/* AVIHPSAM Components - components.css */
/* Reusable UI Components */

/* ============================================
   EVIDENCE TIER BADGES
   ============================================ */

.tier-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  font-family: var(--font-body);
  white-space: nowrap;
}

/* Tier 1 - Strong Evidence (Green) */
.tier-badge.tier-1a,
.tier-badge.tier-1b,
.tier-badge.tier-1c {
  background-color: var(--tier-1-bg);
  color: var(--tier-1);
  border: 1px solid var(--tier-1);
}

.tier-badge.tier-1a::before { content: "1A"; }
.tier-badge.tier-1b::before { content: "1B"; }
.tier-badge.tier-1c::before { content: "1C"; }

/* Tier 2 - Living Tradition (Amber) */
.tier-badge.tier-2 {
  background-color: var(--tier-2-bg);
  color: #996600;
  border: 1px solid var(--tier-2);
}

.tier-badge.tier-2::before { content: "2"; }

/* Tier 3 - Hypothesis (Blue) */
.tier-badge.tier-3 {
  background-color: var(--tier-3-bg);
  color: var(--tier-3);
  border: 1px solid var(--tier-3);
}

.tier-badge.tier-3::before { content: "3"; }

/* Tier 4 - Flagged/Popular Claim (Red) */
.tier-badge.tier-4 {
  background-color: var(--tier-4-bg);
  color: var(--tier-4);
  border: 1px solid var(--tier-4);
}

.tier-badge.tier-4::before { content: "4"; }

/* Tier Badge with Label */
.tier-badge-full {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-base);
}

.tier-badge-full::before {
  display: none;
}

/* Evidence Dots Display */
.tier-dots {
  display: inline-flex;
  gap: 3px;
  margin-left: var(--space-xs);
}

.tier-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.tier-dots span.empty {
  background-color: transparent;
  border: 1px solid currentColor;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
  background-color: var(--color-primary);
  color: white;
}

/* Accent Button */
.btn-accent {
  background-color: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

.btn-accent:hover:not(:disabled) {
  background-color: var(--color-accent-light);
  border-color: var(--color-accent-light);
}

/* Ghost Button */
.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background-color: var(--color-background-alt);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-lg);
}

/* Icon Button */
.btn-icon {
  padding: var(--space-sm);
  border-radius: var(--radius-full);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
}

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

.card-header {
  margin-bottom: var(--space-md);
}

.card-title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xs);
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.card-body {
  color: var(--color-text);
}

.card-footer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

/* ============================================
   MODE SELECTION CARDS
   ============================================ */

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.mode-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.mode-card.active {
  border-color: var(--color-primary);
  background-color: var(--color-background-alt);
}

.mode-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.mode-card-label {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.mode-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

/* ============================================
   DOMAIN CARDS
   ============================================ */

.domain-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.domain-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}

.domain-card-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.domain-card-name-hindi {
  font-family: var(--font-sanskrit);
  font-size: var(--text-base);
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.domain-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text);
  flex-grow: 1;
}

.domain-card-count {
  margin-top: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Flagged domain card - special styling */
.domain-card-flagged {
  border-color: var(--tier-4);
  background: linear-gradient(135deg, rgba(198, 40, 40, 0.05) 0%, var(--color-surface) 100%);
}

.domain-card-flagged:hover {
  border-color: var(--tier-4);
}

.domain-card-flagged .domain-card-name {
  color: var(--tier-4);
}

/* ============================================
   HERO FULL NAME
   ============================================ */

.hero-fullname {
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ============================================
   TOPIC CARDS
   ============================================ */

.topic-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.topic-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}

.topic-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-sm);
}

.topic-card-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

.topic-card-overview {
  font-size: var(--text-base);
  color: var(--color-text);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.topic-card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   TABS
   ============================================ */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--space-lg);
}

.tab {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text-light);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

/* Tab Content */
.tab-content {
  display: none;
}

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

/* ============================================
   TIMELINE
   ============================================ */

.timeline {
  position: relative;
  padding-left: var(--space-xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--color-border);
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-lg);
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-xl) + 4px);
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--color-primary);
  border: 2px solid var(--color-surface);
}

.timeline-date {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.timeline-content {
  font-size: var(--text-base);
  color: var(--color-text);
}

/* ============================================
   SEED-GROWTH-FRUIT DIAGRAM
   ============================================ */

.evolution-diagram {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
  margin: var(--space-lg) 0;
}

.evolution-stage {
  flex: 1;
  max-width: 250px;
  text-align: center;
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.evolution-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.evolution-label {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.evolution-label-sanskrit {
  font-family: var(--font-sanskrit);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.evolution-desc {
  font-size: var(--text-sm);
  color: var(--color-text);
}

.evolution-arrow {
  display: flex;
  align-items: center;
  font-size: var(--text-2xl);
  color: var(--color-text-muted);
}

/* ============================================
   PRAMANA BADGES
   ============================================ */

.pramana-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.pramana-badge-sanskrit {
  font-family: var(--font-sanskrit);
  color: var(--color-primary);
  font-weight: var(--font-medium);
}

.pramana-badge-english {
  color: var(--color-text-light);
}

/* ============================================
   SOURCE CITATIONS
   ============================================ */

.source-card {
  padding: var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.source-type {
  display: inline-block;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  margin-bottom: var(--space-sm);
}

.source-type.textual {
  background-color: #E3F2FD;
  color: #1565C0;
}

.source-type.archaeological {
  background-color: #FFF3E0;
  color: #E65100;
}

.source-type.peer-reviewed {
  background-color: #E8F5E9;
  color: #2E7D32;
}

.source-name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.source-meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-sm);
}

.source-quote {
  font-style: italic;
  color: var(--color-text);
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-secondary);
}

/* ============================================
   INQUIRY PROMPTS
   ============================================ */

.inquiry-prompt {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-accent);
  background-image: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
  color: white;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
}

.inquiry-prompt-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.inquiry-prompt-text {
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
}

/* ============================================
   GAP/DEBATE BOXES
   ============================================ */

.gap-box {
  padding: var(--space-md);
  background-color: #FFF8E1;
  border: 1px solid #FFCC80;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.gap-box-title {
  font-weight: var(--font-semibold);
  color: #E65100;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.debate-box {
  padding: var(--space-md);
  background-color: #E3F2FD;
  border: 1px solid #90CAF9;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.debate-box-title {
  font-weight: var(--font-semibold);
  color: #1565C0;
  margin-bottom: var(--space-sm);
}

.debate-positions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.debate-position {
  padding: var(--space-xs) var(--space-sm);
  background-color: white;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

/* ============================================
   EXTERNAL RESOURCE LINKS
   ============================================ */

.resource-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.resource-link:hover {
  border-color: var(--color-accent);
  background-color: var(--color-background-alt);
  text-decoration: none;
}

.resource-link-icon {
  font-size: 1.25rem;
}

.resource-link-text {
  flex-grow: 1;
}

.resource-link-title {
  font-weight: var(--font-medium);
  color: var(--color-text);
}

.resource-link-source {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.resource-link-external {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ============================================
   TIER 4 WARNING
   ============================================ */

.tier4-warning {
  padding: var(--space-lg);
  background-color: var(--tier-4-bg);
  border: 2px solid var(--tier-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

.tier4-warning-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--font-bold);
  color: var(--tier-4);
  margin-bottom: var(--space-sm);
  font-size: var(--text-lg);
}

.tier4-warning-text {
  color: var(--color-text);
}

/* ============================================
   FORMS & INPUTS
   ============================================ */

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

.form-label {
  display: block;
  font-weight: var(--font-medium);
  margin-bottom: var(--space-xs);
  color: var(--color-text);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(46, 90, 76, 0.1);
}

.form-input::placeholder {
  color: var(--color-text-muted);
}

/* Search Input */
.search-input-wrapper {
  position: relative;
}

.search-input {
  padding-left: 2.5rem;
}

.search-input-icon {
  position: absolute;
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

/* ============================================
   LOADING STATES
   ============================================ */

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-border-light) 25%,
    var(--color-background-alt) 50%,
    var(--color-border-light) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

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

/* ============================================
   TOOLTIPS
   ============================================ */

[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-text);
  color: white;
  font-size: var(--text-sm);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 10;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
}

/* ============================================
   RELATED TOPICS
   ============================================ */

.related-topics {
  padding: var(--space-lg);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
  margin-top: var(--space-xl);
}

.related-topics h3 {
  margin-bottom: var(--space-md);
}

.related-topics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-md);
}

.related-topic-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.related-topic-link:hover {
  border-color: var(--color-primary);
  text-decoration: none;
}

.related-topic-link span {
  color: var(--color-text);
}

/* ============================================
   MODERN PARALLEL SECTION
   ============================================ */

.modern-parallel {
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-lg) 0;
}

.modern-parallel-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.modern-parallel-caveat {
  padding: var(--space-sm);
  background-color: #FFF8E1;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: #5D4037;
  margin-top: var(--space-md);
}

.modern-parallel-caveat strong {
  color: #E65100;
}

/* ============================================
   BREADCRUMBS
   ============================================ */

.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.breadcrumbs a {
  color: var(--color-text-light);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-primary);
}

.breadcrumbs-separator {
  color: var(--color-border);
}

.breadcrumbs-current {
  color: var(--color-text);
  font-weight: var(--font-medium);
}

/* ============================================
   SEARCH COMPONENTS
   ============================================ */

/* Search Section */
.search-section {
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

/* Main Search Form */
.search-form-main {
  margin-bottom: var(--space-lg);
}

.search-input-wrapper {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.search-input {
  flex: 1;
  padding: var(--space-md) var(--space-lg);
  font-size: var(--text-lg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-surface);
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(46, 90, 76, 0.1);
}

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

.search-submit-btn {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-xl);
  background-color: var(--color-accent);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

.search-icon {
  font-size: 1.1em;
}

.search-hint {
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.search-hint kbd {
  display: inline-block;
  padding: 2px 6px;
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono, monospace);
  font-size: var(--text-xs);
}

/* Search Filters */
.search-filters {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.search-filter-group {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.search-filter-group label {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.search-filter {
  padding: var(--space-xs) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-surface);
  font-size: var(--text-sm);
  cursor: pointer;
}

.search-filter:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Results Header */
.search-results-header {
  margin-bottom: var(--space-lg);
}

.results-count {
  font-size: var(--text-lg);
  color: var(--color-text-light);
}

.results-count strong {
  color: var(--color-text);
}

/* Search Results */
.search-results {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Result Card */
.search-result-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-fast);
}

.search-result-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.search-result-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

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

.search-result-title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin: 0;
}

.search-result-meta {
  display: flex;
  gap: var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.search-result-domain {
  font-weight: var(--font-medium);
  color: var(--color-accent);
}

.search-result-period {
  color: var(--color-text-muted);
}

.search-result-overview {
  color: var(--color-text-light);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* Match Highlights */
.search-result-matches {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

.search-match {
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}

.search-match-field {
  color: var(--color-text-muted);
  font-weight: var(--font-medium);
}

.search-match-text {
  color: var(--color-text-light);
}

.search-highlight,
mark.search-highlight {
  background-color: rgba(255, 235, 59, 0.4);
  color: inherit;
  padding: 0 2px;
  border-radius: 2px;
}

/* Live Search Results (Dropdown) */
#search-results-live {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 400px;
  overflow-y: auto;
  z-index: 100;
  display: none;
}

#search-results-live.visible {
  display: block;
}

.search-result-item {
  display: block;
  padding: var(--space-md);
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--color-border-light);
  transition: background-color var(--transition-fast);
}

.search-result-item:last-child {
  border-bottom: none;
}

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

.search-result-snippet {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin: var(--space-xs) 0 0;
}

/* No Results State */
.search-no-results,
.search-empty {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--color-text-light);
}

.search-empty-icon {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.search-empty h3 {
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.search-suggestions {
  margin-top: var(--space-lg);
  text-align: left;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.search-suggestions ul {
  padding-left: var(--space-lg);
  color: var(--color-text-muted);
}

.suggestion-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  justify-content: center;
  margin-top: var(--space-sm);
}

.suggestion-chip {
  padding: var(--space-xs) var(--space-md);
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.suggestion-chip:hover {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: white;
}

/* Loading State */
.search-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  color: var(--color-text-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Browse Section */
.search-browse {
  text-align: center;
  padding: var(--space-xl);
  margin-top: var(--space-xl);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
}

.search-browse h3 {
  margin-bottom: var(--space-lg);
  color: var(--color-text-light);
}

.domain-chips {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.domain-chip {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  color: var(--color-text);
  font-weight: var(--font-medium);
  transition: all var(--transition-fast);
}

.domain-chip:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.domain-chip-icon {
  font-size: 1.2em;
}

/* ============================================
   EXTERNAL LINKS
   ============================================ */

.external-links {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background-color: var(--color-background-alt);
  border-radius: var(--radius-lg);
}

.external-links h4 {
  margin-bottom: var(--space-xs);
}

.external-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.external-link-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
  text-align: center;
  transition: all var(--transition-fast);
}

.external-link-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.external-link-icon {
  font-size: 1.5rem;
}

.external-link-name {
  font-weight: var(--font-semibold);
  color: var(--color-primary);
}

.external-link-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.external-disclaimer {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border-light);
}

/* ============================================
   HEADER SEARCH
   ============================================ */

.header-search {
  position: relative;
}

.header-search-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.header-search-btn:hover {
  border-color: var(--color-accent);
  background-color: var(--color-background-alt);
}

/* Search Panel (Header dropdown) */
.search-panel {
  position: absolute;
  top: 100%;
  right: 0;
  width: 400px;
  max-width: 90vw;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
  z-index: 200;
}

.search-panel.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.search-panel-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
}

.search-panel-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

/* Mobile Search */
@media (max-width: 768px) {
  .search-input-wrapper {
    flex-direction: column;
  }

  .search-submit-btn {
    width: 100%;
    justify-content: center;
  }

  .search-filters {
    flex-direction: column;
    align-items: stretch;
  }

  .search-filter-group {
    justify-content: space-between;
  }

  .search-filter {
    flex: 1;
  }

  .search-panel {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(100%);
  }

  .search-panel.visible {
    transform: translateY(0);
  }
}

/* ============================================
   USER MODE SYSTEM
   ============================================ */

/* Mode Cards on Homepage */
.mode-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.mode-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-xl) var(--space-lg);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.mode-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.mode-card.active {
  border-color: var(--color-accent);
  background-color: rgba(46, 90, 76, 0.05);
  box-shadow: 0 0 0 4px rgba(46, 90, 76, 0.1);
}

.mode-card-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-md);
}

.mode-card-label {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.mode-card-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* Mode Indicator in Header */
.mode-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-background-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mode-indicator:hover {
  border-color: var(--color-accent);
  background-color: var(--color-surface);
}

.mode-indicator-icon {
  font-size: 1rem;
}

.mode-indicator-label {
  color: var(--color-text);
  font-weight: var(--font-medium);
}

/* Mode Toast Notification */
.mode-toast {
  position: fixed;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  z-index: 1100;
  opacity: 0;
  transition: all var(--transition-normal);
}

.mode-toast.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.mode-toast-icon {
  font-size: 1.5rem;
}

.mode-toast-text {
  display: flex;
  flex-direction: column;
}

.mode-toast-text strong {
  color: var(--color-text);
}

.mode-toast-text span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* Mode Selector Modal */
.mode-selector-modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.mode-selector-modal.visible {
  opacity: 1;
  visibility: visible;
}

.mode-selector-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
}

.mode-selector-content {
  position: relative;
  width: 90%;
  max-width: 600px;
  padding: var(--space-xl);
  background-color: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  text-align: center;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.mode-selector-modal.visible .mode-selector-content {
  transform: scale(1);
}

.mode-selector-content h3 {
  margin-bottom: var(--space-xs);
}

.mode-selector-content .text-muted {
  margin-bottom: var(--space-xl);
}

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

.mode-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-lg);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.mode-option:hover {
  border-color: var(--color-accent);
  background-color: var(--color-surface);
}

.mode-option.active {
  border-color: var(--color-accent);
  background-color: rgba(46, 90, 76, 0.05);
}

.mode-option-icon {
  font-size: 2rem;
  margin-bottom: var(--space-sm);
}

.mode-option-name {
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-xs);
}

.mode-option-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.mode-selector-close {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  font-size: var(--text-xl);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.mode-selector-close:hover {
  color: var(--color-text);
}

/* Citation Styles Based on Mode */
.source-citation.citation-minimal .citation-full-details,
.source-citation.citation-minimal .citation-notes {
  display: none;
}

.source-citation.citation-simplified .citation-full-details {
  display: none;
}

.source-citation.citation-academic .citation-full-details {
  display: block;
}

.source-citation.citation-full .citation-full-details,
.source-citation.citation-full .citation-notes {
  display: block;
}

/* Mode-specific Body Classes */
.mode-student .advanced-content,
.mode-curious .advanced-content {
  display: none;
}

.mode-student .quiz-section,
.mode-teacher .quiz-section {
  display: block;
}

.mode-researcher .quiz-section,
.mode-curious .quiz-section {
  display: none;
}

.mode-researcher .methodology-section,
.mode-researcher .debates-section {
  display: block;
}

/* Responsive Mode Cards */
@media (max-width: 992px) {
  .mode-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .mode-cards {
    grid-template-columns: 1fr;
  }

  .mode-card {
    flex-direction: row;
    text-align: left;
    padding: var(--space-md);
  }

  .mode-card-icon {
    font-size: 2rem;
    margin-bottom: 0;
    margin-right: var(--space-md);
  }

  .mode-selector-options {
    grid-template-columns: 1fr;
  }

  .mode-toast {
    left: var(--space-md);
    right: var(--space-md);
    transform: translateX(0) translateY(100px);
  }

  .mode-toast.visible {
    transform: translateX(0) translateY(0);
  }
}

/* ============================================
   QUIZ BOX (Student Mode)
   ============================================ */

.quiz-box {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, var(--color-background) 100%);
  border: 1px solid var(--color-tier-3, #2563eb);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-top: var(--space-xl);
}

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

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

.quiz-header h4 {
  margin: 0;
  color: var(--color-tier-3, #2563eb);
}

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

.quiz-question {
  padding: var(--space-md);
  background: var(--color-surface);
  border-radius: var(--radius-md);
}

.quiz-question p {
  margin: 0;
}

.quiz-answer {
  margin-top: var(--space-sm);
}

.quiz-answer summary {
  cursor: pointer;
  color: var(--color-accent);
  font-weight: var(--font-medium);
}

.quiz-answer summary:hover {
  text-decoration: underline;
}

.quiz-answer p {
  margin-top: var(--space-sm);
  padding: var(--space-sm);
  background: var(--color-background-alt);
  border-radius: var(--radius-sm);
}

/* ============================================
   CITATION LIST (Researcher Mode)
   ============================================ */

.citation-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.citation-item {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-background-alt);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  line-height: 1.6;
}

.citation-item em {
  font-style: italic;
}

/* ============================================
   TEACHING NOTES (Teacher Mode)
   ============================================ */

[data-mode-show="teacher"] {
  border-left: 4px solid var(--color-accent);
}

[data-mode-show="researcher"] {
  border-left: 4px solid var(--color-tier-3, #2563eb);
}

/* ============================================
   DATA-DEPTH CONTENT VISIBILITY
   ============================================ */

/* By default, show all content */
[data-depth] {
  display: block;
}

/* Hide higher-depth content when not applicable */
.mode-curious [data-depth="introductory"],
.mode-curious [data-depth="comprehensive"],
.mode-curious [data-depth="scholarly"] {
  display: none;
}

.mode-student [data-depth="comprehensive"],
.mode-student [data-depth="scholarly"] {
  display: none;
}

.mode-teacher [data-depth="scholarly"] {
  display: none;
}

/* ============================================
   FOUR HOUSES - About Page Cards
   ============================================ */

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

.house-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
}

.house-item:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.house-header {
  margin-bottom: var(--space-md);
  text-align: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
}

.house-header .sanskrit-large {
  font-size: var(--text-2xl);
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.house-header h4 {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  margin: 0;
}

.house-item p {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
  margin: 0;
}

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

  .house-item {
    padding: var(--space-lg);
  }
}