:root {
  --tlo: #0b0a10;
  --panel: #17151f;
  --panel-jasny: #1f1c2a;
  --obwodka: #2a2635;
  --tekst: #ece9f4;
  --tekst-przygaszony: #948fa8;
  --fiolet: #9b6bf2;
  --fiolet-jasny: #b98cff;
  --fiolet-ciemny: #6d47c2;
  --blad: #f0806b;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--tlo);
  background-image: radial-gradient(ellipse 800px 500px at 50% 30%, rgba(155, 107, 242, 0.08), transparent);
  color: var(--tekst);
  font-family: "IBM Plex Sans", -apple-system, sans-serif;
}

.scena {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px;
}

.obszar {
  width: 100%;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow-y: auto;
  transition: justify-content 0.35s ease;
}

.scena.aktywna .obszar {
  justify-content: flex-start;
}

.powitanie {
  text-align: center;
  overflow: hidden;
  max-height: 200px;
  opacity: 1;
  transition: max-height 0.35s ease, opacity 0.25s ease, margin 0.35s ease;
}

.scena.aktywna .powitanie {
  max-height: 0;
  opacity: 0;
  margin: 0;
  pointer-events: none;
}

.powitanie-tekst {
  font-size: 22px;
  font-weight: 500;
  color: var(--tekst);
  margin: 0;
  letter-spacing: 0.01em;
}

.rozmowa {
  width: 100%;
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 4px 0 12px;
}

.rozmowa:empty { display: none; }

.wiadomosc-uzytkownik {
  align-self: flex-end;
  background: var(--panel-jasny);
  border: 1px solid var(--obwodka);
  border-radius: 16px 16px 4px 16px;
  padding: 10px 16px;
  max-width: 80%;
  font-size: 14.5px;
  line-height: 1.5;
  opacity: 0;
  transform: translateY(8px);
  animation: wjazd 0.3s ease forwards;
}

@keyframes wjazd {
  to { opacity: 1; transform: translateY(0); }
}

.blok-kodu {
  align-self: stretch;
  background: var(--panel);
  border: 1px solid var(--obwodka);
  border-radius: 14px;
  overflow: hidden;
}

.blok-kodu-naglowek {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--obwodka);
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px;
  color: var(--fiolet-jasny);
}

.blok-kodu-naglowek button {
  background: transparent;
  border: 1px solid var(--obwodka);
  color: var(--tekst-przygaszony);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  cursor: pointer;
  font-family: "IBM Plex Sans", sans-serif;
}
.blok-kodu-naglowek button:hover { border-color: var(--fiolet); color: var(--fiolet-jasny); }

.blok-kodu pre {
  margin: 0;
  padding: 16px;
  overflow-x: auto;
}

.blok-kodu code {
  font-family: "IBM Plex Mono", monospace;
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--tekst);
}

.dok-wejscie {
  width: 100%;
  max-width: 720px;
  position: sticky;
  bottom: 0;
}

.pasek-wejscia {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--obwodka);
  border-radius: 26px;
  padding: 8px 8px 8px 8px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.chip-jezyk {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--panel-jasny);
  border: 1px solid var(--obwodka);
  color: var(--tekst);
  border-radius: 18px;
  padding: 9px 12px;
  font-size: 13px;
  font-family: "IBM Plex Mono", monospace;
  cursor: pointer;
  white-space: nowrap;
}
.chip-jezyk:hover { border-color: var(--fiolet); }
.chip-jezyk svg { color: var(--tekst-przygaszony); }

.jezyk-kontener {
  position: relative;
  flex-shrink: 0;
}

.jezyk-menu {
  background: var(--panel-jasny);
  border: 1px solid var(--obwodka);
  border-radius: 12px;
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  min-width: 160px;
  margin: 0;
  position: absolute;
  bottom: calc(100% + 10px);
  left: 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  z-index: 20;
}

.jezyk-menu.otwarte { display: flex; }

.jezyk-menu button {
  background: transparent;
  border: none;
  color: var(--tekst);
  text-align: left;
  padding: 9px 10px;
  border-radius: 8px;
  font-family: "IBM Plex Mono", monospace;
  font-size: 13px;
  cursor: pointer;
}
.jezyk-menu button:hover { background: rgba(155, 107, 242, 0.15); color: var(--fiolet-jasny); }

textarea#prompt {
  flex: 1;
  resize: none;
  background: transparent;
  border: none;
  color: var(--tekst);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  padding: 10px 6px;
  max-height: 160px;
}
textarea#prompt:focus { outline: none; }
textarea#prompt::placeholder { color: var(--tekst-przygaszony); }

.przycisk-wyslij {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: none;
  background: var(--fiolet);
  color: #10081f;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.15s ease;
}
.przycisk-wyslij:hover { background: var(--fiolet-jasny); }
.przycisk-wyslij:disabled { opacity: 0.4; cursor: wait; }

.status {
  min-height: 16px;
  font-size: 12.5px;
  color: var(--tekst-przygaszony);
  text-align: center;
  margin: 10px 0 0;
}
.status.blad { color: var(--blad); }

@media (max-width: 640px) {
  .powitanie-tekst { font-size: 18px; }
  .wiadomosc-uzytkownik { max-width: 90%; }
}