/* ===================================
   Версия для слабовидящих — ГОСТ Р 52872-2019
   ПЕРЕПИСАНО: 2026-04-06
   - НЕ трогаем font-size у html (ломает rem)
   - Переопределяем все элементы сайта явно
   - Не используем !important где можно без него
   =================================== */

/* ===================================
   КНОПКА В ХЕДЕРЕ (десктоп — по умолчанию)
   =================================== */

.vi-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: #f1f5f9;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  transition: all 0.2s;
  min-height: 44px;
  min-width: 44px;
  font-family: inherit;
  white-space: nowrap;
}
.vi-toggle-btn:hover {
  background: #e2e8f0;
  border-color: #cbd5e1;
}
.vi-toggle-btn:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}
.vi-toggle-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* По умолчанию: десктопная видна, мобильная скрыта */
.vi-toggle-mobile {
  display: none;
}

/* ===================================
   SKIP LINK
   =================================== */

.vi-skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: #3b82f6;
  color: #fff;
  padding: 12px 24px;
  z-index: 10000;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border-radius: 0 0 8px 0;
  transition: top 0.2s;
}
.vi-skip-link:focus {
  top: 0;
}

/* ===================================
   ПАНЕЛЬ НАСТРОЕК — ЗАЩИТА ОТ ТЕМ
   Панель всегда читаема, независимо от выбранной темы
   =================================== */

.vi-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  animation: viFadeIn 0.2s ease;
}
.vi-overlay.open {
  display: flex;
}

@keyframes viFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.vi-panel {
  background: #ffffff !important;
  border-radius: 16px;
  padding: 32px;
  max-width: 480px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  animation: viSlideUp 0.3s ease;
  position: relative;
  font-size: 16px !important;
  line-height: 1.5 !important;
  color: #1e293b !important;
}

@keyframes viSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.vi-panel * {
  color: inherit;
}

.vi-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid #e2e8f0;
}
.vi-panel-header h2 {
  font-size: 20px !important;
  color: #1e293b !important;
  margin: 0;
  line-height: 1.3;
}

.vi-panel-close {
  width: 44px;
  height: 44px;
  background: #f1f5f9;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #64748b !important;
  transition: all 0.2s;
  flex-shrink: 0;
}
.vi-panel-close:hover {
  background: #e2e8f0;
  color: #1e293b !important;
}
.vi-panel-close:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}

.vi-section {
  margin-bottom: 24px;
}
.vi-section h3 {
  font-size: 16px !important;
  color: #475569 !important;
  margin-bottom: 12px;
  font-weight: 600;
  line-height: 1.3;
}

/* Размер шрифта */
.vi-font-sizes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.vi-font-btn {
  padding: 12px 8px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  background: #fff !important;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  font-family: inherit;
  color: #1e293b !important;
}
.vi-font-btn > span:first-child {
  display: block;
  color: #1e293b !important;
  font-weight: 700;
}
.vi-font-btn:hover {
  border-color: #3b82f6;
  background: #eff6ff !important;
}
.vi-font-btn.active {
  border-color: #3b82f6;
  background: #eff6ff !important;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.vi-font-btn:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}
.vi-font-btn .size-label {
  display: block;
  font-size: 12px !important;
  color: #94a3b8 !important;
  margin-top: 4px;
}

/* Цветовые схемы */
.vi-themes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.vi-theme-btn {
  padding: 12px 8px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  font-family: inherit;
  font-size: 13px !important;
  font-weight: 600;
  line-height: 1.3;
  color: #1e293b !important;
}
.vi-theme-btn:hover {
  border-color: #3b82f6;
}
.vi-theme-btn.active {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.vi-theme-btn:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}
.vi-theme-preview {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  margin: 0 auto 6px;
  border: 1px solid #e2e8f0;
}
.vi-theme-btn[data-vi-theme="bw"] .vi-theme-preview {
  background: #fff;
  border-color: #000;
}
.vi-theme-btn[data-vi-theme="wb"] .vi-theme-preview {
  background: #000;
  border-color: #fff;
}
.vi-theme-btn[data-vi-theme="blue"] .vi-theme-preview {
  background: #e3f2fd;
  border-color: #0d47a1;
}

/* Изображения toggle */
.vi-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #f8fafc;
  border-radius: 8px;
}
.vi-toggle-row span {
  font-size: 15px !important;
  color: #475569 !important;
  font-weight: 500;
}
.vi-switch {
  position: relative;
  width: 52px;
  height: 28px;
  flex-shrink: 0;
}
.vi-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.vi-switch-slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: #cbd5e1;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s;
}
.vi-switch-slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: all 0.3s;
}
.vi-switch input:checked + .vi-switch-slider {
  background: #3b82f6;
}
.vi-switch input:checked + .vi-switch-slider::before {
  transform: translateX(24px);
}
.vi-switch input:focus-visible + .vi-switch-slider {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}

/* Кнопка сброса */
.vi-reset-btn {
  width: 100%;
  padding: 14px;
  background: #f1f5f9;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px !important;
  font-weight: 600;
  color: #64748b !important;
  transition: all 0.2s;
  font-family: inherit;
  min-height: 44px;
}
.vi-reset-btn:hover {
  background: #e2e8f0;
  color: #1e293b !important;
}
.vi-reset-btn:focus-visible {
  outline: 3px solid #3b82f6;
  outline-offset: 2px;
}

/* ===================================
   ЦВЕТОВЫЕ СХЕМЫ — ПОЛНОЕ ПЕРЕКРЫТИЕ
   Применяем напрямую к элементам,
   НЕ через CSS-переменные (надёжнее)
   =================================== */

/* --- Чёрный на белом (bw) --- */
html[data-vi-theme="bw"] body {
  background-color: #ffffff;
  color: #000000;
}
html[data-vi-theme="bw"] .site-header {
  background-color: #ffffff;
  border-bottom-color: #000000;
}
html[data-vi-theme="bw"] .site-header .logo { color: #000000; }
html[data-vi-theme="bw"] .logo-icon { background: #000000; color: #ffffff; }
html[data-vi-theme="bw"] .main-nav a { color: #000000; }
html[data-vi-theme="bw"] .main-nav a:hover,
html[data-vi-theme="bw"] .main-nav a.active {
  background-color: #e0e0e0;
  color: #000000;
}
html[data-vi-theme="bw"] a { color: #0000ee; }
html[data-vi-theme="bw"] a:hover { color: #0000aa; }
html[data-vi-theme="bw"] h1,
html[data-vi-theme="bw"] h2,
html[data-vi-theme="bw"] h3,
html[data-vi-theme="bw"] h4 { color: #000000; }
html[data-vi-theme="bw"] p,
html[data-vi-theme="bw"] li,
html[data-vi-theme="bw"] span,
html[data-vi-theme="bw"] label { color: #000000; }
html[data-vi-theme="bw"] .hero-content h1 { color: #ffffff; }
html[data-vi-theme="bw"] .hero-content p { color: #f0f0f0; }
html[data-vi-theme="bw"] .hero { background-color: #333333; }
html[data-vi-theme="bw"] .section-alt { background-color: #f5f5f5; }
html[data-vi-theme="bw"] .card {
  background-color: #ffffff;
  border-color: #000000;
}
html[data-vi-theme="bw"] .card h3 { color: #000000; }
html[data-vi-theme="bw"] .card p { color: #222222; }
html[data-vi-theme="bw"] .card-icon { background-color: #e0e0e0; color: #000000; }
html[data-vi-theme="bw"] .card-body { background-color: #ffffff; }
html[data-vi-theme="bw"] .card-meta { color: #333333; }
html[data-vi-theme="bw"] .card-meta span { color: #333333; }
html[data-vi-theme="bw"] .card-icon-badge { opacity: 1; }
html[data-vi-theme="bw"] .event-card {
  background-color: #ffffff;
  border-color: #000000;
}
html[data-vi-theme="bw"] .event-info h3 { color: #000000; }
html[data-vi-theme="bw"] .event-info p { color: #222222; }
html[data-vi-theme="bw"] .event-date-badge { background-color: #000000; color: #ffffff; }
html[data-vi-theme="bw"] .event-tag { background-color: #e0e0e0; color: #000000; }
html[data-vi-theme="bw"] .page-header { background-color: #333333; }
html[data-vi-theme="bw"] .page-header h1 { color: #ffffff; }
html[data-vi-theme="bw"] .page-header p { color: #f0f0f0; }
html[data-vi-theme="bw"] .page-header-overlay { background: rgba(0,0,0,0.7); }
html[data-vi-theme="bw"] .hero-overlay { background: rgba(0,0,0,0.7); }
html[data-vi-theme="bw"] .stat-number { color: #000000; }
html[data-vi-theme="bw"] .stat-label { color: #333333; }
html[data-vi-theme="bw"] .section-title { color: #000000; }
html[data-vi-theme="bw"] .section-subtitle { color: #333333; }
html[data-vi-theme="bw"] .contact-info h4 { color: #000000; }
html[data-vi-theme="bw"] .contact-info p { color: #222222; }
html[data-vi-theme="bw"] .contact-icon { background-color: #e0e0e0; color: #000000; }
html[data-vi-theme="bw"] .form-group label { color: #000000; }
html[data-vi-theme="bw"] .form-group input,
html[data-vi-theme="bw"] .form-group textarea {
  background-color: #ffffff;
  color: #000000;
  border-color: #000000;
}
html[data-vi-theme="bw"] .form-section {
  background-color: #ffffff;
  border-color: #000000;
}
html[data-vi-theme="bw"] .map-placeholder {
  background-color: #e0e0e0;
  color: #000000;
}
html[data-vi-theme="bw"] .site-footer {
  background-color: #000000;
  color: #ffffff;
}
html[data-vi-theme="bw"] .site-footer .footer-col h4 { color: #ffffff; }
html[data-vi-theme="bw"] .site-footer .footer-col p,
html[data-vi-theme="bw"] .site-footer .footer-col a { color: #cccccc; }
html[data-vi-theme="bw"] .site-footer .footer-col a:hover { color: #ffffff; }
html[data-vi-theme="bw"] .footer-bottom { color: #999999; border-top-color: #333333; }
html[data-vi-theme="bw"] .btn-primary {
  background-color: #000000;
  color: #ffffff;
  border-color: #000000;
}
html[data-vi-theme="bw"] .btn-primary:hover {
  background-color: #333333;
  color: #ffffff;
}
html[data-vi-theme="bw"] .btn-white {
  background-color: #ffffff;
  color: #000000;
  border-color: #000000;
}
html[data-vi-theme="bw"] .btn-white:hover {
  background-color: #e0e0e0;
  color: #000000;
}
html[data-vi-theme="bw"] .btn-outline-white {
  color: #ffffff;
  border-color: rgba(255,255,255,0.6);
}
html[data-vi-theme="bw"] .btn-outline-white:hover {
  border-color: #ffffff;
  background-color: rgba(255,255,255,0.1);
  color: #ffffff;
}
html[data-vi-theme="bw"] .about-text h2 { color: #000000; }
html[data-vi-theme="bw"] .about-text p { color: #222222; }
html[data-vi-theme="bw"] .menu-toggle span { background-color: #000000; }
html[data-vi-theme="bw"] .vi-toggle-btn {
  background: #e0e0e0;
  border-color: #000000;
  color: #000000;
}
html[data-vi-theme="bw"] .main-nav { background-color: #ffffff; }

/* --- Белый на чёрном (wb) --- */
html[data-vi-theme="wb"] body {
  background-color: #000000;
  color: #ffffff;
}
html[data-vi-theme="wb"] .site-header {
  background-color: #111111;
  border-bottom-color: #ffffff;
}
html[data-vi-theme="wb"] .site-header .logo { color: #ffffff; }
html[data-vi-theme="wb"] .logo-icon { background: #ffffff; color: #000000; }
html[data-vi-theme="wb"] .main-nav a { color: #ffffff; }
html[data-vi-theme="wb"] .main-nav a:hover,
html[data-vi-theme="wb"] .main-nav a.active {
  background-color: #333333;
  color: #ffffff;
}
html[data-vi-theme="wb"] a { color: #8ab4f8; }
html[data-vi-theme="wb"] a:hover { color: #aecbfa; }
html[data-vi-theme="wb"] h1,
html[data-vi-theme="wb"] h2,
html[data-vi-theme="wb"] h3,
html[data-vi-theme="wb"] h4 { color: #ffffff; }
html[data-vi-theme="wb"] p,
html[data-vi-theme="wb"] li,
html[data-vi-theme="wb"] span,
html[data-vi-theme="wb"] label { color: #ffffff; }
html[data-vi-theme="wb"] .hero-content h1 { color: #ffffff; }
html[data-vi-theme="wb"] .hero-content p { color: #e0e0e0; }
html[data-vi-theme="wb"] .hero { background-color: #111111; }
html[data-vi-theme="wb"] .section-alt { background-color: #0a0a0a; }
html[data-vi-theme="wb"] .card {
  background-color: #1a1a1a;
  border-color: #ffffff;
}
html[data-vi-theme="wb"] .card h3 { color: #ffffff; }
html[data-vi-theme="wb"] .card p { color: #cccccc; }
html[data-vi-theme="wb"] .card-icon { background-color: #333333; color: #ffffff; }
html[data-vi-theme="wb"] .card-body { background-color: #1a1a1a; }
html[data-vi-theme="wb"] .card-meta { color: #aaaaaa; }
html[data-vi-theme="wb"] .card-meta span { color: #aaaaaa; }
html[data-vi-theme="wb"] .event-card {
  background-color: #1a1a1a;
  border-color: #ffffff;
}
html[data-vi-theme="wb"] .event-info h3 { color: #ffffff; }
html[data-vi-theme="wb"] .event-info p { color: #cccccc; }
html[data-vi-theme="wb"] .event-date-badge { background-color: #ffffff; color: #000000; }
html[data-vi-theme="wb"] .event-tag { background-color: #333333; color: #ffffff; }
html[data-vi-theme="wb"] .page-header { background-color: #111111; }
html[data-vi-theme="wb"] .page-header h1 { color: #ffffff; }
html[data-vi-theme="wb"] .page-header p { color: #e0e0e0; }
html[data-vi-theme="wb"] .page-header-overlay { background: rgba(0,0,0,0.5); }
html[data-vi-theme="wb"] .hero-overlay { background: rgba(0,0,0,0.5); }
html[data-vi-theme="wb"] .stat-number { color: #ffffff; }
html[data-vi-theme="wb"] .stat-label { color: #aaaaaa; }
html[data-vi-theme="wb"] .section-title { color: #ffffff; }
html[data-vi-theme="wb"] .section-subtitle { color: #aaaaaa; }
html[data-vi-theme="wb"] .contact-info h4 { color: #ffffff; }
html[data-vi-theme="wb"] .contact-info p { color: #cccccc; }
html[data-vi-theme="wb"] .contact-icon { background-color: #333333; color: #ffffff; }
html[data-vi-theme="wb"] .form-group label { color: #ffffff; }
html[data-vi-theme="wb"] .form-group input,
html[data-vi-theme="wb"] .form-group textarea {
  background-color: #1a1a1a;
  color: #ffffff;
  border-color: #ffffff;
}
html[data-vi-theme="wb"] .form-section {
  background-color: #1a1a1a;
  border-color: #ffffff;
}
html[data-vi-theme="wb"] .map-placeholder {
  background-color: #333333;
  color: #ffffff;
}
html[data-vi-theme="wb"] .site-footer {
  background-color: #000000;
  color: #ffffff;
  border-top-color: #333333;
}
html[data-vi-theme="wb"] .site-footer .footer-col h4 { color: #ffffff; }
html[data-vi-theme="wb"] .site-footer .footer-col p,
html[data-vi-theme="wb"] .site-footer .footer-col a { color: #aaaaaa; }
html[data-vi-theme="wb"] .site-footer .footer-col a:hover { color: #ffffff; }
html[data-vi-theme="wb"] .footer-bottom { color: #666666; border-top-color: #333333; }
html[data-vi-theme="wb"] .btn-primary {
  background-color: #ffffff;
  color: #000000;
  border-color: #ffffff;
}
html[data-vi-theme="wb"] .btn-primary:hover {
  background-color: #cccccc;
  color: #000000;
}
html[data-vi-theme="wb"] .btn-white {
  background-color: #1a1a1a;
  color: #ffffff;
  border-color: #ffffff;
}
html[data-vi-theme="wb"] .btn-white:hover {
  background-color: #333333;
  color: #ffffff;
}
html[data-vi-theme="wb"] .btn-outline-white {
  color: #ffffff;
  border-color: rgba(255,255,255,0.5);
}
html[data-vi-theme="wb"] .btn-outline-white:hover {
  border-color: #ffffff;
  background-color: rgba(255,255,255,0.1);
  color: #ffffff;
}
html[data-vi-theme="wb"] .about-text h2 { color: #ffffff; }
html[data-vi-theme="wb"] .about-text p { color: #cccccc; }
html[data-vi-theme="wb"] .menu-toggle span { background-color: #ffffff; }
html[data-vi-theme="wb"] .vi-toggle-btn {
  background: #333333;
  border-color: #ffffff;
  color: #ffffff;
}
html[data-vi-theme="wb"] .main-nav { background-color: #111111; }

/* --- Синий на голубом (blue) --- */
html[data-vi-theme="blue"] body {
  background-color: #e3f2fd;
  color: #0d47a1;
}
html[data-vi-theme="blue"] .site-header {
  background-color: #bbdefb;
  border-bottom-color: #1565c0;
}
html[data-vi-theme="blue"] .site-header .logo { color: #0d47a1; }
html[data-vi-theme="blue"] .logo-icon { background: #1565c0; color: #ffffff; }
html[data-vi-theme="blue"] .main-nav a { color: #0d47a1; }
html[data-vi-theme="blue"] .main-nav a:hover,
html[data-vi-theme="blue"] .main-nav a.active {
  background-color: #90caf9;
  color: #0d47a1;
}
html[data-vi-theme="blue"] a { color: #000080; }
html[data-vi-theme="blue"] a:hover { color: #000050; }
html[data-vi-theme="blue"] h1,
html[data-vi-theme="blue"] h2,
html[data-vi-theme="blue"] h3,
html[data-vi-theme="blue"] h4 { color: #0d47a1; }
html[data-vi-theme="blue"] p,
html[data-vi-theme="blue"] li,
html[data-vi-theme="blue"] span,
html[data-vi-theme="blue"] label { color: #0d47a1; }
html[data-vi-theme="blue"] .hero-content h1 { color: #ffffff; }
html[data-vi-theme="blue"] .hero-content p { color: #e3f2fd; }
html[data-vi-theme="blue"] .hero { background-color: #1565c0; }
html[data-vi-theme="blue"] .section-alt { background-color: #bbdefb; }
html[data-vi-theme="blue"] .card {
  background-color: #ffffff;
  border-color: #1565c0;
}
html[data-vi-theme="blue"] .card h3 { color: #0d47a1; }
html[data-vi-theme="blue"] .card p { color: #1565c0; }
html[data-vi-theme="blue"] .card-icon { background-color: #e3f2fd; color: #0d47a1; }
html[data-vi-theme="blue"] .card-body { background-color: #ffffff; }
html[data-vi-theme="blue"] .card-meta { color: #1565c0; }
html[data-vi-theme="blue"] .card-meta span { color: #1565c0; }
html[data-vi-theme="blue"] .event-card {
  background-color: #ffffff;
  border-color: #1565c0;
}
html[data-vi-theme="blue"] .event-info h3 { color: #0d47a1; }
html[data-vi-theme="blue"] .event-info p { color: #1565c0; }
html[data-vi-theme="blue"] .event-date-badge { background-color: #1565c0; color: #ffffff; }
html[data-vi-theme="blue"] .event-tag { background-color: #bbdefb; color: #0d47a1; }
html[data-vi-theme="blue"] .page-header { background-color: #1565c0; }
html[data-vi-theme="blue"] .page-header h1 { color: #ffffff; }
html[data-vi-theme="blue"] .page-header p { color: #e3f2fd; }
html[data-vi-theme="blue"] .page-header-overlay { background: rgba(13,71,161,0.3); }
html[data-vi-theme="blue"] .hero-overlay { background: rgba(13,71,161,0.3); }
html[data-vi-theme="blue"] .stat-number { color: #0d47a1; }
html[data-vi-theme="blue"] .stat-label { color: #1565c0; }
html[data-vi-theme="blue"] .section-title { color: #0d47a1; }
html[data-vi-theme="blue"] .section-subtitle { color: #1565c0; }
html[data-vi-theme="blue"] .contact-info h4 { color: #0d47a1; }
html[data-vi-theme="blue"] .contact-info p { color: #1565c0; }
html[data-vi-theme="blue"] .contact-icon { background-color: #e3f2fd; color: #0d47a1; }
html[data-vi-theme="blue"] .form-group label { color: #0d47a1; }
html[data-vi-theme="blue"] .form-group input,
html[data-vi-theme="blue"] .form-group textarea {
  background-color: #ffffff;
  color: #0d47a1;
  border-color: #1565c0;
}
html[data-vi-theme="blue"] .form-section {
  background-color: #ffffff;
  border-color: #1565c0;
}
html[data-vi-theme="blue"] .map-placeholder {
  background-color: #bbdefb;
  color: #0d47a1;
}
html[data-vi-theme="blue"] .site-footer {
  background-color: #0d47a1;
  color: #e3f2fd;
}
html[data-vi-theme="blue"] .site-footer .footer-col h4 { color: #ffffff; }
html[data-vi-theme="blue"] .site-footer .footer-col p,
html[data-vi-theme="blue"] .site-footer .footer-col a { color: #bbdefb; }
html[data-vi-theme="blue"] .site-footer .footer-col a:hover { color: #ffffff; }
html[data-vi-theme="blue"] .footer-bottom { color: #64b5f6; border-top-color: #1565c0; }
html[data-vi-theme="blue"] .btn-primary {
  background-color: #0d47a1;
  color: #ffffff;
  border-color: #0d47a1;
}
html[data-vi-theme="blue"] .btn-primary:hover {
  background-color: #1565c0;
  color: #ffffff;
}
html[data-vi-theme="blue"] .btn-white {
  background-color: #ffffff;
  color: #0d47a1;
  border-color: #0d47a1;
}
html[data-vi-theme="blue"] .btn-white:hover {
  background-color: #e3f2fd;
  color: #0d47a1;
}
html[data-vi-theme="blue"] .btn-outline-white {
  color: #ffffff;
  border-color: rgba(255,255,255,0.5);
}
html[data-vi-theme="blue"] .btn-outline-white:hover {
  border-color: #ffffff;
  background-color: rgba(255,255,255,0.1);
  color: #ffffff;
}
html[data-vi-theme="blue"] .about-text h2 { color: #0d47a1; }
html[data-vi-theme="blue"] .about-text p { color: #1565c0; }
html[data-vi-theme="blue"] .menu-toggle span { background-color: #0d47a1; }
html[data-vi-theme="blue"] .vi-toggle-btn {
  background: #bbdefb;
  border-color: #1565c0;
  color: #0d47a1;
}
html[data-vi-theme="blue"] .main-nav { background-color: #bbdefb; }

/* ===================================
   УВЕЛИЧЕНИЕ ШРИФТОВ
   НЕ трогаем html font-size — меняем body
   =================================== */

html[data-vi-font="normal"] body {
  font-size: 18px;
  line-height: 1.8;
}
html[data-vi-font="medium"] body {
  font-size: 22px;
  line-height: 2.0;
}
html[data-vi-font="large"] body {
  font-size: 28px;
  line-height: 2.0;
}
html[data-vi-font="xlarge"] body {
  font-size: 36px;
  line-height: 2.0;
}

/* Заголовки масштабируются пропорционально */
html[data-vi-font] h1 { font-size: 2em; }
html[data-vi-font] h2 { font-size: 1.6em; }
html[data-vi-font] h3 { font-size: 1.3em; }
html[data-vi-font] h4 { font-size: 1.1em; }

/* Ограничиваем ширину строк по ГОСТ */
html[data-vi-font] p,
html[data-vi-font] li,
html[data-vi-font] td,
html[data-vi-font] th,
html[data-vi-font] label {
  max-width: 80ch;
}

/* Адаптивность кнопок при крупном шрифте */
html[data-vi-font="large"] .vi-btn-text,
html[data-vi-font="xlarge"] .vi-btn-text {
  font-size: 14px;
}

/* ===================================
   ИЗОБРАЖЕНИЯ — Grayscale
   =================================== */
html[data-vi-images="off"] img:not(.vi-theme-preview):not(.logo-icon):not(.vi-toggle-btn svg) {
  filter: grayscale(100%) !important;
  opacity: 0.6;
}
html[data-vi-images="off"] .hero-overlay {
  background: rgba(0,0,0,0.85) !important;
}
html[data-vi-images="off"] .page-header-overlay {
  background: rgba(0,0,0,0.85) !important;
}

/* ===================================
   АДАПТИВНОСТЬ ПАНЕЛИ + МОБИЛЬНАЯ КНОПКА
   =================================== */
@media (max-width: 768px) {
  /* Скрываем десктопную кнопку, показываем мобильную */
  .vi-toggle-desktop {
    display: none !important;
  }
  .vi-toggle-mobile {
    display: inline-flex !important;
    width: 100%;
    justify-content: center;
    padding: 12px 16px;
    margin-top: 8px;
    border-top: 1px solid #e2e8f0;
    background: #f8fafc;
    border-radius: 0 0 8px 8px;
  }
  .vi-toggle-mobile:hover {
    background: #e2e8f0;
  }
}

/* ===================================
   МОБИЛЬНАЯ АДАПТАЦИЯ — когда включён режим слабовидящих
   Предотвращает «развал» сайта при крупном шрифте
   =================================== */
@media (max-width: 768px) {
  /* Hero — уменьшаем padding */
  html[data-vi-font] .hero {
    min-height: auto;
  }
  html[data-vi-font] .hero-content {
    padding: 40px 16px;
  }
  html[data-vi-font] .hero h1 {
    font-size: 1.5em;
  }
  html[data-vi-font] .hero p {
    font-size: 1em;
  }

  /* Hero-buttons — вертикально */
  html[data-vi-font] .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  html[data-vi-font] .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  /* Сетки карточек — всегда одна колонка */
  html[data-vi-font] .cards-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }
  html[data-vi-font] .events-list {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }

  /* Карточки — уменьшаем padding */
  html[data-vi-font] .card-body {
    padding: 16px;
  }
  html[data-vi-font] .card-img {
    height: 160px;
  }
  html[data-vi-font] .event-info {
    padding: 16px;
  }
  html[data-vi-font] .event-card-img {
    height: 160px;
  }

  /* Заголовки — ограничиваем на мобильном */
  html[data-vi-font] .section-title {
    font-size: 1.4em;
  }
  html[data-vi-font] .section-subtitle {
    font-size: 1em;
  }

  /* About grid — вертикально */
  html[data-vi-font] .about-grid {
    grid-template-columns: 1fr !important;
    gap: 24px;
  }

  /* Статистика — компактно */
  html[data-vi-font] .about-stats {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 12px;
  }
  html[data-vi-font] .stat-number {
    font-size: 1.5em;
  }

  /* Контакты — вертикально */
  html[data-vi-font] .contacts-grid {
    grid-template-columns: 1fr !important;
    gap: 24px;
  }

  /* Footer — одна колонка */
  html[data-vi-font] .footer-grid {
    grid-template-columns: 1fr !important;
    gap: 24px;
  }

  /* Карта мета — уменьшаем */
  html[data-vi-font] .map-placeholder iframe {
    height: 200px;
  }

  /* Кнопки — полная ширина */
  html[data-vi-font] .btn {
    padding: 14px 20px;
    font-size: 1em;
  }

  /* Панель настроек — не масштабировать */
  .vi-panel {
    font-size: 16px !important;
    line-height: 1.5 !important;
  }
  .vi-panel-header h2 {
    font-size: 18px !important;
  }
  .vi-section h3 {
    font-size: 16px !important;
  }
}

@media (max-width: 480px) {
  .vi-panel {
    padding: 20px;
    width: 95%;
  }
  .vi-font-sizes {
    grid-template-columns: repeat(2, 1fr);
  }
  .vi-themes {
    grid-template-columns: 1fr;
  }

  /* Ещё компактнее при крупном шрифте */
  html[data-vi-font="large"] .hero-content,
  html[data-vi-font="xlarge"] .hero-content {
    padding: 30px 12px;
  }
  html[data-vi-font="large"] .hero h1,
  html[data-vi-font="xlarge"] .hero h1 {
    font-size: 1.3em;
  }
}