/* Usecase preview chat panel */
.usecase-preview {
  background: #0B141A;
  border-radius: 20px;
  padding: 16px;
  min-height: 380px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(44,102,245,0.06), transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(37,211,102,0.04), transparent 40%);
}
.usecase-preview__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 4px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 16px;
}
.usecase-preview__avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0F1E3A, #2C66F5);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.usecase-preview__name {
  color: white;
  font-size: 14px;
  font-weight: 600;
}
.usecase-preview__status {
  color: var(--wa-green);
  font-size: 11px;
}
.usecase-preview__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.usecase-preview__bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.45;
  animation: bubbleIn 400ms var(--ease-out) both;
}
.usecase-preview__bubble--in {
  background: #1F2C33;
  color: white;
  align-self: flex-start;
  border-top-left-radius: 4px;
}
.usecase-preview__bubble--out {
  background: #005C4B;
  color: white;
  align-self: flex-end;
  border-top-right-radius: 4px;
}
.usecase-preview__cta {
  display: block;
  width: 100%;
  margin-top: 10px;
  padding: 8px 12px;
  background: rgba(255,255,255,0.1);
  color: #53BDEB;
  border-radius: 8px;
  font-weight: 500;
  font-size: 13px;
  border: none;
  text-align: center;
  cursor: pointer;
}
.usecase-preview__cta:hover { background: rgba(83,189,235,0.2); }