/* ============================================================
   Accessibility Shared Styles — Patil Research
   WCAG 2.2 AA | GIGW 3.0 | IS 17802 | SEBI Circular
   ============================================================ */

/* ----- Skip Link ----- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: #0056b3;
  color: #ffffff;
  padding: 14px 28px;
  font-weight: 700;
  font-size: 1rem;
  z-index: 999999;
  border-radius: 0 0 10px 10px;
  text-decoration: none;
  white-space: nowrap;
  transition: top 0.15s ease;
}
.skip-link:focus {
  top: 0;
  outline: 3px solid #ffc107;
  outline-offset: 2px;
}

/* ----- Screen Reader Only ----- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ----- Global Focus Ring ----- */
*:focus-visible {
  outline: 3px solid #0056b3 !important;
  outline-offset: 3px !important;
  border-radius: 4px;
}

/* ----- Accessibility Toolbar ----- */
#a11y-toolbar {
  position: fixed;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 99990;
}

#a11y-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: #0056b3;
  color: #fff;
  border: none;
  border-radius: 0 10px 10px 0;
  cursor: pointer;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.25);
  transition: background 0.2s;
}

#a11y-toggle:hover,
#a11y-toggle:focus-visible {
  background: #003d82;
  outline: 3px solid #ffc107 !important;
  outline-offset: 2px !important;
}

#a11y-panel {
  position: absolute;
  left: 50px;
  top: 50%;
  transform: translateY(-50%);
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  width: 240px;
  overflow: hidden;
}

.a11y-panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: #0056b3;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
}

#a11y-close {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px 8px;
  border-radius: 4px;
  line-height: 1;
}

#a11y-close:hover,
#a11y-close:focus-visible {
  background: rgba(255, 255, 255, 0.25);
  outline: 2px solid #ffc107 !important;
}

.a11y-controls {
  padding: 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.a11y-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.a11y-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: #596175;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.a11y-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.a11y-row button {
  flex: 1;
  padding: 8px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #f8fafc;
  cursor: pointer;
  font-weight: 700;
  color: #1e293b;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.a11y-row button:hover,
.a11y-row button:focus-visible {
  background: #e2e8f0;
  outline: 2px solid #0056b3 !important;
  outline-offset: 2px !important;
}

#a11y-font-value {
  font-size: 0.85rem;
  font-weight: 600;
  color: #1e293b;
  min-width: 40px;
  text-align: center;
}

.a11y-toggle-btn {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  background: #f8fafc;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  color: #1e293b;
  transition: all 0.2s;
}

.a11y-toggle-btn:hover,
.a11y-toggle-btn:focus-visible {
  background: #e2e8f0;
  outline: 2px solid #0056b3 !important;
  outline-offset: 2px !important;
}

.a11y-toggle-btn[aria-pressed="true"] {
  background: #0056b3;
  color: #fff;
  border-color: #0056b3;
}

.a11y-reset-btn {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #dc3545;
  border-radius: 8px;
  background: transparent;
  color: #dc3545;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s;
}

.a11y-reset-btn:hover,
.a11y-reset-btn:focus-visible {
  background: #dc3545;
  color: #fff;
  outline: 2px solid #dc3545 !important;
  outline-offset: 2px !important;
}

/* ----- High Contrast Mode ----- */
.a11y-high-contrast {
  --text: #000 !important;
  --bg:  #fff !important;
  --brand: #00008b !important;
  --muted: #000 !important;
  --border: #000 !important;
}

.a11y-high-contrast body {
  background: #fff !important;
  color: #000 !important;
}

.a11y-high-contrast a { color: #00008b !important; text-decoration: underline !important; }
.a11y-high-contrast button { border: 2px solid #000 !important; }

/* ----- Dyslexia-Friendly Font ----- */
.a11y-dyslexia,
.a11y-dyslexia * {
  font-family: 'Arial', 'Helvetica Neue', Helvetica, sans-serif !important;
  letter-spacing: 0.06em !important;
  word-spacing: 0.12em !important;
  line-height: 1.85 !important;
}

/* ----- Highlight Links ----- */
.a11y-highlight-links a:not(.skip-link):not(#a11y-toggle) {
  background: #fff200 !important;
  color: #000 !important;
  text-decoration: underline !important;
  padding: 1px 3px !important;
  border-radius: 2px !important;
}

/* ----- Responsive Toolbar ----- */
@media (max-width: 600px) {
  #a11y-toolbar {
    top: auto;
    bottom: 100px;
    transform: none;
  }

  #a11y-toggle {
    border-radius: 10px;
    width: 44px;
    height: 44px;
  }

  #a11y-panel {
    left: 0;
    top: auto;
    bottom: 54px;
    transform: none;
    width: 240px;
  }
}