/* ==========================================================================
   ACCESSIBILITY WIDGET STYLING
   Developed for FHGV - Sleek Glassmorphism & High-Contrast Support
   ========================================================================== */

/* Variables */
:root {
  --acc-blue: #1a73e8;
  --acc-blue-hover: #1557b0;
  --acc-bg: rgba(255, 255, 255, 0.9);
  --acc-bg-panel: rgba(255, 255, 255, 0.85);
  --acc-border: rgba(26, 115, 232, 0.2);
  --acc-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
  --acc-text: #333333;
  --acc-text-light: #666666;
  --acc-font-legible: "Open-Sans", Arial, Helvetica, sans-serif;
}

/* Floating Trigger Button */
.accessibility-widget {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 999999;
  font-family: var(--acc-font-legible);
}

.accessibility-trigger {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--acc-blue), #0b4f8c);
  color: #ffffff;
  border: 2px solid #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  padding: 0;
}

.accessibility-trigger:hover, .accessibility-trigger:focus {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
  outline: none;
}

.accessibility-trigger svg {
  transition: transform 0.3s ease;
}

.accessibility-trigger.active svg {
  transform: rotate(90deg);
}

/* Accessibility Control Panel */
.accessibility-panel {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 320px;
  background: var(--acc-bg-panel);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--acc-border);
  border-radius: 16px;
  box-shadow: var(--acc-shadow);
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
}

.accessibility-panel.open {
  transform: translateY(0) scale(1);
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

/* Header */
.accessibility-panel-header {
  padding: 16px 20px;
  background: linear-gradient(135deg, var(--acc-blue), #0b4f8c);
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.accessibility-panel-header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: #ffffff !important;
}

.accessibility-panel-close {
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  opacity: 0.8;
  transition: opacity 0.2s ease;
}

.accessibility-panel-close:hover {
  opacity: 1;
}

/* Body */
.accessibility-panel-body {
  padding: 20px;
  overflow-y: auto;
  max-height: calc(80vh - 120px);
}

.accessibility-option-group {
  margin-bottom: 20px;
}

.accessibility-option-group:last-child {
  margin-bottom: 0;
}

.accessibility-group-title {
  display: block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--acc-text-light);
  margin-bottom: 10px;
}

/* Font Size Buttons */
.accessibility-size-controls {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.accessibility-btn {
  background: #f1f3f4;
  border: 1px solid #dadce0;
  color: #3c4043;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.accessibility-btn:hover, .accessibility-btn:focus {
  background: var(--acc-blue);
  color: #ffffff;
  border-color: var(--acc-blue);
  outline: none;
}

/* Toggle Buttons */
.accessibility-toggle-btn {
  width: 100%;
  background: #f8f9fa;
  border: 1px solid #dadce0;
  color: #3c4043;
  padding: 12px 16px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  transition: all 0.2s ease;
  font-size: 14px;
}

.accessibility-toggle-btn:last-child {
  margin-bottom: 0;
}

.accessibility-toggle-btn:hover, .accessibility-toggle-btn:focus {
  background: #f1f3f4;
  border-color: #bdc1c6;
  outline: none;
}

.accessibility-toggle-btn .btn-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #bdc1c6;
  background: transparent;
  transition: all 0.2s ease;
  display: inline-block;
}

.accessibility-toggle-btn.active {
  background: rgba(26, 115, 232, 0.08);
  border-color: var(--acc-blue);
  color: var(--acc-blue);
  font-weight: 600;
}

.accessibility-toggle-btn.active .btn-indicator {
  border-color: var(--acc-blue);
  background: var(--acc-blue);
  box-shadow: 0 0 6px rgba(26, 115, 232, 0.4);
}

/* Footer Reset Button */
.accessibility-panel-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  background: #f8f9fa;
}

.accessibility-reset-all-btn {
  width: 100%;
  background: transparent;
  border: 1px dashed #d93025;
  color: #d93025;
  padding: 10px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.accessibility-reset-all-btn:hover, .accessibility-reset-all-btn:focus {
  background: rgba(217, 48, 37, 0.08);
  outline: none;
}

/* VLibras Widget Overwrite (so it fits on screen nicely) */
.vp-a-div {
  z-index: 999998 !important;
}


/* ==========================================================================
   ACCESSIBILITY FUNCTIONAL STYLES (APPLIED TO BODY/HTML)
   ========================================================================== */

/* 1. Zoom Text Scaling Rules (Using Specific overrides for maximum reliability) */
body.accessibility-zoom-1 p, 
body.accessibility-zoom-1 span, 
body.accessibility-zoom-1 a, 
body.accessibility-zoom-1 li, 
body.accessibility-zoom-1 h1, 
body.accessibility-zoom-1 h2, 
body.accessibility-zoom-1 h3, 
body.accessibility-zoom-1 h4, 
body.accessibility-zoom-1 h5, 
body.accessibility-zoom-1 h6, 
body.accessibility-zoom-1 label,
body.accessibility-zoom-1 button,
body.accessibility-zoom-1 input { 
  font-size: 1.15em !important; 
}

body.accessibility-zoom-2 p, 
body.accessibility-zoom-2 span, 
body.accessibility-zoom-2 a, 
body.accessibility-zoom-2 li, 
body.accessibility-zoom-2 h1, 
body.accessibility-zoom-2 h2, 
body.accessibility-zoom-2 h3, 
body.accessibility-zoom-2 h4, 
body.accessibility-zoom-2 h5, 
body.accessibility-zoom-2 h6, 
body.accessibility-zoom-2 label,
body.accessibility-zoom-2 button,
body.accessibility-zoom-2 input { 
  font-size: 1.3em !important; 
}

body.accessibility-zoom-3 p, 
body.accessibility-zoom-3 span, 
body.accessibility-zoom-3 a, 
body.accessibility-zoom-3 li, 
body.accessibility-zoom-3 h1, 
body.accessibility-zoom-3 h2, 
body.accessibility-zoom-3 h3, 
body.accessibility-zoom-3 h4, 
body.accessibility-zoom-3 h5, 
body.accessibility-zoom-3 h6, 
body.accessibility-zoom-3 label,
body.accessibility-zoom-3 button,
body.accessibility-zoom-3 input { 
  font-size: 1.45em !important; 
}

/* 2. High Contrast Theme */
body.accessibility-high-contrast {
  background: #000000 !important;
  color: #ffff00 !important;
}

body.accessibility-high-contrast p, 
body.accessibility-high-contrast span,
body.accessibility-high-contrast li,
body.accessibility-high-contrast label,
body.accessibility-high-contrast td,
body.accessibility-high-contrast th,
body.accessibility-high-contrast div:not(.accessibility-widget):not(.accessibility-panel):not(.accessibility-panel-header):not(.accessibility-panel-body):not(.accessibility-option-group) {
  background: #000000 !important;
  color: #ffffff !important;
}

body.accessibility-high-contrast h1,
body.accessibility-high-contrast h2,
body.accessibility-high-contrast h3,
body.accessibility-high-contrast h4,
body.accessibility-high-contrast h5,
body.accessibility-high-contrast h6 {
  background: transparent !important;
  color: #ffff00 !important;
}

body.accessibility-high-contrast a {
  background: transparent !important;
  color: #00ffff !important;
  text-decoration: underline !important;
}

body.accessibility-high-contrast a:hover {
  color: #ff00ff !important;
}

body.accessibility-high-contrast img {
  filter: contrast(120%) brightness(90%) !important;
}

body.accessibility-high-contrast input, 
body.accessibility-high-contrast textarea, 
body.accessibility-high-contrast select {
  background: #000000 !important;
  color: #ffff00 !important;
  border: 2px solid #ffff00 !important;
}

/* Don't break the accessibility widget colors in high contrast mode */
body.accessibility-high-contrast .accessibility-widget * {
  background: inherit;
  color: inherit;
}
body.accessibility-high-contrast .accessibility-widget button {
  border-color: #ffff00 !important;
}

/* 3. Grayscale Mode */
body.accessibility-grayscale {
  filter: grayscale(100%) !important;
}

/* Grayscale + High Contrast exception to maintain visibility */
body.accessibility-grayscale.accessibility-high-contrast {
  filter: grayscale(100%) contrast(150%) !important;
}

/* 4. Legible Typography (Dyslexia Friendly/Clean Sans-Serif) */
body.accessibility-legible-font * {
  font-family: var(--acc-font-legible) !important;
}

/* 5. More Text Spacing */
body.accessibility-spacing p, 
body.accessibility-spacing span, 
body.accessibility-spacing a, 
body.accessibility-spacing li,
body.accessibility-spacing div:not(.accessibility-widget) {
  letter-spacing: 0.12em !important;
  line-height: 1.8 !important;
  word-spacing: 0.15em !important;
}

/* 6. Highlight Links */
body.accessibility-highlight-links a:not(.accessibility-btn):not(.accessibility-panel-close):not(.accessibility-reset-all-btn) {
  outline: 3px solid #2e7d32 !important;
  background-color: #eaf5e8 !important;
  color: #1e381a !important;
  font-weight: 700 !important;
  text-decoration: underline !important;
}
body.accessibility-high-contrast.accessibility-highlight-links a {
  outline: 3px solid #ffff00 !important;
  background-color: #000000 !important;
  color: #00ffff !important;
}

/* 7. Keyboard Focus Outline (Visual Impairment / Keyboard Nav) */
*:focus-visible {
  outline: 3px solid #497740 !important;
  outline-offset: 3px !important;
  box-shadow: 0 0 8px rgba(73, 119, 64, 0.35) !important;
}

/* 8. Skip Link (Acessibilidade de Teclado) */
.skip-link {
  position: absolute;
  top: -100px;
  left: 10px;
  background: #1d7140;
  color: #ffffff !important;
  padding: 12px 24px;
  z-index: 1000000;
  font-weight: 700;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  transition: top 0.2s ease-in-out;
  font-family: var(--acc-font-legible);
}

.skip-link:focus {
  top: 0;
  outline: 3px solid #497740 !important;
}