:root {
  color-scheme: light;
  --ink: #1b2830;
  --muted: #5c6d78;
  --line: #d5e0e6;
  --paper: #e6eef2;
  --card: #ffffff;
  --deep: #12343c;
  --water: #0e7490;
  --closed: #b86a1a;
  --ok: #1f7a4d;
  --alarm: #c5362b;
  --unknown: #8b98a3;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
.boot #login, .boot #dash { display: none !important; }
html, body { margin: 0; height: 100%; background: var(--paper); }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin: 0; }

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.top .eyebrow { color: #9ec4ce; }

.login {
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background:
    radial-gradient(circle at top left, rgba(14, 116, 144, 0.35), transparent 42%),
    var(--deep);
}
.login .card {
  width: min(420px, 100%);
  background: var(--card);
  padding: 28px 28px 22px;
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}
.login h1 { font-size: 2rem; margin: 4px 0 8px; }
.lede { color: var(--muted); margin-bottom: 18px; }
.field { display: grid; gap: 6px; font-size: 0.92rem; margin-bottom: 12px; }
.field input, .field select, #search {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
}
.secret { position: relative; display: block; }
.secret input { padding-right: 42px; }
.reveal {
  position: absolute;
  top: 50%;
  right: 4px;
  transform: translateY(-50%);
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  display: grid;
  place-items: center;
  padding: 0;
}
.reveal:hover { background: #f4f8fa; color: var(--ink); }
.reveal[aria-pressed="true"] { color: var(--ink); }
.login button[type="submit"], .secondary, .command-row button, .zoom button, .modal-actions button[type="submit"] {
  border: 0;
  border-radius: 8px;
  background: var(--water);
  color: white;
  padding: 10px 14px;
}
.login button[type="submit"] { width: 100%; margin-top: 4px; }
.secondary { background: var(--deep); margin-top: 8px; }
.command-row button:disabled, .login button:disabled { opacity: 0.45; cursor: not-allowed; }
.error { color: var(--alarm); min-height: 1.2em; margin: 4px 0 8px; }
.demo-help {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.92rem;
}
.demo-help p { margin: 4px 0; }
.demo-help span {
  display: inline-block;
  min-width: 6.5rem;
  font-family: "IBM Plex Mono", Consolas, monospace;
}

.dash { height: 100vh; display: flex; flex-direction: column; }
.top {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 18px;
  background: var(--deep);
  color: white;
}
.top h1 { font-size: 1.35rem; }
.summary { flex: 1; color: #d5e7ec; font-size: 0.95rem; }
.top-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; flex-wrap: wrap; font-size: 0.92rem; }
.top-actions > * { white-space: nowrap; }
.updated { color: #9ec4ce; }
.pill {
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 600;
}
.pill.sample { background: #f4e4c4; color: #6a4b12; }
.pill.live { background: #d7efe4; color: #145c3a; }
.text-btn, .file-btn {
  border: 0;
  background: transparent;
  color: var(--water);
  padding: 0;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.top .text-btn { color: #d5e7ec; }
.account { position: relative; display: flex; align-items: center; }
.gear {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #d5e7ec;
  display: grid;
  place-items: center;
  padding: 0;
}
.gear:hover, .gear[aria-expanded="true"] { background: rgba(255, 255, 255, 0.12); }
.account-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 6;
  min-width: 180px;
  padding: 6px;
  background: white;
  color: var(--ink);
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}
.account-menu button {
  width: 100%;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 8px 10px;
}
.account-menu button:hover { background: #f4f8fa; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(18, 52, 60, 0.45);
}
.modal[hidden] { display: none !important; }
.modal .card {
  width: min(420px, 100%);
  background: var(--card);
  padding: 28px 28px 22px;
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
}
.modal h2 { font-size: 1.35rem; margin-bottom: 8px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.modal-actions .secondary { margin-top: 0; }
.modal-actions button[type="submit"] { width: auto; margin-top: 0; }
.password-ok { min-height: 1.2em; margin: 4px 0 8px; color: var(--ok); }

.history-modal { align-items: start; padding: 24px 16px; overflow: auto; }
.history-modal .history-card {
  width: min(960px, 100%);
  max-height: none;
  margin: auto;
  display: grid;
  gap: 12px;
}
.history-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.history-head h2 { font-size: 1.45rem; margin: 2px 0 4px; }
.history-range {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 10px;
  align-items: end;
}
.history-range .field { margin-bottom: 0; }
.history-range .secondary { margin-top: 0; }
.history-presets { margin-top: 0; }
.history-chart { min-height: 280px; }
.history-actions { margin-top: 0; }
.drawer-downloads { display: flex; gap: 8px; margin-top: 8px; }
.drawer-downloads .secondary {
  margin-top: 0;
  flex: 1;
  width: auto;
  padding: 8px 10px;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .history-range { grid-template-columns: 1fr; }
}

.banner {
  margin: 0;
  padding: 6px 8px 6px 18px;
  background: #f4e4c4;
  color: #5c4316;
  font-size: 0.92rem;
  display: flex;
  align-items: center;
  gap: 8px;
}
.banner p { flex: 1; }
.banner-close {
  flex: none;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font-size: 1.4rem;
  line-height: 1;
  padding: 0;
}
.banner-close:hover { background: rgba(92, 67, 22, 0.12); }
.roof-mode { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mode-label, .mode-note { color: #d5e7ec; font-size: 0.85rem; }
.mode-btn {
  border: 1px solid #9ec4ce;
  background: transparent;
  color: white;
  border-radius: 999px;
  padding: 4px 12px;
}
.mode-btn.on { background: white; color: var(--deep); border-color: white; }
.mode-btn:disabled:not(.on) { opacity: 0.4; cursor: not-allowed; }
.marker.slave { background: white; }
.marker.slave.open { color: var(--water); border-color: var(--water); }
.marker.slave.closed { color: var(--closed); border-color: var(--closed); }
.marker.slave.unknown { color: var(--unknown); border-color: var(--unknown); }
.dot.slave { background: white; box-shadow: inset 0 0 0 2px currentColor; }
.dot.slave.open { color: var(--water); }
.dot.slave.closed { color: var(--closed); }
.swatch.slave { background: white; box-shadow: inset 0 0 0 2px var(--water); }
.error-banner { background: #fdeceb; color: #8d241c; }

.body {
  position: relative;
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}
.rail, .drawer {
  background: var(--card);
  min-height: 0;
  overflow: auto;
}
.rail { border-right: 1px solid var(--line); padding: 12px; display: flex; flex-direction: column; gap: 10px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; }
.chip, .seg {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 4px 10px;
}
.chip.on, .seg.on { background: var(--deep); color: white; border-color: var(--deep); }
.device-list { display: grid; gap: 6px; align-content: start; }
.device-list h3 {
  margin: 8px 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.row {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 8px;
  align-items: start;
  text-align: left;
  border: 1px solid transparent;
  border-radius: 10px;
  background: transparent;
  padding: 8px;
}
.row:hover, .row.selected { background: #f3f8fa; border-color: var(--line); }
.row-title { display: block; font-weight: 600; }
.row-tag, .tag, .row-meta, .fine {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 0.75rem;
  color: var(--muted);
}
.row-tag, .row-meta { display: block; margin-top: 2px; }
.dot {
  width: 10px;
  height: 10px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--unknown);
}
.dot.leak { border-radius: 2px; transform: rotate(45deg); }
.dot.open, .swatch.open { background: var(--water); }
.dot.closed, .swatch.closed { background: var(--closed); }
.dot.ok, .swatch.ok { background: var(--ok); }
.dot.alarm, .swatch.alarm { background: var(--alarm); }
.dot.rain, .swatch.rain, .marker.rain { background: var(--deep); }
.marker.rain { width: 22px; height: 22px; border-radius: 4px; }
.swatch.rain { border-radius: 2px; }
.stage { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 8px 12px;
  background: #f7fbfc;
  border-bottom: 1px solid var(--line);
}
.zoom { display: flex; align-items: center; gap: 8px; }
.zoom button { width: 32px; height: 32px; padding: 0; }
.hint { color: var(--muted); font-size: 0.85rem; }
.plan-scroll { flex: 1; overflow: auto; background: #d5e0e6; padding: 16px; }
.plan { position: relative; width: 100%; background: white; box-shadow: 0 8px 24px rgba(18, 52, 60, 0.12); }
.plan img { width: 100%; height: auto; display: block; }
.grid, #markers { position: absolute; inset: 0; }
.grid {
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(18, 52, 60, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(18, 52, 60, 0.15) 1px, transparent 1px);
  background-size: 10% 10%;
}
.marker {
  position: absolute;
  width: 28px;
  height: 28px;
  transform: translate(-50%, -50%);
  border: 2px solid white;
  border-radius: 50%;
  padding: 0;
  display: grid;
  place-items: center;
  color: white;
  background: var(--unknown);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}
.marker svg { width: 16px; height: 16px; }
.marker.leak {
  width: 18px;
  height: 18px;
  border-radius: 3px;
  transform: translate(-50%, -50%) rotate(45deg);
}
.marker.leak svg { transform: rotate(-45deg); width: 10px; height: 10px; }
.marker.open { background: var(--water); }
.marker.closed { background: var(--closed); }
.marker.ok { background: var(--ok); }
.marker.alarm { background: var(--alarm); animation: pulse 1.4s ease-in-out infinite; }
.marker.selected { outline: 3px solid var(--deep); outline-offset: 2px; z-index: 2; }
.marker.dim { opacity: 0.2; }
.marker:focus-visible, .row:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--water);
  outline-offset: 2px;
}
.plan.editing .marker { cursor: grab; }
.legend {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 8px 12px;
  background: #f7fbfc;
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
}
.legend li { display: flex; align-items: center; gap: 6px; }
.swatch { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.swatch.ok, .swatch.alarm { border-radius: 2px; transform: rotate(45deg); }

.drawer {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 100%);
  z-index: 4;
  border-left: 1px solid var(--line);
  padding: 16px 16px 28px;
  box-shadow: -12px 0 30px rgba(18, 52, 60, 0.08);
}
.drawer-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.drawer h2 { font-size: 1.35rem; margin: 2px 0; }
.facts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 16px 0;
}
.facts div { background: #f4f8fa; border-radius: 10px; padding: 8px 10px; }
.facts dt { color: var(--muted); font-size: 0.78rem; }
.facts dd { margin: 2px 0 0; font-size: 1.15rem; font-weight: 600; }
.fact-line { display: flex; justify-content: space-between; gap: 12px; margin: 8px 0; }
.command-block { margin: 8px 0 14px; }
.command-block h3 { font-size: 0.95rem; margin-bottom: 8px; }
.command-row { display: flex; gap: 8px; margin-bottom: 8px; }
.command-row button { flex: 1; background: var(--deep); }
.command-row button[data-action="valve_open"] { background: var(--water); }
.command-row button[data-action="valve_close"] { background: var(--closed); }
.command-row button[data-action="leak_reset"] { background: var(--alarm); }
.command-result { min-height: 1.2em; color: var(--deep); font-size: 0.92rem; }
.chart-tools { display: grid; gap: 8px; margin: 12px 0; }
.segmented { display: flex; gap: 6px; flex-wrap: wrap; }
.chart-wrap { position: relative; }
.chart { width: 100%; height: auto; display: block; }
.axis { font-size: 11px; fill: var(--muted); font-family: "IBM Plex Sans", "Segoe UI", sans-serif; }
.gridline { stroke: #e2e8ee; stroke-width: 1; }
.range-line { stroke: #8aa0ab; stroke-dasharray: 4 4; }
.hover-line { stroke: var(--deep); stroke-dasharray: 3 3; }
.chart-tip {
  position: absolute;
  z-index: 2;
  background: var(--deep);
  color: white;
  border-radius: 8px;
  padding: 6px 8px;
  font-size: 0.78rem;
  pointer-events: none;
  max-width: 220px;
}
.empty { color: var(--muted); padding: 12px 0; }
details { margin-top: 14px; }
details summary { cursor: pointer; }

@keyframes pulse {
  50% { box-shadow: 0 0 0 6px rgba(197, 54, 43, 0.28); }
}

.marker.slave.open,
.marker.slave.closed,
.marker.slave.unknown { background: white; }
.marker.slave.open { color: var(--water); border-color: var(--water); }
.marker.slave.closed { color: var(--closed); border-color: var(--closed); }
.marker.slave.unknown { color: var(--unknown); border-color: var(--unknown); }
.dot.slave.open,
.dot.slave.closed { background: white; box-shadow: inset 0 0 0 2px currentColor; }
.dot.slave.open { color: var(--water); }
.dot.slave.closed { color: var(--closed); }

@media (max-width: 860px) {
  .top { flex-wrap: wrap; }
  .summary { flex-basis: 100%; order: 3; }
  .body { grid-template-columns: 1fr; grid-template-rows: minmax(180px, 34vh) minmax(0, 1fr); }
  .rail { border-right: 0; border-bottom: 1px solid var(--line); }
  .drawer { width: 100%; }
}