/* Clean Minimal Dark Mode Style System */
:root {
  --bg-primary: #070913;
  --bg-secondary: #0f1424;
  --bg-tertiary: #171d34;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-indigo-glow: rgba(99, 102, 241, 0.15);
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.4);
  
  --glass-bg: rgba(15, 20, 36, 0.7);
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-blur: blur(12px);
  
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  height: 100vh;
  position: relative;
}

/* Subtle micro-pixel mesh overlay across the entire viewport */
body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.012) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.012) 1px, transparent 1px);
  background-size: 3px 3px;
  pointer-events: none;
  z-index: 10000;
  mix-blend-mode: overlay;
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

/* Header */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 28px;
  background-color: rgba(7, 9, 19, 0.8);
  border-bottom: 1px solid var(--border-light);
  backdrop-filter: var(--glass-blur);
  z-index: 100;
  position: relative;
}

.header-logo h1 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: #fff;
  line-height: 1.1;
}

.header-subtitle {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
}

.app-nav {
  display: flex;
  gap: 8px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.mobile-nav-wrapper {
  display: none;
}

.mobile-nav-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 32px 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  outline: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='white' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 16px;
}

.mobile-nav-select:focus, .mobile-nav-select:hover {
  border-color: var(--accent-indigo);
}

.nav-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.nav-btn:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.03);
}

.nav-btn.active {
  color: #fff;
  background-color: var(--accent-indigo);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.scale-badge {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 0.8rem;
  font-family: var(--font-display);
  color: var(--text-secondary);
}

/* Main Area */
.app-main {
  flex: 1;
  position: relative;
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.tab-panel {
  display: none;
  width: 100%;
  padding: 24px 28px;
  box-sizing: border-box;
}

.tab-panel.active {
  display: block;
}

/* Scroll to Top Button */
.scroll-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #E53935;
  color: #FAF6F0;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  font-family: var(--font-display);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(229, 57, 53, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 99;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  background-color: #C62828;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(229, 57, 53, 0.6);
}

.scroll-top-btn:active {
  transform: translateY(-1px);
}

/* Pond panel overrides — fullscreen, no padding, flex column */
#panel-pond {
  padding: 0;
  overflow: hidden;
  display: none;
  flex-direction: column;
}

#panel-pond.active {
  display: flex;
}

/* Panel 0: Project Manifesto Layout */
.manifesto-layout {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.manifesto-hero {
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.manifesto-tagline {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--accent-indigo);
}

.manifesto-hero h2 {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.manifesto-lead {
  font-size: 1.1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  font-weight: 300;
}

/* Stats grid on Manifesto */
.manifesto-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 20px 0;
}

.m-stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  padding: 10px 0;
}

@media (max-width: 768px) {
  .manifesto-stats-grid {
    grid-template-columns: 1fr;
    padding: 8px 16px;
    gap: 4px;
    border-radius: 12px;
  }
  .m-stat-card {
    flex-direction: row;
    justify-content: space-between;
    padding: 12px 0;
    gap: 8px;
  }
  .m-stat-card:not(:last-child) {
    border-bottom: 1px solid var(--border-light);
  }
  .m-stat-val {
    font-size: 1.4rem;
  }
  .m-stat-lbl {
    font-size: 0.65rem;
  }
  .app-header {
    flex-direction: column;
    gap: 12px;
    padding: 16px;
    align-items: stretch;
    text-align: center;
  }
  .header-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .header-actions {
    justify-content: center;
  }
  .app-nav {
    display: none;
  }
  .mobile-nav-wrapper {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 4px 0;
  }
  .mobile-nav-select {
    width: 100%;
    max-width: 320px;
  }
}

.m-stat-val {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  background: linear-gradient(135deg, #fff 30%, var(--accent-indigo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.m-stat-lbl {
  font-family: var(--font-display);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

/* Thesis Columns */
.manifesto-thesis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

@media (max-width: 768px) {
  .manifesto-thesis {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.thesis-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.thesis-col h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: #fff;
}

.thesis-col p {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* Thesis Clickable filter links */
.thesis-filter-link {
  color: #a5b4fc;
  text-decoration: none;
  border-bottom: 1.5px dashed rgba(99, 102, 241, 0.6);
  padding-bottom: 1px;
  transition: all 0.2s ease;
  font-weight: 500;
}

.thesis-filter-link:hover {
  color: #fff;
  border-bottom-color: #fff;
  text-shadow: 0 0 8px rgba(99, 102, 241, 0.7);
}

.manifesto-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

/* Controls Header Bar */
.control-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  padding: 16px 20px;
  border-radius: 14px;
}

.search-wrapper {
  position: relative;
  width: 100%;
}

.search-wrapper input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 12px 16px 12px 42px;
  border-radius: 10px;
  transition: all 0.25s ease;
}

.search-wrapper input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.95rem;
  color: var(--text-muted);
}

.filter-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}

.select-wrapper {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 140px;
}

.select-wrapper label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.select-wrapper select {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  outline: none;
  transition: all 0.2s ease;
}

.select-wrapper select:focus {
  border-color: var(--border-focus);
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 38px;
  cursor: pointer;
}

.checkbox-wrapper label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.checkbox-wrapper input {
  cursor: pointer;
  accent-color: var(--accent-indigo);
}

/* Symbol Grid Layout */
.grid-layout {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.grid-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.pag-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s ease;
}

.pag-btn:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  border-color: var(--text-secondary);
}

.pag-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.pag-info {
  font-family: var(--font-display);
  font-size: 0.8rem;
}

.symbols-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 16px;
}

/* Card Styling */
.symbol-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.symbol-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-indigo);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.15);
}

.card-img-container {
  width: 100%;
  aspect-ratio: 1;
  background-color: #fff; /* white paper background */
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-bottom: 10px;
}

.card-img-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  image-rendering: -webkit-optimize-contrast;
}

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

.card-id {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.05em;
  color: var(--text-primary);
}

.card-theme-badge {
  font-size: 0.65rem;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-secondary);
  max-width: 65px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.duplicate-indicator {
  position: absolute;
  top: 6px;
  right: 6px;
  background-color: #f59e0b;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  box-shadow: 0 0 8px #f59e0b;
}

/* Tapestry Wall collage */
.tapestry-intro {
  margin-bottom: 24px;
  text-align: center;
}

.tapestry-intro h2 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin-bottom: 6px;
}

.tapestry-intro p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.collage-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.collage-color-btn, .pond-color-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-display);
  transition: all 0.2s ease;
}

.collage-color-btn:hover, .pond-color-btn:hover {
  color: #fff;
  border-color: var(--text-secondary);
}

.collage-color-btn.active, .pond-color-btn.active {
  color: #fff;
  background-color: var(--accent-indigo);
  border-color: var(--accent-indigo);
}

.collage-action-btn {
  background-color: var(--bg-tertiary);
  border: 1px solid rgba(139, 92, 246, 0.4);
  color: #c084fc;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font-display);
  transition: all 0.2s ease;
}

.collage-action-btn:hover {
  background-color: var(--accent-purple);
  color: #fff;
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}

.collage-info {
  margin-left: 15px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.tapestry-wall-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(36px, 1fr));
  gap: 6px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 20px;
  border-radius: 14px;
  max-width: 1200px;
  margin: 0 auto;
}

.collage-item {
  aspect-ratio: 1;
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.collage-item:hover {
  transform: scale(1.6);
  z-index: 10;
  box-shadow: 0 4px 16px rgba(0,0,0,0.5);
  border-color: var(--accent-indigo);
  background-color: var(--bg-tertiary);
}

.collage-item svg {
  width: 100%;
  height: 100%;
}

/* Collage Themes styling based on currentColor */
#tapestry-wall.white-black .collage-item {
  background-color: #fff;
  color: #000;
}
#tapestry-wall.white-black .collage-item:hover {
  background-color: #f3f4f6;
}

#tapestry-wall.indigo-glow .collage-item {
  color: #818cf8;
}
#tapestry-wall.indigo-glow .collage-item:hover {
  color: #a5b4fc;
  filter: drop-shadow(0 0 6px #6366f1);
}

#tapestry-wall.neon-green .collage-item {
  color: #34d399;
}
#tapestry-wall.neon-green .collage-item:hover {
  color: #6ee7b7;
  filter: drop-shadow(0 0 6px #10b981);
}

#tapestry-wall.tapestry-coral .collage-item {
  color: #fb7185;
}
#tapestry-wall.tapestry-coral .collage-item:hover {
  color: #fda4af;
  filter: drop-shadow(0 0 6px #f43f5e);
}

/* Symbol Pond Canvas Section */
.pond-canvas-wrapper {
  position: relative;
  width: 100%;
  height: calc(100vh - 190px);
  border-radius: 16px;
  border: 1px solid var(--border-light);
  overflow: hidden;
  background: radial-gradient(circle at 50% 50%, #0d1222 0%, #05070e 100%);
  box-shadow: inset 0 0 30px rgba(0,0,0,0.8);
}

#pond-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}

#pond-canvas:active {
  cursor: grabbing;
}

.pond-overlay-tooltip {
  position: absolute;
  top: 16px;
  left: 16px;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  padding: 8px 14px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-secondary);
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 10;
}

/* Modal Overlay Styling */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(7, 9, 19, 0.85);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 18px;
  width: 100%;
  max-width: 1000px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.8rem;
  cursor: pointer;
  transition: color 0.2s ease;
  z-index: 10;
}

.modal-close:hover {
  color: #fff;
}

.modal-body {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  padding: 32px;
  gap: 32px;
}

@media (max-width: 768px) {
  .modal-body {
    grid-template-columns: 1fr;
  }
}

/* Modal Visual Comparison Left */
.modal-visuals {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.visual-header h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  margin-bottom: 8px;
}

.badge-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-badge {
  font-size: 0.72rem;
  background-color: rgba(99, 102, 241, 0.12);
  color: #818cf8;
  border: 1px solid rgba(99, 102, 241, 0.2);
  padding: 4px 10px;
  border-radius: 12px;
}

.visual-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.visual-box {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.visual-box h3 {
  font-family: var(--font-display);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.img-wrapper {
  aspect-ratio: 1;
  background-color: #fff;
  border-radius: 12px;
  padding: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.original-img-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

.svg-img-box {
  color: #000;
}

.svg-img-box svg {
  width: 100%;
  height: 100%;
}

.modal-actions {
  display: flex;
  gap: 12px;
}

.btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 8px;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

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

.btn-primary:hover {
  background-color: var(--accent-purple);
  box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

/* Modal Right Column Data & Metrics */
.modal-data {
  display: flex;
  flex-direction: column;
  gap: 24px;
  border-left: 1px solid var(--border-light);
  padding-left: 32px;
}

@media (max-width: 768px) {
  .modal-data {
    border-left: none;
    padding-left: 0;
  }
}

.data-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.data-section h3 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-primary);
}

.section-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.data-paragraph {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Metrics Dashboard */
.metrics-dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 6px;
}

.metric-gauge-wrapper {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.radial-gauge {
  width: 52px;
  height: 52px;
  transform: rotate(-90deg);
  margin-bottom: 8px;
}

.gauge-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 3.5;
}

.gauge-fill {
  fill: none;
  stroke: var(--accent-indigo);
  stroke-width: 3.5;
  stroke-linecap: round;
  transition: stroke-dasharray 0.8s ease-in-out;
}

.gauge-value {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  position: absolute;
  top: 28px;
  text-align: center;
}

.gauge-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-align: center;
  font-family: var(--font-display);
}

/* Originality Meter */
.trace-meter-container {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.trace-meter-track {
  height: 6px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  width: 100%;
}

.trace-meter-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-indigo) 0%, var(--accent-purple) 100%);
  border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.trace-meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.trace-meter-labels span:nth-child(2) {
  color: var(--text-primary);
  font-weight: 500;
}

/* Duplicate warning */
.duplicate-alert-box {
  background-color: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.25);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

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

.alert-content h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: #f59e0b;
  margin-bottom: 2px;
}

.alert-content p {
  font-size: 0.78rem;
  color: rgba(245, 158, 11, 0.8);
  line-height: 1.4;
}

/* Investigations Panel */
.investigations-container {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  height: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

.investigations-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  border-right: 1px solid var(--border-light);
  padding-right: 18px;
}

.inv-nav-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  text-align: left;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.inv-nav-btn:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.02);
}

.inv-nav-btn.active {
  color: #fff;
  background-color: var(--bg-secondary);
  border-left: 3px solid var(--accent-indigo);
  border-radius: 0 8px 8px 0;
}

.investigations-content {
  padding-left: 10px;
  overflow-y: auto;
  max-height: calc(100vh - 160px);
}

.inv-article {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.inv-article h2 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  margin-bottom: 4px;
}

.inv-article p {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.inv-article h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--text-primary);
  margin-top: 12px;
}

.inv-stat-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  gap: 16px;
  margin: 8px 0;
}

.inv-stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--accent-indigo);
  line-height: 1;
}

.inv-stat-desc {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.inv-stat-desc h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.inv-stat-desc p {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.3;
}

.inv-showcase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
  margin-top: 12px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 12px;
  border-radius: 10px;
}

.inv-showcase-item {
  aspect-ratio: 1;
  background-color: #fff;
  border-radius: 6px;
  padding: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.inv-showcase-item:hover {
  transform: scale(1.1);
}

.inv-showcase-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
}

@media (max-width: 900px) {
  .investigations-container {
    grid-template-columns: 1fr;
  }
  .investigations-nav {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid var(--border-light);
    padding-right: 0;
    padding-bottom: 10px;
    margin-bottom: 10px;
  }
  .inv-nav-btn.active {
    border-left: none;
    border-bottom: 3px solid var(--accent-indigo);
    border-radius: 0;
  }
}

/* ==========================================================================
   COMPOSITION BUILDER LAYOUT STYLES
   ========================================================================== */
.builder-layout {
  display: flex;
  height: calc(100vh - 190px);
  gap: 20px;
  overflow: hidden;
}

/* Sidebar catalog styling */
.builder-sidebar {
  width: 320px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.sidebar-header {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: #fff;
}

.sidebar-info {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.sidebar-search input {
  width: 100%;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  outline: none;
}

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

.sidebar-filters {
  display: flex;
  gap: 8px;
}

.sidebar-filters select {
  flex: 1;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
}

.builder-symbols-grid {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(78px, 1fr));
  gap: 10px;
  align-content: start;
}

/* Sidebar symbol cards */
.builder-symbol-card {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  transition: all 0.2s ease;
}

.builder-symbol-card:hover {
  border-color: var(--accent-indigo);
  transform: translateY(-2px);
}

.builder-symbol-card .card-img-container {
  margin-bottom: 6px;
  padding: 2px;
  aspect-ratio: 1;
  background-color: #fff;
  border-radius: 4px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.builder-symbol-card .card-id {
  font-size: 0.72rem;
  color: var(--text-secondary);
}

/* Reusability badges and checkmarks */
.builder-status-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 0.55rem;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  z-index: 4;
}

.builder-status-badge.unused {
  background-color: rgba(156, 163, 175, 0.15);
  color: var(--text-secondary);
}

.builder-status-badge.used {
  background-color: rgba(16, 185, 129, 0.15);
  color: #10b981;
}

.builder-status-badge.filler {
  background-color: rgba(59, 130, 246, 0.15);
  color: #3b82f6;
}

/* Repeat toggle icon button */
.builder-repeat-toggle {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 5;
}

.builder-repeat-toggle:hover {
  background-color: var(--accent-indigo);
  color: #fff;
  border-color: var(--accent-indigo);
}

.builder-repeat-toggle.active {
  background-color: #3b82f6;
  color: #fff;
  border-color: #3b82f6;
}

/* Dim card if used & not reusable */
.builder-symbol-card.used-disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.builder-symbol-card.used-disabled:hover {
  transform: none;
  border-color: var(--border-light);
}

/* Workspace panel styling */
.builder-workspace {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  overflow: hidden;
}

.workspace-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.workspace-title h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: #fff;
}

.workspace-stats {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.workspace-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.compo-select {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-light);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  outline: none;
  cursor: pointer;
  min-width: 160px;
}

/* Auto layout bar styling */
.auto-layout-bar {
  padding: 8px 20px;
  background-color: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
}

.bar-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.layout-btn {
  background: none;
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.layout-btn:hover {
  background-color: var(--bg-primary);
  color: #fff;
  border-color: var(--accent-indigo);
}

/* Canvas container */
.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden; /* fullscreen — no scroll bars */
  background-color: #080a10;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.composition-canvas {
  /* Dimensions set dynamically by JS */
  background-color: #0c0e18;
  position: relative;
  box-shadow: 0 10px 40px rgba(0,0,0,0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transform-origin: center center;
  cursor: default;
  flex-shrink: 0;
}

.canvas-grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 30px 30px;
  pointer-events: none;
}

/* Placed symbol on canvas */
.placed-symbol {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  user-select: none;
  transform-origin: center center;
  pointer-events: none; /* Make completely non-interactive to clicks */
}

.placed-symbol svg {
  width: 100%;
  height: 100%;
  color: inherit; /* inherit from canvas background contrast */
  pointer-events: none;
}

/* Player Control Panel floating bottom left */
.player-control-panel {
  position: absolute;
  bottom: 16px;
  left: 16px;
  width: 290px;
  background-color: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  padding: 14px;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 100;
  max-height: 85%;
  overflow-y: auto;
}

.panel-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 8px;
}

.selected-id-label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: #fff;
}

.panel-btn-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

.panel-btn-close:hover {
  color: #fff;
}

.panel-control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.panel-control-group label {
  font-size: 0.72rem;
  text-transform: uppercase;
  color: var(--text-secondary);
  font-weight: 500;
}

.panel-control-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent-indigo);
}

.control-value {
  font-size: 0.75rem;
  color: var(--text-muted);
  align-self: flex-end;
}

.panel-actions-row {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}

.panel-actions-row button {
  flex: 1;
  font-size: 0.72rem !important;
  padding: 4px 6px !important;
}

.btn-danger {
  background-color: rgba(239, 68, 68, 0.2);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #f87171;
  font-family: var(--font-display);
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.btn-danger:hover {
  background-color: #ef4444;
  color: #fff;
}

.btn-sm {
  font-size: 0.75rem !important;
  padding: 6px 12px !important;
}

.no-label {
  display: block;
}

/* Infinite scroll spinner and layout rules */
.infinite-scroll-trigger {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.loading-spinner {
  display: flex;
  gap: 6px;
  justify-content: center;
}

.spinner-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-indigo);
  border-radius: 50%;
  animation: spinner-bounce 1.4s infinite ease-in-out both;
}

.spinner-dot:nth-child(1) {
  animation-delay: -0.32s;
}

.spinner-dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes spinner-bounce {
  0%, 80%, 100% { 
    transform: scale(0);
  } 40% { 
    transform: scale(1.0);
  }
}

/* PROJECTOR MODE ACTIVATION */
body.projector-mode-active {
  background-color: #000 !important;
  color: #fff !important;
}

body.projector-mode-active header,
body.projector-mode-active nav,
body.projector-mode-active aside,
body.projector-mode-active footer,
body.projector-mode-active .workspace-header,
body.projector-mode-active .player-control-panel {
  display: none !important;
}

body.projector-mode-active main {
  padding: 0 !important;
  margin: 0 !important;
  max-width: 100vw !important;
  height: 100vh !important;
}

body.projector-mode-active .tab-panel {
  display: none !important;
}

body.projector-mode-active .tab-panel#panel-pond {
  display: block !important;
  width: 100vw !important;
  height: 100vh !important;
  padding: 0 !important;
  border: none !important;
}

body.projector-mode-active .builder-layout {
  height: 100vh !important;
  gap: 0 !important;
  border: none !important;
}

body.projector-mode-active .builder-workspace {
  border: none !important;
  border-radius: 0 !important;
  background-color: #000 !important;
  height: 100vh !important;
}

body.projector-mode-active .canvas-container {
  padding: 0 !important;
  background-color: #000 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 100vw !important;
  height: 100vh !important;
}

body.projector-mode-active .composition-canvas {
  box-shadow: none !important;
  border: none !important;
}

/* ==========================================
   MURAL RIBBON STYLES
   ========================================== */

/* Fullscreen pond panel layout */
#panel-pond .builder-layout {
  height: calc(100vh - var(--header-height));
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#panel-pond .builder-workspace {
  flex: 1;
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Collapsed ribbon — only show a thin strip */
.mural-ribbon.ribbon-collapsed .ribbon-main-row {
  height: 28px;
}

.mural-ribbon.ribbon-collapsed #generate-composition-btn,
.mural-ribbon.ribbon-collapsed .ribbon-nav,
.mural-ribbon.ribbon-collapsed .ribbon-preset,
.mural-ribbon.ribbon-collapsed .ribbon-divider,
.mural-ribbon.ribbon-collapsed #ribbon-settings-btn,
.mural-ribbon.ribbon-collapsed #composition-export-btn,
.mural-ribbon.ribbon-collapsed #projector-mode-btn,
.mural-ribbon.ribbon-collapsed .ribbon-stats {
  display: none !important;
}

/* Ribbon button hover effects */
.ribbon-icon-btn:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  color: #fff !important;
}

.ribbon-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.08) !important;
}

/* Ribbon drawer grid styling */
.drawer-grid input[type="range"] {
  height: 4px;
}

.drawer-grid select {
  font-size: 0.75rem;
}