/* Two-level catalog tree — tcmo illustration theme */
.catalog-tree {
  margin-bottom: 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,0.94) 0%, rgba(232,243,252,0.92) 100%);
  border: 1px solid rgba(186, 214, 240, 0.75);
  box-shadow: 0 10px 28px rgba(30, 64, 120, 0.06);
  overflow: hidden;
  font-family: Inter, system-ui, sans-serif;
}
.catalog-tree__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px 8px;
  padding: 12px 14px;
  font-weight: 550;
  font-size: 15px;
  letter-spacing: 0.01em;
  text-transform: none;
  color: #232f3e;
  background: linear-gradient(118deg, rgba(147,197,253,0.28) 0%, rgba(255,255,255,0.55) 50%, rgba(224,242,254,0.4) 100%);
  border-bottom: 1px solid rgba(186, 214, 240, 0.55);
}
.catalog-tree__head-title {
  font-weight: 550;
  font-size: 15px;
  color: #232f3e;
}
.catalog-tree__open-modal {
  font-weight: 450;
  font-size: 12.5px;
  color: #3a6ea5;
  text-decoration: none;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.2;
}
.catalog-tree__open-modal:hover {
  color: #1e4a7a;
  text-decoration: underline;
}
.catalog-tree__list {
  list-style: none;
  margin: 0;
  padding: 6px;
  max-height: min(70vh, 720px);
  overflow: auto;
}
.catalog-tree__item + .catalog-tree__item {
  margin-top: 2px;
}
.catalog-tree__row {
  display: flex;
  align-items: stretch;
  gap: 0;
  border-radius: 10px;
}
.catalog-tree__link {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 6px 8px;
  border-radius: 10px 0 0 10px;
  color: #232f3e;
  text-decoration: none;
  font-weight: 650;
  font-size: 13px;
  line-height: 1.25;
  transition: background .15s ease;
}
.catalog-tree__link:hover {
  background: rgba(126, 182, 255, 0.18);
}
.catalog-tree__item.is-current > .catalog-tree__row > .catalog-tree__link {
  background: rgba(254, 209, 0, 0.22);
}

.catalog-tree__label {
  flex: 1;
  min-width: 0;
}
.catalog-tree__toggle {
  flex: 0 0 34px;
  width: 34px;
  align-self: stretch;
  min-height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: #5a6b7d;
  border-radius: 0 10px 10px 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
  transition: background .15s ease, color .15s ease;
}
.catalog-tree__toggle:hover {
  background: rgba(126, 182, 255, 0.18);
  color: #232f3e;
}
.catalog-tree__item.is-open > .catalog-tree__row > .catalog-tree__toggle svg {
  transform: rotate(180deg);
}
.catalog-tree__toggle svg {
  transition: transform .18s ease;
}
.catalog-tree__children {
  list-style: none;
  margin: 0 0 6px 18px;
  padding: 2px 0 6px 16px;
  border-left: 2px solid rgba(126, 182, 255, 0.45);
}
.catalog-tree__child {
  display: block;
  padding: 6px 8px;
  border-radius: 8px;
  color: #3a4a5c;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 550;
  line-height: 1.3;
}
.catalog-tree__child:hover {
  background: rgba(126, 182, 255, 0.14);
  color: #1e4a7a;
}
.catalog-tree__child.is-active {
  background: rgba(254, 209, 0, 0.28);
  color: #232f3e;
  font-weight: 700;
}
@media (max-width: 900px) {
  .catalog-tree__list { max-height: none; }
}

/* icon column: frame ONLY here */
.catalog-tree__link {
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
  padding: 6px 8px !important;
  box-sizing: border-box;
}
.catalog-tree__icon {
  box-sizing: border-box;
  flex: 0 0 36px !important;
  width: 36px !important;
  height: 36px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 1px solid #BAD6F0 !important;
  border-radius: 8px !important;
  display: block !important;
  object-fit: contain !important;
  object-position: center !important;
  background: #fff !important;
  box-shadow: none !important;
  outline: none !important;
}

/* ——— Catalog modal (drill-down) ——— */
.catalog-modal {
  position: fixed;
  inset: 0;
  z-index: 100100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .22s ease, visibility .22s ease;
}
.catalog-modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.catalog-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 36, 58, 0.48);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.catalog-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(880px, 100%);
  max-height: min(88vh, 860px);
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  overflow: hidden;
  background: linear-gradient(165deg, #ffffff 0%, #f3f8fd 55%, #e8f3fc 100%);
  border: 1px solid rgba(186, 214, 240, 0.9);
  box-shadow:
    0 24px 64px rgba(20, 40, 70, 0.22),
    0 0 0 1px rgba(255, 255, 255, 0.6) inset;
  transform: translateY(12px) scale(0.98);
  transition: transform .24s ease;
  font-family: Inter, system-ui, sans-serif;
}
.catalog-modal.is-open .catalog-modal__dialog {
  transform: translateY(0) scale(1);
}
.catalog-modal__top {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(186, 214, 240, 0.65);
  background: linear-gradient(118deg, rgba(147,197,253,0.22) 0%, rgba(255,255,255,0.7) 55%, rgba(224,242,254,0.35) 100%);
}
.catalog-modal__heading {
  flex: 1;
  min-width: 0;
}
.catalog-modal__title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: #232f3e;
  letter-spacing: 0.01em;
  line-height: 1.25;
}
.catalog-modal__crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  margin-top: 4px;
  min-height: 0;
}
.catalog-modal__crumb {
  border: 0;
  background: none;
  padding: 0;
  font: inherit;
  font-size: 12px;
  font-weight: 500;
  color: #3a6ea5;
  cursor: pointer;
}
.catalog-modal__crumb:hover {
  text-decoration: underline;
}
.catalog-modal__crumb.is-current {
  color: #6a7b8d;
  cursor: default;
}
.catalog-modal__crumb-sep {
  color: #a0b0c0;
  font-size: 12px;
}
.catalog-modal__back,
.catalog-modal__close {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.75);
  color: #5a6b7d;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .15s ease, color .15s ease;
}
.catalog-modal__back:hover,
.catalog-modal__close:hover {
  background: rgba(126, 182, 255, 0.25);
  color: #232f3e;
}
.catalog-modal__back[hidden] {
  display: none !important;
}
.catalog-modal__search {
  padding: 12px 16px 0;
}
.catalog-modal__search-input {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid rgba(186, 214, 240, 0.9);
  border-radius: 12px;
  padding: 11px 14px;
  font-size: 14px;
  font-family: inherit;
  color: #232f3e;
  background: #fff;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.catalog-modal__search-input:focus {
  border-color: #7eb6ff;
  box-shadow: 0 0 0 3px rgba(126, 182, 255, 0.25);
}
.catalog-modal__search-input::placeholder {
  color: #8a9aac;
}
.catalog-modal__layout {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
.catalog-modal.is-drill .catalog-modal__layout {
  grid-template-columns: 220px 1fr;
}
.catalog-modal__rail {
  display: none;
  min-height: 0;
  overflow: auto;
  padding: 10px 8px 12px;
  border-right: 1px solid rgba(186, 214, 240, 0.55);
  background: rgba(255, 255, 255, 0.45);
  -webkit-overflow-scrolling: touch;
}
.catalog-modal.is-drill .catalog-modal__rail {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.catalog-modal__rail-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: 0;
  background: transparent;
  text-align: left;
  padding: 7px 8px;
  border-radius: 10px;
  cursor: pointer;
  font: inherit;
  color: #3a4a5c;
  transition: background .12s ease;
}
.catalog-modal__rail-item:hover {
  background: rgba(126, 182, 255, 0.16);
}
.catalog-modal__rail-item.is-active {
  background: rgba(126, 182, 255, 0.22);
  color: #1e4a7a;
}
.catalog-modal__rail-item.is-here:not(.is-active) {
  box-shadow: inset 2px 0 0 #fed100;
}
.catalog-modal__rail-icon {
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  border: 1px solid #BAD6F0;
  border-radius: 6px;
  background: #fff;
  object-fit: contain;
}
.catalog-modal__rail-label {
  flex: 1;
  min-width: 0;
  font-size: 12px;
  font-weight: 550;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.catalog-modal__rail-arrow {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  color: #7a8b9c;
  margin-left: 4px;
}
.catalog-modal__rail-item.is-active .catalog-modal__rail-arrow {
  color: #1e4a7a;
}
.catalog-modal__body {
  min-height: 0;
  overflow: auto;
  padding: 10px 12px 8px;
  outline: none;
  -webkit-overflow-scrolling: touch;
}
.catalog-modal__grid {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.catalog-modal__row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  box-sizing: border-box;
  border: 0;
  background: rgba(255, 255, 255, 0.72);
  text-align: left;
  text-decoration: none;
  color: #232f3e;
  padding: 9px 10px;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  transition: background .12s ease, box-shadow .12s ease;
}
.catalog-modal__row:hover,
.catalog-modal__row.is-focused {
  background: rgba(126, 182, 255, 0.18);
}
.catalog-modal__row.is-focused {
  box-shadow: 0 0 0 2px rgba(126, 182, 255, 0.45);
}
.catalog-modal__row.is-here {
  background: rgba(254, 209, 0, 0.14);
}
.catalog-modal__row.is-active {
  background: rgba(254, 209, 0, 0.28);
}
.catalog-modal__row--child {
  padding-left: 14px;
}
.catalog-modal__row-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  border: 1px solid #BAD6F0;
  border-radius: 9px;
  background: #fff;
  object-fit: contain;
}
.catalog-modal__row-icon--empty {
  display: inline-block;
}
.catalog-modal__row-text {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.catalog-modal__row-label {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}
.catalog-modal__hl {
  background: rgba(254, 209, 0, 0.55);
  color: inherit;
  font-weight: 700;
  padding: 0 1px;
  border-radius: 3px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}
.catalog-modal__row-path {
  font-size: 12px;
  font-weight: 450;
  color: #6a7b8d;
  line-height: 1.25;
}
.catalog-modal__row-path .catalog-modal__hl {
  background: rgba(254, 209, 0, 0.4);
  font-weight: 650;
}
.catalog-modal__row-trail {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #7a8b9c;
  flex: 0 0 auto;
}
.catalog-modal__meta {
  font-size: 11px;
  font-weight: 600;
  color: #5a7a9a;
  background: rgba(126, 182, 255, 0.18);
  border-radius: 999px;
  padding: 2px 7px;
}
.catalog-modal__here {
  font-size: 11px;
  font-weight: 550;
  color: #8a6a00;
  background: rgba(254, 209, 0, 0.35);
  border-radius: 999px;
  padding: 1px 6px;
  margin-left: 6px;
  white-space: nowrap;
}
.catalog-modal__parent-link {
  margin: 0 4px 8px;
  font-size: 13px;
}
.catalog-modal__parent-link a {
  color: #3a6ea5;
  text-decoration: none;
  font-weight: 500;
}
.catalog-modal__parent-link a:hover {
  text-decoration: underline;
}
.catalog-modal__empty,
.catalog-modal__empty-block {
  margin: 24px 12px;
  text-align: center;
  color: #6a7b8d;
  font-size: 14px;
}
.catalog-modal__primary {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  background: #1e4a7a;
  color: #fff !important;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
}
.catalog-modal__kbd-hint {
  margin: 0;
  padding: 8px 16px 12px;
  font-size: 11px;
  color: #8a9aac;
  border-top: 1px solid rgba(186, 214, 240, 0.4);
}
@media (max-width: 720px) {
  .catalog-modal.is-drill .catalog-modal__layout {
    grid-template-columns: 1fr;
  }
  .catalog-modal.is-drill .catalog-modal__rail {
    display: none;
  }
}
@media (max-width: 560px) {
  .catalog-modal {
    padding: 0;
    align-items: stretch;
  }
  .catalog-modal__dialog {
    width: 100%;
    max-height: 100%;
    height: 100%;
    border-radius: 0;
  }
  .catalog-modal__kbd-hint {
    display: none;
  }
}