/* nanoblue KI-Avatar „Nano" (Beta) – Chat-Widget
   Rahmenlos auf clip-path-Flächen (Schräge schneidet Rahmen ab), Abgrenzung über Flächenfarben. */

.nbav { position: fixed; right: 20px; bottom: 20px; z-index: 900; font-family: var(--font); }

/* --- Launcher --------------------------------------------------------- */
.nbav-launch {
  display: flex; align-items: flex-end; gap: 10px;
  background: none; border: 0; padding: 0; cursor: pointer; font: inherit;
}
.nbav-launch__bubble {
  background: #fff; color: var(--deep-navy); font-size: .9rem; font-weight: 500;
  padding: .55rem .85rem; margin-bottom: 18px; box-shadow: 0 6px 24px rgba(0, 23, 48, .16);
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px);
  opacity: 0; transform: translateY(6px); transition: opacity .3s, transform .3s;
  pointer-events: none; white-space: nowrap;
}
.nbav-launch.is-hinted .nbav-launch__bubble { opacity: 1; transform: none; }
.nbav-launch__face {
  width: 76px; height: 76px; border-radius: 50%; background: var(--nano-blue);
  box-shadow: 0 8px 26px rgba(8, 90, 255, .4); display: grid; place-items: center;
  transition: transform .2s;
}
.nbav-launch:hover .nbav-launch__face { transform: translateY(-3px) rotate(-4deg); }
.nbav-launch__face svg { width: 64px; height: 64px; margin-top: 6px; }
.nbav.is-open .nbav-launch { display: none; }

/* --- Panel ------------------------------------------------------------ */
.nbav-panel {
  display: none; flex-direction: column; width: min(390px, calc(100vw - 32px));
  height: min(600px, calc(100vh - 40px)); background: var(--crystal-white);
  box-shadow: 0 18px 60px rgba(0, 23, 48, .28);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
}
.nbav.is-open .nbav-panel { display: flex; }

.nbav-head {
  display: flex; align-items: center; gap: 12px; padding: 14px 14px 12px 22px;
  background: linear-gradient(135deg, var(--banner-navy-1), var(--banner-navy-2)); color: var(--crystal-white);
}
.nbav-head__avatar { width: 78px; height: 78px; flex: none; margin: -4px 0 -12px; }
.nbav-head__avatar svg { width: 100%; height: 100%; overflow: visible; }
.nbav-head__txt { flex: 1; min-width: 0; }
.nbav-head__name { font-size: 1.2rem; font-weight: 600; line-height: 1.1; }
.nbav-head__sub { font-size: .8rem; opacity: .75; margin-top: 3px; }
.nbav-head__beta {
  display: inline-block; font-size: .65rem; font-weight: 600; letter-spacing: .06em;
  background: var(--nano-blue); padding: 1px 6px; margin-left: 6px; vertical-align: 2px;
}
.nbav-icon-btn {
  background: none; border: 0; color: inherit; width: 34px; height: 34px; cursor: pointer;
  display: grid; place-items: center; opacity: .8; border-radius: 4px;
}
.nbav-icon-btn:hover, .nbav-icon-btn:focus-visible { opacity: 1; background: var(--line-invert); }
.nbav-icon-btn[aria-pressed="true"] { opacity: 1; color: #7fb0ff; }

.nbav-log { flex: 1; overflow-y: auto; padding: 16px 16px 8px; display: flex; flex-direction: column; gap: 10px; }
.nbav-msg { max-width: 88%; font-size: .95rem; line-height: 1.45; padding: .6rem .85rem; word-wrap: break-word; }
.nbav-msg--bot { align-self: flex-start; background: var(--panel); color: var(--deep-navy);
  clip-path: polygon(10px 0, 100% 0, 100% 100%, 0 100%, 0 10px); }
.nbav-msg--user { align-self: flex-end; background: var(--nano-blue); color: #fff; }
.nbav-msg a { color: var(--nano-blue); font-weight: 500; }
.nbav-msg--bot ul { margin: .35rem 0 0; padding-left: 1.1rem; }
.nbav-msg--bot p { margin: 0 0 .4rem; } .nbav-msg--bot p:last-child { margin-bottom: 0; }
.nbav-msg.is-typing::after { content: "▍"; animation: nbav-caret 1s steps(2) infinite; color: var(--nano-blue); }
.nbav-dots { display: inline-flex; gap: 4px; padding: 4px 0; }
.nbav-dots i { width: 7px; height: 7px; border-radius: 50%; background: var(--navy-60); animation: nbav-dot 1.2s infinite; }
.nbav-dots i:nth-child(2) { animation-delay: .15s; } .nbav-dots i:nth-child(3) { animation-delay: .3s; }

.nbav-chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 0 16px 10px; }
.nbav-chip {
  font: inherit; font-size: .82rem; color: var(--nano-blue); background: var(--blue-tint);
  border: 0; padding: .4rem .7rem; cursor: pointer;
}
.nbav-chip:hover { background: #d4e2ff; }

.nbav-form { display: flex; gap: 8px; padding: 10px 12px; background: #fff; }
.nbav-input {
  flex: 1; font: inherit; font-size: 1rem; border: 0; background: var(--panel); color: var(--deep-navy);
  padding: .65rem .8rem; resize: none; max-height: 110px; outline-offset: 0;
}
.nbav-input:focus { outline: 2px solid var(--nano-blue); }
.nbav-send {
  background: var(--nano-blue); color: #fff; border: 0; width: 46px; cursor: pointer;
  display: grid; place-items: center;
}
.nbav-send:disabled { opacity: .45; cursor: default; }
.nbav-note { font-size: .7rem; color: var(--navy-60); padding: 0 14px 10px; background: #fff; line-height: 1.35; }
.nbav-note a { color: inherit; }

/* --- Figur-Animationen -------------------------------------------------- */
.nbav-eye { transform-box: fill-box; transform-origin: center; animation: nbav-blink 5s infinite; }
.nbav-mouth-open { opacity: 0; transform-box: fill-box; transform-origin: center top; }
.nbav-figure { transform-box: fill-box; transform-origin: 50% 90%; }
.nbav-antenna-tip { transform-box: fill-box; transform-origin: center; }

.is-thinking .nbav-pupils { transform: translate(2px, -3px); transition: transform .3s; }
.is-thinking .nbav-antenna-tip { animation: nbav-pulse .8s ease-in-out infinite; }
.is-talking .nbav-mouth-open { animation: nbav-talk .26s ease-in-out infinite alternate; }
.is-talking .nbav-mouth-closed { opacity: 0; }
.is-talking .nbav-figure { animation: nbav-bob .9s ease-in-out infinite; }
.nbav-launch__face .nbav-figure { animation: nbav-bob 3.2s ease-in-out infinite; }

@keyframes nbav-blink { 0%, 92%, 100% { transform: scaleY(1); } 95% { transform: scaleY(.1); } }
@keyframes nbav-talk { from { opacity: 1; transform: scaleY(.25); } to { opacity: 1; transform: scaleY(1); } }
@keyframes nbav-bob { 0%, 100% { transform: translateY(0) rotate(0); } 50% { transform: translateY(-2px) rotate(-2deg); } }
@keyframes nbav-pulse { 50% { transform: scale(1.5); fill: #7fb0ff; } }
@keyframes nbav-caret { 50% { opacity: 0; } }
@keyframes nbav-dot { 0%, 60%, 100% { opacity: .3; transform: none; } 30% { opacity: 1; transform: translateY(-3px); } }

@media (prefers-reduced-motion: reduce) {
  .nbav *, .nbav *::after { animation: none !important; transition: none !important; }
}

@media (max-width: 520px) {
  .nbav { right: 12px; bottom: 12px; }
  .nbav.is-open { right: 0; bottom: 0; left: 0; top: 0; }
  .nbav-panel { width: 100vw; height: 100dvh; clip-path: none; }
  .nbav-launch__bubble { display: none; }
}