/* Core Custom Properties & Design System */
:root {
  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Inter', sans-serif;

  /* Color Palette - Premium Space-Dark Mode */
  --bg-app: #080c14;
  --bg-sidebar: rgba(13, 20, 35, 0.6);
  --bg-card: rgba(22, 33, 54, 0.4);
  --bg-card-hover: rgba(28, 43, 70, 0.55);
  --bg-header: rgba(8, 12, 20, 0.8);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --border-color-active: rgba(139, 92, 246, 0.4); /* Purple glow */

  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;

  /* Accents */
  --color-primary: #8b5cf6;
  --color-primary-rgb: 139, 92, 246;
  --color-primary-light: #a78bfa;
  --color-secondary: #cc5de8;
  --color-accent: #06b6d4; /* Teal */

  --color-source: #ef4444; /* Red */
  --color-dest: #3b82f6; /* Blue */
  --color-change: #8b5cf6; /* Indigo */
  --color-effect: #f59e0b; /* Amber */

  /* Shadows & Radius */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Variables Override */
:root.light-mode {
  --bg-app: #f8fafc;
  --bg-sidebar: rgba(241, 245, 249, 0.8);
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 0, 0, 0.15);
  --border-color-active: rgba(139, 92, 246, 0.5);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --bg-header: rgba(248, 250, 252, 0.85);
}

/* Light mode component adjustments */
:root.light-mode .canvas-scroll-container {
  background-color: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}
:root.light-mode .value-item {
  background-color: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.04);
}
:root.light-mode .effect-item {
  background-color: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.04);
}
:root.light-mode .btn-toggle-group {
  background-color: rgba(0, 0, 0, 0.03);
  border-color: rgba(0, 0, 0, 0.08);
}
:root.light-mode .toggle-btn:hover {
  background-color: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
}
:root.light-mode .toggle-btn.active {
  color: #ffffff;
}
:root.light-mode .sidebar-content::-webkit-scrollbar-thumb,
:root.light-mode .workspace-content::-webkit-scrollbar-thumb,
:root.light-mode .canvas-scroll-container::-webkit-scrollbar-thumb {
  background-color: rgba(0, 0, 0, 0.15);
}
:root.light-mode .img-wrapper {
  background-color: #f8fafc;
  border: 1px solid rgba(0, 0, 0, 0.06);
}
:root.light-mode .btn.secondary {
  background-color: rgba(0, 0, 0, 0.02);
  border-color: rgba(0, 0, 0, 0.08);
  color: var(--text-primary);
}
:root.light-mode .btn.secondary:hover {
  background-color: rgba(0, 0, 0, 0.05);
}

:root.light-mode .flip-btn.active {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: #ffffff;
  box-shadow: 0 0 10px rgba(204, 93, 232, 0.25);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  height: 100vh;
  overflow: hidden;
}

/* Layout Grid */
.app-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: 100vh;
  width: 100vw;
  position: relative;
  transition: grid-template-columns var(--transition-normal);
}

.app-layout.sidebar-collapsed {
  grid-template-columns: 0px 1fr;
}

/* App Sidebar */
.app-sidebar {
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sidebar-header h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.sidebar-content {
  padding: 1.5rem;
  overflow-y: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Scrollbar styling */
.sidebar-content::-webkit-scrollbar,
.workspace-content::-webkit-scrollbar,
.canvas-scroll-container::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.sidebar-content::-webkit-scrollbar-thumb,
.workspace-content::-webkit-scrollbar-thumb,
.canvas-scroll-container::-webkit-scrollbar-thumb {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

.sidebar-content::-webkit-scrollbar-thumb:hover,
.workspace-content::-webkit-scrollbar-thumb:hover,
.canvas-scroll-container::-webkit-scrollbar-thumb:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

/* Settings Group */
.settings-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.group-label {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Customizer Sections */
.customizer-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  border-top: 1px solid var(--border-color);
  padding-top: 1.25rem;
}

.customizer-section.hidden {
  display: none !important;
}

.customizer-section h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary-light);
}

.torque-control {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.control-label {
  font-size: 0.825rem;
  color: var(--text-secondary);
}

/* Buttons and Toggle Groups */
.btn-toggle-group {
  display: flex;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 3px;
  width: 100%;
}

.btn-toggle-group.mini {
  border-radius: var(--radius-sm);
  padding: 2px;
}

.toggle-btn {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: calc(var(--radius-md) - 2px);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-toggle-group.mini .toggle-btn {
  font-size: 0.75rem;
  padding: 0.35rem 0.5rem;
  border-radius: calc(var(--radius-sm) - 2px);
}

.toggle-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.04);
}

.toggle-btn.active {
  color: var(--text-primary);
  background-color: var(--color-primary);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Flip Vertical Button */
.flip-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.flip-btn:hover {
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.flip-btn.active {
  background-color: rgba(204, 93, 232, 0.2);
  border-color: var(--color-secondary);
  color: #fff;
  box-shadow: 0 0 10px rgba(204, 93, 232, 0.15);
}

/* App Main Content Area */
.app-main {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* App Header */
.app-header {
  height: 70px;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  z-index: 10;
}

.header-left, .header-center, .header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.logo h1 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.1;
}

.badge {
  font-size: 0.65rem;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge.highlighted {
  background-color: rgba(139, 92, 246, 0.15);
  color: var(--color-primary-light);
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.badge.secondary {
  background-color: rgba(204, 93, 232, 0.15);
  color: var(--color-secondary);
  border: 1px solid rgba(204, 93, 232, 0.3);
}

/* Buttons */
.btn {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 0.875rem;
  border: none;
  outline: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.btn.secondary {
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}

.btn.secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--border-color-hover);
}

.btn.primary {
  background-color: #06b6d4;
  color: #ffffff;
  border: 1px solid rgba(6, 182, 212, 0.4);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.25);
}

.btn.primary:hover {
  background-color: #0891b2;
  box-shadow: 0 4px 14px rgba(6, 182, 212, 0.4);
}

.icon-btn {
  background: none;
  border: none;
  outline: none;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.theme-toggle-btn {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  width: 40px;
  height: 40px;
  color: var(--color-primary-light);
  background-color: rgba(255, 255, 255, 0.02);
}

.theme-toggle-btn:hover {
  border-color: var(--border-color-hover);
  color: var(--text-primary);
  transform: rotate(15deg);
}

:root.light-mode .theme-toggle-btn {
  color: var(--color-secondary);
  background-color: rgba(0, 0, 0, 0.02);
}

/* Workspace Dashboard */
.workspace-content {
  flex: 1;
  padding: 0.25rem 2rem 2rem 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Cards System */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.card:hover {
  border-color: var(--border-color-hover);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  position: relative;
}

.card-header h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  flex: 1;
}

.card-header .badge {
  flex-shrink: 0;
}

.header-icon {
  font-size: 1.5rem;
}

.source-color { color: var(--color-source); }
.dest-color { color: var(--color-dest); }
.change-color { color: var(--color-change); }
.effect-color { color: var(--color-effect); }
.visual-color { color: var(--color-accent); }

/* Interactive Canvas Card */
.section-canvas {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.canvas-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.info-bubble {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background-color: rgba(139, 92, 246, 0.08);
  border: 1px solid rgba(139, 92, 246, 0.15);
  border-radius: var(--radius-md);
  padding: 0.5rem 1rem;
  flex: 1;
}

.info-icon {
  color: var(--color-primary-light);
  font-size: 1.25rem;
}

.info-bubble p {
  font-size: 0.875rem;
  color: var(--text-primary);
}

.canvas-scroll-container {
  overflow-x: auto;
  width: 100%;
  border-radius: var(--radius-md);
  background-color: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-color);
  padding: 1rem;
}

.canvas-wrapper {
  margin: 0 auto;
  width: 740px;
}

canvas {
  display: block;
  cursor: pointer;
  border-radius: 4px;
}

/* Metrics Dashboard Columns to reduce vertical scrolling */
.metrics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  align-items: start;
}

.metrics-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Comparison Table Styles */
.table-body {
  padding: 0.5rem;
  overflow-x: auto;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.comparison-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
}

.comparison-table th,
.comparison-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.comparison-table th {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background-color: rgba(255, 255, 255, 0.01);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

.col-state {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 150px;
}

.col-state .material-symbols-outlined {
  font-size: 1.25rem;
}

.col-tooth {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  min-width: 150px;
  max-width: 220px;
  line-height: 1.4;
}

.col-tooth strong {
  color: var(--text-primary);
  font-weight: 600;
}

.col-value {
  text-align: center;
  min-width: 75px;
}

.col-value span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
}

/* Row value colors */
.row-source .col-value span {
  color: var(--color-source);
}

.row-dest .col-value span {
  color: var(--color-dest);
}

.row-change .col-value span {
  color: var(--color-change);
}

.row-effect .col-value span {
  color: var(--color-effect);
}

/* Highlight Cell Styling for Flash effect */
.highlight-cell {
  position: relative;
  transition: all var(--transition-normal);
  border: 1px solid transparent !important;
}

.highlight-cell.highlight-change {
  border-color: rgba(16, 185, 129, 0.3) !important;
  background-color: rgba(16, 185, 129, 0.05) !important;
  border-radius: var(--radius-sm);
}

/* Highlight Red Equivalent in Vanilla Theme */
.highlight-change {
  animation: flash 0.5s ease-out;
  color: var(--color-change) !important;
}

@keyframes flash {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* Combined Clinical Effect & Sim Box styling */
.effect-item-simple {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 0.75rem;
}

.effect-item-simple .effect-desc {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--text-primary);
  margin: 0;
}

/* Light mode overrides for simplicity box */
:root.light-mode .effect-item-simple {
  background-color: rgba(0, 0, 0, 0.015);
  border-color: rgba(0, 0, 0, 0.04);
}

/* Diagrams Section */
.visual-body {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.diagram-container {
  flex: 1;
  min-width: 250px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.diagram-title {
  font-size: 0.825rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.img-wrapper {
  background-color: #ffffff; /* White background for the visual SVGs */
  border-radius: var(--radius-md);
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  overflow: hidden;
}

.img-wrapper img {
  max-width: 100%;
  max-height: 220px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.img-wrapper img:hover {
  transform: scale(1.05);
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  .app-layout {
    grid-template-columns: 1fr;
  }
  
  .metrics-grid {
    grid-template-columns: 1fr;
  }
 
  .app-sidebar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 320px;
    transform: translateX(-100%);
    box-shadow: 20px 0 30px rgba(0, 0, 0, 0.5);
  }
  
  .app-layout.sidebar-open .app-sidebar {
    transform: translateX(0);
  }
 
  .close-sidebar-btn {
    display: flex !important;
  }
}
 
 
@media (max-width: 768px) {
  .app-header {
    flex-wrap: wrap;
    height: auto;
    padding: 1rem;
    gap: 1rem;
  }
  .header-center {
    order: 3;
    width: 100%;
    justify-content: space-between;
  }
}

/* Responsive Split Canvas Layout */
.simulation-row {
  display: flex;
  gap: 1.5rem;
  width: 100%;
  border-top: 1px solid var(--border-color);
  padding: 1.5rem 1.5rem 0.5rem 1.5rem;
  flex-wrap: wrap;
  position: relative;
}

.simulation-col {
  flex: 1;
  min-width: 280px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.simulation-col.border-left {
  border-left: 1px solid var(--border-color);
  padding-left: 1.5rem;
}

@media (max-width: 768px) {
  .simulation-col.border-left {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
  }
}

/* Info Bubble Zoom Pop Animation (Attention-Seeking Jiggle & Wobble) */
@keyframes popBubbleJiggle {
  0% {
    transform: scale(1) rotate(0deg);
    background-color: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.15);
    box-shadow: 0 0 0 rgba(139, 92, 246, 0);
  }
  15% {
    transform: scale(1.12) rotate(-3deg);
    background-color: rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.4);
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.35);
  }
  30% {
    transform: scale(1.15) rotate(3deg);
    background-color: rgba(139, 92, 246, 0.25);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.45);
  }
  45% {
    transform: scale(1.12) rotate(-2deg);
    background-color: rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.4);
  }
  60% {
    transform: scale(1.08) rotate(2deg);
    background-color: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.3);
  }
  75% {
    transform: scale(1.03) rotate(-1deg);
  }
  90% {
    transform: scale(1.01) rotate(1deg);
  }
  100% {
    transform: scale(1) rotate(0deg);
    background-color: rgba(139, 92, 246, 0.08);
    border-color: rgba(139, 92, 246, 0.15);
    box-shadow: 0 0 0 rgba(139, 92, 246, 0);
  }
}

.info-bubble.pop-active {
  animation: popBubbleJiggle 0.85s ease-in-out;
  position: relative;
  z-index: 10;
}

/* Global Utility */
.hidden {
  display: none !important;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 1;
  visibility: visible;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.guide-modal {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 820px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.guide-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.guide-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.guide-header-icon {
  color: var(--accent-primary);
  font-size: 1.5rem;
}

.guide-modal-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.guide-modal-body {
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.guide-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.guide-section-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.guide-section-title .material-symbols-outlined {
  color: var(--accent-primary);
  font-size: 1.25rem;
}

.guide-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1rem;
}

.guide-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md, 8px);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.guide-card h4 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.guide-pill {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.guide-pill.accent {
  background-color: rgba(6, 182, 212, 0.15);
  color: #06b6d4;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

.guide-pill.violet {
  background-color: rgba(139, 92, 246, 0.15);
  color: #8b5cf6;
  border: 1px solid rgba(139, 92, 246, 0.3);
}

.guide-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.guide-callout {
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  font-size: 0.83rem;
  line-height: 1.45;
}

.guide-callout.info {
  background-color: rgba(6, 182, 212, 0.08);
  border-left: 3px solid #06b6d4;
  color: var(--text-primary);
}

.guide-callout.warning {
  background-color: rgba(245, 158, 11, 0.08);
  border-left: 3px solid #f59e0b;
  color: var(--text-primary);
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
}

.guide-step {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md, 8px);
  padding: 0.85rem 1rem;
}

.step-num {
  background-color: var(--accent-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.step-content {
  font-size: 0.85rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.step-content strong {
  color: var(--text-primary);
}

.guide-list {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

.guide-list strong {
  color: var(--text-primary);
}

.guide-modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  display: flex;
  justify-content: flex-end;
}

.close-guide-footer-btn {
  padding: 0.5rem 1.75rem;
  font-weight: 600;
}

/* ==========================================================================
   Feedback Modal Styling
   ========================================================================== */
.feedback-modal {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg, 12px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  width: 100%;
  max-width: 420px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: modalSlideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feedback-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
}

.feedback-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.feedback-header-icon {
  color: var(--accent-primary);
  font-size: 1.35rem;
}

.feedback-modal-header h2 {
  font-family: 'Outfit', sans-serif;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.feedback-modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.feedback-intro {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.feedback-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.feedback-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

@media (max-width: 480px) {
  .feedback-row {
    grid-template-columns: 1fr;
  }
}

.field-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.field-hint {
  font-weight: 400;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.field-required {
  color: #ef4444;
}

.feedback-input,
.feedback-textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md, 8px);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  box-sizing: border-box;
}

.feedback-input:focus,
.feedback-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.feedback-textarea {
  resize: vertical;
  min-height: 80px;
}

.feedback-status {
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-md, 8px);
  font-size: 0.82rem;
  line-height: 1.4;
}

.feedback-status.error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #ef4444;
}

.feedback-status.loading {
  background-color: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.25);
  color: #06b6d4;
}

.feedback-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 0.85rem;
  margin-top: 0.5rem;
  border-top: 1px solid var(--border-color);
}

.feedback-success {
  padding: 2rem 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.75rem;
}

.feedback-success.hidden {
  display: none !important;
}

.feedback-success .success-icon {
  font-size: 2.8rem;
  color: #10b981;
}

.feedback-success h3 {
  margin: 0;
  font-size: 1.2rem;
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
}

.feedback-success p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  max-width: 320px;
  line-height: 1.45;
}

.feedback-success button {
  margin-top: 0.5rem;
  padding: 0.5rem 1.75rem;
}