:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1c1f24;
  --muted: #6b7280;
  --border: #e3e5e9;
  --accent: #2f6fec;
  --accent-text: #ffffff;
  --accent-soft: #e5eefe;
  --warn: #b45309;
  --warn-soft: rgba(254, 243, 199, 0.75);
  --danger: #c0392b;
  --danger-soft: #fdecea;
  --radius: 16px;
  --bg-image: url("/bg-light.svg");
  --glass: rgba(255, 255, 255, 0.55);
  --glass-strong: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.75);
  --input-bg: rgba(255, 255, 255, 0.7);
  --shadow: 0 8px 32px rgba(31, 38, 80, 0.12);
  /* Diagrammfarben aus der geprüften Referenzpalette (Slot 1 Blau, Slot 2 Orange) */
  --series-fixed: #2a78d6;
  --series-variable: #eb6834;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121418;
    --surface: #1b1e24;
    --text: #e8eaed;
    --muted: #9aa1ac;
    --border: #2c3038;
    --accent: #5b8ff5;
    --accent-text: #0d1220;
    --accent-soft: #1f2a40;
    --warn: #f5b041;
    --warn-soft: rgba(120, 80, 10, 0.35);
    --danger: #f1786b;
    --danger-soft: #3b1d1a;
    --bg-image: url("/bg-dark.svg");
    --glass: rgba(22, 26, 40, 0.55);
    --glass-strong: rgba(18, 21, 34, 0.7);
    --glass-border: rgba(255, 255, 255, 0.09);
    --input-bg: rgba(255, 255, 255, 0.06);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    --series-fixed: #3987e5;
    --series-variable: #d95926;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}

/* Fester Hintergrund als eigene Ebene (background-attachment: fixed ruckelt auf iOS). */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: var(--bg) var(--bg-image) center / cover no-repeat;
}

.topbar, .card, .stat {
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 0 0 12px; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 12px 24px;
  background: var(--glass-strong);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); }
.topbar nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar form { margin: 0; }
.who { color: var(--muted); font-size: 0.9rem; }

main { max-width: 1100px; margin: 0 auto; padding: 24px 16px 48px; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.card.narrow { max-width: 620px; }
.card.auth { max-width: 400px; margin: 48px auto; }
.card.auth h1 { margin-bottom: 16px; }
.card.notice { border-color: var(--warn); background: var(--warn-soft); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}
.stat {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.stat .label { color: var(--muted); font-size: 0.85rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat.alert { border-color: var(--warn); }
.stat.alert .value { color: var(--warn); }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 0 20px; }

.bars { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.bar-label { display: flex; justify-content: space-between; gap: 8px; font-size: 0.9rem; }
.bar-label span:last-child { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.bar { height: 8px; background: var(--accent-soft); border-radius: 4px; overflow: hidden; margin-top: 4px; }
.bar span { display: block; height: 100%; background: var(--accent); border-radius: 4px; }

#einkommen { scroll-margin-top: 72px; }
/* Auf dem Handy bricht die Leiste mehrzeilig um und würde zu viel Platz verdecken. */
@media (max-width: 560px) {
  .topbar { position: static; }
  #einkommen { scroll-margin-top: 16px; }
}
.income-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.income-head h2 { margin: 0; }
.income-form { display: grid; grid-template-columns: auto auto; gap: 4px 8px; align-items: center; }
.income-form label { grid-column: 1 / -1; }
.input-group { display: flex; align-items: center; background: var(--input-bg); border: 1px solid var(--border); border-radius: 8px; }
.input-group input { border: none; background: transparent; width: 140px; text-align: right; }
.input-group .suffix { color: var(--muted); font-size: 0.85rem; padding-right: 10px; white-space: nowrap; }

.income-body { display: grid; grid-template-columns: 180px 1fr 1.2fr; gap: 28px; align-items: start; }
@media (max-width: 860px) { .income-body { grid-template-columns: 160px 1fr; } .income-cats { grid-column: 1 / -1; } }
@media (max-width: 480px) { .income-body { grid-template-columns: 1fr; justify-items: stretch; } .ring { justify-self: center; } }

.ring { position: relative; width: 180px; height: 180px; margin: 0; }
@media (max-width: 860px) { .ring { width: 160px; height: 160px; } }
.ring svg { width: 100%; height: 100%; display: block; }
.ring circle { fill: none; stroke-width: 12; }
.ring-track { stroke: var(--accent-soft); }
.ring-value { stroke: var(--accent); stroke-linecap: round; }
.ring figcaption { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; line-height: 1.2; }
.ring-pct { font-size: 1.7rem; font-weight: 700; font-variant-numeric: tabular-nums; }

.income-facts { margin: 0; display: grid; gap: 10px; }
.income-facts div { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.income-facts div:last-child { border-bottom: none; padding-bottom: 0; }
.income-facts dt { color: var(--muted); font-size: 0.9rem; }
.income-facts dd { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; white-space: nowrap; }
.income-cats h3 { margin: 0 0 10px; font-size: 0.85rem; }

.plain { list-style: none; margin: 0; padding: 0; }
.plain li + li { margin-top: 6px; }
.upcoming li { display: flex; justify-content: space-between; gap: 12px; font-variant-numeric: tabular-nums; }
.upcoming .date { color: var(--muted); margin-right: 8px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); font-weight: 600; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.inactive td { opacity: 0.55; }
tbody tr:last-child td { border-bottom: none; }
.actions { white-space: nowrap; text-align: right; }
.actions form { display: inline; margin-left: 12px; }

.hint { color: var(--muted); font-size: 0.85rem; font-weight: normal; }
td .hint { display: block; }
td.num .hint { display: inline; }

.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  vertical-align: middle;
}
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.muted { background: var(--input-bg); color: var(--muted); border: 1px solid var(--border); }

.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 4px; font-weight: 600; font-size: 0.9rem; }
.form label.check { display: flex; align-items: center; gap: 8px; font-weight: normal; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }

input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  width: 100%;
  font-weight: normal;
}
input[type="checkbox"] { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

.button {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-text);
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.button:hover { text-decoration: none; filter: brightness(1.08); }

button.link {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  color: var(--accent);
  cursor: pointer;
}
button.link:hover { text-decoration: underline; }
button.link.danger { color: var(--danger); }

.button.secondary { background: var(--input-bg); color: var(--text); border: 1px solid var(--border); }
.button.danger { background: var(--danger); color: #fff; }
.badge.danger { background: var(--danger-soft); color: var(--danger); }

.account-actions { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.account-actions h2 { margin-bottom: 4px; }
.account-actions p { margin: 0; max-width: 560px; }
.action-buttons { display: flex; gap: 10px; }
.action-buttons form { margin: 0; }

.success {
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 20px;
}

.form-actions { display: flex; align-items: center; gap: 16px; }

.error {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 14px;
}

/* ---------- Ausgaben-Tracker: Navigation & Monatswahl ---------- */
.topbar nav a.active { font-weight: 700; text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.head-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.page-head.sub { margin-top: 8px; }
.page-head.sub h2 { margin: 0; font-size: 1.2rem; }
.lead { margin: -8px 0 20px; }

.month-nav { display: flex; align-items: center; gap: 6px; }
.month-label { font-weight: 700; min-width: 150px; text-align: center; font-variant-numeric: tabular-nums; }
.month-step {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--glass); border: 1px solid var(--glass-border);
  color: var(--text); font-size: 1.3rem; line-height: 1;
}
.month-step:hover { text-decoration: none; background: var(--glass-strong); }
.month-today { font-size: 0.85rem; margin-left: 6px; }

.card-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.card-head h2 { margin: 0; }

/* ---------- Farbmarken & Legende ---------- */
.swatch { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: baseline; }
.swatch.fixed { background: var(--series-fixed); }
.swatch.variable { background: var(--series-variable); }
.legend { display: flex; gap: 16px; font-size: 0.85rem; color: var(--muted); }
.danger-text { color: var(--danger); }

/* ---------- Verlaufsdiagramm ---------- */
.chart-wrap { overflow-x: auto; margin: 0 -4px; }
.chart { width: 100%; min-width: 560px; height: auto; display: block; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .axis { fill: var(--muted); font-size: 11px; }
.chart .axis.strong { fill: var(--text); font-weight: 700; }
.chart .value-label { fill: var(--text); font-size: 12px; font-weight: 700; }
.chart .hit { fill: transparent; }
.chart .seg.fixed { fill: var(--series-fixed); }
.chart .seg.variable { fill: var(--series-variable); }
.chart .bar-group .seg { opacity: 0.55; transition: opacity 0.15s; }
.chart .bar-group.is-selected .seg, .chart .bar-group:hover .seg, .chart .bar-group:focus .seg { opacity: 1; }
.chart .bar-group:hover .hit { fill: var(--accent-soft); fill-opacity: 0.5; }
.table-toggle { margin-top: 8px; }
.table-toggle summary { cursor: pointer; color: var(--accent); font-size: 0.9rem; }

/* Ring mit zwei Segmenten */
.ring-seg { stroke-linecap: butt; }
.ring-seg.fixed { stroke: var(--series-fixed); }
.ring-seg.variable { stroke: var(--series-variable); }
.income-facts dd .hint { margin-left: 4px; }

/* ---------- Budgets ---------- */
.budgets { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.budget .bar span { background: var(--accent); }
.budget.warn .bar span { background: var(--warn); }
.budget.over .bar span { background: var(--danger); }
.budget-status { margin-top: 4px; font-size: 0.85rem; }
.budget-grid { display: grid; grid-template-columns: 1fr auto; gap: 10px 16px; align-items: center; }
.budget-grid label { font-weight: 600; font-size: 0.9rem; }
.budget-grid .input-group input { width: 110px; }

.bar.variable span { background: var(--series-variable); }

/* ---------- Schnell-Erfassung ---------- */
.quick-form { display: grid; grid-template-columns: 150px 190px 160px 1fr auto; gap: 12px; align-items: end; }
.quick-form label { display: grid; gap: 4px; font-weight: 600; font-size: 0.85rem; }
.quick-form .input-group input { width: 100%; font-weight: 600; }
.saved-note { color: var(--accent); font-weight: 600; font-size: 0.9rem; }
@media (max-width: 900px) {
  .quick-form { grid-template-columns: 1fr 1fr; }
  .qa-note { grid-column: 1 / -1; }
  .qa-submit { grid-column: 1 / -1; }
}

/* ---------- Ausgabenliste ---------- */
.expenses-layout { align-items: start; grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr); }
@media (max-width: 760px) { .expenses-layout { grid-template-columns: 1fr; } }
.sum { color: var(--muted); font-variant-numeric: tabular-nums; }
.sum strong { color: var(--text); }
.days { display: grid; gap: 14px; }
.day-head { display: flex; justify-content: space-between; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); font-weight: 600; border-bottom: 1px solid var(--border); padding-bottom: 4px; margin-bottom: 6px; font-variant-numeric: tabular-nums; }
.expense-rows li { display: flex; align-items: center; gap: 12px; padding: 4px 0; }
.expense-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.expense-main .hint { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.expense-amount { font-variant-numeric: tabular-nums; white-space: nowrap; }
.expense-rows .actions { font-size: 0.85rem; }

.export-line { text-align: center; margin-top: 8px; }

@media (max-width: 560px) {
  .page-head { align-items: flex-start; }
  .month-label { min-width: 0; }
}
@media (max-width: 560px) {
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat { padding: 12px 14px; }
  .stat .label { font-size: 0.78rem; }
  .stat .value { font-size: 1.25rem; }
}