/* Prozessfabrik-Chat — nutzt die bestehenden Design-Tokens aus css/style.css (--color-*, --font-*) */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.pf-back-link {
  color: var(--color-text-secondary);
  font-family: var(--font-display);
  font-size: 0.85rem;
  text-decoration: none;
}

.pf-back-link:hover,
.pf-back-link:focus-visible {
  color: var(--color-accent-hover);
}

.pf-main {
  padding: var(--spacing-section-v-desktop) 24px;
  min-height: 70vh;
}

.pf-container {
  max-width: 720px;
}

.pf-intro h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  color: var(--color-text-primary);
  margin-bottom: 12px;
}

.pf-intro p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.pf-mode-note {
  margin-top: 12px;
  padding: 10px 14px;
  border: 1px solid var(--color-glass-border);
  background: var(--color-glass-bg);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.pf-chat {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 32px 0 16px;
  min-height: 120px;
}

.pf-msg {
  max-width: 85%;
  padding: 12px 16px;
  border-radius: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
}

.pf-msg--assistant {
  align-self: flex-start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
}

.pf-msg--user {
  align-self: flex-end;
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.pf-msg--typing {
  align-self: flex-start;
  color: var(--color-text-secondary);
  font-style: italic;
}

.pf-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.pf-chip {
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-primary);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.pf-chip:hover,
.pf-chip:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent-hover);
}

.pf-chips[hidden] {
  display: none;
}

.pf-form {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.pf-input {
  flex: 1;
  resize: vertical;
  min-height: 48px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
}

.pf-input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}

.pf-send {
  white-space: nowrap;
}

.pf-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pf-status {
  min-height: 1.2em;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.pf-status--error {
  color: #f87171;
}

.pf-cta {
  align-self: flex-start;
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.15s ease, transform 0.15s ease;
}

.pf-cta:hover,
.pf-cta:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

/* Abschluss-CTA: hebt sich bewusst von den Chat-Blasen ab, damit der
   Einstieg ins Vollgespräch nicht als weitere Nachricht untergeht. */
.pf-lead {
  align-self: stretch;
  margin-top: 10px;
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--color-accent);
  border-radius: 14px;
  background:
    linear-gradient(180deg, rgba(99, 102, 241, 0.10) 0%, rgba(99, 102, 241, 0) 60%),
    var(--color-surface);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.10), 0 14px 32px rgba(0, 0, 0, 0.35);
  animation: pf-lead-appear 0.4s ease both;
}

@keyframes pf-lead-appear {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.pf-lead-heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.35;
}

.pf-lead-text {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0;
}

.pf-lead-form {
  display: flex;
  gap: 10px;
  margin-top: 6px;
}

.pf-lead-input {
  flex: 1;
  min-width: 0;
  padding: 13px 14px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
}

.pf-lead-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.7;
}

.pf-lead-input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}

.pf-lead-send {
  white-space: nowrap;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 22px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.15s ease;
}

.pf-lead-send:hover,
.pf-lead-send:focus-visible {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.pf-lead-send:disabled,
.pf-lead-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.pf-lead-trust {
  margin: 2px 0 0;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  opacity: 0.85;
}

.pf-lead-status {
  min-height: 1.2em;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

.pf-lead-status--error {
  color: #f87171;
}

/* Erfolgszustand: Rahmen beruhigen, Karte bleibt als Beleg stehen. */
.pf-lead.is-done {
  border-color: var(--color-glass-border);
  box-shadow: none;
  background: var(--color-surface);
}

.pf-lead.is-done .pf-lead-heading {
  color: var(--color-accent-hover);
}

@media (max-width: 560px) {
  .pf-lead {
    padding: 18px;
  }

  .pf-lead-form {
    flex-direction: column;
  }

  .pf-lead-send {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pf-chip,
  .pf-back-link,
  .pf-cta,
  .pf-lead-send {
    transition: none;
  }

  .pf-lead {
    animation: none;
  }

  .pf-lead-send:hover,
  .pf-lead-send:focus-visible {
    transform: none;
  }
}