/* ===== Тема: тёмная по умолчанию, светлая по системной настройке ===== */
:root {
  color-scheme: dark;
  --bg: #090d18;
  --surface: rgba(255, 255, 255, .045);
  --surface-2: rgba(255, 255, 255, .075);
  --line: rgba(255, 255, 255, .09);
  --text: #eef1f8;
  --muted: #8f99b0;
  --accent: #6d6bff;
  --accent-2: #22d3ee;
  --grad: linear-gradient(135deg, #6d6bff 0%, #22d3ee 100%);
  --ok: #34d399;
  --bad: #f87171;
  --warn: #fbbf24;
  --field: rgba(255, 255, 255, .06);
  --shadow: 0 10px 40px rgba(0, 0, 0, .35);
  --glow: radial-gradient(900px 520px at 50% -12%, rgba(109, 107, 255, .28), transparent 62%),
          radial-gradient(640px 420px at 105% 8%, rgba(34, 211, 238, .14), transparent 60%);
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f3f5fb;
    --surface: #ffffff;
    --surface-2: #eef1fa;
    --line: #e3e7f2;
    --text: #0e1526;
    --muted: #64708a;
    --field: #f3f5fb;
    --shadow: 0 10px 30px rgba(31, 41, 90, .08);
    --glow: radial-gradient(900px 520px at 50% -12%, rgba(109, 107, 255, .16), transparent 62%),
            radial-gradient(640px 420px at 105% 8%, rgba(34, 211, 238, .12), transparent 60%);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; color: var(--text);
  background: var(--glow), var(--bg); background-attachment: fixed;
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, system-ui, sans-serif;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 600px; margin: 0 auto; padding: 18px 16px 48px; }
.wrap.wide { max-width: 920px; }
h1 { font-size: 1.9rem; line-height: 1.15; margin: 0 0 6px; letter-spacing: -.02em; }
h2 { font-size: 1.1rem; margin: 0 0 4px; letter-spacing: -.01em; }
h3 { font-size: .95rem; margin: 0; }
p { margin: 0 0 10px; }
a { color: var(--accent-2); }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
code { background: var(--field); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: .88em; }

/* ===== Шапка ===== */
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 6px 0 18px; }
.brand { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; }
.brand .logo { width: 34px; height: 34px; flex: none; }
.brand small { display: block; font-weight: 500; font-size: .75rem; color: var(--muted); letter-spacing: 0; }
.barlinks { display: flex; align-items: center; gap: 8px; }
.linkbtn { background: none; border: 0; padding: 8px 10px; font: inherit; font-size: .9rem; color: var(--muted); cursor: pointer; border-radius: 10px; }
.linkbtn:hover { color: var(--text); background: var(--surface); }

/* ===== Карточки ===== */
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: 22px;
  padding: 20px; margin: 14px 0; box-shadow: var(--shadow);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.card.narrow { margin: 9vh auto 0; max-width: 440px; padding: 28px 24px; }
.hero { padding: 6px 2px 8px; }
.hero .eyebrow { margin: 0 0 4px; font-size: .78rem; text-transform: uppercase; letter-spacing: .12em; color: var(--accent); font-weight: 600; }
.hero .lead { color: var(--muted); }

/* ===== Кнопки и поля ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 18px; font: inherit; font-weight: 600; text-align: center; text-decoration: none; cursor: pointer;
  color: var(--text); background: var(--surface-2); border: 1px solid var(--line); border-radius: 14px;
  transition: transform .06s ease, background .15s ease, border-color .15s ease;
}
.btn:hover { border-color: rgba(255, 255, 255, .22); }
.btn:active { transform: scale(.98); }
.btn.primary { color: #fff; background: var(--grad); border-color: transparent; box-shadow: 0 8px 24px rgba(109, 107, 255, .35); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.small { padding: 8px 13px; font-size: .85rem; border-radius: 11px; }
.btn.danger { color: var(--bad); }
.btn.block { width: 100%; }
.btn.ghost { background: transparent; }

label { display: block; margin: 14px 0; font-size: .85rem; color: var(--muted); font-weight: 500; }
input, textarea {
  display: block; width: 100%; margin-top: 6px; padding: 13px 14px; font: inherit; color: var(--text);
  background: var(--field); border: 1px solid var(--line); border-radius: 14px;
}
input::placeholder { color: var(--muted); opacity: .8; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
textarea.secret { font: .74rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; resize: vertical; word-break: break-all; }
form.stack { margin: 0; }
form.stack .btn { margin-top: 6px; }
.row { display: flex; gap: 8px; }
.row input { margin: 0; flex: 1 1 auto; min-width: 0; }
.row .btn { flex: none; }

/* ===== Уведомления ===== */
.toast { padding: 12px 16px; border-radius: 14px; margin: 0 0 14px; border: 1px solid var(--line); background: var(--surface-2); word-break: break-word; }
.toast.ok { border-color: rgba(52, 211, 153, .5); background: rgba(52, 211, 153, .1); }
.toast.err { border-color: rgba(248, 113, 113, .5); background: rgba(248, 113, 113, .1); color: var(--bad); }

/* ===== Устройства (пользователь) ===== */
.devices { display: flex; flex-wrap: wrap; gap: 8px; margin: 4px 0 6px; }
.pill {
  display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px;
  color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem;
  background: var(--surface); border: 1px solid var(--line);
}
.pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.pill.active { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 6px 20px rgba(109, 107, 255, .3); }
.pill.active::before { background: #fff; }
.devhead { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 6px; }
details.fold { margin-top: 10px; border-top: 1px solid var(--line); padding-top: 10px; }
details.fold > summary { cursor: pointer; color: var(--muted); font-size: .9rem; list-style: none; padding: 6px 0; }
details.fold > summary::-webkit-details-marker { display: none; }
details.fold > summary::before { content: "▸"; display: inline-block; margin-right: 8px; transition: transform .15s; }
details.fold[open] > summary::before { transform: rotate(90deg); }
details.fold[open] > summary { color: var(--text); }

/* ===== Шаги подключения ===== */
.step { display: flex; gap: 14px; }
.step + .step { margin-top: 22px; }
.num { flex: none; width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: .9rem; color: #fff; background: var(--grad); }
.step .body { flex: 1; min-width: 0; }
.step h3 { font-size: 1rem; margin: 3px 0 4px; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0 6px; }
.actions .btn { flex: 1 1 180px; }
.seg { display: flex; gap: 4px; padding: 4px; margin: 10px 0 14px; background: var(--field); border: 1px solid var(--line); border-radius: 14px; }
.seg .tab { flex: 1; padding: 10px 6px; font: inherit; font-weight: 600; font-size: .9rem; color: var(--muted); background: none; border: 0; border-radius: 10px; cursor: pointer; }
.seg .tab.active { color: var(--text); background: var(--surface-2); box-shadow: 0 2px 10px rgba(0, 0, 0, .18); }
.js .panel[hidden] { display: none; }
.badge { display: inline-block; margin-left: 6px; padding: 2px 8px; font-size: .7rem; font-weight: 700; color: var(--ok); background: rgba(52, 211, 153, .12); border-radius: 999px; vertical-align: middle; }

.qrbox { display: flex; justify-content: center; margin: 6px 0 4px; }
.qr-frame { background: #fff; padding: 14px; border-radius: 20px; width: min(100%, 300px); box-shadow: 0 8px 30px rgba(0, 0, 0, .25); }
.qr-frame[hidden] { display: none; }
.qr-frame svg { display: block; width: 100%; height: auto; }

/* ===== Админка ===== */
.status { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; font-size: .82rem; font-weight: 600; background: var(--surface); border: 1px solid var(--line); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); flex: none; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 4px rgba(52, 211, 153, .18); }
.dot.bad { background: var(--bad); box-shadow: 0 0 0 4px rgba(248, 113, 113, .18); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 0 0 16px; }
.stat { padding: 16px; border-radius: 18px; background: var(--surface); border: 1px solid var(--line); }
.stat b { display: block; font-size: 1.9rem; line-height: 1; letter-spacing: -.02em; }
.stat span { font-size: .8rem; color: var(--muted); }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 0 0 12px; }
.toolbar input { margin: 0; flex: 1 1 200px; }
.filters { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 12px; }
.chip { padding: 7px 13px; font: inherit; font-size: .85rem; font-weight: 600; color: var(--muted); background: none; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.chip.active { color: var(--text); background: var(--surface-2); border-color: rgba(255, 255, 255, .2); }

.list { display: grid; gap: 8px; }
details.person { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
details.person[open] { border-color: rgba(109, 107, 255, .5); }
details.person > summary { display: flex; align-items: center; gap: 12px; padding: 12px 14px; cursor: pointer; list-style: none; }
details.person > summary::-webkit-details-marker { display: none; }
.avatar { flex: none; width: 40px; height: 40px; border-radius: 13px; display: grid; place-items: center; font-weight: 700; color: #fff; background: var(--grad); position: relative; }
.avatar.off { background: var(--surface-2); color: var(--muted); }
.avatar .dot { position: absolute; right: -3px; bottom: -3px; border: 2px solid var(--bg); width: 14px; height: 14px; }
.pinfo { flex: 1; min-width: 0; }
.pinfo b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pinfo span { display: block; font-size: .82rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tag { flex: none; padding: 3px 10px; font-size: .74rem; font-weight: 700; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.tag.ok { color: var(--ok); background: rgba(52, 211, 153, .12); }
.tag.bad { color: var(--bad); background: rgba(248, 113, 113, .12); }
.tag.warn { color: var(--warn); background: rgba(251, 191, 36, .12); }
.chev { flex: none; color: var(--muted); transition: transform .15s; }
details[open] > summary .chev { transform: rotate(90deg); }
.pbody { padding: 4px 14px 16px; border-top: 1px solid var(--line); }
.dev { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: .9rem; }
.dev:last-of-type { border-bottom: 0; }
.dev .name { flex: 1; min-width: 0; font-weight: 600; }
.dev .meta { color: var(--muted); font-size: .8rem; text-align: right; }
.cred { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 10px 0 6px; padding: 10px 12px; background: var(--field); border: 1px solid var(--line); border-radius: 14px; font-size: .88rem; }
.cred code { background: none; border: 0; font-size: .95rem; padding: 0; }
.cred .btn { margin-left: auto; }
.pactions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.pactions form { margin: 0; }
.empty { padding: 26px 10px; text-align: center; color: var(--muted); }

.old .dev .name { font-weight: 500; }
.addbox { margin: 0 0 12px; }
.addbox > summary { list-style: none; display: inline-flex; }
.addbox > summary::-webkit-details-marker { display: none; }
.addbox .card { margin-top: 10px; }

@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  .stat b { font-size: 1.5rem; }
  .tag { display: none; }
  .dev { flex-wrap: wrap; }
  .dev .meta { text-align: left; width: 100%; }
}