/* ============================================================================
   Prelogin — landing hero panel + overlay chat
   Palette: riusa i token Designers Italia / ministero blu già in app.css quando possibile.
   Spec: wiki/pages/prelogin_spec_v1.md
   ============================================================================ */

:root {
  --pl-blue: #0D6EFD;
  --pl-blue-dark: #052C65;
  --pl-ink: #2A2824;
  --pl-ink-soft: #5A5249;
  --pl-muted: #8B7B6E;
  --pl-border: rgba(42, 40, 36, 0.08);
  --pl-bg-soft: #F7F5F1;
  --pl-surface: #FFFFFF;
  --pl-radius: 16px;
  --pl-focus: #0D6EFD;
}

/* ============================================================================
   HERO SPLIT OVERRIDES — hero landing modificata con pannello chat affiancato
   Gli stili originali .hero-* in app.css sono pensati per hero centrato,
   con `align-items: center; text-align: center` e `margin: 0 auto` sul subtitle.
   Quando usiamo layout split (classe .hero-section--split) serve spegnerli.
   ============================================================================ */

.hero-section--split {
  text-align: unset;
  align-items: stretch;
  /* min-height originale (400px) non serve qui: l'altezza viene dal row + padding */
  min-height: unset;
}

/* Il banner-webinar-container è `position: absolute; bottom: 0; transform: translateY(50%)`.
   Con testi lunghi (es. tedesco) il chat panel nel row center-aligned cresce e arriva
   quasi al bottom dell'hero, sovrapponendosi al banner. Aumentiamo il padding-bottom
   su layout split per tenere il banner ben staccato dal chat panel. */
@media (min-width: 992px) {
  .hero-section--split {
    padding-bottom: 180px;
  }
}
@media (max-width: 991px) {
  .hero-section--split {
    /* Mobile: il banner diventa più alto (2 righe), lasciamo spazio extra */
    padding-bottom: 260px;
  }
}
.hero-section--split .hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-section--split .hero-title,
.hero-section--split .hero-subtitle {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 992px) {
  .hero-section--split .hero-content {
    align-items: flex-start;
  }
  .hero-section--split .hero-title,
  .hero-section--split .hero-subtitle {
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }
  .hero-section--split .hero-btn {
    align-self: flex-start;
  }
}

.prelogin-hero-login {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: -8px;
}

.prelogin-hero-login__label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.68);
}

@media (min-width: 992px) {
  .prelogin-hero-login {
    align-items: flex-start;
  }
}

/* ============================================================================
   HERO PANEL (nella landing, sopra il banner webinar)
   ============================================================================ */

.prelogin-hero-wrap {
  display: flex;
  justify-content: center;
  margin: 24px auto 0;
  padding: 0 16px;
  max-width: 1140px;
  width: 100%;
}

.prelogin-hero-panel {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 20px;
  padding: 22px 26px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 480px;
  width: 100%;
  color: #fff;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.prelogin-hero-panel__intro {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.prelogin-hero-panel__avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 1rem;
}

.prelogin-hero-panel__text {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.4;
  color: #fff;
}

.prelogin-hero-panel__paths {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.prelogin-hero-panel__btn {
  background: rgba(255, 255, 255, 0.94);
  color: var(--pl-blue-dark);
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 0.98rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease, transform 0.1s ease;
}
.prelogin-hero-panel__btn:hover {
  background: #fff;
  transform: translateY(-1px);
}
.prelogin-hero-panel__btn:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}

.prelogin-hero-panel__divider {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 4px 0;
}
.prelogin-hero-panel__divider-line {
  flex: 1;
  height: 1px;
  background: rgba(255, 255, 255, 0.3);
}
.prelogin-hero-panel__divider-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.82);
  white-space: nowrap;
}

.prelogin-hero-panel__input-form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 12px;
  padding: 4px 4px 4px 12px;
}
.prelogin-hero-panel__input-form:focus-within {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.prelogin-hero-panel__input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-family: inherit;
  font-size: 0.95rem;
  padding: 8px 0;
  outline: none;
}
.prelogin-hero-panel__input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.prelogin-hero-panel__send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--pl-blue);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.prelogin-hero-panel__send:hover {
  background: #0b5ed7;
}
.prelogin-hero-panel__send:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}

/* ============================================================================
   OVERLAY CHAT — layout "page-card" come da mockup
   Sopra la landing si stende un page-wrap chiaro con: breadcrumb + Accedi in alto,
   sotto la chat card bianca. Nessun backdrop scuro: visualmente è una pagina nuova.
   ============================================================================ */

.prelogin-overlay {
  position: fixed;
  inset: 0;
  background: var(--pl-bg-soft);
  display: none;
  z-index: 10050;
  overflow: hidden;
}
.prelogin-overlay.is-open {
  display: flex;
  flex-direction: column;
}

.prelogin-overlay__institutional {
  flex: 0 0 40px;
}

.prelogin-overlay__navbar {
  flex: 0 0 56px;
}

.prelogin-overlay__navbar .container-fluid {
  min-height: 100%;
}

.prelogin-overlay__navbar .lang-switcher span {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.prelogin-overlay__brand {
  gap: 12px;
  min-width: 0;
}

.landing-page-body .navbar-appli .navbar-brand .prelogin-overlay__tagline,
.prelogin-overlay__tagline {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prelogin-overlay__page {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 20px 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  min-height: 0;
}

.prelogin-overlay__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.prelogin-overlay__breadcrumb {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
  color: var(--pl-ink-soft);
}
.prelogin-overlay__breadcrumb li { display: inline-flex; align-items: center; }
.prelogin-overlay__breadcrumb-link {
  color: var(--pl-blue);
  text-decoration: none;
  font-weight: 500;
}
.prelogin-overlay__breadcrumb-link:hover {
  text-decoration: underline;
}
.prelogin-overlay__breadcrumb-link:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
  border-radius: 4px;
}
.prelogin-overlay__breadcrumb-sep {
  color: var(--pl-muted);
}
.prelogin-overlay__breadcrumb-current {
  color: var(--pl-ink);
  font-weight: 600;
}

.prelogin-overlay__pagecta {
  background: var(--pl-blue);
  color: #fff;
  border: 2px solid var(--pl-blue);
  border-radius: 8px;
  padding: 8px 18px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: underline;
  transition: background 0.15s ease;
}
.prelogin-overlay__pagecta:hover {
  background: var(--pl-blue-dark);
  color: #fff;
  text-decoration: underline;
}
.prelogin-overlay__pagecta:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}

.prelogin-overlay__window {
  background: var(--pl-surface);
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
  border-radius: var(--pl-radius);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--pl-border);
  overflow: hidden;
}

.prelogin-overlay__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  background: var(--pl-surface);
  color: var(--pl-ink);
  border-bottom: 1px solid var(--pl-border);
}

.prelogin-overlay__title {
  flex: 1;
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--pl-ink);
}

.prelogin-overlay__restart {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--pl-surface);
  color: var(--pl-blue);
  border: 1.5px solid var(--pl-border);
  border-radius: 8px;
  padding: 6px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.prelogin-overlay__restart:hover {
  background: var(--pl-bg-soft);
  border-color: var(--pl-blue);
}
.prelogin-overlay__restart:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}

@media (max-width: 600px) {
  .prelogin-overlay__tagline {
    display: none;
  }
  .prelogin-overlay__page {
    padding: 14px 12px 16px;
  }
  .prelogin-overlay__pagecta {
    padding: 6px 14px;
    font-size: 0.9rem;
  }
  .prelogin-overlay__restart span {
    display: none;
  }
}

.prelogin-overlay__body {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  background: var(--pl-bg-soft);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.prelogin-overlay__footer {
  padding: 12px 16px;
  border-top: 1px solid var(--pl-border);
  background: var(--pl-surface);
}

.prelogin-overlay__form {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--pl-bg-soft);
  border: 1px solid var(--pl-border);
  border-radius: 999px;
  padding: 4px 4px 4px 16px;
}
.prelogin-overlay__form:focus-within {
  border-color: var(--pl-blue);
  box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
}

.prelogin-overlay__input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--pl-ink);
  font-family: inherit;
  font-size: 1rem;
  padding: 10px 0;
  outline: none;
}
.prelogin-overlay__input::placeholder {
  color: var(--pl-muted);
}
.prelogin-overlay__input:disabled {
  color: var(--pl-muted);
  cursor: not-allowed;
}
.prelogin-overlay__input:disabled::placeholder {
  font-style: italic;
}
.prelogin-overlay__form:has(.prelogin-overlay__input:disabled) {
  opacity: 0.7;
}

.prelogin-overlay__send {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--pl-blue);
  color: #fff;
  border: none;
  cursor: pointer;
  transition: background 0.15s ease;
}
.prelogin-overlay__send:hover {
  background: #0b5ed7;
}
.prelogin-overlay__send:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}
.prelogin-overlay__send:disabled {
  background: var(--pl-muted);
  cursor: not-allowed;
}

/* Messages */

.prelogin-msg {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  max-width: 82%;
}
.prelogin-msg--bot {
  align-self: flex-start;
}
.prelogin-msg--user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.prelogin-msg__avatar {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: var(--pl-blue);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.prelogin-msg--user .prelogin-msg__avatar {
  display: none;
}

.prelogin-msg__bubble {
  background: var(--pl-surface);
  border-radius: 18px;
  padding: 10px 14px;
  border: 1px solid var(--pl-border);
  color: var(--pl-ink);
  font-size: 0.98rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.prelogin-msg--bot .prelogin-msg__bubble {
  border-top-left-radius: 6px;
}
.prelogin-msg--user .prelogin-msg__bubble {
  background: var(--pl-blue);
  color: #fff;
  border-color: var(--pl-blue);
  border-top-right-radius: 6px;
}

/* Markdown rendering inside bot bubbles */
.prelogin-msg__bubble strong { font-weight: 600; }
.prelogin-msg__bubble em { font-style: italic; }
.prelogin-msg__bubble code {
  background: rgba(13, 110, 253, 0.08);
  padding: 0 4px;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}
.prelogin-md-list {
  margin: 6px 0;
  padding-left: 22px;
}
.prelogin-md-list li { margin: 2px 0; }

/* Quick replies */

.prelogin-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 2px 42px;
}

.prelogin-quick__btn {
  background: var(--pl-surface);
  border: 1.5px solid var(--pl-blue);
  color: var(--pl-blue);
  border-radius: 999px;
  padding: 8px 14px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.prelogin-quick__btn:hover {
  background: var(--pl-blue);
  color: #fff;
}
.prelogin-quick__btn:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}

/* CTA box */

.prelogin-cta {
  margin: 6px 0 6px 42px;
  align-self: flex-start;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
}
.prelogin-cta__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 12px;
  padding: 10px 20px;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid var(--pl-blue);
  transition: background 0.15s ease, color 0.15s ease;
}
.prelogin-cta__btn--primary,
.prelogin-cta__btn:not(.prelogin-cta__btn--secondary) {
  background: var(--pl-blue);
  color: #fff;
}
.prelogin-cta__btn--primary:hover,
.prelogin-cta__btn:not(.prelogin-cta__btn--secondary):hover {
  background: #0b5ed7;
  color: #fff;
  text-decoration: none;
}
.prelogin-cta__btn--secondary {
  background: #fff;
  color: var(--pl-blue);
}
.prelogin-cta__btn--secondary:hover {
  background: var(--pl-blue);
  color: #fff;
}
.prelogin-cta__btn:focus-visible {
  outline: 3px solid #F4D35E;
  outline-offset: 2px;
}

/* Typing indicator */

.prelogin-typing {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 14px;
  background: var(--pl-surface);
  border: 1px solid var(--pl-border);
  border-radius: 18px;
  border-top-left-radius: 6px;
}
.prelogin-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pl-muted);
  animation: prelogin-typing-dot 1.2s infinite;
}
.prelogin-typing span:nth-child(2) {
  animation-delay: 0.15s;
}
.prelogin-typing span:nth-child(3) {
  animation-delay: 0.3s;
}
@keyframes prelogin-typing-dot {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}
@media (prefers-reduced-motion: reduce) {
  .prelogin-typing span {
    animation: none;
    opacity: 0.5;
  }
}

/* Notice banner (es. errore, throttle) */

.prelogin-notice {
  align-self: center;
  background: #FFF3CD;
  color: #664D03;
  border: 1px solid #FFE69C;
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 0.9rem;
  max-width: 80%;
  text-align: center;
}

/* Body lock quando overlay aperto */
body.prelogin-open {
  overflow: hidden;
}

/* Accessibility — focus visibility on kbd users */
@media (prefers-reduced-motion: reduce) {
  .prelogin-hero-panel__btn,
  .prelogin-overlay__action,
  .prelogin-overlay__send,
  .prelogin-quick__btn,
  .prelogin-cta__btn {
    transition: none;
  }
}