:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #dc2626;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111827;
    --fg: #f3f4f6;
    --muted: #9ca3af;
    --border: #374151;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0 auto;
  max-width: 640px;
  padding: 1rem;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--fg);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

h1 {
  font-size: 1.25rem;
  margin: 0;
}

button {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  border-radius: 6px;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
  font-size: 0.85rem;
}

button:hover {
  background: var(--border);
}

#settings-panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

#settings-form label {
  display: block;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 0.75rem;
}

#settings-form input {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}

#search-panel {
  margin-bottom: 0.5rem;
}

#search-input {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}

#status {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.5rem 0;
  min-height: 1em;
}

#memo-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.memo {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
}

.memo--failed {
  border-color: var(--danger);
}

.memo__raw {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: pre-wrap;
  margin: 0 0 0.4rem;
}

.memo__summary {
  font-weight: 600;
  margin: 0 0 0.4rem;
}

.memo__meta {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 0.4rem;
}

.memo__tag {
  margin-right: 0.4rem;
}

.memo__next-action {
  font-size: 0.85rem;
  margin: 0 0 0.4rem;
}

.memo__error {
  font-size: 0.8rem;
  color: var(--danger);
  margin: 0 0 0.4rem;
}

.memo__date {
  font-size: 0.7rem;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.memo__actions {
  display: flex;
  gap: 0.5rem;
}

.empty {
  color: var(--muted);
  text-align: center;
  padding: 2rem 0;
}