/* Scoped styles for patent-search-tool (prefix: pst-) */

.pst-container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem 1rem;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1e293b;
}

.pst-header {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.75rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.pst-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.85rem;
  font-weight: 700;
  color: #0f172a;
}

.pst-subtitle {
  margin: 0;
  font-size: 1rem;
  color: #64748b;
  line-height: 1.5;
}

.pst-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 1.5rem;
}

.pst-tab-btn {
  background: none;
  border: none;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all 0.15s ease;
}

.pst-tab-btn.pst-active {
  color: #2563eb;
  border-bottom-color: #2563eb;
}

.pst-search-panel {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pst-input-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.pst-input {
  flex: 1 1 260px;
  padding: 0.75rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 1rem;
  background: #f8fafc;
  color: #0f172a;
}

.pst-select {
  padding: 0.75rem 1rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 0.95rem;
  background: #f8fafc;
  color: #0f172a;
  cursor: pointer;
}

.pst-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
}

.pst-btn-primary {
  background: #2563eb;
  color: #ffffff;
}

.pst-btn-primary:hover {
  background: #1d4ed8;
}

.pst-btn-secondary {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
}

.pst-btn-secondary:hover {
  background: #e2e8f0;
}

.pst-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.pst-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.pst-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.pst-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.5rem;
}

.pst-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.pst-badge-tech {
  background: #dbeafe;
  color: #1e40af;
}

.pst-badge-bio {
  background: #dcfce7;
  color: #15803d;
}

.pst-badge-comm {
  background: #fef3c7;
  color: #b45309;
}

.pst-card-title {
  margin: 0.5rem 0 0.25rem 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: #0f172a;
}

.pst-card-meta {
  font-size: 0.85rem;
  color: #64748b;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-bottom: 0.5rem;
}

.pst-card-abstract {
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.4;
  margin: 0;
}

.pst-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.75rem;
  border-top: 1px solid #f1f5f9;
}

.pst-link {
  color: #2563eb;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.pst-link:hover {
  text-decoration: underline;
}

.pst-builder-panel {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.pst-form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
}

.pst-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.pst-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: #475569;
}

.pst-output-box {
  background: #0f172a;
  color: #f8fafc;
  padding: 1rem;
  border-radius: 8px;
  font-family: monospace;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  word-break: break-all;
}

.pst-output-code {
  color: #38bdf8;
  font-weight: 500;
}

.pst-ad-slot {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f8fafc;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  margin: 1.5rem 0;
}

.pst-hidden {
  display: none !important;
}

.pst-copied {
  color: #10b981 !important;
}

@media (max-width: 768px) {
  .pst-grid {
    grid-template-columns: 1fr;
  }
  .pst-input-row {
    flex-direction: column;
  }
}