:root {
  color-scheme: dark;
  --bg: #09090b;
  --elevated: #111114;
  --panel: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.1);
  --text: rgba(255, 255, 255, 0.94);
  --muted: rgba(255, 255, 255, 0.58);
  --faint: rgba(255, 255, 255, 0.38);
  --purple: #8b5cf6;
  --purple-deep: #6d28d9;
  --cyan: #06b6d4;
  --green: #10b981;
  --red: #ef4444;
  --yellow: #eab308;
  --sans: Inter, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --radius: 18px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(circle at 12% -8%, rgba(139, 92, 246, 0.22), transparent 42%),
    radial-gradient(circle at 88% 0%, rgba(6, 182, 212, 0.1), transparent 38%),
    var(--bg);
  line-height: 1.5;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  background: var(--purple);
  color: #fff;
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
}
.skip:focus { top: 0.75rem; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.hidden { display: none !important; }

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.4rem 0 0.4rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand__mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 10px;
  background: rgba(139, 92, 246, 0.18);
  border: 1px solid rgba(139, 92, 246, 0.45);
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.25);
  position: relative;
}
.brand__mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1.5px solid var(--purple);
  border-radius: 4px;
}

.brand__name {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.03em;
  font-size: 1.05rem;
}
.brand__tag {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.top__actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

body[data-signed-in="false"] #logoutButton { display: none; }

.screen {
  width: min(720px, calc(100% - 2rem));
  margin: 0 auto 3.5rem;
}

.hero {
  margin: 1.6rem 0 1.25rem;
}
.hero h1 {
  margin: 0 0 0.4rem;
  font-size: clamp(2rem, 6vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1.05;
}
.lede {
  margin: 0;
  color: var(--muted);
  font-size: 1.1rem;
  max-width: 28rem;
}
.kicker {
  margin: 0 0 0.45rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--purple);
}

.card,
.panel,
.idchip {
  position: relative;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.card--focus::before,
.card--focus::after,
.idchip::before,
.idchip::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid var(--purple);
  pointer-events: none;
}
.card--focus::before,
.idchip::before { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.card--focus::after,
.idchip::after { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }

.card {
  padding: 1.35rem 1.35rem 1.45rem;
  display: grid;
  gap: 1rem;
}
.card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.card h2, .card h3, .panel h2, .panel h3 {
  margin: 0;
  letter-spacing: -0.03em;
}
.card h2 { font-size: 1.25rem; }
.card h3, .panel h3 { font-size: 1.05rem; }
.card p, .panel p { margin: 0.25rem 0 0; color: var(--muted); }

.status {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.tab {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.55rem 0.95rem;
  font: 600 0.92rem var(--sans);
  cursor: pointer;
}
.tab.active {
  color: #fff;
  border-color: rgba(139, 92, 246, 0.55);
  background: rgba(139, 92, 246, 0.2);
}

.stack { display: grid; gap: 0.85rem; }

.field {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}
.field span { color: var(--muted); font-weight: 500; }
.field small, small { color: var(--faint); }

input {
  width: 100%;
  min-height: 3rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--elevated);
  color: var(--text);
  font: 1rem var(--sans);
}
input:focus {
  outline: none;
  border-color: var(--purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.22);
}

.btn {
  border: 0;
  border-radius: 12px;
  min-height: 2.85rem;
  padding: 0.7rem 1.1rem;
  font: 650 0.98rem var(--sans);
  cursor: pointer;
  color: var(--text);
  background: transparent;
}
.btn--primary {
  background: var(--purple);
  color: #fff;
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.28);
}
.btn--primary:hover { background: var(--purple-deep); }
.btn--soft {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--line);
}
.btn--ghost { color: var(--muted); }
.btn--xl {
  min-height: 3.35rem;
  font-size: 1.05rem;
  width: 100%;
}

.inline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.inline input { flex: 1 1 12rem; }

.note {
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.28);
  border-radius: 14px;
  padding: 1rem;
}
.note h3 { margin: 0 0 0.35rem; }

.more {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}
.more summary {
  cursor: pointer;
  color: var(--muted);
  font-weight: 600;
}
.more[open] summary { margin-bottom: 0.75rem; }

.idchip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.idchip__dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.6);
}
.idchip__label {
  margin: 0;
  font-size: 0.75rem;
  color: var(--muted);
}
.idchip__did {
  margin: 0.1rem 0 0;
  font-family: var(--mono);
  font-size: 0.92rem;
  word-break: break-all;
}
.meta { margin: 0.1rem 0 0; font-size: 0.8rem; color: var(--faint); }

.checks {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.checks li {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.8rem;
}
.bed {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: var(--faint);
}
.bed[data-state="closed"] { background: var(--green); }
.bed[data-state="partial"] { background: var(--yellow); }
.bed[data-state="open"] { background: var(--faint); }

.workspace { display: grid; gap: 1rem; }

.rail {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.rail__item {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font: 650 0.92rem var(--sans);
  cursor: pointer;
}
.rail__item.is-active {
  color: #fff;
  border-color: rgba(6, 182, 212, 0.45);
  background: rgba(6, 182, 212, 0.12);
}

.panel { padding: 1.25rem; display: grid; gap: 1rem; }
.panel__head p { max-width: 36rem; }

.qr {
  width: min(220px, 100%);
  border-radius: 12px;
  background: #fff;
  padding: 0.5rem;
}

.passkey-grid,
.session-list {
  display: grid;
  gap: 0.6rem;
}
.session-item,
.passkey-grid > * {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem 0.95rem;
  background: rgba(0, 0, 0, 0.22);
}

.next-banner {
  margin: 0;
  color: var(--cyan);
  font-size: 0.85rem;
}

@media (max-width: 640px) {
  .hero h1 { font-size: 1.85rem; }
  .btn--xl { min-height: 3.5rem; }
}

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