/* --- 1. Переменные и Базовый сброс --- */
.isu-widget-root {
  --isu-blue: #0062AF;
  --isu-blue-hover: #004e8c;
  --isu-bg: #f4f7fa;
  --isu-text: #333333;
  --isu-text-light: #666666;
  --isu-border: #dddddd;
  --isu-radius: 8px;
  --isu-font: 'Roboto', 'Segoe UI', Tahoma, sans-serif;
  --isu-sidebar-width: 350px;

  all: initial;
  display: block !important;
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  background-color: #fff;
  font-family: var(--isu-font);
  color: var(--isu-text);
  box-sizing: border-box;
  line-height: 1.5;
  font-size: 16px;
}

.isu-widget-root *,
.isu-widget-root *::before,
.isu-widget-root *::after {
  box-sizing: border-box;
  margin: 0;
  margin-block-end: 0;
  margin-inline-start: 0;
  padding: 0;
  outline: none;
}

/* --- 2. Layout (Сетка) --- */
.isu-widget-root .isu-header {
  display: flex;
  gap: 20px;
  margin-bottom: 30px;
  align-items: center;
  flex-wrap: wrap;
}

.isu-widget-root .isu-body {
  display: flex;
  gap: 30px;
  align-items: flex-start;
}

/* --- 3. Sidebar (Фильтры) --- */
.isu-widget-root .isu-sidebar {
  width: var(--isu-sidebar-width);
  flex-shrink: 0;
  background: #fff;
  padding-right: 20px;
  border-right: 1px solid var(--isu-border);
}

.isu-widget-root .isu-filter-group {
  margin-bottom: 25px;
  display: block;
}

.isu-widget-root .isu-filter-title {
  font-weight: 700;
  margin-bottom: 12px;
  display: block;
  font-size: 16px;
  color: var(--isu-text);
}

.isu-widget-root .isu-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--isu-blue);
  margin: 0 0 10px 0;
  line-height: 1.3;
  font-family: var(--isu-font);
  padding-right: 30px;
  transition: color 0.2s;
}

.isu-widget-root .isu-card-profile {
  font-size: 14px;
  font-weight: 700;
  color: var(--isu-blue);
  margin-bottom: 20px;
  line-height: 1.4;
}

.isu-widget-root .isu-checkbox-label {
  display: flex !important;
  align-items: center;
  margin-bottom: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--isu-text);
  font-weight: 400;
  line-height: 1.3;
}

.isu-widget-root .isu-checkbox-label:hover {
  color: var(--isu-blue);
}

.isu-widget-root .isu-checkbox-label input[type="checkbox"] {
  margin-right: 10px;
  width: 18px;
  height: 18px;
  accent-color: var(--isu-blue);
  cursor: pointer;
  border: 1px solid var(--isu-border);
  flex-shrink: 0;
  display: inline-block !important;
  -webkit-appearance: auto !important;
  appearance: auto !important;
  opacity: 1 !important;
  position: static !important;
}

.isu-widget-root .isu-hidden {
  display: none !important;
}

.isu-widget-root .isu-toggle-btn {
  color: var(--isu-blue);
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  cursor: pointer;
  text-decoration: underline;
  margin-top: 5px;
  font-family: var(--isu-font);
}

/* --- 4. Content (Карточки) --- */
.isu-widget-root .isu-content {
  flex-grow: 1;
  width: 100%;
  min-width: 0;
}

.isu-widget-root .js-search-input {
  flex-grow: 1;
  padding: 12px 15px;
  border: 1px solid var(--isu-border);
  border-radius: var(--isu-radius);
  font-size: 16px;
  font-family: var(--isu-font);
  background: #fff;
  color: #333;
  min-width: 200px;
}

.isu-widget-root .js-search-input:focus {
  border-color: var(--isu-blue);
  box-shadow: 0 0 0 3px rgba(0, 98, 175, 0.1);
}

.isu-widget-root .isu-fav-btn-main {
  padding: 12px 25px;
  background-color: white;
  color: var(--isu-blue);
  border: 1px solid var(--isu-blue);
  border-radius: var(--isu-radius);
  cursor: pointer;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
  font-family: var(--isu-font);
  font-size: 14px;
  white-space: nowrap;
}

.isu-widget-root .isu-fav-btn-main:hover {
  background-color: #f0f7ff;
}

.isu-widget-root .isu-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.isu-widget-root .isu-card {
  border: 1px solid var(--isu-border);
  border-radius: var(--isu-radius);
  padding: 20px;
  background: #fff;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
  position: relative;
  text-decoration: none;
  color: inherit;
}

.isu-widget-root .isu-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.08);
}

.isu-widget-root .isu-card-fav-icon {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  cursor: pointer;
  color: #ccc;
  padding: 5px;
  transition: color 0.2s, transform 0.1s;
  z-index: 2;
}

.isu-widget-root .isu-card-fav-icon:hover {
  color: var(--isu-blue);
  transform: scale(1.1);
}

.isu-widget-root .isu-card-fav-icon.is-active svg {
  fill: #e74c3c;
  color: #e74c3c;
}

.isu-widget-root .isu-card-code {
  font-size: 12px;
  color: var(--isu-text-light);
  background: #f0f0f0;
  padding: 4px 8px;
  border-radius: 4px;
  align-self: flex-start;
  margin-bottom: 10px;
  display: inline-block;
}

.isu-widget-root .isu-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 15px;
  margin-top: auto;
  padding-top: 15px;
  border-top: 1px solid #eee;
}

.isu-widget-root .isu-stat-item {
  display: flex;
  flex-direction: column;
}

.isu-widget-root .isu-stat-label {
  font-size: 11px;
  color: var(--isu-text-light);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.isu-widget-root .isu-stat-value {
  font-size: 15px;
  font-weight: 600;
  color: var(--isu-text);
}

.isu-widget-root .isu-sort-container {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  margin-bottom: 20px;
  gap: 10px;
}

.isu-widget-root .isu-sort-label {
  font-size: 14px;
  color: var(--isu-text-light);
}

.isu-widget-root .isu-sort-select {
  padding: 8px 12px;
  border: 1px solid var(--isu-border);
  border-radius: var(--isu-radius);
  font-family: var(--isu-font);
  font-size: 14px;
  color: var(--isu-text);
  background-color: #fff;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
}

.isu-widget-root .isu-mobile-filter-btn {
  display: none;
}

.isu-widget-root .isu-sidebar-header-mobile,
.isu-widget-root .isu-sidebar-footer-mobile,
.isu-widget-root .isu-sidebar-overlay {
  display: none;
}

.isu-widget-root .isu-search-wrapper {
  display: flex;
  flex-grow: 1;
  gap: 10px;
}

.isu-widget-root .isu-color-dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
  flex-shrink: 0;
}

.isu-widget-root .isu-card-faculty {
  font-size: 13px;
  color: var(--isu-text-light);
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.3;
}

.isu-widget-root .isu-card-faculty::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 21h18'/%3E%3Cpath d='M9 8h1'/%3E%3Cpath d='M9 12h1'/%3E%3Cpath d='M9 16h1'/%3E%3Cpath d='M14 8h1'/%3E%3Cpath d='M14 12h1'/%3E%3Cpath d='M14 16h1'/%3E%3Cpath d='M5 21V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2v16'/%3E%3C/svg%3E");
  background-size: contain;
  background-repeat: no-repeat;
  flex-shrink: 0;
  margin-top: 2px;
}

/* --- 5. Адаптивность --- */
@media (max-width: 1007px) {
  .isu-widget-root .isu-body {
    flex-direction: column;
  }

  .isu-widget-root .isu-header {
    flex-direction: column;
    align-items: stretch;
    gap: 15px;
  }

  .isu-widget-root .isu-search-wrapper {
    width: 100%;
  }

  .isu-widget-root .isu-mobile-filter-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 15px;
    background: #f4f7fa;
    border: 1px solid var(--isu-border);
    border-radius: var(--isu-radius);
    color: var(--isu-text);
    font-family: var(--isu-font);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
  }

  .isu-widget-root .isu-sidebar {
    position: fixed;
    top: 0;
    left: -100%;
    width: 85%;
    max-width: 350px;
    height: 100vh;
    background: #fff;
    z-index: 9999;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    padding: 0;
    border: none;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
  }

  .isu-widget-root .isu-sidebar.is-open {
    left: 0;
  }

  .isu-widget-root .isu-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .isu-widget-root .isu-sidebar-overlay.is-open {
    display: block;
    opacity: 1;
  }

  .isu-widget-root .isu-sidebar-header-mobile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--isu-border);
  }

  .isu-widget-root .isu-sidebar-header-mobile h3 {
    margin: 0;
    font-size: 18px;
    color: var(--isu-text);
  }

  .isu-widget-root .isu-close-filters {
    background: none;
    border: none;
    font-size: 28px;
    line-height: 1;
    color: var(--isu-text-light);
    cursor: pointer;
  }

  .isu-widget-root .isu-sidebar-content {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
    display: block;
  }

  .isu-widget-root .isu-sidebar-footer-mobile {
    display: block;
    padding: 20px;
    border-top: 1px solid var(--isu-border);
    background: #fff;
  }

  .isu-widget-root .isu-apply-filters-btn {
    width: 100%;
    padding: 12px;
    background: var(--isu-blue);
    color: #fff;
    border: none;
    border-radius: var(--isu-radius);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
  }

  .isu-widget-root .js-search-input {
    flex: none !important;
    width: 100% !important;
    min-height: 48px;
    display: block !important;
  }
}

@media (max-width: 767px) {
  .isu-widget-root .isu-sidebar-content {
    grid-template-columns: 1fr;
  }
  .isu-widget-root .isu-header {
    flex-direction: column;
    align-items: stretch;
  }
  .isu-widget-root .isu-fav-btn-main {
    justify-content: center;
  }
}

@media (max-width: 575px) {
  .isu-widget-root .isu-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* --- Стили для всплывающей подсказки (Tooltip) --- */
.isu-filter-title-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
}

.isu-tooltip-container {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: help;
  outline: none; /* Убираем обводку при клике */
}

.isu-info-icon {
  color: #888;
  transition: color 0.2s ease;
}

.isu-tooltip-container:hover .isu-info-icon,
.isu-tooltip-container:focus .isu-info-icon {
  color: #0062AF; /* Синий цвет ИГУ при наведении */
}

/* --- Стили для всплывающей подсказки (Изолированные) --- */
.isu-widget-root .isu-filter-title-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
  margin-top: 0; /* Сброс внешнего margin */
}

.isu-widget-root .isu-tooltip-container {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: help;
  outline: none;
  margin: 0; /* Сброс внешнего margin */
  padding: 0;
}

.isu-widget-root .isu-info-icon {
  color: #888;
  transition: color 0.2s ease;
  display: block;
}

.isu-widget-root .isu-tooltip-container:hover .isu-info-icon,
.isu-widget-root .isu-tooltip-container:focus .isu-info-icon {
  color: #0062AF;
}

.isu-widget-root .isu-tooltip-text {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 130%;
  left: 50%;
  transform: translateX(-50%) translateY(5px);
  width: 240px;
  background-color: #212529 !important;
  color: #ffffff !important;
  text-align: center !important;
  padding: 12px !important;
  border-radius: 6px;
  font-size: 13px !important;
  font-weight: normal !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  z-index: 100;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  pointer-events: none;
  box-sizing: border-box !important;
}

/* Треугольник (стрелочка) вниз */
.isu-widget-root .isu-tooltip-text::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -6px;
  border-width: 6px;
  border-style: solid;
  border-color: #212529 transparent transparent transparent;
}

/* Показываем при наведении */
.isu-widget-root .isu-tooltip-container:hover .isu-tooltip-text,
.isu-widget-root .isu-tooltip-container:focus .isu-tooltip-text {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Адаптив для мобильных устройств */
@media (max-width: 768px) {
  .isu-widget-root .isu-tooltip-text {
    left: 0;
    transform: translateX(-85px) translateY(5px);
  }

  .isu-widget-root .isu-tooltip-container:hover .isu-tooltip-text,
  .isu-widget-root .isu-tooltip-container:focus .isu-tooltip-text {
    transform: translateX(-85px) translateY(0);
  }

  .isu-widget-root .isu-tooltip-text::after {
    left: 93px;
  }
}

/* --- Кнопка сброса фильтров --- */
.isu-widget-root .isu-reset-wrapper {
  margin-bottom: 20px;
}

.isu-widget-root .isu-reset-filters-btn {
  width: 100%;
  padding: 10px;
  background-color: #f8f9fa !important;
  border: 1px solid #dee2e6;
  color: #dc3545 !important;
  border-radius: 5px;
  cursor: pointer;
  /*font-size: 0.9rem;*/
  font-family: inherit;
  font-weight: bold;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.isu-widget-root .isu-reset-filters-btn:hover {
  background-color: #dc3545;
  color: white;
  border-color: #dc3545;
}