.dbvai-agent {
  --dbvai-accent: #1769aa;
  max-width: 760px;
  margin: 24px auto;
  border: 1px solid #dfe4ea;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 16px 45px rgba(18, 38, 63, .10);
  overflow: hidden;
  font: inherit;
  color: #17202a;
}
.dbvai-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  background: linear-gradient(135deg, var(--dbvai-accent), color-mix(in srgb, var(--dbvai-accent) 68%, #111));
  color: #fff;
}
.dbvai-header strong,
.dbvai-header span { display: block; }
.dbvai-header strong { font-size: 1.1rem; }
.dbvai-header span { opacity: .85; font-size: .9rem; }
.dbvai-reset {
  border: 1px solid rgba(255,255,255,.55);
  border-radius: 999px;
  padding: 7px 12px;
  background: transparent;
  color: #fff;
  cursor: pointer;
}
.dbvai-messages {
  min-height: 300px;
  max-height: 560px;
  overflow-y: auto;
  padding: 22px;
  background: #f7f9fb;
}
.dbvai-message {
  width: fit-content;
  max-width: 85%;
  margin: 0 0 14px;
  padding: 12px 15px;
  border-radius: 15px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.5;
}
.dbvai-assistant {
  background: #fff;
  border: 1px solid #e1e6eb;
  border-bottom-left-radius: 4px;
}
.dbvai-user {
  margin-left: auto;
  background: var(--dbvai-accent);
  color: #fff;
  border-bottom-right-radius: 4px;
}
.dbvai-chat-form { padding: 16px 18px 8px; }
.dbvai-input-row { display: flex; gap: 10px; align-items: flex-end; }
.dbvai-input {
  flex: 1;
  min-height: 52px;
  max-height: 160px;
  resize: vertical;
  border: 1px solid #cbd3dc;
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
}
.dbvai-input:focus { outline: 3px solid color-mix(in srgb, var(--dbvai-accent) 20%, transparent); border-color: var(--dbvai-accent); }
.dbvai-send,
.dbvai-handoff-send {
  border: 0;
  border-radius: 12px;
  padding: 13px 18px;
  background: var(--dbvai-accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
}
.dbvai-send:disabled,
.dbvai-handoff-send:disabled { opacity: .55; cursor: wait; }
.dbvai-status { min-height: 24px; padding: 0 20px 8px; font-size: .92rem; color: #9a3412; }
.dbvai-handoff { margin: 4px 18px 14px; border-top: 1px solid #e5e7eb; padding-top: 12px; }
.dbvai-handoff summary { cursor: pointer; font-weight: 700; color: var(--dbvai-accent); }
.dbvai-handoff-form { display: grid; gap: 12px; padding: 14px 0 4px; }
.dbvai-field label { display: block; font-weight: 600; margin-bottom: 4px; }
.dbvai-field label span { font-weight: 400; opacity: .7; }
.dbvai-field input { width: 100%; box-sizing: border-box; border: 1px solid #cbd3dc; border-radius: 9px; padding: 10px 12px; }
.dbvai-consent { display: flex; gap: 8px; align-items: flex-start; font-size: .9rem; }
.dbvai-footer { padding: 13px 18px 16px; background: #f7f9fb; color: #5b6573; font-size: .82rem; line-height: 1.45; }
.dbvai-footer a { color: var(--dbvai-accent); }
.dbvai-agent.is-busy .dbvai-messages { cursor: progress; }
@media (max-width: 600px) {
  .dbvai-agent { border-radius: 12px; }
  .dbvai-messages { min-height: 260px; padding: 15px; }
  .dbvai-message { max-width: 92%; }
  .dbvai-input-row { align-items: stretch; flex-direction: column; }
  .dbvai-send { width: 100%; }
}