:root {
  --mbf-primary: #0f4f93;
  --mbf-accent: #1d9bf0;
  --mbf-bg: rgba(255, 255, 255, .96);
  --mbf-surface: rgba(248, 250, 252, .96);
  --mbf-text: #111827;
  --mbf-muted: #526176;
  --mbf-border: rgba(100, 116, 139, .28);
  --mbf-shadow: 0 28px 80px rgba(15, 23, 42, .24);
  --mbf-soft-shadow: 0 12px 30px rgba(15, 23, 42, .08);
  --mbf-radius: 26px;
  --mbf-z: 2147483000;
}

.mbf-widget,
.mbf-widget *,
.mbf-widget *::before,
.mbf-widget *::after,
.mbf-skip-link,
.mbf-reading-guide {
  box-sizing: border-box;
}

body.mbf-dialog-open {
  overflow: hidden !important;
}

.mbf-skip-link {
  position: fixed;
  left: max(16px, env(safe-area-inset-left));
  top: max(16px, env(safe-area-inset-top));
  z-index: calc(var(--mbf-z) + 20);
  transform: translateY(-180%);
  padding: 12px 17px;
  border: 2px solid #fff;
  border-radius: 999px;
  background: #000;
  color: #fff;
  text-decoration: none;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.25;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .28);
}

.mbf-skip-link:focus,
.mbf-skip-link:focus-visible {
  transform: translateY(0);
  outline: 3px solid #ffbf00;
  outline-offset: 3px;
}

.mbf-auto-widget {
  position: fixed;
  z-index: var(--mbf-z);
  pointer-events: none;
}

.mbf-auto-widget .mbf-widget,
.mbf-auto-widget .mbf-trigger,
.mbf-auto-widget .mbf-panel,
.mbf-auto-widget .mbf-backdrop {
  pointer-events: auto;
}

.mbf-position-bottom-right { right: max(22px, env(safe-area-inset-right)); bottom: max(22px, env(safe-area-inset-bottom)); }
.mbf-position-bottom-left { left: max(22px, env(safe-area-inset-left)); bottom: max(22px, env(safe-area-inset-bottom)); }
.mbf-position-top-right { right: max(22px, env(safe-area-inset-right)); top: max(22px, env(safe-area-inset-top)); }
.mbf-position-top-left { left: max(22px, env(safe-area-inset-left)); top: max(22px, env(safe-area-inset-top)); }

.mbf-widget {
  position: relative;
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  color: var(--mbf-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.45;
  text-align: left;
}

.mbf-trigger {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0;
  padding: 9px 14px 9px 10px;
  border: 1px solid rgba(29, 155, 240, .3);
  border: 1px solid color-mix(in srgb, var(--mbf-accent) 30%, rgba(255, 255, 255, .55));
  border-radius: 999px;
  background: #fff;
  background: linear-gradient(135deg, rgba(255, 255, 255, .98), rgba(248, 250, 252, .92));
  color: var(--mbf-text);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .12);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  letter-spacing: -.015em;
  text-transform: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  -webkit-tap-highlight-color: transparent;
}

.mbf-trigger:hover {
  transform: translateY(-1px);
  border-color: var(--mbf-accent);
  box-shadow: 0 16px 36px rgba(15, 23, 42, .16);
}

.mbf-trigger:focus-visible,
.mbf-icon-button:focus-visible,
.mbf-toggle:focus-visible,
.mbf-reset:focus-visible,
.mbf-link-button:focus-visible,
.mbf-font-stepper button:focus-visible {
  outline: 3px solid #ffbf00;
  outline-offset: 3px;
}

.mbf-trigger-icon {
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 30px;
  border-radius: 999px;
  background: var(--mbf-primary);
  color: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .24), 0 7px 16px rgba(15, 79, 147, .24);
}

.mbf-trigger svg,
.mbf-panel svg,
.mbf-feature-icon svg {
  width: 18px;
  height: 18px;
  display: block;
  fill: currentColor;
}

.mbf-widget-floating .mbf-trigger {
  width: 58px;
  height: 58px;
  padding: 0;
  border-color: rgba(255, 255, 255, .55);
  background: var(--mbf-primary);
  color: #fff;
  box-shadow: 0 20px 52px rgba(15, 79, 147, .38);
}

.mbf-widget-floating .mbf-trigger-icon {
  width: 38px;
  height: 38px;
  background: rgba(255, 255, 255, .14);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22);
}

.mbf-widget-floating .mbf-trigger-label,
.mbf-widget-icon-only .mbf-trigger-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.mbf-widget-icon-only .mbf-trigger {
  width: 46px;
  height: 46px;
  padding: 0;
}

.mbf-backdrop {
  position: fixed;
  inset: 0;
  z-index: calc(var(--mbf-z) + 1);
  border: 0;
  background: rgba(15, 23, 42, .5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}

.mbf-backdrop[hidden],
.mbf-panel[hidden] {
  display: none !important;
}

.mbf-panel {
  position: fixed;
  top: var(--mbf-panel-top, 70px);
  left: var(--mbf-panel-left, 20px);
  z-index: calc(var(--mbf-z) + 2);
  width: min(440px, calc(100vw - 24px));
  max-height: min(740px, calc(100vh - 24px));
  max-height: min(740px, calc(100dvh - 24px));
  overflow: auto;
  overscroll-behavior: contain;
  border: 1px solid rgba(255, 255, 255, .72);
  border-radius: var(--mbf-radius);
  background: var(--mbf-bg);
  background:
    radial-gradient(circle at 92% 2%, rgba(29, 155, 240, .12), transparent 30%),
    radial-gradient(circle at 4% 100%, rgba(15, 79, 147, .09), transparent 34%),
    var(--mbf-bg);
  box-shadow: var(--mbf-shadow);
  color: var(--mbf-text);
  backdrop-filter: blur(24px) saturate(1.25);
  -webkit-backdrop-filter: blur(24px) saturate(1.25);
}

.mbf-panel-shell {
  padding: 20px;
}

.mbf-panel-header {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 42px;
  align-items: start;
  gap: 12px;
  margin-bottom: 16px;
}

.mbf-panel-badge {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 15px;
  background: var(--mbf-primary);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 79, 147, .24);
}

.mbf-panel-badge svg {
  width: 22px;
  height: 22px;
}

.mbf-panel h2 {
  margin: 0 0 4px;
  padding: 0;
  border: 0;
  color: var(--mbf-text);
  font: inherit;
  font-size: clamp(1.1rem, 2.2vw, 1.28rem);
  font-weight: 850;
  line-height: 1.2;
  letter-spacing: -.025em;
  text-transform: none;
}

.mbf-panel h2:focus {
  outline: none;
}

.mbf-panel p {
  margin: 0;
  padding: 0;
  color: var(--mbf-muted);
  font: inherit;
  font-size: .9rem;
  line-height: 1.4;
}

.mbf-icon-button {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 1px solid var(--mbf-border);
  border-radius: 999px;
  background: #fff;
  color: var(--mbf-text);
  cursor: pointer;
  font: inherit;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
  -webkit-tap-highlight-color: transparent;
}

.mbf-icon-button:hover {
  transform: rotate(5deg) scale(1.03);
  border-color: var(--mbf-accent);
  background: #f8fafc;
}

.mbf-controls {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mbf-toggle,
.mbf-font-control {
  min-height: 78px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) 38px;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--mbf-border);
  border-radius: 19px;
  background: var(--mbf-surface);
  color: var(--mbf-text);
  box-shadow: var(--mbf-soft-shadow);
  font: inherit;
  text-align: left;
}

.mbf-toggle {
  cursor: pointer;
  transition: border-color .18s ease, transform .18s ease, background .18s ease, box-shadow .18s ease;
  -webkit-tap-highlight-color: transparent;
}

.mbf-toggle:hover {
  transform: translateY(-2px);
  border-color: var(--mbf-accent);
  background: #fff;
  box-shadow: 0 18px 40px rgba(15, 23, 42, .12);
}

.mbf-toggle[aria-pressed="true"] {
  border-color: var(--mbf-primary);
  background: #eff6ff;
  box-shadow: 0 16px 38px rgba(15, 79, 147, .14);
}

.mbf-font-control {
  grid-column: 1 / -1;
  grid-template-columns: 40px minmax(0, 1fr) minmax(166px, auto);
}

.mbf-feature-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(29, 155, 240, .2);
  border-radius: 14px;
  background: #eff7ff;
  color: var(--mbf-primary);
}

.mbf-toggle[aria-pressed="true"] .mbf-feature-icon {
  border-color: transparent;
  background: var(--mbf-primary);
  color: #fff;
}

.mbf-toggle-text {
  min-width: 0;
}

.mbf-toggle strong,
.mbf-toggle small,
.mbf-font-control strong,
.mbf-font-control small {
  display: block;
  margin: 0;
  padding: 0;
  font: inherit;
}

.mbf-toggle strong,
.mbf-font-control strong {
  color: var(--mbf-text);
  font-size: .88rem;
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -.012em;
}

.mbf-toggle small,
.mbf-font-control small {
  margin-top: 3px;
  color: var(--mbf-muted);
  font-size: .72rem;
  line-height: 1.25;
}

.mbf-toggle-switch {
  position: relative;
  width: 38px;
  height: 22px;
  justify-self: end;
  border-radius: 999px;
  background: #cbd5e1;
  box-shadow: inset 0 1px 3px rgba(15, 23, 42, .14);
  transition: background .18s ease;
}

.mbf-toggle-switch::after {
  content: "";
  position: absolute;
  left: 2px;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  background: #fff;
  box-shadow: 0 3px 8px rgba(15, 23, 42, .24);
  transition: transform .18s ease;
}

.mbf-toggle[aria-pressed="true"] .mbf-toggle-switch {
  background: var(--mbf-primary);
}

.mbf-toggle[aria-pressed="true"] .mbf-toggle-switch::after {
  transform: translateX(16px);
}

.mbf-font-stepper {
  display: grid;
  grid-template-columns: 38px minmax(78px, 1fr) 38px;
  align-items: center;
  gap: 6px;
  min-width: 166px;
}

.mbf-font-stepper button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0;
  border: 1px solid var(--mbf-border);
  border-radius: 11px;
  background: #fff;
  color: var(--mbf-primary);
  cursor: pointer;
  font: inherit;
  font-size: 1.25rem;
  font-weight: 900;
  line-height: 1;
}

.mbf-font-stepper button:hover:not(:disabled) {
  border-color: var(--mbf-primary);
  background: #eff6ff;
}

.mbf-font-stepper button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.mbf-font-stepper output {
  min-width: 0;
  color: var(--mbf-text);
  font-size: .75rem;
  font-weight: 800;
  line-height: 1.15;
  text-align: center;
}

.mbf-panel-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.mbf-reset,
.mbf-link-button {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 10px 15px;
  border: 1px solid var(--mbf-border);
  border-radius: 999px;
  background: #fff;
  color: var(--mbf-text);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
  text-transform: none;
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.mbf-reset:hover,
.mbf-link-button:hover {
  transform: translateY(-1px);
  border-color: var(--mbf-accent);
  background: #f8fafc;
  color: var(--mbf-primary);
  box-shadow: 0 12px 28px rgba(15, 23, 42, .09);
}

.mbf-link-button-primary {
  border-color: var(--mbf-primary);
  background: var(--mbf-primary);
  color: #fff;
  box-shadow: 0 14px 30px rgba(15, 79, 147, .24);
}

.mbf-link-button-primary:hover {
  border-color: var(--mbf-primary);
  background: var(--mbf-primary);
  color: #fff;
}

.mbf-note {
  margin: 12px 2px 0 !important;
  color: var(--mbf-muted) !important;
  font-size: .75rem !important;
  line-height: 1.4 !important;
}

.mbf-live-region {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
}

.mbf-reading-guide {
  position: fixed;
  left: 0;
  right: 0;
  top: -100px;
  z-index: calc(var(--mbf-z) - 1);
  height: 44px;
  display: none;
  pointer-events: none;
  border-top: 2px solid #005fcc;
  border-bottom: 2px solid #005fcc;
  background: rgba(255, 235, 59, .16);
}

html.mbf-guide .mbf-reading-guide {
  display: block;
}

/* Schriftvergrößerung in klaren Stufen. */
html.mbf-font-1 { font-size: 125%; }
html.mbf-font-2 { font-size: 150%; }
html.mbf-font-3 { font-size: 200%; }

/* WCAG-orientierte Textabstände, ohne die Toolbar selbst zu verändern. */
html.mbf-spacing body :where(p, li, dd, dt, blockquote, figcaption, label):not(.mbf-widget *) {
  line-height: 1.5 !important;
  letter-spacing: .12em !important;
  word-spacing: .16em !important;
}

html.mbf-spacing body :where(p, blockquote):not(.mbf-widget *) {
  margin-bottom: 2em !important;
}

html.mbf-readable body,
html.mbf-readable button,
html.mbf-readable input,
html.mbf-readable textarea,
html.mbf-readable select {
  font-family: Arial, Verdana, Helvetica, sans-serif !important;
}

html.mbf-links a:not(.mbf-trigger):not(.mbf-link-button):not(.mbf-skip-link) {
  text-decoration: underline !important;
  text-decoration-thickness: .14em !important;
  text-underline-offset: .22em !important;
}

html.mbf-focus :focus-visible,
html.mbf-force-focus :focus-visible {
  outline: 3px solid #ffbf00 !important;
  outline-offset: 4px !important;
  box-shadow: 0 0 0 6px rgba(255, 191, 0, .26) !important;
}

html.mbf-motion *,
html.mbf-motion *::before,
html.mbf-motion *::after {
  animation-duration: .001ms !important;
  animation-iteration-count: 1 !important;
  scroll-behavior: auto !important;
  transition-duration: .001ms !important;
}

/* Kontrollierter dunkler Hochkontrast. Flächen und Text werden gemeinsam gesetzt. */
html.mbf-contrast {
  color-scheme: dark;
}

html.mbf-contrast body {
  background: #000 !important;
  color: #fff !important;
}

html.mbf-contrast body :where(header, main, footer, section, article, aside, nav, div):not(.mbf-widget *):not(.mbf-reading-guide) {
  border-color: #fff !important;
  background-color: #000 !important;
  background-image: none !important;
  color: #fff !important;
  box-shadow: none !important;
}

html.mbf-contrast body :where(p, li, span, strong, em, small, label, legend, h1, h2, h3, h4, h5, h6, blockquote, figcaption, dt, dd):not(.mbf-widget *) {
  color: #fff !important;
  text-shadow: none !important;
}

html.mbf-contrast body a:not(.mbf-widget *) {
  color: #ffeb3b !important;
  text-decoration: underline !important;
}

html.mbf-contrast body :where(button, input, textarea, select):not(.mbf-widget *) {
  border-color: #fff !important;
  background: #000 !important;
  color: #fff !important;
}

html.mbf-contrast body :where(input, textarea)::placeholder {
  color: #e5e7eb !important;
  opacity: 1 !important;
}

html.mbf-contrast .mbf-backdrop {
  background: rgba(255, 255, 255, .2) !important;
}

html.mbf-contrast .mbf-panel {
  border: 2px solid #fff !important;
  background: #050505 !important;
  color: #fff !important;
}

html.mbf-contrast .mbf-panel :where(h2, p, strong, small, output) {
  color: #fff !important;
}

html.mbf-contrast .mbf-panel :where(.mbf-toggle, .mbf-font-control, .mbf-reset, .mbf-link-button, .mbf-icon-button, .mbf-font-stepper button) {
  border-color: #fff !important;
  background: #111 !important;
  color: #fff !important;
  box-shadow: none !important;
}

html.mbf-contrast .mbf-panel .mbf-feature-icon,
html.mbf-contrast .mbf-panel-badge,
html.mbf-contrast .mbf-trigger-icon,
html.mbf-contrast .mbf-link-button-primary,
html.mbf-contrast .mbf-toggle[aria-pressed="true"] .mbf-feature-icon {
  border-color: #fff !important;
  background: #fff !important;
  color: #000 !important;
}

html.mbf-contrast .mbf-toggle-switch {
  border: 1px solid #fff;
  background: #333 !important;
}

html.mbf-contrast .mbf-toggle[aria-pressed="true"] .mbf-toggle-switch {
  background: #ffeb3b !important;
}

@media (prefers-reduced-motion: reduce) {
  html.mbf-respect-motion *,
  html.mbf-respect-motion *::before,
  html.mbf-respect-motion *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: .001ms !important;
  }
}

@media (max-width: 782px) {
  .mbf-panel {
    width: min(410px, calc(100vw - 20px));
    max-height: calc(100vh - 20px);
    max-height: calc(100dvh - 20px);
  }

  .mbf-panel-shell {
    padding: 16px;
  }

  .mbf-panel-header {
    grid-template-columns: 42px minmax(0, 1fr) 40px;
    gap: 10px;
  }

  .mbf-panel-badge {
    width: 42px;
    height: 42px;
    border-radius: 13px;
  }

  .mbf-toggle,
  .mbf-font-control {
    min-height: 74px;
    grid-template-columns: 38px minmax(0, 1fr) 36px;
    gap: 8px;
    padding: 10px;
  }

  .mbf-font-control {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .mbf-font-stepper {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 2px;
  }

  .mbf-feature-icon {
    width: 38px;
    height: 38px;
  }
}

@media (max-width: 560px) {
  .mbf-position-bottom-right,
  .mbf-position-bottom-left {
    left: 14px;
    right: 14px;
    bottom: max(14px, env(safe-area-inset-bottom));
  }

  .mbf-position-top-right,
  .mbf-position-top-left {
    left: 14px;
    right: 14px;
    top: max(14px, env(safe-area-inset-top));
  }

  .mbf-widget-floating .mbf-trigger {
    margin-left: auto;
  }

  .mbf-panel {
    width: calc(100vw - 20px);
  }

  .mbf-controls {
    grid-template-columns: 1fr;
  }

  .mbf-font-control {
    grid-column: auto;
  }

  .mbf-panel-actions {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1181px) {
  .mbf-hide-desktop { display: none !important; }
}

@media (min-width: 783px) and (max-width: 1180px) {
  .mbf-hide-tablet { display: none !important; }
}

@media (max-width: 782px) {
  .mbf-hide-mobile { display: none !important; }
}