/* Kant Nova Chat – Frontend */

#kant-nova {
  --kn-accent: #4C7DE8;
  --kn-accent-soft: #A9C4F6;
  --kn-ink: #080D1B;
  --kn-surface: #101830;
  --kn-surface-2: #17203C;
  --kn-line: rgba(150, 185, 255, .16);
  --kn-text: #E4EDFF;
  --kn-muted: #8FA3C8;
  --kn-bubble-user: var(--kn-accent);
  --kn-bubble-bot: #1C2949;
  --kn-bubble-line: rgba(150, 185, 255, .26);
  --kn-glow: rgba(76, 125, 232, .55);
  --kn-radius: 14px;
  --kn-font: inherit;
  --kn-launcher-size: 58px;
  --kn-stack-gap: 12px;

  position: fixed;
  bottom: 22px;
  z-index: 99999;
  font-family: var(--kn-font);
  font-size: 15px;
  line-height: 1.5;
}

#kant-nova.kn--right { right: 22px; }
#kant-nova.kn--left  { left: 22px; }

#kant-nova.kn--light {
  --kn-ink: #FFFFFF;
  --kn-surface: #FFFFFF;
  --kn-surface-2: #EEF3FC;
  --kn-bubble-bot: #EDF2FB;
  --kn-bubble-line: rgba(8, 13, 27, .10);
  --kn-line: rgba(8, 13, 27, .12);
  --kn-text: #0D1730;
  --kn-muted: #55648A;
  --kn-glow: rgba(76, 125, 232, .30);
}

#kant-nova *,
#kant-nova *::before,
#kant-nova *::after { box-sizing: border-box; }

#kant-nova button { font: inherit; cursor: pointer; }

/* Viele Themes setzen Buttons auf Versalien, Sperrschrift und eigene Groessen. */
#kant-nova button,
#kant-nova .kn-contact,
#kant-nova .kn-phone,
#kant-nova .kn-offer__link {
  font-family: inherit !important;
  text-transform: none !important;
  letter-spacing: normal !important;
  text-decoration: none !important;
  min-height: 0 !important;
}

/* Sichtbarkeitssteuerung: nicht auf das Theme verlassen. Panel, Teaser,
   Consent- und Lead-Block werden ueber das hidden-Attribut geschaltet. */
#kant-nova [hidden],
#kant-nova.kn [hidden] { display: none !important; }

#kant-nova :focus-visible {
  outline: 2px solid var(--kn-accent);
  outline-offset: 2px;
}

/* ---------- Launcher ---------- */

#kant-nova .kn-launcher {
  position: relative;
  display: grid !important;
  place-items: center;
  width: var(--kn-launcher-size) !important;
  height: var(--kn-launcher-size) !important;
  min-width: var(--kn-launcher-size) !important;
  flex: 0 0 var(--kn-launcher-size);
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 42%, #16224A 0%, var(--kn-ink) 72%);
  box-shadow: 0 6px 22px rgba(6, 10, 24, .5), 0 0 26px var(--kn-glow);
  transition: transform .18s ease, box-shadow .18s ease;
}

.kn-launcher::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1.5px solid var(--kn-accent-soft);
  opacity: .45;
}

.kn-launcher:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(6, 10, 24, .55), 0 0 38px var(--kn-glow);
}

.kn-launcher__logo {
  width: 30px;
  height: 30px;
  object-fit: contain;
  display: block;
}

.kn-launcher__close {
  position: absolute;
  width: 18px;
  height: 18px;
  opacity: 0;
  transition: opacity .15s ease;
}

.kn-launcher__close::before,
.kn-launcher__close::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  background: #fff;
  border-radius: 2px;
}

.kn-launcher__close::before { transform: rotate(45deg); }
.kn-launcher__close::after  { transform: rotate(-45deg); }

#kant-nova.is-open .kn-launcher__logo { opacity: 0; }
#kant-nova.is-open .kn-launcher__close { opacity: 1; }

/* ---------- Teaser ---------- */

.kn-teaser {
  position: absolute;
  bottom: calc(var(--kn-launcher-size) + var(--kn-stack-gap));
  width: max-content;
  max-width: 244px;
  padding: 12px 34px 12px 14px;
  background: var(--kn-surface);
  color: var(--kn-text);
  border: 1px solid var(--kn-line);
  border-radius: var(--kn-radius);
  box-shadow: 0 10px 30px rgba(10, 12, 22, .28);
  animation: kn-rise .3s ease both;
}

.kn--right .kn-teaser { right: 4px; }
.kn--left  .kn-teaser { left: 4px; }

.kn-teaser::after {
  content: "";
  position: absolute;
  bottom: -6px;
  width: 12px;
  height: 12px;
  background: var(--kn-surface);
  border-right: 1px solid var(--kn-line);
  border-bottom: 1px solid var(--kn-line);
  transform: rotate(45deg);
}

.kn--right .kn-teaser::after { right: 22px; }
.kn--left  .kn-teaser::after { left: 22px; }

.kn-teaser__text { margin: 0; font-size: 14px; }

#kant-nova .kn-teaser__close {
  position: absolute;
  top: 5px;
  right: 5px;
  display: grid !important;
  place-items: center;
  width: 22px !important;
  height: 22px !important;
  min-width: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  border-radius: 50% !important;
  background: var(--kn-surface-2) !important;
  color: var(--kn-text) !important;
  font-size: 15px !important;
  font-weight: 400 !important;
  line-height: 1 !important;
  opacity: .85;
  transition: opacity .15s ease, background .15s ease, color .15s ease;
}

#kant-nova .kn-teaser__close:hover {
  opacity: 1;
  background: var(--kn-accent) !important;
  color: #fff !important;
}

@keyframes kn-rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Panel ---------- */

.kn-panel {
  position: absolute;
  bottom: calc(var(--kn-launcher-size) + var(--kn-stack-gap));
  display: flex;
  flex-direction: column;
  width: 380px;
  max-width: calc(100vw - 32px);
  height: 560px;
  max-height: calc(100vh - 120px);
  background: var(--kn-ink);
  color: var(--kn-text);
  border: 1px solid var(--kn-line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 22px 60px rgba(4, 8, 20, .55), 0 0 0 1px rgba(120, 160, 240, .07);
  animation: kn-rise .22s ease both;
}

.kn--right .kn-panel { right: 0; }
.kn--left  .kn-panel { left: 0; }

.kn-head {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 18px 14px 14px;
  border-bottom: 1px solid var(--kn-line);
  background: linear-gradient(180deg, rgba(76, 125, 232, .20), transparent);
}

.kn-head__logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  object-fit: contain;
  background: var(--kn-surface-2);
  padding: 4px;
  box-shadow: 0 0 14px rgba(76, 125, 232, .35);
}

.kn-head__meta { flex: 1; min-width: 0; }

.kn-head__name {
  margin: 0;
  font-weight: 600;
  font-size: 15px;
}

.kn-head__status {
  margin: 1px 0 0;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--kn-muted);
}

.kn-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5FE3B4;
  box-shadow: 0 0 8px rgba(95, 227, 180, .7);
}

#kant-nova .kn-head__close,
#kant-nova .kn-head__reset {
  display: grid !important;
  place-items: center;
  flex: 0 0 auto;
  width: 30px !important;
  height: 30px !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
  background: none !important;
  color: var(--kn-muted) !important;
  font-size: 20px !important;
  font-weight: 400 !important;
  line-height: 1 !important;
  border-radius: 8px !important;
  box-shadow: none !important;
}

#kant-nova .kn-head__reset { font-size: 17px !important; }

.kn-head__close:hover,
.kn-head__reset:hover { color: var(--kn-text); background: var(--kn-surface-2); }

/* ---------- Verlauf ---------- */

.kn-body {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
}

.kn-log {
  flex: 1;
  overflow-y: auto;
  padding: 16px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  scrollbar-width: thin;
}

.kn-msg {
  max-width: 86%;
  padding: 10px 13px;
  border-radius: var(--kn-radius);
  white-space: pre-wrap;
  word-wrap: break-word;
  animation: kn-rise .18s ease both;
}

.kn-msg--bot {
  align-self: flex-start;
  background: var(--kn-bubble-bot);
  border: 1px solid var(--kn-bubble-line);
  border-bottom-left-radius: 5px;
}

.kn-msg--user { box-shadow: 0 2px 14px rgba(76, 125, 232, .28); }

.kn-msg--user {
  align-self: flex-end;
  background: var(--kn-bubble-user);
  color: #fff;
  border-bottom-right-radius: 5px;
}

.kn-msg--note {
  align-self: center;
  max-width: 100%;
  background: none;
  border: 0;
  color: var(--kn-muted);
  font-size: 13px;
  text-align: center;
  padding: 4px 0;
}

.kn-msg--error {
  align-self: flex-start;
  background: rgba(232, 84, 84, .12);
  border: 1px solid rgba(232, 84, 84, .4);
  color: #FFB4B4;
}

#kant-nova.kn--light .kn-msg--error { color: #A81F1F; }

.kn-msg p { margin: 0 0 8px; }
.kn-msg p:last-child { margin-bottom: 0; }
.kn-msg ul { margin: 6px 0; padding-left: 18px; }
.kn-msg a { color: inherit; text-decoration: underline; }
.kn-msg--bot a { color: var(--kn-accent); }

.kn-typing {
  display: inline-flex;
  gap: 4px;
  align-items: center;
  height: 14px;
}

.kn-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--kn-muted);
  animation: kn-blink 1.2s infinite ease-in-out;
}

.kn-typing span:nth-child(2) { animation-delay: .18s; }
.kn-typing span:nth-child(3) { animation-delay: .36s; }

@keyframes kn-blink {
  0%, 80%, 100% { opacity: .28; }
  40% { opacity: 1; }
}

/* ---------- Overlays: Einwilligung und Kontaktformular ---------- */

.kn-consent,
.kn-lead {
  position: absolute;
  inset: 0;
  background: var(--kn-ink);
  padding: 18px 16px;
  overflow-y: auto;
}

.kn-consent p,
.kn-lead p { margin: 0 0 12px; font-size: 14px; color: var(--kn-muted); }

.kn-lead h3 {
  margin: 0 0 10px;
  font-size: 16px;
  color: var(--kn-text);
}

.kn-field { margin-bottom: 10px; }

.kn-field label {
  display: block;
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--kn-muted);
}

#kant-nova .kn-field input,
#kant-nova .kn-field textarea {
  width: 100%;
  margin: 0 !important;
  padding: 9px 11px !important;
  color: var(--kn-text) !important;
  background: var(--kn-surface) !important;
  background-image: none !important;
  border: 1px solid var(--kn-line) !important;
  border-radius: 10px !important;
  box-shadow: none !important;
  font: inherit;
  font-size: 14px;
  line-height: 1.45;
}

#kant-nova .kn-field input:focus,
#kant-nova .kn-field textarea:focus {
  border-color: var(--kn-accent) !important;
  outline: none !important;
}

#kant-nova .kn-field textarea {
  min-height: 74px !important;
  max-height: 160px;
  resize: vertical !important;
}

.kn-hp { position: absolute; left: -9999px; opacity: 0; }

#kant-nova .kn-btn {
  width: 100%;
  margin: 0 0 6px !important;
  padding: 11px 14px !important;
  border: 0 !important;
  border-radius: 11px !important;
  background: var(--kn-accent) !important;
  color: #fff !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  line-height: 1.4 !important;
}

.kn-btn[disabled] { opacity: .6; cursor: default; }

#kant-nova .kn-btn--ghost {
  margin-top: 8px !important;
  background: none !important;
  border: 1px solid var(--kn-line) !important;
  color: var(--kn-muted) !important;
  font-weight: 500 !important;
}

.kn-consent a,
.kn-lead a { color: var(--kn-accent); }

.kn-formerror {
  margin: 0 0 10px;
  color: #FF9B9B;
  font-size: 13px;
}

/* ---------- Fusszeile ---------- */

.kn-foot {
  border-top: 1px solid var(--kn-line);
  padding: 10px 12px 12px;
  background: var(--kn-ink);
}

.kn-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.kn-chips:empty { display: none; }

#kant-nova .kn-chip {
  display: inline-block;
  width: auto !important;
  margin: 0 !important;
  padding: 5px 10px !important;
  border: 1px solid var(--kn-line) !important;
  border-radius: 999px !important;
  background: var(--kn-surface) !important;
  color: var(--kn-muted) !important;
  font-size: 12px !important;
  line-height: 1.35 !important;
  font-weight: 400 !important;
  box-shadow: none !important;
  transition: color .15s ease, border-color .15s ease;
}

#kant-nova .kn-chip:hover {
  color: var(--kn-text) !important;
  border-color: var(--kn-accent) !important;
}

/* Eingabezeile: Der Senden-Button liegt absolut im Kasten. Damit haengt das
   Layout weder an Flexbox noch an Hoehenregeln des Themes. */
#kant-nova .kn-compose {
  position: relative;
  display: block !important;
  width: 100%;
  margin: 0 !important;
  padding: 0 !important;
  background: var(--kn-surface);
  border: 1px solid var(--kn-line);
  border-radius: 14px;
  transition: border-color .15s ease, box-shadow .15s ease;
}

#kant-nova .kn-compose:focus-within {
  border-color: var(--kn-accent);
  box-shadow: 0 0 0 3px var(--kn-glow);
}

/* Die !important wehren Theme-Regeln wie "textarea { min-height: 150px }" ab. */
#kant-nova .kn-input {
  display: block !important;
  float: none !important;
  position: static !important;
  width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box !important;
  height: 44px !important;      /* autosize() passt an */
  min-height: 44px !important;
  max-height: 120px !important;
  margin: 0 !important;
  padding: 12px 50px 12px 14px !important;
  border: 0 !important;
  border-radius: 14px !important;
  background: transparent !important;
  background-image: none !important;
  color: var(--kn-text) !important;
  box-shadow: none !important;
  outline: none !important;
  font-family: inherit !important;
  font-size: 14px !important;
  line-height: 20px !important;
  letter-spacing: normal !important;
  text-transform: none !important;
  resize: none !important;
  overflow-x: hidden !important;
  overflow-y: hidden;
  vertical-align: top;
}

#kant-nova .kn-input::placeholder { color: var(--kn-muted); opacity: 1; }

#kant-nova .kn-send {
  position: absolute !important;
  right: 6px;
  bottom: 6px;
  display: grid !important;
  place-items: center;
  width: 32px !important;
  height: 32px !important;
  min-height: 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  border: 0 !important;
  border-radius: 10px !important;
  background: var(--kn-accent) !important;
  color: #fff !important;
  box-shadow: 0 2px 12px var(--kn-glow);
  transition: filter .15s ease, opacity .15s ease;
}

#kant-nova .kn-send:hover { filter: brightness(1.1); }
#kant-nova .kn-send[disabled] { opacity: .4; cursor: default; filter: none; }

/* Bildlaufleiste im Verlauf an das dunkle Panel anpassen. */
#kant-nova .kn-log { scrollbar-color: rgba(150, 185, 255, .28) transparent; }
#kant-nova .kn-log::-webkit-scrollbar { width: 9px; }
#kant-nova .kn-log::-webkit-scrollbar-track { background: transparent; }
#kant-nova .kn-log::-webkit-scrollbar-thumb {
  background: rgba(150, 185, 255, .24);
  border: 2px solid transparent;
  border-radius: 9px;
  background-clip: padding-box;
}
#kant-nova .kn-log::-webkit-scrollbar-thumb:hover {
  background: rgba(150, 185, 255, .42);
  background-clip: padding-box;
}

#kant-nova .kn-contact {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 7px 10px !important;
  border: 1px solid var(--kn-line) !important;
  border-radius: 11px !important;
  background: none !important;
  color: var(--kn-muted) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  line-height: 1.4 !important;
  box-shadow: none !important;
}

#kant-nova .kn-contact:hover,
#kant-nova .kn-contact.is-highlight {
  color: var(--kn-text) !important;
  border-color: var(--kn-accent) !important;
}

#kant-nova a.kn-contact {
  text-align: center;
  text-decoration: none;
  box-sizing: border-box;
}

.kn-actions {
  display: flex;
  align-items: stretch;
  gap: 7px;
  margin-top: 8px;
}

.kn-actions .kn-contact {
  flex: 1 1 auto;
  margin-top: 0;
  min-width: 0;
}

#kant-nova .kn-phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 7px 12px !important;
  border: 1px solid var(--kn-line) !important;
  border-radius: 11px !important;
  background: none !important;
  color: var(--kn-muted) !important;
  font-size: 13px !important;
  font-weight: 500 !important;
  line-height: 1.4 !important;
  box-shadow: none !important;
  white-space: nowrap;
  text-decoration: none !important;
  transition: color .15s ease, border-color .15s ease;
}

#kant-nova .kn-phone:hover {
  color: var(--kn-text);
  border-color: var(--kn-accent);
}

#kant-nova .kn-phone svg { flex: 0 0 auto; opacity: .8; }

/* Im Gespraech: Button und Rufnummer nebeneinander. */
.kn-offer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

#kant-nova .kn-offer .kn-phone { padding: 9px 14px; }

/* Kontakt-Button, den Nova im Gespraech anbietet. */
.kn-offer {
  align-self: flex-start;
  max-width: 100%;
  margin-top: -2px;
}

#kant-nova .kn-offer__link {
  display: inline-block;
  width: auto !important;
  padding: 8px 15px !important;
  font-weight: 600 !important;
  line-height: 1.4 !important;
  border: 0;
  border-radius: 999px;
  background: var(--kn-accent);
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none !important;
  box-shadow: 0 3px 16px var(--kn-glow);
}

#kant-nova .kn-offer__link:hover { filter: brightness(1.08); }

/* ---------- Mobil ---------- */

@media (max-width: 520px) {
  #kant-nova { bottom: 14px; }
  #kant-nova.kn--right { right: 14px; }
  #kant-nova.kn--left { left: 14px; }

  /* Kein Vollbild: das Panel liegt als Karte ueber der Seite, die Seite bleibt
     an den Raendern sichtbar. Die ID-Spezifitaet schlaegt ".kn--right .kn-panel". */
  #kant-nova .kn-panel {
    position: fixed;
    top: auto;
    left: 10px;
    right: 10px;
    bottom: 10px;
    width: auto;
    max-width: none;
    height: 76dvh;
    min-height: 340px;
    max-height: calc(100dvh - 20px);
    border-radius: 20px;
    border: 1px solid var(--kn-line);
  }

  /* Unter 16px zoomt iOS Safari beim Antippen ins Feld hinein. */
  #kant-nova .kn-input,
  #kant-nova .kn-field input,
  #kant-nova .kn-field textarea {
    font-size: 16px !important;
    line-height: 22px !important;
  }

  #kant-nova .kn-msg { max-width: 90%; }
  #kant-nova .kn-head { padding: 16px 13px 13px; }
  #kant-nova .kn-log { padding: 14px 12px 12px; }
  #kant-nova .kn-foot { padding: 10px 10px 12px; }

  #kant-nova.is-open .kn-launcher { display: none; }
  .kn-teaser { max-width: min(244px, calc(100vw - 90px)); }
}

/* Sehr niedrige Fenster (Tastatur offen): Panel darf schrumpfen. */
@media (max-width: 520px) and (max-height: 520px) {
  #kant-nova .kn-panel { height: calc(100dvh - 20px); min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  #kant-nova *,
  #kant-nova *::before { animation: none !important; transition: none !important; }
}

/* Fallback, falls das Theme diese Klasse nicht definiert */
#kant-nova .screen-reader-text {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}