:root {
  --bg: #0b1020;
  --bg-elev: #141b30;
  --bg-elev-2: #1c2540;
  --text: #eef2ff;
  --text-dim: #a7b0cc;
  --accent: #4f7cff;
  --accent-hot: #ff5a5f;
  --accent-warm: #ffb020;
  --accent-cold: #3ba7ff;
  --ok: #2fd190;
  --ring: #2a3557;
  --radius: 16px;
  --tap: 44px;
  --focus: #9ec1ff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding-bottom: env(safe-area-inset-bottom);
}

.hidden { display: none !important; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: #fff;
  padding: 12px 16px;
  border-radius: 0 0 var(--radius) 0;
  z-index: 100;
}
.skip-link:focus { left: 0; }

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

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(16px, 5vw, 32px);
  border-bottom: 1px solid var(--ring);
  position: sticky;
  top: 0;
  background: rgba(11, 16, 32, 0.9);
  backdrop-filter: blur(8px);
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { color: var(--accent); display: inline-flex; }
.brand-name { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }

.pro-badge {
  min-height: var(--tap);
  padding: 0 16px;
  border: 1px solid var(--accent);
  background: transparent;
  color: var(--text);
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
}
.pro-badge:hover { background: var(--bg-elev-2); }

/* Main */
main {
  flex: 1;
  width: 100%;
  max-width: 640px;
  margin: 0 auto;
  padding: clamp(20px, 6vw, 40px) clamp(16px, 5vw, 32px);
}

h1 { font-size: clamp(1.6rem, 6vw, 2.3rem); line-height: 1.15; margin: 0 0 12px; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.2rem, 4vw, 1.5rem); margin: 0; }
.lede { color: var(--text-dim); font-size: 1.05rem; margin: 0 0 28px; }
.hint { color: var(--text-dim); font-size: 0.95rem; margin: 4px 0 16px; }
.note { color: var(--text-dim); font-size: 0.9rem; }
.note.tiny { font-size: 0.8rem; opacity: 0.75; }

/* "I'm looking for…" picker */
.looking-for { margin: 8px 0 20px; }
.lf-title { font-size: 1.1rem; margin: 0 0 12px; }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.cat {
  min-height: var(--tap);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 8px;
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: 12px;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
}
.cat:hover { border-color: var(--accent); background: var(--bg-elev-2); }
.cat span { font-size: 1.15rem; }
.or-line {
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin: 4px 0;
}
#startBtn { margin: 0 auto; display: flex; }

.filter-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  margin: 4px 0 8px;
  background: var(--bg-elev-2);
  border: 1px solid var(--accent);
  border-radius: 12px;
  font-weight: 600;
}
.btn-sm { min-height: 36px; padding: 0 14px; font-size: 0.85rem; }
@media (min-width: 520px) {
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Pillars */
.pillars {
  list-style: none;
  padding: 0;
  margin: 32px 0 8px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
.pillars li {
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: var(--radius);
  padding: 16px;
}
.pillars .pillar-ico { font-size: 1.5rem; display: block; margin-bottom: 6px; }
.pillars h2 { font-size: 1.05rem; margin: 0 0 4px; }
.pillars p { color: var(--text-dim); font-size: 0.9rem; margin: 0; }
@media (min-width: 720px) {
  .pillars { grid-template-columns: repeat(4, 1fr); }
}

/* Consent row */
.consent-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 22px;
  padding: 14px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: var(--radius);
}
.consent-row input[type="checkbox"] {
  width: 22px;
  height: 22px;
  min-width: 22px;
  margin-top: 1px;
  accent-color: var(--accent);
  cursor: pointer;
}
.consent-row label { color: var(--text-dim); font-size: 0.9rem; cursor: pointer; }

.pillars .opt { font-weight: 400; font-size: 0.8rem; color: var(--text-dim); }

/* Info blocks (privacy / install) */
.info-block { margin-top: 32px; }
.info-block h2 { margin-bottom: 8px; }
.info-block p { color: var(--text-dim); margin: 0 0 10px; }
.support-list { list-style: none; padding: 0; margin: 12px 0 0; }
.support-list li { padding: 6px 0; color: var(--text-dim); font-size: 0.92rem; }
.support-list .ok { color: var(--ok); }
.support-list .warn { color: var(--accent-warm); }
.support-list .no { color: var(--accent-hot); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap);
  padding: 0 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s ease;
  color: var(--text);
  background: var(--bg-elev-2);
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #3f6cf0; }
.btn-ghost { background: transparent; border-color: var(--ring); }
.btn-ghost:hover { background: var(--bg-elev); }
.btn-lg { min-height: 54px; font-size: 1.1rem; padding: 0 30px; width: 100%; max-width: 360px; }
.back { padding-left: 8px; }
.radar-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; flex-wrap: wrap; }
.radar-toggles { display: flex; gap: 8px; flex-wrap: wrap; }
.radar-toggles .btn { min-height: 40px; padding: 0 12px; font-size: 0.9rem; }
.btn[aria-pressed="false"] { opacity: 0.62; }
.sep-banner {
  padding: 12px 16px;
  margin: 4px 0 10px;
  background: rgba(255, 90, 95, 0.15);
  border: 1px solid var(--accent-hot);
  border-radius: 12px;
  color: var(--text);
  font-weight: 600;
  text-align: center;
}
#findNearestBtn { margin: 0 auto 10px; display: flex; }

/* Name device dialog */
.name-input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  margin-bottom: 16px;
  border-radius: 10px;
  border: 1px solid var(--ring);
  background: var(--bg-elev-2);
  color: var(--text);
  font-size: 1rem;
}
.name-actions { display: flex; gap: 10px; }
.name-actions .btn { flex: 1; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }

/* Device list */
.list-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.device-list { list-style: none; margin: 8px 0 0; padding: 0; }
.device-item {
  width: 100%;
  text-align: left;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px 14px;
  min-height: 64px;
  padding: 14px 16px;
  margin-bottom: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
}
.device-item:hover { border-color: var(--accent); background: var(--bg-elev-2); }
.device-name { font-weight: 600; font-size: 1.02rem; }
.short-id { font-weight: 400; font-size: 0.78rem; color: var(--text-dim); font-family: ui-monospace, monospace; }

/* Device row = tappable device + name (✎) button */
.device-row { display: flex; align-items: stretch; gap: 8px; margin-bottom: 10px; }
.device-row .device-item { flex: 1; margin-bottom: 0; }
.rename-btn {
  flex: 0 0 auto;
  width: 52px;
  min-height: 44px;
  border: 1px solid var(--ring);
  background: var(--bg-elev);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: 1.15rem;
  cursor: pointer;
}
.rename-btn:hover { border-color: var(--accent); color: var(--text); }

/* Visual pulse flash on the radar core */
.radar-core.pulse { transform: scale(1.09); filter: brightness(1.6); }
.tip { background: var(--bg-elev); border: 1px solid var(--ring); border-radius: 12px; padding: 10px 14px; }
.device-sub { grid-column: 1; color: var(--text-dim); font-size: 0.82rem; }
.device-bars {
  grid-column: 2;
  grid-row: 1 / span 2;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 26px;
}
.device-bars span {
  width: 5px;
  background: var(--ring);
  border-radius: 2px;
}
.device-bars span.on { background: var(--ok); }
.bar1 { height: 30%; } .bar2 { height: 50%; } .bar3 { height: 70%; } .bar4 { height: 100%; }
.tag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 8px;
  font-size: 0.72rem;
  border-radius: 999px;
  background: rgba(255, 176, 32, 0.18);
  color: var(--accent-warm);
  vertical-align: middle;
}

/* Radar */
.radar-name { margin-bottom: 20px; word-break: break-word; }
.radar {
  position: relative;
  width: min(78vw, 320px);
  aspect-ratio: 1;
  margin: 8px auto 20px;
  display: grid;
  place-items: center;
}
.radar-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid var(--ring);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}
.r2 { inset: 16%; }
.r3 { inset: 32%; }
.radar-core {
  position: relative;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 40%, var(--bg-elev-2), var(--bg-elev));
  border: 2px solid var(--accent-cold);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: border-color 0.4s ease, box-shadow 0.4s ease, background 0.4s ease;
}
.radar-dist { font-size: clamp(1.6rem, 8vw, 2.4rem); font-weight: 800; line-height: 1; }
.radar-unit { font-size: 0.75rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em; }

/* proximity heat states applied via JS */
.heat-cold .radar-core { border-color: var(--accent-cold); box-shadow: 0 0 30px rgba(59,167,255,0.4); }
.heat-cold .radar-ring { border-color: rgba(59,167,255,0.25); }
.heat-warm .radar-core { border-color: var(--accent-warm); box-shadow: 0 0 40px rgba(255,176,32,0.5); }
.heat-warm .radar-ring { border-color: rgba(255,176,32,0.3); }
.heat-hot .radar-core { border-color: var(--accent-hot); box-shadow: 0 0 60px rgba(255,90,95,0.65); background: radial-gradient(circle at 50% 40%, #3a1520, var(--bg-elev)); }
.heat-hot .radar-ring { border-color: rgba(255,90,95,0.4); }

.proximity-label { text-align: center; font-size: 1.25rem; font-weight: 700; margin: 4px 0 22px; min-height: 1.5em; }

.signal-meter {
  width: 100%;
  max-width: 360px;
  height: 12px;
  margin: 0 auto 8px;
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: 999px;
  overflow: hidden;
}
.signal-fill {
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-cold), var(--accent-warm), var(--accent-hot));
  transition: width 0.3s ease;
}
.rssi-readout { text-align: center; color: var(--text-dim); font-size: 0.85rem; }

/* Pro gate + modal */
.pro-gate {
  position: fixed;
  inset: 0;
  background: rgba(6, 9, 20, 0.82);
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 40;
}
.pro-gate-card, .modal-card {
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: 20px;
  padding: 28px;
  max-width: 400px;
  width: 100%;
  text-align: center;
}
.pro-gate-card h3 { margin: 0 0 10px; font-size: 1.3rem; }
.pro-gate-card p { color: var(--text-dim); margin: 0 0 20px; }
.pro-gate-card .btn { width: 100%; margin-bottom: 10px; }

.modal { position: fixed; inset: 0; background: rgba(6,9,20,0.82); display: grid; place-items: center; padding: 20px; z-index: 50; }
.modal-card { position: relative; text-align: left; }
.modal-card h2 { text-align: center; margin-bottom: 18px; }
.modal-close {
  position: absolute; top: 10px; right: 12px;
  width: var(--tap); height: var(--tap);
  background: transparent; border: none; color: var(--text-dim);
  font-size: 1.8rem; cursor: pointer; line-height: 1;
}
.feature-list { list-style: none; padding: 0; margin: 0 0 22px; }
.feature-list li { padding: 10px 0 10px 30px; position: relative; border-bottom: 1px solid var(--ring); }
.feature-list li::before { content: "✓"; position: absolute; left: 4px; color: var(--ok); font-weight: 800; }
.modal-card .btn-lg { margin: 0 auto 10px; display: flex; }
.modal-card .note { text-align: center; }

.app-footer {
  padding: 18px clamp(16px, 5vw, 32px) calc(18px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--ring);
  text-align: center;
}
.app-footer p { color: var(--text-dim); font-size: 0.82rem; margin: 0; }
.app-footer .tagline {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 6px;
  background: linear-gradient(90deg, #3ba7ff, #7a3cff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* ---------- First-run onboarding + blocking states ---------- */
.onboard, .blocker {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(6, 10, 22, 0.94);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  overflow-y: auto;
}
.onboard.hidden, .blocker.hidden { display: none; }
.onboard-card, .blocker-card {
  background: var(--bg-elev);
  border: 1px solid var(--ring);
  border-radius: var(--radius);
  padding: 28px 22px;
  max-width: 380px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.55);
}
.onboard-ico, .blocker-ico { font-size: 46px; line-height: 1; margin-bottom: 12px; }
.onboard-card h2, .blocker-card h2 {
  font-size: 1.35rem;
  margin: 0 0 12px;
  color: var(--text);
}
.onboard-card p, .blocker-card p {
  color: var(--text-dim);
  line-height: 1.55;
  margin: 0 0 18px;
}
.onboard-card strong { color: var(--text); }
.onboard-step .btn, .blocker-card .btn { width: 100%; margin-top: 8px; }
.onboard-step.hidden { display: none; }
.onboard-dots { display: flex; gap: 8px; justify-content: center; margin-top: 20px; }
.onboard-dots .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--ring);
}
.onboard-dots .dot.on { background: var(--accent); }

/* ---------- Device management: sort/power controls, favorites, away, forget ---------- */
.list-controls {
  display: flex;
  gap: 10px;
  margin: 4px 0 12px;
  flex-wrap: wrap;
}
.list-controls .ctl {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1 1 140px;
  font-size: 0.72rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.list-controls select {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--ring);
  border-radius: 10px;
  padding: 10px;
  font: inherit;
  font-size: 0.9rem;
  min-height: var(--tap);
  text-transform: none;
  letter-spacing: normal;
}
.fav-btn {
  background: none;
  border: none;
  color: var(--accent-warm);
  font-size: 1.35rem;
  line-height: 1;
  min-width: var(--tap);
  min-height: var(--tap);
  padding: 0;
  cursor: pointer;
  align-self: center;
}
.fav-btn[aria-pressed="false"] { color: var(--text-dim); }
.fav-btn:hover { color: var(--accent-warm); }
.device-row.away { opacity: 0.62; }
.device-row.away .device-sub { font-style: italic; }
.btn.danger { color: var(--accent-hot); }
.forget-btn { width: 100%; margin-top: 12px; }

/* ---------- Find My Device hero + collapsible specifics ---------- */
.hero-btn {
  width: 100%;
  font-size: 1.15rem;
  padding: 18px 20px;
  margin-top: 4px;
  box-shadow: 0 8px 28px rgba(79, 124, 255, 0.35);
}
details.looking-for {
  margin-top: 18px;
  border-top: 1px solid var(--ring);
  padding-top: 14px;
}
details.looking-for > summary {
  cursor: pointer;
  list-style: none;
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 6px 0;
  min-height: var(--tap);
  display: flex;
  align-items: center;
  gap: 8px;
}
details.looking-for > summary::-webkit-details-marker { display: none; }
details.looking-for > summary::before { content: "▸"; color: var(--accent); }
details.looking-for[open] > summary::before { content: "▾"; }
details.looking-for #startBtn { width: 100%; margin-top: 10px; }

/* ---------- Header actions + Settings ---------- */
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  background: none;
  border: 1px solid var(--ring);
  border-radius: 10px;
  min-width: var(--tap);
  min-height: var(--tap);
  font-size: 1.2rem;
  color: var(--text);
  cursor: pointer;
}
.icon-btn:hover { border-color: var(--accent); }
.settings-group {
  padding: 14px 0;
  border-top: 1px solid var(--ring);
  text-align: left;
}
.settings-group:first-of-type { border-top: none; }
.settings-label {
  display: block;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.settings-group select {
  width: 100%;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--ring);
  border-radius: 10px;
  padding: 12px;
  font: inherit;
  min-height: var(--tap);
}
.settings-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  min-height: var(--tap);
  cursor: pointer;
}
.settings-switch input { width: 20px; height: 20px; }
.settings-hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  line-height: 1.5;
  margin: 8px 0 0;
}

/* ---------- Locatium Care ---------- */
textarea.name-input { padding: 12px 14px; resize: vertical; }

.care-reminder {
  flex-direction: column;
  align-items: stretch;
}
.care-reminder-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  cursor: default;
  min-height: 0;
}
/* .device-item's :hover (border/background) is meant for the clickable device-list buttons —
   these are static info blocks, not buttons, so don't imply they're tappable. */
.care-reminder-item:hover, .pp-card-item:hover { border-color: var(--ring); background: var(--bg-elev); }
.care-affiliate-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}
.care-link { min-height: 40px; }
.care-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--bg-elev-2);
  border: 1px solid var(--ok);
  color: var(--ok);
  font-size: 0.75rem;
  font-weight: 600;
}
.care-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
}
.care-actions .btn-sm { min-height: var(--tap); }
.care-snooze-select {
  min-height: var(--tap);
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--ring);
  border-radius: 10px;
  padding: 0 10px;
  font: inherit;
}
#careDeviceDetail { margin-top: 8px; }
#careDeviceDetail .list-head { margin-bottom: 12px; }
.care-email-status { margin: 6px 0 0; }

/* ---------- Locatium Person/Pet ---------- */
.pp-card { flex-direction: column; align-items: stretch; }
.pp-card-item { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; cursor: default; min-height: 0; }
.pp-checkin { font-style: italic; }
.pp-missing { border: 1px solid var(--accent-hot); border-radius: var(--radius); padding: 2px; }
.pp-missing-badge {
  border-color: var(--accent-hot);
  color: var(--accent-hot);
  margin-left: 6px;
}
.btn.danger.btn-sm { border-color: var(--accent-hot); }