/* ---------- pre-chat ---------- */
/* Layout the prechat form to fill the card: a centered hero on top,
   and a docked input row at the bottom that mirrors the chat composer.
   This makes the empty state read as a placeholder for the live chat. */
.chat-prechat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  padding: 0;
  gap: 0;
}
.prechat-hero {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.65rem;
  padding: 2.25rem 1.5rem 1.5rem;
}

.prechat-hero-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  color: var(--text);
}
.prechat-hero-sub {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.97rem;
  max-width: 38ch;
  line-height: 1.55;
}

.prechat-dock {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 0.9rem 1rem 1.1rem;
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--surface-2) 30%, var(--surface)),
    var(--surface)
  );
}
.prechat-row {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.prechat-row input {
  flex: 1;
  min-width: 0;
  height: 46px;
  padding: 0 1.05rem;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.96rem;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--text) 4%, transparent),
    0 1px 2px rgba(0, 0, 0, 0.02);
}
.prechat-row input::placeholder {
  color: color-mix(in srgb, var(--text-muted) 75%, transparent);
}
.prechat-row input:hover:not(:focus) {
  background: color-mix(in srgb, var(--surface) 60%, var(--bg));
  border-color: color-mix(in srgb, var(--border) 60%, var(--text-muted));
}
.prechat-row input:focus {
  border-color: var(--brand);
  background: var(--surface);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--text) 4%, transparent),
    0 0 0 4px var(--brand-soft);
  outline: none;
}
.prechat-row input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, var(--text) 4%, transparent),
    0 0 0 4px color-mix(in srgb, var(--danger) 14%, transparent);
}
.form-error {
  color: var(--danger);
  margin: 0;
  font-size: 0.88rem;
  font-weight: 500;
}

/* Neutralize browser autofill globally across browsers + states.
   WebKit/Blink and Firefox both override CSS background-color on autofilled
   inputs; the only reliable way to repaint is a giant inset box-shadow used
   as a paintover, plus -webkit-text-fill-color to restore the foreground.
   The 5000s background-color transition delays the autofill highlight's
   fade-in long enough to be invisible. !important is needed because the
   focus rule below has to defeat the base rule's coverage of `:focus`. */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus,
input:-webkit-autofill:active,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
textarea:-webkit-autofill:active,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus,
select:-webkit-autofill:active,
input:autofill,
textarea:autofill,
select:autofill {
  -webkit-box-shadow: 0 0 0 1000px var(--bg) inset !important;
  box-shadow: 0 0 0 1000px var(--bg) inset !important;
  -webkit-text-fill-color: var(--text) !important;
  caret-color: var(--text) !important;
  background-color: var(--bg) !important;
  background-image: none !important;
  border-color: var(--border) !important;
  transition: background-color 5000s ease-in-out 0s !important;
}

/* Focused autofilled inputs: keep the surface + brand-soft glow that the
   non-autofilled focus rules use, so the field looks identical to a manually
   typed-in focused field. Listed AFTER the base block so the cascade picks
   this up; both `:-webkit-autofill:focus` and `:autofill:focus` covered. */
input:-webkit-autofill:focus,
textarea:-webkit-autofill:focus,
select:-webkit-autofill:focus,
input:autofill:focus,
textarea:autofill:focus,
select:autofill:focus {
  -webkit-box-shadow:
    0 0 0 1000px var(--surface) inset,
    0 0 0 4px var(--brand-soft) !important;
  box-shadow:
    0 0 0 1000px var(--surface) inset,
    0 0 0 4px var(--brand-soft) !important;
  background-color: var(--surface) !important;
  border-color: var(--brand) !important;
}