/* Chat block — centraal op de landingspagina (Spec.md:74).
   Gestyled in ICTU-palet met magenta CTA. */

.chat-block {
  background: var(--color-bg-blue);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  position: relative;
  overflow: hidden;
}

.chat-block::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--color-cyan);
  opacity: 0.25;
  pointer-events: none;
}

.chat-block::after {
  content: "";
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: var(--color-magenta);
  opacity: 0.18;
  pointer-events: none;
}

.chat-block > * {
  position: relative;
}

.chat-title {
  color: var(--color-primary-dark);
  font-size: 1.5rem;
  margin: 0 0 var(--space-xs);
}

/* AI-disclosure banner (EU AI Act art.50(1)). Prominenter dan een gewone
   disclaimer-paragraph: border-left + subtiele achtergrond + ⓘ-icoon zodat
   gebruikers vóór het stellen van de eerste vraag weten dat ze met een AI
   praten, geen mens. Niet als role=alert (geen aandacht-grab); wel met
   semantische rol via aria-label op de icon-span. */
.chat-disclaimer {
  margin: 0 0 var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-blue);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-text);
  font-style: normal;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.chat-disclaimer .ai-disclosure-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-primary);
  margin-top: 0.125rem;
}

.chat-conversation {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  min-height: 5rem;
  max-height: 24rem;
  overflow-y: auto;
  margin-bottom: var(--space-md);
}

.chat-conversation:empty::before {
  content: attr(data-empty-text);
  color: var(--color-text-muted);
  font-style: italic;
}

.msg {
  padding: var(--space-sm) var(--space-md);
  margin: 0 0 var(--space-sm);
  border-radius: var(--radius-sm);
  white-space: pre-wrap;
  word-wrap: break-word;
}

.msg-user {
  background: var(--color-primary);
  color: white;
  align-self: flex-end;
  max-width: 85%;
  margin-left: auto;
}

.msg-bot {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  max-width: 95%;
}

.msg-bot.msg-error {
  background: var(--color-bg-error-soft);
  border-color: var(--color-error);
  color: var(--color-error);
}

.msg-bot.msg-loading {
  font-style: italic;
  color: var(--color-text-muted);
}

.msg-bot.msg-loading::after {
  content: " …";
  animation: msg-loading-dots 1.2s steps(4, end) infinite;
}

@keyframes msg-loading-dots {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .msg-bot.msg-loading::after {
    animation: none;
  }
}

.msg-citation {
  margin-top: var(--space-xs);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.msg-citation a {
  margin-right: var(--space-sm);
  color: var(--color-primary);
}

#chat-form {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

#chat-input {
  flex: 1;
  resize: vertical;
  font-size: 1rem;
  min-height: 3rem;
  max-width: none;
  background: var(--color-bg);
}

#chat-submit {
  flex-shrink: 0;
  background: var(--color-magenta);
  /* Variant D: groene knop → donkere tekst voor AA-contrast. */
  color: var(--color-primary-dark);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-pill);
  border: none;
  font-weight: 800;
}

#chat-submit:hover {
  background: var(--color-magenta-hover);
}

#chat-submit[disabled] {
  opacity: 0.6;
  cursor: progress;
}

/* ========================================================================
   Hero-context — chat ingebed in rechter hero-kolom (witte card op blauw)
   ======================================================================== */
.hero-chat .chat-block {
  background: var(--color-bg-subtle);
  border: none;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18);
  padding: var(--space-lg);
}

.hero-chat .chat-block::before,
.hero-chat .chat-block::after {
  display: none;
}

/* Vaste hoogte i.p.v. min/max — pane groeit niet mee met streaming-content,
   geen layout-shift in de hero. Inhoud scrollt intern. */
.hero-chat .chat-conversation {
  height: 18rem;
  min-height: 0;
  max-height: none;
}

/* ------------------------------------------------------------------------
   Verfijning hero-chat: minder doos-in-doos, chat-tail-bubbles,
   user-bubble loskoppelen van primary-CTA, input integreren met de pane.
   ------------------------------------------------------------------------ */

/* Pane laat de card-rand het werk doen — geen eigen border meer */
.hero-chat .chat-conversation {
  background: transparent;
  border: none;
  padding: var(--space-sm) 0 var(--space-md);
}

/* Bubbles — asymmetrische radius geeft chat-vorm i.p.v. blok */
.hero-chat .msg {
  max-width: 88%;
  padding: 0.6rem 0.9rem;
  margin: 0 0 0.5rem;
  line-height: 1.45;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.hero-chat .msg-user {
  background: var(--color-bg-user-msg);
  color: var(--color-text-on-dark);
  border-radius: 18px 18px 4px 18px;
  margin-left: auto;
  max-width: 80%;
}

.hero-chat .msg-bot {
  background: var(--color-bg-subtle);
  border: none;                    /* schaduw doet het werk */
  border-radius: 18px 18px 18px 4px;
}

.hero-chat .msg-bot.msg-error {
  background: var(--color-bg-error-soft);
  border: 1px solid var(--color-error);  /* error mag wél schreeuwen */
}

/* Citation iets lichter — minder competitie met de tekst */
.hero-chat .msg-citation {
  font-size: 0.8125rem;
  margin-top: 0.35rem;
  opacity: 0.85;
}

/* Input integreren — geen losse doos meer, wel duidelijke scheidingslijn */
.hero-chat #chat-form {
  border-top: 1px solid var(--color-border-soft);
  padding-top: var(--space-md);
  margin-top: 0;
}

.hero-chat #chat-input {
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);   /* matcht de Verstuur-knop */
  padding: 0.7rem 1.1rem;
  min-height: 0;
  resize: none;                         /* in de hero geen handvat — voelt UI-net */
}

.hero-chat #chat-input:focus-visible {
  border-color: var(--color-primary);
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
}

/* Subtiele fade-in voor nieuwe bubbles */
@keyframes msg-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: none; }
}

.hero-chat .msg {
  animation: msg-in 140ms ease-out both;
}

@media (prefers-reduced-motion: reduce) {
  .hero-chat .msg { animation: none; }
}

/* ─── Signup mini-form (Phase 10 — REQ-7/8/9) ──────────────────────────── */

.msg-signup {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  margin: var(--space-sm) 0;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.msg-signup-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--color-text);
}

.msg-signup-body {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-text);
}

.msg-signup-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.msg-signup-label {
  font-size: 0.85rem;
  color: var(--color-text);
}

.msg-signup-field input {
  font: inherit;
  padding: var(--space-xs) var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
}

.msg-signup-field input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
}

.msg-signup-field input[aria-invalid="true"] {
  border-color: var(--color-error);
  outline: 1px solid var(--color-error);
}

.field-error,
.msg-signup-error {
  margin: var(--space-xs) 0 0 0;
  font-size: 0.8rem;
  color: var(--color-error);
}

.msg-signup-avg {
  margin: 0;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.msg-signup-submit {
  align-self: flex-start;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-magenta);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-magenta);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font: inherit;
  font-weight: 800;
}

.msg-signup-submit:hover:not(:disabled) {
  background: var(--color-magenta-hover);
  border-color: var(--color-magenta-hover);
}

.msg-signup-submit:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.msg-signup-submit:disabled {
  opacity: 0.6;
  cursor: progress;
}

.msg-signup-flash {
  padding: var(--space-xs) var(--space-sm);
  background: var(--color-bg-error-soft);
  border: 1px solid var(--color-error);
  border-radius: var(--radius-sm);
  color: var(--color-error);
  font-size: 0.85rem;
  margin: 0;
}

.msg-signup-ok {
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-success-soft);
  border: 1px solid var(--color-success);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  margin: var(--space-sm) 0;
}

@media (prefers-reduced-motion: reduce) {
  .msg-signup,
  .msg-signup-ok {
    animation: none;
    transition: none;
  }
}