:root {
  --bg: #f7f7f5;
  --surface: #ffffff;
  --surface-alt: #f0efec;
  --text: #1c1c1a;
  --text-muted: #6b6b66;
  --border: #e2e1dc;
  --accent: #0b3d5a;
  --accent-contrast: #ffffff;
  --danger: #b3261e;
  --danger-bg: #fbeceb;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  --radius: 12px;

  --chart-1: #0b3d5a;
  --chart-2: #e98a3b;
  --chart-3: #4c9a7e;
  --chart-4: #c15b6f;
  --chart-5: #8a6bbd;
  --chart-6: #cba135;
  --chart-7: #4f8fc0;
  --chart-8: #a8763e;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17181a;
    --surface: #1f2124;
    --surface-alt: #26282b;
    --text: #eceeec;
    --text-muted: #9a9c98;
    --border: #34363a;
    --accent: #6fb3e0;
    --accent-contrast: #0b1720;
    --danger: #ff6b60;
    --danger-bg: #3a1f1e;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

:root[data-theme="dark"] {
  --bg: #17181a;
  --surface: #1f2124;
  --surface-alt: #26282b;
  --text: #eceeec;
  --text-muted: #9a9c98;
  --border: #34363a;
  --accent: #6fb3e0;
  --accent-contrast: #0b1720;
  --danger: #ff6b60;
  --danger-bg: #3a1f1e;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding-bottom: env(safe-area-inset-bottom, 0);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(env(safe-area-inset-top, 0px), 16px) 16px 12px;
  background: var(--accent);
  color: var(--accent-contrast);
}
.topbar h1 { font-size: 1.1rem; margin: 0; font-weight: 600; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  background: none; border: none; font-size: 1.3rem; cursor: pointer;
  color: inherit; padding: 4px 8px; line-height: 1;
}

.sync-status {
  font-size: 0.9rem;
  color: #e0a63c; /* amber = offline / wird noch synchronisiert */
  transition: color 0.2s;
}
.sync-status.synced { color: #4c9a7e; }

/* ---- Onboarding ---- */
#onboarding {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
.onboarding-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.onboarding-card h1 { margin: 0 0 6px; font-size: 1.3rem; }
.onboarding-card .hint { text-align: left; margin: 0 0 20px; }
.onboarding-block h2 {
  font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--text-muted); margin: 0 0 12px;
}
.onboarding-divider {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  margin: 20px 0;
  position: relative;
}
.hint.error { color: var(--danger); }

.tabs {
  display: flex;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}
.tab {
  flex: 1;
  padding: 12px 8px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
}
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 16px;
  padding-bottom: 48px;
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.label-hint {
  font-weight: 400;
  font-size: 0.78rem;
  opacity: 0.85;
}

input, select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
}

input:focus, select:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.amount-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.amount-row input { flex: 1; }
.currency-label {
  margin-top: 6px;
  padding: 12px 10px;
  font-weight: 600;
  color: var(--text-muted);
  white-space: nowrap;
}

.primary-btn {
  width: 100%;
  padding: 14px;
  background: var(--accent);
  color: var(--accent-contrast);
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.primary-btn:active { opacity: 0.85; }

.form-actions { display: flex; gap: 8px; }
.form-actions .primary-btn { flex: 1; }

.secondary-btn {
  padding: 14px;
  background: none;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}
.secondary-btn:active { opacity: 0.85; }

.hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
}

/* ---- List ---- */
.list-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.list-toolbar input { flex: 2 1 160px; margin-top: 0; }
.list-toolbar select { flex: 1 1 120px; margin-top: 0; }

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

.expense-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.expense-item .cat-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}

.expense-item .info { flex: 1; min-width: 0; }
.expense-item .info .cat { font-weight: 600; font-size: 0.92rem; }
.expense-item .info .owner-tag { font-weight: 400; color: var(--text-muted); }
.expense-item .info .note {
  font-size: 0.85rem; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.expense-item .info .date { font-size: 0.78rem; color: var(--text-muted); }

.expense-item .amount { font-weight: 700; white-space: nowrap; }

.expense-item .del-btn,
.expense-item .edit-btn {
  background: none; border: none; color: var(--text-muted);
  font-size: 1.1rem; cursor: pointer; padding: 4px 6px;
}
.expense-item .del-btn:hover { color: var(--danger); }
.expense-item .edit-btn:hover { color: var(--accent); }

/* ---- Auswertung ---- */
.summary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 24px;
}
.summary-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  box-shadow: var(--shadow);
}
.summary-card .label { font-size: 0.78rem; color: var(--text-muted); }
.summary-card .value { font-size: 1.25rem; font-weight: 700; margin-top: 4px; }

h2 {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin: 22px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

canvas {
  width: 100%;
  height: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: block;
}

.legend {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.legend li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
}
.legend .dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.legend .lg-cat { flex: 1; }
.legend .lg-amount { font-weight: 600; }

.export-row {
  display: flex;
  gap: 10px;
  margin-top: 28px;
}
.export-row button {
  flex: 1;
  padding: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
}

/* ---- Dialog ---- */
dialog {
  border: none;
  border-radius: var(--radius);
  padding: 20px;
  background: var(--surface);
  color: var(--text);
  width: min(92vw, 480px);
  max-height: 88vh;
  overflow-y: auto;
}
dialog::backdrop { background: rgba(0, 0, 0, 0.5); }
dialog h2 { margin-top: 0; text-transform: none; letter-spacing: normal; font-size: 1.1rem; }

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin: 0 0 16px;
  padding: 12px;
}
fieldset legend { padding: 0 6px; color: var(--text-muted); font-size: 0.85rem; }

.manage-list {
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.manage-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
}
.manage-list li span { flex: 1; }
.manage-list li button {
  background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 1rem;
}
.manage-list li button:hover { color: var(--danger); }

.add-row { display: flex; gap: 8px; }
.add-row input { margin-top: 0; flex: 1; }
.add-row button {
  margin-top: 0;
  padding: 0 16px;
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 1.1rem;
  cursor: pointer;
}

.trip-code-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.trip-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 8px 12px;
  background: var(--surface-alt);
  border-radius: var(--radius);
  flex: 1;
  text-align: center;
}
.trip-code-row button {
  padding: 10px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  cursor: pointer;
}

.danger-row { margin-bottom: 8px; }
.danger-row button {
  width: 100%;
  padding: 10px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-alt);
  color: var(--text);
  cursor: pointer;
}
.danger-btn { color: var(--danger) !important; border-color: var(--danger-bg) !important; }

.dialog-actions { margin-top: 4px; }

.qr-box {
  width: min(240px, 100%);
  margin: 0 auto 14px;
  border-radius: var(--radius);
  overflow: hidden;
  line-height: 0;
}
.qr-box svg { width: 100%; height: auto; display: block; }
.share-row { margin-bottom: 14px; }
.share-row .primary-btn { width: 100%; }
.app-version {
  margin: 14px 0 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}