/* Smart-CMS Chat-Widget (Modul chat, ab Core 0.13.0). Präfix cms-chat-.
   Anpassbar im Website-CSS über CSS-Variablen auf :root:
     --cms-chat-color          Hauptfarbe (Knopf, Kopf, eigene Nachrichten) — weiße Schrift darauf
     --cms-chat-offset-bottom  Abstand unten (z. B. über einer mobilen Aktionsleiste)
     --cms-chat-offset-right   Abstand rechts
     --cms-chat-font           Schrift (Standard: Schrift der Website)
     --cms-chat-z              Stapelebene                                                    */

.cms-chat {
  --_c:      var(--cms-chat-color, #1f5f4a);
  --_text:   #1d232a;
  --_muted:  #5b6672;   /* 5,9:1 auf Weiß */
  --_line:   #d9dee3;
  --_bg:     #ffffff;
  --_soft:   #f3f5f7;
  --_err:    #b42318;

  position: fixed;
  right: var(--cms-chat-offset-right, 20px);
  bottom: var(--cms-chat-offset-bottom, 20px);
  z-index: var(--cms-chat-z, 9000);
  font-family: var(--cms-chat-font, inherit);
  font-size: 15px;
  line-height: 1.45;
  color: var(--_text);
}
.cms-chat *, .cms-chat *::before, .cms-chat *::after { box-sizing: border-box; }
.cms-chat svg { width: 1.25em; height: 1.25em; display: block; }
.cms-chat button { font: inherit; cursor: pointer; }
.cms-chat button:disabled { cursor: not-allowed; opacity: .6; }
.cms-chat :focus-visible { outline: 3px solid var(--_c); outline-offset: 2px; }

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

/* Runder Knopf */
.cms-chat__bubble {
  position: relative;
  width: 58px; height: 58px;
  border: 0; border-radius: 50%;
  background: var(--_c); color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .22);
  transition: transform .15s ease, filter .15s ease;
}
.cms-chat__bubble svg { width: 27px; height: 27px; }
.cms-chat__bubble:hover { filter: brightness(.92); transform: scale(1.04); }
.cms-chat.is-open .cms-chat__bubble { display: none; }
.cms-chat__dot {
  position: absolute; top: 4px; right: 4px;
  width: 14px; height: 14px; border-radius: 50%;
  background: #e5484d; border: 2px solid #fff;
}

/* Hinweis-Blase links neben dem Knopf */
.cms-chat__teaser {
  position: absolute; right: 72px; bottom: 7px;
  display: flex; align-items: stretch;
  width: max-content;
  max-width: min(280px, calc(100vw - 110px));
  background: var(--_bg); border-radius: 22px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .18);
  opacity: 0; transform: translateX(8px);
  transition: opacity .3s ease, transform .3s ease;
}
.cms-chat__teaser.is-in { opacity: 1; transform: none; }
.cms-chat__teaser[hidden] { display: none; }
.cms-chat__teaser-text {
  flex: 1; border: 0; background: none; color: var(--_text);
  padding: 11px 4px 11px 16px; text-align: left; font-weight: 500; font-size: 14px;
}
.cms-chat__teaser-text:hover { color: var(--_c); }
.cms-chat__teaser-close { border: 0; background: none; color: var(--_muted); padding: 8px 12px 8px 6px; }
.cms-chat__teaser-close svg { width: 15px; height: 15px; }

/* Fenster */
.cms-chat__panel {
  position: absolute; right: 0; bottom: 0;
  width: 370px; max-width: calc(100vw - 32px);
  height: 560px; max-height: calc(100vh - var(--cms-chat-offset-bottom, 20px) - 20px);
  max-height: calc(100dvh - var(--cms-chat-offset-bottom, 20px) - 20px);
  display: flex; flex-direction: column;
  background: var(--_bg); border-radius: 14px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .28);
}
.cms-chat__panel[hidden] { display: none; }

.cms-chat__head {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 12px 14px 18px; background: var(--_c); color: #fff;
}
.cms-chat__title { margin: 0; font-size: 16px; font-weight: 600; line-height: 1.2; color: inherit; }
.cms-chat__sub { margin: 2px 0 0; font-size: 12.5px; opacity: .9; }
.cms-chat__close { border: 0; background: none; color: #fff; padding: 6px; border-radius: 8px; }
.cms-chat__close:hover { background: rgba(255, 255, 255, .15); }
.cms-chat__close:focus-visible { outline-color: #fff; }

.cms-chat__body { flex: 1; min-height: 0; display: flex; flex-direction: column; }

.cms-chat__screen { padding: 18px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; height: 100%; }
.cms-chat__screen p { margin: 0; }
.cms-chat__h3 { margin: 0; font-size: 17px; font-weight: 600; color: var(--_text); }
.cms-chat__small { font-size: 13px; color: var(--_muted); }
.cms-chat__screen a, .cms-chat__foot a { color: inherit; text-decoration: underline; }

.cms-chat__field label { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 500; }
.cms-chat__field input, .cms-chat__field textarea, .cms-chat__composer textarea {
  width: 100%; font: inherit; color: var(--_text); background: #fff;
  border: 1px solid #8a959f; border-radius: 8px; padding: 9px 11px;
}
.cms-chat__field textarea { resize: vertical; min-height: 96px; }
.cms-chat__field input:focus, .cms-chat__field textarea:focus, .cms-chat__composer textarea:focus {
  outline: 2px solid var(--_c); outline-offset: 0; border-color: var(--_c);
}
.cms-chat__hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.cms-chat__error { color: var(--_err); font-size: 13.5px; font-weight: 500; }
.cms-chat__error[hidden] { display: none; }
.cms-chat__success { color: var(--_c); font-weight: 600; text-align: center; padding: 24px 0; }

.cms-chat__row { display: flex; gap: 8px; }
.cms-chat__row .cms-chat__btn:first-child { flex: 1; }
.cms-chat__btn {
  border: 1px solid var(--_c); border-radius: 8px; background: var(--_c); color: #fff;
  padding: 10px 14px; font-weight: 600; font-size: 14px;
}
.cms-chat__btn:hover:not(:disabled) { filter: brightness(.92); }
.cms-chat__screen > .cms-chat__btn:last-child { margin-top: auto; }
.cms-chat__btn--ghost { background: transparent; color: var(--_text); border-color: var(--_line); }

/* Verlauf */
.cms-chat__list {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: 14px 12px; background: var(--_soft);
  display: flex; flex-direction: column; gap: 8px;
}
.cms-chat__msg {
  margin: 0; max-width: 84%; padding: 9px 12px; border-radius: 14px;
  white-space: pre-wrap; overflow-wrap: anywhere;
}
.cms-chat__msg--user  { align-self: flex-end; background: var(--_c); color: #fff; border-bottom-right-radius: 4px; }
.cms-chat__msg--agent,
.cms-chat__msg--ki    { align-self: flex-start; background: #fff; border: 1px solid var(--_line); border-bottom-left-radius: 4px; }
.cms-chat__msg--system { align-self: center; max-width: 95%; padding: 2px 6px; font-size: 13px; color: var(--_muted); text-align: center; }
.cms-chat__msg.is-failed { opacity: .6; }
.cms-chat__typing { margin: 0; align-self: flex-start; font-size: 13px; color: var(--_muted); font-style: italic; }
.cms-chat__offer { align-self: center; font-size: 13px; padding: 7px 12px; }

.cms-chat__composer { display: flex; gap: 8px; align-items: flex-end; padding: 10px; border-top: 1px solid var(--_line); background: #fff; }
.cms-chat__composer textarea { flex: 1; resize: none; min-height: 40px; max-height: 120px; overflow-y: hidden; border-radius: 20px; padding: 9px 14px; }
.cms-chat__send {
  flex: 0 0 auto; width: 40px; height: 40px; border: 0; border-radius: 50%;
  background: var(--_c); color: #fff; display: grid; place-items: center;
}
.cms-chat__send svg { width: 18px; height: 18px; }
.cms-chat__restart { flex: 1; }

.cms-chat__foot { margin: 0; padding: 6px 12px; font-size: 11.5px; color: var(--_muted); text-align: center; border-top: 1px solid var(--_line); background: #fff; }

@media (max-width: 480px) {
  .cms-chat { right: var(--cms-chat-offset-right, 12px); }
  .cms-chat__panel { width: calc(100vw - 24px); max-width: none; height: calc(100dvh - var(--cms-chat-offset-bottom, 20px) - 16px); border-radius: 12px; }
  .cms-chat__teaser-text { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  .cms-chat__bubble, .cms-chat__teaser { transition: none; }
}