.accessibility-btn {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  bottom: calc(14px + env(safe-area-inset-bottom));
  z-index: 10000;
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 12, 12, 0.95);
  color: #ffffff;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.78);
  cursor: pointer;
  font-weight: 700;
  font-size: 22px;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(6px);
  transition: transform 0.16s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.accessibility-btn:hover {
  transform: translateY(-1px);
  border-color: #ffffff;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.58), 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.accessibility-btn:focus-visible {
  outline: 3px solid #ffffff;
  outline-offset: 2px;
}

.accessibility-panel {
  position: fixed;
  left: max(14px, env(safe-area-inset-left));
  bottom: calc(70px + env(safe-area-inset-bottom));
  width: 320px;
  max-width: calc(100vw - 28px);
  max-height: min(72vh, 520px);
  overflow: auto;
  background:
    radial-gradient(circle at 20% -10%, rgba(161, 127, 255, 0.18), transparent 45%),
    linear-gradient(165deg, rgba(14, 17, 25, 0.96), rgba(10, 12, 18, 0.96));
  color: #e8ebf5;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 14px;
  z-index: 10000;
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.56), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(8px);
}

.accessibility-panel h2 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: 0.01em;
}

.accessibility-panel button {
  display: block;
  width: 100%;
  margin: 7px 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.06);
  color: #f1f3f8;
  border-radius: 10px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.accessibility-panel button:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(170, 140, 255, 0.55);
}

.accessibility-panel button:focus-visible {
  outline: 3px solid #8b6cff;
  outline-offset: 2px;
}

#closeAccessibility {
  margin-top: 10px;
  background: linear-gradient(140deg, #a77dff, #8d6cff);
  color: #090b12;
  border-color: transparent;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  z-index: 10001;
}

.skip-link:focus {
  top: 0;
  background: #000;
  color: #fff;
  padding: 10px;
}

.high-contrast {
  background: #000 !important;
  color: #fff !important;
}

.high-contrast a,
.high-contrast p,
.high-contrast h1,
.high-contrast h2,
.high-contrast h3,
.high-contrast li,
.high-contrast span,
.high-contrast small,
.high-contrast summary,
.high-contrast details {
  color: #fff !important;
}

.high-contrast .card,
.high-contrast .tile,
.high-contrast .toastInner,
.high-contrast header,
.high-contrast footer,
.high-contrast .accessibility-panel,
.high-contrast .btn,
.high-contrast nav a {
  background: #000 !important;
  border-color: #fff !important;
  color: #fff !important;
}

.grayscale {
  filter: grayscale(100%);
}

.readable-font {
  font-family: Arial, Helvetica, sans-serif !important;
}

.underline-links a {
  text-decoration: underline !important;
}