/* Ollama Cluster Router — management UI.
   A single dark operations theme: this is a wall-display dashboard, and one well-tuned
   palette reads better at a glance than a theme that has to work twice. */

:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c232c;
  --line: #2a323d;
  --text: #e6edf3;
  --muted: #8b949e;
  --dim: #6e7681;

  --ok: #3fb950;
  --busy: #58a6ff;
  --warn: #d29922;
  --bad: #f85149;
  --pin: #bc8cff;

  --radius: 10px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

* { box-sizing: border-box; }

/* The `hidden` attribute only gets `display: none` from the user-agent stylesheet, so ANY
   author rule setting `display` silently overrides it. `.login` sets `display: grid`, which
   left the login overlay covering the whole viewport after a successful sign-in — the
   dashboard rendered underneath, invisible, and the UI looked like it had rejected the key.
   This makes `hidden` authoritative for every element that uses it. */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

/* --- top bar --------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--busy); font-size: 18px; }
.brand h1 { font-size: 15px; font-weight: 600; margin: 0; letter-spacing: .2px; }

.conn {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.conn-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--dim);
}
.conn[data-state="live"] .conn-dot { background: var(--ok); box-shadow: 0 0 0 3px rgb(63 185 80 / .15); }
.conn[data-state="connecting"] .conn-dot { background: var(--warn); animation: pulse 1.2s ease-in-out infinite; }
.conn[data-state="down"] .conn-dot { background: var(--bad); }

@keyframes pulse { 50% { opacity: .3; } }

/* --- stat strip ------------------------------------------------------------ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.stat { background: var(--panel); padding: 14px 24px; }
.stat-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--dim);
}
.stat-value {
  font: 600 22px/1.2 var(--mono);
  font-variant-numeric: tabular-nums;
  margin-top: 3px;
}
.stat-sub { font-size: 11px; color: var(--muted); margin-top: 2px; }
.stat-value.is-bad { color: var(--bad); }
.stat-value.is-warn { color: var(--warn); }

/* --- layout ---------------------------------------------------------------- */

main { padding: 24px; max-width: 1600px; margin: 0 auto; }

.section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--dim);
  font-weight: 600;
  margin: 0 0 12px;
}
.section-title:not(:first-child) { margin-top: 32px; }

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 16px;
}

/* --- node card ------------------------------------------------------------- */

.node {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.node[data-status="unreachable"] { opacity: .62; }
.node[data-quarantined="true"] { border-color: color-mix(in srgb, var(--bad) 45%, var(--line)); }

.node-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.node-id { font-weight: 600; font-size: 15px; }

.node-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--muted);
}
.node-status::before {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--dim);
}
[data-status="idle"]        .node-status::before { background: var(--dim); }
[data-status="serving"]     .node-status::before { background: var(--ok); }
[data-status="loading"]     .node-status::before { background: var(--warn); }
[data-status="unreachable"] .node-status::before { background: var(--bad); }

.node-addr {
  font: 11px/1.4 var(--mono);
  color: var(--dim);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* VRAM bar: resident weights, KV reservation, and free, to scale. */
.vram { display: flex; flex-direction: column; gap: 5px; }
.vram-meta {
  display: flex;
  justify-content: space-between;
  font: 11px var(--mono);
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.vram-bar {
  height: 8px;
  border-radius: 4px;
  background: var(--panel-2);
  overflow: hidden;
  display: flex;
}
.vram-seg { height: 100%; }
.vram-seg.weights { background: var(--busy); }
.vram-seg.kv { background: color-mix(in srgb, var(--busy) 45%, transparent); }
.vram-bar.is-tight .vram-seg.weights { background: var(--warn); }

.slots { display: flex; flex-direction: column; gap: 5px; }
.slot {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  background: var(--panel-2);
  border-radius: 6px;
  font-size: 12px;
}
.slot-name { font-family: var(--mono); flex: 1; overflow-wrap: anywhere; }
.slot-vram { color: var(--muted); font: 11px var(--mono); font-variant-numeric: tabular-nums; }
.slot-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 999px;
  border: 1px solid currentColor;
  white-space: nowrap;
}
.slot-badge.pinned { color: var(--pin); }
.slot-badge.expiry { color: var(--dim); }
.slot-badge.inflight { color: var(--ok); }

.empty { color: var(--dim); font-size: 12px; font-style: italic; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font: 10px var(--mono);
  padding: 2px 7px;
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--muted);
}
.tag.bad { color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, transparent); }
.tag.warn { color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, transparent); }

/* --- queues ---------------------------------------------------------------- */

table.queues {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
table.queues th, table.queues td {
  text-align: left;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}
table.queues th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--dim);
  font-weight: 600;
}
table.queues tr:last-child td { border-bottom: none; }
table.queues td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
table.queues td.model { font-family: var(--mono); }

footer {
  padding: 16px 24px 32px;
  color: var(--dim);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

/* --- buttons --------------------------------------------------------------- */

.topbar-right { display: flex; align-items: center; gap: 16px; }

.btn {
  font: 500 12px var(--sans);
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 5px 11px;
  cursor: pointer;
}
.btn:hover:not(:disabled) { border-color: var(--busy); color: var(--busy); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn:focus-visible { outline: 2px solid var(--busy); outline-offset: 2px; }
.btn-warn:hover:not(:disabled) { border-color: var(--warn); color: var(--warn); }
.btn-quiet { background: transparent; color: var(--muted); }

.node-actions {
  display: flex;
  gap: 7px;
  flex-wrap: wrap;
  padding-top: 11px;
  border-top: 1px solid var(--line);
}
.node[data-drained="true"] { border-color: color-mix(in srgb, var(--warn) 45%, var(--line)); }

/* --- login ----------------------------------------------------------------- */

.login {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg);
  z-index: 100;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px;
  width: min(360px, calc(100vw - 40px));
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.login-card h2 { margin: 0; font-size: 17px; }
.login-hint { margin: 0; color: var(--muted); font-size: 13px; }
.login-card input {
  font: 14px var(--mono);
  padding: 9px 11px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
}
.login-card input:focus { outline: 2px solid var(--busy); outline-offset: 1px; }
.login-card button {
  font: 600 14px var(--sans);
  padding: 9px;
  border-radius: 6px;
  border: none;
  background: var(--busy);
  color: #04101f;
  cursor: pointer;
}
.login-error { margin: 0; color: var(--bad); font-size: 13px; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- toasts ---------------------------------------------------------------- */

.toasts {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 200;
}
.toast {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-left-width: 3px;
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 13px;
  max-width: 340px;
  box-shadow: 0 6px 20px rgb(0 0 0 / .35);
}
.toast-info { border-left-color: var(--busy); }
.toast-warn { border-left-color: var(--warn); }
.toast-bad  { border-left-color: var(--bad); }

/* --- tabs ------------------------------------------------------------------ */

.tabs {
  display: flex;
  gap: 4px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}
.tab {
  font: 500 13px var(--sans);
  color: var(--muted);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: 11px 14px;
  cursor: pointer;
}
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { color: var(--busy); border-bottom-color: var(--busy); }
.tab:focus-visible { outline: 2px solid var(--busy); outline-offset: -2px; }

/* --- pull form ------------------------------------------------------------- */

.pull-form { display: flex; gap: 9px; flex-wrap: wrap; }
.pull-form input {
  font: 13px var(--mono);
  padding: 8px 11px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  min-width: 260px;
  flex: 1;
  max-width: 420px;
}
.pull-form input:focus { outline: 2px solid var(--busy); outline-offset: 1px; }
.btn-primary { background: var(--busy); color: #04101f; border-color: var(--busy); font-weight: 600; }
.btn-primary:hover:not(:disabled) { color: #04101f; opacity: .9; }
.btn-danger:hover:not(:disabled) { border-color: var(--bad); color: var(--bad); }
.form-hint { color: var(--dim); font-size: 12px; margin: 9px 0 0; }
/* A hint about a setting that can take a node out of memory, not a stylistic preference. */
.form-warn {
  border-left: 2px solid var(--warn);
  padding-left: 10px;
  color: var(--muted);
}

/* --- download jobs --------------------------------------------------------- */

.job {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 10px;
}
.job-head { display: flex; justify-content: space-between; align-items: baseline; }
.job-model { font: 600 14px var(--mono); }
.job-pct { font: 600 14px var(--mono); color: var(--busy); font-variant-numeric: tabular-nums; }
.job-error { color: var(--bad); font-size: 12px; margin-top: 6px; }

.job-node {
  display: grid;
  grid-template-columns: 90px 1fr 150px;
  align-items: center;
  gap: 11px;
  margin-top: 9px;
}
.job-node-id { font: 11px var(--mono); color: var(--muted); }
.job-node-detail {
  font: 11px var(--mono);
  color: var(--dim);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.progress { height: 6px; border-radius: 3px; background: var(--panel-2); overflow: hidden; }
.progress-fill { height: 100%; background: var(--busy); transition: width .3s ease; }
.progress-fill[data-state="pulled"] { background: var(--ok); }
.progress-fill[data-state="skipped"] { background: var(--dim); }
.progress-fill[data-state="failed"] { background: var(--bad); }

/* --- model matrix ---------------------------------------------------------- */

.matrix-wrap { overflow-x: auto; }  /* wide clusters scroll here, not the page */

table.matrix {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
table.matrix th, table.matrix td {
  padding: 9px 13px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  text-align: left;
  white-space: nowrap;
}
table.matrix th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--dim);
  font-weight: 600;
}
table.matrix tr:last-child td { border-bottom: none; }
table.matrix td.model { font-family: var(--mono); white-space: normal; }
table.matrix td.num { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--muted); }
table.matrix td.model .tag { margin-left: 7px; }

.cell { text-align: center; }
.cell span {
  display: inline-block;
  font: 10px var(--mono);
  padding: 2px 8px;
  border-radius: 999px;
}
.cell[data-state="loaded"]  span { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.cell[data-state="disk"]    span { background: var(--panel-2); color: var(--muted); }
.cell[data-state="pulling"] span { background: color-mix(in srgb, var(--busy) 18%, transparent); color: var(--busy); }
.cell[data-state="missing"] span { background: color-mix(in srgb, var(--warn) 15%, transparent); color: var(--warn); }
.cell[data-state="failed"]  span { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }
.cell[data-state="absent"]  span { color: var(--dim); }

.row-actions { text-align: right; }

/* --- pills (request outcomes, key status) ---------------------------------- */

.pill {
  font: 10px var(--mono);
  padding: 2px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.pill-ok   { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.pill-warn { background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn); }
.pill-bad  { background: color-mix(in srgb, var(--bad) 16%, transparent); color: var(--bad); }

/* The correlation id, under the timestamp. Selectable so it can be copied into a search. */
.req-id {
  margin-top: 2px;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--muted);
  user-select: all;
}

/* A fault tag is a button — it must look like the tags beside it but invite a click. */
.tag-btn {
  border: 1px dashed currentColor;
  cursor: pointer;
  font: inherit;
}
.tag-btn:hover { filter: brightness(1.25); }
.tag-btn[aria-expanded="true"] { border-style: solid; }

.fault-panel {
  margin: 8px 0 4px;
  padding: 8px 10px;
  border-left: 2px solid var(--bad);
  background: color-mix(in srgb, var(--bad) 7%, transparent);
  border-radius: 0 6px 6px 0;
}
.fault-why { margin-bottom: 6px; font-size: 12px; color: var(--text); }
.fault-list { margin: 0; padding: 0; list-style: none; }
.fault-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 8px;
  padding: 4px 0;
  border-top: 1px solid var(--line);
  font-size: 11px;
}
.fault-list li:first-child { border-top: 0; }
.fault-ts { font-family: var(--mono); color: var(--muted); }
.fault-what { font-family: var(--mono); color: var(--text); }
/* The message spans both columns so a long one wraps instead of crushing the timestamp. */
.fault-detail {
  grid-column: 1 / -1;
  font-family: var(--mono);
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* The upstream's error text, under its badge. Clamped so one long response body cannot push the
   table into a horizontal scroll; the full string is on the title attribute. */
.detail {
  margin-top: 4px;
  max-width: 46ch;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.4;
  color: var(--muted);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* --- config forms ---------------------------------------------------------- */

.config-form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  align-items: end;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}
.config-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--dim);
}
.config-form input {
  font: 13px var(--mono);
  padding: 8px 10px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--text);
  text-transform: none;
  letter-spacing: normal;
}
.config-form input:focus { outline: 2px solid var(--busy); outline-offset: 1px; }
.config-form button { height: 35px; }

.form-hint code {
  font: 11px var(--mono);
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 4px;
}

.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 20px;
  padding: 13px 16px;
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--warn) 10%, var(--panel));
  border: 1px solid color-mix(in srgb, var(--warn) 40%, var(--line));
  font-size: 13px;
}

/* Respect a reduced-motion preference for the connection pulse. */
@media (prefers-reduced-motion: reduce) {
  .conn[data-state="connecting"] .conn-dot { animation: none; }
}