:root {
  color-scheme: light dark;
  --bg: #0a0a0a;
  --fg: #f0f0f0;
  --fg-muted: #888;
  --accent: #4a9eff;
  --border: #222;
  --field-bg: #111;
  --danger: #d33;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #fafafa;
    --fg: #111;
    --fg-muted: #666;
    --accent: #0066cc;
    --border: #ddd;
    --field-bg: #fff;
    --danger: #c00;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}
main {
  max-width: 600px;
  margin: 0 auto;
  padding: 1rem;
  padding-top: max(env(safe-area-inset-top), 1rem);
  padding-bottom: max(env(safe-area-inset-bottom), 1rem);
}
h1, h2 { margin: 0 0 1rem; }
button {
  background: var(--accent);
  color: white;
  border: 0;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  min-height: 44px;
  font-family: inherit;
}
button.secondary { background: transparent; color: var(--fg); border: 1px solid var(--border); }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
input, select, textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  background: var(--field-bg);
  color: var(--fg);
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  min-height: 44px;
}
textarea { min-height: 80px; resize: vertical; }
label { display: block; margin: 1rem 0 0.25rem; font-size: 0.85rem; color: var(--fg-muted); }
.row { display: flex; gap: 0.5rem; align-items: center; }
.row > * { flex: 1; }
.list-item { padding: 1rem; border-bottom: 1px solid var(--border); cursor: pointer; }
.list-item:hover { background: rgba(127,127,127,0.05); }
.muted { color: var(--fg-muted); font-size: 0.9rem; }
.recovery-key {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  padding: 1rem;
  background: var(--field-bg);
  border: 1px dashed var(--accent);
  border-radius: 8px;
  text-align: center;
  word-break: break-all;
  user-select: all;
  margin: 1rem 0;
}
.error { color: var(--danger); margin: 0.5rem 0; }
.toolbar { display: flex; gap: 0.5rem; margin-bottom: 1rem; align-items: center; }
.toolbar input[type="search"] { flex: 1; }
.encounter { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.sync-status { font-size: 0.8rem; color: var(--fg-muted); margin-top: 0.5rem; text-align: center; }
.loading { color: var(--fg-muted); text-align: center; padding: 2rem; }
.stack > * + * { margin-top: 0.5rem; }