:root {
  --bg: #0f1320;
  --bg-soft: #161b2e;
  --card: #1b2236;
  --card-2: #212a44;
  --border: #2c3658;
  --text: #e8ecf6;
  --muted: #97a1bd;
  --accent: #6c8cff;
  --accent-2: #22d3a8;
  --accent-3: #f59e0b;
  --danger: #f87171;
  --radius: 16px;
  --shadow: 0 18px 40px -20px rgba(0, 0, 0, 0.7);
  --grad: linear-gradient(135deg, #6c8cff 0%, #22d3a8 100%);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(1200px 600px at 110% -10%, rgba(108, 140, 255, 0.18), transparent 60%),
    radial-gradient(900px 500px at -10% 0%, rgba(34, 211, 168, 0.14), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app {
  width: 100%;
  margin: 0;
  padding: 24px 28px 40px 20px;
}

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 16px; }
.logo {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  font-size: 26px; font-weight: 800;
  border-radius: 14px;
  background: var(--grad);
  color: #0b0f1a;
  box-shadow: var(--shadow);
}
.app-header h1 { margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; }
.subtitle { margin: 2px 0 0; color: var(--muted); font-size: 14px; }

/* Mobile-Ergebnisleiste: bleibt beim Scrollen sichtbar (nur schmale Screens) */
.mobile-bar { display: none; }
@media (max-width: 980px) {
  .mobile-bar {
    display: flex;
    justify-content: space-around;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    margin: 0 -28px 16px -20px;
    padding: 10px 16px;
    background: rgba(15, 19, 32, 0.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
  }
  .mobile-bar div { display: flex; flex-direction: column; align-items: center; gap: 2px; }
  .mobile-bar span { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
  .mobile-bar strong { font-size: 18px; font-weight: 800; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
}

/* Desktop: rechte Seite (KPIs + Diagramm) statisch, linke Leiste scrollbar */
@media (min-width: 981px) {
  html, body { height: 100%; overflow: hidden; }
  .app { height: 100vh; display: flex; flex-direction: column; padding-bottom: 14px; }
  .app-header { flex: 0 0 auto; margin-bottom: 20px; }
  .layout { flex: 1 1 auto; min-height: 0; align-items: stretch; }
  .form-card { overflow-y: auto; max-height: 100%; }
  .results-col { height: 100%; min-height: 0; overflow-y: auto; }
  .chart-card { flex: 1 1 auto; min-height: 330px; display: flex; flex-direction: column; }
  .chart-card .chart-head { flex: 0 0 auto; }
  .chart-wrap.tall { flex: 1 1 auto; height: auto; min-height: 220px; }
  .table-card { flex: 0 0 auto; }
  .table-card .table-wrap { max-height: 32vh; }
  .app-footer { flex: 0 0 auto; margin-top: 12px; }
}

/* Cards */
.card {
  background: linear-gradient(180deg, var(--card) 0%, var(--bg-soft) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-title { margin: 0; font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }

/* Form */
.form-card { padding: 22px; }
.form-card .card-title { margin-bottom: 16px; }
.group { border: none; margin: 0 0 18px; padding: 0; }
.group legend {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent); font-weight: 700; margin-bottom: 10px; padding: 0;
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.field span { font-size: 13px; color: var(--muted); font-weight: 500; }
.field input, .field select {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
/* Stepper-Buttons (Auf/Ab) bei Zahlenfeldern entfernen */
.field input[type="number"]::-webkit-outer-spin-button,
.field input[type="number"]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.field input[type="number"] { -moz-appearance: textfield; appearance: textfield; }
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108, 140, 255, 0.2);
}
.field select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2397a1bd' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px;
}
.saved-hint { font-size: 12px; color: var(--muted); margin: 4px 0 0; display: flex; align-items: center; gap: 6px; }
.saved-hint::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }

/* Sonderein-/auszahlungen */
.sonder-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.sonder-empty { font-size: 12px; color: var(--muted); padding: 2px 0; }
.sonder-row {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-left: 3px solid var(--border);
}
.sonder-row.is-in { border-left-color: var(--accent-2); }
.sonder-row.is-out { border-left-color: var(--accent-3); }
.sonder-row-b { display: grid; grid-template-columns: 1fr 1fr auto; gap: 6px; align-items: center; }
.sonder-row input, .sonder-row select {
  width: 100%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  font-family: inherit;
}
.sonder-row input:focus, .sonder-row select:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108, 140, 255, 0.2);
}
.sonder-row select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%2397a1bd' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 8px center; padding-right: 26px;
}
.sonder-remove {
  border: 1px solid var(--border); background: var(--card-2); color: var(--muted);
  width: 34px; height: 34px; border-radius: 8px; cursor: pointer; font-size: 16px; line-height: 1;
  display: grid; place-items: center; transition: border-color 0.15s, color 0.15s;
}
.sonder-remove:hover { border-color: var(--danger); color: var(--danger); }
.btn-add { width: 100%; background: transparent; border-style: dashed; color: var(--accent); }
.btn-add:hover { background: rgba(108, 140, 255, 0.08); }

/* Buttons */
.btn {
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 14px; font-weight: 600;
  cursor: pointer;
  transition: transform 0.1s, border-color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn-ghost { background: transparent; }
.btn-mini { padding: 4px 10px; font-size: 12px; border-radius: 8px; }

/* Results */
.results-col { display: flex; flex-direction: column; gap: 22px; }
.warn-banner {
  border: 1px solid rgba(245, 158, 11, 0.5);
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-3);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
}
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; }
@media (max-width: 520px) { .kpi-grid { grid-template-columns: 1fr; } }

.kpi { padding: 18px; display: flex; flex-direction: column; gap: 4px; position: relative; overflow: hidden; }
.kpi::after { content: ""; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--border); }
.kpi.accent::after { background: var(--accent-3); }
.kpi.highlight::after { background: var(--grad); }
.kpi-label { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 24px; font-weight: 800; letter-spacing: -0.02em; }
.kpi.highlight .kpi-value { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.kpi-sub { font-size: 12px; color: var(--muted); }
.kpi-alt { color: var(--accent-3); font-weight: 600; }
.kpi-detail { font-size: 11px; opacity: 0.85; }

/* Charts */
.chart-card { padding: 20px; }
.chart-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; flex-wrap: wrap; gap: 8px; }
.legend-note { font-size: 12px; color: var(--muted); }
.chart-tools { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* Was-wäre-wenn-Schnellregler */
.quick-sliders { display: flex; gap: 24px; flex-wrap: wrap; margin: 2px 0 6px; }
.quick-sliders label { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--muted); flex: 1 1 260px; }
.quick-sliders span { min-width: 60px; }
.quick-sliders input[type="range"] { flex: 1; accent-color: var(--accent); cursor: pointer; min-width: 100px; }
.quick-sliders output { min-width: 70px; text-align: right; font-weight: 700; color: var(--text); font-variant-numeric: tabular-nums; }
.toggle { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--muted); cursor: pointer; user-select: none; }
.toggle input { accent-color: var(--accent); cursor: pointer; }
.chart-wrap { position: relative; height: 320px; margin-top: 8px; overflow: hidden; }
.chart-wrap.small { height: 240px; }
/* Höhe orientiert sich an der Fensterhöhe (mit Min/Max-Grenzen) */
.chart-wrap.tall { height: clamp(340px, calc(100vh - 330px), 1200px); }
.chart-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 720px) { .chart-row { grid-template-columns: 1fr; } }

/* Jahresübersicht */
.table-card { padding: 14px 20px; }
.table-card summary {
  cursor: pointer; font-size: 14px; font-weight: 700; color: var(--text);
  user-select: none; list-style: none; display: flex; align-items: center; gap: 8px;
}
.table-card summary::-webkit-details-marker { display: none; }
.table-card summary::before { content: "▸"; color: var(--accent); transition: transform 0.15s; }
.table-card[open] summary::before { transform: rotate(90deg); }
.table-wrap { overflow: auto; max-height: 300px; margin-top: 12px; }
.jahres-tabelle { width: 100%; border-collapse: collapse; font-size: 13px; }
.jahres-tabelle th {
  text-align: right; padding: 6px 10px; color: var(--muted); font-weight: 600;
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  position: sticky; top: 0; background: var(--card); z-index: 1;
}
.jahres-tabelle th:first-child, .jahres-tabelle td:first-child { text-align: left; }
.jahres-tabelle td { text-align: right; padding: 5px 10px; border-top: 1px solid rgba(44,54,88,0.4); font-variant-numeric: tabular-nums; }
.jahres-tabelle tr.milestone td { color: var(--accent-3); font-weight: 600; }
.jahres-tabelle tr:hover td { background: rgba(108, 140, 255, 0.06); }

.app-footer { margin-top: 32px; text-align: center; color: var(--muted); font-size: 12px; }