:root {
  --bg: #0b1220;
  --card: #151d2e;
  --card2: #1b2438;
  --fg: #e8edf6;
  --muted: #8391a8;
  --accent: #3b82f6;
  --ok: #22c55e;
  --err: #ef4444;
  --on: #f59e0b;
  --radius: 16px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
#app {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px calc(24px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.topbar { display: flex; align-items: center; justify-content: space-between; }
.topbar h1 { font-size: 20px; margin: 4px 0; }
.pill {
  font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
  background: var(--card2); color: var(--muted);
}
.pill--ok { background: rgba(34,197,94,.15); color: var(--ok); }
.pill--err { background: rgba(239,68,68,.15); color: var(--err); }
.pill--muted { color: var(--muted); }

.tabs { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; }
.tab {
  flex: 0 0 auto; padding: 8px 14px; border-radius: 999px; border: 1px solid transparent;
  background: var(--card); color: var(--muted); font-size: 14px; font-weight: 600;
}
.tab--active { color: var(--fg); border-color: var(--accent); background: var(--card2); }

.card { background: var(--card); border-radius: var(--radius); padding: 16px; }
.readout { display: flex; align-items: center; justify-content: space-between; }
.temp-now { line-height: 1; }
.temp-now #roomTemp { font-size: 56px; font-weight: 700; }
.unit { font-size: 24px; color: var(--muted); }
.sub { font-size: 12px; color: var(--muted); margin-top: 4px; }
.meta { text-align: right; font-size: 14px; display: grid; gap: 6px; }
.muted { color: var(--muted); }

.power {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 18px; border: none; border-radius: var(--radius);
  background: var(--card2); color: var(--fg); font-size: 18px; font-weight: 700;
}
.power__icon { font-size: 22px; }
.power--on { background: var(--on); color: #1a1200; }
.power:disabled { opacity: .5; }

.setpoint { display: flex; align-items: center; justify-content: space-between; }
.setpoint__val { text-align: center; }
.setpoint__val #tempSet { font-size: 40px; font-weight: 700; }
.round {
  width: 64px; height: 64px; border-radius: 50%; border: none;
  background: var(--card2); color: var(--fg); font-size: 32px; font-weight: 400;
}
.round:active { background: var(--accent); }
.round:disabled { opacity: .5; }

.lbl { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  flex: 1 1 auto; min-width: 60px; padding: 12px 6px; border-radius: 12px; border: 1px solid transparent;
  background: var(--card2); color: var(--muted); font-size: 14px; font-weight: 600;
}
.chip--active { color: var(--fg); border-color: var(--accent); background: rgba(59,130,246,.15); }
.chip:disabled { opacity: .5; }

.toggles { display: grid; gap: 4px; }
.toggle { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; }
.toggle input { width: 44px; height: 26px; }

.err {
  background: rgba(239,68,68,.12); color: var(--err); border-radius: 12px;
  padding: 12px; font-size: 14px; margin: 0;
}

.login {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 10;
}
/* zonder deze regel overschrijft .login (display:flex) het hidden-attribuut,
   waardoor de overlay na inloggen zichtbaar blijft */
.login[hidden] { display: none; }
.login__box {
  width: 100%; max-width: 340px; display: flex; flex-direction: column; gap: 12px;
  background: var(--card); padding: 24px; border-radius: var(--radius);
}
.login__box h1 { margin: 0; font-size: 22px; }
.login__box p { margin: 0; font-size: 14px; }
.login__box input {
  padding: 14px; border-radius: 12px; border: 1px solid var(--card2);
  background: var(--card2); color: var(--fg); font-size: 16px;
}
.login__box button {
  padding: 14px; border-radius: 12px; border: none;
  background: var(--accent); color: #fff; font-size: 16px; font-weight: 700;
}
.showpw { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--muted); }
.showpw input { width: auto; }
.foot { text-align: center; font-size: 12px; }

@media (prefers-color-scheme: light) {
  :root {
    --bg: #eef2f8; --card: #ffffff; --card2: #eaeff7; --fg: #16202f; --muted: #64748b;
  }
  .power--on { color: #4a2c00; }
}