.companion {
  border: 1px solid #274a58;
  background: linear-gradient(125deg, #0b202a, #0c141c);
  padding: 18px 20px;
  margin-bottom: 16px;
  border-radius: 12px;
  color: #d9e9ee;
}
.companion[hidden] {
  display: none;
}
.companion-heading { font: 600 18px system-ui; margin: 0 0 16px; }
.companion-more { margin-top: 14px; border-top: 1px solid #274a58; padding-top: 12px; }
.companion-more summary { cursor: pointer; font: 14px system-ui; color: #b8cdd5; }
.companion-more summary:focus-visible { outline: 2px solid #73c8c2; outline-offset: 4px; }
.companion label {
  display: flex;
  align-items: center;
  gap: 12px;
  font: 14px system-ui;
}
.companion select {
  max-width: 320px;
  min-width: 190px;
  padding: 9px;
  border: 1px solid #345564;
  border-radius: 6px;
  background: #101f28;
  color: #e4f4f8;
}
.companion-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.companion button,
.companion-dialog button {
  font: 500 13px system-ui;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  background: #18313b;
  color: #d9eef4;
  border: 1px solid #365766;
  border-radius: 6px;
  padding: 10px 13px;
}
.companion button:hover,
.companion-dialog button:hover {
  background: #224955;
  border-color: #73c8c2;
}
.companion button:disabled,
.companion-dialog button:disabled {
  opacity: 0.5;
  cursor: wait;
}
.companion button:focus-visible,
.companion-dialog :focus-visible {
  outline: 2px solid #73c8c2;
  outline-offset: 3px;
}
.companion-status {
  font: 13px/1.5 system-ui;
  margin: 10px 0 0;
  color: #a0b9c4;
}
.companion-status:empty {
  display: none;
}
.companion-dialog {
  width: min(670px, 90vw);
  max-height: 86vh;
  border: 1px solid #3b5865;
  border-radius: 16px;
  padding: 28px;
  background: #101e27;
  color: #e0edf1;
  font: 15px/1.6 system-ui;
  box-shadow: 0 24px 90px #0009;
}
.companion-dialog::backdrop {
  background: #030c13ce;
  backdrop-filter: blur(6px);
}
.companion-dialog h2 {
  font: 600 26px/1.2 system-ui;
  margin: 0 0 16px;
  letter-spacing: -0.5px;
}
.companion-dialog h3 {
  font: 600 17px system-ui;
  margin-top: 24px;
}
.companion-dialog p {
  color: #afc3cd;
}
.companion-dialog label {
  display: block;
  margin: 16px 0;
  font: 500 14px system-ui;
  color: #d6e6ec;
}
.companion-dialog input,
.companion-dialog textarea,
.companion-dialog select {
  display: block;
  box-sizing: border-box;
  width: 100%;
  margin-top: 7px;
  padding: 11px;
  border: 1px solid #3c5360;
  border-radius: 7px;
  background: #091720;
  color: #edf8fc;
  font: 15px/1.5 system-ui;
}
.companion-dialog textarea {
  min-height: 100px;
  resize: vertical;
}
.companion-dialog button {
  margin: 5px 8px 5px 0;
}
.companion-dialog article {
  padding: 16px 0;
  border-bottom: 1px solid #2a434e;
  overflow-wrap: anywhere;
}
.companion-dialog a {
  color: #9be0dc;
}
.companion-dialog small {
  display: block;
  color: #9fb3bd;
}
.companion-dialog img {
  display: block;
  max-width: 100%;
  max-height: 300px;
  margin: 18px auto;
  border-radius: 6px;
}
.companion-dialog img[hidden] {
  display: none;
}
.conversation-transcript {
  max-height: 260px;
  overflow: auto;
  border-left: 2px solid #3f7b84;
  padding-left: 14px;
}
.conversation-transcript:empty {
  display: none;
}
@media (max-width: 600px) {
  .companion {
    padding: 14px;
  }
  .companion-actions button {
    flex: 1 1 42%;
  }
  .companion-dialog {
    padding: 20px;
  }
  .companion select {
    min-width: 0;
    flex: 1;
  }
}
.companion {
  box-sizing: border-box;
  width: 100%;
  z-index: 4;
}