:root {
  --hia-navy: #0d1147;
  --hia-teal: #17cadb;
  --hia-ink: #161a2f;
  --hia-muted: #666b7f;
  --hia-border: #dfe3ec;
  --hia-surface: #ffffff;
  --hia-soft: #f5f7fb;
}

.hia-agent-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 99998;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 0 20px;
  border: 0;
  border-radius: 999px;
  background: var(--hia-navy);
  color: #fff;
  font: 700 15px/1.2 Montserrat, Arial, sans-serif;
  box-shadow: 0 14px 35px rgba(13, 17, 71, .28);
  cursor: pointer;
  transition: transform .18s ease, box-shadow .18s ease;
}
.hia-agent-launcher:hover { transform: translateY(-2px); box-shadow: 0 18px 42px rgba(13, 17, 71, .34); }
.hia-agent-launcher:focus-visible { outline: 3px solid var(--hia-teal); outline-offset: 3px; }
.hia-agent-launcher-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--hia-teal); box-shadow: 0 0 0 5px rgba(23,202,219,.16); }

.hia-agent-panel {
  position: fixed;
  right: 24px;
  bottom: 88px;
  z-index: 99999;
  width: min(410px, calc(100vw - 32px));
  height: min(650px, calc(100vh - 120px));
  display: grid;
  grid-template-rows: auto 1fr auto auto auto;
  overflow: hidden;
  border: 1px solid rgba(13,17,71,.13);
  border-radius: 22px;
  background: var(--hia-surface);
  box-shadow: 0 26px 80px rgba(13,17,71,.24);
  color: var(--hia-ink);
  font-family: Roboto, Arial, sans-serif;
}
.hia-agent-panel[hidden] { display: none; }
.hia-agent-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 18px 17px; background: linear-gradient(135deg, var(--hia-navy), #1a236f); color: #fff; }
.hia-agent-title { font: 700 18px/1.2 Montserrat, Arial, sans-serif; }
.hia-agent-subtitle { margin-top: 4px; font-size: 12px; opacity: .78; }
.hia-agent-icon-button { width: 36px; height: 36px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; font-size: 25px; line-height: 1; cursor: pointer; }
.hia-agent-icon-button:focus-visible { outline: 3px solid var(--hia-teal); outline-offset: 2px; }
.hia-agent-messages { overflow-y: auto; padding: 18px; background: var(--hia-soft); }
.hia-agent-message { display: flex; margin: 0 0 12px; }
.hia-agent-message-user { justify-content: flex-end; }
.hia-agent-bubble { max-width: 86%; padding: 11px 13px; border-radius: 15px 15px 15px 4px; background: #fff; border: 1px solid var(--hia-border); box-shadow: 0 3px 9px rgba(13,17,71,.05); white-space: pre-wrap; font-size: 14px; line-height: 1.48; }
.hia-agent-message-user .hia-agent-bubble { border-color: var(--hia-navy); border-radius: 15px 15px 4px 15px; background: var(--hia-navy); color: #fff; }
.hia-agent-message.is-temporary .hia-agent-bubble { color: var(--hia-muted); font-style: italic; }
.hia-agent-bubble a { color: #087c89; text-decoration: underline; overflow-wrap: anywhere; }
.hia-agent-message-user .hia-agent-bubble a { color: #fff; }
.hia-agent-suggestions { display: flex; gap: 8px; overflow-x: auto; padding: 10px 14px 2px; background: #fff; }
.hia-agent-suggestions button { flex: 0 0 auto; padding: 8px 10px; border: 1px solid var(--hia-border); border-radius: 999px; background: #fff; color: var(--hia-navy); font: 600 12px/1.25 Montserrat, Arial, sans-serif; cursor: pointer; }
.hia-agent-suggestions button:hover { border-color: var(--hia-teal); }
.hia-agent-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 12px 14px; background: #fff; }
.hia-agent-form textarea { width: 100%; min-height: 48px; max-height: 120px; resize: vertical; border: 1px solid #ccd2df; border-radius: 13px; padding: 11px 12px; color: var(--hia-ink); background: #fff; font: 14px/1.4 Roboto, Arial, sans-serif; }
.hia-agent-form textarea:focus { outline: 3px solid rgba(23,202,219,.22); border-color: var(--hia-teal); }
.hia-agent-form button { align-self: stretch; min-width: 72px; border: 0; border-radius: 12px; background: var(--hia-teal); color: var(--hia-navy); font: 800 13px/1 Montserrat, Arial, sans-serif; cursor: pointer; }
.hia-agent-form button:disabled { opacity: .55; cursor: wait; }
.hia-agent-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 0 14px 13px; color: var(--hia-muted); background: #fff; font-size: 10.5px; line-height: 1.35; }
.hia-agent-footer button { flex: 0 0 auto; border: 0; background: transparent; color: var(--hia-navy); text-decoration: underline; cursor: pointer; font-size: 11px; }

@media (max-width: 600px) {
  .hia-agent-launcher { right: 14px; bottom: 14px; }
  .hia-agent-panel { right: 8px; bottom: 76px; width: calc(100vw - 16px); height: min(680px, calc(100vh - 92px)); border-radius: 18px; }
}