/**
 * AI-Биржа: Мобильное бургер-меню
 */

/* ===== Бургер-кнопка ===== */
.ai-burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
  border-radius: 12px;
  transition: background 0.2s;
}

.ai-burger:hover {
  background: rgba(30, 120, 255, 0.1);
}

.ai-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: #13233F;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.ai-burger.open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.ai-burger.open span:nth-child(2) {
  opacity: 0;
}

.ai-burger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Overlay ===== */
.ai-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(19, 35, 63, 0.5);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
  z-index: 1000;
}

.ai-menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

/* ===== Боковое меню (Sidebar) ===== */
.ai-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 280px;
  max-width: 85vw;
  height: 100%;
  background: linear-gradient(180deg, #F8FBFF 0%, #EEF3FA 100%);
  box-shadow: 4px 0 24px rgba(19, 35, 63, 0.15);
  transform: translateX(-100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1002;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.ai-sidebar.open {
  transform: translateX(0);
}

/* ===== Шапка сайдбара ===== */
.ai-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(163, 177, 198, 0.25);
  background: rgba(255, 255, 255, 0.5);
}

.ai-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #13233F;
  font-weight: 800;
  font-size: 16px;
}

.ai-sidebar-logo {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: 
    url("/images/ai-logo.png") center / cover no-repeat,
    linear-gradient(135deg, #1E78FF 0%, #00B7FF 100%);
}

/* Фоллбек для лого в шапке (если на странице нет своих стилей .logo) */
.brand .logo,
.nav .brand .logo,
header .brand .logo{
  border-radius: 50%;
  background:
    url("/images/ai-logo.png") center / cover no-repeat,
    linear-gradient(135deg, #1E78FF 0%, #00B7FF 100%);
}

.ai-sidebar-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: rgba(163, 177, 198, 0.15);
  border: none;
  border-radius: 50%;
  font-size: 18px;
  color: #5B6C86;
  cursor: pointer;
  transition: all 0.2s;
}

.ai-sidebar-close:hover {
  background: rgba(229, 57, 53, 0.1);
  color: #E53935;
}

/* ===== Навигация в сайдбаре ===== */
.ai-sidebar-nav {
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 4px;
}

.ai-sidebar-link {
  display: block;
  padding: 14px 16px;
  color: #13233F;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border-radius: 12px;
  transition: all 0.2s;
}

.ai-sidebar-link:hover,
.ai-sidebar-link:focus {
  background: rgba(30, 120, 255, 0.08);
  color: #1E78FF;
}

.ai-sidebar-btn {
  display: block;
  padding: 14px 16px;
  margin-top: 8px;
  text-align: center;
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  border-radius: 14px;
  background: #EEF3FA;
  color: #13233F;
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: 6px 6px 14px rgba(163, 177, 198, 0.35), -6px -6px 14px rgba(255, 255, 255, 0.9);
  transition: all 0.2s;
}

.ai-sidebar-btn:hover {
  transform: translateY(-1px);
  box-shadow: 8px 8px 18px rgba(163, 177, 198, 0.4), -8px -8px 18px rgba(255, 255, 255, 0.95);
}

.ai-sidebar-btn.primary {
  background: linear-gradient(135deg, #1E78FF 0%, #00B7FF 100%);
  color: #fff;
  border-color: rgba(30, 120, 255, 0.18);
  box-shadow: 8px 8px 18px rgba(30, 120, 255, 0.25), -6px -6px 14px rgba(255, 255, 255, 0.7);
}

.ai-sidebar-btn.primary:hover {
  filter: brightness(1.05);
}

/* ===== Универсальная модалка авторизации (iframe auth.html) ===== */
.ai-auth-modal{
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.ai-auth-modal.open{
  display: flex;
}

.ai-auth-modal-overlay{
  position: absolute;
  inset: 0;
  background: rgba(19, 35, 63, 0.55);
  backdrop-filter: blur(6px);
}

.ai-auth-modal-card{
  position: relative;
  width: min(92vw, 520px);
  height: min(86vh, 740px);
  background: rgba(255,255,255,0.92);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 18px 60px rgba(19,35,63,.35);
  border: 1px solid rgba(255,255,255,0.65);
}

.ai-auth-modal-close{
  position: absolute;
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: rgba(30,120,255,0.12);
  color: #1E78FF;
  font-size: 28px;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.ai-auth-iframe{
  width: 100%;
  height: 100%;
  border: 0;
  background: transparent;
}

/* ===== Мобильные стили ===== */
@media (max-width: 900px) {
  .ai-burger {
    display: flex !important;
  }
  
  /* Скрываем десктопную навигацию */
  .nav-links,
  nav.nav-links,
  .nav .nav-links,
  header .nav-links,
  .nav-inner .nav-links,
  .container.nav-inner .nav-links,
  header.nav .container.nav-inner .nav-links,
  #allrecords .nav-links {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    left: -9999px !important;
  }
  
  .nav-cta,
  .nav .nav-cta,
  header .nav-cta,
  .nav-inner .nav-cta,
  .container.nav-inner .nav-cta,
  header.nav .container.nav-inner .nav-cta,
  #allrecords .nav-cta {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
    overflow: hidden !important;
    position: absolute !important;
    left: -9999px !important;
  }
  
  /* Хедер на мобильном - компактный */
  .nav-inner,
  .nav .nav-inner,
  header .nav-inner,
  .container.nav-inner {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 8px 16px !important;
    min-height: auto !important;
    height: auto !important;
    max-height: 56px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    gap: 10px !important;
    overflow: visible !important;
  }
  
  /* Кнопка меню внутри контейнера */
  .ai-burger {
    position: relative !important;
    right: auto !important;
    margin-left: auto !important;
    margin-right: 8px !important;
    flex-shrink: 0 !important;
  }
  
  .nav-inner .brand,
  .nav .brand,
  header .brand {
    flex: 0 1 auto !important;
  }
  
  /* Текст бренда на мобильном - в одну строку */
  .brand,
  .nav .brand,
  a.brand {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    visibility: visible !important;
    opacity: 1 !important;
    overflow: visible !important;
    max-width: none !important;
    flex: 1 1 auto !important;
  }
  
  .brand span:not(.logo),
  .nav .brand span:not(.logo),
  a.brand span:not(.logo) {
    display: block !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    white-space: nowrap !important;
    color: #13233F !important;
    visibility: visible !important;
    opacity: 1 !important;
    overflow: visible !important;
    text-overflow: unset !important;
    max-width: none !important;
  }
  
  .brand .logo,
  .nav .brand .logo,
  a.brand .logo {
    width: 32px !important;
    height: 32px !important;
    flex-shrink: 0 !important;
  }
}

/* Супер-специфичные оверрайды для Тильды (index.html иногда перерисовывает/прячет бренд) */
@media (max-width: 900px) {
  #allrecords .nav-inner a.brand,
  .t-records .nav-inner a.brand,
  header.nav .nav-inner a.brand,
  .nav-inner a.brand {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
  }

  #allrecords .nav-inner a.brand .logo,
  .t-records .nav-inner a.brand .logo,
  header.nav .nav-inner a.brand .logo,
  .nav-inner a.brand .logo {
    display: block !important;
    width: 32px !important;
    height: 32px !important;
  }
  
  /* Текст бренда должен быть видимым */
  #allrecords .nav-inner a.brand span:not(.logo),
  .t-records .nav-inner a.brand span:not(.logo),
  header.nav .nav-inner a.brand span:not(.logo),
  .nav-inner a.brand span:not(.logo) {
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    white-space: nowrap !important;
    color: #13233F !important;
  }
}

/* Очень узкие телефоны: уменьшаем размер шрифта, но НЕ скрываем бренд */
@media (max-width: 360px) {
  .brand span:not(.logo),
  .nav .brand span:not(.logo),
  a.brand span:not(.logo) {
    font-size: 11px !important;
  }
}

/* На совсем маленьких экранах */
@media (max-width: 400px) {
  .ai-sidebar {
    width: 100%;
    max-width: 100%;
  }
  
  .ai-sidebar-link,
  .ai-sidebar-btn {
    font-size: 16px;
    padding: 16px;
  }
}

/* ===== Нижняя навигация (Bottom Navigation Bar) ===== */
/* Статичная панель - всегда показываем иконки И текст */

#ai-bottom-nav,
.ai-bottom-nav {
  display: none !important;
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 64px !important;
  min-height: 64px !important;
  max-height: 64px !important;
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.98) 0%, rgba(238, 243, 250, 0.98) 100%) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-top: 1px solid rgba(163, 177, 198, 0.25) !important;
  box-shadow: 0 -4px 20px rgba(19, 35, 63, 0.08) !important;
  z-index: 99999 !important;
  padding: 0 4px !important;
  padding-bottom: env(safe-area-inset-bottom, 0) !important;
  transform: none !important;
  opacity: 1 !important;
  visibility: visible !important;
}

#ai-bottom-nav .ai-bottom-nav-inner,
.ai-bottom-nav .ai-bottom-nav-inner,
.ai-bottom-nav-inner {
  display: flex !important;
  justify-content: space-around !important;
  align-items: center !important;
  height: 100% !important;
  max-width: 500px !important;
  margin: 0 auto !important;
  flex-wrap: nowrap !important;
}

#ai-bottom-nav .ai-bottom-nav-item,
.ai-bottom-nav .ai-bottom-nav-item,
.ai-bottom-nav-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 3px !important;
  flex: 1 !important;
  min-width: 0 !important;
  height: 100% !important;
  padding: 6px 2px !important;
  background: transparent !important;
  border: none !important;
  cursor: pointer !important;
  text-decoration: none !important;
  color: #5B6C86 !important;
  transition: color 0.2s ease, transform 0.15s ease !important;
  -webkit-tap-highlight-color: transparent !important;
  opacity: 1 !important;
  visibility: visible !important;
  transform: none !important;
}

#ai-bottom-nav .ai-bottom-nav-item:hover,
#ai-bottom-nav .ai-bottom-nav-item:focus,
.ai-bottom-nav .ai-bottom-nav-item:hover,
.ai-bottom-nav .ai-bottom-nav-item:focus,
.ai-bottom-nav-item:hover,
.ai-bottom-nav-item:focus {
  color: #1E78FF !important;
}

#ai-bottom-nav .ai-bottom-nav-item:active,
.ai-bottom-nav .ai-bottom-nav-item:active,
.ai-bottom-nav-item:active {
  transform: scale(0.95) !important;
}

#ai-bottom-nav .ai-bottom-nav-item.active,
.ai-bottom-nav .ai-bottom-nav-item.active,
.ai-bottom-nav-item.active {
  color: #1E78FF !important;
}

#ai-bottom-nav .ai-bottom-nav-icon,
.ai-bottom-nav .ai-bottom-nav-icon,
.ai-bottom-nav-icon {
  width: 24px !important;
  height: 24px !important;
  min-width: 24px !important;
  min-height: 24px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  opacity: 1 !important;
  visibility: visible !important;
}

#ai-bottom-nav .ai-bottom-nav-icon svg,
.ai-bottom-nav .ai-bottom-nav-icon svg,
.ai-bottom-nav-icon svg {
  width: 22px !important;
  height: 22px !important;
  fill: none !important;
  stroke: currentColor !important;
  stroke-width: 1.8 !important;
  stroke-linecap: round !important;
  stroke-linejoin: round !important;
}

/* ВАЖНО: Названия кнопок всегда видимы */
#ai-bottom-nav .ai-bottom-nav-label,
.ai-bottom-nav .ai-bottom-nav-label,
.ai-bottom-nav-label {
  display: block !important;
  font-size: 10px !important;
  font-weight: 600 !important;
  line-height: 1.2 !important;
  text-align: center !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  max-width: 100% !important;
  opacity: 1 !important;
  visibility: visible !important;
  height: auto !important;
  min-height: 12px !important;
  transform: none !important;
}

/* Показываем нижнюю навигацию только на мобильных */
@media (max-width: 900px) {
  #ai-bottom-nav,
  .ai-bottom-nav {
    display: block !important;
  }
  
  /* Добавляем отступ снизу для контента, чтобы не перекрывался навигацией */
  body {
    padding-bottom: calc(64px + env(safe-area-inset-bottom, 0)) !important;
  }
  
  /* Footer не должен быть скрыт под навигацией */
  .footer,
  footer {
    margin-bottom: 0 !important;
    padding-bottom: 20px !important;
  }
}

/* Еще более узкие экраны - уменьшаем шрифт, но НЕ скрываем */
@media (max-width: 360px) {
  #ai-bottom-nav .ai-bottom-nav-label,
  .ai-bottom-nav .ai-bottom-nav-label,
  .ai-bottom-nav-label {
    font-size: 9px !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
  }
  
  #ai-bottom-nav .ai-bottom-nav-icon svg,
  .ai-bottom-nav .ai-bottom-nav-icon svg,
  .ai-bottom-nav-icon svg {
    width: 20px !important;
    height: 20px !important;
  }
}