:root {
  --mono: "Space Mono", monospace;
  --color-text-tertiary: #8f9097e0;
  --color-text-secondary: #9e9c93;
  --color-border-tertiary: #89878194;
  --color-border-info: #4682d5;
  --color-background-info: #253e5f;
  --bg2: rgba(128, 128, 128, 0.06);
}

/* SideBar */
.sidebar-section {
  margin-bottom: 2rem;
}

.sidebar-title {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 0.5px solid var(--border);
}

/* Tree of Categories */

.tree-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  border-radius: 4px;
}

.tree-label.active {
  color: #6ea8fe;
  font-weight: 500;
}

.tree-label.active a {
  color: #6ea8fe !important;
}

.tree-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.6rem;
  color: var(--color-text-secondary);
  background: var(--bg2);
  border: 0.5px solid var(--border);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.tree-children {
  padding-left: 1rem;
  border-left: 0.5px solid var(--border);
  margin-left: 0.45rem;
}

.tree-toggle {
  width: 12px;
  height: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-text-secondary);
  transition: transform 0.2s ease;
}

.tree-toggle.collapsed {
  transform: rotate(0deg);
}

.tree-toggle.expanded {
  transform: rotate(90deg);
}

.tree-node > .tree-label {
  list-style: none;
  padding-left: 0;
  margin-left: 0;
}

.text-secondary {
  color: var(--color-text-secondary) !important;
}

.hover-white:hover {
  color: #ffffffb8 !important;
  text-shadow: 0 0 15px #ffffff57;
}

/* Tags Row */
.tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.75rem 0;
}

.tag {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--bg2);
  border: 0.5px solid var(--border);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
}

.tag.active {
  background-color: #161c2a;
  color: #6296e3;
  font-weight: 700;
  box-shadow: 0 0 15px rgb(109 167 252 / 10%);
  border: 0.1px solid #6296e396;
}

/* Meta Row */
.meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--color-text-tertiary);
  flex-shrink: 0;
}

.meta-txt {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  font-family: var(--mono);
}

/* Tags */
.badge {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(110, 168, 254, 0.1);
  border: 0.5px solid;
}

.badge.blue {
  background: rgba(110, 168, 254, 0.1);
  color: #6ea8fe;
  border-color: rgba(110, 168, 254, 0.25);
}

.badge.green {
  background: rgba(114, 123, 61, 0.1);
  color: #8fa04a;
  border-color: rgba(114, 123, 61, 0.25);
}

.badge.lightgreen {
  background: rgba(93, 202, 165, 0.1);
  color: #1d9e75;
  border-color: rgba(93, 202, 165, 0.2);
}

.badge.purple {
  background: rgba(127, 119, 221, 0.1);
  color: #8b9cff;
  border-color: rgba(127, 119, 221, 0.2);
}

/* Search Field */
.top-2rem {
  top: 2rem;
}

.search-wrap {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.28rem 0.7rem;
}

.search-wrap svg {
  flex-shrink: 0;
}

.search-wrap input {
  width: 100%;
  height: 36px;
  padding: 8px 12px;
  font-size: 16px;
  background: var(--color-background-primary);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-tertiary);
  border-radius: 6px;
  outline: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s;
}

.search-wrap input:focus {
  border-color: var(--color-border-info);
  box-shadow: 0 0 0 3px var(--color-background-info);
}

.search-wrap input::placeholder {
  color: var(--color-text-tertiary);
}