:root {
  --lb-bg: #f8f9fb;
  --lb-bg-soft: #eef1f5;
  --lb-white: #ffffff;
  --lb-text: #172033;
  --lb-text-soft: #64748b;
  --lb-border: rgba(15, 23, 42, 0.08);
  --lb-blue: #1677ff;
  --lb-blue-deep: #0f4fc4;
  --lb-glow: rgba(22, 119, 255, 0.15);
  --lb-shadow: 0 10px 30px rgba(23, 32, 51, 0.06);
  --lb-shadow-lift: 0 20px 45px rgba(23, 32, 51, 0.1);
  --lb-surface-glass: rgba(255, 255, 255, 0.72);
  --lb-success: #22c55e;
  --lb-success-bg: rgba(34, 197, 94, 0.1);
}

html[data-lb-theme="dark"] {
  --lb-bg: #07111f;
  --lb-bg-soft: #0b1728;
  --lb-white: #102238;
  --lb-text: #f8fafc;
  --lb-text-soft: #94a3b8;
  --lb-border: rgba(255, 255, 255, 0.08);
  --lb-blue: #2f80ff;
  --lb-blue-deep: #1764d8;
  --lb-glow: rgba(47, 128, 255, 0.18);
  --lb-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --lb-shadow-lift: 0 25px 55px rgba(0, 0, 0, 0.45);
  --lb-surface-glass: rgba(16, 34, 56, 0.72);
  --lb-success: #34d399;
  --lb-success-bg: rgba(52, 211, 153, 0.12);
}

#blog-content {
  font-family: "Inter", sans-serif;
  background: var(--lb-bg);
  color: var(--lb-text);
  position: relative;
  transition:
    background 0.5s ease,
    color 0.5s ease;
}

#blog-content * {
  box-sizing: border-box;
}

#blog-content ::selection {
  background: var(--lb-glow);
  color: var(--lb-blue-deep);
}

#blog-content h1,
#blog-content h2,
#blog-content h3,
#blog-content h4,
#blog-content h5 {
  font-family: "Space Grotesk", sans-serif;
  color: var(--lb-text);
  margin: 0;
}

#blog-content p {
  margin: 0;
}

#blog-content a {
  text-decoration: none;
}

.lb-studio-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none !important;
  background:
    radial-gradient(ellipse 70% 50% at 50% 10%, rgba(255, 255, 255, 0.9) 0%, transparent 60%), radial-gradient(ellipse 90% 60% at 50% 100%, rgba(15, 23, 42, 0.06) 0%, transparent 55%),
    linear-gradient(180deg, var(--lb-white) 0%, var(--lb-bg-soft) 55%, var(--lb-bg) 100%);
  transition: background 0.5s ease;
}

html[data-lb-theme="dark"] .lb-studio-bg {
  background:
    radial-gradient(ellipse 70% 45% at 50% 5%, rgba(47, 128, 255, 0.1) 0%, transparent 60%), radial-gradient(ellipse 90% 60% at 50% 100%, rgba(0, 0, 0, 0.5) 0%, transparent 55%),
    linear-gradient(180deg, var(--lb-bg-soft) 0%, var(--lb-bg) 100%);
}

.lb-studio-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none !important;
  opacity: 0.5;
  background-image: linear-gradient(var(--lb-border) 1px, transparent 1px), linear-gradient(90deg, var(--lb-border) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, black 20%, transparent 75%);
}

.lb-page-particles {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.lb-particle-dot {
  position: absolute;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lb-blue);
  opacity: 0.3;
  animation: lbParticleFloat 8s ease-in-out infinite;
}

@keyframes lbParticleFloat {
  0%,
  100% {
    transform: translate(0, 0);
    opacity: 0.18;
  }
  50% {
    transform: translate(10px, -16px);
    opacity: 0.45;
  }
}

.lb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--lb-blue);
  margin-bottom: 12px;
}

.lb-eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--lb-blue);
}

.lb-blue-text {
  color: var(--lb-blue);
}

.lb-nav {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  pointer-events: auto !important;
  width: min(1140px, 92vw);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px 10px 22px;
  background: var(--lb-surface-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--lb-border);
  border-radius: 999px;
  box-shadow: var(--lb-shadow);
  transition:
    background 0.5s ease,
    border-color 0.5s ease,
    box-shadow 0.3s ease;
}

.lb-nav.lb-nav--scrolled {
  box-shadow: var(--lb-shadow-lift);
}

.lb-nav-brand {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 1px;
  color: var(--lb-text) !important;
  flex-shrink: 0;
}

.lb-nav-brand span {
  color: var(--lb-blue);
}

.lb-nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.lb-nav-link {
  font-size: 13px;
  font-weight: 500;
  color: var(--lb-text-soft) !important;
  padding: 8px 12px;
  border-radius: 999px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.lb-nav-link:hover {
  color: var(--lb-blue) !important;
  background: var(--lb-glow);
}

.lb-nav-link.active {
  color: var(--lb-blue) !important;
  background: var(--lb-glow);
}

.lb-nav-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.lb-theme-toggle {
  position: relative;
  z-index: 2;
  pointer-events: auto !important;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--lb-border);
  background: var(--lb-white);
  color: var(--lb-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
  flex-shrink: 0;
}

.lb-theme-toggle:hover {
  border-color: var(--lb-blue);
  color: var(--lb-blue);
  box-shadow: 0 0 0 6px var(--lb-glow);
}

.lb-theme-toggle svg,
.lb-theme-toggle span {
  pointer-events: none;
}

.lb-theme-toggle svg {
  width: 17px;
  height: 17px;
}

.lb-nav-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--lb-border);
  background: var(--lb-white);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}

.lb-nav-toggle span {
  width: 16px;
  height: 2px;
  background: var(--lb-text);
  border-radius: 2px;
}

.lb-nav-mobile {
  position: fixed;
  top: 86px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  width: min(340px, 88vw);
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 20px;
  box-shadow: var(--lb-shadow-lift);
  padding: 14px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}

.lb-nav-mobile.lb-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.lb-nav-mobile a {
  display: block;
  padding: 12px 14px;
  border-radius: 12px;
  color: var(--lb-text);
  font-weight: 500;
  font-size: 14px;
}

.lb-nav-mobile a.active,
.lb-nav-mobile a:hover {
  background: var(--lb-glow);
  color: var(--lb-blue);
}

@media (max-width: 1100px) {
  .lb-nav-link {
    padding: 8px 9px;
    font-size: 12.5px;
  }
}

@media (max-width: 860px) {
  .lb-nav-links {
    display: none;
  }

  .lb-nav-toggle {
    display: flex;
  }
}

.lb-search-panel {
  position: fixed;
  top: 86px;
  left: 50%;
  transform: translateX(-50%) translateY(-12px);
  width: min(420px, 92vw);
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 20px;
  box-shadow: var(--lb-shadow-lift);
  padding: 12px;
  z-index: 1001;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s ease;
}
.lb-search-panel.lb-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.lb-search-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--lb-bg-soft);
  border: 1px solid var(--lb-border);
  border-radius: 12px;
  padding: 10px 14px;
  color: var(--lb-text-soft);
}
.lb-search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-family: "Inter", sans-serif;
  font-size: 14px;
  color: var(--lb-text);
}
.lb-search-input::placeholder {
  color: var(--lb-text-soft);
}
.lb-search-results {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  max-height: 320px;
  overflow-y: auto;
}
.lb-search-results a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--lb-text);
  transition: background 0.2s ease;
}
.lb-search-results a:hover,
.lb-search-results a.lb-search-active {
  background: var(--lb-glow);
  color: var(--lb-blue);
}
.lb-search-result-icon {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--lb-bg-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lb-blue);
  font-size: 13px;
  flex-shrink: 0;
}
.lb-search-result-title {
  font-size: 13.5px;
  font-weight: 600;
}
.lb-search-result-desc {
  font-size: 11.5px;
  color: var(--lb-text-soft);
}
.lb-search-empty {
  padding: 18px 12px;
  text-align: center;
  font-size: 12.5px;
  color: var(--lb-text-soft);
}

.lb-page-header {
  position: relative;
  z-index: 1;
  padding: 150px 0 50px;
  text-align: center;
  overflow: hidden;
}

.lb-page-header .lb-eyebrow {
  justify-content: center;
}

.lb-page-title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 600;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.lb-page-subtitle {
  color: var(--lb-text-soft);
  font-size: 1rem;
}

.lb-stagger-in {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(4px);
  animation: lbStaggerIn 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes lbStaggerIn {
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0px);
  }
}

.lb-section {
  position: relative;
  z-index: 1;
  padding-bottom: 90px;
}

.lb-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 46px;
}

.lb-stat-card {
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: var(--lb-shadow);
  transition:
    transform 0.3s ease,
    box-shadow 0.3s ease;
}

.lb-stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--lb-shadow-lift);
}

.lb-stat-value {
  font-family: "Space Grotesk", sans-serif;
  font-size: 2.1rem;
  font-weight: 700;
  color: var(--lb-blue);
  line-height: 1;
}

.lb-stat-value.lb-stat-muted {
  color: var(--lb-text-soft);
}

.lb-stat-label {
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lb-text-soft);
  margin-top: 8px;
  display: block;
}

@media (max-width: 640px) {
  .lb-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

.lb-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 50px;
}

@media (max-width: 560px) {
  .lb-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .lb-filters::-webkit-scrollbar {
    display: none;
  }
}

.lb-filter-pill {
  flex-shrink: 0;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--lb-text-soft);
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  padding: 10px 20px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.lb-filter-pill:hover {
  border-color: var(--lb-blue);
  color: var(--lb-blue);
}

.lb-filter-pill.active {
  background: var(--lb-blue);
  border-color: var(--lb-blue);
  color: #fff;
  box-shadow: 0 8px 20px var(--lb-glow);
  transform: translateY(-1px);
}

.lb-subject-section + .lb-subject-section {
  margin-top: 70px;
}

.lb-subject-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--lb-border);
}

.lb-subject-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--lb-glow);
  border: 1px solid var(--lb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--lb-blue);
  flex-shrink: 0;
}

.lb-subject-title {
  font-size: 1.3rem;
  font-weight: 600;
}

.lb-subject-tag {
  font-size: 11px;
  color: var(--lb-text-soft);
  display: block;
  margin-top: 3px;
}

.lb-subject-line {
  flex: 1;
  height: 1px;
  background: var(--lb-border);
  display: none;
}

@media (min-width: 576px) {
  .lb-subject-line {
    display: block;
  }
}

.lb-practicum-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

@media (max-width: 767px) {
  .lb-practicum-grid {
    grid-template-columns: 1fr;
  }
}

.lb-practicum-card {
  position: relative;
  z-index: 0;
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 22px;
  overflow: visible;
  box-shadow: var(--lb-shadow);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  transform-style: preserve-3d;
  will-change: transform;
  transition:
    box-shadow 0.4s ease,
    border-color 0.4s ease;
}

.lb-practicum-card.lb-reveal {
  opacity: 0;
  transform: translateY(24px) scale(0.98);
  transition:
    opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.lb-practicum-card.lb-reveal.lb-in {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.lb-practicum-card:hover {
  border-color: rgba(22, 119, 255, 0.3);
  box-shadow: var(--lb-shadow-lift);
}

.lb-practicum-card.lb-clicked {
  animation: lbCardClick 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes lbCardClick {
  35% {
    transform: translateZ(14px) scale(1.01);
  }
  100% {
    transform: translateZ(0) scale(1);
  }
}

.lb-practicum-thumb {
  position: relative;
  border-radius: 22px 22px 0 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--lb-bg-soft);
  flex-shrink: 0;
}

.lb-practicum-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.lb-practicum-card:hover .lb-practicum-thumb img {
  transform: scale(1.06);
}

.lb-practicum-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lb-border);
  font-size: 2.2rem;
}

.lb-practicum-coming-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lb-practicum-coming-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 6px 16px;
  border-radius: 999px;
}

.lb-practicum-card.lb-coming .lb-practicum-thumb img {
  filter: grayscale(0.35) brightness(0.85);
}

.lb-practicum-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.lb-practicum-number {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--lb-blue);
  background: var(--lb-glow);
  border: 1px solid rgba(22, 119, 255, 0.25);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  width: fit-content;
}

.lb-practicum-title {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.35;
}

.lb-practicum-desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--lb-text-soft);
  flex-grow: 1;
  margin-bottom: 16px;
}

.lb-practicum-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--lb-border);
}

.lb-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 999px;
}

.lb-status-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.lb-status-pill.lb-status-done {
  color: var(--lb-success);
  background: var(--lb-success-bg);
  border: 1px solid rgba(34, 197, 94, 0.3);
}
.lb-status-pill.lb-status-done::before {
  background: var(--lb-success);
}

.lb-status-pill.lb-status-coming {
  color: var(--lb-text-soft);
  background: var(--lb-bg-soft);
  border: 1px solid var(--lb-border);
}
.lb-status-pill.lb-status-coming::before {
  background: var(--lb-text-soft);
}

.lb-status-pill.lb-status-pending {
  color: var(--lb-text-soft);
  background: var(--lb-bg-soft);
  border: 1px solid var(--lb-border);
}
.lb-status-pill.lb-status-pending::before {
  background: var(--lb-text-soft);
}

.lb-read-more {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--lb-blue);
  padding: 8px 16px;
  border: 1px solid var(--lb-blue);
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  z-index: 1;
}

.lb-read-more::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--lb-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  z-index: -1;
}

.lb-read-more:hover {
  color: #fff;
}

.lb-read-more:hover::before {
  transform: scaleX(1);
}

.lb-read-more i {
  transition: transform 0.25s ease;
}

.lb-read-more:hover i {
  transform: translateX(3px);
}

.lb-read-more.lb-disabled {
  color: var(--lb-text-soft);
  border-color: var(--lb-border);
  cursor: not-allowed;
  pointer-events: none;
}

.lb-read-more.lb-disabled::before {
  display: none;
}

.lb-blog-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 0;
  color: var(--lb-text-soft);
}

.lb-blog-state i {
  font-size: 2.2rem;
  opacity: 0.35;
  display: block;
  margin-bottom: 14px;
}

.lb-blog-state p {
  font-size: 12.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 600;
}

.lb-saber-svg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: visible;
  opacity: 0;
  transition: opacity 0.35s ease;
}
.lb-saber-svg.lb-mode-hit {
  opacity: 1;
}
.lb-saber-stroke {
  fill: none;
  stroke: var(--lb-blue);
  stroke-linecap: round;
  filter: drop-shadow(0 0 3px rgba(22, 119, 255, 0.9)) drop-shadow(0 0 9px rgba(22, 119, 255, 0.55));
}
html[data-lb-theme="dark"] .lb-saber-stroke {
  stroke: #5ea2ff;
  filter: drop-shadow(0 0 4px rgba(47, 128, 255, 1)) drop-shadow(0 0 12px rgba(47, 128, 255, 0.7));
}
.lb-saber-svg.lb-mode-hit .lb-saber-stroke {
  animation: lbSaberTravel 1.6s cubic-bezier(0.45, 0, 0.2, 1) both;
}
@keyframes lbSaberTravel {
  0% {
    stroke-dashoffset: 0;
  }
  100% {
    stroke-dashoffset: calc(-1 * var(--lb-saber-len, 1000px));
  }
}

.lb-footer {
  position: relative;
  z-index: 1;
  background: var(--lb-white);
  border-top: 1px solid var(--lb-border);
  padding-top: 60px;
}
.lb-footer-text {
  color: var(--lb-text-soft);
  font-size: 0.9rem;
  line-height: 1.8;
  max-width: 320px;
}
.lb-footer-heading {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 18px;
}
.lb-footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lb-footer-links a {
  color: var(--lb-text-soft);
  font-size: 13.5px;
  transition: all 0.25s ease;
}
.lb-footer-links a:hover {
  color: var(--lb-blue);
}
.lb-social-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--lb-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--lb-text-soft);
  font-size: 14px;
  transition: all 0.25s ease;
  background: var(--lb-white);
}
.lb-social-btn:hover {
  color: var(--lb-blue);
  border-color: var(--lb-blue);
  transform: translateY(-2px);
}
.lb-footer-bottom {
  border-top: 1px solid var(--lb-border);
  margin-top: 40px;
  padding: 22px 0;
  text-align: center;
  color: var(--lb-text-soft);
  font-size: 12.5px;
}

.lb-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
  font-size: 12px;
  color: var(--lb-text-soft);
}

.lb-breadcrumb a {
  color: var(--lb-text-soft);
  transition: color 0.2s ease;
}

.lb-breadcrumb a:hover {
  color: var(--lb-blue);
}

.lb-breadcrumb .lb-sep {
  color: var(--lb-border);
}

.lb-breadcrumb .lb-current {
  color: var(--lb-blue);
  font-weight: 600;
}

.lb-detail-header {
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 22px;
  padding: 32px 34px 30px;
  margin-bottom: 26px;
  box-shadow: var(--lb-shadow);
}

.lb-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.lb-detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  padding: 5px 12px;
  border-radius: 999px;
  color: var(--lb-text-soft);
  background: var(--lb-bg-soft);
  border: 1px solid var(--lb-border);
}

.lb-detail-badge.lb-accent {
  color: var(--lb-blue);
  background: var(--lb-glow);
  border-color: rgba(22, 119, 255, 0.25);
}

.lb-detail-title {
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 12px;
}

.lb-detail-desc {
  color: var(--lb-text-soft);
  font-size: 0.98rem;
  line-height: 1.75;
  max-width: 720px;
}

.lb-detail-thumb {
  margin-top: 22px;
  border-radius: 16px;
  overflow: hidden;
  max-height: 420px;
  border: 1px solid var(--lb-border);
}

.lb-detail-thumb img {
  width: 100%;
  object-fit: cover;
  display: block;
}

.lb-article-body {
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 22px;
  padding: 32px 36px;
  margin-bottom: 22px;
  box-shadow: var(--lb-shadow);
}

.lb-article-body h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--lb-blue);
  margin: 32px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--lb-border);
}

.lb-article-body h2:first-child {
  margin-top: 0;
}

.lb-article-body h3 {
  font-size: 1.02rem;
  font-weight: 600;
  margin: 22px 0 10px;
}

.lb-article-body p {
  color: var(--lb-text);
  font-size: 0.96rem;
  line-height: 1.85;
  margin-bottom: 14px;
}

.lb-article-body ul,
.lb-article-body ol {
  color: var(--lb-text);
  font-size: 0.96rem;
  line-height: 1.85;
  padding-left: 22px;
  margin-bottom: 16px;
}

.lb-article-body li {
  margin-bottom: 6px;
}

.lb-article-body strong {
  color: var(--lb-text);
  font-weight: 700;
}

.lb-article-body a {
  color: var(--lb-blue);
  text-decoration: underline;
}

.lb-article-body code {
  font-family: "Space Grotesk", monospace;
  font-size: 0.85em;
  color: var(--lb-blue);
  background: var(--lb-glow);
  padding: 2px 6px;
  border-radius: 5px;
}

.lb-article-body pre,
.lb-article-body .ql-code-block-container,
.lb-article-body .ql-syntax {
  background: var(--lb-bg-soft) !important;
  border: 1px solid var(--lb-border);
  border-radius: 14px;
  overflow-x: auto;
  margin: 14px 0;
  padding: 16px 18px;
}

.lb-article-body pre code,
.lb-article-body .ql-code-block,
.lb-article-body .ql-syntax {
  font-family: "Space Grotesk", monospace !important;
  font-size: 12.5px !important;
  color: var(--lb-blue-deep) !important;
  line-height: 1.7;
  background: none !important;
  white-space: pre;
  display: block;
}

.lb-article-body blockquote {
  background: var(--lb-glow);
  border-left: 3px solid var(--lb-blue);
  border-radius: 0 14px 14px 0;
  padding: 14px 20px;
  margin: 16px 0;
  font-size: 13px;
  color: var(--lb-text-soft);
}

.lb-article-body img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--lb-border);
  margin: 16px 0;
  display: block;
}

.lb-github-section {
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 22px;
  box-shadow: var(--lb-shadow);
}

.lb-github-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  border-bottom: 1px solid var(--lb-border);
}

.lb-github-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--lb-blue);
  display: flex;
  align-items: center;
  gap: 9px;
}

.lb-github-tag {
  font-size: 10px;
  color: var(--lb-text-soft);
  border: 1px solid var(--lb-border);
  padding: 2px 8px;
  border-radius: 6px;
}

.lb-github-body {
  padding: 18px 22px;
}

.lb-github-desc {
  font-size: 0.86rem;
  color: var(--lb-text-soft);
  margin-bottom: 14px;
  line-height: 1.6;
}

.lb-github-card {
  background: var(--lb-bg-soft);
  border: 1px solid var(--lb-border);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: all 0.25s ease;
}

.lb-github-card:hover {
  border-color: var(--lb-blue);
  box-shadow: var(--lb-shadow);
}

.lb-github-card-icon {
  font-size: 1.3rem;
  color: var(--lb-blue);
  flex-shrink: 0;
}

.lb-github-card-text {
  flex: 1;
  min-width: 0;
}

.lb-github-card-label {
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lb-text-soft);
  display: block;
  margin-bottom: 3px;
}

.lb-github-card-url {
  font-size: 13px;
  font-weight: 600;
  color: var(--lb-blue);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.lb-detail-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 36px;
  padding-top: 26px;
  border-top: 1px solid var(--lb-border);
}

.lb-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 14px;
  font-size: 12px;
  color: var(--lb-text);
  transition: all 0.25s ease;
}

.lb-nav-btn:hover {
  border-color: var(--lb-blue);
  color: var(--lb-blue);
  box-shadow: var(--lb-shadow);
}

.lb-nav-btn.lb-disabled {
  opacity: 0.4;
  pointer-events: none;
}

.lb-nav-btn span {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-weight: 600;
}

.lb-nav-btn small {
  font-size: 9.5px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--lb-text-soft);
  font-weight: 500;
}

/* TOC sidebar */
.lb-toc-sidebar {
  position: sticky;
  top: 100px;
  background: var(--lb-white);
  border: 1px solid var(--lb-border);
  border-radius: 20px;
  padding: 22px 24px;
  box-shadow: var(--lb-shadow);
}

.lb-toc-title {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--lb-text-soft);
  margin-bottom: 14px;
  display: block;
}

.lb-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.lb-toc-list li {
  margin-bottom: 2px;
}

.lb-toc-list a {
  font-size: 12.5px;
  color: var(--lb-text-soft);
  display: block;
  padding: 6px 10px;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.lb-toc-list a:hover,
.lb-toc-list a.active {
  color: var(--lb-blue);
  background: var(--lb-glow);
}

.lb-error-state {
  text-align: center;
  padding: 100px 20px;
}

.lb-error-state i {
  font-size: 3rem;
  color: var(--lb-text-soft);
  display: block;
  margin-bottom: 18px;
}

.lb-error-state p {
  color: var(--lb-text-soft);
  font-size: 14px;
  margin-bottom: 26px;
}

@media (max-width: 991px) {
  .lb-toc-sidebar {
    display: none;
  }
  .lb-detail-header {
    padding: 24px 22px;
  }
  .lb-article-body {
    padding: 22px 20px;
  }
  .lb-detail-nav {
    flex-direction: column;
  }
  .lb-nav-btn {
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lb-stagger-in,
  .lb-particle-dot,
  .lb-saber-stroke,
  .lb-practicum-card.lb-clicked {
    animation: none !important;
  }
  .lb-practicum-card.lb-reveal,
  .lb-practicum-card {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}