:root {
  --bg: #0b0f16;
  --bg-2: #0e131c;
  --panel: #141b26;
  --panel-2: #1a2330;
  --line: #232f3e;
  --line-soft: #1c2735;
  --text: #eaf1f8;
  --muted: #8fa3b8;
  --faint: #5f7387;
  --accent: #5b9dff;
  --accent-2: #7c5cff;
  --good: #34d399;
  --warn: #fbbf24;
  --heat: #ff8a5b;
  --cool: #5b9dff;
  --bad: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 30px rgba(0,0,0,0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #16203010, transparent), var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
.glow { position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(700px 340px at 15% 0%, rgba(91,157,255,0.08), transparent),
              radial-gradient(600px 300px at 95% 20%, rgba(124,92,255,0.07), transparent); }
.hidden { display: none !important; }

/* ---- top bar ---- */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 26px; border-bottom: 1px solid var(--line-soft);
  background: rgba(11,15,22,0.78); backdrop-filter: blur(14px);
}
.brand { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 650; letter-spacing: .2px; }
.logo { color: var(--accent); font-size: 20px; }
.badge { font-size: 10px; font-weight: 700; letter-spacing: .8px; text-transform: uppercase;
  color: var(--accent-2); background: rgba(124,92,255,0.14); border: 1px solid rgba(124,92,255,0.4);
  padding: 2px 8px; border-radius: 20px; }
.ambient { display: flex; align-items: center; gap: 22px; }
.stat { display: flex; flex-direction: column; align-items: flex-end; line-height: 1.05; }
.stat-val { font-size: 17px; font-weight: 650; }
.stat-lbl { font-size: 11px; color: var(--faint); text-transform: uppercase; letter-spacing: .6px; }
.presence { display: flex; align-items: center; gap: 8px; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 22px; padding: 7px 15px; font-size: 13px; font-weight: 550; transition: .2s; }
.presence:hover { border-color: var(--accent); }
.presence-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); box-shadow: 0 0 8px var(--good); }
.presence.away .presence-dot { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.presence.away { color: var(--warn); border-color: rgba(251,191,36,0.4); }
.conn { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--faint); }
.conn-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); transition: .3s; }
.conn.live .conn-dot { background: var(--good); box-shadow: 0 0 8px var(--good); }

/* ---- layout ---- */
.layout { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 360px;
  gap: 20px; padding: 22px 26px 60px; max-width: 1320px; margin: 0 auto; }
.col { display: flex; flex-direction: column; gap: 20px; min-width: 0; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

/* ---- cards ---- */
.card { position: relative; background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px;
  display: flex; flex-direction: column; gap: 16px; box-shadow: var(--shadow); overflow: hidden; }
.card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; opacity: .9; }
.card.k-thermostat::before { background: linear-gradient(90deg, var(--cool), transparent); }
.card.k-ac::before { background: linear-gradient(90deg, #38bdf8, transparent); }
.card.k-oven::before { background: linear-gradient(90deg, var(--heat), transparent); }
.card.k-camera::before { background: linear-gradient(90deg, var(--accent-2), transparent); }
.card-head { display: flex; justify-content: space-between; align-items: center; }
.card-title { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 15px; }
.card-ic { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px;
  background: var(--panel-2); color: var(--accent); }
.card.k-oven .card-ic { color: var(--heat); }
.card.k-camera .card-ic { color: var(--accent-2); }
.pill { font-size: 11px; padding: 4px 11px; border-radius: 20px; font-weight: 600;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); text-transform: capitalize; }
.pill.cool { color: var(--cool); border-color: rgba(91,157,255,0.4); background: rgba(91,157,255,0.1); }
.pill.heat { color: var(--heat); border-color: rgba(255,138,91,0.4); background: rgba(255,138,91,0.1); }
.pill.on { color: var(--good); border-color: rgba(52,211,153,0.4); background: rgba(52,211,153,0.1); }
.pill.alert { color: var(--bad); border-color: rgba(248,113,113,0.4); background: rgba(248,113,113,0.1); }

/* thermostat dial */
.dial-wrap { display: flex; align-items: center; gap: 18px; }
.dial { position: relative; width: 132px; height: 132px; flex: none; }
.dial svg { transform: rotate(0deg); }
.dial-center { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; }
.dial-cur { font-size: 34px; font-weight: 700; letter-spacing: -1px; }
.dial-cur small { font-size: 15px; color: var(--muted); font-weight: 500; }
.dial-set { font-size: 12px; color: var(--faint); }
.dial-side { display: flex; flex-direction: column; gap: 8px; flex: 1; min-width: 0; }

.readout { display: flex; align-items: baseline; gap: 14px; }
.big { font-size: 40px; font-weight: 700; letter-spacing: -1.2px; line-height: 1; }
.big small { font-size: 15px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.sub { color: var(--muted); font-size: 13px; }

.progress { height: 6px; border-radius: 6px; background: var(--panel-2); overflow: hidden; }
.progress > span { display: block; height: 100%; border-radius: 6px; background: linear-gradient(90deg, var(--heat), #ffb088); transition: width .5s ease; }

.controls { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.btn { background: var(--panel-2); color: var(--text); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 8px 13px; cursor: pointer; font-size: 13px; font-weight: 550;
  transition: .15s; white-space: nowrap; }
.btn:hover { border-color: var(--accent); background: #1e2a3a; }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(180deg, var(--accent), #4a86e8); border-color: transparent; color: #06101f; font-weight: 650; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.active { border-color: var(--accent); color: var(--accent); background: rgba(91,157,255,0.1); }
.btn.round { width: 40px; height: 40px; font-size: 20px; padding: 0; display: grid; place-items: center; }
.btn.wide { flex: 1; text-align: center; }

.stepper { display: inline-flex; align-items: center; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.stepper button { width: 34px; height: 36px; border: none; background: transparent; color: var(--text); font-size: 18px; cursor: pointer; }
.stepper button:hover { background: #21303f; }
.stepper input { width: 46px; text-align: center; background: transparent; border: none; color: var(--text); font-size: 15px; font-weight: 600; outline: none; }

.seg { display: flex; flex-wrap: wrap; background: var(--panel-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 3px; gap: 3px; }
.seg button { flex: 1 1 auto; border: none; background: transparent; color: var(--muted); padding: 6px 10px; border-radius: 7px; cursor: pointer; font-size: 12.5px; font-weight: 550; text-transform: capitalize; transition: .15s; }
.seg button.active { background: var(--accent); color: #06101f; }
.seg button:not(.active):hover { color: var(--text); }

.switch-btn { display: inline-flex; align-items: center; gap: 9px; cursor: pointer;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 22px; padding: 6px 8px 6px 14px; font-size: 13px; font-weight: 600; transition: .2s; }
.switch-btn .knob { width: 40px; height: 22px; border-radius: 20px; background: #2a3646; position: relative; transition: .2s; }
.switch-btn .knob::after { content: ""; position: absolute; width: 16px; height: 16px; border-radius: 50%; background: #fff; top: 3px; left: 3px; transition: .2s; }
.switch-btn.on { color: var(--good); border-color: rgba(52,211,153,0.4); }
.switch-btn.on .knob { background: var(--good); }
.switch-btn.on .knob::after { left: 21px; }

.cam { width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--line); display: block; aspect-ratio: 16/9; object-fit: cover; background: #0d1420; }

/* ---- panels ---- */
.panel { position: relative; z-index: 1; background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; font-weight: 600; font-size: 15px; margin-bottom: 16px; }
.panel-sub { font-size: 11.5px; color: var(--faint); text-transform: uppercase; letter-spacing: .6px; font-weight: 500; }
canvas#chart { width: 100%; height: auto; display: block; }
.chart-panel { padding-bottom: 14px; }

.pc-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.pc-label { color: var(--muted); font-size: 13px; }
.pc-result { margin-top: 14px; color: var(--muted); font-size: 14px; line-height: 1.6;
  padding: 12px 14px; background: var(--panel-2); border-radius: var(--radius-sm); border-left: 3px solid var(--accent); }
.pc-result.go { border-left-color: var(--good); color: var(--text); }

.assistant .chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.chip-btn { background: rgba(91,157,255,0.08); border: 1px solid rgba(91,157,255,0.25); color: var(--accent);
  border-radius: 20px; padding: 6px 12px; font-size: 12.5px; cursor: pointer; transition: .15s; }
.chip-btn:hover { background: rgba(91,157,255,0.18); }
.say-row { display: flex; gap: 8px; }
.say-row input, .pc-row input { }
input[type=text] { flex: 1; min-width: 0; background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: var(--radius-sm); padding: 11px 13px; font-size: 14px; outline: none; transition: .15s; }
input[type=text]:focus { border-color: var(--accent); }
.say-reply { margin-top: 14px; padding: 13px 15px; background: rgba(91,157,255,0.08); border: 1px solid rgba(91,157,255,0.2);
  border-radius: var(--radius-sm); font-size: 14px; line-height: 1.55; }
.say-reply .via { display: block; margin-top: 6px; font-size: 11px; color: var(--accent-2); }

.toggle-row { display: flex; justify-content: space-between; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--line-soft); }
.toggle-row:last-child { border-bottom: none; }
.toggle-row .tr-name { font-size: 13.5px; }
.toggle-row .tr-desc { font-size: 11.5px; color: var(--faint); margin-top: 2px; }
.sw { width: 42px; height: 24px; border-radius: 20px; background: #2a3646; position: relative; cursor: pointer; transition: .2s; flex: none; }
.sw.on { background: var(--good); }
.sw::after { content: ""; position: absolute; width: 18px; height: 18px; border-radius: 50%; background: #fff; top: 3px; left: 3px; transition: .2s; }
.sw.on::after { left: 21px; }

.feed { display: flex; flex-direction: column; gap: 2px; max-height: 340px; overflow-y: auto; margin: -4px -4px 0; padding: 4px; }
.feed-empty { color: var(--faint); font-size: 13px; padding: 8px 4px; }
.evt { display: flex; gap: 11px; align-items: flex-start; padding: 9px 8px; border-radius: 9px; transition: background .15s; }
.evt:hover { background: var(--panel-2); }
.evt-ic { width: 24px; height: 24px; border-radius: 7px; display: grid; place-items: center; font-size: 13px; flex: none; margin-top: 1px; }
.evt-ic.notification { background: rgba(91,157,255,0.14); color: var(--accent); }
.evt-ic.automation { background: rgba(52,211,153,0.14); color: var(--good); }
.evt-ic.command { background: var(--panel-2); color: var(--muted); }
.evt-ic.command_rejected { background: rgba(248,113,113,0.14); color: var(--bad); }
.evt-body { min-width: 0; }
.evt-msg { font-size: 13px; line-height: 1.45; }
.evt-time { font-size: 11px; color: var(--faint); margin-top: 2px; }

.toasts { position: fixed; right: 22px; bottom: 22px; z-index: 50; display: flex; flex-direction: column; gap: 10px; }
.toast { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
  border-radius: 12px; padding: 13px 16px; font-size: 13.5px; box-shadow: var(--shadow); max-width: 320px;
  animation: slidein .25s ease; }
.toast.automation { border-left-color: var(--good); }
@keyframes slidein { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

@media (max-width: 1080px) {
  .layout { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .ambient { gap: 12px; }
  .conn { display: none; }
  .topbar { padding: 14px 16px; }
  .layout { padding: 16px; }
}