:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --card: #181b22;
  --fg: #e6e6e6;
  --muted: #8b94a3;
  --accent: #4aa3ff;
  --warn: #f0a64c;
  --good: #4adf85;
  --border: #262a33;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--fg);
  padding: 16px;
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-control {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.7rem;
  color: var(--muted);
}

.header-control select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 0.85rem;
}

button.ghost {
  background: transparent;
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 500;
}

button.ghost:hover { background: rgba(255, 255, 255, 0.04); }
button.ghost.danger { color: var(--warn); border-color: rgba(240, 166, 76, 0.4); }
button.ghost.on { background: rgba(74, 223, 133, 0.18); border-color: var(--good); color: var(--good); }
button.ghost.off { color: var(--muted); }

/* When AC is OFF, hide the comfort & control card entirely and just the
   temp-override sub-row inside Manual controls (leaving the power button
   visible so the user can turn the AC back on). */
.ac-off #control-card { display: none; }
.ac-off #override-temp-row { display: none; }
.ac-off #override-status { display: none; }

h1 { margin: 0; font-size: 1.5rem; font-weight: 600; }
h2 { margin: 0 0 12px; font-size: 1.05rem; font-weight: 600; color: var(--muted); }

.updated { color: var(--muted); font-size: 0.85rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

/* Collapsible cards — click the h2 (or h2 inside .card-header) to toggle.
   State persists per card id via localStorage (see initCollapsibles in app.js). */
.card > h2,
.card > .card-header > h2 {
  cursor: pointer;
  user-select: none;
}

.card > h2::before,
.card > .card-header > h2::before {
  content: "▾";
  display: inline-block;
  margin-right: 6px;
  font-size: 0.7em;
  color: var(--muted);
  transition: transform 0.15s;
}

.card.collapsed > h2::before,
.card.collapsed > .card-header > h2::before {
  transform: rotate(-90deg);
}

.card.collapsed > *:not(h2):not(.card-header) { display: none; }
.card.collapsed > .card-header > *:not(h2)    { display: none; }
.card.collapsed                                { margin-bottom: 8px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.grid > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
}

.label {
  display: block;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#latest-grid span:not(.label):not(.sub),
.target span:not(.label) {
  font-size: 1.4rem;
  font-weight: 600;
}

#latest-grid .sub {
  font-size: 0.7rem;
  color: var(--muted);
}

.control-row {
  display: grid;
  grid-template-columns: minmax(180px, 240px) 1fr;
  gap: 20px;
  margin-bottom: 16px;
}

.target {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.target > div {
  display: flex;
  flex-direction: column;
}

.model-state {
  font-size: 0.8rem;
  color: var(--warn);
}

.model-state.ready { color: var(--good); }

.comfort-buttons {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  align-content: start;
}

.comfort-buttons button {
  padding: 12px 4px;
  border: 1px solid transparent;
  color: #0c0f14;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s;
}

.comfort-buttons button[data-comfort="-3"] { background: #3b66e3; color: #fff; }
.comfort-buttons button[data-comfort="-2"] { background: #5a8edf; color: #fff; }
.comfort-buttons button[data-comfort="-1"] { background: #8ec0e8; }
.comfort-buttons button[data-comfort="0"]  { background: #6acf8f; }
.comfort-buttons button[data-comfort="1"]  { background: #f0d36e; }
.comfort-buttons button[data-comfort="2"]  { background: #ef9a4d; color: #fff; }
.comfort-buttons button[data-comfort="3"]  { background: #e35a45; color: #fff; }

.comfort-buttons button:hover { filter: brightness(1.10); }
.comfort-buttons button:active { transform: translateY(1px); }
.comfort-buttons button.pending { opacity: 0.5; pointer-events: none; }

.settings-block {
  margin-top: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.settings-block > summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.85rem;
  color: var(--muted);
  user-select: none;
  padding: 4px 0;
}

.settings-block > summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 6px;
  transition: transform 0.15s;
}

.settings-block[open] > summary::before {
  transform: rotate(90deg);
}

.settings-block[open] > summary {
  margin-bottom: 8px;
}

.ac-range {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.ac-range label {
  display: flex;
  flex-direction: column;
  font-size: 0.75rem;
  color: var(--muted);
  gap: 4px;
}

.ac-range input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: 6px 8px;
  width: 80px;
  font-size: 0.95rem;
}

button {
  background: var(--accent);
  color: #0c0f14;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
}

button:disabled { opacity: 0.5; cursor: not-allowed; }

.range-status { color: var(--muted); font-size: 0.8rem; }
.range-status.ok { color: var(--good); }
.range-status.err { color: var(--warn); }

.chart-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.chart-controls label {
  font-size: 0.75rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.chart-controls select {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: 6px;
  padding: 6px 8px;
}

.charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.chart-wrap {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  padding: 8px;
  height: 220px;
}

.model-empty {
  color: var(--muted);
  font-size: 0.9rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-header h2 { margin: 0; }

button.danger {
  background: transparent;
  color: var(--warn);
  border: 1px solid var(--warn);
  padding: 6px 12px;
  font-size: 0.85rem;
}

button.danger:hover {
  background: rgba(240, 166, 76, 0.12);
}

.model-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.model-summary > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 8px;
}

.model-summary span:not(.label) {
  font-size: 1.2rem;
  font-weight: 600;
}

.model-body {
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 16px;
  align-items: stretch;
}

.model-radar { height: 280px; }

.model-table-wrap h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
}

.model-formula {
  margin: 0 0 10px;
  font-size: 0.85rem;
  color: var(--muted);
}

.model-formula span { color: var(--fg); font-weight: 600; }

.model-note {
  margin: 10px 0 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.model-note.warn { color: var(--warn); }

.model-summary .sub {
  font-size: 0.75rem;
  color: var(--muted);
  font-weight: 400;
}

#contrib-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#contrib-table th,
#contrib-table td {
  text-align: right;
  padding: 6px 8px;
  border-bottom: 1px solid var(--border);
}

#contrib-table th:first-child,
#contrib-table td:first-child {
  text-align: left;
}

#contrib-table th {
  font-weight: 600;
  color: var(--muted);
  font-size: 0.75rem;
  text-transform: uppercase;
}

#contrib-table td.warm  { color: var(--warn); }
#contrib-table td.cool  { color: var(--accent); }
#contrib-table td.zero  { color: var(--muted); }

@media (max-width: 720px) {
  .model-body { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .control-row { grid-template-columns: 1fr; }
  .comfort-buttons { grid-template-columns: repeat(4, 1fr); }
  .charts { grid-template-columns: 1fr; }
}

.events-list {
  max-height: 360px;
  overflow-y: auto;
  font-size: 0.82rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

.events-empty {
  color: var(--muted);
  padding: 8px 0;
}

.events-row {
  display: grid;
  grid-template-columns: 110px 90px 1fr;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

.events-row:last-child { border-bottom: none; }

.events-row .ts { color: var(--muted); }

.events-row .kind {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 6px;
  border-radius: 4px;
  align-self: start;
  border: 1px solid var(--border);
  text-align: center;
}

.events-row .kind.ir       { color: #f0c84a; border-color: rgba(240, 200, 74, 0.4); }
.events-row .kind.label    { color: var(--good); border-color: rgba(74, 223, 133, 0.4); }
.events-row .kind.override { color: var(--accent); border-color: rgba(74, 163, 255, 0.4); }
.events-row .kind.power    { color: var(--warn); border-color: rgba(240, 166, 76, 0.4); }
.events-row .kind.model    { color: #b48cff; border-color: rgba(180, 140, 255, 0.4); }
.events-row .kind.settings { color: var(--muted); }
.events-row .kind.escalation { color: #ff7a59; border-color: rgba(255, 122, 89, 0.4); }
.events-row .kind.escalation_exhausted { color: #e35a45; border-color: rgba(227, 90, 69, 0.6); }
.events-row .kind.cooling_observed { color: var(--good); border-color: rgba(74, 223, 133, 0.4); }
.events-row .kind.efficacy_predict { color: #6acf8f; border-color: rgba(106, 207, 143, 0.4); }
.events-row .kind.label_forced { color: #e879f9; border-color: rgba(232, 121, 249, 0.4); }

/* Multi-select fan modes (checkbox group inside the settings card). */
.fan-allowed-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--muted);
}

.fan-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 4px 0;
}

.fan-checks label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--fg);
  cursor: pointer;
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 6px;
}

.fan-checks label:has(input:checked) {
  background: rgba(74, 163, 255, 0.18);
  border-color: var(--accent);
  color: var(--fg);
}

.fan-checks input[type="checkbox"] {
  accent-color: var(--accent);
  margin: 0;
}

#events-model { font-size: 0.75rem; }