/* Web3 Nepal Courses Plugin — courses.css */

/* =============================================
   Layout: sidebar + main
============================================= */
.w3nc-layout {
  display: flex;
  min-height: calc(100vh - 70px);
  margin-top: 70px;
}

/* =============================================
   Sidebar
============================================= */
.w3nc-sidebar {
  width: 280px;
  flex-shrink: 0;
  background: #111827;
  border-right: 1px solid rgba(0,200,255,0.12);
  position: sticky;
  top: 70px;
  height: calc(100vh - 70px);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,200,255,0.2) transparent;
}

.w3nc-sidebar::-webkit-scrollbar { width: 4px; }
.w3nc-sidebar::-webkit-scrollbar-track { background: transparent; }
.w3nc-sidebar::-webkit-scrollbar-thumb { background: rgba(0,200,255,0.2); border-radius: 2px; }

.w3nc-sidebar-inner {
  padding: 1.5rem 0;
}

.w3nc-course-back {
  display: block;
  padding: 0.4rem 1.25rem 1rem;
  font-size: 0.82rem;
  color: #00c8ff;
  text-decoration: none;
  border-bottom: 1px solid rgba(0,200,255,0.1);
  margin-bottom: 0.75rem;
}
.w3nc-course-back:hover { color: #ffffff; }

.w3nc-sidebar-title {
  padding: 0 1.25rem 0.6rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #64748b;
}

/* TOC list */
.w3nc-toc ul { list-style: none; padding: 0; margin: 0; }

.w3nc-toc li a {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  padding: 0.6rem 1.25rem;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.88rem;
  line-height: 1.4;
  transition: all 0.2s;
  border-left: 3px solid transparent;
  position: relative;
}

.w3nc-toc li a:hover {
  color: #e2e8f0;
  background: rgba(0,200,255,0.04);
  border-left-color: rgba(0,200,255,0.3);
}

.w3nc-toc li.active a {
  color: #00c8ff;
  background: rgba(0,200,255,0.08);
  border-left-color: #00c8ff;
  font-weight: 600;
}

.w3nc-num {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: #64748b;
  margin-top: 1px;
}

.w3nc-toc li.active .w3nc-num {
  background: rgba(0,200,255,0.15);
  border-color: rgba(0,200,255,0.4);
  color: #00c8ff;
}

.w3nc-label { flex: 1; }

.w3nc-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #00c8ff;
  flex-shrink: 0;
  margin-top: 6px;
}

/* =============================================
   Main Content
============================================= */
.w3nc-main {
  flex: 1;
  min-width: 0;
  padding: 2.5rem 3rem 5rem;
  background: #0a0e1a;
}

.w3nc-sidebar-toggle {
  display: none;
  background: rgba(0,200,255,0.1);
  border: 1px solid rgba(0,200,255,0.25);
  color: #00c8ff;
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

/* Breadcrumb */
.w3nc-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  color: #64748b;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.w3nc-breadcrumb a { color: #94a3b8; text-decoration: none; }
.w3nc-breadcrumb a:hover { color: #00c8ff; }
.w3nc-breadcrumb span:last-child { color: #00c8ff; }

/* Article */
.w3nc-article { max-width: 820px; }

.w3nc-article-title {
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 2rem;
  line-height: 1.25;
}

/* Rich content styling */
.w3nc-content {
  font-size: 1.05rem;
  line-height: 1.85;
  color: #cbd5e1;
}

.w3nc-content h2 {
  font-size: 1.5rem;
  color: #ffffff;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(0,200,255,0.15);
}
.w3nc-content h3 {
  font-size: 1.2rem;
  color: #e2e8f0;
  margin: 2rem 0 0.75rem;
}
.w3nc-content p { margin-bottom: 1.25rem; color: #94a3b8; }
.w3nc-content strong { color: #e2e8f0; font-weight: 600; }
.w3nc-content em { color: #00c8ff; font-style: normal; }

.w3nc-content ul, .w3nc-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}
.w3nc-content li {
  color: #94a3b8;
  margin-bottom: 0.4rem;
}
.w3nc-content ul li { list-style: disc; }
.w3nc-content ol li { list-style: decimal; }

.w3nc-content pre {
  background: #1a2035;
  border: 1px solid rgba(0,200,255,0.15);
  border-left: 3px solid #00c8ff;
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.88rem;
  color: #a5f3fc;
  margin: 1.5rem 0;
  line-height: 1.6;
}

.w3nc-content code {
  background: rgba(0,200,255,0.08);
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 4px;
  padding: 0.15em 0.4em;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.88em;
  color: #67e8f9;
}

.w3nc-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

.w3nc-content blockquote {
  border-left: 3px solid #7b2ff7;
  background: rgba(123,47,247,0.06);
  padding: 1rem 1.25rem;
  border-radius: 0 8px 8px 0;
  margin: 1.5rem 0;
  color: #e2e8f0;
  font-style: italic;
}

.w3nc-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.92rem;
}
.w3nc-content th {
  background: rgba(0,200,255,0.08);
  color: #00c8ff;
  font-weight: 700;
  text-align: left;
  padding: 0.7rem 1rem;
  border: 1px solid rgba(0,200,255,0.15);
}
.w3nc-content td {
  padding: 0.6rem 1rem;
  border: 1px solid rgba(255,255,255,0.06);
  color: #94a3b8;
}
.w3nc-content tr:nth-child(even) td { background: rgba(255,255,255,0.02); }

/* Prev/Next pager */
.w3nc-pager {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 4rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0,200,255,0.1);
}

.w3nc-pager-btn {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid rgba(0,200,255,0.15);
  border-radius: 10px;
  background: rgba(0,200,255,0.03);
  text-decoration: none;
  transition: all 0.25s;
}
.w3nc-pager-btn:hover {
  border-color: rgba(0,200,255,0.4);
  background: rgba(0,200,255,0.07);
}
.w3nc-pager-btn span { font-size: 0.78rem; color: #64748b; }
.w3nc-pager-btn strong { font-size: 0.92rem; color: #e2e8f0; font-weight: 600; line-height: 1.3; }
.w3nc-pager-next { text-align: right; }

/* =============================================
   Course Cards Grid (archive + shortcode)
============================================= */
.w3nc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.w3nc-card {
  background: linear-gradient(135deg, rgba(0,200,255,0.04), rgba(123,47,247,0.04));
  border: 1px solid rgba(0,200,255,0.12);
  border-radius: 16px;
  padding: 1.75rem;
  position: relative;
  transition: all 0.3s;
}
.w3nc-card:hover {
  border-color: rgba(0,200,255,0.35);
  transform: translateY(-4px);
  box-shadow: 0 0 28px rgba(0,200,255,0.12);
}

.w3nc-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #00c8ff;
  background: rgba(0,200,255,0.1);
  border: 1px solid rgba(0,200,255,0.2);
  border-radius: 50px;
  padding: 0.2rem 0.7rem;
  margin-bottom: 0.75rem;
}

.w3nc-card h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.w3nc-card h3 a { color: #ffffff; text-decoration: none; }
.w3nc-card h3 a:hover { color: #00c8ff; }

.w3nc-card p { font-size: 0.9rem; color: #64748b; margin-bottom: 1.25rem; }

.w3nc-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.w3nc-meta span {
  font-size: 0.75rem;
  color: #64748b;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50px;
  padding: 0.2rem 0.7rem;
}

.w3nc-btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  background: linear-gradient(90deg, #00c8ff, #7b2ff7);
  color: #ffffff;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s;
}
.w3nc-btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
  color: #ffffff;
}

/* =============================================
   Responsive
============================================= */
@media (max-width: 900px) {
  .w3nc-layout { flex-direction: column; margin-top: 70px; }

  .w3nc-sidebar {
    position: fixed;
    top: 70px;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 900;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    height: 100vh;
  }

  .w3nc-sidebar.open { transform: translateX(0); }

  .w3nc-main { padding: 1.5rem 1.25rem 4rem; }
  .w3nc-sidebar-toggle { display: inline-flex; align-items: center; gap: 0.4rem; }
  .w3nc-pager { grid-template-columns: 1fr; }
  .w3nc-pager-next { text-align: left; }
}

@media (max-width: 480px) {
  .w3nc-main { padding: 1rem 1rem 4rem; }
}