/* ═══════════════════════════════════════════════════════════════════════
   remote-wake — dark glass UI
   Phone-first (~390 px), comfortable up to desktop. No build step.
   ═══════════════════════════════════════════════════════════════════ */

:root {
  /* palette */
  --ink-0: #05060d;
  --ink-1: #0b0e1a;
  --ink-2: #12162a;
  --cyan: #7ee7ff;
  --cyan-dim: #3fb6d8;
  --indigo: #7c8aff;
  --violet: #a78bfa;
  --danger: #ff5f6d;
  --danger-dim: #c8394a;
  --amber: #ffc36b;
  --green: #4ade80;

  --text: #eef1f8;
  --text-2: rgba(238, 241, 248, .66);
  --text-3: rgba(238, 241, 248, .42);

  /* glass */
  --glass: rgba(255, 255, 255, .045);
  --glass-2: rgba(255, 255, 255, .07);
  --hairline: rgba(255, 255, 255, .09);
  --hairline-2: rgba(255, 255, 255, .14);
  --blur: saturate(160%) blur(20px);

  /* geometry */
  --r-card: 22px;
  --r-btn: 14px;
  --r-pill: 999px;
  --pad: 18px;
  --gap: 14px;
  --maxw: 460px;

  /* motion */
  --spring: cubic-bezier(.2, .9, .28, 1.3);
  --ease: cubic-bezier(.22, .61, .36, 1);
  --t-fast: .16s;
  --t: .28s;

  --shadow-lift: 0 18px 40px -18px rgba(0, 0, 0, .85);
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--ink-0);
  color: var(--text);
  font: 400 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", "Noto Sans", sans-serif;
  font-synthesis-weight: none;
  letter-spacing: -.011em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  overscroll-behavior-y: none;
  -webkit-tap-highlight-color: transparent;
}

.mono {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, "Cascadia Mono",
               "Roboto Mono", monospace;
  font-variant-ligatures: none;
}

/* ── ambient background ─────────────────────────────────────────────── */
.aurora {
  position: fixed;
  inset: -20vh -20vw;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(46vmax 40vmax at 18% -6%,  rgba(124, 138, 255, .30), transparent 62%),
    radial-gradient(40vmax 36vmax at 92% 10%,  rgba(126, 231, 255, .18), transparent 60%),
    radial-gradient(52vmax 44vmax at 60% 104%, rgba(167, 139, 250, .20), transparent 62%),
    linear-gradient(180deg, var(--ink-1), var(--ink-0) 60%);
  filter: blur(6px);
}

/* ── layout ────────────────────────────────────────────────────────── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: calc(var(--safe-t) + 14px) var(--pad) 12px;
  background: linear-gradient(180deg, rgba(5, 6, 13, .92), rgba(5, 6, 13, .55) 70%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.topbar-brand { display: flex; align-items: center; gap: 10px; min-width: 0; }

.brand-mark {
  width: 26px; height: 26px; flex: none;
  border-radius: 8px;
  background: conic-gradient(from 210deg, var(--indigo), var(--cyan), var(--violet), var(--indigo));
  box-shadow: 0 0 0 1px var(--hairline), 0 6px 18px -8px var(--indigo);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 6px;
  border-radius: 50%;
  border: 2px solid rgba(5, 6, 13, .9);
  border-top-color: transparent;
}

.brand-name { font-weight: 620; letter-spacing: -.02em; font-size: 17px; }
.brand-dim { color: var(--text-3); font-weight: 500; }

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 4px var(--pad) calc(40px + var(--safe-b));
}

.view { display: flex; flex-direction: column; gap: var(--gap); animation: view-in .34s var(--ease) both; }
.view[hidden] { display: none; }

@keyframes view-in { from { opacity: 0; transform: translateY(10px); } }

.view-head {
  display: flex; align-items: center; gap: 8px;
  margin: 2px 0 4px;
}
.view-head h1 { font-size: 22px; font-weight: 640; letter-spacing: -.025em; margin: 0; }

/* ── boot ──────────────────────────────────────────────────────────── */
.boot {
  position: fixed; inset: 0;
  display: grid; place-content: center; justify-items: center; gap: 18px;
  background: var(--ink-0);
  z-index: 60;
  transition: opacity .35s var(--ease), visibility .35s;
}
.boot[hidden] { display: grid; opacity: 0; visibility: hidden; pointer-events: none; }
.boot-mark {
  width: 54px; height: 54px; border-radius: 50%;
  border: 2px solid var(--hairline-2);
  border-top-color: var(--cyan);
  animation: spin 1s linear infinite;
}
.boot-text { color: var(--text-3); font-size: 14px; margin: 0; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── cards ─────────────────────────────────────────────────────────── */
.card {
  position: relative;
  border-radius: var(--r-card);
  padding: var(--pad);
  background: var(--glass);
  border: 1px solid var(--hairline);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: var(--shadow-lift), inset 0 1px 0 rgba(255, 255, 255, .06);
}
.card::before {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .16), transparent 42%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}
.card-danger { border-color: rgba(255, 95, 109, .22); }
.card-danger::before { background: linear-gradient(160deg, rgba(255, 95, 109, .28), transparent 42%); }

.card-head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  margin-bottom: 10px;
}
.card-head h2 {
  margin: 0;
  font-size: 12px; font-weight: 640;
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--text-3);
}
.card-sub { margin: 0 0 14px; color: var(--text-2); font-size: 13.5px; line-height: 1.45; }
.card-note { margin: 12px 0 0; color: var(--text-3); font-size: 12.5px; }

/* ── device card ───────────────────────────────────────────────────── */
.device-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.device-id-wrap { min-width: 0; }
.device-name {
  margin: 0; font-size: 24px; font-weight: 660; letter-spacing: -.03em;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.device-id { margin: 3px 0 0; font-size: 12px; color: var(--text-3); letter-spacing: .02em; }

.presence { display: flex; align-items: center; gap: 9px; margin-top: 14px; }
.presence-text { font-size: 14px; color: var(--text-2); }

.dot {
  width: 9px; height: 9px; border-radius: 50%; flex: none;
  background: var(--text-3);
  position: relative;
  transition: background var(--t) var(--ease);
}
.dot[data-state="online"] { background: var(--green); box-shadow: 0 0 10px rgba(74, 222, 128, .7); }
.dot[data-state="online"]::after {
  content: "";
  position: absolute; inset: -3px;
  border-radius: 50%;
  border: 1.5px solid var(--green);
  animation: ping 1.9s var(--ease) infinite;
}
.dot[data-state="offline"] { background: var(--text-3); }
.dot[data-state="error"] { background: var(--amber); box-shadow: 0 0 10px rgba(255, 195, 107, .5); }

@keyframes ping {
  0%   { opacity: .85; transform: scale(.85); }
  70%  { opacity: 0;   transform: scale(2.4); }
  100% { opacity: 0;   transform: scale(2.4); }
}

.stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hairline);
}
.stat { min-width: 0; }
.stats dt {
  font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text-3); margin-bottom: 3px;
}
.stats dd {
  margin: 0; font-size: 14px; font-weight: 550;
  font-variant-numeric: tabular-nums;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* ── the WAKE button ───────────────────────────────────────────────── */
.wake-zone { display: grid; justify-items: center; gap: 12px; padding: 14px 0 4px; }

.wake {
  --size: min(216px, 56vw);
  position: relative;
  width: var(--size); height: var(--size);
  border: 0; padding: 0; margin: 0;
  border-radius: 50%;
  background: none;
  cursor: pointer;
  color: inherit;
  display: grid; place-items: center;
  touch-action: manipulation;
  -webkit-user-select: none; user-select: none;
  transition: transform .34s var(--spring);
}
.wake:active { transform: scale(.955); }
.wake:disabled { cursor: not-allowed; }

.wake-face {
  position: relative;
  width: 100%; height: 100%;
  border-radius: 50%;
  display: grid; place-items: center; gap: 6px; align-content: center;
  background:
    radial-gradient(110% 110% at 30% 20%, rgba(255, 255, 255, .18), transparent 55%),
    conic-gradient(from 200deg, #4d5ce0, #2ea7cf 35%, #7c8aff 62%, #a78bfa 82%, #4d5ce0);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, .35),
    inset 0 -10px 26px rgba(0, 0, 0, .45),
    0 22px 60px -22px rgba(124, 138, 255, .95),
    0 0 0 1px rgba(255, 255, 255, .1);
  transition: box-shadow var(--t) var(--ease), filter var(--t) var(--ease);
}
.wake:active .wake-face { filter: brightness(1.12); }

.wake-glyph {
  width: 40%; height: auto;
  fill: none; stroke: #fff; stroke-width: 3.4;
  stroke-linecap: round;
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, .4));
}
.wake-label {
  font-size: 13px; font-weight: 700; letter-spacing: .22em;
  color: rgba(255, 255, 255, .95);
  text-indent: .22em;
}

/* concentric "radio wave" rings that pulse on send */
.wake-ring {
  position: absolute; inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(126, 231, 255, .55);
  opacity: 0;
  pointer-events: none;
}
.wake.sending .wake-ring { animation: wave 1.5s var(--ease) infinite; }
.wake.sending .wake-ring-2 { animation-delay: .5s; }
@keyframes wave {
  0%   { opacity: .7; transform: scale(1); }
  100% { opacity: 0;  transform: scale(1.55); }
}

.wake.busy .wake-face { filter: saturate(.5) brightness(.8); }
.wake.ok .wake-face   { animation: pop-ok .6s var(--ease); }
.wake.err .wake-face  { animation: shake .45s var(--ease); }
@keyframes pop-ok {
  40% { box-shadow: inset 0 1px 0 rgba(255,255,255,.35), 0 0 0 14px rgba(74, 222, 128, .18), 0 22px 60px -22px rgba(74, 222, 128, .9); }
}
@keyframes shake {
  20%, 60% { transform: translateX(-7px); }
  40%, 80% { transform: translateX(7px); }
}

.wake-hint { margin: 0; font-size: 12.5px; color: var(--text-3); text-align: center; max-width: 30ch; }

/* ── buttons ───────────────────────────────────────────────────────── */
.btn {
  appearance: none;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: var(--r-btn);
  border: 1px solid var(--hairline-2);
  background: var(--glass-2);
  color: var(--text);
  font: inherit; font-size: 15px; font-weight: 570;
  letter-spacing: -.01em;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-user-select: none; user-select: none;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease),
              opacity var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.btn:active { transform: scale(.972); }
.btn:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.btn-block { width: 100%; }
.btn-sm { min-height: 36px; padding: 0 12px; font-size: 13.5px; border-radius: 10px; }

.btn-primary {
  border-color: transparent;
  background: linear-gradient(140deg, var(--indigo), #4d5ce0 55%, var(--cyan-dim));
  color: #fff;
  box-shadow: 0 12px 28px -14px rgba(124, 138, 255, .95), inset 0 1px 0 rgba(255, 255, 255, .28);
}
.btn-ghost:hover { background: rgba(255, 255, 255, .1); }
.btn-danger-ghost {
  border-color: rgba(255, 95, 109, .35);
  background: rgba(255, 95, 109, .1);
  color: #ff9aa3;
}
.btn-danger {
  border-color: transparent;
  background: linear-gradient(140deg, var(--danger), var(--danger-dim));
  color: #fff;
  box-shadow: 0 12px 28px -14px rgba(255, 95, 109, .9);
}
.btn-ico { width: 18px; height: 18px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.btn-row { display: flex; gap: 10px; margin-top: 14px; }
.mt { margin-top: 12px; }
.btn-row .btn { flex: 1; }

.icon-btn {
  width: 40px; height: 40px; flex: none;
  display: grid; place-items: center;
  border-radius: 12px;
  border: 1px solid var(--hairline);
  background: var(--glass);
  color: var(--text-2);
  cursor: pointer;
  transition: transform var(--t-fast) var(--ease), color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}
.icon-btn:active { transform: scale(.9); }
.icon-btn:hover { color: var(--text); background: var(--glass-2); }
.icon-btn.small { width: 34px; height: 34px; border-radius: 10px; }
.icon-btn svg { width: 19px; height: 19px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-btn.spinning svg { animation: spin .8s linear infinite; }

.text-btn {
  border: 0; background: none; padding: 4px 2px;
  color: var(--cyan); font: inherit; font-size: 13.5px; font-weight: 560;
  cursor: pointer;
}
.text-btn:active { opacity: .6; }

.pill {
  font-size: 10.5px; font-weight: 620; letter-spacing: .07em; text-transform: uppercase;
  padding: 4px 9px; border-radius: var(--r-pill);
  background: var(--glass-2); color: var(--text-3);
  border: 1px solid var(--hairline);
}
.pill-danger { color: #ff9aa3; border-color: rgba(255, 95, 109, .3); background: rgba(255, 95, 109, .1); }

/* ── key chips ─────────────────────────────────────────────────────── */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  appearance: none;
  padding: 9px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hairline-2);
  background: var(--glass-2);
  color: var(--text);
  font: inherit; font-size: 13px; font-weight: 550;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--t-fast) var(--ease), background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}
.chip:active { transform: scale(.94); }
.chip:hover { border-color: rgba(126, 231, 255, .4); background: rgba(126, 231, 255, .1); }
.chip-add { color: var(--cyan); border-style: dashed; }

.seq-strip {
  margin-top: 14px; padding-top: 14px;
  border-top: 1px solid var(--hairline);
  display: grid; gap: 12px;
}
.seq-list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.seq-item {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 8px 7px 12px;
  border-radius: 10px;
  background: rgba(126, 231, 255, .1);
  border: 1px solid rgba(126, 231, 255, .28);
  font-size: 12.5px; font-weight: 560;
  animation: chip-in .24s var(--spring) both;
}
@keyframes chip-in { from { opacity: 0; transform: scale(.7); } }
.seq-item button {
  border: 0; background: none; padding: 0; margin: 0;
  width: 18px; height: 18px; border-radius: 50%;
  color: var(--text-3); cursor: pointer; font-size: 15px; line-height: 1;
  display: grid; place-items: center;
}
.seq-item button:hover { color: var(--danger); }
.seq-arrow { color: var(--text-3); font-size: 12px; }

/* ── power ─────────────────────────────────────────────────────────── */
.power-row { display: flex; gap: 12px; align-items: center; }
.power-row .btn { flex: 1; }

.hold-btn {
  position: relative;
  width: 104px; height: 104px; flex: none;
  border-radius: 50%;
  border: 1px solid rgba(255, 95, 109, .35);
  background: radial-gradient(100% 100% at 50% 0%, rgba(255, 95, 109, .2), rgba(255, 95, 109, .06));
  color: #ffb3b9;
  cursor: pointer;
  display: grid; place-items: center;
  touch-action: none;
  -webkit-user-select: none; user-select: none;
  transition: transform var(--t-fast) var(--ease), box-shadow var(--t) var(--ease);
}
.hold-btn:active { transform: scale(.96); }
.hold-btn.arming { box-shadow: 0 0 0 1px rgba(255, 95, 109, .5), 0 0 34px -6px rgba(255, 95, 109, .6); }
.hold-btn:disabled { opacity: .45; cursor: not-allowed; }

.hold-ring { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.hold-track, .hold-progress { fill: none; stroke-width: 5; }
.hold-track { stroke: rgba(255, 255, 255, .07); }
.hold-progress {
  stroke: var(--danger);
  stroke-linecap: round;
  stroke-dasharray: 283;          /* 2πr, r = 45 */
  stroke-dashoffset: 283;
  filter: drop-shadow(0 0 6px rgba(255, 95, 109, .7));
}
.hold-face { display: grid; justify-items: center; gap: 1px; }
.hold-title { font-size: 14px; font-weight: 650; letter-spacing: -.01em; }
.hold-sub { font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; color: rgba(255, 179, 185, .7); }

/* ── forms ─────────────────────────────────────────────────────────── */
.field { display: block; margin: 14px 0; }
.field-label {
  display: block; margin-bottom: 7px;
  font-size: 11.5px; font-weight: 600; letter-spacing: .07em; text-transform: uppercase;
  color: var(--text-3);
}

.input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: var(--r-btn);
  border: 1px solid var(--hairline-2);
  background: rgba(0, 0, 0, .28);
  color: var(--text);
  font: inherit; font-size: 16px; /* ≥16px stops iOS zoom-on-focus */
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}
.input::placeholder { color: var(--text-3); }
.input:focus {
  outline: none;
  border-color: rgba(126, 231, 255, .55);
  box-shadow: 0 0 0 3px rgba(126, 231, 255, .14);
}
.textarea { min-height: 108px; resize: vertical; line-height: 1.45; font-size: 13px; }

.select {
  appearance: none; -webkit-appearance: none;
  padding: 6px 30px 6px 11px;
  border-radius: 10px;
  border: 1px solid var(--hairline-2);
  background: rgba(0, 0, 0, .3)
    /* caret, inline so the shell stays self-contained */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M2.5 4.5 6 8l3.5-3.5' fill='none' stroke='%237ee7ff' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E")
    no-repeat right 9px center / 12px;
  color: var(--text);
  font: inherit; font-size: 13.5px; font-weight: 550;
  cursor: pointer;
}
.select:focus { outline: none; border-color: rgba(126, 231, 255, .55); box-shadow: 0 0 0 3px rgba(126, 231, 255, .14); }
.select:disabled { opacity: .45; cursor: not-allowed; }
.select option { background: var(--ink-2); color: var(--text); }

.row-toggle {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid var(--hairline);
  cursor: pointer;
}
.row-toggle:last-of-type { border-bottom: 0; }
.row-toggle.compact { padding: 9px 0; }
.row-text { display: grid; gap: 3px; min-width: 0; }
.row-title { font-size: 15px; font-weight: 540; }
.row-sub { font-size: 12.5px; color: var(--text-3); line-height: 1.4; }

.switch {
  appearance: none; -webkit-appearance: none;
  position: relative; flex: none;
  width: 50px; height: 30px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, .12);
  border: 1px solid var(--hairline);
  cursor: pointer;
  transition: background var(--t) var(--ease);
}
.switch::after {
  content: "";
  position: absolute; top: 2px; left: 2px;
  width: 24px; height: 24px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, .4);
  transition: transform var(--t) var(--spring);
}
.switch:checked { background: linear-gradient(135deg, var(--indigo), var(--cyan-dim)); border-color: transparent; }
.switch:checked::after { transform: translateX(20px); }
.switch:disabled { opacity: .4; cursor: not-allowed; }

/* ── warnings, errors ──────────────────────────────────────────────── */
.warn {
  display: flex; gap: 11px;
  padding: 13px;
  border-radius: var(--r-btn);
  background: rgba(255, 195, 107, .09);
  border: 1px solid rgba(255, 195, 107, .28);
  color: #ffd9a1;
  font-size: 12.5px; line-height: 1.5;
  margin-bottom: 4px;
}
.warn b { color: var(--amber); }
.warn code { font-size: 11.5px; background: rgba(0, 0, 0, .3); padding: 1px 5px; border-radius: 5px; }
.warn-ico { width: 19px; height: 19px; flex: none; fill: none; stroke: var(--amber); stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }

.inline-error {
  margin: 10px 0 0; font-size: 13px; color: #ff9aa3;
  animation: chip-in .2s var(--ease) both;
}

/* ── key export ────────────────────────────────────────────────────── */
.key-export {
  display: flex; align-items: center; gap: 10px;
  padding: 12px;
  border-radius: var(--r-btn);
  background: rgba(0, 0, 0, .3);
  border: 1px solid var(--hairline);
  margin-top: 10px;
}
.key-value {
  flex: 1; min-width: 0;
  font-size: 11.5px; line-height: 1.45;
  color: var(--cyan);
  word-break: break-all;
}
.key-actions { display: flex; gap: 6px; flex: none; }

.qr-holder {
  margin-top: 12px;
  display: grid; justify-items: center; gap: 8px;
  animation: chip-in .3s var(--spring) both;
}
.qr-holder svg { width: min(210px, 62vw); height: auto; border-radius: 10px; }

/* ── steps / hero ──────────────────────────────────────────────────── */
.hero { text-align: center; padding: 12px 0 6px; display: grid; justify-items: center; gap: 10px; }
.hero-mark {
  width: 64px; height: 64px; border-radius: 20px;
  background: conic-gradient(from 210deg, var(--indigo), var(--cyan), var(--violet), var(--indigo));
  box-shadow: 0 18px 40px -18px var(--indigo), inset 0 1px 0 rgba(255, 255, 255, .3);
  position: relative;
}
.hero-mark::after {
  content: "";
  position: absolute; inset: 16px;
  border-radius: 50%;
  border: 3px solid rgba(5, 6, 13, .92);
  border-top-color: transparent;
}
.hero-title { margin: 4px 0 0; font-size: 26px; font-weight: 680; letter-spacing: -.032em; }
.hero-sub { margin: 0; color: var(--text-2); font-size: 14px; max-width: 34ch; line-height: 1.5; }

.steps { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: var(--gap); counter-reset: s; }
.step {
  display: flex; gap: 14px;
  padding: var(--pad);
  border-radius: var(--r-card);
  background: var(--glass);
  border: 1px solid var(--hairline);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
}
.step-n {
  flex: none;
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 13px; font-weight: 680;
  background: linear-gradient(140deg, var(--indigo), var(--cyan-dim));
  color: #fff;
}
.step-body { min-width: 0; flex: 1; }
.step-body h3 { margin: 3px 0 6px; font-size: 16px; font-weight: 620; letter-spacing: -.02em; }
.step-body p { margin: 0; font-size: 13.5px; color: var(--text-2); line-height: 1.5; }
.step-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px; background: rgba(0, 0, 0, .35); padding: 2px 6px; border-radius: 6px;
  color: var(--cyan); word-break: break-all;
}

/* ── settings bits ─────────────────────────────────────────────────── */
.kv { margin: 0; display: grid; gap: 10px; }
.kv > div { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; }
.kv dt { font-size: 13px; color: var(--text-3); }
.kv dd { margin: 0; font-size: 13.5px; font-weight: 550; text-align: right; word-break: break-all; }

.device-list { display: grid; gap: 8px; margin-bottom: 12px; }
.device-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 13px;
  border-radius: var(--r-btn);
  background: rgba(0, 0, 0, .25);
  border: 1px solid var(--hairline);
  cursor: pointer;
  transition: border-color var(--t-fast) var(--ease);
}
.device-row[data-active="true"] { border-color: rgba(126, 231, 255, .45); background: rgba(126, 231, 255, .07); }
.device-row-body { flex: 1; min-width: 0; display: grid; gap: 2px; }
.device-row-name { font-size: 14.5px; font-weight: 570; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.device-row-id { font-size: 11.5px; color: var(--text-3); }
.device-row .icon-btn { width: 32px; height: 32px; }

.footer-note {
  margin: 6px 0 0; text-align: center;
  font-size: 11.5px; color: var(--text-3); line-height: 1.5;
}

/* ── toasts ────────────────────────────────────────────────────────── */
.toasts {
  position: fixed;
  left: 50%; bottom: calc(18px + var(--safe-b));
  transform: translateX(-50%);
  z-index: 80;
  width: min(var(--maxw), calc(100vw - 24px));
  display: grid; gap: 8px;
  pointer-events: none;
}
.toast {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 13px 15px;
  border-radius: 16px;
  background: rgba(18, 22, 42, .92);
  border: 1px solid var(--hairline-2);
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: 0 20px 44px -20px rgba(0, 0, 0, .95);
  font-size: 13.5px; line-height: 1.45;
  pointer-events: auto;
  animation: toast-in .38s var(--spring) both;
}
.toast.leaving { animation: toast-out .22s var(--ease) both; }
@keyframes toast-in  { from { opacity: 0; transform: translateY(22px) scale(.95); } }
@keyframes toast-out { to   { opacity: 0; transform: translateY(10px) scale(.97); } }

.toast-ico { width: 18px; height: 18px; flex: none; margin-top: 1px; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.toast-ok    { border-color: rgba(74, 222, 128, .35); }
.toast-ok .toast-ico { stroke: var(--green); }
.toast-err   { border-color: rgba(255, 95, 109, .4); }
.toast-err .toast-ico { stroke: var(--danger); }
.toast-info .toast-ico { stroke: var(--cyan); }
.toast-body { flex: 1; min-width: 0; }
.toast-title { font-weight: 620; }
.toast-detail { color: var(--text-2); font-size: 12.5px; margin-top: 2px; }

/* ── bottom sheet ──────────────────────────────────────────────────── */
.sheet-scrim {
  position: fixed; inset: 0; z-index: 90;
  background: rgba(3, 4, 9, .68);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: fade-in .24s var(--ease) both;
}
.sheet-scrim[hidden], .sheet[hidden] { display: none; }
@keyframes fade-in { from { opacity: 0; } }

.sheet {
  position: fixed; z-index: 91;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: min(var(--maxw), 100vw);
  padding: 10px var(--pad) calc(var(--pad) + var(--safe-b));
  border-radius: 26px 26px 0 0;
  background: rgba(15, 18, 34, .97);
  border: 1px solid var(--hairline-2);
  border-bottom: 0;
  backdrop-filter: var(--blur);
  -webkit-backdrop-filter: var(--blur);
  box-shadow: 0 -24px 60px -24px rgba(0, 0, 0, .95);
  animation: sheet-in .4s var(--spring) both;
  max-height: 86dvh; overflow-y: auto;
}
@keyframes sheet-in { from { transform: translate(-50%, 100%); } }

.sheet-grab {
  width: 40px; height: 4px; border-radius: 2px;
  background: var(--hairline-2);
  margin: 0 auto 16px;
}
.sheet-title { margin: 0 0 8px; font-size: 20px; font-weight: 660; letter-spacing: -.025em; }
.sheet-body { margin: 0; color: var(--text-2); font-size: 14px; line-height: 1.55; }
.sheet-body:empty { display: none; }
.sheet-extra:empty { display: none; }
.sheet-extra { margin-top: 14px; }
.sheet-actions { display: grid; gap: 10px; margin-top: 20px; }

/* ── focus ─────────────────────────────────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ── wider screens ─────────────────────────────────────────────────── */
@media (min-width: 720px) {
  :root { --maxw: 520px; }
  .wake { --size: 232px; }
}

/* ── reduced motion: keep meaning, drop movement ───────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  /* the hold progress ring is information, not decoration — keep it,
     driven by JS-set stroke-dashoffset with no transition */
  .dot[data-state="online"]::after { display: none; }
  .boot-mark { border-top-color: var(--cyan); }
}