:root {
  --rfb-h: 56px;
  --rfb-max: 1200px;
  --rfb-bg: linear-gradient(135deg, #e0f3ff 0%, #b3e5fc 100%);
  --rfb-primary: #60b6ff;
  --rfb-primary-dark: #2a9df7;
  --rfb-text: #222;
  --rfb-border: rgba(0,0,0,.08);
  --rfb-shadow: 0 -4px 16px rgba(0,0,0,.1);
  --rfb-radius: 14px;
  --rfb-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --safe-area: env(safe-area-inset-bottom, 0px);
}

html.rfb-hasbar body { 
  padding-bottom: calc(var(--rfb-h) + var(--safe-area)); 
}

.rfb-footerbar {
  position: fixed; 
  left: 50%; 
  transform: translateX(-50%);
  bottom: 20px; 
  z-index: 9999;
  background: var(--rfb-bg);
  border: 1px solid var(--rfb-border);
  box-shadow: var(--rfb-shadow);
  padding: 12px 16px;
  width: min(90%, 1000px);
  max-width: var(--rfb-max);
  border-radius: var(--rfb-radius);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--rfb-transition);
}

.rfb-footerbar:hover {
  box-shadow: 0 -6px 24px rgba(0,0,0,.15);
  transform: translateX(-50%) translateY(-2px);
}

.rfb-footerbar__inner {
  max-width: var(--rfb-max); 
  margin: 0 auto;
  display: grid; 
  grid-template-rows: auto auto; 
  gap: 12px;
}

.rfb-head {
  display: flex; 
  justify-content: space-between;
  align-items: center;
  gap: 15px;
}

.rfb-toggle-btn {
  background: linear-gradient(135deg, var(--rfb-primary), var(--rfb-primary-dark));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  box-shadow: 0 2px 8px rgba(96, 182, 255, 0.3);
  transition: var(--rfb-transition);
  min-height: 36px;
}

.rfb-toggle-btn:hover {
  filter: brightness(1.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(96, 182, 255, 0.4);
}

.rfb-toggle-btn:active {
  transform: translateY(0);
}

.rfb-toggle-btn:focus-visible {
  outline: 2px solid var(--rfb-primary);
  outline-offset: 2px;
}

/* Стили для поиска */
.rfb-search {
  flex: 1;
  max-width: 300px;
}

.rfb-search-form {
  display: flex;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: var(--rfb-transition);
}

.rfb-search-form:focus-within {
  box-shadow: 0 4px 12px rgba(96, 182, 255, 0.3);
  transform: translateY(-1px);
}

.rfb-search-input {
  flex: 1;
  border: none;
  padding: 10px 14px;
  background: transparent;
  font-size: 14px;
  outline: none;
  color: var(--rfb-text);
}

.rfb-search-input::placeholder {
  color: #666;
}

.rfb-search-submit {
  background: var(--rfb-primary);
  border: none;
  padding: 10px 14px;
  cursor: pointer;
  color: white;
  transition: var(--rfb-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rfb-search-submit:hover {
  background: var(--rfb-primary-dark);
}

/* Быстрые ссылки */
.rfb-quick-links {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}

.rfb-quick-links-label {
  font-weight: 600;
  color: var(--rfb-text);
  white-space: nowrap;
  font-size: 14px;
}

.rfb-quick-links-list {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.rfb-quick-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  text-decoration: none;
  color: var(--rfb-text);
  font-size: 13px;
  transition: var(--rfb-transition);
  border: 1px solid transparent;
}

.rfb-quick-link:hover {
  background: rgba(255, 255, 255, 0.9);
  border-color: var(--rfb-primary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.rfb-quick-link-icon {
  font-size: 14px;
}

.rfb-body { 
  display: flex; 
  flex-direction: column;
  gap: 12px;
}

.rfb-nav .rfb-menu { 
  display: flex; 
  gap: 16px; 
  list-style: none; 
  margin: 0; 
  padding: 0; 
  flex-wrap: wrap;
  justify-content: center;
}

.rfb-nav .rfb-menu a { 
  text-decoration: none; 
  color: var(--rfb-text);
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--rfb-transition);
  font-weight: 500;
  position: relative;
}

.rfb-nav .rfb-menu a:hover {
  background: rgba(255, 255, 255, 0.7);
  transform: translateY(-1px);
}

.rfb-nav .rfb-menu a:focus-visible { 
  outline: 2px solid var(--rfb-primary); 
  outline-offset: 2px;
}

.rfb-nav .rfb-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--rfb-primary);
  transition: var(--rfb-transition);
  transform: translateX(-50%);
}

.rfb-nav .rfb-menu a:hover::after {
  width: 80%;
}

.rfb-cats { 
  margin: 0 auto; 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  flex-wrap: wrap;
  justify-content: center;
}

.rfb-chips { 
  display: flex; 
  gap: 8px; 
  flex-wrap: wrap; 
  justify-content: center; 
}

.rfb-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  color: var(--rfb-text);
  line-height: 1;
  font-size: 13px;
  transition: var(--rfb-transition);
  border: 1px solid transparent;
  backdrop-filter: blur(5px);
}

.rfb-chip:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: var(--rfb-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.rfb-chip:focus-visible {
  outline: 2px solid var(--rfb-primary);
  outline-offset: 2px;
}

.rfb-chip-count {
  background: var(--rfb-primary);
  color: white;
  border-radius: 10px;
  padding: 2px 6px;
  font-size: 11px;
  font-weight: 600;
  min-width: 18px;
  text-align: center;
}

.rfb-more-btn {
  appearance: none;
  border: 1px solid rgba(0,0,0,.15);
  background: rgba(255, 255, 255, 0.9);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--rfb-text);
  font-weight: 500;
  transition: var(--rfb-transition);
  backdrop-filter: blur(5px);
}

.rfb-more-btn:hover {
  background: rgba(255, 255, 255, 1);
  border-color: var(--rfb-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.rfb-more-btn .rfb-more-icon {
  transition: transform 0.3s ease;
}

.rfb-more-btn[aria-expanded="true"] .rfb-more-icon {
  transform: rotate(180deg);
}

.rfb-hide { 
  display: none !important; 
}

/* Collapsed state */
.rfb-footerbar.rfb-collapsed .rfb-body { 
  display: none; 
}

.rfb-footerbar.rfb-collapsed { 
  padding-top: 8px; 
  padding-bottom: 8px; 
  backdrop-filter: blur(20px);
}

.rfb-footerbar.rfb-collapsed .rfb-toggle-icon { 
  transform: rotate(180deg); 
}

/* Кнопка "Наверх" */
.rfb-top-btn {
  position: fixed;
  right: 30px;
  bottom: 100px;
  background: linear-gradient(135deg, var(--rfb-primary), var(--rfb-primary-dark));
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(96, 182, 255, 0.4);
  opacity: 0;
  transition: var(--rfb-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 10000;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.rfb-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
}

.rfb-top-btn:hover {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 6px 20px rgba(96, 182, 255, 0.6);
}

.rfb-top-btn:active {
  transform: scale(1.05) translateY(0);
}

/* Анимации */
@keyframes rfbSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

.rfb-footerbar {
  animation: rfbSlideIn 0.5s ease-out;
}

@keyframes rfbPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.rfb-toggle-btn:focus {
  animation: rfbPulse 0.6s ease-in-out;
}

/* Мобильная адаптация */
@media (max-width: 768px) {
  :root {
    --rfb-h: 70px;
  }
  
  .rfb-footerbar {
    width: 95%;
    bottom: 10px;
    padding: 10px 12px;
  }
  
  .rfb-head {
    flex-direction: column;
    gap: 8px;
  }
  
  .rfb-search {
    max-width: 100%;
    order: -1;
  }
  
  .rfb-toggle-btn {
    align-self: flex-end;
    min-height: 32px;
    padding: 6px 12px;
    font-size: 13px;
  }
  
  .rfb-nav .rfb-menu {
    gap: 8px;
    justify-content: center;
  }
  
  .rfb-nav .rfb-menu a {
    padding: 4px 8px;
    font-size: 13px;
  }
  
  .rfb-quick-links {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  
  .rfb-quick-links-list {
    width: 100%;
    justify-content: center;
  }
  
  .rfb-chips {
    gap: 6px;
  }
  
  .rfb-chip {
    padding: 4px 10px;
    font-size: 12px;
  }
  
  .rfb-top-btn {
    right: 15px;
    bottom: 80px;
    width: 44px;
    height: 44px;
  }
}

@media (max-width: 480px) {
  .rfb-footerbar {
    border-radius: 12px;
    width: 98%;
  }
  
  .rfb-nav .rfb-menu {
    gap: 6px;
  }
  
  .rfb-nav .rfb-menu a {
    padding: 3px 6px;
    font-size: 12px;
  }
  
  .rfb-chip {
    padding: 3px 8px;
    font-size: 11px;
  }
  
  .rfb-more-btn {
    padding: 6px 10px;
    font-size: 12px;
  }
}

/* Поддержка prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  :root {
    --rfb-transition: none;
  }
  
  .rfb-footerbar,
  .rfb-toggle-btn,
  .rfb-chip,
  .rfb-quick-link,
  .rfb-top-btn,
  .rfb-nav .rfb-menu a,
  .rfb-more-btn {
    transition: none !important;
    animation: none !important;
  }
  
  .rfb-footerbar:hover {
    transform: translateX(-50%);
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .rfb-footerbar {
    background: #fff;
    border: 2px solid #000;
  }
  
  .rfb-chip,
  .rfb-quick-link,
  .rfb-more-btn {
    background: #fff;
    border: 1px solid #000;
  }
  
  .rfb-toggle-btn,
  .rfb-top-btn {
    background: #000;
    color: #fff;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --rfb-bg: linear-gradient(135deg, #1e3a5f 0%, #2d4a75 100%);
    --rfb-text: #e0e0e0;
    --rfb-border: rgba(255,255,255,.1);
    --rfb-shadow: 0 -4px 16px rgba(0,0,0,.3);
  }
  
  .rfb-search-form {
    background: rgba(255, 255, 255, 0.1);
  }
  
  .rfb-search-input {
    color: #e0e0e0;
  }
  
  .rfb-search-input::placeholder {
    color: #aaa;
  }
  
  .rfb-quick-link,
  .rfb-chip,
  .rfb-more-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #e0e0e0;
  }
  
  .rfb-nav .rfb-menu a:hover {
    background: rgba(255, 255, 255, 0.15);
  }
}

/* RTL support */
[dir="rtl"] .rfb-footerbar__inner { 
  direction: rtl; 
}

[dir="rtl"] .rfb-top-btn {
  right: auto;
  left: 30px;
}

[dir="rtl"] .rfb-head {
  direction: rtl;
}

[dir="rtl"] .rfb-toggle-icon,
[dir="rtl"] .rfb-more-icon {
  transform: scaleX(-1);
}

/* Print styles */
@media print {
  .rfb-footerbar,
  .rfb-top-btn {
    display: none !important;
  }
  
  html.rfb-hasbar body {
    padding-bottom: 0 !important;
  }
}