:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --accent: #2a6f4f;
  --danger: #a3312a;
  --border: #dddddd;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --fg: #f0f0f0;
    --muted: #a0a0a0;
    --accent: #6fcf97;
    --danger: #e08a84;
    --border: #333333;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.4;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 16px env(safe-area-inset-bottom);
}

.view { padding-top: 16px; }
.view[hidden] { display: none; }

h1 { font-size: 1.3rem; margin: 0.5em 0; }

form { display: flex; flex-direction: column; gap: 8px; }

label { font-size: 0.85rem; color: var(--muted); margin-top: 8px; }

input {
  font-size: 1rem;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
}

button {
  font-size: 1rem;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--fg);
}

button:active { opacity: 0.7; }

.error { color: var(--danger); min-height: 1.2em; }

.progress-header {
  text-align: center;
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.transaction-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
}

.amount { font-size: 1.6rem; font-weight: 600; }
.merchant { font-size: 1.1rem; margin-top: 4px; }
.date, .account { color: var(--muted); font-size: 0.9rem; }
.booking-text { color: var(--muted); font-size: 0.85rem; margin-top: 8px; }
.tx-status { margin-top: 8px; font-size: 0.85rem; }
.tx-comment { margin-top: 4px; font-size: 0.85rem; font-style: italic; }

.category-breadcrumb {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.category-list {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.category-list li button {
  width: 100%;
  text-align: left;
}

.actions, .secondary-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}

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

#btn-finalize { background: var(--accent); color: var(--bg); }