:root {
  --ink: #f8fafc;
  --muted: #94a3b8;
  --line: rgba(255, 255, 255, 0.14);
  --bg: #0f172a;
  --card: rgba(27, 35, 54, 0.72);
  --side: rgba(16, 23, 38, 0.78);
  --accent: #22c55e;
  --on-accent: #0f172a;
  --ok: rgba(34, 197, 94, 0.16);
  --ok-ink: #bbf7d0;
  --err: rgba(239, 68, 68, 0.16);
  --err-ink: #fecaca;
  --shadow: 0 16px 40px rgba(2, 6, 23, 0.35);
  font-family: "Fira Sans", system-ui, sans-serif;
  color: var(--ink);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background:
    radial-gradient(900px 420px at 100% -10%, rgba(34, 197, 94, 0.16), transparent 55%),
    radial-gradient(700px 380px at -10% 20%, rgba(51, 65, 85, 0.7), transparent 50%),
    var(--bg);
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button, a, select { cursor: pointer; }
:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

.app { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.side {
  background: var(--side);
  border-right: 1px solid var(--line);
  backdrop-filter: blur(16px);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.brand { display: flex; gap: 12px; align-items: center; padding: 4px 8px; }
.mark {
  width: 36px; height: 36px; border-radius: 12px;
  background: var(--accent); color: var(--on-accent);
  display: grid; place-items: center; font-weight: 700;
}
.brand strong { display: block; font-size: 15px; }
.brand span { color: var(--muted); font-size: 12px; }
.tenant-switch label { color: var(--muted); font-size: 12px; margin: 0 8px 6px; display: block; }
.tenant-switch select, input {
  width: 100%;
  background: rgba(15, 23, 42, 0.55);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
}
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; color: #cbd5e1; font-size: 14px;
  transition: background 180ms ease, color 180ms ease;
}
.nav a.active, .nav a:hover { background: rgba(255, 255, 255, 0.08); color: white; }
.nav .soon {
  margin-left: auto; font-size: 10px; letter-spacing: 0.04em; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 6px;
}
.side-foot { margin-top: auto; padding: 12px; border-radius: 14px; background: rgba(255,255,255,0.05); border: 1px solid var(--line); }
.side-foot small { color: var(--muted); display: block; }
.side-foot strong { font-family: "Fira Code", monospace; font-size: 13px; }
.side-foot button, button.ghost {
  margin-top: 10px; width: 100%; background: transparent; color: var(--ink);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px;
}
button.primary, .topic button.primary, .add button.primary, .tenant-edit button.primary {
  background: var(--accent); color: var(--on-accent); border: 0; border-radius: 10px;
  padding: 10px 14px; font-weight: 600;
  transition: filter 180ms ease;
}
button.primary:hover, .topic button:hover { filter: brightness(1.08); }
.topic button.ghost { width: auto; margin: 0; }

.main { min-width: 0; }
.top {
  height: 68px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0;
}
.top h1 { margin: 0; font-size: 18px; }
.who { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(34, 197, 94, 0.18); color: var(--accent);
  display: grid; place-items: center; font-weight: 700;
}
.content { padding: 28px; display: grid; gap: 16px; }
.lead { margin: 0; color: var(--muted); max-width: 68ch; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stat, .panel, .login {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.stat { padding: 18px; }
.stat span, .panel .hint { color: var(--muted); font-size: 13px; }
.stat strong { display: block; margin-top: 8px; font-size: 30px; font-family: "Fira Code", monospace; }
.stat em { font-style: normal; color: var(--muted); font-size: 12px; }
.panel { padding: 18px; }
.panel h2 { margin: 0 0 4px; font-size: 16px; }
.panel .hint { margin: 0 0 14px; }
.split { display: grid; grid-template-columns: 320px 1fr; gap: 14px; align-items: start; }
label { display: block; margin: 12px 0 6px; font-size: 13px; color: #e2e8f0; }
input[readonly] { font-family: "Fira Code", monospace; font-size: 13px; }
button.primary { margin-top: 16px; }
.auth {
  border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px;
  background: rgba(15, 23, 42, 0.35);
}
.auth header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.badge { font-size: 12px; color: var(--muted); background: rgba(255,255,255,0.06); border-radius: 999px; padding: 4px 8px; }
.topic, .add, .tenant-edit { display: grid; gap: 8px; margin-bottom: 8px; }
.topic { grid-template-columns: 1fr auto auto; }
.tenant-edit { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.tenant-edit input { flex: 1; width: auto; margin: 0; }
.tenant-edit button { width: auto; margin: 0; flex: none; }
.add { grid-template-columns: 1fr auto; }
.topic button, .add button, .tenant-edit button { margin: 0; }
.empty { color: var(--muted); font-size: 14px; }
.banner { margin: 0; padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.banner.err { background: var(--err); color: var(--err-ink); }
.banner.ok { background: var(--ok); color: var(--ok-ink); }
.list { display: grid; gap: 8px; }
.list a, button.linkish {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px; border-radius: 12px; border: 1px solid var(--line);
  background: rgba(15, 23, 42, 0.35); width: 100%; margin: 0; color: inherit; text-align: left;
}
.list a:hover, button.linkish:hover { border-color: rgba(34, 197, 94, 0.45); }

.filters {
  position: relative; z-index: 20; overflow: visible;
  display: flex; flex-wrap: wrap; gap: 20px 28px; align-items: flex-end;
  margin-bottom: 16px; padding: 16px 18px;
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); backdrop-filter: blur(16px);
}
.filters .field { display: grid; gap: 8px; min-width: min(100%, 240px); }
.filters .field > span, .filters .picks-label {
  color: var(--muted); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600;
}
.device-menu { position: relative; min-width: 220px; }
.side .device-menu { min-width: 0; width: 100%; }
.side .device-list { z-index: 40; }
.device-trigger {
  width: 100%; min-height: 48px; margin: 0;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 0 14px 0 16px; border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  background: linear-gradient(180deg, rgba(30,41,59,0.9), rgba(15,23,42,0.92));
  color: var(--ink); box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.device-trigger span { font-weight: 500; }
.device-trigger::after {
  content: ""; width: 8px; height: 8px; flex: none;
  border-right: 1.5px solid #94a3b8; border-bottom: 1.5px solid #94a3b8;
  transform: rotate(45deg) translateY(-2px);
}
.device-menu.open .device-trigger { border-color: rgba(34,197,94,0.75); box-shadow: 0 0 0 3px rgba(34,197,94,0.16); }
.device-menu.open .device-trigger::after { transform: rotate(225deg) translateY(-2px); }
.device-list {
  position: absolute; z-index: 30; left: 0; right: 0; top: calc(100% + 8px);
  padding: 6px; border-radius: 14px;
  background: #121a2b; border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 18px 40px rgba(2,6,23,0.55);
}
.device-list button {
  width: 100%; margin: 0; min-height: 40px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 12px; border: 0; border-radius: 10px;
  background: transparent; color: #e2e8f0; text-align: left;
}
.device-list button:hover, .device-list button[aria-selected="true"] { background: rgba(34,197,94,0.14); color: white; }
.device-list button[aria-selected="true"]::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #22c55e; }
.sensor-picks { display: flex; flex-wrap: wrap; gap: 8px; }
.sensor-picks button {
  min-height: 40px; margin: 0; width: auto;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 14px; border-radius: 999px; white-space: nowrap;
  border: 1px solid var(--line); background: rgba(15, 23, 42, 0.55); color: #cbd5e1;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}
.sensor-picks button[aria-pressed="true"] {
  color: var(--ink); border-color: rgba(34, 197, 94, 0.7);
  background: rgba(34, 197, 94, 0.14);
}
.sensor-picks i {
  width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--dot, var(--accent));
}
.charts { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.chart-card[hidden], tr[hidden] { display: none; }
.tabs { display: grid; gap: 12px; }
.tablist { display: flex; gap: 8px; flex-wrap: wrap; }
.tab {
  width: auto; margin: 0; min-height: 40px; padding: 0 16px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(15, 23, 42, 0.55); color: #cbd5e1;
}
.tab[aria-selected="true"] { color: #0f172a; background: var(--accent); border-color: var(--accent); }
.tab-panel[hidden] { display: none; }
.tab-panel { max-width: 560px; }
.tab-panel form { display: grid; }
.control-list { display: grid; gap: 10px; }
.control-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 48px; }
.control-copy { display: grid; gap: 4px; flex: 1; min-width: 0; }
.control-copy strong { font-size: 0.95rem; }
.control-note {
  width: 100%; min-height: 36px; margin: 0; padding: 6px 10px;
  border-radius: 8px; border: 1px solid transparent; background: transparent; color: #94a3b8;
}
.control-note:hover, .control-note:focus { border-color: var(--line); background: rgba(15, 23, 42, 0.55); color: var(--ink); }
.day-picks { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.day-pick {
  width: auto; margin: 0; min-height: 36px; padding: 0 12px; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(15, 23, 42, 0.55); color: #cbd5e1;
}
.day-pick[aria-pressed="true"] { color: #0f172a; background: var(--accent); border-color: var(--accent); }
table .ghost, table .primary, table .switch { min-height: 0; padding: 0; width: auto; }
table form { margin: 0; }
button.switch { width: 52px; min-height: 32px; margin: 0; }
.health-pill {
  display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: 999px;
  font-size: 13px; color: #94a3b8; background: rgba(148, 163, 184, 0.12);
}
.health-pill.on { color: #22c55e; background: rgba(34, 197, 94, 0.14); }
.health-pill.off { color: #f87171; background: rgba(248, 113, 113, 0.14); }
.switch {
  width: 52px; height: 32px; margin: 0; padding: 0; border-radius: 999px; position: relative;
  border: 1px solid var(--line); background: rgba(15, 23, 42, 0.8);
}
.switch::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 24px; height: 24px; border-radius: 50%;
  background: #cbd5e1; transition: transform 180ms ease;
}
.switch[aria-pressed="true"] { background: rgba(34, 197, 94, 0.35); border-color: #22c55e; }
.switch[aria-pressed="true"]::after { transform: translateX(20px); background: #22c55e; }
.status-card {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  padding: 18px 20px; border-radius: 16px; border: 1px solid var(--line);
  background: var(--card); box-shadow: var(--shadow);
}
.status-card .k { display: block; color: var(--muted); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; }
.status-card strong { display: block; margin-top: 6px; font-size: 22px; }
.status-card.on strong#health-label { color: #86efac; }
.status-card.off strong#health-label { color: #fca5a5; }
a.detail, button.danger {
  display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 0 14px;
  border-radius: 999px; width: auto; margin: 0; font-weight: 600;
}
a.detail { border: 1px solid rgba(34,197,94,0.45); color: #bbf7d0; background: rgba(34,197,94,0.08); }
button.danger {
  border: 1px solid rgba(248,113,113,0.55); color: #fecaca; background: rgba(248,113,113,0.12);
}
button.danger:hover { background: rgba(248,113,113,0.22); }
.nets { display: grid; gap: 8px; margin: 12px 0; }
.nets .net {
  width: 100%; margin: 0; text-align: left; min-height: 40px; padding: 0 12px;
  border-radius: 10px; border: 1px solid var(--line); background: rgba(15,23,42,0.45); color: var(--ink);
}
.chart-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 16px 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.chart-card header { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.chart-card .k { color: var(--muted); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.chart-card strong { display: block; margin-top: 4px; font-size: 28px; font-variant-numeric: tabular-nums; }
.chart-card em { color: var(--muted); font-style: normal; font-size: 12px; }
.chart-card canvas { height: 190px !important; margin-top: 8px; }
.live-note { margin-top: 0; }
table.devices { width: 100%; border-collapse: collapse; }
table.devices th, table.devices td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
table.devices code { font-family: "Fira Code", monospace; letter-spacing: 0.04em; }
.login-body { min-height: 100vh; display: grid; place-items: center; }
.login { width: min(420px, 92vw); padding: 28px; justify-self: center; }
.login h1 { margin: 14px 0 6px; }
.login p { margin: 0 0 8px; color: var(--muted); }

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .side { position: sticky; top: 0; z-index: 2; }
  .nav { flex-direction: row; overflow: auto; }
  .side-foot { display: none; }
  .stats, .split, .charts, .detail-grid, .status-card { grid-template-columns: 1fr; }
  .content, .top { padding-left: 16px; padding-right: 16px; }
  .topic { grid-template-columns: 1fr; }
}