/**
 * Design Token System & Custom Stylesheet
 * Theme: CurioSpace Editorial
 */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Merriweather:ital,wght@0,300;0,400;0,700;1,300;1,400&family=Patrick+Hand&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
  /* HSL Color System */
  --color-paper: hsl(40, 24%, 98%);
  --color-ink: hsl(210, 24%, 15%);
  --color-ink-muted: hsl(210, 10%, 45%);
  --color-white: hsl(0, 0%, 100%);
  --color-ghost: hsla(210, 20%, 15%, 0.04);
  --color-ghost-hover: hsla(210, 20%, 15%, 0.08);
  --border-subtle: hsla(210, 20%, 15%, 0.07);

  /* Curated Kids-Friendly Category HSL Tones */
  --subject-science-bg: hsl(168, 55%, 93%);
  --subject-science-text: hsl(168, 60%, 20%);
  
  --subject-art-bg: hsl(262, 45%, 94%);
  --subject-art-text: hsl(262, 50%, 25%);
  
  --subject-tech-bg: hsl(42, 90%, 92%);
  --subject-tech-text: hsl(42, 80%, 20%);
  
  --subject-general-bg: hsl(12, 85%, 93%);
  --subject-general-text: hsl(12, 70%, 24%);

  /* Brand Accents */
  --color-accent: hsl(158, 64%, 28%);
  --color-accent-soft: hsla(158, 64%, 28%, 0.08);
  --color-gold: hsl(38, 92%, 50%);
  --color-love: hsl(350, 85%, 58%);
  --color-love-soft: hsla(350, 85%, 58%, 0.08);

  /* Typography Variables */
  --font-serif: 'Merriweather', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Shadows & Aesthetics */
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 8px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.06), 0 4px 12px -2px rgba(0, 0, 0, 0.03);
  --shadow-lift: 0 20px 40px -6px rgba(0, 0, 0, 0.08), 0 8px 16px -3px rgba(0, 0, 0, 0.04);
  
  --radius-xs: 6px;
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-full: 9999px;

  /* Smooth Timing Functions */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Reset and Global Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem); /* Responsive baseline */
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

/* Typography Rhythm */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-ink);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.025em;
  margin-bottom: 0.5em;
}

h1 { font-size: clamp(2.25rem, 1.8rem + 1.8vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 1.5rem + 1vw, 2.5rem); }
h3 { font-size: clamp(1.35rem, 1.2rem + 0.6vw, 1.8rem); }

/* Layout Blocks */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Responsive Sticky Glass Navbar */
.nav-shell {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: hsla(40, 24%, 98%, 0.8);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 0;
  transition: var(--transition-smooth);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand-wrapper {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  letter-spacing: 0.15em;
  color: var(--color-ink);
  text-transform: uppercase;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--color-ink-muted);
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Elegant Search Wrapper */
.search-form-wrapper {
  flex-grow: 1;
  max-width: 380px;
  position: relative;
}

.search-input {
  width: 100%;
  padding: 0.6rem 1.25rem 0.6rem 2.75rem;
  border: 1px solid var(--border-subtle);
  background-color: var(--color-white);
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.search-input::placeholder {
  color: var(--color-ink-muted);
  opacity: 0.7;
}

.search-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
  background-color: var(--color-white);
}

.search-icon-btn {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  border: none;
  background: none;
  color: var(--color-ink-muted);
  font-size: 1rem;
  pointer-events: none;
}

/* User Interface Controls */
.menu-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.control-btn {
  padding: 0.5rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: var(--transition-smooth);
}

.control-btn-ghost {
  color: var(--color-ink-muted);
}

.control-btn-ghost:hover {
  color: var(--color-ink);
  background-color: var(--color-ghost);
}

.control-btn-solid {
  background-color: var(--color-ink);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.control-btn-solid:hover {
  background-color: hsl(210, 24%, 20%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* Student Badge Caps */
.student-badge-cap {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-science { background-color: var(--subject-science-bg); color: var(--subject-science-text); }
.badge-art { background-color: var(--subject-art-bg); color: var(--subject-art-text); }
.badge-tech { background-color: var(--subject-tech-bg); color: var(--subject-tech-text); }
.badge-general { background-color: var(--subject-general-bg); color: var(--subject-general-text); }

/* Publishing Feed Loop styles */
.feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  padding: 3rem 0;
}

@media (min-width: 992px) {
  .feed-grid {
    grid-template-columns: 8fr 3fr;
    gap: 5rem;
  }
}

/* Post Cards */
.editorial-post-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: var(--transition-smooth);
}

.card-meta-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-ink-muted);
}

.meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background-color: var(--color-ink-muted);
  opacity: 0.5;
}

.card-author-name {
  color: var(--color-ink);
  font-weight: 700;
}

.card-author-name:hover {
  text-decoration: underline;
  color: var(--color-accent);
}

.card-title-link:hover h3, 
.card-title-link:hover h2 {
  color: var(--color-accent);
}

.card-subtitle {
  font-size: clamp(1rem, 0.95rem + 0.1vw, 1.15rem);
  font-weight: 500;
  color: var(--color-ink-muted);
  line-height: 1.45;
}

.card-action-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

.tag-metric-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.read-metric {
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  font-weight: 500;
}

.bookmark-btn {
  border: none;
  background: none;
  color: var(--color-ink-muted);
  font-size: 1.15rem;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 50%;
  transition: var(--transition-smooth);
}

.bookmark-btn:hover {
  color: var(--color-accent);
  background-color: var(--color-ghost-hover);
}

/* Sidebar topics list */
.sidebar-sticky {
  position: sticky;
  top: 6.5rem;
}

.sidebar-title {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink);
  margin-bottom: 1.25rem;
  border-bottom: 2px solid var(--color-ink);
  padding-bottom: 0.5rem;
}

.tag-cloud-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.tag-cloud-item {
  display: inline-block;
  padding: 0.45rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.tag-cloud-item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.sidebar-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-size: 0.75rem;
  color: var(--color-ink-muted);
  font-weight: 500;
}

.sidebar-footer-links a:hover {
  color: var(--color-ink);
  text-decoration: underline;
}

/* Immersive Reading View Layout */
.reading-layout-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4rem;
  padding: 3.5rem 0;
}

@media (min-width: 992px) {
  .reading-layout-wrapper {
    grid-template-columns: 7.5fr 2.5fr;
    gap: 4.5rem;
  }
}

.reading-main-column {
  max-width: 100%;
}

.editorial-header-block {
  margin-bottom: 2.5rem;
}

.reading-title {
  margin-bottom: 14px !important;
  letter-spacing: -0.02em !important;
  font-family: var(--font-serif) !important;
  font-size: clamp(24px, 4.5vw, 32px) !important; /* Premium header sizing consistent with front-page.php */
  font-weight: 700 !important;
  line-height: 1.3 !important;
  color: var(--color-heading) !important; /* Graphite Charcoal */
}

.reading-subtitle {
  color: var(--color-ink-muted) !important;
  font-family: var(--font-sans) !important;
  font-weight: 500 !important;
  line-height: 1.45 !important;
  margin-bottom: 24px !important;
  font-size: clamp(14px, 2.5vw, 16px) !important; /* Subheading sizing consistent with front-page.php */
}

/* Enforce Centered Single Column Layout for Single Post page */
body.single .reading-layout-wrapper {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  max-width: 740px !important;
  margin: 0 auto !important;
  padding: 3.5rem 24px !important;
  width: 100% !important;
}

body.single .reading-main-column {
  max-width: 740px !important;
  width: 100% !important;
  margin: 0 auto !important;
}

body.single .reading-sidebar-column {
  display: none !important;
}

.author-pill-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  border-top: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
  margin-bottom: 2.5rem;
}

.profile-avatar-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), hsl(158, 64%, 45%));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.card-avatar-lg {
  width: 96px;
  height: 96px;
  font-size: 2.5rem;
  background: linear-gradient(135deg, hsl(38, 92%, 50%), hsl(12, 85%, 58%));
  margin-bottom: 1rem;
}

.author-meta-block {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.author-meta-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-ink);
}

.author-meta-title a:hover {
  color: var(--color-accent);
}

.author-sub-credential {
  font-size: 0.78rem;
  color: var(--color-ink-muted);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Immersive Body content elements */
.editorial-article-body {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1rem + 0.35vw, 1.3rem);
  line-height: 1.75;
  color: var(--color-ink);
}

.editorial-article-body p {
  margin-bottom: 1.75rem;
}

.editorial-article-body blockquote {
  font-style: italic;
  border-left: 4px solid var(--color-accent);
  padding-left: 1.5rem;
  margin: 2.5rem 0;
  font-size: 1.25em;
  color: var(--color-ink-muted);
}

/* Reading Progress Bar elements */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: transparent;
  z-index: 1010;
}

.reading-progress-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--color-accent), var(--color-gold));
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  transition: width 0.1s ease-out;
}

/* Dynamic Reactions panel */
.editorial-reactions-block {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  margin: 3.5rem 0 2rem 0;
}

.reaction-trigger-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--color-ink);
}

.reactions-list-container {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.reaction-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-bounce);
}

.reaction-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.reaction-btn:active {
  transform: scale(0.95);
}

.reaction-btn-active {
  background-color: var(--color-accent-soft);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.reaction-btn-love.reaction-btn-active {
  background-color: var(--color-love-soft);
  border-color: var(--color-love);
  color: var(--color-love);
}

.reaction-emoji {
  font-size: 1.1rem;
}

.reaction-count {
  font-size: 0.78rem;
  font-weight: 700;
}

/* Kids-Friendly Comments wrapper */
.safe-comments-shell {
  margin: 3.5rem 0;
}

.comments-title {
  font-size: 1.5rem;
  margin-bottom: 1.75rem;
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  list-style: none;
  margin-bottom: 3rem;
}

.comment-card {
  display: flex;
  gap: 1rem;
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.comment-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, hsl(262, 45%, 55%), hsl(262, 45%, 70%));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.comment-content-block {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.comment-meta-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-ink-muted);
}

.comment-author-name {
  color: var(--color-ink);
}

.comment-body-text {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-ink);
}

/* Simplified Safe Comment Form */
.comment-respond-panel {
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  padding: 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.comment-form-shell {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.comment-textarea {
  width: 100%;
  min-height: 120px;
  padding: 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--color-ink);
  outline: none;
  resize: vertical;
  transition: var(--transition-smooth);
}

.comment-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px var(--color-accent-soft);
}

.form-submit-row {
  display: flex;
  justify-content: flex-end;
}

.submit-comment-btn {
  border: none;
  background-color: var(--color-ink);
  color: var(--color-white);
  padding: 0.65rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.submit-comment-btn:hover {
  background-color: hsl(210, 24%, 22%);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Author Sidebar Card widgets */
.author-sidebar-widget {
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2.5rem;
}

.sidebar-avatar {
  width: 72px;
  height: 72px;
  margin: 0 auto 1rem auto;
  font-size: 1.8rem;
  background: linear-gradient(135deg, var(--color-accent), hsl(158, 64%, 48%));
}

.widget-author-name {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.widget-author-desc {
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  line-height: 1.45;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.widget-btn {
  display: inline-block;
  width: 100%;
  padding: 0.55rem 0;
  background-color: var(--color-ghost);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-ink);
  transition: var(--transition-smooth);
}

.widget-btn:hover {
  background-color: var(--color-ghost-hover);
  border-color: var(--color-ink);
}

/* Student Profile Cards */
.student-profile-header {
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  margin-bottom: 3.5rem;
}

.student-meta-pills {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.student-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--radius-full);
  background-color: var(--color-ghost);
  border: 1px solid var(--border-subtle);
  color: var(--color-ink-muted);
}

.student-bio-text {
  font-size: 1.1rem;
  color: var(--color-ink-muted);
  font-weight: 500;
  max-width: 580px;
  margin: 0 auto;
}

/* Badges portfolio system styles */
.badge-portfolio-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.digital-badge-capsule {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 1.15rem;
  font-size: 0.8rem;
  font-weight: 800;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, hsl(38, 92%, 95%), hsl(42, 90%, 88%));
  color: hsl(38, 90%, 25%);
  border: 1px solid hsl(38, 90%, 80%);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-bounce);
}

.digital-badge-capsule:hover {
  transform: scale(1.05) rotate(-1deg);
  box-shadow: var(--shadow-md);
}

.badge-artistic {
  background: linear-gradient(135deg, hsl(262, 45%, 96%), hsl(262, 45%, 90%));
  color: hsl(262, 50%, 30%);
  border-color: hsl(262, 50%, 85%);
}

.badge-streak {
  background: linear-gradient(135deg, hsl(350, 85%, 96%), hsl(350, 85%, 90%));
  color: hsl(350, 80%, 35%);
  border-color: hsl(350, 80%, 85%);
}

/* Interactive custom 404 block elements */
.panel-404 {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 70vh;
  padding: 2rem 0;
  gap: 1.5rem;
}

.illustration-404 {
  font-size: clamp(4rem, 3rem + 5vw, 8rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-accent), var(--color-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0;
}

.subtitle-404 {
  font-size: 1.25rem;
  color: var(--color-ink-muted);
  max-width: 480px;
  line-height: 1.5;
  margin-bottom: 1rem;
}

.action-row-404 {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Custom Utility Classes for Layout, Spacing, and Visibility */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

.mx-auto {
  margin-right: auto !important;
  margin-left: auto !important;
}

.pt-4 {
  padding-top: 1.5rem !important;
}

.mt-4 {
  margin-top: 1.5rem !important;
}

.mb-1 {
  margin-bottom: 0.25rem !important;
}

.mb-3 {
  margin-bottom: 1rem !important;
}

.mb-4 {
  margin-bottom: 1.5rem !important;
}

.fw-bold {
  font-weight: 700 !important;
}

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

.d-none {
  display: none !important;
}

@media (min-width: 768px) {
  .d-md-inline {
    display: inline !important;
  }
}

/* User Profile Capsule in Navbar */
.user-profile-capsule {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem 0.35rem 0.35rem;
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  cursor: pointer;
  vertical-align: middle;
}

.user-profile-capsule:hover {
  border-color: var(--color-accent);
  background-color: var(--color-ghost);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.capsule-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
  display: block;
}

.capsule-avatar-fallback {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), hsl(158, 64%, 45%));
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
  line-height: 1;
}

.capsule-username {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-ink);
  white-space: nowrap;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 576px) {
  .capsule-username {
    display: none;
  }
  .user-profile-capsule {
    padding: 0.25rem;
  }
}

/* ==========================================================================
   CURIOSITY SPARKS STYLES
   ========================================================================== */

.curiosity-sparks-section {
  background: linear-gradient(135deg, hsl(210, 24%, 18%), hsl(210, 24%, 12%));
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  position: relative;
  border: 1px solid hsla(0, 0%, 100%, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sparks-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.sparks-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: linear-gradient(135deg, var(--color-gold), hsl(158, 64%, 42%));
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: 0 0 10px rgba(255, 193, 7, 0.4);
  animation: pulse-spark 2s infinite alternate;
}

@keyframes pulse-spark {
  0% { box-shadow: 0 0 8px rgba(255, 193, 7, 0.3); }
  100% { box-shadow: 0 0 16px rgba(255, 193, 7, 0.6); }
}

.sparks-desc {
  font-size: 0.85rem;
  color: hsla(210, 20%, 85%, 0.8);
  font-weight: 500;
}

.sparks-ticker-container {
  overflow: hidden;
  white-space: nowrap;
  position: relative;
  width: 100%;
  padding: 0.25rem 0;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.sparks-ticker-track {
  display: inline-flex;
  gap: 3rem;
  animation: ticker-slide 32s linear infinite; /* Comfortable scrolling pace - adjust this duration to tweak speed! */
  will-change: transform;
}

.sparks-ticker-container:hover .sparks-ticker-track {
  animation-play-state: paused;
}

@keyframes ticker-slide {
  0% { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(-50%, 0, 0); }
}

.spark-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.04);
  transition: var(--transition-smooth);
}

.spark-item:hover {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: var(--color-gold);
  transform: translateY(-2px);
}

.spark-icon {
  font-size: 1.1rem;
}

.spark-text {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: hsla(0, 0%, 100%, 0.95);
}

/* Float Hover Callout */
#spark-hover-callout {
  position: absolute;
  display: none;
  z-index: 10000;
  background: linear-gradient(135deg, hsl(158, 64%, 25%), hsl(158, 64%, 18%));
  color: var(--color-white);
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-xs);
  font-size: 0.78rem;
  font-weight: 800;
  box-shadow: var(--shadow-lg);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  transform: translateY(5px);
  opacity: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

#spark-hover-callout.visible {
  opacity: 1;
  transform: translateY(0);
}

#spark-hover-callout::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: hsl(158, 64%, 18%) transparent transparent transparent;
}

/* Spark Acknowledgement Modal */
.spark-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.spark-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.spark-modal-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  padding: 2.5rem;
  box-shadow: var(--shadow-lift);
  border: 1px solid var(--border-subtle);
  text-align: center;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.spark-modal-overlay.open .spark-modal-card {
  transform: scale(1) translateY(0);
}

.spark-modal-close-btn {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--color-ink-muted);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-smooth);
}

.spark-modal-close-btn:hover {
  color: var(--color-ink);
}

.spark-modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--subject-tech-bg);
  color: var(--subject-tech-text);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.spark-modal-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
}

.spark-modal-instruction {
  font-size: 0.9rem;
  color: var(--color-ink-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

.spark-modal-preview {
  background-color: var(--color-paper);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.5rem 1.8rem;
  margin-bottom: 2rem;
  position: relative;
}

.preview-quote-icon {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.15;
  position: absolute;
  top: -0.5rem;
  left: 0.75rem;
  line-height: 1;
}

.preview-quote-icon-end {
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--color-accent);
  opacity: 0.15;
  position: absolute;
  bottom: -1.75rem;
  right: 0.75rem;
  line-height: 1;
}

.preview-text {
  font-family: 'Patrick Hand', cursive !important;
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  line-height: 1.4 !important;
  color: #121829 !important;
  position: relative;
  z-index: 1;
}

.spark-modal-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* View All Sparks Button */
.view-all-sparks-btn {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 0.45rem 1.15rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-bounce);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  outline: none;
}

.view-all-sparks-btn:hover {
  background: var(--color-white);
  color: var(--color-ink);
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.18);
}

.view-all-sparks-btn:active {
  transform: scale(0.95);
}

/* All Sparks Modal Grid Overlay */
.all-sparks-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 2rem 1rem;
}

.all-sparks-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.all-sparks-modal-container {
  background-color: var(--color-paper);
  border-radius: var(--radius-lg);
  max-width: 960px;
  width: 100%;
  max-height: 85vh;
  padding: 3rem;
  box-shadow: var(--shadow-lift);
  border: 1px solid var(--border-subtle);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  transform: scale(0.95) translateY(30px);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.all-sparks-modal-overlay.open .all-sparks-modal-container {
  transform: scale(1) translateY(0);
}

.all-sparks-modal-close-btn {
  position: absolute;
  top: 1.5rem;
  right: 2rem;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-ink-muted);
  cursor: pointer;
  line-height: 1;
  transition: var(--transition-smooth);
}

.all-sparks-modal-close-btn:hover {
  color: var(--color-ink);
}

.all-sparks-modal-header {
  text-align: center;
}

.all-sparks-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 800;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

.all-sparks-modal-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-ink);
  margin-bottom: 0.5rem;
  letter-spacing: -0.03em;
}

.all-sparks-modal-subtitle {
  font-size: 0.95rem;
  color: var(--color-ink-muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.5;
}

.all-sparks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
  overflow-y: auto;
  flex-grow: 1;
  padding: 0.5rem;
}

/* Custom Scrollbar for Grid */
.all-sparks-grid::-webkit-scrollbar {
  width: 6px;
}
.all-sparks-grid::-webkit-scrollbar-track {
  background: transparent;
}
.all-sparks-grid::-webkit-scrollbar-thumb {
  background-color: var(--border-subtle);
  border-radius: var(--radius-full);
}

/* Sparks Category Filters Row styling */
.all-sparks-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.filter-btn {
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  color: var(--color-ink-muted);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-full);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-sm);
  outline: none;
}

.filter-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.filter-btn.active {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-white);
  box-shadow: 0 4px 12px var(--color-accent-soft);
}

/* Redesigned High-Contrast Clean Grid Cards (100% Text Visibility Guarantee!) */
.spark-grid-card {
  background-color: #ffffff !important; /* Force solid pure white background */
  border: 2px solid var(--border-subtle) !important; /* Prominent clean border */
  border-radius: var(--radius-md);
  padding: 1.75rem;
  position: relative;
  cursor: pointer;
  transition: var(--transition-bounce);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
  min-height: 220px; /* High-end layout uniformity */
  z-index: 1;
}

.spark-grid-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent) !important; /* Glow transition on hover */
}

.spark-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.spark-card-badge {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.spark-grid-icon {
  font-size: 1.2rem;
  color: var(--color-gold);
}

.spark-card-body {
  flex-grow: 1;
  display: flex;
  align-items: center;
  width: 100%;
}

.spark-grid-text {
  font-family: 'Patrick Hand', cursive !important;
  font-size: 1.2rem !important;
  font-weight: 400 !important;
  line-height: 1.35 !important;
  color: #121829 !important; /* Force ultra high-contrast dark charcoal color (Always visible!) */
  margin: 0;
  text-align: left;
}

.spark-flashcard-body-text {
  font-family: 'Patrick Hand', cursive !important;
  font-size: 1.25rem !important;
  font-weight: 400 !important;
  line-height: 1.35 !important;
  color: #121829 !important;
  margin-top: 8px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
  letter-spacing: 0.01em;
}

.spark-result-card h2 {
  font-family: 'Patrick Hand', cursive !important;
  font-size: clamp(1.4rem, 1.25rem + 0.5vw, 1.95rem) !important;
  color: #121829 !important;
  line-height: 1.3 !important;
  font-weight: 400 !important;
}

.spark-card-footer {
  display: flex;
  width: 100%;
  margin-top: 0.25rem;
}

.spark-grid-action-btn {
  background-color: var(--color-ghost);
  border: 1px solid var(--border-subtle);
  color: var(--color-ink);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.55rem 0;
  width: 100%;
  text-align: center;
  border-radius: var(--radius-full);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  box-shadow: var(--shadow-sm);
}

.spark-grid-card:hover .spark-grid-action-btn {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 4px 10px var(--color-accent-soft);
}

.spark-result-card:hover .spark-grid-action-btn {
  background-color: var(--color-accent) !important;
  color: var(--color-white) !important;
  border-color: var(--color-accent) !important;
  box-shadow: 0 4px 10px var(--color-accent-soft);
}

/* ==========================================================================
   GLOBAL THEME & VISUAL REDESIGN OVERRIDES
   Matches curiospace.local subpages exactly to the visual mockup homepage!
   ========================================================================== */

:root {
  --color-page-bg: #FAF7F2;       /* Soft Ivory */
  --color-card-surface: #FFFFFF;  /* White */
  --color-sidebar-bg: #FAF7F2;    /* Card light ivory */
  --color-primary: #1A365D;       /* Deep Royal Navy */
  --color-primary-hover: #0F2545;
  --color-secondary: #F59E0B;     /* Amber Glow */
  --color-accent: #F43F5E;        /* Coral Pop */
  --color-heading: #2D2A3A;       /* Graphite Charcoal */
  --color-body: #64748B;          /* Slate */
  --color-border: #E8E3D9;        /* Warm Gray */

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'DM Sans', -apple-system, sans-serif;
  --font-mono: 'DM Mono', monospace;
  
  --color-paper: #FAF7F2 !important;
  --color-ink: #2D2A3A !important;
  --color-ink-muted: #64748B !important;
  --border-subtle: #E8E3D9 !important;
}

/* Body background grid */
body, html {
  background-color: var(--color-page-bg) !important;
  font-family: var(--font-sans) !important;
  color: var(--color-body) !important;
}

/* Re-style headings globally */
h1, h2, h3, h4, h5, h6,
.reading-title, .search-header h2 {
  font-family: var(--font-serif) !important;
  color: var(--color-heading) !important;
  font-weight: 700 !important;
}

/* Two-column layout grid for search, categories and archive pages */
.feed-grid, .reading-layout-wrapper {
  display: grid !important;
  grid-template-columns: 1.35fr 0.65fr !important;
  gap: 40px !important;
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: var(--space-xl) 24px !important;
  width: 100% !important;
}

.feed-main-col, .reading-main-column {
  display: flex !important;
  flex-direction: column !important;
  gap: 24px !important;
  width: 100% !important;
}

/* Turn standard post cards on subpages into Medium-style rows */
.editorial-post-card {
  display: flex !important;
  flex-direction: column !important;
  gap: 6px !important;
  padding: 20px 0 !important;
  border-bottom: 1px solid var(--color-border) !important;
  background: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  margin: 0 !important;
}

.editorial-post-card h2, 
.editorial-post-card h2 a, 
.editorial-post-card h3 a {
  font-family: var(--font-serif) !important;
  font-size: 20px !important;
  font-weight: 700 !important;
  color: var(--color-heading) !important;
  text-decoration: none !important;
  line-height: 1.3 !important;
}

.editorial-post-card h2 a:hover, 
.editorial-post-card h3 a:hover {
  color: var(--color-primary) !important;
}

.editorial-post-card .card-subtitle {
  font-family: var(--font-sans) !important;
  font-size: 13.5px !important;
  line-height: 1.6 !important;
  color: var(--color-body) !important;
  margin-top: 4px !important;
  margin-bottom: 4px !important;
}

.editorial-post-card .card-meta-line {
  order: 3 !important; /* Move author/date strip below excerpt */
  margin-top: 4px !important;
  font-size: 12px !important;
  color: var(--color-body) !important;
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  box-shadow: none !important;
  font-family: var(--font-sans) !important;
  display: flex !important;
  align-items: center !important;
  gap: 6px !important;
}

.editorial-post-card .profile-avatar-circle {
  display: none !important; /* Hide circular avatar to look like clean mockup text line */
}

.editorial-post-card .card-author-name {
  color: var(--color-body) !important;
  font-weight: 500 !important;
}

.editorial-post-card .card-author-name:hover {
  color: var(--color-primary) !important;
  text-decoration: none !important;
}

.editorial-post-card .card-action-bar {
  display: none !important; /* Hide old heavy horizontal footer */
}

/* Re-style sidebar column widgets */
.feed-sidebar-col, .reading-sidebar-col, .reading-sidebar-column {
  display: flex !important;
  flex-direction: column !important;
  gap: 28px !important;
  width: 100% !important;
}

.feed-sidebar-col .sidebar-sticky,
.reading-sidebar-col .sidebar-sticky,
.reading-sidebar-column .sidebar-sticky {
  position: sticky !important;
  top: 90px !important;
  display: flex !important;
  flex-direction: column !important;
  gap: 28px !important;
}

/* Make widgets match our soft ivory sidebar mockup cards */
.feed-sidebar-col .sidebar-sticky > *,
.reading-sidebar-col .sidebar-sticky > *,
.reading-sidebar-column .sidebar-sticky > * {
  background-color: var(--color-sidebar-bg) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: 8px !important;
  padding: 20px !important;
  box-shadow: none !important;
  margin: 0 !important;
}

.feed-sidebar-col .sidebar-title,
.reading-sidebar-col .sidebar-title,
.reading-sidebar-column .sidebar-title {
  font-family: var(--font-sans) !important;
  font-size: 15px !important;
  font-weight: 700 !important;
  color: var(--color-heading) !important;
  border-bottom: 1px solid var(--color-border) !important;
  padding-bottom: 8px !important;
  margin-bottom: 16px !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  background: transparent !important;
}

/* Clean up Topics cloud pills in Sidebar */
.tag-cloud-wrapper {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
  margin-bottom: 0 !important;
}

.student-badge-cap, .tag-cloud-item {
  font-family: var(--font-sans) !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  padding: 6px 12px !important;
  border-radius: 4px !important;
  border: 1px solid var(--color-border) !important;
  background-color: white !important;
  color: var(--color-heading) !important;
  box-shadow: none !important;
  text-transform: none !important;
  letter-spacing: 0 !important;
  display: inline-block !important;
}

.student-badge-cap:hover, .tag-cloud-item:hover {
  background-color: var(--color-page-bg) !important;
  border-color: var(--color-primary) !important;
  color: var(--color-primary) !important;
  transform: none !important;
}

/* Re-style Science Club card in Sidebar globally */
.feed-sidebar-col .sidebar-sticky div[style*="gradient"] {
  background: linear-gradient(135deg, #0B132B 0%, #1A365D 50%, #C2410C 100%) !important;
  color: white !important;
  text-align: center !important;
  padding: 24px 20px !important;
  border-radius: 8px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 12px !important;
  box-shadow: 0 4px 14px rgba(194, 65, 12, 0.15) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.feed-sidebar-col .sidebar-sticky div[style*="gradient"] h5 {
  font-family: var(--font-serif) !important;
  font-size: 18px !important;
  font-weight: 700 !important;
  color: white !important;
  margin: 0 !important;
}

.feed-sidebar-col .sidebar-sticky div[style*="gradient"] p {
  font-family: var(--font-sans) !important;
  font-size: 12.5px !important;
  color: rgba(255, 255, 255, 0.85) !important;
  line-height: 1.5 !important;
  margin: 0 !important;
  font-weight: 400 !important;
}

/* Responsive layouts for subpages */
@media (max-width: 992px) {
  .feed-grid, .reading-layout-wrapper {
    grid-template-columns: 1fr !important;
    gap: 32px !important;
  }
}

/* ==========================================================================
   STORY BUILDER WORKSPACE STYLES
   ========================================================================== */
.story-builder-workspace {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 32px;
  max-width: 1300px;
  margin: 3rem auto;
  padding: 0 24px;
  width: 100%;
}

.builder-canvas-panel {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.builder-header-block {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 1.5rem;
  margin-bottom: 1rem;
}

.builder-main-title {
  font-family: var(--font-serif) !important;
  font-size: clamp(2rem, 1.8rem + 1.2vw, 2.6rem) !important;
  font-weight: 800 !important;
  letter-spacing: -0.03em !important;
  color: var(--color-heading) !important;
}

.builder-subtitle-desc {
  color: var(--color-ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-top: 0.25rem;
}

.builder-alert {
  border-radius: var(--radius-sm);
  padding: 1rem;
  font-size: 0.88rem;
}

.builder-alert-error {
  background-color: hsl(350, 85%, 96%);
  border: 1px solid hsl(350, 80%, 90%);
  color: hsl(350, 80%, 35%);
}

.builder-success-panel {
  background-color: var(--subject-science-bg);
  border: 1px solid hsl(168, 60%, 80%);
  border-radius: var(--radius-sm);
  padding: 2.5rem;
  text-align: center;
  color: var(--subject-science-text);
  box-shadow: var(--shadow-sm);
}

.builder-success-panel h3 {
  color: var(--color-accent) !important;
  font-weight: 800 !important;
  margin-bottom: 0.75rem;
  font-size: 1.4rem;
}

.builder-form-shell {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.builder-form-row {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.builder-field-label {
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-heading);
  display: block;
  margin-bottom: 0.5rem;
}

.builder-input {
  padding-left: 1.25rem !important;
  border-radius: var(--radius-sm) !important;
  border: 1px solid var(--color-border) !important;
  background-color: var(--color-white) !important;
  color: var(--color-heading) !important;
  height: 46px !important;
}

.builder-editor-container {
  background-color: var(--color-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.25rem;
  box-shadow: var(--shadow-sm);
}

.builder-actions-row {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 1rem;
  margin-top: 1rem;
}

/* Sidebar Assistant Drawer styles */
.builder-sidebar-panel {
  position: sticky;
  top: 90px;
  background-color: var(--color-sidebar-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.sidebar-tabs-header {
  display: flex;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  padding: 4px;
  gap: 4px;
}

.sidebar-tab-trigger {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 4px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-ink-muted);
  border-radius: 9999px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  transition: var(--transition-smooth);
}

.sidebar-tab-trigger.active {
  background-color: var(--color-accent);
  color: var(--color-white) !important;
}

.sidebar-tab-content {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
}

.sidebar-tab-content.active {
  display: flex;
}

.sidebar-panel-header h4 {
  font-family: var(--font-serif) !important;
  font-size: 16px !important;
  font-weight: 800 !important;
  color: var(--color-heading) !important;
  margin-bottom: 0.25rem !important;
}

.sidebar-panel-header p {
  color: var(--color-ink-muted);
  font-size: 0.78rem;
  line-height: 1.4;
  margin: 0;
}

.builder-sidebar-search {
  height: 38px !important;
  font-size: 0.8rem !important;
  padding-left: 1rem !important;
  margin-bottom: 1rem;
}

/* Sparks Cards list styling */
.sparks-sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-height: 350px;
  overflow-y: auto;
  padding-right: 4px;
}

.sidebar-spark-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.sidebar-spark-card:hover {
  transform: translateY(-1px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.sidebar-spark-text {
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--color-heading);
  margin-top: 6px;
  margin-bottom: 0;
  font-weight: 500;
}

/* Active Inspiration Panel */
.inspiration-box {
  background-color: hsl(168, 64%, 98%);
  border: 1px solid hsl(168, 60%, 90%);
  border-radius: var(--radius-sm);
  padding: 14px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 0.75rem;
}

.inspiration-badge {
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  color: white;
  background-color: var(--color-accent);
  padding: 3px 8px;
  border-radius: 9999px;
  letter-spacing: 0.03em;
}

.inspiration-science { background-color: var(--color-accent); }
.inspiration-art { background-color: hsl(36, 95%, 48%); }
.inspiration-tech { background-color: hsl(242, 60%, 55%); }

.inspiration-content-text {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--color-heading);
  margin-top: 8px;
  margin-bottom: 12px;
}

.close-inspiration-btn {
  border: none;
  background: transparent;
  color: var(--color-ink-muted);
  font-size: 0.65rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.close-inspiration-btn:hover {
  color: hsl(350, 80%, 35%);
}

.need-help-btn {
  background-color: var(--color-white);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 6px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-accent);
  width: 100%;
  text-align: center;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  transition: var(--transition-smooth);
}

.need-help-btn:hover {
  background-color: hsl(168, 64%, 95%);
  border-color: var(--color-accent);
}

.prompts-drawer-shell {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-subtle);
}

.prompts-cards-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 200px;
  overflow-y: auto;
  padding-right: 4px;
}

.prompt-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  padding: 8px 10px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.prompt-card:hover {
  border-color: var(--color-accent);
  background-color: hsl(168, 64%, 98%);
}

.prompt-card-number {
  font-size: 0.58rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 2px;
}

.prompt-card-text {
  font-size: 0.72rem;
  line-height: 1.4;
  color: var(--color-heading);
  font-weight: 500;
}

/* Image drag drop upload styling */
.drag-upload-zone {
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--color-white);
  transition: var(--transition-smooth);
}

.drag-upload-zone:hover {
  border-color: var(--color-accent);
  background-color: rgba(18, 143, 108, 0.02);
}

.drag-upload-zone span {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-heading);
}

.builder-sidebar-status {
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  font-size: 0.7rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.builder-sidebar-status.info { background-color: hsl(200, 90%, 96%); border: 1px solid hsl(200, 80%, 90%); color: hsl(200, 80%, 25%); }
.builder-sidebar-status.success { background-color: hsl(168, 80%, 96%); border: 1px solid hsl(168, 60%, 90%); color: hsl(168, 80%, 20%); }
.builder-sidebar-status.error { background-color: hsl(350, 85%, 96%); border: 1px solid hsl(350, 80%, 90%); color: hsl(350, 80%, 30%); }

.sidebar-section-subtitle {
  font-size: 0.68rem !important;
  font-weight: 800 !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-muted);
  margin-top: 1rem !important;
  margin-bottom: 0.5rem !important;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.inline-images-library-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}

.empty-library-callout {
  grid-column: 1 / -1;
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.7rem;
  color: var(--color-ink-muted);
  font-weight: 500;
  line-height: 1.4;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-xs);
}

.inline-image-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.inline-image-card img {
  width: 100%;
  height: 90px;
  object-fit: cover;
  border-bottom: 1px solid var(--color-border);
}

.image-card-meta {
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mini-caption-input {
  border: 1px solid var(--border-subtle) !important;
  border-radius: 3px !important;
  height: 24px !important;
  padding: 0 4px !important;
  font-size: 0.6rem !important;
  width: 100% !important;
  background-color: var(--color-sidebar-bg) !important;
}

.image-action-btn {
  flex: 1;
  border: none;
  background-color: var(--color-accent);
  color: white;
  font-size: 0.58rem;
  font-weight: 700;
  padding: 3px 0;
  border-radius: 3px;
  cursor: pointer;
  text-align: center;
  transition: var(--transition-smooth);
}

.image-action-btn:hover {
  opacity: 0.9;
}

/* Diagram flowchart step form */
.diagram-step-form {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: var(--shadow-sm);
}

.diagram-mini-label {
  font-size: 0.58rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-heading);
  display: block;
  margin-bottom: 3px;
}

.diagram-preview-area {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px;
  box-shadow: var(--shadow-sm);
  max-height: 250px;
  overflow-y: auto;
  padding-right: 4px;
}

.empty-diagram-preview {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.7rem;
  color: var(--color-ink-muted);
  font-weight: 500;
  line-height: 1.4;
  border: 1px dashed var(--border-subtle);
  border-radius: var(--radius-xs);
}

.builder-flowchart-stream {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.flow-preview-node-row {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
}

.flow-preview-card {
  flex-grow: 1;
  background-color: var(--color-sidebar-bg);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.node-badge {
  font-size: 0.55rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--color-ink-muted);
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.node-label-txt {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-heading);
  line-height: 1.3;
}

.node-reorder-controls {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.reorder-btn {
  border: 1px solid var(--border-subtle);
  background: var(--color-white);
  border-radius: 3px;
  width: 20px;
  height: 20px;
  font-size: 0.55rem;
  color: var(--color-ink-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reorder-btn:not([disabled]):hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.reorder-btn.delete-btn:hover {
  border-color: hsl(350, 80%, 90%);
  color: hsl(350, 80%, 35%);
  background-color: hsl(350, 85%, 98%);
}

.reorder-btn[disabled] {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Sidebar loading animation helper */
.sidebar-loading-pulse {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0.5rem;
}

.pulse-line {
  height: 10px;
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 3px;
}

.pulse-line:nth-child(2) { width: 85%; }
.pulse-line:nth-child(3) { width: 60%; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Responsive splits */
@media (max-width: 992px) {
  .story-builder-workspace {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .builder-sidebar-panel {
    position: static;
    max-height: none;
    overflow: visible;
  }
}

/* Guiding Prompts Toggle Switch */
.prompt-toggle-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 24px;
}
.prompt-toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}
.prompt-toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #334155;
  border: 1.5px solid #1E293B;
  transition: .3s;
  border-radius: 24px;
}
.prompt-toggle-slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 2.5px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.prompt-toggle-switch input:checked + .prompt-toggle-slider {
  background-color: #10B981;
  border-color: #059669;
}
.prompt-toggle-switch input:checked + .prompt-toggle-slider:before {
  transform: translateX(22px);
}