:root {
  --bg: #fafbfc;
  --fg: #121417;
  --bar: #eff2f6;
  --input: #fff;
  --border: #e1e6ea;
  --primary: #2563eb;
  --primary-fade: #e0e7ff;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(0, 0, 0, .05);
  --danger: #ef4444;
  --transition: 0.2s ease-in-out;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --fg: #f8fafc;
  --bar: #1e293b;
  --input: #0f172a;
  --border: #334155;
  --primary: #3b82f6;
  --primary-fade: #1e3a8a;
  --shadow: 0 4px 20px rgba(0, 0, 0, .3);
}

* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  transition: background-color var(--transition), color var(--transition);
}

#app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* ICONS (Inline SVG Styling) */
.icon {
  width: 1.25rem;
  height: 1.25rem;
  fill: currentColor;
  vertical-align: middle;
  display: inline-block;
  flex-shrink: 0;
}

/* UTILITIES */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bar);
  color: var(--fg);
  text-decoration: none;
  transition: var(--transition);
}

.btn:hover {
  border-color: var(--primary);
  background: var(--border);
}

.btn-danger {
  background: var(--danger);
  color: white;
  border-color: var(--danger);
}

.btn-danger:hover {
  background: #dc2626;
  border-color: #dc2626;
  color: white;
}

.hidden {
  display: none !important;
}

/* NAVIGATION */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  background: var(--bar);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  margin-bottom: 25px;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  cursor: pointer;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 15px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--border);
  opacity: 0.8;
}

.status-badge.remote {
  background: var(--primary-fade);
  color: var(--primary);
}

/* SEARCH */
.search-wrapper {
  position: relative;
  margin-bottom: 25px;
}

.search-input {
  width: 100%;
  padding: 12px 20px 12px 45px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--fg);
  font-size: 1rem;
  outline: none;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary);
}

.search-icon {
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg);
  opacity: 0.6;
}

/* LAYOUT */
.layout-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 25px;
}

@media (max-width: 850px) {
  .layout-grid {
    grid-template-columns: 1fr;
  }

  .sidebar {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .sidebar-card {
    flex: 1;
    min-width: 250px;
  }
}

/* SIDEBAR */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-card {
  background: var(--bar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.sidebar-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 15px;
  color: var(--fg);
  opacity: 0.8;
  display: flex;
  align-items: center;
  gap: 6px;
}

.filter-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.filter-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
  color: var(--fg);
  opacity: 0.85;
}

.filter-item:hover {
  background: var(--border);
  opacity: 1;
}

.filter-item.active {
  background: var(--primary);
  color: white;
  opacity: 1;
  font-weight: 600;
}

/* MULTI-SELECT CHECKBOX (Visual) */
.checkbox-box {
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-right: 8px;
  opacity: 0.7;
}

.filter-item.active .checkbox-box {
  background: white;
  border-color: white;
  color: var(--primary);
  opacity: 1;
}

.filter-count {
  font-size: 0.75rem;
  background: var(--input);
  color: var(--fg);
  padding: 2px 6px;
  border-radius: 12px;
  border: 1px solid var(--border);
}

.filter-item.active .filter-count {
  background: rgba(255, 255, 255, 0.25);
  color: white;
  border: none;
}

[data-theme="dark"] .filter-item.active .filter-count {
  background: var(--primary-fade);
  color: var(--primary);
}

/* POST GRID */
.content-area {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.grid-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.8;
  flex-wrap: wrap;
  gap: 10px;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* POST CARDS */
.post-card {
  background: var(--bar);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.post-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
}

.card-img-wrapper {
  height: 180px;
  width: 100%;
  position: relative;
  background: #cbd5e1;
  overflow: hidden;
  cursor: pointer;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* All Categories on Card */
.card-category-container {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  pointer-events: none;
}

.card-category-badge {
  background: rgba(15, 23, 42, 0.85);
  color: #fff;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.card-content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-meta {
  display: flex;
  gap: 15px;
  font-size: 0.8rem;
  opacity: 0.7;
  margin-bottom: 10px;
}

.card-meta b {
  font-weight: 600;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  line-height: 1.3;
  color: var(--fg);
  cursor: pointer;
  transition: color 0.2s;
}

.card-title:hover {
  color: var(--primary);
}

.card-desc {
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0.8;
  margin-bottom: 20px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  pointer-events: none;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.card-tag {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 12px;
  background: var(--input);
  border: 1px solid var(--border);
  opacity: 0.9;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.card-tag:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

/* Interactive Authors */
.clickable-author {
  color: var(--fg);
  cursor: pointer;
  font-weight: 500;
  transition: color var(--transition);
}

.clickable-author:hover {
  color: var(--primary);
}

/* READER PANE */
.reader-pane {
  display: none;
  background: var(--bg);
}

.reader-pane.active {
  display: block;
}

.clog-container {
  max-width: 850px;
  margin: 0 auto;
  background: var(--input);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.back-btn-wrapper {
  margin-bottom: 20px;
}

.banner-image {
  width: 100%;
  height: 380px;
  object-fit: cover;
  display: block;
  background: #cbd5e1;
  border-bottom: 1px solid var(--border);
}

.clog-content {
  padding: 40px;
}

@media (max-width: 600px) {
  .clog-content {
    padding: 20px;
  }

  .banner-image {
    height: 220px;
  }
}

.clog-title {
  font-size: 2.4rem;
  line-height: 1.2;
  margin: 0 0 20px 0;
  font-weight: 700;
  color: var(--fg);
}

.clog-meta {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-bottom: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.clog-meta-sub {
  display: flex;
  gap: 20px;
  color: var(--fg);
  opacity: 0.7;
  font-size: 0.95rem;
}

.clog-meta-item span:first-child {
  font-weight: 600;
  margin-right: 5px;
}

.clog-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.clog-tags span {
  background: var(--primary-fade);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.clog-tags .cat-badge {
  background: #334155;
  color: #fff;
}

.loading-spinner {
  text-align: center;
  padding: 60px 20px;
  font-size: 1.1rem;
  font-weight: 500;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

/* Custom Github Markdown Overrides */
[data-theme="dark"] .markdown-body pre,
[data-theme="dark"] .markdown-body code {
  background-color: #1e293b !important;
  border: 1px solid #334155;
}

[data-theme="dark"] .markdown-body table tr {
  background-color: #0f172a !important;
  border-top-color: #334155 !important;
}

[data-theme="dark"] .markdown-body table tr:nth-child(2n) {
  background-color: #1e293b !important;
}

[data-theme="dark"] .markdown-body table td,
[data-theme="dark"] .markdown-body table th {
  border-color: #334155 !important;
}

[data-theme="dark"] .markdown-body blockquote {
  color: #94a3b8 !important;
  border-left-color: #334155 !important;
}

[data-theme="dark"] .markdown-body h1,
[data-theme="dark"] .markdown-body h2 {
  border-bottom-color: #334155 !important;
}