/* ==========================================================================
   3. ACCESSIBILITY TOOLS
   ========================================================================== */
#wsdt-accessibility-root {
  position: fixed;
  z-index: var(--z-modal);
  font-family: var(--font-primary);
  line-height: 1.5;
}

#wsdt-accessibility-toggle {
  position: fixed;
  bottom: var(--space-3xl);
  left: var(--space-lg);
  width: var(--space-xl);
  height: var(--space-xl);
  border-radius: 50%;
  background: var(--color-black);
  color: var(--text-on-dark);
  border: var(--border-width-md) solid var(--text-on-dark);
  cursor: pointer;

  /* --- FIX ΓΙΑ ΚΕΝΤΡΑΡΙΣΜΑ --- */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0; /* Κρίσιμο: Αφαιρεί το default padding του browser */
  line-height: 1; /* Κρίσιμο: Αφαιρεί το ύψος γραμμής που το σπρώχνει */
  /* -------------------------- */

  box-shadow: var(--shadow-strong);
  transition: transform var(--transition-fast),
    box-shadow var(--transition-fast);
  z-index: var(--z-accessibility);
}

#wsdt-accessibility-toggle svg {
  display: block; /* Βοηθάει στο να μην πιάνει έξτρα χώρο */
  margin: auto; /* Εξασφαλίζει το κέντρο */
}

/* --- FIX 2: Hover State --- */
#wsdt-accessibility-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 16px color-mix(in srgb, var(--base-black), transparent 70%); /* Ενισχυμένο shadow στο hover */
}

/* --- FIX 3: Focus State (Για Προσβασιμότητα) --- */
#wsdt-accessibility-toggle:focus-visible {
  outline: calc(3 * var(--unit-px)) solid var(--color-primary); /* Ή όποιο accent color έχετε */
  outline-offset: var(--radius-sm);
}

.wsdt-accessibility-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

/* Accessibility Cards */
.wsdt-accessibility-card {
  border: var(--border-width-sm) solid var(--border-light);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  transition: var(--transition-base);
  background: var(--bg-gray-light);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--text-body);
}

.wsdt-accessibility-card:hover {
  background: var(--bg-gray-lighter);
  border-color: var(--border-light);
}

.wsdt-accessibility-card.active {
  background: var(--color-black);
  color: var(--text-on-dark);
  border-color: var(--color-black);
}

/* Accessibility Steppers */
.wsdt-accessibility-stepper {
  grid-column: span 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: var(--border-width-sm) solid var(--border-light);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  background: var(--surface-bg);
}

.wsdt-accessibility-stepper-controls {
  display: flex;
  gap: var(--space-xs);
}

.wsdt-accessibility-btn-sm {
  width: calc(32 * var(--unit-px));
  height: calc(32 * var(--unit-px));
  border: var(--border-width-sm) solid var(--border-light);
  background: var(--surface-bg);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.wsdt-accessibility-btn-sm:hover {
  background: var(--bg-gray-lighter);
}

/* Reading Guide */
#wsdt-accessibility-guide-bar {
  position: fixed;
  left: 0;
  width: 100%;
  height: var(--border-width-md);
  background: var(--color-secondary);
  box-shadow: 0 0 0 100vh color-mix(in srgb, var(--base-black), transparent 85%);
  pointer-events: none;
  z-index: 10000;
  display: none;
}

.wsdt-accessibility-card[data-wsdt="reset"] {
  display: none;
}

.wsdt-accessibility-card[data-wsdt="reset"].is-visible {
  display: flex;
  border-color: var(--color-error);
  color: var(--color-error);
}

/* Feature Classes (Applied to HTML) */
html.wsdt-accessibility-contrast {
  filter: contrast(120%);
}

html.wsdt-accessibility-contrast body {
  background: var(--bg-body) !important;
  color: var(--color-black) !important;
}

html.wsdt-accessibility-invert {
  filter: invert(100%);
}

html.wsdt-accessibility-links a {
  text-decoration: underline !important;
  color: var(--color-a11y-yellow) !important;
  background: var(--color-black) !important;
}

html.wsdt-accessibility-cursor * {
  cursor: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" viewport="0 0 48 48" style="fill:black;stroke:white;stroke-width:2px;"><path d="M10 10l15 35 5-15 15-5z"/></svg>'),
    auto !important;
}