:root {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;

  color: #172033;
  background: #eef3f8;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;

  background:
    radial-gradient(
      circle at top right,
      rgba(246, 184, 61, 0.20),
      transparent 30rem
    ),
    linear-gradient(180deg, #f5f8fc, #e8eef5);
}

button,
select {
  font: inherit;
}

.app-shell {
  width: min(760px, 100%);
  margin: 0 auto;

  padding:
    max(18px, env(safe-area-inset-top))
    18px
    max(28px, env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  color: #86610c;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1 {
  margin: 0;
  font-size: clamp(1.55rem, 4vw, 2.3rem);
  line-height: 1.1;
}

h2 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.language-control {
  display: grid;
  gap: 5px;
  min-width: 120px;
  font-size: 0.8rem;
  font-weight: 700;
}

select {
  border: 1px solid #c6d0dc;
  border-radius: 12px;
  background: white;
  padding: 10px;
}

.card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(137, 153, 173, 0.28);
  border-radius: 22px;
  box-shadow: 0 12px 32px rgba(38, 55, 78, 0.08);
  padding: 20px;
  margin-bottom: 16px;
}

.status-card {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-icon {
  width: 66px;
  height: 66px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #e9eef5;
  font-size: 2rem;
}

.status-card.connected .status-icon {
  background: #dff5e6;
}

.status-card.error .status-icon {
  background: #fee4e2;
}

.status-card p,
footer p {
  margin: 0;
  line-height: 1.45;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}

button {
  min-height: 58px;
  border: 0;
  border-radius: 18px;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 800;
}

button:focus-visible,
select:focus-visible {
  outline: 4px solid rgba(35, 115, 225, 0.28);
  outline-offset: 2px;
}

.primary-button {
  background: #14213d;
  color: white;
}

.secondary-button {
  background: #f4c24f;
  color: #2b230d;
}

.text-button {
  min-height: auto;
  padding: 8px 12px;
  background: #edf2f7;
  color: #314057;
}

.note-card {
  text-align: center;
}

.label {
  margin: 0;
  color: #637083;
  font-weight: 700;
}

.note-name {
  font-size: clamp(4rem, 18vw, 8rem);
  font-weight: 900;
  line-height: 1;
  margin: 10px 0;
  color: #14213d;
}

.note-details {
  font-variant-numeric: tabular-nums;
  color: #637083;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.capability {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-radius: 14px;
  padding: 12px;
  background: #f3f6fa;
}

.capability strong {
  font-size: 0.92rem;
}

.yes {
  color: #10733a;
}

.no {
  color: #ad2c2c;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.event-log {
  margin: 10px 0 0;
  padding-left: 24px;
  max-height: 230px;
  overflow: auto;
}

.event-log li {
  padding: 5px 0;
  line-height: 1.35;
}

footer {
  color: #5b6879;
  font-size: 0.85rem;
  padding: 4px 8px;
}

@media (max-width: 560px) {
  .topbar {
    display: grid;
  }

  .language-control {
    width: 100%;
  }

  .actions {
    grid-template-columns: 1fr;
  }
}