); }

.sensor-pinout { display: flex; flex-wrap: wrap; gap: .35rem; margin: .4rem 0 .8rem; }
.sensor-pinout .pin-cell { border-left: 3px solid var(--pk); }

.pin-table { width: 100%; border-collapse: collapse; margin: .3rem 0 .8rem; font-size: .85rem; }
.pin-table th { text-align: left; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); padding: .3rem .5rem; }
.pin-table td { border-bottom: 1px solid var(--border); padding: .3rem .5rem; vertical-align: top; }
.pin-table .pin-name { font-weight: 600; white-space: nowrap; }
.chip.sensor-pin-power, .chip.sensor-pin-gnd, .chip.sensor-pin-data, .chip.sensor-pin-clock,
.chip.sensor-pin-analog, .chip.sensor-pin-pwm, .chip.sensor-pin-other { color: var(--pk); border-color: var(--pk); }

/* Catalog card: a compact colour-coded pin strip. */
.card-pins { display: flex; flex-wrap: wrap; align-items: center; gap: .25rem; margin-top: .5rem; }
.card-pin-dot { width: .55rem; height: .55rem; border-radius: 50%; display: inline-block; background: var(--pk); border: 1px solid var(--border); }
.card-pins-count { font-size: .72rem; color: var(--muted); margin-left: .2rem; }

/* The editable component form (add via AI / add manually / edit saved). */
.recog-head { display: flex; gap: .4rem; margin-bottom: .6rem; }
.component-form { display: flex; flex-direction: column; gap: .8rem; }
.cf-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .6rem; }
.cf-field { display: flex; flex-direction: column; gap: .2rem; font-size: .8rem; color: var(--muted); }
.cf-field-full { grid-column: 1 / -1; }
.cf-input { width: 100%; }
.cf-textarea { resize: vertical; }
.cf-pins-head { display: flex; align-items: center; gap: .5rem; margin: .2rem 0 .3rem; }
.cf-pins-head h4 { margin: 0; margin-right: auto; }
.cf-pin-table { width: 100%; border-collapse: collapse; }
.cf-pin-table th { text-align: left; font-size: .72rem; color: var(--muted); font-weight: 600; padding: .15rem .3rem; }
.cf-pin-table td { padding: .15rem .3rem; }
.cf-pin-table .cf-input { width: 100%; }
.cf-pin-table .cf-pin-kind { min-width: 6rem; }
.pin-bench-bar { align-items: flex-end; }
.pin-bench-bar label { display: flex; flex-direction: column; gap: .2rem; font-size: .8rem; color: var(--muted); }
.pin-bench { display: flex; flex-direction: column; gap: .35rem; margin: .5rem 0; }
.pin-bench-row {
  display: grid;
  grid-template-columns: minmax(5rem, 1fr) auto auto minmax(8rem, 1.5fr) auto auto;
  gap: .5rem; align-items: center; padding: .35rem .5rem;
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
}
.pin-bench-label { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: .2rem .4rem; min-width: 4rem; }
.pin-bench-gpio { font-family: ui-monospace, monospace; font-size: .72rem; color: var(--muted); }
.pin-bench-mode { background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; color: var(--text); padding: .2rem .3rem; }
.pin-bench-ctl { display: inline-flex; gap: .35rem; align-items: center; min-width: 0; }
.pin-bench-pwm { flex: 1; min-width: 5rem; }
.pin-bench-hi.active { background: var(--ok); color: #06201c; border-color: var(--ok); }
.pin-bench-lo.active { background: var(--warn); color: #2a1c06; border-color: var(--warn); }
.pin-bench-live { font-size: .72rem; }
.pin-bench-live.active { background: var(--accent); color: #06201c; border-color: var(--accent); font-weight: 600; }
.pin-bench-del { color: var(--muted); }
.pin-bench-del:hover { color: #f87171; border-color: #f87171; }
.macro-chip { display: inline-flex; align-items: center; border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.mono { font-family: var(--mono, ui-monospace, monospace); font-size: .8rem; word-break: break-all; }
.board-card .card-img.placeholder { font-size: 2.4rem; }
#bd-mesh-pane label, #bd-macros-pane label { display: inline-flex; flex-direction: column; gap: .2rem; font-size: .8rem; color: var(--muted); }
#bd-notes { width: 100%; box-sizing: border-box; }
.macro-btn { border: none; background: var(--panel-2); color: var(--text); font-size: .8rem; }
.macro-del { border: none; background: transparent; color: var(--muted); padding: 0 .4rem; }
.macro-del:hover { color: var(--danger); }
#console-batch, #crash-paste { width: 100%; box-sizing: border-box; }
@media (max-width: 820px) {
  .control-tabs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: thin; }
  .control-tab { flex: 0 0 auto; }
}
.conn-label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9rem; }
.dot { width: .6em; height: .6em; border-radius: 50%; flex: 0 0 auto; }
.dot.on { background: var(--ok); } .dot.off { background: var(--muted); }
.dot.avail { background: var(--accent); }
.dot.err { background: var(--danger); }
.dot.connecting { background: var(--warn); animation: dot-pulse 1s ease-in-out infinite; }
@keyframes dot-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

/* Sidebar group headers (mirrors .proj-group-head) + status legend */
.conn-group-head { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: .6rem 0 .15rem; }
.conn-group-head:first-child { margin-top: 0; }
.conn-legend { display: flex; flex-wrap: wrap; gap: .3rem .8rem; margin: .2rem 0 1rem; font-size: .72rem; color: var(--muted); }
.conn-legend span { display: inline-flex; align-items: center; gap: .35rem; }

/* Control panel header actions (Disconnect) — sits right of the status badge */
.panel-actions { display: flex; gap: .5rem; margin-left: .6rem; }

/* Control auto-discovery list */
.conn-detail { font-size: .72rem; max-width: 22ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); }
.conn-connect, .conn-save { padding: .1rem .55rem; font-size: .78rem; border: 1px solid var(--border); border-radius: 6px; background: var(--panel-2); color: var(--fg); }
.conn-connect:hover, .conn-save:hover { border-color: var(--accent); }
.conn-connect[disabled] { opacity: .6; cursor: default; }
/* Clear, danger-tinted disconnect (sidebar rows + panel header) */
.conn-disconnect { padding: .1rem .55rem; font-size: .78rem; border: 1px solid var(--border); border-radius: 6px; background: var(--panel-2); color: var(--danger); margin-left: auto; }
.conn-disconnect:hover { border-color: var(--danger); }
.panel-actions .conn-disconnect { margin-left: 0; }
.link-btn { background: none; border: none; color: var(--accent); font-size: .8rem; padding: .2rem 0; cursor: pointer; }

/* Boards view — device cards */
.device-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .85rem .9rem; display: flex; flex-direction: column; gap: .55rem;
  transition: border-color .15s;
}
.device-card.connected { border-left: 3px solid var(--ok); }
.device-head { display: flex; align-items: center; gap: .45rem; }
.device-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-meta { display: flex; flex-wrap: wrap; gap: .3rem; }
.device-meta .chip.muted { font-style: italic; }
.device-status { margin: 0; font-size: .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-status.ok { color: var(--ok); }
.device-status.muted { color: var(--muted); }
.device-actions { display: flex; gap: .4rem; margin-top: .15rem; }
.device-actions button { font-size: .85rem; padding: .35rem .7rem; }
.device-actions button:first-child { margin-right: auto; }

/* Always-visible connection-status pill in the top nav */
#conn-status.ok { color: var(--ok); border-color: #2f6b46; }

/* Broker monitor (educational MQTT view) */
.broker-intro { max-width: 70ch; line-height: 1.5; }
.broker-intro code, .edu-card code, .broker-payload { font-family: ui-monospace, monospace; }
.broker-bar { display: flex; flex-wrap: wrap; gap: .8rem; align-items: flex-end; margin-bottom: 1rem; }
.broker-bar label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
.broker-bar input { min-width: 16rem; }
.broker-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 1rem; align-items: start; }
@media (max-width: 800px) { .broker-grid { grid-template-columns: 1fr; } }
.broker-log {
  height: 22rem; overflow-y: auto; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: .5rem; font-size: .82rem; display: flex; flex-direction: column; gap: .15rem;
}
.broker-row { display: flex; gap: .5rem; align-items: baseline; padding: .15rem .2rem; border-bottom: 1px solid var(--border); }
.broker-ts { color: var(--muted); font-variant-numeric: tabular-nums; flex: 0 0 auto; }
.broker-topic { color: var(--accent); font-family: ui-monospace, monospace; flex: 0 0 auto; }
.broker-payload { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.broker-pub { display: flex; gap: .5rem; margin-top: .6rem; }
.broker-pub input:first-child { flex: 0 0 14rem; }
.broker-pub input:last-of-type { flex: 1; }
.broker-side h3 { margin-top: 0; }
.broker-tree {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .4rem; max-height: 22rem; overflow-y: auto; font-size: .8rem;
}
/* Topic-tree rows are clickable buttons (filter feed + set publish topic). */
.broker-tree-row {
  display: flex; gap: .4rem; align-items: baseline; padding: .25rem .35rem; width: 100%;
  background: transparent; border: 1px solid transparent; border-radius: 6px;
  color: var(--text); text-align: left; font: inherit; cursor: pointer;
}
.broker-tree-row:hover { background: var(--panel-2); border-color: var(--border); }
.broker-tree-last { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }

/* Live-feed toolbar: pause / autoscroll / filter / rate */
.broker-toolbar { display: flex; gap: .6rem; align-items: center; margin: .4rem 0 .5rem; flex-wrap: wrap; }
.broker-toolbar input[type="search"] { flex: 1; min-width: 8rem; }
.broker-toolbar .broker-toggle { display: inline-flex; align-items: center; gap: .3rem; font-size: .85rem; color: var(--muted); }
.broker-toolbar #broker-rate { font-variant-numeric: tabular-nums; flex: 0 0 auto; }
#broker-pause.active { background: var(--warn); color: var(--bg); border-color: var(--warn); }
.broker-edu { margin-top: 1.5rem; }
.edu-card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); }
.edu-card h3 { margin: 0 0 .4rem; font-size: .95rem; }
.edu-card p { margin: 0; font-size: .85rem; color: var(--muted); line-height: 1.45; }

/* Broker connection diagnostics panel — the play-by-play log */
.broker-diag-wrap { margin-bottom: 1rem; }
.broker-diag {
  height: 11rem; overflow-y: auto; background: #0c0e12; border: 1px solid var(--border);
  border-radius: var(--radius); padding: .5rem .6rem;
  font-family: ui-monospace, monospace; font-size: .78rem; line-height: 1.5;
}
.diag-line { display: flex; gap: .6rem; align-items: baseline; white-space: pre-wrap; word-break: break-word; }
.diag-line .broker-ts { color: var(--muted); flex: 0 0 auto; font-variant-numeric: tabular-nums; }
.diag-info { color: var(--text); }
.diag-ok { color: var(--ok); }
.diag-err { color: var(--danger); }
#broker-status.warn { color: var(--warn); border-color: #6b5a2f; }

/* ── Realtime Mesh Dashboard ─────────────────────────────────────────────── */
#dash-conn.ok { color: var(--ok); border-color: #2f6b46; }
#dash-conn.warn { color: var(--warn); border-color: #6b5a2f; }
#dash-conn.bad { color: var(--danger); border-color: #6b2f2f; }

.dash-bar { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-bottom: 1rem; }
.dash-broker-cfg { display: flex; gap: .5rem; flex: 1; min-width: 16rem; }
.dash-broker-cfg input { flex: 1; }
/* Broker quick-presets (cloud / built-in), mirroring the Broker view. */
.mon-presets { display: flex; gap: .5rem; flex: none; align-items: center; }
/* "Brokers:" label before the named broker preset buttons (Remote/Local/Built-in). */
.broker-presets-label { font-size: .8rem; color: var(--muted); align-self: center; }
/* The named broker that matches the current URL is highlighted "on". */
button.preset-on { border-color: var(--accent); color: var(--accent); font-weight: 600; }
/* Topic filter rides alongside the broker URL but stays secondary to it. */
.dash-broker-cfg #mon-topic { flex: 0 1 9rem; min-width: 6rem; }

/* KPI summary row — big-number stat tiles */
.dash-kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .8rem; margin-bottom: 1.2rem; }
.kpi {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .8rem 1rem; text-align: center;
}
.kpi-value { font-size: 1.8rem; font-weight: 650; line-height: 1; font-variant-numeric: tabular-nums; }
.kpi-value.ok { color: var(--ok); }
.kpi-value.muted { color: var(--muted); }
.kpi-label { font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-top: .35rem; }

/* Per-node tile grid */
.dash-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.node-tile {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: .8rem .9rem; display: flex; flex-direction: column; gap: .55rem;
  transition: border-color .15s, box-shadow .2s;
}
.node-tile.online { border-color: color-mix(in srgb, var(--ok) 35%, var(--border)); box-shadow: 0 0 0 1px color-mix(in srgb, var(--ok) 12%, transparent); }
.node-tile.offline { opacity: .62; }
.tile-head { display: flex; align-items: center; gap: .45rem; }
.tile-name { font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tile-rate { font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.tile-meta { display: flex; gap: .4rem; align-items: center; }
.tile-ip { font-family: ui-monospace, monospace; font-size: .76rem; color: var(--muted); }
.tile-stats { display: flex; gap: .9rem; }
.tile-stat { display: flex; flex-direction: column; }
.tile-stat-v { font-size: 1rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile-stat-l { font-size: .68rem; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.tile-sparks { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.spark-wrap { display: flex; flex-direction: column; gap: .15rem; }
.spark-label { font-size: .66rem; color: var(--muted); }
.spark { width: 100%; height: 34px; display: block; background: #0c0e12; border-radius: 6px; }

/* Live feed */
.dash-feed-wrap { margin-top: 1.5rem; }
.dash-feed {
  height: 13rem; overflow-y: auto; background: #0c0e12; border: 1px solid var(--border);
  border-radius: var(--radius); padding: .5rem .6rem; font-family: ui-monospace, monospace; font-size: .78rem;
  display: flex; flex-direction: column; gap: .1rem;
}
.feed-row { display: flex; gap: .5rem; align-items: baseline; }
.feed-src { color: var(--accent); flex: 0 0 auto; }
.feed-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }

.conn-form { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem; display: flex; flex-direction: column; gap: .6rem; }
.conn-form label { display: flex; flex-direction: column; gap: .25rem; font-size: .85rem; color: var(--muted); }
.conn-form input, .conn-form select { color: var(--text); }
.conn-fields { display: flex; flex-direction: column; gap: .6rem; }
.conn-form-actions { display: flex; gap: .5rem; margin-top: .3rem; }

.control-main { min-width: 0; }
.pin-row { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem; margin: .5rem 0; }
.pin-row label { display: inline-flex; align-items: center; gap: .4rem; }
.pin-row input[type=number] { width: 5rem; }
.pin-val { color: var(--accent); font-variant-numeric: tabular-nums; }
.console-out { min-height: 5rem; max-height: 16rem; overflow-y: auto; background: #0a0c10; border: 1px solid var(--border); border-radius: 8px; padding: .5rem .6rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; line-height: 1.5; }
.console-toolbar input[type=search] { flex: 1; min-width: 8rem; }
.log-row { display: flex; gap: .6rem; white-space: pre-wrap; word-break: break-word; }
.log-ts { color: var(--muted); flex: none; font-variant-numeric: tabular-nums; }
.log-msg { flex: 1; }
.log-error .log-msg { color: var(--danger); }
.log-warn .log-msg { color: var(--warn); }
.log-ok .log-msg { color: var(--ok); }
/* Source tag chip for the unified event log (flash/ota/gdb/openocd/…). */
.log-src { flex: none; align-self: center; font-size: .68rem; line-height: 1.4; padding: 0 .35rem; border-radius: 4px; text-transform: uppercase; letter-spacing: .03em; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); }
.log-src-flash { color: var(--accent); border-color: var(--accent-d); }
.log-src-ota { color: var(--warn); border-color: #6b5a2f; }
.log-src-gdb, .log-src-openocd { color: #c4a7e7; border-color: #4a3f6b; }
.log-msg mark { background: rgba(251, 191, 36, .3); color: inherit; border-radius: 2px; }

/* Console command palette + signature hint */
.console-hint { min-height: 1.1rem; margin: .15rem 0; font-size: .78rem; color: var(--muted); font-family: ui-monospace, monospace; }
.console-palette { gap: .3rem; }
.cmd-chip { font-family: ui-monospace, monospace; font-size: .74rem; padding: .15rem .45rem; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); border-radius: 5px; cursor: pointer; }
.cmd-chip:hover { color: var(--text); border-color: var(--accent-d); }

/* Console filter: regex toggle + level chips */
.filter-toggle { font-family: ui-monospace, monospace; flex: none; }
.filter-toggle[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.log-levels { display: inline-flex; gap: .2rem; flex: none; }
.log-levels button { font-size: .72rem; padding: .15rem .4rem; opacity: .45; }
.log-levels button[aria-pressed="true"] { opacity: 1; border-color: var(--accent-d); }
.log-levels button[data-level="error"][aria-pressed="true"] { color: var(--danger); }
.log-levels button[data-level="warn"][aria-pressed="true"] { color: var(--warn); }
.log-levels button[data-level="ok"][aria-pressed="true"] { color: var(--ok); }

/* ---- Protocols view ----------------------------------------------------- */
.proto-tabs { display: flex; gap: .25rem; border-bottom: 1px solid var(--border); margin-bottom: .9rem; }
.proto-tab { background: transparent; border: 0; border-bottom: 2px solid transparent; color: var(--muted); border-radius: 0; padding: .5rem .8rem; cursor: pointer; }
.proto-tab:hover { color: var(--text); }
.proto-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.proto-pane { display: flex; flex-direction: column; gap: .6rem; }
.proto-pane label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; color: var(--muted); }
.proto-pane textarea { font-family: ui-monospace, monospace; font-size: .82rem; background: #0a0c10; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: .5rem; resize: vertical; }
#proto-target { flex: 1; min-width: 14rem; }
#proto-send-input { flex: 1; min-width: 10rem; }
#proto-log { min-height: 12rem; max-height: 48vh; }
.http-url { flex: 1; min-width: 16rem; }
.http-status-row { display: flex; align-items: center; gap: .7rem; margin: .3rem 0; }
.http-body { max-height: 40vh; overflow: auto; white-space: pre-wrap; word-break: break-word; }
#http-result h4 { margin: .7rem 0 .25rem; }

/* Always-visible console dock below the tabbed panes */
#control-panel { display: flex; flex-direction: column; min-height: 0; }
.control-panes { flex: 1 1 auto; min-height: 0; }
.console-dock { flex: none; margin-top: 1rem; border-top: 1px solid var(--border); padding-top: .6rem; }
.console-dock .dock-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .4rem; }
.console-dock .dock-title { font-size: .8rem; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
#dock-collapse { padding: .1rem .5rem; line-height: 1; background: transparent; border: 1px solid var(--border); }
.console-dock .console-out { max-height: 30vh; resize: vertical; }
.console-dock.collapsed .console-out { display: none; }
.diag-grid { display: grid; grid-template-columns: auto 1fr; gap: .15rem .8rem; margin: .4rem 0; font-size: .85rem; }
.diag-grid dt { color: var(--muted); }
.diag-grid dd { margin: 0; font-variant-numeric: tabular-nums; }
.monitor-on { border-color: var(--accent); color: var(--accent); }
.crash-report { border: 1px solid #6b2f2f; border-radius: 8px; padding: .5rem .7rem; margin: .5rem 0; background: #1a1012; }
.crash-report > summary { color: var(--danger); font-weight: 600; cursor: pointer; }
.crash-frames { margin: .5rem 0; padding-left: 1.4rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; }
.crash-frame.inlined { color: var(--muted); }
#crash-paste { width: 100%; box-sizing: border-box; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .8rem; }
#decode-crash > summary { cursor: pointer; color: var(--muted); margin: .4rem 0; }
.readout-row { display: grid; grid-template-columns: 1fr auto auto; gap: .6rem; align-items: center; padding: .4rem 0; border-bottom: 1px solid var(--border); }
.readout-val { color: var(--accent); font-variant-numeric: tabular-nums; font-size: 1.1rem; }

/* ---- Editor view -------------------------------------------------------- */
/* The textarea, the highlighted <pre>, and the gutter MUST share identical
   font metrics (family, size, line-height, padding-block) or the caret drifts
   out of alignment with the highlighted text. Change them together. */
:root { --editor-font: 13px/21px ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace; }

.editor-lang-label { display: inline-flex; align-items: center; gap: .4rem; color: var(--muted); font-size: .85rem; }
#editor-name { width: 9rem; }

.editor-layout { display: flex; gap: .8rem; align-items: stretch; }

.editor-sidebar {
  flex: 0 0 200px;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  min-width: 0;
}
.editor-new { width: 100%; }
.editor-files {
  flex: 1 1 auto;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .3rem;
  background: var(--panel);
  display: flex;
  flex-direction: column;
  gap: .15rem;
}
.editor-file {
  display: flex; align-items: center; justify-content: space-between; gap: .5rem;
  width: 100%; text-align: left; padding: .4rem .55rem; border: 0;
  background: transparent; color: var(--text); border-radius: 6px; cursor: pointer;
}
.editor-file:hover { background: var(--panel-2); }
.editor-file.active { background: var(--panel-2); box-shadow: inset 2px 0 0 var(--accent); }
.editor-file-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.editor-file-lang { flex: 0 0 auto; font-size: .72rem; color: var(--muted); border: 1px solid var(--border); border-radius: 4px; padding: 0 .3rem; }
.editor-files-empty { color: var(--muted); font-size: .85rem; padding: .5rem; margin: 0; }

#editor-wrap {
  flex: 1 1 auto;
  display: flex;
  min-width: 0;
  height: min(64vh, 620px);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: #0a0c10;
}
#editor-input:disabled { cursor: not-allowed; }

#editor-gutter {
  flex: 0 0 auto;
  padding: .7rem .6rem .7rem .8rem;
  font: var(--editor-font);
  color: var(--muted);
  text-align: right;
  white-space: pre;
  overflow: hidden;
  user-select: none;
  opacity: .55;
  border-right: 1px solid var(--border);
}

.editor-main { position: relative; flex: 1 1 auto; overflow: hidden; }

/* pre and textarea are stacked in the same box with the same metrics. */
#editor-pre, #editor-input {
  margin: 0;
  position: absolute;
  inset: 0;
  padding: .7rem .8rem;
  font: var(--editor-font);
  tab-size: 4;
  white-space: pre;
  overflow: auto;
  border: 0;
}
#editor-pre { pointer-events: none; overflow: hidden; }
#editor-pre code { font: inherit; }
#editor-input {
  background: transparent;
  color: transparent;
  caret-color: var(--text);
  resize: none;
  outline: none;
}
#editor-input::selection { background: rgba(45, 212, 191, .25); }

#editor-active-line {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 21px;
  background: rgba(255, 255, 255, .04);
  pointer-events: none;
  will-change: transform;
}

.editor-status {
  margin-top: .5rem;
  font: var(--editor-font);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* Syntax tokens */
.tok-comment   { color: #6b7280; font-style: italic; }
.tok-string    { color: #9ece6a; }
.tok-number    { color: #f0a36b; }
.tok-keyword   { color: #82aaff; }
.tok-decorator { color: #e0af68; }
.tok-preproc   { color: #c792ea; }
.tok-builtin   { color: var(--accent); }

.toast {
  position: fixed; bottom: 1.2rem; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: .7rem 1.1rem; border-radius: var(--radius); z-index: 100; box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.toast.bad { border-color: #6b2f2f; color: var(--danger); }

/* Range inputs shouldn't pick up the boxed input chrome added above. */
input[type=range] { padding: 0; border: none; background: transparent; }

/* Catalog search */
.search { min-width: 12rem; }
@media (max-width: 560px) { .search { min-width: 0; flex: 1; } }

/* Empty-state call to action */
.empty button { margin-top: .8rem; }

/* Loading skeletons */
@keyframes shimmer { to { background-position: -200% 0; } }
.skeleton {
  background: linear-gradient(90deg, var(--panel-2) 25%, var(--border) 37%, var(--panel-2) 63%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease infinite;
  border-radius: 6px;
}
.skeleton-card { pointer-events: none; }
.skeleton-line { height: .8rem; margin: .5rem 0; }
.skeleton-line.short { width: 55%; }

/* Modal dialog (reuses .drawer-backdrop for the dim layer) */
.dialog { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; }
.dialog-panel {
  position: relative; z-index: 1; width: min(420px, calc(100% - 2rem));
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.3rem; box-shadow: 0 18px 50px rgba(0,0,0,.5);
}
.dialog-title { margin: 0 0 .5rem; }
.dialog-body { margin: 0 0 1.2rem; color: var(--muted); }
.dialog-input {
  width: 100%; box-sizing: border-box; margin: 0 0 1.2rem;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px;
  color: var(--text); padding: .5rem .6rem; font-size: .9rem; font-family: var(--mono, monospace);
}
.dialog-input:focus { outline: none; border-color: var(--accent); }
.dialog-actions { display: flex; justify-content: flex-end; gap: .6rem; }

/* Site login overlay (single-user auth; covers the whole app until sign-in) */
.login-overlay {
  position: fixed; inset: 0; z-index: 200; display: flex;
  align-items: center; justify-content: center; background: rgba(0,0,0,.7);
}
.login-card {
  width: min(360px, calc(100% - 2rem));
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: 0 18px 50px rgba(0,0,0,.5);
  display: flex; flex-direction: column; gap: .8rem;
}
.login-card h2 { margin: 0 0 .3rem; }
.login-card label { display: flex; flex-direction: column; gap: .3rem; font-size: .85rem; color: var(--muted); }
.login-error { margin: 0; min-height: 1.1rem; color: var(--danger); font-size: .85rem; }

/* Editor view */
.editor-layout { display: grid; grid-template-columns: 280px 1fr; gap: 1.4rem; align-items: start; }
@media (max-width: 820px) { .editor-layout { grid-template-columns: 1fr; } }
/* Let the fixed 280px sidebar track contain its content (a grid item defaults to
 * min-width:auto, which lets wide children overflow into the main column). */
.editor-side { min-width: 0; }
.editor-side h3 { font-size: 1rem; }
.editor-main { min-width: 0; }
.editor-toolbar { margin-bottom: .6rem; }
.editor-toolbar label { display: inline-flex; align-items: center; gap: .4rem; font-size: .85rem; color: var(--muted); }

/* Project sidebar: group headers + per-item hover actions */
.proj-group-head {
  font-size: .72rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); margin: .6rem 0 .15rem; padding-left: .15rem;
}
.proj-group-head:first-child { margin-top: 0; }
.proj-actions { display: inline-flex; gap: .15rem; margin-left: auto; opacity: 0; transition: opacity .12s ease; }
.conn-item:hover .proj-actions, .conn-item.active .proj-actions { opacity: 1; }
.icon-btn {
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  border-radius: 6px; padding: .15rem .4rem; font-size: .8rem; line-height: 1.2; cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.icon-btn:disabled { opacity: .4; cursor: default; }
.icon-btn.danger:hover { border-color: var(--danger); color: var(--danger); }

/* Per-file tab strip above the code editor */
.file-tabs-bar { display: flex; align-items: center; gap: .3rem; margin-bottom: .4rem; flex-wrap: wrap; }
.file-tabs { display: flex; gap: .25rem; flex-wrap: wrap; min-width: 0; }
.file-tab {
  border: 1px solid var(--border); background: var(--panel); color: var(--muted);
  border-radius: 6px 6px 0 0; padding: .25rem .6rem; font-size: .82rem;
  font-family: var(--mono, monospace); cursor: pointer;
}
.file-tab:hover { color: var(--text); border-color: var(--accent-d); }
.file-tab.active { color: var(--text); border-color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.file-tabs-bar .icon-btn { margin-left: .1rem; }
.file-tabs-bar > .icon-btn:nth-of-type(2) { margin-left: auto; }

/* Textarea code editor with a synced line-number gutter */
.code-editor {
  display: flex;
  background: #0a0c10;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  font: .85rem/1.5 ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
.code-gutter {
  flex: 0 0 auto;
  padding: .7rem .5rem .7rem .7rem;
  margin: 0;
  text-align: right;
  color: var(--muted);
  background: var(--panel);
  border-right: 1px solid var(--border);
  white-space: pre;
  overflow: hidden;
  user-select: none;
  min-width: 2.5rem;
  height: 60vh;
}
.code-input {
  flex: 1 1 auto;
  height: 60vh;
  padding: .7rem .8rem;
  margin: 0;
  border: none;
  outline: none;
  resize: none;
  background: transparent;
  color: var(--text);
  font: inherit;
  white-space: pre;
  overflow: auto;
  tab-size: 2;
}
.code-input:focus-visible { outline: none; }
.code-editor:focus-within { border-color: var(--accent-d); }
/* MicroPython REPL (Editor) */
#mp-bar { margin-top: .6rem; flex-wrap: wrap; }
#mp-port { max-width: 16rem; }
#mp-repl { min-height: 8rem; max-height: 16rem; margin-top: .4rem; cursor: text; }
#mp-repl:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---- Fleet view (unified system-wide monitor) ---- */
/* Demoted "watch another broker" affordance + LAN rescan. */
.mon-watch-bar { align-items: center; gap: .5rem; flex-wrap: wrap; }
.mon-watch-form { display: flex; gap: .5rem; align-items: center; flex: 1; min-width: 16rem; }
.mon-watch-form.hidden { display: none; }
.mon-watch-form #mon-watch-url { flex: 1; min-width: 12rem; }
.mon-watch-form #mon-watch-topic { flex: 0 1 7rem; min-width: 5rem; }
.mon-watch-form #mon-watch-cancel { border: none; background: none; color: var(--muted); font-size: 1.1rem; line-height: 1; padding: 0 .4rem; cursor: pointer; }

.fleet-seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; flex: none; }
.fleet-seg-btn { border: none; border-radius: 0; padding: .35rem .7rem; background: var(--panel-2); color: var(--muted); }
.fleet-seg-btn + .fleet-seg-btn { border-left: 1px solid var(--border); }
.fleet-seg-btn.active { background: var(--accent); color: #06201c; font-weight: 600; }
.fleet-seg-btn:hover:not(.active) { color: var(--text); }

.fleet-body { display: grid; grid-template-columns: 15rem 1fr; gap: .8rem; margin-top: .6rem; align-items: start; }

.fleet-roster { display: flex; flex-direction: column; gap: .25rem; max-height: 62vh; overflow-y: auto; }
.fleet-roster-head { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: .2rem .1rem; }
.fleet-device { display: grid; grid-template-columns: auto 1fr auto; grid-template-rows: auto auto; gap: .1rem .4rem; text-align: left; padding: .35rem .5rem; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; align-items: center; }
.fleet-device:hover { border-color: var(--accent-d); }
.fleet-device.focused { border-color: var(--accent); background: var(--panel-2); }
.fleet-device-name { font-size: .8rem; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fleet-device-meta { grid-column: 2 / 4; font-size: .68rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.fleet-dot { width: .55rem; height: .55rem; border-radius: 50%; background: var(--ok); grid-row: 1 / 3; }
.fleet-device.offline .fleet-dot { background: var(--border); }
.fleet-device.offline .fleet-device-name { color: var(--muted); }
/* Discovered on the LAN but not connected: amber dot to distinguish from a live link. */
.fleet-device.discovered .fleet-dot { background: var(--warn); }
.fleet-device.discovered .fleet-device-meta { color: var(--warn); }

/* Source badge — same shape as .log-src, tinted per transport kind. */
.fleet-src { flex: none; align-self: center; font-size: .66rem; line-height: 1.4; padding: 0 .35rem; border-radius: 4px; text-transform: uppercase; letter-spacing: .03em; background: var(--panel-2); color: var(--muted); border: 1px solid var(--border); max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fleet-src-mqtt { color: var(--accent); border-color: var(--accent-d); }
.fleet-src-serial { color: #fbbf24; border-color: #6b5a2f; }
.fleet-src-wifi { color: #60a5fa; border-color: #2f4a6b; }
.fleet-src-tcp { color: #c4a7e7; border-color: #4a3f6b; }
.fleet-src-websocket { color: #f472b6; border-color: #6b2f50; }
.fleet-src-ble { color: #4ade80; border-color: #2f6b3f; }

.fleet-main { min-width: 0; }
#mon-merged { max-height: 62vh; }
.fleet-lanes { display: flex; gap: .6rem; overflow-x: auto; max-height: 62vh; }
.fleet-lane { display: flex; flex-direction: column; min-width: 16rem; flex: 1 1 16rem; background: #0a0c10; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.fleet-lane-head { padding: .35rem .5rem; border-bottom: 1px solid var(--border); background: var(--panel); }
.fleet-lane-body { overflow-y: auto; padding: .5rem .6rem; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .76rem; line-height: 1.5; }

/* ---- Monitoring view: clickable cards, roster focus-clear, node detail drawer ---- */
.node-tile[role="button"] { cursor: pointer; }
.node-tile[role="button"]:hover { border-color: var(--accent-d); }
.node-tile[role="button"]:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.fleet-roster-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.mon-clear-focus { font-size: .68rem; padding: .1rem .4rem; background: var(--panel-2); border: 1px solid var(--border); border-radius: 6px; color: var(--accent); cursor: pointer; }
.mon-clear-focus:hover { border-color: var(--accent); }

.mon-detail { display: flex; flex-direction: column; gap: .8rem; }
.mon-detail-head { display: flex; align-items: center; gap: .5rem; }
.mon-detail-name { margin: 0; font-size: 1.1rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mon-detail-stats { flex-wrap: wrap; gap: 1rem; }
.mon-detail-sparks { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.spark-lg { height: 80px; }
.mon-detail-actions { display: flex; gap: .5rem; }

/* Per-node media (snapshots/sounds received over MQTT). */
.mon-media-actions { flex-wrap: wrap; gap: .4rem; margin: .3rem 0 .6rem; }
.mon-media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .5rem; }
.mon-media-tile { margin: 0; display: flex; flex-direction: column; gap: .2rem; }
.mon-media-tile img { width: 100%; height: auto; border-radius: 6px; display: block; }
.mon-media-tile audio { width: 100%; }
.mon-media-tile figcaption { font-size: .75rem; color: var(--muted, #888); }
.mon-detail-lines { max-height: 40vh; overflow-y: auto; }

/* Board files (MicroPython) */
#mp-fs { margin: .3rem 0; display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.mp-fs-item { padding: .1rem .5rem; font-family: ui-monospace, monospace; font-size: .8rem; }

/* Admin usage chart */
.usage-chart { width: 100%; max-width: 640px; height: auto; background: #0a0c10; border: 1px solid var(--border); border-radius: 8px; margin: .4rem 0; }

/* Control ▸ Camera pane */
.cam-wrap { position: relative; background: #000; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; max-width: 640px; margin: .4rem 0; aspect-ratio: 4 / 3; }
#cam-view { display: block; width: 100%; height: 100%; object-fit: contain; }
.cam-error {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 1rem; color: var(--danger); background: rgba(0,0,0,.6); font-size: .9rem;
}
#media-test-out, #mic-status { font-size: .82rem; }

/* ---- Hub + sub-tab navigation ---- */
.hubs { display: flex; gap: .4rem; margin-left: 1rem; }
.hub {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: .4rem 1rem; border-radius: var(--radius); cursor: pointer; font-size: 1rem; font-weight: 550;
}
.hub:hover:not(.active) { color: var(--text); background: var(--panel-2); }
.hub.active { color: var(--bg); background: var(--accent); font-weight: 600; }

.gear {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  font-size: 1.15rem; line-height: 1; padding: .3rem .5rem; border-radius: 8px; cursor: pointer;
}
.gear:hover:not(.active) { color: var(--text); background: var(--panel-2); }
.gear.active { color: var(--accent); border-color: var(--accent-d); }

/* Secondary bar: the active hub's sub-tabs. */
.subtabs {
  display: flex; align-items: center; flex-wrap: wrap; gap: .3rem;
  padding: .45rem 1.2rem; background: var(--panel-2); border-bottom: 1px solid var(--border);
}
.subtab {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: .3rem .75rem; border-radius: 8px; cursor: pointer; font-size: .88rem;
}
.subtab:hover:not(.active) { color: var(--text); background: var(--panel); }
.subtab.active { color: var(--accent); border-color: var(--accent-d); background: var(--panel); font-weight: 600; }
/* "Monitor:" group label that precedes the monitoring sub-tabs. */
.subtab-group {
  color: var(--muted); font-size: .72rem; text-transform: uppercase; letter-spacing: .05em;
  margin-left: .5rem; padding-left: .7rem; border-left: 1px solid var(--border);
}
/* The first cluster label leads the bar — no dangling divider to its left. */
.subtab-group:first-child { margin-left: 0; padding-left: 0; border-left: none; }

/* ---- Responsive: small screens ---- */
@media (max-width: 640px) {
  .fleet-body { grid-template-columns: 1fr; } /* roster stacks above the stream */
  .fleet-roster { max-height: 30vh; }
}
@media (max-width: 600px) {
  .broker-bar input { min-width: 0; } /* stop forcing horizontal scroll */
}
@media (max-width: 420px) {
  .topbar { gap: .5rem; padding: .5rem .7rem; }
  .topbar h1 { font-size: 1rem; }
  .hubs { margin-left: .4rem; }
  .hub { padding: .35rem .6rem; font-size: .9rem; }
}

/* ---- Channels (pin/mode/signal I/O bindings) ---- */
.channel-head { margin-bottom: .6rem; }
.channel-form {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .7rem;
  margin-bottom: .8rem;
  background: var(--panel-2);
  display: grid;
  gap: .6rem;
}
.channel-fields { display: flex; flex-wrap: wrap; gap: .6rem; }
.channel-field { display: grid; gap: .2rem; font-size: .85rem; }
.channel-field-label { color: var(--muted); }
.channel-field.hidden { display: none; }
.channel-actions { display: flex; gap: .5rem; }
.channel-list { display: grid; gap: .55rem; }
.channel-row {
  display: flex;
  align-items: center;
  gap: .8rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .6rem .7rem;
  background: var(--panel);
}
.channel-row-head { display: grid; gap: .15rem; min-width: 9rem; }
.channel-row-body { display: flex; align-items: center; gap: .9rem; flex: 1; }
.channel-name { font-weight: 600; }
.small { font-size: .78rem; }
.channel-readout { display: flex; align-items: baseline; gap: .2rem; min-width: 5rem; }
.channel-value { font-size: 1.5rem; font-variant-numeric: tabular-nums; color: var(--accent); }
.channel-unit { color: var(--muted); font-size: .85rem; }
.channel-spark { background: #0c0e12; border-radius: 4px; }
.channel-slider-wrap { display: flex; align-items: center; gap: .6rem; flex: 1; }
.channel-slider { flex: 1; }
button.icon { padding: .15rem .5rem; line-height: 1; font-size: 1.1rem; margin-left: auto; }
.detail-head { display: flex; align-items: center; gap: .8rem; margin-bottom: .8rem; }
.detail-head h3 { margin: 0; font-size: 1rem; }
.channel-host { max-width: 720px; }
.inline-field { display: inline-flex; align-items: center; gap: .4rem; color: var(--muted); font-size: .85rem; }
.monitor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: .6rem; }
.monitor-tile {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .6rem .7rem;
  background: var(--panel);
  display: grid;
  gap: .3rem;
}
.monitor-tile.offline { opacity: .55; }
.monitor-tile-head { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }

/* ---- Oscilloscope ---- */
.scope-controls { display: flex; flex-wrap: wrap; gap: .7rem; align-items: center; margin-bottom: .6rem; }
.scope-channels { display: flex; flex-wrap: wrap; gap: .9rem; margin-bottom: .6rem; }
.scope-chan { display: inline-flex; align-items: center; gap: .35rem; font-size: .85rem; }
.scope-swatch { width: .8rem; height: .8rem; border-radius: 2px; display: inline-block; }
.scope-canvas { width: 100%; max-width: 720px; border: 1px solid var(--border); border-radius: 6px; display: block; }
.scope-meas { margin-top: .5rem; font-variant-numeric: tabular-nums; }

/* ---- Pin Bench scope panel ---- */
.pin-bench-scope { margin-top: .6rem; }
.pin-bench-scope:empty { margin-top: 0; }