/* Feynman Mode Styles */
.recall-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.feynman-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-dim);
  cursor: pointer;
}

.feynman-input {
  width: 100%;
  min-height: 80px;
  padding: var(--space-sm);
  margin-bottom: var(--space-md);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-xs);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
  background: var(--bg-alt);
}

.feynman-input:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
}

/* ==========================================================================
   New Feature Styles (Mastery, Socratic, Canvas)
   ========================================================================== */

/* Mastery Styles */
.recall-mastery {
  margin-bottom: var(--space-md);
}

.mastery-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 4px;
}

.mastery-bar {
  width: 100%;
  height: 6px;
  background: var(--bg-alt);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.mastery-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: var(--radius-pill);
  transition: width var(--duration-slow) var(--ease-out);
}

.modal-mastery {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-top: var(--space-sm);
}

.path-step-mastery {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.path-step-mastery.mastery-high {
  color: var(--primary);
  font-weight: 600;
}

/* Socratic Mode Toggle */
.settings-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-md) 0;
}

.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--border-strong);
  transition: .4s;
  border-radius: 24px;
}

.toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked+.toggle-slider {
  background-color: var(--primary);
}

input:checked+.toggle-slider:before {
  transform: translateX(20px);
}

/* Canvas Branching */
.btn-branch {
  background: var(--accent-light) !important;
  color: var(--accent) !important;
  border-color: var(--accent) !important;
  font-weight: 600 !important;
}

.btn-branch:hover {
  background: var(--accent) !important;
  color: #fff !important;
}

/* Note Wall Synchronization */
.post-it.canvas-pinned {
  border-bottom: 3px solid var(--accent);
}

.post-it-canvas-pin {
  font-size: 1.1rem;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.post-it.canvas-pinned .post-it-canvas-pin {
  opacity: 1;
}

/* --- Google Fonts --- */
/* Dashboard Styles */
.dashboard-card {
  margin-bottom: var(--space-lg);
}

.dashboard-heatmap-container {
  margin: var(--space-md) 0;
  overflow-x: auto;
  padding-bottom: 4px;
}

.heatmap {
  display: block;
}

.heatmap-legend {
  font-size: 0.65rem;
  color: var(--text-dim);
  text-align: right;
  margin-top: 4px;
}

.dashboard-stats {
  display: flex;
  justify-content: space-around;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
}

.dashboard-stat {
  text-align: center;
}

.dashboard-stat-val {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.dashboard-stat-label {
  font-size: 0.7rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Concept Index Styles */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-md);
  padding: var(--space-md) 0;
}

.concept-card {
  background: var(--surface);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  text-align: center;
  transition: transform var(--duration-fast) var(--ease-spring), box-shadow var(--duration-fast);
  cursor: pointer;
}

.concept-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.concept-card-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 4px;
}

.concept-card-count {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.concept-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--border);
}

.concept-back-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
}

.concept-title {
  font-size: 1.25rem;
}

/* ==========================================================================
   1. Custom Properties
   ========================================================================== */

:root {
  /* Palette — Light Theme */
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --surface: rgba(255, 255, 255, 0.7);
  --text: #0f172a;
  --text-dim: #64748b;
  --primary: #10b981;
  --primary-light: rgba(16, 185, 129, 0.12);
  --accent: #8b5cf6;
  --accent-light: rgba(139, 92, 246, 0.12);
  --highlight: #fbbf24;
  --highlight-light: rgba(251, 191, 36, 0.12);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.12);
  --info: #3b82f6;
  --info-light: rgba(59, 130, 246, 0.12);
  --border: rgba(0, 0, 0, 0.08);
  --border-strong: rgba(0, 0, 0, 0.14);

  /* Radii */
  --radius: 20px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --radius-pill: 999px;

  /* Typography */
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif: 'Inter', system-ui, -apple-system, sans-serif;
  --font-handwriting: 'Caveat', cursive;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-glass: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-post-it: 2px 3px 8px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-post-it-drag: 4px 8px 20px rgba(0, 0, 0, 0.18);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;

  /* Z-indices */
  --z-base: 1;
  --z-cards: 10;
  --z-nav: 1000;
  --z-modal-overlay: 2000;
  --z-modal-content: 2001;
  --z-toast: 3000;

  /* Post-it colors */
  --postit-yellow: #fef3c7;
  --postit-pink: #fce7f3;
  --postit-green: #d1fae5;
  --postit-blue: #dbeafe;
  --postit-purple: #ede9fe;
}


/* ==========================================================================
   2. Reset & Base
   ========================================================================== */

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background-color: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  padding-top: env(safe-area-inset-top);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
  padding-left: env(safe-area-inset-left);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 1.75rem;
}

h2 {
  font-size: 1.375rem;
}

h3 {
  font-size: 1.125rem;
}

h4 {
  font-size: 1rem;
}


/* ==========================================================================
   3. Layout
   ========================================================================== */

.container {
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
  padding-inline: var(--space-md);
}

.app {
  padding-bottom: calc(72px + env(safe-area-inset-bottom));
  min-height: 100vh;
  min-height: 100dvh;
}


/* ==========================================================================
   4. Bottom Tab Nav
   ========================================================================== */

.tab-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  height: calc(64px + env(safe-area-inset-bottom));
  padding-bottom: env(safe-area-inset-bottom);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
}

.tab-nav__item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-sm) var(--space-xs);
  font-family: var(--font-display);
  font-size: 0.625rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: color var(--duration-fast) var(--ease-out);
  position: relative;
  -webkit-tap-highlight-color: transparent;
}

.tab-nav__item:hover {
  text-decoration: none;
}

.tab-nav__icon {
  font-size: 1.375rem;
  line-height: 1;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.tab-nav__label {
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.tab-nav__item.active {
  color: var(--primary);
}

.tab-nav__item.active .tab-nav__icon {
  transform: scale(1.1);
}

.tab-nav__item.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  background: var(--primary);
  border-radius: 0 0 var(--radius-xs) var(--radius-xs);
}

.tab-nav__item:active .tab-nav__icon {
  transform: scale(0.92);
}


/* ==========================================================================
   5. Cards (Glassmorphism)
   ========================================================================== */

.card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glass);
  padding: var(--space-lg);
  transition:
    transform var(--duration-normal) var(--ease-spring),
    box-shadow var(--duration-normal) var(--ease-out);
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card:active {
  transform: scale(0.98);
  box-shadow: var(--shadow-sm);
}

.card+.card {
  margin-top: var(--space-md);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.card-header__info {
  flex: 1;
  min-width: 0;
}

.card-header__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1.3;
  color: var(--text);
}

.card-header__dates {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.card-header__tagline {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-style: italic;
  margin-top: 2px;
}

.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
  background: var(--primary-light);
}

.avatar--accent {
  background: var(--accent-light);
}

.avatar--highlight {
  background: var(--highlight-light);
}

.avatar--info {
  background: var(--info-light);
}


/* ==========================================================================
   6. Field Chips
   ========================================================================== */

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-strong);
  color: var(--text-dim);
  background: transparent;
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

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

.chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.chip--accent.active {
  background: var(--accent);
  border-color: var(--accent);
}

.chip--highlight.active {
  background: var(--highlight);
  border-color: var(--highlight);
  color: var(--text);
}


/* ==========================================================================
   7. Modal / Detail View
   ========================================================================== */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-overlay);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-end;
  animation: fadeIn var(--duration-normal) var(--ease-out) both;
}

.modal-content {
  position: relative;
  z-index: var(--z-modal-content);
  width: 100%;
  max-height: 90vh;
  max-height: 90dvh;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: var(--space-lg);
  padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
  animation: slideUp var(--duration-slow) var(--ease-out) both;
}

.modal-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-dim);
  background: var(--bg-alt);
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out);
}

.modal-close:hover {
  background: var(--border);
  color: var(--text);
}

.modal-section {
  margin-top: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 3px solid var(--border);
}

.modal-section__title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
  color: var(--text-dim);
}

.modal-section__body {
  font-size: 1rem;
  line-height: 1.7;
}

/* Section color accents */
.modal-section--struggle {
  border-left-color: var(--danger);
}

.modal-section--struggle .modal-section__title {
  color: var(--danger);
}

.modal-section--moment {
  border-left-color: var(--highlight);
}

.modal-section--moment .modal-section__title {
  color: #b45309;
}

.modal-section--framework {
  border-left-color: var(--info);
}

.modal-section--framework .modal-section__title {
  color: var(--info);
}

.modal-section--habits {
  border-left-color: var(--primary);
}

.modal-section--habits .modal-section__title {
  color: var(--primary);
}

.modal-section--quotes {
  border-left-color: var(--accent);
}

.modal-section--quotes .modal-section__title {
  color: var(--accent);
}

.modal-section--quotes blockquote {
  font-style: italic;
  padding-left: var(--space-sm);
  color: var(--text-dim);
}

.modal-section--quotes blockquote+blockquote {
  margin-top: var(--space-sm);
}


/* ==========================================================================
   8. Post-it Notes (Note Wall)
   ========================================================================== */

.note-wall {
  position: relative;
  min-height: calc(100vh - 140px);
  min-height: calc(100dvh - 140px);
  overflow: hidden;
}

.post-it {
  position: absolute;
  width: 160px;
  min-height: 120px;
  padding: var(--space-md);
  font-family: var(--font-handwriting);
  font-size: 1.1rem;
  line-height: 1.4;
  color: #1e293b;
  background: var(--postit-yellow);
  border-radius: 2px 2px 2px 2px;
  box-shadow: var(--shadow-post-it);
  cursor: grab;
  transform: rotate(var(--rotation, 0deg));
  transition:
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-spring);
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  z-index: var(--z-cards);
}

.post-it::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px 2px 0 0;
}

.post-it:hover {
  animation: wiggle 0.4s var(--ease-spring);
  z-index: calc(var(--z-cards) + 1);
}

.post-it.dragging {
  cursor: grabbing;
  transform: rotate(var(--rotation, 0deg)) scale(1.06);
  box-shadow: var(--shadow-post-it-drag);
  z-index: calc(var(--z-cards) + 10);
  opacity: 0.92;
}

.post-it__source {
  display: block;
  font-size: 0.8rem;
  color: rgba(0, 0, 0, 0.4);
  margin-top: var(--space-sm);
}

/* Post-it color variants */
.post-it--pink {
  background: var(--postit-pink);
}

.post-it--green {
  background: var(--postit-green);
}

.post-it--blue {
  background: var(--postit-blue);
}

.post-it--purple {
  background: var(--postit-purple);
}


/* ==========================================================================
   9. Daily Discovery Card
   ========================================================================== */

.discovery-card {
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.discovery-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  padding: 2px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;

  pointer-events: none;
}

.discovery-card__label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.discovery-card__quote {
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--text);
}

.discovery-card__source {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-dim);
  margin-top: var(--space-md);
}


/* ==========================================================================
   10. Landing Page
   ========================================================================== */

.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-xl);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.landing__bg {
  position: absolute;
  inset: 0;
  filter: blur(8px) brightness(0.95);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.landing__content {
  position: relative;
  z-index: 1;
}

.landing__title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing__subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: var(--space-2xl);
}

.landing-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  max-width: 280px;
  min-height: 60px;
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glass);
  transition:
    transform var(--duration-normal) var(--ease-spring),
    box-shadow var(--duration-normal) var(--ease-out),
    background var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.landing-btn+.landing-btn {
  margin-top: var(--space-md);
}

.landing-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.landing-btn:active {
  transform: scale(0.97);
  box-shadow: var(--shadow-sm);
}

.landing-btn__icon {
  font-size: 1.4rem;
}

.landing-btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}


/* ==========================================================================
   11. Profile View
   ========================================================================== */

.profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) 0;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  font-size: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  margin-bottom: var(--space-md);
}

.profile-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.stat-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-card__number {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-card__label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-top: var(--space-xs);
}

.streak-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--highlight), #f59e0b);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(251, 191, 36, 0.35);
}

.streak-badge__label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-top: var(--space-xs);
  text-align: center;
}


/* ==========================================================================
   12. Active Recall
   ========================================================================== */

.recall-card {
  background: #fff;
  border-radius: var(--radius);
  padding: var(--space-xl);
  box-shadow: var(--shadow-md);
  border-left: 4px solid var(--accent);
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.recall-card__question {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: var(--space-md);
}

.recall-card__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  transition:
    background var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-spring);
  -webkit-tap-highlight-color: transparent;
}

.recall-card__btn:hover {
  background: var(--accent);
  color: #fff;
}

.recall-card__btn:active {
  transform: scale(0.96);
}

.recall-reveal {
  display: none;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  animation: fadeIn var(--duration-normal) var(--ease-out) both;
}

.recall-reveal.show {
  display: block;
}


/* ==========================================================================
   13. Calculus Labs Iframe
   ========================================================================== */

.lab-frame {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--bg-alt);
}

.lab-frame-wrapper {
  margin: var(--space-md) 0;
}

.lab-frame-wrapper__title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: var(--space-sm);
}


/* ==========================================================================
   14. Animations
   ========================================================================== */

@keyframes slideUp {
  from {
    transform: translateY(100%);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes wiggle {

  0%,
  100% {
    transform: rotate(var(--rotation, 0deg));
  }

  25% {
    transform: rotate(calc(var(--rotation, 0deg) - 2deg));
  }

  75% {
    transform: rotate(calc(var(--rotation, 0deg) + 2deg));
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}


/* ==========================================================================
   15. Utility Classes
   ========================================================================== */

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

.view {
  display: none;
}

.view.active {
  display: block;
}

/* Text color */
.text-primary {
  color: var(--primary);
}

.text-accent {
  color: var(--accent);
}

.text-dim {
  color: var(--text-dim);
}

.text-danger {
  color: var(--danger);
}

.text-info {
  color: var(--info);
}

/* Spacing — margin-bottom */
.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--space-sm);
}

.mb-2 {
  margin-bottom: var(--space-md);
}

.mb-3 {
  margin-bottom: var(--space-lg);
}

.mb-4 {
  margin-bottom: var(--space-xl);
}

/* Spacing — margin-top */
.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--space-sm);
}

.mt-2 {
  margin-top: var(--space-md);
}

.mt-3 {
  margin-top: var(--space-lg);
}

.mt-4 {
  margin-top: var(--space-xl);
}

/* Spacing — padding */
.p-1 {
  padding: var(--space-sm);
}

.p-2 {
  padding: var(--space-md);
}

.p-3 {
  padding: var(--space-lg);
}

.p-4 {
  padding: var(--space-xl);
}

/* Flexbox helpers */
.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gap-1 {
  gap: var(--space-sm);
}

.gap-2 {
  gap: var(--space-md);
}

.gap-3 {
  gap: var(--space-lg);
}

/* Text */
.text-center {
  text-align: center;
}

.text-sm {
  font-size: 0.85rem;
}

.text-xs {
  font-size: 0.75rem;
}

.font-display {
  font-family: var(--font-display);
}

.font-body {
  font-family: var(--font-body);
}

.font-hand {
  font-family: var(--font-handwriting);
}

.font-bold {
  font-weight: 700;
}

/* Truncation */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* ==========================================================================
   16. Scrollbar
   ========================================================================== */

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.12);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.12) transparent;
}


/* ==========================================================================
   17. Responsive
   ========================================================================== */

/* Tablet+ */
@media (min-width: 640px) {
  .container {
    max-width: 640px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .card {
    padding: var(--space-xl);
  }

  .card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .card-grid .card+.card {
    margin-top: 0;
  }

  .stat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .post-it {
    width: 180px;
    min-height: 140px;
  }

  .landing__title {
    font-size: 2.5rem;
  }

  .landing-btn {
    max-width: 320px;
    min-height: 64px;
    font-size: 1.2rem;
  }

  .discovery-card {
    padding: var(--space-2xl);
  }

  .discovery-card__quote {
    font-size: 1.35rem;
  }
}

/* Desktop */
@media (min-width: 1024px) {
  .container {
    max-width: 960px;
  }

  h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.625rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  body {
    font-size: 1.05rem;
  }

  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .tab-nav {
    top: 0;
    bottom: auto;
    height: 56px;
    padding-bottom: 0;
    padding-top: 0;
    border-top: none;
    border-bottom: 1px solid var(--border);
    justify-content: center;
    gap: var(--space-xl);
  }

  .tab-nav__item {
    flex: unset;
    flex-direction: row;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
  }

  .tab-nav__item.active::before {
    top: auto;
    bottom: 0;
    border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  }

  .tab-nav__label {
    font-size: 0.8rem;
  }

  .app {
    padding-bottom: 0;
    padding-top: calc(56px + var(--space-md));
  }

  .post-it {
    width: 200px;
    min-height: 160px;
    font-size: 1.2rem;
  }
}

/* Touch devices — larger hit targets */
@media (hover: none) and (pointer: coarse) {
  .chip {
    min-height: 36px;
    padding: 6px 16px;
  }

  .modal-close {
    width: 44px;
    height: 44px;
  }
}


/* ==========================================================================
   18. App-Specific Styles (Dynamic Content)
   ========================================================================== */

/* -- App wrapper -- */
.app {
  padding-bottom: calc(64px + env(safe-area-inset-bottom) + var(--space-md));
}

.app-main {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-md);
}

/* -- Learn View -- */
.learn-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.learn-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  flex: 1;
}

/* ── Interactive View ───────────────────────────────────────────────────── */
.interactive-section {
  margin-bottom: var(--space-lg);
}

.interactive-section-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
  padding-left: var(--space-xs);
}

/* ── Category Grid ──────────────────────────────────────────────────────── */
.category-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--space-md) var(--space-sm);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 100px;
}

.category-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.category-card:active {
  transform: translateY(0);
}

.category-card-icon {
  font-size: 1.8rem;
}

.category-card-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.category-card-count {
  font-size: 0.7rem;
  color: var(--text-dim);
}

.category-card--wide {
  width: 100%;
  flex-direction: row;
  gap: var(--space-sm);
  min-height: auto;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-card--wide:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.category-card--wide .category-card-icon {
  font-size: 1.4rem;
}

.category-card--wide .category-card-label {
  font-weight: 600;
}

.category-card--wide .category-card-count {
  margin-left: auto;
}

/* ── Category Back Button ──────────────────────────────────────────────── */
.category-back-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}

.category-back-btn:hover {
  background: var(--border);
}

/* ── Category Tools Row ───────────────────────────────────────────────── */
.category-tools {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* ── Mindmap ─────────────────────────────────────────────────────────── */
.mindmap-section {
  padding-bottom: var(--space-xl);
}

.mindmap-input-row {
  display: flex;
  gap: var(--space-xs);
  margin-bottom: var(--space-xs);
}

.mindmap-input {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--text);
  outline: none;
  transition: border-color 0.15s;
}

.mindmap-input:focus {
  border-color: var(--accent);
}

.mindmap-add-btn {
  width: 44px;
  height: 44px;
  border: 2px solid var(--accent);
  border-radius: var(--radius-lg);
  background: var(--accent);
  color: white;
  font-size: 1.4rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.15s;
}

.mindmap-add-btn:hover {
  opacity: 0.85;
}

.mindmap-hint {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: var(--space-md);
}

.mindmap-canvas {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  touch-action: none;
  margin-bottom: var(--space-md);
}

.mindmap-canvas svg {
  display: block;
}

.mindmap-node {
  transition: transform 0.1s;
}

.mindmap-clear-btn {
  display: block;
  width: 100%;
  padding: var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.15s;
}

.mindmap-clear-btn:hover {
  border-color: #ef4444;
  color: #ef4444;
}

/* ── Evolving Note ────────────────────────────────────────────────────── */
.evolving-note {
  margin-top: var(--space-md);
  padding: var(--space-md);
  border-left: 3px solid var(--accent);
  background: var(--bg-alt);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.evolving-note p {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--text-dim);
  line-height: 1.6;
  margin: 0;
}

/* ── Lab card description ─────────────────────────────────────────────── */
.person-card-desc {
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: var(--space-xs);
  line-height: 1.4;
}

.field-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
}

.chip-count {
  font-size: 0.65rem;
  opacity: 0.6;
}

.card-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.card-grid .card {
  margin-top: 0;
  cursor: pointer;
}

.card-fields {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: var(--space-sm);
}

.field-tag {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-alt);
  color: var(--text-dim);
  text-transform: capitalize;
}

.card-quote {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-dim);
  margin-top: var(--space-sm);
  line-height: 1.5;
}

/* -- Discovery Card (Learn View) -- */
.discovery-card {
  cursor: pointer;
  margin-bottom: var(--space-lg);
}

.discovery-card-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.discovery-card-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.discovery-card-emoji {
  font-size: 2rem;
}

.discovery-card-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.discovery-card-years {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.discovery-card-tagline {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dim);
  font-style: italic;
}

.discovery-card-quote {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--text);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  line-height: 1.6;
}

/* -- Landing View -- */
.landing-bg {
  position: absolute;
  inset: 0;
  filter: blur(8px) brightness(0.95);
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.landing-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-title {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-sm);
}

.landing-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-dim);
  margin-bottom: var(--space-2xl);
}

.landing-buttons {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  width: 100%;
  max-width: 280px;
  margin-bottom: var(--space-xl);
}

.landing-btn-icon {
  font-size: 1.4rem;
}

.landing-note {
  position: absolute;
  padding: 8px 12px;
  font-family: var(--font-handwriting);
  font-size: 0.9rem;
  border-radius: 2px;
  box-shadow: var(--shadow-post-it);
  color: #1e293b;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.streak-display {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
}

.streak-fire {
  font-size: 1.5rem;
}

.streak-count {
  font-size: 1rem;
}

.discovery-preview {
  background: var(--surface);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  cursor: pointer;
  max-width: 280px;
  box-shadow: var(--shadow-glass);
  transition: transform var(--duration-normal) var(--ease-spring);
}

.discovery-preview:active {
  transform: scale(0.97);
}

.discovery-label {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}

.discovery-emoji {
  font-size: 2rem;
  margin-bottom: var(--space-xs);
}

.discovery-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
}

.discovery-tagline {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-dim);
  font-style: italic;
  margin-top: 2px;
}

/* -- Modal Content Details -- */
.modal-hero {
  text-align: center;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.modal-hero-top {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.modal-emoji {
  font-size: 2.5rem;
}

.modal-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}

.modal-years {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.modal-tagline {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-dim);
  font-style: italic;
  margin-top: var(--space-sm);
}

.modal-section {
  margin-top: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 3px solid var(--border);
}

.modal-section h4 {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-sm);
  color: var(--text-dim);
}

.section-icon {
  margin-right: 4px;
}

.modal-section p,
.modal-section li {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
}

.modal-section ul {
  padding-left: var(--space-md);
  list-style: disc;
}

.modal-section li+li {
  margin-top: var(--space-xs);
}

.section-struggle {
  border-left-color: var(--danger);
}

.section-struggle h4 {
  color: var(--danger);
}

.section-moment {
  border-left-color: var(--highlight);
}

.section-moment h4 {
  color: #b45309;
}

.section-framework {
  border-left-color: var(--info);
}

.section-framework h4 {
  color: var(--info);
}

.section-habits {
  border-left-color: var(--primary);
}

.section-habits h4 {
  color: var(--primary);
}

.section-quotes {
  border-left-color: var(--accent);
}

.section-quotes h4 {
  color: var(--accent);
}

.section-books {
  border-left-color: #a855f7;
}

.section-books h4 {
  color: #a855f7;
}

.section-takeaways {
  border-left-color: var(--primary);
}

.section-takeaways h4 {
  color: var(--primary);
}

.section-recall {
  border-left-color: var(--highlight);
  background: rgba(251, 191, 36, 0.04);
}

.section-recall h4 {
  color: #b45309;
}

.section-deepdive {
  border-left-color: var(--info);
}

.section-deepdive h4 {
  color: var(--info);
}

.bookmark-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-dim);
  transition: color var(--duration-fast);
}

.bookmark-btn.active {
  color: var(--highlight);
}

.quote-block {
  margin-bottom: var(--space-md);
}

.quote-text {
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-style: italic;
  line-height: 1.6;
  color: var(--text);
}

.quote-attr {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.book-item {
  margin-bottom: var(--space-md);
}

.book-title {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  font-style: italic;
  color: #a855f7;
}

.book-author {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: var(--space-xs);
}

.book-desc {
  font-size: 0.95rem;
  line-height: 1.6;
}

.takeaway-item {
  margin-bottom: var(--space-md);
}

.takeaway-item strong {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--primary);
  display: block;
  margin-bottom: 2px;
}

.takeaway-item p {
  margin-top: 0;
}

.deepdive-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.deepdive-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--info-light);
  color: var(--info);
  text-decoration: none;
  transition: background var(--duration-fast);
}

.deepdive-btn:hover {
  background: var(--info);
  color: #fff;
}

/* -- Active Recall (inline) -- */
.recall-card {
  margin-bottom: var(--space-lg);
}

.recall-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: var(--space-sm);
}

.recall-question {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.recall-reveal-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  color: var(--accent);
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast);
}

.recall-reveal-btn:hover {
  background: var(--accent);
  color: #fff;
}

.recall-answer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border);
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.recall-btns {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.recall-btn-wrong,
.recall-btn-right {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.recall-btn-wrong {
  background: var(--danger-light);
  color: var(--danger);
}

.recall-btn-right {
  background: var(--primary-light);
  color: var(--primary);
}

.recall-btn-wrong:active,
.recall-btn-right:active {
  transform: scale(0.95);
}

.recall-done {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--primary);
  text-align: center;
  padding: var(--space-md);
}

/* -- Difficulty Badge -- */
.difficulty-badge {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.difficulty-beginner {
  background: var(--primary-light);
  color: var(--primary);
}

.difficulty-intermediate {
  background: var(--highlight-light);
  color: #b45309;
}

.difficulty-advanced {
  background: var(--accent-light);
  color: var(--accent);
}

.card-difficulty {
  margin-top: var(--space-sm);
}

/* -- Lab Frame Container -- */
.lab-frame-container {
  margin-top: var(--space-lg);
}

.lab-frame {
  width: 100%;
  min-height: 400px;
  border: none;
  border-radius: var(--radius-sm);
  background: #0d0f14;
}

/* -- Note Wall View -- */
.view-notewall {
  padding: 0 !important;
}

.notewall-header {
  padding: var(--space-md) var(--space-lg);
}

.notewall-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
}

.notewall-hint {
  font-size: 0.85rem;
  color: var(--text-dim);
}

.notewall-canvas {
  position: relative;
  min-height: calc(100vh - 180px);
  min-height: calc(100dvh - 180px);
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  overflow: auto;
}

/* -- Note Form (Add Note) -- */
.note-form {
  position: absolute;
  z-index: 100;
  width: 220px;
  background: #fff;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  padding: var(--space-md);
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.note-form-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: var(--space-sm);
  font-family: var(--font-handwriting);
  font-size: 1rem;
  resize: none;
  outline: none;
}

.note-form-input:focus {
  border-color: var(--primary);
}

.note-form-colors {
  display: flex;
  gap: 6px;
  margin-top: var(--space-sm);
}

.note-color-btn {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--duration-fast);
}

.note-color-btn.active {
  transform: scale(1.2);
  box-shadow: 0 0 0 2px var(--text);
}

.note-form-footer {
  margin-top: var(--space-sm);
}

.note-form-author {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  padding: 4px var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.8rem;
  outline: none;
  margin-bottom: var(--space-sm);
}

.note-form-btns {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-sm);
}

.note-form-cancel,
.note-form-save {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  border: none;
  cursor: pointer;
}

.note-form-cancel {
  background: var(--bg-alt);
  color: var(--text-dim);
}

.note-form-save {
  background: var(--primary);
  color: #fff;
}

/* -- Post-it content & meta -- */
.post-it-content {
  font-family: var(--font-handwriting);
  font-size: 1rem;
  line-height: 1.4;
  word-break: break-word;
}

.post-it-meta {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.65rem;
  color: rgba(0, 0, 0, 0.35);
}

.post-it-actions {
  position: absolute;
  top: 4px;
  right: 4px;
  display: flex;
  gap: 2px;
  opacity: 0;
  transition: opacity var(--duration-fast);
}

.post-it:hover .post-it-actions {
  opacity: 1;
}

.post-it-pin,
.post-it-delete {
  background: none;
  border: none;
  font-size: 0.7rem;
  cursor: pointer;
  padding: 2px;
  opacity: 0.6;
}

.post-it-pin:hover,
.post-it-delete:hover {
  opacity: 1;
}

.post-it.pinned {
  z-index: calc(var(--z-cards) + 5);
}

/* -- Profile View -- */
.profile-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
}

.profile-streak {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: var(--space-lg) 0;
}

.streak-badge-large {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.streak-fire-large {
  font-size: 2rem;
}

.streak-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
}

.streak-label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-top: var(--space-xs);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-top: var(--space-xs);
}

.profile-section {
  margin-top: var(--space-xl);
}

.profile-section-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

.bookmark-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.bookmark-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--surface);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.bookmark-item:active {
  transform: scale(0.98);
}

.bookmark-emoji {
  font-size: 1.5rem;
}

.bookmark-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
}

.bookmark-field {
  font-size: 0.75rem;
  color: var(--text-dim);
  text-transform: capitalize;
}

.profile-about {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin-bottom: var(--space-sm);
}

/* -- Lab Card -- */
.lab-card {
  cursor: pointer;
}


/* ==========================================================================
   AI & Search Settings (Profile View)
   ========================================================================== */

.settings-group {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.settings-row-info {
  flex: 1;
  min-width: 0;
}

.settings-row-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.settings-row-desc {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.4;
  margin-top: 2px;
}

.settings-divider {
  height: 1px;
  background: var(--border);
  margin: var(--space-sm) 0;
}

/* Toggle switch */
.toggle {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-alt);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-pill);
  transition: background var(--duration-fast), border-color var(--duration-fast);
  cursor: pointer;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
  transition: transform var(--duration-fast) var(--ease-spring);
}

.toggle input:checked+.toggle-slider {
  background: var(--primary);
  border-color: var(--primary);
}

.toggle input:checked+.toggle-slider::before {
  transform: translateX(20px);
}

/* Select dropdown */
.settings-select {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-xs);
  border: 1.5px solid var(--border-strong);
  background: var(--bg-alt);
  color: var(--text);
  cursor: pointer;
  outline: none;
  appearance: auto;
  min-width: 120px;
}

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

/* Extra fields (Ollama/Cloud) */
.settings-extra {
  padding: var(--space-sm) 0;
  animation: fadeIn var(--duration-normal) var(--ease-out);
}

.settings-field {
  margin-bottom: var(--space-sm);
}

.settings-field-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: var(--space-xs);
}

.settings-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-xs);
  background: var(--bg-alt);
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text);
  outline: none;
  transition: border-color var(--duration-fast);
}

.settings-input:focus {
  border-color: var(--primary);
}

.settings-input::placeholder {
  color: var(--text-dim);
  opacity: 0.6;
}

/* Test connection button */
.settings-test-btn {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-xs);
  background: var(--info-light);
  color: var(--info);
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast), transform var(--duration-fast) var(--ease-spring);
  white-space: nowrap;
}

.settings-test-btn:hover {
  background: var(--info);
  color: #fff;
}

.settings-test-btn:active {
  transform: scale(0.96);
}

.settings-test-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.settings-test-result {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--text-dim);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.settings-test-ok {
  color: var(--primary);
}

.settings-test-fail {
  color: var(--danger);
}

.settings-note {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.5;
  padding: var(--space-sm) 0;
}

.settings-note code {
  font-size: 0.75rem;
  background: var(--bg-alt);
  padding: 1px 4px;
  border-radius: 3px;
}

/* Thinking animation for tutor */
.tutor-thinking {
  animation: pulse 1.2s ease-in-out infinite;
  color: var(--text-dim);
  font-style: italic;
}


/* ==========================================================================
   19. Search Overlay
   ========================================================================== */

.search-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal-overlay);
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 10vh;
  animation: fadeIn var(--duration-normal) var(--ease-out) both;
}

.search-overlay-content {
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  animation: slideUp var(--duration-slow) var(--ease-out) both;
  margin: 0 var(--space-md);
}

.search-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: 1px solid var(--border);
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 500;
  background: transparent;
  color: var(--text);
}

.search-input::placeholder {
  color: var(--text-dim);
}

.search-close-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-dim);
  background: var(--bg-alt);
}

.search-results {
  overflow-y: auto;
  padding: var(--space-sm);
  flex: 1;
}

.search-group {
  margin-bottom: var(--space-md);
}

.search-group-title {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  padding: var(--space-xs) var(--space-sm);
}

.search-result-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: background var(--duration-fast);
}

.search-result-item:hover {
  background: var(--bg-alt);
}

.search-result-source {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.search-result-snippet {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-top: 2px;
}

.search-result-snippet mark {
  background: var(--highlight-light);
  color: var(--text);
  border-radius: 2px;
  padding: 0 2px;
}

.search-result-field {
  font-family: var(--font-display);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: capitalize;
  margin-top: 2px;
}

.search-empty {
  text-align: center;
  padding: var(--space-xl);
  color: var(--text-dim);
  font-family: var(--font-display);
}

/* Search button in learn header */
.learn-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.search-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  background: var(--bg-alt);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.search-btn:hover {
  background: var(--primary-light);
  color: var(--primary);
}


/* ==========================================================================
   20. Connections Section (Person Modal)
   ========================================================================== */

.section-connections {
  border-left-color: var(--primary);
}

.section-connections h4 {
  color: var(--primary);
}

.connections-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.connection-card {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring), background var(--duration-fast);
}

.connection-card:hover {
  background: var(--primary-light);
  transform: translateX(4px);
}

.connection-card:active {
  transform: scale(0.98);
}

.connection-emoji {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.connection-info {
  min-width: 0;
}

.connection-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text);
}

.connection-labels {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}


/* ==========================================================================
   21. Learning Paths
   ========================================================================== */

.path-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius);
  box-shadow: var(--shadow-glass);
  padding: var(--space-lg);
  cursor: pointer;
  transition: transform var(--duration-normal) var(--ease-spring), box-shadow var(--duration-normal);
  animation: fadeIn var(--duration-slow) var(--ease-out) both;
}

.path-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.path-card:active {
  transform: scale(0.98);
}

.path-card+.path-card {
  margin-top: var(--space-md);
}

.path-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-sm);
}

.path-card-emoji {
  font-size: 2rem;
}

.path-card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
}

.path-card-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.path-card-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.path-progress {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.path-progress-bar {
  flex: 1;
  height: 4px;
  background: var(--bg-alt);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.path-progress-fill {
  height: 100%;
  background: var(--primary);
  border-radius: var(--radius-pill);
  transition: width var(--duration-slow) var(--ease-out);
}

.path-progress-text {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-dim);
}

/* Path Detail */
.path-detail-header {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.path-back-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  margin-bottom: var(--space-md);
}

.path-detail-emoji {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.path-detail-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}

.path-detail-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-dim);
  margin-top: var(--space-sm);
}

/* Path Timeline */
.path-timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.path-step {
  position: relative;
  padding-bottom: var(--space-xl);
}

.path-step-line {
  position: absolute;
  left: -20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.path-step:last-child .path-step-line {
  display: none;
}

.path-step-dot {
  position: absolute;
  left: -26px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--border-strong);
  z-index: 1;
}

.path-step-dot--done {
  background: var(--primary);
  border-color: var(--primary);
}

.path-step--done {
  opacity: 0.7;
}

.path-step-card {
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.path-step-card:active {
  transform: scale(0.98);
}

.path-step-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.path-step-emoji {
  font-size: 1.5rem;
}

.path-step-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
}

.path-step-years {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.path-step-badge {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  background: var(--highlight-light);
  color: #b45309;
}

.path-step-connector {
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin-top: var(--space-sm);
  padding-left: var(--space-xs);
  font-style: italic;
}

/* Practice steps in paths */
.path-practice-step {
  position: relative;
  padding-bottom: var(--space-lg);
}

.path-practice-step .path-step-line {
  position: absolute;
  left: -20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--border);
}

.path-practice-dot {
  position: absolute;
  left: -24px;
  top: 2px;
  font-size: 0.7rem;
  color: var(--accent);
  z-index: 1;
}

.path-practice-content {
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
}

.path-practice-label {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: var(--space-xs);
}

.path-practice-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.path-practice-origin {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: var(--space-xs);
}

.path-practice-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-dim);
}


/* ==========================================================================
   22. Concept Canvas
   ========================================================================== */

.canvas-view {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-nav) + 1);
  background: var(--bg);
  flex-direction: column;
}

.canvas-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
}

.canvas-back-btn {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
}

.canvas-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
}

.canvas-workspace {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.canvas-tray {
  width: 72px;
  background: var(--bg-alt);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: var(--space-sm) var(--space-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.canvas-tray-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-xs);
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: background var(--duration-fast);
  width: 100%;
  text-align: center;
}

.canvas-tray-item:hover {
  background: var(--primary-light);
}

.canvas-tray-item:active {
  transform: scale(0.95);
}

.canvas-tray-emoji {
  font-size: 1.25rem;
}

.canvas-tray-name {
  font-family: var(--font-display);
  font-size: 0.55rem;
  font-weight: 500;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
}

.concept-canvas {
  display: block;
  width: 100%;
  height: 100%;
}

/* Canvas controls */
.canvas-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-lg);
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.canvas-layout-btns {
  display: flex;
  gap: var(--space-xs);
}

.canvas-layout-btn {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-strong);
  color: var(--text-dim);
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.canvas-layout-btn.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.canvas-actions {
  display: flex;
  gap: var(--space-xs);
}

.canvas-action-btn {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: var(--radius-xs);
  background: var(--bg);
  color: var(--text-dim);
  border: 1px solid var(--border);
  cursor: pointer;
}

.canvas-action-btn:hover {
  color: var(--text);
  border-color: var(--text-dim);
}

.canvas-saved {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.canvas-saved-btn {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  background: var(--info-light);
  color: var(--info);
  border: none;
  cursor: pointer;
}


/* ==========================================================================
   23. Tutor Chat Panel
   ========================================================================== */

.tutor-fab {
  position: fixed;
  bottom: calc(76px + env(safe-area-inset-bottom));
  right: var(--space-md);
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.35);
  z-index: calc(var(--z-nav) - 1);
  transition: transform var(--duration-fast) var(--ease-spring), box-shadow var(--duration-fast);
  -webkit-tap-highlight-color: transparent;
}

.tutor-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
}

.tutor-fab:active {
  transform: scale(0.95);
}

.tutor-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-modal-overlay);
  background: #fff;
  border-radius: var(--radius) var(--radius) 0 0;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.12);
  max-height: 70vh;
  max-height: 70dvh;
  flex-direction: column;
  animation: slideUp var(--duration-slow) var(--ease-out) both;
}

.tutor-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.tutor-panel-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
}

.tutor-panel-close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--text-dim);
  background: var(--bg-alt);
}

.tutor-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md);
  min-height: 200px;
  max-height: calc(70vh - 120px);
  max-height: calc(70dvh - 120px);
}

.tutor-input-row {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-top: 1px solid var(--border);
  padding-bottom: calc(var(--space-md) + env(safe-area-inset-bottom));
}

.tutor-input {
  flex: 1;
  border: 1.5px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
  outline: none;
  background: var(--bg-alt);
  color: var(--text);
}

.tutor-input:focus {
  border-color: var(--primary);
}

.tutor-send-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--duration-fast) var(--ease-spring);
}

.tutor-send-btn:active {
  transform: scale(0.9);
}

/* Chat messages */
.tutor-msg {
  margin-bottom: var(--space-md);
  max-width: 90%;
}

.tutor-msg--user {
  margin-left: auto;
}

.tutor-msg--user .tutor-msg-text {
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm) var(--radius-sm) 4px var(--radius-sm);
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-display);
  font-size: 0.9rem;
}

.tutor-msg--tutor .tutor-msg-text {
  background: var(--bg-alt);
  border-radius: var(--radius-sm) var(--radius-sm) var(--radius-sm) 4px;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
}

.tutor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}

.tutor-action-btn {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary);
  border: none;
  cursor: pointer;
  transition: background var(--duration-fast);
}

.tutor-action-btn:hover {
  background: var(--primary);
  color: #fff;
}

/* Welcome state */
.tutor-welcome {
  text-align: center;
  padding: var(--space-xl);
}

.tutor-welcome-emoji {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.tutor-welcome-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.tutor-welcome-desc {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-dim);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tutor-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

.tutor-suggestion {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-strong);
  color: var(--text-dim);
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-fast);
}

.tutor-suggestion:hover {
  border-color: var(--primary);
  color: var(--primary);
}


/* ==========================================================================
   24. Responsive Adjustments for New Features
   ========================================================================== */

@media (min-width: 640px) {
  .connections-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .canvas-tray {
    width: 88px;
  }

  .tutor-panel {
    max-width: 480px;
    left: auto;
    right: var(--space-md);
    bottom: var(--space-md);
    border-radius: var(--radius);
    max-height: 60vh;
  }

  .tutor-fab {
    bottom: calc(76px + env(safe-area-inset-bottom));
    right: var(--space-lg);
  }
}

@media (min-width: 1024px) {
  .connections-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .search-overlay-content {
    max-width: 600px;
    margin-top: 5vh;
  }

  .canvas-tray {
    width: 100px;
  }

  .tutor-fab {
    bottom: var(--space-lg);
  }
}

@media (hover: none) and (pointer: coarse) {

  .search-btn,
  .tutor-fab {
    min-width: 44px;
    min-height: 44px;
  }

  .canvas-tray-item {
    min-height: 44px;
  }

  .tutor-action-btn {
    min-height: 36px;
    padding: 6px 12px;
  }

  .path-step-card {
    min-height: 44px;
  }

  .connection-card {
    min-height: 44px;
  }

  .settings-select,
  .settings-input,
  .settings-test-btn {
    min-height: 44px;
  }

  .toggle {
    width: 52px;
    height: 28px;
  }

  .toggle-slider::before {
    width: 22px;
    height: 22px;
  }

  .toggle input:checked+.toggle-slider::before {
    transform: translateX(24px);
  }
}

/* ==========================================================================
   Ethics Timeline Wall
   ========================================================================== */

.ethics-timeline {
  padding-bottom: var(--space-xl);
}

/* Region Filter Pills */
.ethics-region-pills {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-lg);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.ethics-region-pills::-webkit-scrollbar {
  display: none;
}

.ethics-region-pill {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--border-strong);
  color: var(--text-dim);
  background: transparent;
  cursor: pointer;
  transition:
    background var(--duration-fast) var(--ease-out),
    color var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.ethics-region-pill:hover {
  border-color: var(--pill-color, var(--primary));
  color: var(--pill-color, var(--primary));
}

.ethics-region-pill.active {
  background: var(--pill-color, var(--primary));
  border-color: var(--pill-color, var(--primary));
  color: #fff;
}

/* Timeline Wall */
.ethics-timeline-wall {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Context Markers */
.ethics-context-marker {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
}

.ethics-context-line {
  flex: 1;
  height: 1px;
  background: var(--border-strong);
}

.ethics-context-text {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-style: italic;
  color: var(--text-dim);
  white-space: nowrap;
  text-align: center;
  flex-shrink: 0;
  max-width: 80%;
  white-space: normal;
  line-height: 1.4;
}

/* Timeline Cards */
.ethics-card {
  background: #fff;
  border-radius: var(--radius-sm);
  border-left: 4px solid var(--region-color, var(--primary));
  box-shadow: var(--shadow-sm);
  padding: var(--space-md);
  cursor: pointer;
  transition:
    box-shadow var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out);
  -webkit-tap-highlight-color: transparent;
}

.ethics-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.ethics-card:active {
  transform: translateY(0);
}

.ethics-card-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.ethics-card-emoji {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

.ethics-card-title {
  flex: 1;
  min-width: 0;
}

.ethics-card-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.ethics-card-years {
  font-family: var(--font-display);
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.ethics-card-tradition {
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-alt);
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
  align-self: flex-start;
}

.ethics-card-body {
  padding-left: calc(1.4rem + var(--space-sm));
}

.ethics-card-ideas {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 4px 0;
}

.ethics-card-impact {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-dim);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}

/* Scroll Animation */
.ethics-animate {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.ethics-animate.ethics-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Detail Modal */
.ethics-detail {
  padding: 0;
}

.ethics-detail-hero {
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  background: var(--bg-alt);
  border-radius: var(--radius-xs);
}

.ethics-detail-emoji {
  font-size: 2rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.ethics-detail-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 4px 0;
}

.ethics-detail-years {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: var(--space-sm);
}

.ethics-detail-tradition {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary);
}

.ethics-detail-section {
  margin-bottom: var(--space-lg);
}

.ethics-detail-section h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 var(--space-sm) 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ethics-detail-section p {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
}

.ethics-detail-works {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ethics-detail-works li {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text);
  padding: 4px 0;
  border-bottom: 1px solid var(--border);
}

.ethics-detail-works li:last-child {
  border-bottom: none;
}

/* Detail Link Buttons */
.ethics-detail-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.ethics-detail-btn {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  text-decoration: none;
  transition:
    background var(--duration-fast) var(--ease-out),
    transform var(--duration-fast) var(--ease-out);
}

.ethics-detail-btn:hover {
  transform: translateY(-1px);
}

.ethics-detail-btn:active {
  transform: translateY(0);
}

.ethics-btn-gemini {
  background: #4285f4;
  color: #fff;
}

.ethics-btn-gemini:hover {
  background: #3367d6;
}

.ethics-btn-scholar {
  background: var(--bg-alt);
  color: var(--text);
  border: 1px solid var(--border-strong);
}

.ethics-btn-scholar:hover {
  background: var(--border);
}

.ethics-btn-stanford {
  background: #8c1515;
  color: #fff;
}

.ethics-btn-stanford:hover {
  background: #6e1010;
}

/* Responsive */
@media (min-width: 600px) {
  .ethics-card-body {
    padding-left: 0;
  }

  .ethics-card-ideas,
  .ethics-card-impact {
    -webkit-line-clamp: 3;
  }

  .ethics-context-text {
    font-size: 0.9rem;
  }
}

/* ═══════════════════════════════════════════════════════════════════════════ */
/* Neuroanatomy / QIF Hourglass Section                                       */
/* ═══════════════════════════════════════════════════════════════════════════ */

.neuro-section {
  padding-bottom: var(--space-xl);
}

.neuro-explainer {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  border: 1px solid var(--border);
}

.neuro-explainer-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
}

.neuro-explainer-desc {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 var(--space-sm);
}

.neuro-explainer-status {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--text-dim);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.neuro-explainer-principle {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-dim);
  margin: 0 0 var(--space-md);
}

.neuro-zones {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.neuro-zone {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.neuro-zone-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--zone-color);
  flex-shrink: 0;
  margin-top: 4px;
}

.neuro-zone-name {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
}

.neuro-zone-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ── Band Cards (Accordion) ────────────────────────────────────────────── */
.neuro-bands {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.neuro-band {
  background: var(--bg-card);
  border-left: 4px solid var(--band-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.neuro-band:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.neuro-band--open {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.neuro-band-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  user-select: none;
}

.neuro-band-emoji {
  font-size: 1.3rem;
}

.neuro-band-title {
  flex: 1;
  display: flex;
  align-items: baseline;
  gap: var(--space-xs);
}

.neuro-band-id {
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--band-color);
  background: color-mix(in srgb, var(--band-color) 12%, transparent);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
}

.neuro-band-name {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
}

.neuro-band-zone {
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
}

.neuro-band-zone--neural { background: #dcfce7; color: #166534; }
.neuro-band-zone--interface { background: #fef3c7; color: #92400e; }
.neuro-band-zone--silicon { background: #dbeafe; color: #1e40af; }

/* ── Band Body (expanded) ─────────────────────────────────────────────── */
.neuro-band-body {
  padding: 0 var(--space-md) var(--space-md);
}

.neuro-band-row {
  margin-bottom: var(--space-sm);
}

.neuro-band-row p {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--text);
  margin: 4px 0 0;
}

.neuro-band-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.neuro-band-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.neuro-tag {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: var(--bg-alt);
  color: var(--text-dim);
}

.neuro-tag--osc {
  background: color-mix(in srgb, var(--band-color) 15%, transparent);
  color: var(--band-color);
}

.neuro-band-severity {
  font-weight: 600;
  color: #dc2626;
}

.neuro-band-fact {
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) !important;
  margin-top: var(--space-sm);
}

.neuro-band-fact p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ── Consent Modal ────────────────────────────────────────────────────────── */
.consent-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  backdrop-filter: blur(4px);
}

.consent-modal {
  background: #ffffff;
  border-radius: 16px;
  padding: 24px;
  max-width: 440px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.consent-title {
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 1.3rem;
  font-weight: 600;
  color: #1e293b;
  margin-bottom: 16px;
  text-align: center;
}

.consent-body p {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.88rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 8px;
}

.consent-storage {
  background: #f1f5f9;
  border-radius: 8px;
  padding: 8px;
  font-size: 0.82rem !important;
  border-left: 3px solid #10b981;
}

.consent-btn {
  display: block;
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  background: #10b981;
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: 'Outfit', system-ui, sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.consent-btn:hover { opacity: 0.9; }
.consent-btn:focus-visible { outline: 2px solid #10b981; outline-offset: 2px; }

/* ── Auditory Section ─────────────────────────────────────────────────────── */
.auditory-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.auditory-intro p {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
}

.auditory-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.auditory-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-radius: 12px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}

.auditory-link:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.auditory-link--spotify {
  background: linear-gradient(135deg, #1db954 0%, #158a3e 100%);
  color: #fff;
}

.auditory-link--github {
  background: var(--surface-alt, #f1f5f9);
  color: var(--text);
  border: 1px solid var(--border, #e2e8f0);
}

.auditory-link-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.auditory-link-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.auditory-link-desc {
  font-size: 0.78rem;
  opacity: 0.85;
  margin-top: 2px;
}

.auditory-tracks {
  background: var(--surface-alt, #f8fafc);
  border-radius: 12px;
  padding: var(--space-md);
}

.auditory-tracks-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.auditory-track {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border, #e2e8f0);
}

.auditory-track:last-child { border-bottom: none; }

.auditory-track-emoji {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.auditory-track-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.auditory-track-meta {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 2px;
}

.auditory-why {
  background: var(--surface-alt, #f8fafc);
  border-radius: 12px;
  padding: var(--space-md);
}

.auditory-why ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.auditory-why li {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 4px 0;
  padding-left: 16px;
  position: relative;
}

.auditory-why li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, #10b981);
  transform: translateY(-50%);
}

/* ── Notes Description & Sections ─────────────────────────────────────────── */
.notes-description {
  padding: 0 var(--space-lg, 16px) var(--space-md, 16px);
}

.notes-description-text {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
  margin: 0 0 var(--space-sm, 8px) 0;
}

.notes-how-it-works {
  font-size: 0.82rem;
  color: var(--text-dim);
  cursor: pointer;
}

.notes-how-it-works summary {
  font-weight: 600;
  color: var(--accent, #10b981);
  margin-bottom: var(--space-xs, 4px);
}

.notes-how-it-works p {
  line-height: 1.5;
  margin: var(--space-xs, 4px) 0;
}

.notes-section {
  margin-bottom: var(--space-md, 16px);
}

.notes-section--mindmap {
  border-top: 1px solid var(--border, #e2e8f0);
  padding: var(--space-md, 16px) var(--space-lg, 16px);
  text-align: center;
}

.notes-section-label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 0 0 var(--space-xs, 8px) 0;
}

.notewall-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-sm);
}

/* ── Mind My Business Button ─────────────────────────────────────────────── */
.mindmap-trigger-btn {
  display: inline-block;
  padding: var(--space-md, 12px) var(--space-xl, 24px);
  background: linear-gradient(135deg, var(--accent, #10b981), #059669);
  color: #fff;
  border: none;
  border-radius: var(--radius-lg, 12px);
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.mindmap-trigger-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}

.mindmap-trigger-btn:active:not(:disabled) {
  transform: translateY(0);
}

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

.mindmap-trigger-hint {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin: var(--space-xs, 4px) 0 var(--space-md, 16px);
}

/* ── Mindmap Result ──────────────────────────────────────────────────────── */
.mindmap-stats {
  display: flex;
  gap: var(--space-md, 12px);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-sm, 8px);
  font-size: 0.78rem;
  color: var(--text-dim);
}

.mindmap-stats span {
  padding: 2px 10px;
  background: var(--bg-alt, #f8fafc);
  border-radius: var(--radius-sm, 6px);
  border: 1px solid var(--border, #e2e8f0);
}

.mindmap-stats-time {
  font-style: italic;
}

.mindmap-legend {
  text-align: center;
  margin-top: var(--space-sm, 8px);
}

.mindmap-legend-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin: 2px 0;
}

.mindmap-empty {
  padding: var(--space-xl, 24px);
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
}

.mindmap-processing {
  padding: var(--space-xl, 24px);
  text-align: center;
  color: var(--text-dim);
}

.mindmap-processing-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border, #e2e8f0);
  border-top-color: var(--accent, #10b981);
  border-radius: 50%;
  margin: 0 auto var(--space-md, 12px);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── TARA Threat List ─────────────────────────────────────────────────────── */
.tara-list { display: flex; flex-direction: column; gap: 12px; }
.tara-technique { padding: 12px; border: 1px solid var(--border, #e2e8f0); border-radius: 8px; background: var(--surface, #fff); }
.tara-technique-header { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; flex-wrap: wrap; }
.tara-id { font-family: var(--font-mono, monospace); font-size: 0.75rem; color: var(--text-dim); background: var(--surface-alt, #f1f5f9); padding: 2px 6px; border-radius: 4px; }
.tara-severity { font-size: 0.7rem; color: #fff; padding: 2px 8px; border-radius: 4px; text-transform: uppercase; font-weight: 600; }
.tara-status { font-size: 0.72rem; color: var(--text-dim); }
.tara-technique-name { font-weight: 600; font-size: 0.88rem; margin-bottom: 4px; }
.tara-technique-desc { font-size: 0.8rem; color: var(--text-dim); line-height: 1.4; }
.tara-technique-bands { display: flex; gap: 4px; margin-top: 6px; flex-wrap: wrap; }
.tara-band { font-size: 0.7rem; background: var(--surface-alt, #f1f5f9); padding: 2px 6px; border-radius: 4px; color: var(--text-dim); }
.tara-more { font-size: 0.82rem; color: var(--text-dim); padding: 8px 0; }
.tara-more a { color: var(--primary); }

/* ── Guardrail Cards ─────────────────────────────────────────────────────── */
.guardrail-examples { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.guardrail-wrong { background: #fef2f2; border-left: 3px solid #ef4444; padding: 8px 12px; border-radius: 4px; font-size: 0.82rem; }
.guardrail-right { background: #f0fdf4; border-left: 3px solid #22c55e; padding: 8px 12px; border-radius: 4px; font-size: 0.82rem; }

/* ── Neurowall Stages ────────────────────────────────────────────────────── */
.neurowall-stage { padding: 8px 0; border-bottom: 1px solid var(--border, #e2e8f0); }
.neurowall-stage:last-child { border-bottom: none; }
.neurowall-stage strong { font-size: 0.88rem; }
.neurowall-stage p { font-size: 0.82rem; color: var(--text-dim); margin: 4px 0 0; }

/* ── Governance Doc Cards ────────────────────────────────────────────────── */
.governance-doc { padding: 12px 0; border-bottom: 1px solid var(--border, #e2e8f0); }
.governance-doc:last-child { border-bottom: none; }
.governance-doc-title { font-weight: 600; font-size: 0.9rem; color: var(--primary); text-decoration: none; display: block; margin-bottom: 4px; }
.governance-doc-title:hover { text-decoration: underline; }
.governance-doc p { font-size: 0.82rem; color: var(--text-dim); margin: 0 0 6px; }
.governance-doc-topics { display: flex; gap: 4px; flex-wrap: wrap; }

/* ── Audio View ───────────────────────────────────────────────────────────── */
.audio-view-wrapper {
  padding: var(--space-md);
  max-width: 600px;
  margin: 0 auto;
}

.audio-view-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: var(--space-md);
}

/* ── Vision Section ───────────────────────────────────────────────────────── */
.vision-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.vision-intro p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.vision-docs-link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent, #10b981);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--accent, #10b981);
  border-radius: 8px;
  transition: all 0.15s;
}

.vision-docs-link:hover {
  background: var(--accent, #10b981);
  color: #fff;
}

.vision-heading {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.vision-card {
  background: var(--surface-alt, #f8fafc);
  border-radius: 12px;
  padding: var(--space-md);
}

.vision-pipeline {
  background: var(--surface-alt, #f8fafc);
  border-radius: 12px;
  padding: var(--space-md);
  overflow-x: auto;
}

.vision-stages {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.vision-stage {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border-radius: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border, #e2e8f0);
  min-width: 0;
}

.vision-stage-icon { font-size: 1.2rem; flex-shrink: 0; }
.vision-stage div { display: flex; flex-direction: column; min-width: 0; }
.vision-stage strong { font-family: var(--font-display); font-size: 0.82rem; color: var(--text); }
.vision-stage span { font-size: 0.72rem; color: var(--text-dim); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.vision-arrow {
  color: var(--text-dim);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.vision-table {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.vision-row {
  display: flex;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border, #e2e8f0);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.vision-row:last-child { border-bottom: none; }

.vision-row span {
  flex: 1;
  min-width: 0;
}

.vision-row-header {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.vision-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.vision-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--border, #e2e8f0);
}

.vision-stat-num {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent, #10b981);
}

.vision-stat span:last-child {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 2px;
}