body {
  font-family: "Inter", sans-serif;
  background-color: #f3f4f6;
}

.fade-in {
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

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

.loader {
  width: 40px;
  height: 40px;
  border: 4px solid #f3f3f3;
  border-top: 4px solid #3b82f6;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}

.modal-backdrop {
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.trace-node-line {
  background: linear-gradient(180deg, #dbeafe 0%, #bfdbfe 100%);
  animation: flowPulse 1.2s ease-in-out infinite;
}

@keyframes flowPulse {
  0% {
    opacity: 0.35;
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0.35;
  }
}

.doc-skeleton {
  position: relative;
  overflow: hidden;
  background: #f1f5f9;
}

.doc-skeleton::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9), transparent);
  animation: shimmer 1.4s infinite;
}

@keyframes shimmer {
  100% {
    transform: translateX(100%);
  }
}

.provider-ring svg {
  width: 68px;
  height: 68px;
}

.provider-ring-label {
  margin-top: 2px;
  color: #64748b;
  font-size: 10px;
  text-align: center;
}

.provider-card-selected {
  border-color: #2563eb !important;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-thumb {
  background: rgba(15, 23, 42, 0.15);
  border-radius: 999px;
}

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

.tabBtn {
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s;
}

.tabBtn.active {
  background: #fff;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.tabBtn:not(.active) {
  color: #64748b;
}

.tabBtn:not(.active):hover {
  color: #0f172a;
}

.docTab {
  padding: 7px 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.15s;
}

.docTab.active {
  background: #fff;
  color: #0f172a;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.docTab:not(.active) {
  color: #64748b;
}

.docTab:not(.active):hover {
  color: #0f172a;
}

.timeline-item {
  cursor: pointer;
  transition: all 0.15s ease;
}

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

.timeline-item.selected {
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.gen-scroll-panel {
  height: 16rem;
  max-height: 16rem;
  overflow-x: hidden;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-wrap: anywhere;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
}

@media (max-width: 768px) {
  .gen-scroll-panel {
    height: 13rem;
    max-height: 13rem;
  }
}