/* Drift Asset Frontline — floating support widget */
.da-frontline {
  --da-ink: #101820;
  --da-soft: #3a4654;
  --da-paper: #eef3f6;
  --da-mint: #0f9f6e;
  --da-mint-deep: #0b7a55;
  --da-line: rgba(16, 24, 32, 0.12);
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 80;
}

.da-frontline__toggle {
  width: 3.35rem;
  height: 3.35rem;
  border: 0;
  border-radius: 999px;
  background: var(--da-mint);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(16, 24, 32, 0.18);
  font-size: 1.35rem;
  line-height: 1;
  transition: background 0.2s ease, transform 0.2s ease;
}

.da-frontline__toggle:hover {
  background: var(--da-mint-deep);
  transform: translateY(-2px);
}

.da-frontline__toggle:focus-visible {
  outline: 3px solid var(--da-ink);
  outline-offset: 3px;
}

.da-frontline__panel {
  display: none;
  position: absolute;
  right: 0;
  bottom: 4.15rem;
  width: min(22.5rem, calc(100vw - 2rem));
  height: min(28rem, 70vh);
  flex-direction: column;
  background: #fff;
  color: var(--da-ink);
  border: 1px solid var(--da-line);
  border-radius: 0.7rem;
  box-shadow: 0 22px 50px rgba(16, 24, 32, 0.18);
  overflow: hidden;
}

.da-frontline.is-open .da-frontline__panel {
  display: flex;
}

.da-frontline__head {
  padding: 0.85rem 1rem;
  background: var(--da-paper);
  border-bottom: 1px solid var(--da-line);
}

.da-frontline__head strong {
  display: block;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.da-frontline__head span {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--da-soft);
}

.da-frontline__log {
  flex: 1;
  overflow-y: auto;
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: #fff;
}

.da-frontline__msg {
  max-width: 88%;
  padding: 0.55rem 0.7rem;
  border-radius: 0.45rem;
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 0.92rem;
  line-height: 1.45;
}

.da-frontline__msg--bot {
  align-self: flex-start;
  background: var(--da-paper);
  color: var(--da-ink);
}

.da-frontline__msg--user {
  align-self: flex-end;
  background: var(--da-mint);
  color: #fff;
}

.da-frontline__form {
  display: flex;
  gap: 0.4rem;
  padding: 0.7rem;
  border-top: 1px solid var(--da-line);
  background: #fff;
}

.da-frontline__form input {
  flex: 1;
  border: 1px solid var(--da-line);
  border-radius: 0.35rem;
  padding: 0.55rem 0.7rem;
  font: inherit;
  font-size: 0.88rem;
  color: var(--da-ink);
  background: var(--da-paper);
}

.da-frontline__form button {
  border: 0;
  border-radius: 0.35rem;
  padding: 0.55rem 0.8rem;
  background: var(--da-mint);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}

.da-frontline__form button:hover {
  background: var(--da-mint-deep);
}