:root {
  --bg: #0b0d10;
  --surface: #14171c;
  --card: #1a1e24;
  --border: #2a3038;
  --text: #e6e8eb;
  --muted: #9aa3ad;
  --accent: #f7931a;
  --accent-dim: rgba(247, 147, 26, 0.12);
  --accent-glow: rgba(247, 147, 26, 0.25);
  --danger: #ff6b6b;
  --success: #3ddc84;
  --info: #4da3ff;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 45px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hero {
  position: relative;
  background:
    radial-gradient(ellipse at top, rgba(247,147,26,0.12) 0%, transparent 55%),
    linear-gradient(135deg, #14171c 0%, #1f242c 100%);
  border-bottom: 1px solid var(--border);
  padding: 4rem 1.5rem 3rem;
  text-align: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23f7931a' fill-opacity='0.04' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
  opacity: .35;
  pointer-events: none;
}
.hero-content { position: relative; max-width: 800px; margin: 0 auto; z-index: 1; }
.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.8px;
  margin-bottom: 1.25rem;
  text-shadow: 0 0 24px var(--accent-glow);
}
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.2rem);
  font-weight: 900;
  margin: 0 0 0.9rem;
  line-height: 1.12;
}
.hero-sub {
  color: var(--muted);
  font-size: 1.2rem;
  margin: 0 auto 1.75rem;
  max-width: 620px;
}
.hero-badges {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--accent-dim);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border: 1px solid var(--accent-glow);
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  margin-bottom: 1.75rem;
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s, border-color .2s;
}
.card:hover { border-color: #353c46; }
.card h2 {
  margin-top: 0;
  font-size: 1.45rem;
  color: var(--text);
  font-weight: 800;
}
.card h3 {
  margin-top: 0;
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 700;
}
.card h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 700;
}

.muted { color: var(--muted); }

.comparison-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin-top: 1.75rem;
}
.comp-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
  transition: transform .25s, border-color .25s, box-shadow .25s;
  cursor: default;
}
.comp-card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: var(--shadow-lg); }
.comp-icon { font-size: 2.4rem; margin-bottom: 0.85rem; }
.comp-card h3 { margin: 0 0 0.5rem; color: var(--text); }
.comp-card p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.comp-highlight {
  border-color: var(--accent);
  background: linear-gradient(180deg, var(--surface) 0%, rgba(247,147,26,0.08) 100%);
}

.input-group { margin-bottom: 2.25rem; }
.input-group:last-child { margin-bottom: 0; }
.input-group h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  margin-bottom: 1.1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 1.1rem;
}
.grid.sliders { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

label {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.86rem;
  color: var(--muted);
  font-weight: 500;
}

input, select {
  padding: 0.75rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  transition: border-color .15s, box-shadow .15s, background .15s;
  width: 100%;
}
input:hover, select:hover { border-color: #3e4752; }
input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
  background: #181c22;
}
input[type="range"] {
  padding: 0;
  accent-color: var(--accent);
  cursor: pointer;
  min-height: 1.6rem;
}

label .hint {
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.35;
}
.range-value {
  align-self: flex-start;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 0.82rem;
}

button.primary {
  background: var(--accent);
  color: #0a0a0a;
  border: none;
  padding: 1.1rem 2rem;
  border-radius: 12px;
  font-size: 1.1rem;
  font-weight: 800;
  cursor: pointer;
  width: 100%;
  transition: filter .15s, transform .1s, box-shadow .15s;
  box-shadow: 0 8px 24px rgba(247,147,26,0.18);
}
button.primary:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 12px 32px rgba(247,147,26,0.26); }
button.primary:active { transform: translateY(0); }

button.help {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  border: 1px solid var(--muted);
  background: transparent;
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 700;
  margin-left: .25rem;
  padding: 0;
  cursor: help;
}
button.help:hover { border-color: var(--accent); color: var(--accent); }

.tooltip {
  position: fixed;
  max-width: 260px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.85rem;
  font-size: 0.82rem;
  line-height: 1.45;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .15s, transform .15s;
  z-index: 1000;
}
.tooltip.visible { opacity: 1; transform: translateY(0); }

.results.hidden { display: none; }
.results { animation: fadeIn 0.4s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

.summary-card {
  background:
    linear-gradient(135deg, var(--card) 0%, #1e232b 100%),
    radial-gradient(ellipse at top right, rgba(247,147,26,0.08) 0%, transparent 55%);
  background-blend-mode: screen;
}
.metrics-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
}
.metric-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem;
  text-align: center;
  transition: border-color .2s;
}
.metric-box:hover { border-color: #3e4752; }
.metric-box .label {
  display: block;
  color: var(--muted);
  font-size: 0.78rem;
  margin-bottom: 0.45rem;
}
.metric-box .value {
  display: block;
  font-size: 1.35rem;
  font-weight: 800;
}
.positive { color: var(--success); }
.negative { color: var(--danger); }
.neutral { color: var(--accent); }

.recommendation-banner {
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
}
.recommendation-banner strong { color: var(--accent); font-weight: 800; }

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.scenario {
  border-left: 4px solid var(--accent);
  display: flex;
  flex-direction: column;
}
.scenario.best {
  border-color: var(--success);
  box-shadow: 0 0 0 1px rgba(61,220,132,0.35), var(--shadow);
}
.scenario.best h3 { color: var(--success); }
.scenario.best::after {
  content: "🏆 Empfohlen";
  display: inline-block;
  align-self: flex-start;
  margin-top: 1rem;
  background: rgba(61,220,132,0.12);
  color: var(--success);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.35rem 0.7rem;
  border-radius: 8px;
}
.scenario-content { flex: 1; font-size: 0.96rem; }
.metric {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--border);
}
.metric:last-child { border-bottom: none; }
.metric .label { color: var(--muted); }
.metric .value { font-weight: 700; text-align: right; white-space: nowrap; }

.recommendation {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--accent-dim);
  border-radius: 10px;
  border-left: 4px solid var(--accent);
  font-size: 0.95rem;
  line-height: 1.5;
}
.recommendation strong { color: var(--accent); }

.future-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.future-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem;
  transition: border-color .2s;
}
.future-card:hover { border-color: var(--accent); }
.future-card strong {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.chart-wrap {
  position: relative;
  height: 340px;
  margin-top: 1.25rem;
}

.risk-list {
  color: var(--muted);
  padding-left: 1.2rem;
}
.risk-list li { margin-bottom: 0.7rem; line-height: 1.55; }

.info-badge {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .4px;
  margin-left: .5rem;
}
.info-badge.safe { background: rgba(61,220,132,0.12); color: var(--success); }
.info-badge.warn { background: rgba(247,147,26,0.12); color: var(--accent); }
.info-badge.danger { background: rgba(255,107,107,0.12); color: var(--danger); }

.liquidation-bar {
  position: relative;
  height: 12px;
  background: linear-gradient(90deg, var(--danger) 0%, var(--accent) 50%, var(--success) 100%);
  border-radius: 999px;
  margin: 0.6rem 0 0.25rem;
}
.liquidation-marker {
  position: absolute;
  top: -5px;
  width: 4px;
  height: 22px;
  background: #fff;
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(255,255,255,0.5);
}

.warning-box {
  background: rgba(255,107,107,0.08);
  border: 1px solid rgba(255,107,107,0.25);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-top: 1rem;
  color: var(--danger);
  font-size: 0.9rem;
}

.infeasible {
  opacity: .6;
}

.empty-state {
  color: var(--muted);
  font-size: 0.95rem;
  padding: 0.5rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.92rem;
}
th, td {
  text-align: right;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 700; text-align: right; }
tbody tr { transition: background .15s; }
tbody tr:hover { background: rgba(255,255,255,0.04); }
tbody tr.best-option { background: rgba(247,147,26,0.10); }
tbody tr.best-option:hover { background: rgba(247,147,26,0.16); }
tbody tr.best-option td { border-bottom-color: rgba(247,147,26,0.25); }
tbody td:first-child, thead th:first-child { text-align: left; }
.score { font-weight: 800; color: var(--accent); font-size: 1.15rem; }

/* Entscheidungshilfe: Desktop = Tabelle, Mobil = Karten */
.decision-cards { display: none; }

@media (max-width: 640px) {
  .decision-table { display: none; }
  .decision-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
  }
  .decision-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
  }
  .decision-card.best-option {
    background: rgba(247,147,26,0.10);
    border-color: rgba(247,147,26,0.45);
    box-shadow: 0 0 0 1px rgba(247,147,26,0.25);
  }
  .decision-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
  }
  .decision-card-header strong {
    color: var(--text);
    font-size: 1rem;
  }
  .decision-card p.muted {
    margin: 0 0 0.75rem;
    font-size: 0.82rem;
    line-height: 1.4;
  }
  .decision-card-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .decision-card-body > div {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
  }
  .decision-card-body .label {
    color: var(--muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }
  .decision-card-body .value {
    color: var(--text);
    font-weight: 700;
    font-size: 0.9rem;
  }
}

.mode-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.mode-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 999px;
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.mode-toggle:hover { border-color: var(--accent); }
.mode-toggle[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0a0a;
}
.mode-hint { color: var(--muted); font-size: 0.82rem; }

/* Simple Mode visibility */
body.simple-mode .full-only { display: none !important; }
body:not(.simple-mode) .simple-only { display: none !important; }
body:not(.simple-mode) .simple-summary-card { display: none !important; }
body:not(.simple-mode) .simple-risk-card { display: none !important; }
body.simple-mode .risk-card { display: none !important; }

body.simple-mode .mode-head::after { content: " — Einfach"; color: var(--muted); font-weight: 500; }

body.simple-mode .inputs-card .grid,
body.simple-mode .simple-grid { grid-template-columns: 1fr; }
body.simple-mode .simple-grid.two-col { grid-template-columns: repeat(2, 1fr); }

/* Simple Mode summary */
.simple-summary-card {
  background:
    linear-gradient(135deg, var(--card) 0%, #1e232b 100%),
    radial-gradient(ellipse at top right, rgba(247,147,26,0.10) 0%, transparent 55%);
  background-blend-mode: screen;
}
.simple-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.simple-summary-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem;
  text-align: center;
}
.simple-summary-box .label {
  display: block;
  color: var(--muted);
  font-size: 0.8rem;
  margin-bottom: 0.5rem;
}
.simple-summary-box .value {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
}
.simple-summary-box.positive .value { color: var(--success); }
.simple-summary-box.negative .value { color: var(--danger); }
.simple-summary-box.neutral .value { color: var(--accent); }
.simple-summary-note {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
.simple-split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.simple-split-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.1rem;
}
.simple-split-box h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--accent);
}
.simple-split-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.92rem;
}
.simple-split-row:last-child { border-bottom: none; }
.simple-split-row .label { color: var(--muted); }
.simple-split-row .value { font-weight: 700; text-align: right; }
.simple-risk-list { font-size: 0.88rem; }
.simple-risk-list li { margin-bottom: 0.55rem; }

@media (max-width: 640px) {
  .mode-toggle-wrap { flex-direction: column; align-items: flex-start; }
  .simple-summary-grid,
  .simple-split { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { padding: 1rem; }
  .card { padding: 1.25rem; }
  .grid, .grid.sliders, .scenario-grid, .future-grid, .metrics-row { grid-template-columns: 1fr; }
  .hero { padding: 2.5rem 1rem 2rem; }
  .chart-wrap { height: 280px; }
  table { font-size: 0.82rem; }
  th, td { padding: 0.45rem; }
  th { text-align: right; }
  tbody td:first-child, thead th:first-child { text-align: left; }
  button.primary { font-size: 1rem; padding: 1rem; }
}