/* ============================================================
   MARKTFORSCHUNGS-STUDIO — studio.css
   Studio/Mischpult-Design · Gibson-Ästhetik · Dark Theme
   ============================================================ */

/* ── DESIGN-TOKENS ──────────────────────────────────────────── */
:root {
  --bg:           #0d1117;
  --surface:      #161b22;
  --panel:        #1c2128;
  --control:      #21262d;
  --control-hi:   #2d333b;
  --border:       #30363d;
  --border-dim:   #21262d;

  --amber:        #c9a84c;
  --amber-light:  #e4c46e;
  --amber-dim:    #7a6028;
  --amber-glow:   rgba(201,168,76,0.22);
  --amber-faint:  rgba(201,168,76,0.07);

  --green:        #3fb950;
  --green-dim:    rgba(63,185,80,0.18);
  --green-glow:   rgba(63,185,80,0.35);

  --red:          #f85149;
  --red-dim:      rgba(248,81,73,0.15);

  --text:         #e6edf3;
  --text-muted:   #7d8590;
  --text-dim:     #484f58;

  --radius:       8px;
  --radius-lg:    12px;
  --radius-xl:    16px;

  --header-h:     58px;
  --maxw:         1200px;
  --font-ui:      'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-label:   'Barlow Condensed', 'Inter', sans-serif;
}

/* ── RESET & BASE ────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 15px; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; outline: none; }
input, select { font-family: inherit; }

/* ── SCROLLBAR ───────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--amber-dim); }

/* ── MOBILE WARNING ─────────────────────────────────────────── */
#mobile-warning {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 200;
  background: var(--surface);
  border-top: 2px solid var(--amber);
  padding: 16px 20px;
  display: none;
}
.mobile-warning-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 14px;
}
.mobile-warning-text {
  flex: 1;
  font-size: 13px;
  color: var(--text-muted);
}
.mobile-warning-text strong { color: var(--amber); }
.mobile-warning-close {
  background: var(--control);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 12px;
  transition: all 0.18s;
  white-space: nowrap;
}
.mobile-warning-close:hover { background: var(--amber-faint); border-color: var(--amber-dim); color: var(--amber); }

/* ── HEADER ─────────────────────────────────────────────────── */
.studio-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  z-index: 100;
  background: rgba(13,17,23,0.88);
  backdrop-filter: saturate(1.3) blur(14px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}
.header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.header-back {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 600;
  transition: color 0.18s;
}
.header-back:hover { color: var(--amber); }
.header-back-arrow { font-size: 14px; }
.header-brand {
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber);
  opacity: 0.85;
}
.header-controls {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Mute-Button */
#mute-btn {
  background: var(--control);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  transition: all 0.18s;
  font-family: var(--font-ui);
}
#mute-btn:hover { background: var(--amber-faint); border-color: var(--amber-dim); color: var(--amber); }
#mute-btn.muted { border-color: var(--red); color: var(--red); background: var(--red-dim); }

/* ── HERO ────────────────────────────────────────────────────── */
.studio-hero {
  margin-top: var(--header-h);
  padding: 56px 24px 40px;
  max-width: var(--maxw);
  margin-left: auto;
  margin-right: auto;
  margin-top: calc(var(--header-h) + 1px);
}
.hero-kicker {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-kicker::before {
  content: '';
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--amber);
  border-radius: 1px;
}
.hero-title {
  font-family: var(--font-label);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--text);
  margin-bottom: 16px;
}
.hero-title span { color: var(--amber); }
.hero-sub {
  font-size: 15px;
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.65;
  margin-bottom: 8px;
}
.hero-hint {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  margin-top: 6px;
}
.hero-hint::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  animation: pulse-led 2.4s ease-in-out infinite;
}
@keyframes pulse-led {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

/* ── WRAP / LAYOUT ───────────────────────────────────────────── */
.studio-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* Studio-Konsole: 2-Spalten-Grid mit Rack-Feeling */
.studio-console {
  display: grid;
  grid-template-columns: 1fr 330px;
  gap: 20px;
  align-items: start;
  /* Subtle rack-unit background */
  background: linear-gradient(180deg,
    rgba(201,168,76,0.02) 0%,
    transparent 60px);
  border-radius: var(--radius-xl);
  padding: 0;
}

/* Rechte Ergebnis-Spalte: sticky */
.console-right {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  align-self: start;
}

/* ── SECTION LABELS ──────────────────────────────────────────── */
.section-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  margin-top: 24px;
}
.section-strip:first-child { margin-top: 0; }
.section-strip-label {
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber);
  white-space: nowrap;
}
.section-strip-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--amber-dim), transparent);
}

/* ── STUDIO PANEL ────────────────────────────────────────────── */
.studio-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--amber-dim);
  border-radius: var(--radius-lg);
  padding: 18px 18px 16px;
  position: relative;
  box-shadow:
    0 2px 12px rgba(0,0,0,0.35),
    inset 0 1px 0 rgba(255,255,255,0.03);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.studio-panel:hover {
  border-color: rgba(201,168,76,0.25);
  box-shadow:
    0 4px 18px rgba(0,0,0,0.4),
    inset 0 1px 0 rgba(255,255,255,0.04);
}

/* Panel-Header mit LED-Indikator */
.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.panel-led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px var(--green-glow);
  flex-shrink: 0;
}
.panel-label {
  font-family: var(--font-label);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  flex: 1;
}
.panel-tooltip-icon {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--control);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: var(--text-dim);
  cursor: help;
  transition: all 0.15s;
  flex-shrink: 0;
}
.panel-tooltip-icon:hover { border-color: var(--amber-dim); color: var(--amber); }

/* ── CONTROL ROWS ────────────────────────────────────────────── */
.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}
.control-row.single { grid-template-columns: 1fr; }
.control-row.triple { grid-template-columns: 1fr 1fr 1fr; }
.control-row:last-child { margin-bottom: 0; }

/* ── CUSTOM SLIDER ───────────────────────────────────────────── */
.slider-block { display: flex; flex-direction: column; gap: 8px; }
.slider-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.slider-value-display {
  font-family: var(--font-label);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber);
  line-height: 1;
}
.slider-value-display.sm { font-size: 17px; }
.slider-hint {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.slider-wrapper { position: relative; }

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 5px;
  border-radius: 3px;
  background: linear-gradient(
    to right,
    var(--amber) var(--pct, 0%),
    var(--control) var(--pct, 0%)
  );
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.55);
  cursor: pointer;
  outline: none;
  display: block;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: radial-gradient(circle at 38% 35%, #f0d880, var(--amber) 60%, #8a6028);
  border: 2px solid rgba(255,255,255,0.12);
  box-shadow:
    0 0 10px var(--amber-glow),
    0 2px 7px rgba(0,0,0,0.65),
    inset 0 1px 2px rgba(255,255,255,0.18);
  cursor: grab;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
input[type="range"]::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.18);
  box-shadow:
    0 0 18px rgba(201,168,76,0.55),
    0 2px 8px rgba(0,0,0,0.7),
    inset 0 1px 2px rgba(255,255,255,0.22);
}
input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--amber);
  border: 2px solid rgba(255,255,255,0.12);
  box-shadow: 0 0 10px var(--amber-glow), 0 2px 7px rgba(0,0,0,0.65);
  cursor: grab;
}
input[type="range"]:focus { outline: none; }
input[type="range"]:focus::-webkit-slider-thumb {
  box-shadow:
    0 0 0 3px rgba(201,168,76,0.22),
    0 0 10px var(--amber-glow),
    0 2px 7px rgba(0,0,0,0.65);
}

/* Direkteingabe neben Slider */
.slider-direct-input {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font-label);
  font-size: 14px;
  font-weight: 600;
  padding: 4px 8px;
  width: 72px;
  text-align: right;
  transition: border-color 0.18s;
}
.slider-direct-input:focus { outline: none; border-color: var(--amber-dim); }
.slider-direct-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.slider-direct-label {
  font-size: 11px;
  color: var(--text-dim);
  flex: 1;
}

/* ── TOGGLE-GRUPPE (Methode, Feldzeit, MwSt) ─────────────────── */
.toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.toggle-btn {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  font-family: var(--font-label);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.10em;
  padding: 6px 14px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
  position: relative;
}
.toggle-btn:hover {
  background: var(--amber-faint);
  border-color: var(--amber-dim);
  color: var(--amber-light);
}
.toggle-btn.active {
  background: var(--amber);
  border-color: var(--amber);
  color: #0d1117;
  box-shadow: 0 0 14px var(--amber-glow), 0 2px 6px rgba(0,0,0,0.4);
}

/* Methoden-Beschreibung */
#method-desc {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 9px;
  letter-spacing: 0.02em;
  min-height: 16px;
  transition: opacity 0.2s;
}

/* Incentive-Presets */
.preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 8px;
}
.preset-btn {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  cursor: pointer;
  transition: all 0.15s;
}
.preset-btn:hover { border-color: var(--amber-dim); color: var(--amber); background: var(--amber-faint); }

/* Inzidenz-Kontaktinfo */
#incidence-contacts {
  font-size: 10.5px;
  color: var(--text-dim);
  margin-top: 6px;
  font-family: var(--font-label);
  letter-spacing: 0.04em;
}

/* ── ERGEBNIS-PANEL (rechte Spalte) ─────────────────────────── */
.results-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--amber-dim);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.results-head {
  background: var(--panel);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.results-head-label {
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
  flex: 1;
}
.results-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 7px var(--green-glow);
  animation: pulse-led 1.8s ease-in-out infinite;
}

.results-body { padding: 14px 16px 16px; }

/* Einzelne Zeilen im Ergebnisbereich */
.r-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 0;
}
.r-label {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}
.r-value {
  font-family: var(--font-label);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text);
  text-align: right;
  letter-spacing: 0.03em;
  min-width: 80px;
}
.r-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}
.r-divider.strong {
  height: 2px;
  background: linear-gradient(to right, var(--amber-dim), transparent);
}

/* Zwischensumme */
.r-line.subtotal .r-label { color: var(--text); font-weight: 600; }
.r-line.subtotal .r-value { color: var(--amber-light); }

/* Rabatt */
.r-line.discount-line .r-value { color: var(--green); }

/* Brutto-Gesamtbetrag (sehr prominent) */
.r-brutto-block {
  background: linear-gradient(135deg,
    rgba(201,168,76,0.10) 0%,
    rgba(201,168,76,0.04) 50%,
    rgba(0,0,0,0.1) 100%);
  border: 1px solid var(--amber-dim);
  border-radius: var(--radius-lg);
  padding: 16px 16px 14px;
  margin-top: 12px;
  text-align: center;
  box-shadow:
    0 0 24px rgba(201,168,76,0.08),
    inset 0 1px 0 rgba(201,168,76,0.12);
  position: relative;
  overflow: hidden;
}
.r-brutto-block::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--amber), transparent);
  opacity: 0.6;
}
.r-brutto-label {
  font-family: var(--font-label);
  font-size: 9px;
  letter-spacing: 0.30em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 6px;
  opacity: 0.8;
}
.r-brutto-value {
  font-family: var(--font-label);
  font-size: 36px;
  font-weight: 700;
  color: var(--amber-light);
  letter-spacing: 0.02em;
  line-height: 1;
  text-shadow:
    0 0 30px rgba(201,168,76,0.45),
    0 0 60px rgba(201,168,76,0.20);
  animation: brutto-breathe 3.5s ease-in-out infinite;
}
@keyframes brutto-breathe {
  0%, 100% { text-shadow: 0 0 28px rgba(201,168,76,0.40), 0 0 55px rgba(201,168,76,0.18); }
  50%       { text-shadow: 0 0 40px rgba(201,168,76,0.60), 0 0 80px rgba(201,168,76,0.28); }
}

/* Sekundäre KPIs */
.r-kpi-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.r-kpi {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 10px 9px;
  text-align: center;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.02);
  transition: border-color 0.18s;
}
.r-kpi:hover { border-color: rgba(201,168,76,0.2); }
.r-kpi-label {
  font-size: 9px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.r-kpi-value {
  font-family: var(--font-label);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* Flash-Animation bei Ergebnis-Aktualisierung */
@keyframes results-flash-anim {
  0% { box-shadow: 0 0 0 0 rgba(201,168,76,0); }
  40% { box-shadow: 0 0 0 4px rgba(201,168,76,0.22); }
  100% { box-shadow: 0 0 0 0 rgba(201,168,76,0); }
}
.results-flash { animation: results-flash-anim 0.42s ease-out; }

/* ── ZUSATZLEISTUNGEN ────────────────────────────────────────── */
.additionals-section { margin-top: 28px; }
.additionals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* Zusatzleistungs-Karte */
.zl-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.22s;
}
.zl-card.active-card {
  border-color: var(--amber-dim);
  background: linear-gradient(135deg, rgba(201,168,76,0.04) 0%, var(--surface) 100%);
}

/* Karten-Header */
.zl-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  cursor: pointer;
  user-select: none;
}
.zl-led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--border);
  transition: background 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}
.zl-led.active {
  background: var(--green);
  box-shadow: 0 0 7px var(--green-glow);
}
.zl-card-label {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex: 1;
  line-height: 1.3;
  transition: color 0.2s;
}
.zl-card.active-card .zl-card-label { color: var(--amber-light); }

/* Toggle-Switch */
.zl-toggle-wrap { position: relative; flex-shrink: 0; }
.zl-toggle {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.zl-toggle-track {
  display: block;
  width: 34px;
  height: 19px;
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.22s, border-color 0.22s;
  position: relative;
}
.zl-toggle:checked + .zl-toggle-track {
  background: var(--amber-dim);
  border-color: var(--amber);
}
.zl-toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: transform 0.22s cubic-bezier(0.34,1.56,0.64,1), background 0.22s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.zl-toggle:checked + .zl-toggle-track::after {
  transform: translateX(15px);
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber-glow), 0 1px 4px rgba(0,0,0,0.5);
}

/* Zusatzleistungs-Detail-Panel */
.zl-detail {
  border-top: 1px solid var(--border-dim);
  padding: 12px 14px 14px;
  background: var(--panel);
}

/* Sub-Toggle-Gruppe (kleiner als Haupt-Toggles) */
.sub-toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 6px;
}
.sub-toggle-btn {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-dim);
  font-family: var(--font-label);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 4px 11px;
  cursor: pointer;
  transition: all 0.16s;
}
.sub-toggle-btn:hover { border-color: var(--amber-dim); color: var(--amber); }
.sub-toggle-btn.active {
  background: var(--amber-faint);
  border-color: var(--amber-dim);
  color: var(--amber-light);
}
.zl-detail-label {
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 5px;
  margin-top: 8px;
}
.zl-detail-label:first-child { margin-top: 0; }

/* Zusatzleistungs-Zähler-Input */
.zl-count-input {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  padding: 5px 10px;
  width: 70px;
  text-align: center;
  transition: border-color 0.18s;
}
.zl-count-input:focus { outline: none; border-color: var(--amber-dim); }

/* ── EXPERTENMODUS ───────────────────────────────────────────── */
.expert-section { margin-top: 14px; }
.expert-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 13px 18px;
  color: var(--text-muted);
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: all 0.2s;
  gap: 10px;
  cursor: pointer;
}
.expert-trigger:hover { border-color: var(--amber-dim); color: var(--amber); background: var(--amber-faint); }
.expert-trigger.open { border-color: var(--amber-dim); color: var(--amber); border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
.expert-trigger-left { display: flex; align-items: center; gap: 10px; }
.expert-trigger-led {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--text-dim);
  transition: background 0.2s, box-shadow 0.2s;
}
.expert-trigger.open .expert-trigger-led {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber-glow);
}
#expert-icon { font-size: 10px; }
.expert-body {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-bottom-left-radius: var(--radius-lg);
  border-bottom-right-radius: var(--radius-lg);
  padding: 20px 18px;
}
.expert-note {
  font-size: 11.5px;
  color: var(--text-dim);
  margin-bottom: 18px;
  line-height: 1.55;
  border-left: 2px solid var(--amber-dim);
  padding-left: 10px;
}

/* ── ANGEBOTSBEREICH ─────────────────────────────────────────── */
.offer-section {
  margin-top: 40px;
  padding-bottom: 40px;
}
.offer-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
}
.offer-controls-label {
  flex: 1;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
/* Custom-Data-Toggle (gleiche Mechanik wie zl-toggle) */
#custom-data-toggle {
  position: absolute; opacity: 0; width: 0; height: 0;
}
.custom-toggle-track {
  display: block;
  width: 40px; height: 22px;
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: background 0.22s, border-color 0.22s;
  position: relative;
}
#custom-data-toggle:checked + .custom-toggle-track {
  background: var(--amber-dim);
  border-color: var(--amber);
}
.custom-toggle-track::after {
  content: '';
  position: absolute; top: 3px; left: 3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: transform 0.22s cubic-bezier(0.34,1.56,0.64,1), background 0.22s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
#custom-data-toggle:checked + .custom-toggle-track::after {
  transform: translateX(18px);
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber-glow), 0 1px 4px rgba(0,0,0,0.5);
}

/* Kunden-Formular */
.customer-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 2px solid var(--amber-dim);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 16px;
}
.customer-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-field { display: flex; flex-direction: column; gap: 5px; }
.form-field.full { grid-column: 1 / -1; }
.form-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.form-input {
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  padding: 8px 12px;
  transition: border-color 0.18s;
  width: 100%;
}
.form-input::placeholder { color: var(--text-dim); }
.form-input:focus { outline: none; border-color: var(--amber-dim); }

/* Angebotsbrief-Container */
.offer-letter-wrap {
  background: #141a22;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.offer-letter-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.offer-letter-toolbar-dot {
  width: 10px; height: 10px; border-radius: 50%;
}
.offer-letter-toolbar-dot:nth-child(1) { background: #f85149; }
.offer-letter-toolbar-dot:nth-child(2) { background: #d29922; }
.offer-letter-toolbar-dot:nth-child(3) { background: #3fb950; }
.offer-letter-toolbar-title {
  flex: 1;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-align: center;
  margin-left: -48px;
}
#offer-letter-body { padding: 40px 44px; }

/* Angebotsbrief-Inhalt-Styles */
.offer-letter-inner { max-width: 660px; margin: 0 auto; }
.offer-sender {
  display: flex;
  flex-direction: column;
  margin-bottom: 28px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.offer-sender-name {
  font-family: var(--font-label);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--amber);
}
.offer-sender-sub {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.03em;
  margin-top: 3px;
}

/* Empfänger + Meta nebeneinander */
.offer-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.offer-recipient { line-height: 1.7; flex: 1; }
.offer-recipient-name { font-weight: 600; color: var(--text); font-size: 14.5px; }
.offer-recipient > div { color: var(--text-muted); font-size: 13.5px; }
.offer-contact-line { color: var(--text-dim); font-size: 12.5px; margin-top: 3px; }
.offer-meta-block {
  display: flex;
  flex-direction: column;
  gap: 5px;
  text-align: right;
}
.offer-meta-row {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 1px;
}
.offer-meta-label {
  font-size: 9px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-dim);
}
.offer-meta-mono {
  font-family: 'Courier New', monospace;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}
.offer-meta-block > .offer-meta-row:first-child span:last-child {
  font-size: 13px;
  color: var(--text-muted);
}

/* Projektumfang-Grid */
.offer-scope-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 4px;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
}
.offer-scope-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 7px 12px;
  font-size: 13.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-dim);
}
.offer-scope-row:last-child { border-bottom: none; }
.offer-scope-row:nth-child(odd) { background: rgba(255,255,255,0.015); }
.offer-scope-label {
  min-width: 155px;
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-dim);
  flex-shrink: 0;
}
.offer-scope-note { font-size: 11.5px; color: var(--text-dim); }

/* Disclaimer-Inline im Preisblock */
.offer-disclaimer-inline {
  font-size: 11px;
  color: var(--text-dim);
  line-height: 1.55;
  margin-top: 8px;
  padding: 8px 10px;
  border-left: 2px solid var(--border);
  font-style: italic;
}
.offer-subject {
  font-family: var(--font-label);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 22px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--amber-dim);
  letter-spacing: 0.03em;
}
.offer-salutation { margin-bottom: 12px; color: var(--text); font-size: 14.5px; }
.offer-body-text {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.72;
  margin-bottom: 14px;
}
.offer-body-text em, .offer-body-text strong { color: var(--text); }
.offer-section-label {
  font-family: var(--font-label);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 8px;
  margin-top: 20px;
}
.offer-services { display: flex; flex-direction: column; gap: 5px; margin-bottom: 4px; }
.offer-service-line {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13.5px;
  color: var(--text-muted);
}
.offer-dot { color: var(--amber-dim); font-size: 10px; margin-top: 3px; }
.offer-additionals {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 4px;
}
.offer-ad-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  padding: 7px 12px;
  border-bottom: 1px solid var(--border-dim);
}
.offer-ad-line:last-child { border-bottom: none; }
.offer-ad-line:nth-child(odd) { background: rgba(255,255,255,0.015); }
.offer-ad-line span:last-child {
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.offer-ad-none { font-style: italic; color: var(--text-dim); padding: 8px 12px; }

/* Preisblock im Angebotsbrief */
.offer-price-block {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.offer-price-line {
  display: flex;
  justify-content: space-between;
  font-size: 13.5px;
  color: var(--text-muted);
}
.offer-price-line.discount-line span:last-child { color: var(--green); }
.offer-price-line.offer-price-total {
  font-weight: 700;
  font-size: 15px;
  color: var(--amber-light);
  padding-top: 8px;
  border-top: 1px solid var(--amber-dim);
  margin-top: 4px;
}
.offer-price-note { font-size: 11.5px; color: var(--text-dim); margin-top: 6px; }
.offer-closing-text { margin-top: 18px; }
.offer-valediction {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.offer-valediction p { font-size: 14px; color: var(--text-muted); margin-bottom: 12px; }
.offer-signature { line-height: 1.55; }
.offer-signature strong { color: var(--text); font-size: 15px; }
.offer-signature-sub { font-size: 12px; color: var(--text-dim); }
.offer-footer-note {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 1px solid var(--border-dim);
  font-size: 10px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}

/* ── COPY/EXPORT ─────────────────────────────────────────────── */
.export-section { margin-top: 24px; }
.export-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.export-btns {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}
.export-btn {
  background: var(--control);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-ui);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.export-btn:hover { background: var(--amber-faint); border-color: var(--amber-dim); color: var(--amber); }
.export-btn.primary {
  background: var(--amber-faint);
  border-color: var(--amber-dim);
  color: var(--amber-light);
}
.export-btn.primary:hover { background: rgba(201,168,76,0.14); border-color: var(--amber); }
.export-btn.copy-success {
  background: var(--green-dim);
  border-color: var(--green);
  color: var(--green);
}
.export-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.55;
}

/* ── TOOLTIP ─────────────────────────────────────────────────── */
.studio-tooltip {
  position: absolute;
  background: var(--control);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 11.5px;
  line-height: 1.4;
  max-width: 230px;
  padding: 7px 11px;
  pointer-events: none;
  z-index: 500;
  opacity: 0;
  transform: translateY(3px);
  transition: opacity 0.15s, transform 0.15s;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}
.studio-tooltip.visible { opacity: 1; transform: translateY(0); }

/* ── FOOTER ──────────────────────────────────────────────────── */
.studio-footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 22px 24px;
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.06em;
}
.studio-footer a { color: var(--amber); opacity: 0.7; }
.studio-footer a:hover { opacity: 1; }

/* ── RESPONSIVE ──────────────────────────────────────────────── */
@media (max-width: 1060px) {
  .studio-console { grid-template-columns: 1fr 290px; }
}
@media (max-width: 900px) {
  .studio-console {
    grid-template-columns: 1fr;
  }
  .console-right {
    position: static;
    order: -1; /* Ergebnisse oben auf Mobile */
  }
  .control-row { grid-template-columns: 1fr; }
  .additionals-grid { grid-template-columns: 1fr; }
  #offer-letter-body { padding: 24px 20px; }
  .customer-form-grid { grid-template-columns: 1fr; }
  .export-btns { flex-direction: column; }
  .r-kpi-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .studio-wrap { padding: 0 14px 60px; }
  .hero-title { font-size: 1.7rem; }
  .control-row.triple { grid-template-columns: 1fr 1fr; }
  .toggle-group { gap: 5px; }
  .toggle-btn { padding: 5px 11px; font-size: 10.5px; }
}

/* ── DISCLAIMER BLOCK ────────────────────────────────────────── */
.disclaimer-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--amber-dim);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: 32px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.disclaimer-icon {
  font-size: 18px;
  opacity: 0.75;
  flex-shrink: 0;
  margin-top: 1px;
}
.disclaimer-content { flex: 1; }
.disclaimer-title {
  font-family: var(--font-label);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.20em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 5px;
}
.disclaimer-text {
  font-size: 12.5px;
  color: var(--text-dim);
  line-height: 1.65;
}
.disclaimer-text strong { color: var(--text-muted); font-weight: 600; }

/* ── RESULTS PANEL UPGRADE ───────────────────────────────────── */
.results-panel {
  box-shadow:
    0 4px 24px rgba(0,0,0,0.45),
    0 0 0 1px rgba(201,168,76,0.06);
}
.results-head {
  background: linear-gradient(135deg, #1c2128, #21262d);
}

/* Zebrierung der Ergebniszeilen */
.results-body .r-line:nth-child(odd) {
  background: rgba(255,255,255,0.012);
  border-radius: 4px;
  margin: 0 -4px;
  padding-left: 4px;
  padding-right: 4px;
}

/* border-top-slim helper für Angebotsbrief */
.border-top-slim {
  border-top: 1px solid var(--border-dim);
  padding-top: 8px;
  margin-top: 4px;
}

/* ── UTILITIES ───────────────────────────────────────────────── */
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
}