/* Prozessfabrik-Chat-Widget — schwebender Einstieg auf der Startseite.
   Nutzt dieselben Design-Tokens wie css/style.css (--color-*, --font-*). */

.pfw-launcher {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: var(--color-accent);
  color: var(--color-on-accent);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  z-index: 1500;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pfw-launcher:hover,
.pfw-launcher:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.5);
}

.pfw-launcher svg {
  width: 26px;
  height: 26px;
}

.pfw-launcher .pfw-icon-close {
  display: none;
}

.pfw-launcher.is-open .pfw-icon-chat {
  display: none;
}

.pfw-launcher.is-open .pfw-icon-close {
  display: block;
}

.pfw-panel {
  position: fixed;
  right: 24px;
  bottom: 92px;
  width: min(380px, calc(100vw - 32px));
  max-height: min(600px, 70vh);
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  overflow: hidden;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px) scale(0.98);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  z-index: 1499;
}

.pfw-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.pfw-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.pfw-header-text h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-primary);
  margin: 0 0 4px;
}

.pfw-header-text p {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin: 0;
}

.pfw-close {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  flex-shrink: 0;
}

.pfw-close:hover,
.pfw-close:focus-visible {
  color: var(--color-accent-hover);
}

.pfw-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pfw-msg {
  max-width: 88%;
  padding: 10px 14px;
  border-radius: 12px;
  line-height: 1.5;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

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

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

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

.pfw-cta {
  align-self: flex-start;
  margin-top: 4px;
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, transform 0.15s ease;
}

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

.pfw-footer {
  border-top: 1px solid var(--color-border);
  padding: 12px 14px;
}

.pfw-form {
  display: flex;
  gap: 8px;
}

.pfw-input {
  flex: 1;
  padding: 10px 12px;
  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: 0.9rem;
}

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

.pfw-send {
  white-space: nowrap;
  padding: 10px 16px;
  border: none;
  border-radius: 8px;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.pfw-send:hover,
.pfw-send:focus-visible {
  background: var(--color-accent-hover);
}

.pfw-send:disabled,
.pfw-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pfw-status {
  min-height: 1.1em;
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--color-text-secondary);
}

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

/* Abschluss-CTA im Widget: gleiche Idee wie auf der Standalone-Seite,
   nur kompakter wegen der schmalen Panel-Breite. */
.pfw-lead {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 6px;
  padding: 14px 15px;
  border: 1px solid var(--color-accent);
  border-radius: 12px;
  background:
    linear-gradient(180deg, rgba(99, 102, 241, 0.12) 0%, rgba(99, 102, 241, 0) 60%),
    var(--color-surface);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.10);
  animation: pfw-lead-appear 0.4s ease both;
}

@keyframes pfw-lead-appear {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.pfw-lead-heading {
  margin: 0;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.35;
}

.pfw-lead-text {
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  line-height: 1.5;
  margin: 0;
}

.pfw-lead-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 4px;
}

.pfw-lead-input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 9px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}

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

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

.pfw-lead-send {
  white-space: nowrap;
  width: 100%;
  padding: 11px 14px;
  border: none;
  border-radius: 9px;
  background: var(--color-accent);
  color: var(--color-on-accent);
  font-family: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s ease;
}

.pfw-lead-send:hover,
.pfw-lead-send:focus-visible {
  background: var(--color-accent-hover);
}

.pfw-lead-send:disabled,
.pfw-lead-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pfw-lead-trust {
  margin: 2px 0 0;
  font-size: 0.7rem;
  color: var(--color-text-secondary);
  opacity: 0.85;
}

.pfw-lead-status {
  min-height: 1.1em;
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

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

.pfw-lead.is-done {
  border-color: var(--color-glass-border);
  box-shadow: none;
  background: var(--color-surface);
}

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

@media (max-width: 480px) {
  .pfw-panel {
    right: 16px;
    bottom: 88px;
  }

  .pfw-launcher {
    right: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pfw-launcher,
  .pfw-panel {
    transition: none;
  }

  .pfw-lead {
    animation: none;
  }
}