/**
 * TubeRaker Stylometric Module Styles
 * Styles for the stylometric headhunter feature
 */

/* ===== Page Header ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-xl);
  gap: var(--spacing-lg);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.page-subtitle {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
}

.page-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
  transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
  color: var(--color-brand-primary);
}

/* ===== Section ===== */
.section {
  margin-bottom: var(--spacing-2xl);
}

.section-title {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-lg) 0;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* ===== Forms ===== */
.stylometric-form {
  max-width: 37.5rem;
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

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

.form-input {
  width: 100%;
  padding: var(--input-padding-y) var(--input-padding-x);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--shadow-focus);
}

.form-help {
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-tertiary);
}

/* ===== Statistics Grid ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.625rem, 1fr));
  gap: var(--spacing-lg);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-lg);
  flex-shrink: 0;
}

.stat-icon-primary {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--color-brand-primary);
}

.stat-icon-success {
  background-color: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.stat-icon-warning {
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.stat-content {
  flex: 1;
}

.stat-value {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}

/* ===== Category Filter ===== */
.category-filter {
  display: flex;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-secondary);
  color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: white;
}

/* ===== Fingerprints Grid ===== */
.fingerprints-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18.75rem, 1fr));
  gap: var(--spacing-lg);
}

.fingerprint-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.fingerprint-thumbnail {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-secondary);
}

.fingerprint-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.fingerprint-card:hover .fingerprint-thumbnail img {
  transform: scale(1.05);
}

.fingerprint-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.fingerprint-channel {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

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

/* ===== Empty State ===== */
.empty-state,
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  grid-column: 1 / -1;
}

.empty-state svg,
.loading-state svg {
  color: var(--text-tertiary);
  margin-bottom: var(--spacing-md);
  opacity: 0.5;
}

.empty-state h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.empty-state p {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  margin: 0;
}

/* ===== Radar Chart ===== */
.radar-chart-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
}

.radar-chart {
  width: 15.625rem;
  height: 15.625rem;
}

.radar-chart-sm {
  width: 9.375rem;
  height: 9.375rem;
}

.radar-chart-lg {
  width: 21.875rem;
  height: 21.875rem;
}

.radar-ring {
  fill: none;
  stroke: var(--border-secondary);
  stroke-width: 1;
}

.radar-axis {
  stroke: var(--border-primary);
  stroke-width: 1;
  stroke-dasharray: 4 4;
}

.radar-data {
  fill: rgba(59, 130, 246, 0.3);
  stroke: var(--color-brand-primary);
  stroke-width: 2;
  transition: all 0.5s ease;
}

.radar-data--compare {
  fill: rgba(139, 92, 246, 0.3);
  stroke: var(--color-brand-secondary);
}

.radar-label {
  font-size: var(--font-size-xs);
  fill: var(--text-secondary);
  text-anchor: middle;
}

.radar-legend {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.legend-color {
  width: 1rem;
  height: 1rem;
  border-radius: var(--radius-sm);
}

.legend-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

/* ===== Fingerprint Layout ===== */
.fingerprint-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.video-embed-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  background-color: var(--bg-secondary);
  overflow: hidden;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.video-embed-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.category-badge-container {
  margin-top: var(--spacing-md);
}

/* ===== Metrics Grid ===== */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.625rem, 1fr));
  gap: var(--spacing-lg);
}

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

.metric-icon {
  color: var(--color-brand-primary);
  margin-bottom: var(--spacing-xs);
}

.metric-content {
  flex: 1;
}

.metric-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xs);
}

.metric-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-xs);
}

.metric-description {
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
}

/* ===== Progress Bar ===== */
.progress {
  width: 100%;
  height: 0.5rem;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: var(--spacing-sm);
}

.progress-bar {
  height: 100%;
  background-color: var(--color-brand-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

/* ===== Insights ===== */
.insights-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.insight-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-lg);
}

.insight-item svg {
  flex-shrink: 0;
  color: var(--color-brand-primary);
  margin-top: 0.125rem;
}

/* ===== Target Fingerprint ===== */
.target-fingerprint {
  background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
}

.target-layout {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--spacing-lg);
  align-items: center;
}

.target-thumbnail {
  width: 10rem;
  height: 5.625rem;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.target-info h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
}

.target-badges {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
}

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-radius: var(--radius-xl);
}

.filter-group {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.filter-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  white-space: nowrap;
}

.similarity-range {
  flex: 1;
  max-width: 18.75rem;
}

.similarity-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-brand-primary);
  min-width: 3rem;
  text-align: right;
}

/* ===== Matches Grid ===== */
.matches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(18.75rem, 1fr));
  gap: var(--spacing-lg);
}

.match-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.match-thumbnail {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background-color: var(--bg-secondary);
}

.match-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.match-card:hover .match-thumbnail img {
  transform: scale(1.05);
}

.match-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs) 0;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.match-channel {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.match-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* ===== Card Footer ===== */
.card-footer {
  display: flex;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border-primary);
  background-color: var(--bg-secondary);
}

/* ===== Similarity Badge ===== */
.similarity-badge {
  position: absolute;
  top: var(--spacing-sm);
  right: var(--spacing-sm);
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  backdrop-filter: blur(0.5rem);
}

.similarity-badge--exact {
  background: var(--color-success);
  color: white;
}

.similarity-badge--strong {
  background: rgba(34, 197, 94, 0.2);
  color: var(--color-success);
  border: 1px solid var(--color-success);
}

.similarity-badge--moderate {
  background: rgba(59, 130, 246, 0.2);
  color: var(--color-info);
  border: 1px solid var(--color-info);
}

.similarity-badge--weak {
  background: rgba(245, 158, 11, 0.2);
  color: var(--color-warning);
  border: 1px solid var(--color-warning);
}

/* ===== Similarity Banner ===== */
.similarity-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  padding: var(--spacing-xl);
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-secondary) 100%);
  color: white;
}

.similarity-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 4rem;
  height: 4rem;
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.similarity-content {
  flex: 1;
}

.similarity-label {
  font-size: var(--font-size-sm);
  opacity: 0.9;
  margin-bottom: var(--spacing-xs);
}

.similarity-score {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  margin-bottom: var(--spacing-xs);
}

.similarity-description {
  font-size: var(--font-size-base);
  opacity: 0.9;
}

.similarity-visual {
  flex-shrink: 0;
}

/* ===== Compare Grid ===== */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

.compare-card {
  display: flex;
  flex-direction: column;
}

.compare-header {
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
}

.compare-header h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.compare-badges {
  margin-top: var(--spacing-sm);
}

/* ===== Radar Comparison ===== */
.radar-comparison-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-2xl);
}

/* ===== Breakdown Grid ===== */
.breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.625rem, 1fr));
  gap: var(--spacing-lg);
}

.breakdown-card {
  padding: var(--spacing-lg);
}

.breakdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

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

.breakdown-score {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-brand-primary);
}

.breakdown-comparison {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.breakdown-bar {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.breakdown-value {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  min-width: 3rem;
}

.breakdown-value-a {
  color: var(--color-brand-primary);
}

.breakdown-value-b {
  color: var(--color-brand-secondary);
}

.breakdown-progress {
  flex: 1;
  height: 0.5rem;
  background-color: var(--bg-secondary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.progress-fill-a {
  background-color: var(--color-brand-primary);
}

.progress-fill-b {
  background-color: var(--color-brand-secondary);
}

/* ===== Comparison Table ===== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table thead {
  background-color: var(--bg-secondary);
}

.comparison-table th,
.comparison-table td {
  padding: var(--spacing-md) var(--spacing-lg);
  text-align: left;
  border-bottom: 1px solid var(--border-primary);
}

.comparison-table th {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.comparison-table td {
  font-size: var(--font-size-base);
  color: var(--text-primary);
}

.comparison-table tbody tr:hover {
  background-color: var(--bg-hover);
}

/* ===== Dropdown ===== */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-xs);
  min-width: 12.5rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-xs);
  z-index: 1000;
  display: none;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
  font-size: var(--font-size-sm);
}

.dropdown-item:hover {
  background-color: var(--bg-hover);
}

.dropdown-item.active {
  background-color: var(--bg-secondary);
  color: var(--color-brand-primary);
  font-weight: var(--font-weight-medium);
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
  .fingerprint-layout,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .target-layout {
    grid-template-columns: 1fr;
  }

  .target-radar {
    display: flex;
    justify-content: center;
  }

  .radar-chart-lg {
    width: 17.5rem;
    height: 17.5rem;
  }
}

@media (max-width: 768px) {
  .page-header {
    flex-direction: column;
  }

  .stats-grid,
  .metrics-grid,
  .breakdown-grid {
    grid-template-columns: 1fr;
  }

  .fingerprints-grid,
  .matches-grid {
    grid-template-columns: 1fr;
  }

  .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .similarity-banner {
    flex-direction: column;
    text-align: center;
  }

  .filter-bar {
    padding: var(--spacing-md);
  }

  .filter-group {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }

  .similarity-range {
    max-width: 100%;
  }

  .radar-chart {
    width: 12.5rem;
    height: 12.5rem;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: var(--font-size-2xl);
  }

  .section-title {
    font-size: var(--font-size-xl);
  }

  .category-filter {
    width: 100%;
  }

  .filter-btn {
    flex: 1;
    min-width: 5rem;
    justify-content: center;
  }

  .comparison-table {
    font-size: var(--font-size-sm);
  }

  .comparison-table th,
  .comparison-table td {
    padding: var(--spacing-sm);
  }
}