:root {
  color-scheme: dark light;
  --bg: #0b1220;
  --bg-soft: #111c31;
  --card: #16233c;
  --card-2: #1b2b48;
  --line: #26385c;
  --text: #eaf1ff;
  --muted: #9db0d0;
  --accent: #34d399;
  --accent-2: #0ea5e9;
  --danger: #f87171;
  --warn: #fbbf24;
  --radius: 18px;
  --shadow: 0 10px 30px rgba(3, 8, 20, .45);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f6fb;
    --bg-soft: #ffffff;
    --card: #ffffff;
    --card-2: #f7fafc;
    --line: #dfe7f3;
    --text: #0f1c30;
    --muted: #5c6b83;
    --shadow: 0 10px 24px rgba(15, 28, 48, .08);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, "Noto Sans Hebrew", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

.app {
  max-width: 780px;
  margin: 0 auto;
  padding: 16px 16px calc(28px + env(safe-area-inset-bottom));
}

.boot { padding: 48px 0; text-align: center; color: var(--muted); }

/* ---------- header ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0 18px;
}
.topbar .logo {
  width: 38px; height: 38px; border-radius: 12px;
  background: linear-gradient(160deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; color: #08111f; font-weight: 800;
}
.topbar h1 { font-size: 1.15rem; margin: 0; font-weight: 700; }
.topbar .sub { font-size: .8rem; color: var(--muted); }
.topbar .spacer { flex: 1; }

/* ---------- cards ---------- */

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 4px; font-size: 1rem; }
.card .hint { color: var(--muted); font-size: .84rem; margin: 0 0 12px; }

.device-card { display: block; text-decoration: none; color: inherit; cursor: pointer; }
.device-card:hover { border-color: var(--accent-2); }
.device-head { display: flex; align-items: center; gap: 10px; }
.device-head h3 { margin: 0; font-size: 1.05rem; }
.device-meta { color: var(--muted); font-size: .82rem; margin-top: 2px; }

.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.dot.on { background: var(--accent); box-shadow: 0 0 0 4px rgba(52, 211, 153, .16); }
.dot.off { background: #64748b; }

.badge {
  font-size: .75rem; padding: 3px 9px; border-radius: 999px;
  background: var(--card-2); border: 1px solid var(--line); color: var(--muted);
}
.badge.alert { background: rgba(248, 113, 113, .14); border-color: rgba(248, 113, 113, .4); color: var(--danger); }
.badge.good { background: rgba(52, 211, 153, .14); border-color: rgba(52, 211, 153, .38); color: var(--accent); }
.badge.warn { background: rgba(251, 191, 36, .14); border-color: rgba(251, 191, 36, .4); color: var(--warn); }

/* ---------- score ---------- */

.score-row { display: flex; align-items: center; gap: 14px; margin-top: 12px; }
.score { font-size: 1.6rem; font-weight: 800; }
.bar { flex: 1; height: 8px; border-radius: 99px; background: var(--card-2); overflow: hidden; }
.bar > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent-2), var(--accent)); }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 14px; }
.fact { background: var(--card-2); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.fact b { display: block; font-size: .95rem; }
.fact span { color: var(--muted); font-size: .78rem; }

/* ---------- controls ---------- */

.row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 0; border-bottom: 1px solid var(--line);
}
.row:last-child { border-bottom: 0; }
.row .grow { flex: 1; min-width: 0; }
.row .title { font-weight: 600; }
.row .desc { color: var(--muted); font-size: .8rem; }

.switch { position: relative; width: 50px; height: 30px; flex: none; }
.switch input { opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.switch i {
  position: absolute; inset: 0; border-radius: 99px;
  background: var(--card-2); border: 1px solid var(--line); transition: .18s; pointer-events: none;
}
.switch i::after {
  content: ""; position: absolute; top: 3px; inset-inline-end: 3px;
  width: 22px; height: 22px; border-radius: 50%; background: #94a3b8; transition: .18s;
}
.switch input:checked + i { background: rgba(52, 211, 153, .25); border-color: var(--accent); }
.switch input:checked + i::after { inset-inline-end: 25px; background: var(--accent); }

button, .btn {
  font: inherit; font-weight: 600; cursor: pointer;
  border-radius: 12px; border: 1px solid var(--line);
  background: var(--card-2); color: var(--text);
  padding: 10px 14px; transition: .15s;
}
button:hover { border-color: var(--accent-2); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: linear-gradient(160deg, var(--accent), var(--accent-2)); color: #06131f; border: 0; }
button.danger { color: var(--danger); border-color: rgba(248, 113, 113, .45); }
button.ghost { background: transparent; }
button.small { padding: 6px 10px; font-size: .82rem; border-radius: 10px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 8px; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], select, textarea {
  font: inherit; width: 100%;
  background: var(--bg-soft); color: var(--text);
  border: 1px solid var(--line); border-radius: 12px; padding: 11px 12px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-2); outline-offset: 1px; }
label.field { display: block; margin-bottom: 12px; }
label.field span { display: block; font-size: .82rem; color: var(--muted); margin-bottom: 6px; }

/* ---------- tabs ---------- */

.tabs { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 10px; margin-bottom: 4px; }
.tabs button {
  white-space: nowrap; padding: 8px 13px; border-radius: 999px;
  background: transparent; color: var(--muted); font-size: .88rem;
}
.tabs button.active { background: var(--card); color: var(--text); border-color: var(--accent-2); }

/* ---------- lists ---------- */

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--card-2); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px 12px; font-size: .85rem;
  direction: ltr;
}
.chip button { background: none; border: 0; color: var(--muted); padding: 0 2px; font-size: 1rem; line-height: 1; }
.chip button:hover { color: var(--danger); }
.inline-form { display: flex; gap: 8px; margin-top: 12px; }
.inline-form input { flex: 1; }

.request { display: flex; align-items: center; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.request:last-child { border-bottom: 0; }
.request .host { flex: 1; font-weight: 600; direction: ltr; text-align: start; word-break: break-all; }

.video-item { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.video-item:last-child { border-bottom: 0; }
.video-main { flex: 1; min-width: 0; }
.video-main .title { display: flex; align-items: center; gap: 8px; font-weight: 650; }
.video-main .meta { color: var(--muted); font-size: .8rem; margin-top: 3px; }
.video-main .mono { direction: ltr; text-align: start; color: var(--muted); font-family: ui-monospace, monospace; font-size: .76rem; overflow-wrap: anywhere; margin-top: 3px; }

@media (max-width: 560px) {
  .video-item { align-items: stretch; flex-direction: column; }
}

.feed { margin: 0; padding: 0; list-style: none; }
.feed li { display: flex; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: .88rem; }
.feed li:last-child { border-bottom: 0; }
.feed time { color: var(--muted); font-size: .76rem; white-space: nowrap; }
.feed .what { flex: 1; }
.feed .host { direction: ltr; unicode-bidi: isolate; color: var(--muted); }

.empty { color: var(--muted); text-align: center; padding: 22px 0; font-size: .9rem; }

/* ---------- enrollment code ---------- */

.code {
  font-size: 2rem; letter-spacing: .22em; font-weight: 800; text-align: center;
  direction: ltr; padding: 18px; border-radius: 14px;
  background: var(--card-2); border: 1px dashed var(--accent);
  margin: 12px 0;
}
.steps { margin: 0; padding-inline-start: 20px; color: var(--muted); font-size: .88rem; }
.steps li { margin-bottom: 6px; }

/* ---------- toast ---------- */

.toast {
  position: fixed; inset-inline: 16px; bottom: calc(18px + env(safe-area-inset-bottom));
  max-width: 520px; margin: 0 auto;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 16px; box-shadow: var(--shadow); z-index: 40; text-align: center;
}
.toast.err { border-color: var(--danger); color: var(--danger); }

.center-page { min-height: 78vh; display: grid; place-items: center; }
.center-page .card { width: 100%; max-width: 400px; }
.back { background: none; border: 0; color: var(--muted); padding: 0; font-size: .9rem; }