/**
 * Bedienungshilfen-Widget Styles
 * Self-contained, no external dependencies
 * Compatible with older browsers
 */

/* ============================================
   WIDGET CONTAINER & FLOATING BUTTON
   ============================================ */

.accessibility-helper {
  position: fixed;
  left: 32px;
  bottom: 84px;
  z-index: 999999;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.accessibility-helper__toggle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.75);
  background-color: #61b42e;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(45, 68, 20, 0.24);
  transition: all 0.3s ease;
  font-size: 16px;
  padding: 0;
  line-height: 1;
}

.accessibility-helper__toggle:hover {
  background-color: #529c25;
  box-shadow: 0 12px 28px rgba(45, 68, 20, 0.3);
  transform: scale(1.05);
}

.accessibility-helper__toggle:focus {
  outline: 3px solid rgba(97, 180, 46, 0.35);
  outline-offset: 2px;
}

.accessibility-helper__toggle:active {
  transform: scale(0.98);
}

.accessibility-helper__toggle svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

/* ============================================
   PANEL
   ============================================ */

.accessibility-helper__panel {
  position: absolute;
  bottom: 72px;
  left: 0;
  width: 304px;
  max-height: calc(100vh - 112px);
  background-color: white;
  border: 1px solid #ded8bd;
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(35, 38, 22, 0.16);
  overflow-y: auto;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  visibility: visible;
  opacity: 1;
}

.accessibility-helper__panel--hidden {
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}

/* ============================================
   PANEL HEADER
   ============================================ */

.accessibility-helper__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid #ece8d8;
  background-color: #fafaf6;
}

.accessibility-helper__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: #1f2328;
}

.accessibility-helper__close {
  background: none;
  border: none;
  font-size: 24px;
  color: #7b817a;
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.accessibility-helper__close:hover {
  background-color: #eef3e9;
  color: #1f2328;
}

.accessibility-helper__close:focus {
  outline: 2px solid #61b42e;
  outline-offset: -2px;
}

/* ============================================
   PANEL CONTENT
   ============================================ */

.accessibility-helper__content {
  padding: 14px 16px 16px;
}

.accessibility-helper__group {
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid #eeece3;
}

.accessibility-helper__group:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.accessibility-helper__group-label {
  margin: 0 0 12px 0;
  font-size: 12px;
  font-weight: 600;
  color: #687162;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ============================================
   BUTTONS
   ============================================ */

.accessibility-helper__button-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.accessibility-helper__btn {
  flex: 1;
  min-width: 80px;
  padding: 10px 12px;
  border: 1px solid #dcded2;
  background-color: white;
  color: #242821;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s ease;
  line-height: 1.4;
}

.accessibility-helper__btn:hover {
  background-color: #f6faf2;
  border-color: #b9d9a5;
}

.accessibility-helper__btn:focus {
  outline: 2px solid #61b42e;
  outline-offset: -2px;
}

.accessibility-helper__btn:active {
  transform: scale(0.98);
}

.accessibility-helper__btn--compact {
  flex: 0 1 auto;
  min-width: auto;
  padding: 8px 12px;
  font-size: 12px;
}

.accessibility-helper__btn--danger {
  background-color: #f7f7f3;
  color: #31362d;
  border-color: #dcded2;
}

.accessibility-helper__btn--danger:hover {
  background-color: #eef5e8;
  border-color: #b9d9a5;
}

/* ============================================
   TOGGLE SWITCHES
   ============================================ */

.accessibility-helper__toggle-group {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 47px;
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 1px solid #eeece3;
}

.accessibility-helper__toggle-group:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.accessibility-helper__label {
  flex: 1;
  font-size: 14px;
  font-weight: 700;
  color: #1f251b;
  cursor: pointer;
  margin: 0;
  padding: 0;
}

.accessibility-helper__switch-container {
  position: relative;
  width: 44px;
  height: 24px;
  margin-left: 12px;
  cursor: pointer;
}

.accessibility-helper__switch-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.accessibility-helper__switch {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #c8c9c2;
  border-radius: 12px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: 2px solid transparent;
  user-select: none;
}

.accessibility-helper__switch::before {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: white;
  top: 50%;
  left: 2px;
  transform: translateY(-50%);
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.accessibility-helper__switch-input:checked + .accessibility-helper__switch {
  background-color: #61b42e;
}

.accessibility-helper__switch-input:checked + .accessibility-helper__switch::before {
  left: 22px;
}

.accessibility-helper__switch-input:focus + .accessibility-helper__switch {
  box-shadow: 0 0 0 3px rgba(97, 180, 46, 0.28);
  border-color: #61b42e;
}

/* ============================================
   BODY CLASSES - ACCESSIBILITY EFFECTS
   ============================================ */

/* High Contrast Mode */
body.accessibility-helper--high-contrast {
  background-color: #000 !important;
  color: #fff !important;
}

body.accessibility-helper--high-contrast * {
  background-color: #000 !important;
  color: #fff !important;
  border-color: #fff !important;
}

body.accessibility-helper--high-contrast a {
  color: #ffff00 !important;
}

body.accessibility-helper--high-contrast button {
  background-color: #000 !important;
  color: #fff !important;
  border: 2px solid #fff !important;
}

body.accessibility-helper--high-contrast input,
body.accessibility-helper--high-contrast textarea,
body.accessibility-helper--high-contrast select {
  background-color: #000 !important;
  color: #fff !important;
  border: 2px solid #fff !important;
}

body.accessibility-helper--high-contrast .highlight {
  background-color: #ffff00 !important;
  color: #000 !important;
  border-color: #000 !important;
}

/* Dark Mode */
body.accessibility-helper--dark-mode {
  background-color: #1a1a1a !important;
  color: #e0e0e0 !important;
}

body.accessibility-helper--dark-mode * {
  background-color: #1a1a1a !important;
  color: #e0e0e0 !important;
}

body.accessibility-helper--dark-mode a {
  color: #64b5f6 !important;
}

body.accessibility-helper--dark-mode button {
  background-color: #333 !important;
  color: #e0e0e0 !important;
  border-color: #555 !important;
}

body.accessibility-helper--dark-mode input,
body.accessibility-helper--dark-mode textarea,
body.accessibility-helper--dark-mode select {
  background-color: #2a2a2a !important;
  color: #e0e0e0 !important;
  border-color: #555 !important;
}

body.accessibility-helper--dark-mode table {
  border-color: #555 !important;
}

body.accessibility-helper--dark-mode table th {
  background-color: #333 !important;
  border-color: #555 !important;
}

body.accessibility-helper--dark-mode table td {
  border-color: #555 !important;
}

body.accessibility-helper--dark-mode section,
body.accessibility-helper--dark-mode div,
body.accessibility-helper--dark-mode article,
body.accessibility-helper--dark-mode main {
  background-color: #1a1a1a !important;
  color: #e0e0e0 !important;
  border-color: #333 !important;
}

body.accessibility-helper--dark-mode h1,
body.accessibility-helper--dark-mode h2,
body.accessibility-helper--dark-mode h3,
body.accessibility-helper--dark-mode h4,
body.accessibility-helper--dark-mode h5,
body.accessibility-helper--dark-mode h6 {
  color: #ffffff !important;
}

body.accessibility-helper--dark-mode .highlight {
  background-color: #2a2a2a !important;
  color: #e0e0e0 !important;
  border-color: #555 !important;
}

body.accessibility-helper--dark-mode code {
  background-color: #2a2a2a !important;
  color: #64b5f6 !important;
}

/* Highlight Links */
body.accessibility-helper--highlight-links a {
  text-decoration: underline !important;
  border-bottom: 2px solid currentColor;
  padding-bottom: 2px;
}

/* Readable Font */
body.accessibility-helper--readable-font {
  letter-spacing: 0.01em !important;
  word-spacing: 0.08em !important;
}

body.accessibility-helper--readable-font p,
body.accessibility-helper--readable-font li,
body.accessibility-helper--readable-font blockquote,
body.accessibility-helper--readable-font dd,
body.accessibility-helper--readable-font dt,
body.accessibility-helper--readable-font td,
body.accessibility-helper--readable-font th {
  line-height: 1.9 !important;
  letter-spacing: 0.01em !important;
  word-spacing: 0.08em !important;
}

body.accessibility-helper--readable-font h1,
body.accessibility-helper--readable-font h2,
body.accessibility-helper--readable-font h3,
body.accessibility-helper--readable-font h4,
body.accessibility-helper--readable-font h5,
body.accessibility-helper--readable-font h6 {
  line-height: 1.3 !important;
}

/* Reduce Animations */
body.accessibility-helper--reduce-animations,
body.accessibility-helper--reduce-animations * {
  animation: none !important;
  transition: none !important;
}

/* Reading Mask */
body.accessibility-helper--reading-mask {
  background: none !important;
}

body.accessibility-helper--reading-mask::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.95) 0%,
    rgba(0, 0, 0, 0.7) 25%,
    rgba(0, 0, 0, 0) 40%,
    rgba(0, 0, 0, 0) 60%,
    rgba(0, 0, 0, 0.7) 75%,
    rgba(0, 0, 0, 0.95) 100%
  );
  pointer-events: none;
  z-index: 999998;
}

/* Hide Images */
body.accessibility-helper--hide-images img {
  visibility: hidden !important;
  width: 0 !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}

body.accessibility-helper--hide-images img::after {
  content: '[Bild ausgeblendet]';
}

/* ============================================
   WIDGET PANEL APPEARANCE IN DARK MODE
   ============================================ */

body.accessibility-helper--dark-mode .accessibility-helper__panel {
  background-color: #2a2a2a;
  border-color: #555;
  color: #e0e0e0;
}

body.accessibility-helper--dark-mode .accessibility-helper__header {
  background-color: #333;
  border-color: #555;
}

body.accessibility-helper--dark-mode .accessibility-helper__title {
  color: #e0e0e0;
}

body.accessibility-helper--dark-mode .accessibility-helper__group {
  border-color: #444;
}

body.accessibility-helper--dark-mode .accessibility-helper__toggle-group {
  border-color: #444;
}

body.accessibility-helper--dark-mode .accessibility-helper__group-label {
  color: #999;
}

body.accessibility-helper--dark-mode .accessibility-helper__label {
  color: #e0e0e0;
}

body.accessibility-helper--dark-mode .accessibility-helper__btn {
  background-color: #333;
  color: #e0e0e0;
  border-color: #555;
}

body.accessibility-helper--dark-mode .accessibility-helper__btn:hover {
  background-color: #444;
  border-color: #777;
}

body.accessibility-helper--dark-mode .accessibility-helper__close {
  color: #aaa;
}

body.accessibility-helper--dark-mode .accessibility-helper__close:hover {
  background-color: #444;
  color: #e0e0e0;
}

/* ============================================
   RESPONSIVE / MOBILE
   ============================================ */

@media (max-width: 480px) {
  .accessibility-helper {
    bottom: 10px;
    left: auto;
    right: 10px;
  }

  .accessibility-helper__toggle {
    width: 48px;
    height: 48px;
  }

  .accessibility-helper__panel {
    width: calc(100vw - 30px);
    max-width: 320px;
    left: auto;
    right: -10px;
  }

  .accessibility-helper__button-row {
    flex-direction: column;
  }

  .accessibility-helper__btn {
    width: 100%;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .accessibility-helper {
    display: none !important;
  }
}