/* Component-scoped styles. Colour/spacing come from tokens.css only.
   Selectors are namespaced by the custom element so one component can never
   repaint another. */

/* ---------- app shell ---------- */
app-shell { padding: 0; }

.topbar {
  position: relative;
  min-block-size: var(--topbar-h);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-inline: var(--space-4);
  background: var(--bg-elevated);
  border-inline-size-start: 0;
  border-inline-start: 0;
  border-inline-start: 2px solid var(--accent);
}
.brand { display: flex; align-items: center; gap: var(--space-2); }
.brand h1 {
  font: var(--text-base)/1 var(--font-mono);
  color: var(--fg);
  letter-spacing: .08em;
  text-transform: lowercase;
}
.brand .mark {
  inline-size: 1.2em; block-size: 1.2em;
  color: var(--accent);
  flex: 0 0;
}
.brand .sub { color: var(--fg-subtle); font: var(--text-xs) var(--font-sans); }

.top-strip {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-inline-start: auto;
  color: var(--fg-muted);
  font: var(--text-sm) var(--font-mono);
}
.top-strip > * { display: flex; align-items: center; gap: var(--space-1); }
.top-strip .vram-chip .bar {
  inline-size: 96px;
  block-size: 8px;
  border-radius: var(--radius-full);
  background:
    linear-gradient(90deg, var(--accent-dim), var(--accent)) no-repeat;
  background-size: calc(var(--vram-frac, 0) * 100%) 100%;
  transition: background-size var(--duration-slow) var(--ease-spring);
}
.top-strip .live .dot {
  inline-size: 10px; block-size: 10px;
  border-radius: var(--radius-full);
  background: var(--busy);
  transition: background var(--duration-base) var(--ease-out);
}
.top-strip .live[data-state="stale"] .dot { background: var(--warn); }
.top-strip .live[data-state="offline"] .dot { background: var(--bad); }
.top-strip .ws-state .dot { background: var(--busy); }
.top-strip .ws-state[data-state="reconnect"] .dot { background: var(--warn); }
.top-strip .ws-state[data-state="poll"] .dot { background: var(--warn); }
.top-strip .ws-state[data-state="off"] .dot { background: var(--fg-subtle); }
.top-strip .queue-chip { color: var(--fg-muted); }
.top-strip .queue-chip[data-full="1"] { color: var(--warn); }

.tabs {
  display: flex;
  gap: var(--space-1);
  padding-inline: var(--space-4);
  min-block-size: var(--touch);
  background: var(--bg);
  border-block-start: 1px solid var(--border);
}
.tab { color: var(--fg-muted); }
.tab[aria-current="true"] {
  color: var(--fg);
  background: var(--bg-elevated);
}
.tab[aria-current="true"]::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  block-size: 2px;
  background: var(--accent);
}
.tabs { position: relative; }
.tab:disabled { color: var(--fg-subtle); }
.tab:focus-visible { background: var(--bg-hover); }

.key-banner {
  display: none;
  pointer-events: none;
  position: absolute;
  inset: calc(-1 * var(--space-5)) var(--space-4) auto var(--space-4);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border-inline-start: 3px solid var(--warning);
  color: var(--fg);
  font: var(--text-sm) var(--font-sans);
}
.key-banner.set { display: block; }
.key-banner code { color: var(--accent); }

.tab-view, .tab-body { border: 0; }
.tab-body { padding: var(--space-3) var(--space-4); }

/* ---------- model cards ---------- */
#model-grid {
  grid-area: cards;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-2);
  align-content: start;
}

model-card {
  container: card;
  display: block;
  padding: var(--space-3);
  min-block-size: var(--card-min-h);
}
.card {
  inline-size: 100%;
  block-size: 100%;
  position: relative;
  display: grid;
  grid-template-areas:
    "title"
    "meta"
    "act";
  gap: var(--space-2);
  background: var(--bg-elevated);
  border-inline-size-start: 3px solid var(--fg-subtle);
  border-inline-start: 3px solid var(--fg-subtle);
  border-block-end: 3px solid transparent;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-inline-start-color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
}
.card[data-state="loaded"] { border-inline-start: 3px solid var(--busy); }
.card[data-state="loading"] { border-inline-start: 3px solid var(--transit); }
.card[data-state="unloading"] { border-inline-start: 3px solid var(--warn); }
.card[data-state="error"] { border-inline-start: 3px solid var(--bad); }
.card[data-state="unknown"] { border-inline-start: 3px solid var(--fg-muted); }

.card .title {
  grid-area: title;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.card .title h2 {
  font: var(--text-lg)/1 var(--font-mono);
  color: var(--fg);
  flex: 1 1 0;
  text-transform: none;
  letter-spacing: 0;
}
.card .state-dot {
  display: inline-grid;
  inline-size: 12px; block-size: 12px;
  border-radius: var(--radius-full);
  background: var(--idle);
  transition: background var(--duration-base) var(--ease-out);
}
.card .state-dot[data-state="loaded"] { background: var(--busy); }
.card .state-dot[data-state="loading"] { background: var(--transit); }
.card .state-dot[data-state="unloading"] { background: var(--warn); }
.card .state-dot[data-state="error"] { background: var(--bad); }
.card .state-dot[data-state="loading"]::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-full);
  border-inline-width: 2px;
  border-style: solid;
  border-color: var(--transit) transparent transparent transparent;
  animation: spin 900ms linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.card .backend-pill {
  display: inline-grid;
  padding-inline: var(--space-2);
  block-size: 18px;
  border-radius: var(--radius-full);
  background: var(--bg-hover);
  color: var(--fg);
  font: var(--text-xs) var(--font-sans);
}
.card .backend-pill[data-backend="strata"] {
  background: color-mix(in oklab, var(--strata) 28%, transparent);
  color: #e7e1ff;
}
.card .backend-pill[data-backend="ollama"] {
  background: color-mix(in oklab, var(--ollama) 26%, transparent);
  color: #ffe1d1;
}

/* Stacked, not on one line: the pill, the VRAM claim and the state sentence
   together are wider than a card, and a nowrap flex row would let them run
   into each other. Each line gets its own row. */
.card .meta {
  grid-area: meta;
  display: flex;
  flex-direction: column;
  align-items: start;
  gap: var(--space-1);
  color: var(--fg-muted);
  font: var(--text-sm) var(--font-mono);
}
.card .meta .vram { color: var(--fg-muted); }
.card .meta .vram[data-high="1"] { color: var(--warn); }

/* Three equal columns: the buttons always fit the card and never wrap. The
   global button rule gives 16px of inline padding and a 64px floor, which is
   wider than three buttons inside a 220px card. */
.card .act {
  grid-area: act;
  display: grid;
  grid-template-columns: repeat(3, minmax(1fr, 56px));
  gap: var(--space-2);
  align-items: center;
  padding: 0;
}
.card button.act {
  block-size: var(--touch);
  font: var(--text-xs) var(--font-sans);
  padding-inline: var(--space-1);
  place-content: center;
  border-inline-width: 0;
  color: var(--fg-muted);
}
.card button.act:hover:not(:disabled) { background: var(--bg-hover); color: var(--fg); }
.card button.act[data-action="load"] { border-inline-start: 2px solid var(--accent); }
.card button.act[data-action="unload"] { border-inline-start: 2px solid var(--warning); }
.card button.act[data-action="restart"] { border-inline-start: 2px solid var(--accent); }
.card button.act:disabled { color: var(--fg-subtle); }

.card.selected { background: var(--bg-hover); }
.card.selected::before {
  content: "";
  position: absolute;
  inset: -3px;
  border-inline-start: 0;
  border-inline-width: 2px;
  border-style: solid;
  border-color: var(--accent);
  border-radius: var(--radius-md);
}
.card:focus-visible { outline-offset: 4px; }

/* ---------- vram gauge ---------- */
#vram-meter-slot { grid-area: gauge; }
vram-meter { inline-size: 100%; block-size: var(--gauge-size); }
.gauge {
  inline-size: var(--gauge-size);
  block-size: var(--gauge-size);
  display: block;
}
.gauge svg { display: block; overflow: visible; }
.gauge-track {
  fill: none;
  stroke: var(--border);
  stroke-linecap: round;
}
.gauge-seg {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--duration-slow) var(--ease-spring),
              stroke-dasharray var(--duration-slow) var(--ease-spring),
              stroke var(--duration-base) var(--ease-out);
}
/* The readout lives INSIDE the hole. The ring is r=66 with a 16px stroke, so
   the free circle is r=58 around (84,84): 116px of clearance at the centre and
   less further down. These sizes and the baselines in vram-meter.js are chosen
   together; if you change one, change the other. */
.gauge text {
  pointer-events: none;   /* the arcs, not the numbers, take the hover */
  font-variant-numeric: tabular-nums;
}
.gauge-readout {
  font: var(--text-xl)/1 var(--font-mono);
  fill: var(--fg);
}
.gauge-readout[data-empty="1"] { fill: var(--fg-subtle); }
.gauge-sub {
  font: 12px/1 var(--font-mono);
  fill: var(--fg-muted);
}
.gauge-sub[data-empty="1"] { fill: var(--fg-subtle); }
.gauge-gpu {
  font: 10px/1 var(--font-mono);
  letter-spacing: .06em;
  fill: var(--fg-subtle);
}
.gauge-gpu[data-gpu="busy"] { fill: var(--busy); }
.gauge-gpu[data-gpu="free"] { fill: var(--fg-muted); }
.gauge .tooltip { pointer-events: auto; }
.gauge g.seg-group:hover .seg { stroke-width: 20px; }
.sr-live { position: static; }

/* ---------- metrics panel ---------- */
#metrics-slot { grid-area: detail; }
metrics-panel { inline-size: 100%; }
.metrics {
  display: grid;
  grid-template-areas:
    "rate rate"
    "ctx hist";
  gap: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.metrics .rate {
  grid-area: rate;
  display: grid;
  grid-template-areas: "big spark";
  gap: var(--space-2);
  align-items: center;
}
.metrics .rate .big {
  grid-area: big;
  display: grid;
  grid-template-areas:
    "n unit";
  gap: 0;
  inline-size: 132px;
}
.metrics .rate .big .n {
  font: var(--text-xl)/.9 var(--font-mono);
  color: var(--fg);
  font-variant-numeric: tabular-nums;
  grid-area: n;
}
.metrics .rate .big .n[data-empty="1"] { color: var(--fg-subtle); }
.metrics .rate .big .unit {
  grid-area: unit;
  color: var(--fg-muted);
  font: var(--text-sm) var(--font-sans);
}
.metrics .spark {
  grid-area: spark;
  inline-size: min(180px, 40%);
  block-size: 40px;
  position: relative;
}
.metrics .spark svg { block-size: 40px; inline-size: 100%; display: block; }
.metrics .spark .trace {
  fill: none;
  stroke-width: 1.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}
.metrics .spark .area { stroke: none; opacity: .18; }
.metrics .spark .trace[data-kind="prefill"] { stroke: var(--accent); }
.metrics .spark .trace[data-kind="gen"] { stroke: var(--success); }
.metrics .spark .area[data-kind="prefill"] { fill: var(--accent); }
.metrics .spark .area[data-kind="gen"] { fill: var(--success); }
.metrics .spark .grid { stroke: var(--border); stroke-width: 1; }
.metrics .spark .empty { stroke: var(--fg-subtle); stroke-dasharray: 3 3; }

.metrics .ctx {
  grid-area: ctx;
  display: grid;
  grid-template-areas:
    "label"
    "bar";
  gap: var(--space-1);
  align-items: start;
  justify-items: start;
  min-inline-size: 100%;
}
.metrics .ctx .label {
  grid-area: label;
  color: var(--fg-muted);
  font: var(--text-xs)/1.3 var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.metrics .ctx .bar {
  grid-area: bar;
  inline-size: 100%;
  block-size: 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-hover);
}
.metrics .ctx .bar > i {
  display: block;
  block-size: 100%;
  border-radius: var(--radius-sm);
  background: var(--accent);
  transition: width var(--duration-base) var(--ease-out);
}
.metrics .ctx .bar > i[data-overflow="1"] { background: var(--warning); }

.metrics .history {
  grid-area: hist;
  display: grid;
  grid-template-areas:
    "head"
    "chart";
  gap: var(--space-2);
}
.metrics .history .head {
  grid-area: head;
  color: var(--fg-muted);
  font: var(--text-xs)/1.3 var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.metrics .history svg {
  grid-area: chart;
  block-size: 128px;
  inline-size: 100%;
  display: block;
}
.metrics .history .area-chart { fill: var(--accent); opacity: .22; stroke: none; }
.metrics .history .line-chart { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.metrics .history .axis { stroke: var(--border); stroke-width: 1; }
.metrics .history .empty-state {
  grid-area: chart;
  block-size: 128px;
  place-content: center;
  color: var(--fg-subtle);
  font: var(--text-sm) var(--font-sans);
}

.metrics .empty-state { color: var(--fg-subtle); font: var(--text-sm) var(--font-sans); }

/* ---------- settings ---------- */
#settings-slot { grid-area: settings; }
settings-view {
  display: grid;
  grid-template-areas:
    "key"
    "theme"
    "settings";
  align-content: start;
}
.config-editor { display: grid; align-content: start; }

details.model-config {
  display: grid;
  grid-template-areas:
    "head"
    "body";
  gap: 0;
  padding: var(--space-3);
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-inline-start-color var(--duration-base) var(--ease-out);
}
details.model-config > summary {
  grid-area: head;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--touch);
  color: var(--fg);
  font: var(--text-sm) var(--font-sans);
  list-style-position: inside;
}
details.model-config summary:focus-visible { background: var(--bg-hover); }
details.model-config summary .name {
  color: var(--fg);
  font: var(--text-base) var(--font-mono);
}
details.model-config summary .state {
  inline-size: 10px; block-size: 10px;
  border-radius: var(--radius-full);
  background: var(--idle);
  transition: background var(--duration-base) var(--ease-out);
}
details.model-config summary .state[data-state="loaded"] { background: var(--busy); }
details.model-config summary .state[data-state="loading"] { background: var(--transit); }
details.model-config summary .state[data-state="unloading"] { background: var(--warn); }
details.model-config summary .state[data-state="error"] { background: var(--bad); }
details.model-config summary .state[data-state="unknown"] { background: var(--fg-muted); }

details.model-config .body {
  grid-area: body;
  display: grid;
  gap: var(--space-3);
  padding: 0;
}
details.model-config .fields {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}
details.model-config .field {
  display: grid;
  grid-template-areas:
    "label value";
  gap: var(--space-2);
  align-items: center;
  min-block-size: var(--touch);
  border-inline-start: 3px solid transparent;
  border-radius: var(--radius-sm);
  transition: border-inline-start-color var(--duration-base) var(--ease-out);
}
details.model-config .field label {
  grid-area: label;
  display: flex;
  gap: var(--space-2);
  align-items: center;
  color: var(--fg-muted);
  font: var(--text-sm) var(--font-mono);
}
details.model-config .field label .invalid {
  display: block;
  color: var(--bad);
  font: var(--text-xs) var(--font-sans);
}
details.model-config .field value {
  grid-area: value;
  display: grid;
  justify-items: start;
  min-inline-size: var(--touch);
}
details.model-config .field input,
details.model-config .field textarea {
  display: inline-grid;
  inline-size: 100%;
  block-size: var(--touch);
  background: var(--bg-hover);
  color: var(--fg);
  border-inline-width: 1px;
  border-style: solid;
  border-color: var(--border);
  border-radius: var(--radius-sm);
  font: var(--text-sm) var(--font-mono);
  padding-inline: var(--space-2);
}
details.model-config .field input[type="checkbox"] {
  inline-size: var(--touch);
  block-size: var(--touch);
  padding-inline: 0;
}
details.model-config .field .choices {
  display: grid;
  grid-auto-flow: column;
  gap: var(--space-2);
}
details.model-config .field .choices button {
  display: inline-grid;
  block-size: var(--touch);
  min-inline-size: var(--touch);
  border-inline-width: 0;
  color: var(--fg-muted);
}
details.model-config .field .choices button[aria-pressed="true"] {
  color: var(--fg);
  background: var(--bg-hover);
}
details.model-config .field[data-origin="default"] { border-inline-start: 3px solid var(--ok); }
details.model-config .field[data-origin="override"] { border-inline-start: 3px solid var(--accent); }
details.model-config .field[data-origin="invalid"] { border-inline-start: 3px solid var(--bad); }
details.model-config .field input.invalid { border-inline-width: 2px; border-color: var(--bad); }
details.model-config .field[data-origin="invalid"] label { color: var(--bad); }

details.model-config .danger {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--touch);
}
details.model-config .danger h3 {
  color: var(--fg-muted);
  font: var(--text-xs) var(--font-sans);
  text-transform: uppercase;
  letter-spacing: .1em;
}
details.model-config .danger button.reset {
  block-size: var(--touch);
  font: var(--text-sm) var(--font-sans);
  border-inline-start: 3px solid var(--bad);
  color: var(--fg-muted);
}
details.model-config .danger button.reset:hover:not(:disabled) { background: var(--bg-hover); color: var(--fg); }
details.model-config .danger button.reset:disabled { color: var(--fg-subtle); }

/* ---------- toasts ---------- */
toast-panel {
  position: fixed;
  inset: auto var(--space-4) var(--space-4) auto;
  inline-size: min(420px, 46vw);
  display: grid;
  justify-items: end;
  gap: var(--space-2);
  z-index: var(--z-toast);
}
.toast-stack {
  display: grid;
  grid-auto-flow: dense;
  align-content: end;
  justify-items: end;
  inline-size: 100%;
  position: relative;
}

.toast {
  display: grid;
  grid-template-areas:
    "icon msg undo"
    ".    meta undo";
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border-inline-start: 3px solid var(--fg-muted);
  box-shadow: var(--shadow-md);
  color: var(--fg);
  font: var(--text-sm) var(--font-sans);
  transform: translate(24px, 0) scale(.95);
  opacity: 0;
  transition: transform 150ms var(--ease-spring), opacity 150ms var(--ease-out);
}
.toast.entered { transform: translate(0, 0) scale(1); opacity: 1; }
.toast.leaving { transform: translate(0, -8px) scale(.95); opacity: 0; }
.toast[data-kind="success"] { border-inline-start: 3px solid var(--ok); }
.toast[data-kind="info"] { border-inline-start: 3px solid var(--accent); }
.toast[data-kind="warning"] { border-inline-start: 3px solid var(--warn); }
.toast[data-kind="error"] { border-inline-start: 3px solid var(--bad); }
/* icon() returns a bare <svg> with only a viewBox, so it needs an explicit
   size: unstyled it would come out at the default 300x150 replaced-element
   box and shove the whole toast apart. */
.toast > svg {
  grid-area: icon;
  inline-size: 16px;
  block-size: 16px;
  color: var(--fg-muted);
}
.toast .msg { grid-area: msg; max-inline-size: 100%; }
.toast .meta { grid-area: meta; color: var(--fg-muted); font: var(--text-xs) var(--font-mono); }
.toast button.undo {
  grid-area: undo;
  block-size: var(--touch);
  inline-size: var(--touch);
  padding: 0;
  border-inline-width: 0;
  color: var(--fg-muted);
  font: var(--text-xs) var(--font-mono);
}
.toast button.undo:hover:not(:disabled) { background: var(--bg-hover); color: var(--fg); }
.toast button.undo:disabled { visibility: hidden; }

/* ---------- shared ---------- */
.panel {
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--space-3);
}
.sr-live-only { color: var(--fg-subtle); font: var(--text-xs) var(--font-sans); }

/* ---------- settings chrome: key row + theme toggle ---------- */
.key-row { grid-area: key; }
.theme-row {
  grid-area: theme;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.key-row h3 {
  color: var(--fg-muted);
  font: var(--text-xs) var(--font-sans);
  text-transform: uppercase;
  letter-spacing: .1em;
}
.key-line {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-block-size: var(--touch);
}
.key-line label { color: var(--fg-muted); font: var(--text-sm) var(--font-sans); }
.key-line input {
  display: inline-grid;
  inline-size: min(280px, 50%);
  block-size: var(--touch);
  background: var(--bg-hover);
  color: var(--fg);
  border-inline-width: 1px;
  border-style: solid;
  border-color: var(--border);
  border-radius: var(--radius-sm);
  font: var(--text-sm) var(--font-mono);
  padding-inline: var(--space-2);
}
.key-line input:focus-visible { border-color: var(--accent); }
.key-line .note { color: var(--fg-subtle); font: var(--text-xs) var(--font-sans); }
button.theme-toggle {
  block-size: var(--touch);
  min-inline-size: var(--touch);
  font: var(--text-sm) var(--font-sans);
  border-inline-width: 0;
  color: var(--fg-muted);
}
button.theme-toggle:hover:not(:disabled),
button.theme-toggle:focus-visible { background: var(--bg-hover); color: var(--fg); }
button.theme-toggle[aria-pressed="true"] { background: var(--bg-hover); color: var(--fg); }

/* ---------- metrics tab panel headings ---------- */
.panel h3 {
  color: var(--fg);
  font: var(--text-sm) var(--font-mono);
  margin-bottom: var(--space-2);
}

/* ---------- config save button (next to reset) ---------- */
details.model-config .danger button.save {
  block-size: var(--touch);
  font: var(--text-sm) var(--font-sans);
  border-inline-start: 3px solid var(--accent);
  color: var(--fg-muted);
}
details.model-config .danger button.save:hover:not(:disabled) { background: var(--bg-hover); color: var(--fg); }
details.model-config .danger button.save:disabled { color: var(--fg-subtle); }

/* ---------- boot error sink (errhook.js): page-visible JS errors ---------- */
.js-err {
  position: fixed;
  inset-inline: var(--space-4);
  bottom: var(--space-4);
  font: var(--text-xs) var(--font-mono);
  color: var(--bad);
  background: var(--bg-elevated);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
  z-index: var(--z-toast);
  pointer-events: none;
}