/* Premium Konfigurator Styles
 * Konfiguratoren für Förder-Rechner, EEG-Slider, Bundle, Komponenten, Bento
 * v=20260429b
 *
 * Farb-Tokens kommen aus premium-tokens.css (Build-Agent A):
 *   --pt-sun-gold      #FFB627
 *   --pt-energy-cyan   #22D3EE
 *   --pt-bio-green     #34D399
 *   --pt-bg            #0B0F14
 * Fallbacks vorhanden, falls premium-tokens.css noch nicht geladen.
 */

:root {
  --kf-sun-gold: var(--pt-sun-gold, #FFB627);
  --kf-cyan: var(--pt-energy-cyan, #22D3EE);
  --kf-green: var(--pt-bio-green, #34D399);
  --kf-bg: var(--pt-bg, #0B0F14);
  --kf-bg-2: #11161D;
  --kf-card: rgba(255, 255, 255, 0.04);
  --kf-card-strong: rgba(255, 255, 255, 0.06);
  --kf-border: rgba(255, 255, 255, 0.08);
  --kf-border-strong: rgba(255, 255, 255, 0.14);
  --kf-text: #E8F0F8;
  --kf-text-mute: rgba(232, 240, 248, 0.62);
  --kf-radius: 18px;
  --kf-radius-lg: 22px;
  --kf-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --kf-shadow-glow: 0 0 0 1px rgba(255, 182, 39, 0.3), 0 18px 40px rgba(255, 182, 39, 0.18);
}

/* =========================================================
   1) Konfigurator-Wrapper (gemeinsam für alle Rechner)
   ========================================================= */
.kf-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(1.4rem, 2.5vw, 2.4rem);
  background: linear-gradient(180deg, var(--kf-card-strong), var(--kf-card));
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius-lg);
  box-shadow: var(--kf-shadow);
  color: var(--kf-text);
}

.kf-shell + .kf-shell {
  margin-top: 1.4rem;
}

.kf-shell__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.4rem;
  border-bottom: 1px solid var(--kf-border);
  padding-bottom: 0.9rem;
}

.kf-shell__title {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  font-weight: 800;
  margin: 0;
  letter-spacing: -0.01em;
  color: #fff;
}

.kf-shell__sub {
  font-size: 0.84rem;
  color: var(--kf-text-mute);
  margin: 0;
}

.kf-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(1.2rem, 2.5vw, 2rem);
  align-items: stretch;
}

@media (max-width: 720px) {
  .kf-grid { grid-template-columns: 1fr; }
}

.kf-controls,
.kf-result {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* =========================================================
   2) Inputs: Slider, Toggle, Switch
   ========================================================= */
.kf-field {
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius);
  padding: 1rem 1.1rem;
}

.kf-field__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--kf-text);
  margin-bottom: 0.6rem;
}

.kf-field__value {
  font-size: 1rem;
  font-weight: 800;
  color: var(--kf-sun-gold);
  font-variant-numeric: tabular-nums;
  text-transform: none;
  letter-spacing: 0;
}

.kf-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    var(--kf-sun-gold) 0%,
    var(--kf-sun-gold) var(--kf-pos, 50%),
    rgba(255, 255, 255, 0.12) var(--kf-pos, 50%),
    rgba(255, 255, 255, 0.12) 100%
  );
  outline: none;
  cursor: pointer;
}
.kf-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--kf-sun-gold);
  box-shadow: 0 4px 14px rgba(255, 182, 39, 0.45);
  cursor: grab;
  transition: transform 0.12s ease;
}
.kf-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--kf-sun-gold);
  box-shadow: 0 4px 14px rgba(255, 182, 39, 0.45);
  cursor: grab;
}
.kf-slider:focus-visible::-webkit-slider-thumb { transform: scale(1.12); }
.kf-slider:focus-visible::-moz-range-thumb { transform: scale(1.12); }

/* Toggle Group (Volleinspeisung/Überschuss usw.) */
.kf-toggle-group {
  display: inline-flex;
  width: 100%;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--kf-border);
  border-radius: 999px;
  padding: 4px;
  gap: 4px;
}
.kf-toggle-group__btn {
  flex: 1;
  padding: 0.6rem 0.9rem;
  border: 0;
  background: transparent;
  color: var(--kf-text-mute);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, transform 0.15s ease;
}
.kf-toggle-group__btn[aria-pressed="true"] {
  background: var(--kf-sun-gold);
  color: #1a1206;
  box-shadow: 0 6px 14px rgba(255, 182, 39, 0.32);
}
.kf-toggle-group__btn:focus-visible {
  outline: 2px solid var(--kf-sun-gold);
  outline-offset: 2px;
}

/* Boolean switch (Heizung > 20 Jahre, Einkommen unter 40k …) */
.kf-switch {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius);
  padding: 0.9rem 1.1rem;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.kf-switch:hover { border-color: var(--kf-border-strong); }
.kf-switch__text { display: flex; flex-direction: column; gap: 0.15rem; }
.kf-switch__title { font-weight: 700; font-size: 0.92rem; color: var(--kf-text); }
.kf-switch__hint { font-size: 0.76rem; color: var(--kf-text-mute); line-height: 1.4; }
.kf-switch input { position: absolute; opacity: 0; pointer-events: none; }
.kf-switch__track {
  position: relative;
  flex: 0 0 44px;
  width: 44px;
  height: 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  transition: background 0.18s ease;
}
.kf-switch__track::after {
  content: "";
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: #fff;
  transition: transform 0.18s ease;
}
.kf-switch input:checked + .kf-switch__track {
  background: var(--kf-sun-gold);
}
.kf-switch input:checked + .kf-switch__track::after {
  transform: translateX(20px);
}
.kf-switch input:focus-visible + .kf-switch__track {
  outline: 2px solid var(--kf-sun-gold);
  outline-offset: 2px;
}

/* =========================================================
   3) Result-Display
   ========================================================= */
.kf-result {
  background: linear-gradient(180deg, rgba(255, 182, 39, 0.06), rgba(34, 211, 238, 0.04));
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius);
  padding: 1.4rem;
  position: relative;
  overflow: hidden;
}
.kf-result::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(255,182,39,0.12), transparent 60%);
  pointer-events: none;
}
.kf-result__big {
  font-size: clamp(2.4rem, 7vw, 3.6rem);
  font-weight: 900;
  color: var(--kf-sun-gold);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  margin: 0;
}
.kf-result__big-unit {
  font-size: 0.45em;
  color: var(--kf-text-mute);
  font-weight: 700;
  margin-left: 0.25rem;
  letter-spacing: 0;
}
.kf-result__caption {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kf-text-mute);
  margin: 0 0 0.4rem;
  font-weight: 700;
}
.kf-result__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.92rem;
  color: var(--kf-text);
  padding: 0.55rem 0;
  border-top: 1px dashed var(--kf-border);
}
.kf-result__row:first-of-type { border-top: 0; padding-top: 0; }
.kf-result__row strong {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #fff;
}
.kf-result__row--accent strong { color: var(--kf-green); }

.kf-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.8rem;
}
.kf-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.32rem 0.7rem;
  font-size: 0.74rem;
  font-weight: 700;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.12);
  color: var(--kf-green);
  border: 1px solid rgba(52, 211, 153, 0.25);
}
.kf-pill--gold {
  background: rgba(255, 182, 39, 0.12);
  color: var(--kf-sun-gold);
  border-color: rgba(255, 182, 39, 0.32);
}
.kf-pill--cyan {
  background: rgba(34, 211, 238, 0.1);
  color: var(--kf-cyan);
  border-color: rgba(34, 211, 238, 0.28);
}
.kf-pill--cap {
  background: rgba(255, 255, 255, 0.06);
  color: var(--kf-text-mute);
  border-color: var(--kf-border-strong);
}

.kf-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.2rem;
  padding: 0.95rem 1.6rem;
  background: var(--kf-sun-gold);
  color: #1a1206;
  font-weight: 800;
  font-size: 0.95rem;
  border-radius: 999px;
  text-decoration: none;
  border: 0;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(255, 182, 39, 0.32);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.kf-cta:hover, .kf-cta:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(255, 182, 39, 0.45);
  outline: none;
}

/* =========================================================
   4) Bundle Toggle Cards
   ========================================================= */
.kf-bundle-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}
@media (max-width: 720px) {
  .kf-bundle-grid { grid-template-columns: 1fr; }
}

.kf-bundle-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.3rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius);
  cursor: pointer;
  transition: border-color 0.18s ease, transform 0.18s ease, background 0.18s ease;
  text-align: left;
  color: inherit;
  font: inherit;
  width: 100%;
}
.kf-bundle-card:hover { border-color: var(--kf-border-strong); transform: translateY(-2px); }
.kf-bundle-card[aria-pressed="true"] {
  border-color: var(--kf-sun-gold);
  background: linear-gradient(180deg, rgba(255,182,39,0.1), rgba(255,182,39,0.02));
  box-shadow: var(--kf-shadow-glow);
}
.kf-bundle-card__icon { font-size: 1.7rem; line-height: 1; }
.kf-bundle-card__title { font-size: 1rem; font-weight: 800; color: #fff; }
.kf-bundle-card__sub { font-size: 0.82rem; color: var(--kf-text-mute); line-height: 1.4; }
.kf-bundle-card__price {
  margin-top: auto;
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--kf-sun-gold);
  font-variant-numeric: tabular-nums;
}
.kf-bundle-card__check {
  position: absolute;
  top: 0.8rem;
  right: 0.8rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--kf-border-strong);
  display: grid;
  place-items: center;
  font-size: 0.72rem;
  color: transparent;
  transition: all 0.15s ease;
}
.kf-bundle-card[aria-pressed="true"] .kf-bundle-card__check {
  background: var(--kf-sun-gold);
  border-color: var(--kf-sun-gold);
  color: #1a1206;
}

/* =========================================================
   5) Komponenten-Katalog (komponenten.html)
   ========================================================= */
.kk-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  background: rgba(0, 0, 0, 0.3);
  padding: 6px;
  border-radius: 999px;
  border: 1px solid var(--kf-border);
  margin: 0 auto 2rem;
  width: max-content;
  max-width: 100%;
}
.kk-tab {
  background: transparent;
  border: 0;
  color: var(--kf-text-mute);
  padding: 0.55rem 1.1rem;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.kk-tab[aria-selected="true"] {
  background: var(--kf-sun-gold);
  color: #1a1206;
}
.kk-tab:focus-visible {
  outline: 2px solid var(--kf-sun-gold);
  outline-offset: 2px;
}

.kk-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
}

.kk-card {
  display: flex;
  flex-direction: column;
  background: var(--kf-card-strong);
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius);
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.kk-card:hover {
  transform: translateY(-4px);
  border-color: var(--kf-sun-gold);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}

.kk-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,182,39,0.18), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(34,211,238,0.12), transparent 60%),
    linear-gradient(135deg, #0E1520, #0B0F14);
  display: grid;
  place-items: center;
  font-size: 2.4rem;
  color: rgba(255,255,255,0.4);
  border-bottom: 1px solid var(--kf-border);
}
.kk-card__media[data-img] {
  background-size: cover;
  background-position: center;
}
.kk-card__badge {
  position: absolute;
  top: 0.7rem;
  left: 0.7rem;
  padding: 0.25rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: 999px;
  background: rgba(52, 211, 153, 0.15);
  color: var(--kf-green);
  border: 1px solid rgba(52, 211, 153, 0.35);
}

.kk-card__body { padding: 1.1rem 1.2rem 1.3rem; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.kk-card__brand {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kf-cyan);
  font-weight: 700;
}
.kk-card__title { font-size: 1.05rem; font-weight: 800; color: #fff; line-height: 1.3; margin: 0; }
.kk-card__desc { font-size: 0.84rem; color: var(--kf-text-mute); line-height: 1.55; margin: 0; }

.kk-specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 0.9rem;
}
.kk-specs li {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  font-size: 0.76rem;
}
.kk-specs li span:first-child {
  color: var(--kf-text-mute);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-weight: 700;
}
.kk-specs li span:last-child {
  color: #fff;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.kk-card__actions {
  margin-top: auto;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.kk-btn {
  padding: 0.5rem 0.9rem;
  font-size: 0.78rem;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--kf-border-strong);
  background: transparent;
  color: var(--kf-text);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}
.kk-btn:hover { border-color: var(--kf-sun-gold); color: var(--kf-sun-gold); }
.kk-btn--primary {
  background: var(--kf-sun-gold);
  color: #1a1206;
  border-color: var(--kf-sun-gold);
}
.kk-btn--primary:hover { color: #1a1206; transform: translateY(-1px); }

/* =========================================================
   6) Bento Service Hub
   ========================================================= */
.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(180px, auto);
  gap: 1rem;
  margin: 0 auto;
}
@media (max-width: 860px) {
  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
}

.bento-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.3rem 1.5rem;
  background: var(--kf-card-strong);
  border: 1px solid var(--kf-border);
  border-radius: var(--kf-radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
  isolation: isolate;
  min-height: 200px;
}
.bento-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 0%, rgba(255,182,39,0.08), transparent 60%);
  z-index: -1;
}
.bento-tile:hover, .bento-tile:focus-visible {
  transform: translateY(-3px);
  border-color: var(--kf-sun-gold);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  outline: none;
}

.bento-tile__icon { font-size: 2rem; margin-bottom: 0.6rem; }
.bento-tile__kicker {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--kf-cyan);
  font-weight: 700;
  margin-bottom: 0.3rem;
}
.bento-tile__title {
  font-size: 1.2rem;
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.35rem;
  line-height: 1.2;
}
.bento-tile__sub {
  font-size: 0.85rem;
  color: var(--kf-text-mute);
  line-height: 1.5;
  margin: 0;
}
.bento-tile__arrow {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  font-size: 1.1rem;
  opacity: 0.5;
  transition: opacity 0.18s, transform 0.18s;
}
.bento-tile:hover .bento-tile__arrow {
  opacity: 1;
  transform: translateX(4px);
}

.bento-tile--hero {
  grid-column: span 7;
  grid-row: span 2;
  min-height: 380px;
  background:
    radial-gradient(ellipse at top right, rgba(255,182,39,0.18), transparent 60%),
    linear-gradient(135deg, #0E1726, #0B0F14);
}
.bento-tile--solar { grid-column: span 5; grid-row: span 1; }
.bento-tile--klima { grid-column: span 5; grid-row: span 1; }
.bento-tile--service { grid-column: span 4; }
.bento-tile--monitor { grid-column: span 4; }
.bento-tile--foerder { grid-column: span 4; }

@media (max-width: 860px) {
  .bento-tile,
  .bento-tile--hero,
  .bento-tile--solar,
  .bento-tile--klima,
  .bento-tile--service,
  .bento-tile--monitor,
  .bento-tile--foerder {
    grid-column: 1 / -1;
    grid-row: auto;
    min-height: 160px;
  }
}

/* =========================================================
   7) Reduced motion respect
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .kf-cta,
  .kk-card,
  .bento-tile,
  .kf-bundle-card,
  .kf-toggle-group__btn,
  .bento-tile__arrow {
    transition: none !important;
  }
  .kf-cta:hover,
  .kk-card:hover,
  .bento-tile:hover,
  .kf-bundle-card:hover {
    transform: none !important;
  }
}

/* =========================================================
   8) Mobile feinschliff (<= 360px)
   ========================================================= */
@media (max-width: 380px) {
  .kf-shell { padding: 1rem; border-radius: 14px; }
  .kf-result__big { font-size: 2.4rem; }
  .kf-field { padding: 0.85rem 0.95rem; }
  .kk-specs { grid-template-columns: 1fr; }
  .kf-toggle-group__btn { font-size: 0.74rem; padding: 0.55rem 0.5rem; }
}