:root {
  --bg: #0a1222;
  --bg-soft: #0d1830;
  --panel: #101b2e;
  --card: #152238;
  --card-2: #182742;
  --border: #1e2d47;
  --border-strong: #27395a;
  --text: #e8eefb;
  --text-soft: #c3d0e6;
  --muted: #8698b8;
  --muted-2: #6c80a3;
  --accent: #2f7dfa;
  --accent-soft: #3f8bff;
  --accent-ink: #8dbcff;
  --ok: #34d399;
  --danger: #f87171;
  --radius: 20px;
  --shadow: 0 18px 40px rgba(3, 8, 20, 0.45);
  --font: "Inter", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

/* Author display rules would otherwise beat the UA [hidden] rule (login view, modals). */
[hidden] { display: none !important; }

html, body { height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 15% -10%, rgba(47, 125, 250, 0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(47, 125, 250, 0.06), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button, input, textarea { font-family: inherit; }

.shell {
  max-width: 1320px;
  margin: 0 auto;
  padding: 26px 24px 64px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.018), transparent 40%), var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ── brand ──────────────────────────────────────────────────────────────── */
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { display: inline-flex; }
.brand-text {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: #fff;
}
.brand-accent { color: #3f8bff; margin-left: 1px; }
.brand-lg .brand-text { font-size: 24px; }

/* ── topbar ─────────────────────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px;
  flex-wrap: wrap;
}

.topbar-brand { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }

.greeting-hello { margin: 0; font-size: 16px; font-weight: 600; color: #fff; }
.greeting-hello span { color: #fff; }
.greeting-meta { margin: 2px 0 0; font-size: 13px; color: var(--muted); }

.topbar-links { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }

.link {
  background: none;
  border: 0;
  padding: 4px 0;
  color: var(--text-soft);
  font-size: 14px;
  cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color 0.15s, border-color 0.15s;
}
.link:hover { color: #fff; border-color: rgba(63, 139, 255, 0.6); }
.link-muted { color: var(--muted); }

/* ── guide (how to connect) ─────────────────────────────────────────────── */
.guide { overflow: hidden; }

.guide-head {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 26px;
  background: none;
  border: 0;
  border-bottom: 1px solid transparent;
  text-align: left;
  cursor: pointer;
  color: inherit;
}
.guide-head[aria-expanded="true"] { border-bottom-color: var(--border); }
.guide-head:hover .guide-title { color: #fff; }

.guide-badge {
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #1b2e52;
  border: 1px solid #2a4068;
  color: #7fb0ff;
}

.guide-heading { display: grid; gap: 2px; min-width: 0; }
.guide-heading .eyebrow { margin: 0; font-size: 10.5px; }
.guide-title { font-size: 19px; font-weight: 700; color: var(--text-soft); letter-spacing: -0.3px; }
.guide-meta { font-size: 12.5px; color: var(--muted-2); }

.guide-chevron { margin-left: auto; color: var(--muted); transition: transform 0.18s ease; display: inline-flex; }
.guide-head[aria-expanded="false"] .guide-chevron { transform: rotate(180deg); }

.guide-body { padding: 0 26px 8px; }
.guide-body[hidden] { display: none !important; }

.guide-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--border);
}
.guide-h { margin: 0 0 6px; font-size: 21px; font-weight: 700; color: #fff; letter-spacing: -0.5px; }
.guide-lead { margin: 0; font-size: 13.5px; color: var(--muted); max-width: 720px; line-height: 1.6; }

.guide-device { display: grid; gap: 8px; justify-items: stretch; min-width: 210px; }
.guide-device-label { font-size: 13px; color: var(--muted); text-align: right; }
.guide-device-label b { color: var(--text); font-weight: 600; }

.btn.btn-sm { padding: 9px 15px; font-size: 13px; border-radius: 11px; }

.step-card {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 22px;
  margin-top: 14px;
  background: rgba(255, 255, 255, 0.014);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.step-card:last-child { margin-bottom: 18px; }

.step-rail { display: flex; justify-content: center; }
.step-bullet {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(180deg, #3f8bff, #2f6ef0);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(47, 125, 250, 0.35);
}

.step-content { min-width: 0; }
.step-content .eyebrow { margin: 4px 0 6px; font-size: 10.5px; }
.step-title { margin: 0 0 12px; font-size: 17.5px; font-weight: 700; color: #fff; }
.step-text { margin: 0 0 12px; font-size: 13.5px; color: var(--text-soft); line-height: 1.65; }

.app-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 12px 13px;
  max-width: 430px;
  padding: 14px 16px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
}
.app-icon {
  grid-row: 1;
  grid-column: 1;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #1b2e52;
  border: 1px solid #2a4068;
  color: #8dbcff;
}
.app-meta { grid-row: 1; grid-column: 2; min-width: 0; }
.app-card .btn { grid-row: 2; grid-column: 2; justify-self: start; width: fit-content; }
.app-name { margin: 0; font-size: 14.5px; font-weight: 700; color: #fff; }
.app-sub { margin: 1px 0 0; font-size: 12.5px; color: var(--muted); }

.note-banner, .warn-banner {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin: 14px 0 0;
  padding: 12px 15px;
  border-radius: 12px;
  font-size: 12.8px;
  line-height: 1.55;
}
.note-banner {
  background: rgba(47, 125, 250, 0.09);
  border: 1px solid rgba(47, 125, 250, 0.28);
  color: var(--text-soft);
}
.note-banner svg { flex: 0 0 auto; margin-top: 1px; color: #7fb0ff; }
.note-banner b { color: #fff; font-weight: 600; }

.warn-banner {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.28);
  color: #f3b4b4;
}
.warn-banner svg { flex: 0 0 auto; margin-top: 1px; color: #f87171; }

.mini-steps { display: grid; gap: 8px; margin-bottom: 14px; max-width: 720px; }
.mini-step {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
}
.mini-step b { display: block; font-size: 13.5px; color: #fff; font-weight: 600; }
.mini-step span:not(.mini-num) { display: block; font-size: 12.5px; color: var(--muted); }
.mini-num {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #1d2f50;
  color: #a9c2e6;
  font-size: 11.5px;
  font-weight: 700;
}

.file-card {
  max-width: 760px;
  padding: 15px 17px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 16px;
}
.file-head { display: flex; gap: 12px; align-items: flex-start; }
.file-icon {
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: #1b2e52;
  border: 1px solid #2a4068;
  color: #8dbcff;
}
.file-head b { font-size: 14px; color: #fff; font-weight: 700; display: block; }
.file-head span { font-size: 12.5px; color: var(--muted); }

.file-steps { margin: 12px 0 0; padding-left: 20px; font-size: 13.2px; color: var(--text-soft); line-height: 1.75; }
.file-steps li { margin-bottom: 2px; }
.file-steps code, .warn-banner code, .guide-foot code {
  background: #0b1626;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 5px;
  font-size: 12px;
}

.guide-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0 0; }

.help-card {
  margin-top: 16px;
  padding: 15px 18px;
  background: #0e1a2e;
  border: 1px solid var(--border);
  border-radius: 14px;
}
.help-card h4 { margin: 0 0 8px; font-size: 14.5px; font-weight: 700; color: #fff; }
.help-card ul { margin: 0; padding-left: 18px; font-size: 13px; color: var(--muted); line-height: 1.75; }

.guide-foot { margin: 14px 0 0; font-size: 12.5px; color: var(--muted-2); }
.guide-foot a { color: var(--accent-ink); text-decoration: none; border-bottom: 1px dashed rgba(141, 188, 255, 0.4); }
.guide-foot a:hover { color: #fff; }
.dot-sep { margin: 0 7px; opacity: 0.6; }

/* device picker popover */
.os-menu {
  position: fixed;
  z-index: 80;
  min-width: 180px;
  padding: 6px;
  display: grid;
  gap: 2px;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  animation: pop 0.14s ease-out;
}
.os-menu button {
  text-align: left;
  padding: 9px 12px;
  border: 0;
  border-radius: 8px;
  background: none;
  color: var(--text-soft);
  font-size: 13.5px;
  cursor: pointer;
}
.os-menu button:hover { background: #1b2e52; color: #fff; }

/* highlight after "Перейти к проверке" */
.device-grid.is-flash { animation: flash-ring 1.2s ease-out; }
@keyframes flash-ring {
  0% { box-shadow: 0 0 0 0 rgba(47, 125, 250, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(47, 125, 250, 0); }
  100% { box-shadow: 0 0 0 0 rgba(47, 125, 250, 0); }
}

/* ── devices panel ──────────────────────────────────────────────────────── */
.devices-panel { padding: 28px 30px 32px; }

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 26px;
}

.eyebrow {
  margin: 0 0 10px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: #5f86c9;
}

.panel-title {
  margin: 0;
  font-size: clamp(28px, 3.2vw, 42px);
  font-weight: 800;
  letter-spacing: -1.2px;
  line-height: 1.1;
  color: #fff;
}

.panel-sub { margin: 8px 0 0; font-size: 14px; color: var(--muted); }

.panel-head-right { display: flex; align-items: center; gap: 14px; padding-top: 14px; flex-wrap: wrap; }

.counter {
  padding: 9px 15px;
  border-radius: 999px;
  background: #16233c;
  border: 1px solid var(--border-strong);
  font-size: 13.5px;
  color: var(--text-soft);
  white-space: nowrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(180deg, #3f8bff, #2f6ef0);
  color: #fff;
  box-shadow: 0 10px 26px rgba(47, 125, 250, 0.32);
}
.btn-primary:hover { box-shadow: 0 12px 30px rgba(47, 125, 250, 0.45); }

.btn-ghost {
  background: #182742;
  border-color: var(--border-strong);
  color: var(--text-soft);
}
.btn-ghost:hover { border-color: #35507d; color: #fff; }

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: rgba(239, 68, 68, 0.35);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.18); }

.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; }

.device-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.device-card {
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  padding: 18px 20px 14px;
  transition: border-color 0.16s, background 0.16s, transform 0.16s;
}
.device-card:hover { border-color: #34527f; background: #17263f; }

.device-top { display: flex; gap: 14px; align-items: flex-start; }

.device-icon {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: #1b2e52;
  border: 1px solid #2a4068;
  color: #7fb0ff;
  display: grid;
  place-items: center;
}

.device-info { min-width: 0; }

.device-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  overflow-wrap: anywhere;
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #41567c;
  flex: 0 0 auto;
}
.dot.online { background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.16); }

.device-meta {
  margin-top: 5px;
  font-size: 13px;
  color: var(--text-soft);
  display: flex;
  align-items: center;
  gap: 7px;
  flex-wrap: wrap;
}
.flag { font-size: 14px; display: inline-flex; align-items: center; }
.flag-svg { display: block; border-radius: 2.5px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.16); }

.device-sub { margin-top: 3px; font-size: 12.5px; color: var(--muted-2); }

.device-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 15px;
  padding-top: 13px;
  border-top: 1px solid #1c2b45;
}
.spacer { flex: 1; }

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: #17253f;
  border: 1px solid #24365a;
  color: #93a8c9;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.icon-btn:hover { color: #fff; border-color: #35507d; }
.icon-btn.danger { color: #f87171; border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.07); }
.icon-btn.danger:hover { background: rgba(239, 68, 68, 0.16); }
.icon-btn.accent { color: var(--accent-ink); border-color: rgba(47, 125, 250, 0.35); background: rgba(47, 125, 250, 0.09); }
.icon-btn.accent:hover { background: rgba(47, 125, 250, 0.18); }
.icon-btn.close { background: transparent; border-color: transparent; }

.empty { padding: 44px 10px; text-align: center; }
.empty-title { margin: 0 0 6px; font-size: 17px; font-weight: 700; color: #fff; }
.empty-sub { margin: 0; font-size: 14px; color: var(--muted); }

.server-strip {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: var(--muted-2);
}
.server-strip b { color: var(--text-soft); font-weight: 600; }

/* ── login ──────────────────────────────────────────────────────────────── */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 34px 32px 28px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}
.login-title { margin: 12px 0 0; font-size: 24px; font-weight: 800; letter-spacing: -0.6px; }
.login-sub { margin: 0 0 6px; font-size: 14px; color: var(--muted); }
.login-foot { margin: 6px 0 0; font-size: 12px; color: var(--muted-2); text-align: center; }

/* ── form ───────────────────────────────────────────────────────────────── */
.field { display: grid; gap: 7px; }
.field > span { font-size: 13px; font-weight: 600; color: var(--muted); }

.field input, .field textarea, .config-area {
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  width: 100%;
}
.field input:focus, .field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(47, 125, 250, 0.16);
}
.field textarea { resize: vertical; min-height: 84px; }

.form-error {
  margin: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
  font-size: 13px;
}

.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ── modal ──────────────────────────────────────────────────────────────── */
.modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(4, 8, 17, 0.72);
  backdrop-filter: blur(7px);
  display: grid;
  place-items: center;
  padding: 22px;
  overflow: auto;
}
.modal[hidden] { display: none; }

.modal-card {
  width: min(760px, 100%);
  max-height: 92vh;
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  padding: 26px 30px 22px;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.5);
  animation: pop 0.16s ease-out;
}
.modal-lg { width: min(880px, 100%); }
.modal-sm { width: min(420px, 100%); }

@keyframes pop {
  from { opacity: 0; transform: translateY(8px) scale(0.99); }
  to { opacity: 1; transform: none; }
}

.modal-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.modal-title { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.8px; color: #fff; }
.modal-sub { margin: 6px 0 0; font-size: 13.5px; color: var(--muted); }
.modal-body { display: grid; gap: 16px; margin-top: 20px; }
.modal-foot {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.modal-foot > .btn:first-child:not(:only-child) { margin-right: auto; }

/* ── wizard ─────────────────────────────────────────────────────────────── */
.steps {
  display: flex;
  gap: 34px;
  list-style: none;
  margin: 24px 0 8px;
  padding: 0;
  flex-wrap: wrap;
}
.step { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--muted-2); }
.step-num {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #1a2a48;
  color: #93a8c9;
  font-size: 13px;
  font-weight: 700;
}
.step.is-active { color: #fff; }
.step.is-active .step-num { background: var(--accent); color: #fff; box-shadow: 0 6px 18px rgba(47, 125, 250, 0.4); }
.step.is-done { color: var(--text-soft); }
.step.is-done .step-num { background: rgba(52, 211, 153, 0.16); color: var(--ok); }

.wiz-body { margin-top: 20px; }
.wiz-question { margin: 0 0 16px; font-size: 19px; font-weight: 700; color: #fff; }

.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }

.tile {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding: 24px 10px 18px;
  background: var(--card);
  border: 1.5px solid var(--border-strong);
  border-radius: 16px;
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.tile:hover { border-color: #3a5e97; color: #fff; }
.tile.is-selected {
  border-color: var(--accent);
  background: rgba(47, 125, 250, 0.12);
  color: #fff;
  box-shadow: inset 0 0 0 1px rgba(47, 125, 250, 0.35);
}

.proto-list { display: grid; gap: 12px; margin-bottom: 18px; }
.proto {
  display: grid;
  gap: 6px;
  text-align: left;
  padding: 15px 18px;
  background: var(--card);
  border: 1.5px solid var(--border-strong);
  border-radius: 16px;
  color: var(--text-soft);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.proto:hover { border-color: #3a5e97; }
.proto.is-selected { border-color: var(--accent); background: rgba(47, 125, 250, 0.1); }
.proto-head { display: flex; align-items: center; gap: 10px; }
.proto-head strong { font-size: 15.5px; color: #fff; }
.proto-desc { font-size: 13px; color: var(--muted); line-height: 1.5; }

.pill {
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(47, 125, 250, 0.16);
  color: var(--accent-ink);
}
.pill-rec { background: rgba(52, 211, 153, 0.14); color: #6ee7b7; }

.result { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 24px; align-items: start; }
.result-qr { background: #fff; padding: 12px; border-radius: 16px; display: grid; place-items: center; }
.result-qr img { width: 100%; height: auto; display: block; border-radius: 6px; }
.result-hint { margin: 0 0 14px; font-size: 13.5px; color: var(--muted); }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }

.config-preview, .config-area {
  margin: 0;
  background: #08111f;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11.5px;
  line-height: 1.55;
  color: #9fb4d6;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 220px;
  overflow: auto;
}
.config-area { width: 100%; resize: vertical; }

.kv { display: grid; grid-template-columns: auto 1fr; gap: 7px 14px; font-size: 13px; }
.kv dt, .kv .k { color: var(--muted); }
.kv dd, .kv .v { margin: 0; color: var(--text-soft); text-align: right; word-break: break-all; }

.qr-body { justify-items: center; }
.qr-body img { background: #fff; padding: 12px; border-radius: 16px; width: 260px; height: 260px; }
.qr-hint { margin: 4px 0 0; font-size: 13px; color: var(--muted); text-align: center; }

.guide { display: grid; gap: 6px; }
.guide h3 { margin: 12px 0 0; font-size: 15px; color: #fff; }
.guide p { margin: 0; font-size: 14px; color: var(--text-soft); line-height: 1.65; }
.guide code {
  background: #0b1626;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-size: 12.5px;
}

/* ── users list ─────────────────────────────────────────────────────────── */
.users-list { display: grid; gap: 8px; }

.user-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
}
.user-name { font-size: 14px; font-weight: 600; color: #fff; display: flex; align-items: center; gap: 8px; }
.user-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(47, 125, 250, 0.16);
  color: var(--accent-ink);
}
.user-meta { font-size: 12.5px; color: var(--muted); text-align: right; white-space: nowrap; }
.user-del {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
  cursor: pointer;
}
.user-del:hover { background: rgba(239, 68, 68, 0.18); }

.owner-tag {
  display: inline-block;
  margin-top: 4px;
  font-size: 11.5px;
  color: var(--muted-2);
  background: #12203a;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 1px 8px;
}

/* ── toast ──────────────────────────────────────────────────────────────── */.toast {
  position: fixed;
  left: 50%;
  bottom: 30px;
  transform: translateX(-50%);
  z-index: 100;
  max-width: min(560px, 90vw);
  padding: 13px 20px;
  border-radius: 12px;
  background: #1a2b49;
  border: 1px solid #33507f;
  color: #e8eefb;
  font-size: 14px;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  animation: pop 0.16s ease-out;
}
.toast.is-error { background: #3a1520; border-color: #7f2431; color: #fecdd3; }
.toast[hidden] { display: none; }

/* ── responsive ─────────────────────────────────────────────────────────── */
@media (max-width: 980px) {
  .device-grid { grid-template-columns: 1fr; }
  .result { grid-template-columns: 1fr; }
  .result-qr { justify-self: center; }
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .topbar { align-items: flex-start; }
}

@media (max-width: 640px) {
  .shell { padding: 16px 14px 48px; }
  .topbar { padding: 18px; }
  .devices-panel { padding: 22px 18px 26px; }
  .panel-head-right { padding-top: 0; width: 100%; }
  .panel-head-right .btn { flex: 1; }
  .modal-card { padding: 22px 18px 18px; border-radius: 18px; }
  .steps { gap: 18px; }
  .row-2 { grid-template-columns: 1fr; }
  .topbar-links { gap: 16px; }
}