/*
 * Jellyk — Modular, responsive theme for zkBricks
 * Mobile-first, touch-friendly, soft “jelly” aesthetic
 */

/* ========== 1. Variables (customize here) ========== */
:root,
[data-bs-theme="light"] {
  --jellyk-radius: 1rem;
  --jellyk-radius-sm: 0.5rem;
  --jellyk-radius-lg: 1.5rem;
  --jellyk-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --jellyk-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
  --jellyk-transition: 0.2s ease;
  --jellyk-bg: #f8f6ff;
  --jellyk-surface: #ffffff;
  --jellyk-text: #1a1a2e;
  --jellyk-text-muted: #5c5c7a;
  --jellyk-accent: #6366f1;
  --jellyk-accent-hover: #4f46e5;
  --jellyk-border: rgba(0, 0, 0, 0.06);
  --jellyk-header-bg: rgba(255, 255, 255, 0.9);
  --jellyk-header-border: rgba(0, 0, 0, 0.06);
  --jellyk-highlight-bg: #eaf3ff;
  --jellyk-highlight-border: #5f8fda;
  --jellyk-highlight-text: #163357;
  --jellyk-figure-bg: #f8fbff;
  --jellyk-figure-border: #d7e6ff;
  --jellyk-figure-canvas-bg: #ffffff;
  --jellyk-figure-canvas-border: #dbe6f7;
}

[data-bs-theme="dark"] {
  --jellyk-bg: #0f0f1a;
  --jellyk-surface: #1a1a2e;
  --jellyk-text: #e8e8f0;
  --jellyk-text-muted: #9898b0;
  --jellyk-accent: #818cf8;
  --jellyk-accent-hover: #a5b4fc;
  --jellyk-border: rgba(255, 255, 255, 0.08);
  --jellyk-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --jellyk-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);
  --jellyk-header-bg: rgba(15, 15, 26, 0.95);
  --jellyk-header-border: rgba(255, 255, 255, 0.08);
  --jellyk-highlight-bg: #14263f;
  --jellyk-highlight-border: #6ca0f2;
  --jellyk-highlight-text: #d9e9ff;
  --jellyk-figure-bg: #1b2638;
  --jellyk-figure-border: #334968;
  --jellyk-figure-canvas-bg: #eef4ff;
  --jellyk-figure-canvas-border: #93aacd;
}

/* ========== 2. Base & layout (mobile-first) ========== */
.bd-mode-toggle {
  z-index: 1050;
}

.jellyk-skip-link {
  position: absolute;
  top: -3rem;
  left: max(1rem, env(safe-area-inset-left));
  z-index: 1100;
  padding: 0.5rem 1rem;
  background: var(--jellyk-accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--jellyk-radius-sm);
  transition: top 0.15s ease;
}

.jellyk-skip-link:focus {
  top: max(0.5rem, env(safe-area-inset-top));
  outline: 2px solid var(--jellyk-text);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-skip-link {
    transition: none;
  }
}

.jellyk-body {
  min-height: 100vh;
  min-height: 100dvh;
  background: var(--jellyk-bg);
  color: var(--jellyk-text);
  text-shadow: none;
  box-shadow: none;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.jellyk-body *:focus {
  outline: none;
}

.jellyk-body *:focus-visible {
  outline: 2px solid var(--jellyk-accent);
  outline-offset: 2px;
}

.jellyk-container {
  width: 100%;
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
}

/* ========== 3. Header & nav (responsive) ========== */
.jellyk-header {
  position: sticky;
  top: 0;
  z-index: 1020;
  background: var(--jellyk-header-bg);
  border-bottom: 1px solid var(--jellyk-header-border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding-top: env(safe-area-inset-top);
}

.jellyk-header .navbar {
  padding: 0.75rem max(1rem, env(safe-area-inset-left)) 0.75rem max(1rem, env(safe-area-inset-right));
  flex-wrap: wrap;
}

.jellyk-brand {
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--jellyk-text) !important;
  text-decoration: none;
  border-radius: var(--jellyk-radius-sm);
  padding: 0.35rem 0.5rem;
  transition: background var(--jellyk-transition), color var(--jellyk-transition);
}

.jellyk-brand:hover {
  color: var(--jellyk-accent) !important;
  background: var(--jellyk-border);
}

/* Navbar toggler: hamburger (mobile) */
.jellyk-header .navbar-toggler {
  border: 1px solid var(--jellyk-border);
  border-radius: var(--jellyk-radius-sm);
  padding: 0.5rem 0.6rem;
  min-width: 44px;
  min-height: 44px;
  transition: background var(--jellyk-transition), border-color var(--jellyk-transition);
}

.jellyk-header .navbar-toggler:hover {
  background: var(--jellyk-border);
}

.jellyk-header .navbar-toggler:focus {
  box-shadow: 0 0 0 2px var(--jellyk-accent);
}

.jellyk-header .navbar-toggler-icon {
  width: 1.2rem;
  height: 1.2rem;
}

/* Nav links: stacked on mobile, row on desktop */
.jellyk-nav {
  margin-top: 0.5rem;
  padding: 0.5rem 0;
  border-radius: var(--jellyk-radius);
  background: var(--jellyk-surface);
  border: 1px solid var(--jellyk-border);
  box-shadow: var(--jellyk-shadow);
}

@media (min-width: 768px) {
  .jellyk-nav {
    margin-top: 0;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    flex-direction: row;
  }
}

.jellyk-nav .nav-link {
  display: block;
  padding: 0.6rem 1rem;
  color: var(--jellyk-text-muted);
  font-weight: 500;
  border-radius: var(--jellyk-radius-sm);
  transition: color var(--jellyk-transition), background var(--jellyk-transition);
  min-height: 44px;
  min-width: 44px;
  line-height: 1.4;
  display: flex;
  align-items: center;
}

@media (min-width: 768px) {
  .jellyk-nav .nav-link {
    display: inline-flex;
    padding: 0.35rem 0.6rem;
    min-height: auto;
    min-width: auto;
  }
}

.jellyk-nav .nav-link:hover,
.jellyk-nav .nav-link:focus {
  color: var(--jellyk-accent);
  background: var(--jellyk-border);
}

.jellyk-nav .nav-link.active {
  color: var(--jellyk-accent);
  background: rgba(99, 102, 241, 0.1);
}

@media (min-width: 768px) {
  .jellyk-nav .nav-link.active {
    border-left: 3px solid var(--jellyk-accent);
    padding-left: calc(0.6rem + 3px);
    margin-left: 1px;
  }
}

.jellyk-nav .nav-link + .nav-link {
  margin-left: 0;
}

@media (min-width: 768px) {
  .jellyk-nav .nav-link + .nav-link {
    margin-left: 0.25rem;
  }
}

/* ========== 4. Main content ========== */
.jellyk-main {
  flex: 1;
  padding: 1.5rem max(1rem, env(safe-area-inset-left)) 2rem max(1rem, env(safe-area-inset-right));
}

@media (min-width: 576px) {
  .jellyk-main {
    padding-top: 2rem;
  }
}

.jellyk-main .lead {
  font-size: 1.1rem;
  line-height: 1.65;
}

@media (min-width: 576px) {
  .jellyk-main .lead {
    font-size: 1.2rem;
  }
}

/* Hero block */
.jellyk-hero {
  padding: 0.5rem 0 1rem;
}

.jellyk-hero-title {
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--jellyk-text);
  margin-bottom: 0.5rem;
  line-height: 1.15;
}

.jellyk-hero-tagline {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--jellyk-accent);
  margin-bottom: 0.75rem;
}

.jellyk-hero-desc {
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 1.5rem;
  color: var(--jellyk-text-muted);
}

.jellyk-hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

/* Goals section */
.jellyk-goals {
  text-align: left;
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.jellyk-goals-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--jellyk-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.jellyk-goals-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--jellyk-text-muted);
  margin: 0;
}

/* Value props / feature cards */
.jellyk-value-props {
  max-width: 56rem;
  margin-left: auto;
  margin-right: auto;
}

.jellyk-value-props .row {
  --bs-gutter-x: 1rem;
}

.jellyk-value-card {
  padding: 1.25rem !important;
  transition: transform var(--jellyk-transition), box-shadow var(--jellyk-transition);
}

.jellyk-value-card:hover {
  transform: translateY(-2px);
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-value-card:hover {
    transform: none;
  }
}

.jellyk-value-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--jellyk-radius-sm);
  background: rgba(99, 102, 241, 0.12);
  color: var(--jellyk-accent);
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.jellyk-value-card h3 {
  color: var(--jellyk-text);
  font-weight: 600;
}

.jellyk-value-card p {
  color: var(--jellyk-text-muted);
  line-height: 1.55;
}

/* ========== 5. Buttons (jelly style) ========== */
.jellyk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.25rem;
  font-weight: 600;
  border-radius: var(--jellyk-radius);
  border: none;
  transition: transform var(--jellyk-transition), box-shadow var(--jellyk-transition), background var(--jellyk-transition);
  min-height: 44px;
  min-width: 44px;
}

.jellyk-btn-primary {
  background: var(--jellyk-accent);
  color: #fff;
  box-shadow: var(--jellyk-shadow);
}

.jellyk-btn-primary:hover {
  background: var(--jellyk-accent-hover);
  box-shadow: var(--jellyk-shadow-hover);
  color: #fff;
}

.jellyk-btn:active {
  transform: scale(0.98);
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-btn,
  .jellyk-btn:active {
    transform: none;
    transition: none;
  }
}

.jellyk-btn-outline {
  background: transparent;
  color: var(--jellyk-accent);
  border: 2px solid var(--jellyk-accent);
}

.jellyk-btn-outline:hover {
  background: rgba(99, 102, 241, 0.1);
  color: var(--jellyk-accent-hover);
  border-color: var(--jellyk-accent-hover);
}

.jellyk-btn:focus-visible {
  outline: 2px solid var(--jellyk-accent);
  outline-offset: 2px;
}

/* ========== 6. Cards / surfaces ========== */
.jellyk-card {
  background: var(--jellyk-surface);
  border: 1px solid var(--jellyk-border);
  border-radius: var(--jellyk-radius);
  box-shadow: var(--jellyk-shadow);
  padding: 1rem;
  transition: box-shadow var(--jellyk-transition);
}

@media (min-width: 576px) {
  .jellyk-card {
    padding: 1.25rem;
  }
}

.jellyk-card:hover {
  box-shadow: var(--jellyk-shadow-hover);
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-card {
    transition: none;
  }
}

/* ========== 7. Footer ========== */
.jellyk-footer {
  padding: 1.25rem max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-right));
  color: var(--jellyk-text-muted);
  font-size: 0.9rem;
  border-top: 1px solid var(--jellyk-border);
}

.jellyk-footer-inner {
  max-width: 42rem;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.jellyk-footer p {
  margin-bottom: 0.25rem;
}

.jellyk-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: center;
  margin-top: 0.5rem;
}

.jellyk-footer-nav a {
  color: var(--jellyk-text);
  text-decoration: none;
  transition: color var(--jellyk-transition);
}

.jellyk-footer-nav a:hover {
  color: var(--jellyk-accent);
}

.jellyk-footer a:not(.jellyk-footer-nav a) {
  color: var(--jellyk-text);
  text-decoration: none;
  transition: color var(--jellyk-transition);
}

.jellyk-footer a:not(.jellyk-footer-nav a):hover {
  color: var(--jellyk-accent);
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-footer-nav a,
  .jellyk-footer a {
    transition: none;
  }
}

/* ========== 8. Theme toggle (position for mobile) ========== */
.jellyk-theme-toggle {
  position: fixed;
  bottom: max(1rem, env(safe-area-inset-bottom));
  right: max(1rem, env(safe-area-inset-right));
  z-index: 1050;
}

.jellyk-theme-toggle .btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--jellyk-border);
  background: var(--jellyk-surface) !important;
  color: var(--jellyk-text) !important;
  box-shadow: var(--jellyk-shadow);
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--jellyk-transition), box-shadow var(--jellyk-transition);
}

.jellyk-theme-toggle .btn:hover {
  box-shadow: var(--jellyk-shadow-hover);
}

.jellyk-theme-toggle .dropdown-menu {
  border-radius: var(--jellyk-radius);
  border: 1px solid var(--jellyk-border);
  box-shadow: var(--jellyk-shadow);
  padding: 0.25rem;
}

/* ========== 9. Blog list ========== */
.jellyk-article-link {
  display: block;
  position: relative;
  padding: 1rem 2.5rem 1rem 1rem;
  border-radius: var(--jellyk-radius-sm);
  color: var(--jellyk-text);
  text-decoration: none;
  transition: background var(--jellyk-transition), color var(--jellyk-transition);
  min-height: 44px;
}

.jellyk-article-link:hover {
  background: var(--jellyk-border);
  color: var(--jellyk-accent);
}

/* Blog list: read-more arrow */

.jellyk-article-link::after {
  content: "→";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0.5;
  transition: opacity var(--jellyk-transition), transform var(--jellyk-transition);
}

.jellyk-article-link:hover::after {
  opacity: 1;
  transform: translateY(-50%) translateX(2px);
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-article-link::after,
  .jellyk-article-link:hover::after {
    transition: none;
  }
  .jellyk-article-link:hover::after {
    transform: translateY(-50%);
  }
}

/* ========== 10. Blog post content ========== */
.jellyk-article {
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.jellyk-article h1,
.jellyk-article h2,
.jellyk-article h3 {
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.jellyk-article p {
  margin-bottom: 1em;
  line-height: 1.7;
}

.jellyk-article hr {
  border-color: var(--jellyk-border);
  margin: 2rem 0;
}

.jellyk-article .lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--jellyk-text-muted);
}

.jellyk-article h1 {
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
}

.jellyk-article h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.75em;
}

.jellyk-article img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* ========== 11. Utility: hide on small, show on md+ ========== */
.jellyk-mobile-only {
  display: block;
}

@media (min-width: 768px) {
  .jellyk-mobile-only {
    display: none !important;
  }
}

.jellyk-desktop-only {
  display: none;
}

@media (min-width: 768px) {
  .jellyk-desktop-only {
    display: block;
  }
}

/* ========== 12. Team page ========== */
.jellyk-team-list {
  max-width: 52rem;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.jellyk-team-card {
  padding: 0 !important;
  background: none !important;
  border: none !important;
  box-shadow: none !important;
  padding-bottom: 2.5rem !important;
  border-bottom: 1px solid var(--jellyk-border);
  border-radius: 0;
}

.jellyk-team-card:last-child {
  border-bottom: none;
  padding-bottom: 0 !important;
}

.jellyk-team-card-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

@media (min-width: 576px) {
  .jellyk-team-card-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: 1.5rem;
  }
}

.jellyk-team-photo-wrap {
  flex-shrink: 0;
}

.jellyk-team-photo {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  display: block;
  flex-shrink: 0;
}

img.jellyk-team-photo {
  object-fit: cover;
  background: var(--jellyk-border);
}

.jellyk-team-photo circle {
  transition: fill 0.2s ease;
}

@media (min-width: 576px) {
  .jellyk-team-photo {
    width: 128px;
    height: 128px;
  }
}

.jellyk-team-info {
  flex: 1;
  min-width: 0;
}

.jellyk-team-name {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--jellyk-text);
  margin: 0 0 0.25rem 0;
  letter-spacing: -0.01em;
}

.jellyk-team-bio {
  color: var(--jellyk-text-muted);
  line-height: 1.6;
  margin: 0 0 0.5rem 0;
  font-size: 0.9375rem;
}

.jellyk-team-website {
  color: var(--jellyk-accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--jellyk-transition);
}

.jellyk-team-website:hover {
  color: var(--jellyk-accent-hover);
}

/* ========== 13. Research page ========== */
.jellyk-main.research-page {
  max-width: 96rem;
}

.jellyk-research-grid {
  display: grid;
  grid-template-columns: minmax(18rem, 1fr) minmax(24rem, 2fr);
  gap: 2.5rem;
  align-items: stretch;
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  height: calc(100vh - 10rem);
  min-height: 24rem;
}

@media (max-width: 768px) {
  .jellyk-research-grid {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
  }
}

.jellyk-research-left {
  min-height: 0;
  overflow-y: auto;
}

.jellyk-research-right {
  min-width: 0;
  min-height: 0;
  overflow-y: auto;
}

@media (max-width: 768px) {
  .jellyk-research-left,
  .jellyk-research-right {
    overflow-y: visible;
  }
}

.jellyk-research-list {
  max-width: none;
}

/* Featured paper (zkSecurity-style) */
.jellyk-research-featured {
  padding: 1.5rem;
  background: var(--jellyk-surface);
  border: 1px solid var(--jellyk-border);
  border-radius: var(--jellyk-radius);
  box-shadow: var(--jellyk-shadow);
  transition: box-shadow var(--jellyk-transition);
}

.jellyk-research-featured:hover {
  box-shadow: var(--jellyk-shadow-hover);
}

.jellyk-research-featured-link {
  color: var(--jellyk-text);
}

.jellyk-research-featured-link:hover {
  color: var(--jellyk-text);
}

.jellyk-research-featured-badge {
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.jellyk-research-featured-title {
  font-weight: 600;
  line-height: 1.35;
}

.jellyk-research-cta {
  color: var(--jellyk-accent);
  font-weight: 500;
  font-size: 0.9375rem;
  transition: color var(--jellyk-transition);
}

.jellyk-research-featured-links {
  margin-top: 0.5rem;
}

.jellyk-research-featured-links a:hover {
  color: var(--jellyk-accent-hover);
}

.jellyk-research-featured-link:hover .jellyk-research-cta {
  color: var(--jellyk-accent-hover);
}

.jellyk-research-category-title {
  color: var(--jellyk-text);
  font-weight: 600;
  padding-bottom: 0.25rem;
  border-bottom: 1px solid var(--jellyk-border);
}

.jellyk-research-paper-links {
  flex-shrink: 0;
  font-size: 0.875rem;
}

.jellyk-research-paper-links a {
  color: var(--jellyk-accent);
  text-decoration: none;
  transition: color var(--jellyk-transition);
}

.jellyk-research-paper-links a:hover {
  color: var(--jellyk-accent-hover);
}

.jellyk-research-paper-dblp {
  color: var(--jellyk-text-muted) !important;
}

.jellyk-research-paper-dblp:hover {
  color: var(--jellyk-accent) !important;
}

/* Numbered timeline list */
.jellyk-research-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.jellyk-research-timeline-item {
  border-bottom: 1px solid var(--jellyk-border);
}

.jellyk-research-timeline-item:last-child {
  border-bottom: none;
}

.jellyk-research-timeline-link {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.75rem 0;
  color: var(--jellyk-text);
  transition: background var(--jellyk-transition);
}

.jellyk-research-timeline-link:hover {
  color: var(--jellyk-text);
  background: var(--jellyk-border);
}

.jellyk-research-timeline-num {
  flex-shrink: 0;
  width: 1.75rem;
  font-variant-numeric: tabular-nums;
  font-size: 0.8125rem;
  color: var(--jellyk-text-muted);
}

.jellyk-research-timeline-content {
  flex: 1;
  min-width: 0;
}

.jellyk-research-timeline-title {
  font-weight: 500;
  color: var(--jellyk-text);
}

a.jellyk-research-timeline-title:hover {
  color: var(--jellyk-accent);
}

.jellyk-research-cta-inline {
  flex-shrink: 0;
  font-size: 0.875rem;
  color: var(--jellyk-accent);
  opacity: 0;
  transition: opacity var(--jellyk-transition), color var(--jellyk-transition);
}

.jellyk-research-timeline-link:hover .jellyk-research-cta-inline {
  opacity: 1;
}

.jellyk-research-cta-inline:hover {
  color: var(--jellyk-accent-hover);
}

.tracking {
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .jellyk-research-featured,
  .jellyk-research-timeline-link,
  .jellyk-research-cta-inline {
    transition: none;
  }
}

/* Research page: venue statistics pie chart */
.jellyk-research-stats {
  max-width: none;
  padding: 1.25rem;
  margin-bottom: 2.5rem;
  background: var(--jellyk-surface);
  border: 1px solid var(--jellyk-border);
  border-radius: var(--jellyk-radius);
  box-shadow: var(--jellyk-shadow);
}

.jellyk-pie-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
}

.jellyk-pie {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  flex-shrink: 0;
}

.jellyk-pie-legend {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9375rem;
}

.jellyk-pie-legend li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.jellyk-pie-legend-swatch {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 2px;
  flex-shrink: 0;
}

.jellyk-pie-legend-label {
  color: var(--jellyk-text);
}

.jellyk-pie-legend-count {
  color: var(--jellyk-text-muted);
  font-variant-numeric: tabular-nums;
}

/* ========== 14. Blog post TOC sidebar ========== */
.jellyk-main.jellyk-main-post {
  max-width: min(72rem, 100%);
}

.jellyk-post-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.jellyk-post-content {
  min-width: 0;
}

.jellyk-post-toc {
  position: relative;
  background: var(--jellyk-surface);
  border: 1px solid var(--jellyk-border);
  border-radius: var(--jellyk-radius);
  box-shadow: var(--jellyk-shadow);
  padding: 0.75rem;
}

.jellyk-post-toc-toggle {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.45rem 0.5rem;
  border: none;
  border-radius: var(--jellyk-radius-sm);
  background: transparent;
  color: var(--jellyk-text);
  font-weight: 600;
  text-align: left;
}

.jellyk-post-toc-toggle:hover {
  background: var(--jellyk-border);
}

.jellyk-post-toc-toggle::after {
  content: "";
  width: 0.48rem;
  height: 0.48rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  transform-origin: center;
  opacity: 0.75;
  transition: transform var(--jellyk-transition), opacity var(--jellyk-transition);
}

.jellyk-post-toc.is-collapsed .jellyk-post-toc-toggle::after {
  transform: rotate(-45deg) translateX(1px);
}

.jellyk-post-toc-toggle:hover::after {
  opacity: 1;
}

.jellyk-post-toc-list {
  margin-top: 0.4rem;
}

.jellyk-post-toc.is-collapsed .jellyk-post-toc-list {
  display: none;
}

.jellyk-post-toc-items {
  list-style: none;
  margin: 0;
  padding: 0;
}

.jellyk-post-toc-item a {
  display: block;
  padding: 0.35rem 0.5rem;
  border-radius: var(--jellyk-radius-sm);
  color: var(--jellyk-text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.4;
}

.jellyk-post-toc-item a:hover {
  color: var(--jellyk-accent);
  background: var(--jellyk-border);
}

.jellyk-post-toc-item a.is-active,
.jellyk-post-toc-item a[aria-current="location"] {
  color: var(--jellyk-accent);
  background: rgba(99, 102, 241, 0.14);
  font-weight: 600;
}

.jellyk-post-toc-item.is-child a {
  padding-left: 1.15rem;
  font-size: 0.88rem;
}

@media (min-width: 992px) {
  .jellyk-post-layout:not(.jellyk-post-layout-no-toc) {
    grid-template-columns: minmax(13rem, 16rem) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
  }

  .jellyk-post-toc {
    position: sticky;
    top: calc(4.5rem + env(safe-area-inset-top));
    align-self: start;
    max-height: calc(100vh - 5.5rem);
    overflow: auto;
  }
}

/* ========== 15. Reusable blog code box ========== */
.jellyk-code-box {
  max-width: min(34rem, 100%);
  margin: 1.25rem auto;
  padding: 0.9rem 1rem;
  background: var(--jellyk-surface);
  border: 1px solid var(--jellyk-border);
  border-radius: var(--jellyk-radius-sm);
  box-shadow: var(--jellyk-shadow);
}

.jellyk-code-box pre {
  margin: 0;
  background: transparent;
  border: 0;
  padding: 0;
  white-space: pre;
  overflow-x: auto;
}

.jellyk-code-box code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.94rem;
  line-height: 1.45;
  color: var(--jellyk-text);
}

/* ========== 16. Reusable highlighted callout box ========== */
.jellyk-highlight-box {
  width: 100%;
  box-sizing: border-box;
  margin: 1rem 0;
  padding: 0.9rem 1rem;
  background: var(--jellyk-highlight-bg);
  border: 2px solid var(--jellyk-highlight-border);
  border-radius: 0;
  color: var(--jellyk-highlight-text);
}

.jellyk-highlight-box > :last-child {
  margin-bottom: 0;
}

/* ========== 17. Reusable claim box ========== */
.jellyk-claim-box {
  width: 100%;
  box-sizing: border-box;
  margin: 1rem 0;
  padding: 0.85rem 1rem;
  background: var(--jellyk-surface);
  border-left: 4px solid var(--jellyk-accent);
  border-top: 1px solid var(--jellyk-border);
  border-right: 1px solid var(--jellyk-border);
  border-bottom: 1px solid var(--jellyk-border);
  box-shadow: var(--jellyk-shadow);
}

.jellyk-claim-box p {
  margin: 0;
  color: var(--jellyk-text);
  line-height: 1.55;
}

/* ========== 18. Reusable blog image figure ========== */
.jellyk-figure {
  width: 100%;
  box-sizing: border-box;
  margin: 1.25rem 0;
  padding: 0.75rem;
  background: var(--jellyk-figure-bg);
  border: 1px solid var(--jellyk-figure-border);
  border-radius: var(--jellyk-radius-sm);
}

.jellyk-figure img {
  display: block;
  width: 100%;
  height: auto;
  padding: 0.45rem;
  background: var(--jellyk-figure-canvas-bg);
  border: 1px solid var(--jellyk-figure-canvas-border);
  border-radius: calc(var(--jellyk-radius-sm) - 2px);
  box-sizing: border-box;
}

.jellyk-figure figcaption {
  margin-top: 0.6rem;
  color: var(--jellyk-text-muted);
  font-size: 0.9rem;
}