/* skrytie “hidden” */
.hidden { display: none!important; }

/* základné premenné */
:root {
  --chat-pri:      #798d7a;    /* primárna farba (pôvodná) */
  --chat-bg:       #ffffff;    /* pozadie okna (pôvodná) */
  --chat-txt:      #333333;    /* text v správe */
  --chat-btn-bg:   transparent;    /* NOVÉ: pozadie tlačidla */
  --chat-btn-color:#ffffff;    /* NOVÉ: farba ikony v tlačidle */
  --chat-window-bg:#FAFAFA;    /* NOVÉ: pozadie chat okna */
  --chat-window-border:#ffffff;/* NOVÉ: orámovanie chat okna */
  --chat-btn-border:transparent;;   /* NOVÉ: okraj tlačidla */
}

[data-theme="dark"] {
  --chat-bg:       #2b2b2b;
  --chat-txt:      #f1f1f1;
  --chat-pri:      #6fa06d;
  --chat-btn-bg:   #798d7a;    /* tmavé tlačidlo */
  --chat-btn-color:#ffffff;
  --chat-window-bg:#303030;    /* tmavé okno */
  --chat-window-border:#ffffff;
  --chat-btn-border:#ffffff;   /* tmavý okraj tlačidla */
}

/* chat button */
#chatbot-button {
  position: fixed;
  bottom: 70px;
  right: 20px;
  width: 41px;
  height: 41px;
  background: var(--chat-btn-bg);
  color: var(--chat-btn-color);
  border-radius: 8px;               /* zmenené z 50% na 8px pre zaoblený obdĺžnik */
  border: 1px solid var(--chat-btn-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  cursor: pointer;
  z-index: 9999;
}

/* srdcový beat */
.wave-emoji {
  display: inline-block;
  animation: heartbeat 1.5s infinite ease-in-out;
}

@keyframes heartbeat {
  0%   { transform: scale(1); }
  14%  { transform: scale(1.3); }
  28%  { transform: scale(1); }
  42%  { transform: scale(1.3); }
  70%  { transform: scale(1); }
  100% { transform: scale(1); }
}

/* okno chat – desktop */
#chatbot-window {
  position: fixed;
  bottom: 140px;
  right: 20px;
  width: 360px; max-width: 90vw;
  height: 60vh;
  background: var(--chat-window-bg);
  border: 1px solid var(--chat-window-border);
  border-radius: 8px;
  display: flex; flex-direction: column;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  z-index: 9999;
  overflow: hidden;
}

/* header */
#chatbot-header {
  display: flex; align-items: center;
  padding: 10px;
  background: var(--chat-pri);
  color: #fff;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}
.header-icon {
  margin-right: 8px;
}
.header-title {
  font-weight: bold;
}
#theme-toggle {
  margin-left: auto;
  background: none; border: none;
  color: #fff; font-size: 18px;
  cursor: pointer;
}
#clear-chat {
  margin-left: 8px;
  background: none; border: none;
  color: #fff; font-size: 18px;
  cursor: pointer;
}

/* správy */
#chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  color: var(--chat-txt);
}
.chatbot-message {
  margin: 6px 0; padding: 8px 10px; border-radius: 6px;
  background: #f1f1f1; color: var(--chat-txt);
}
.chatbot-message.user {
  margin-left: auto; background: var(--chat-pri); color: #fff;
}
[data-theme="dark"] .chatbot-message {
  background: #3a3a3a;
}

/* styling pre odkazy v správe */
.chatbot-message a {
  color: var(--chat-pri);
  text-decoration: underline;
  cursor: pointer;
}
.chatbot-message a:hover {
  opacity: 0.8;
}

/* typing indikátor */
#chatbot-typing {
  padding: 6px 10px;
  font-style: italic;
  color: #666;
  border-top: 1px solid #eee;
}

/* formulár */
#chatbot-form {
  display: flex; border-top: 1px solid #ddd;
}
#chatbot-input {
  flex: 1; border: none; padding: 12px; font-size: 14px;
  outline: none; background: #fff; color: #333;
}
[data-theme="dark"] #chatbot-input {
  background: #444; color: #f1f1f1;
}
#chatbot-form button {
  background: var(--chat-pri); color: #fff;
  border: none; padding: 0 16px; cursor: pointer;
}

/* mobile úpravy */
@media (max-width: 480px) {
  #chatbot-window {
    bottom: 70px;
    right: 10px;
    left: 10px;
    width: auto;
    height: 70vh;
  }
  #chatbot-button {
    bottom: 15px;
    right: 20px;
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  #chatbot-input { font-size: 16px; padding: 12px; }
  #chatbot-form button { padding: 0 20px; }
}

/* desktop – odstránenie okraja tlačidla */
@media (min-width: 601px) {
  #chatbot-button {
    border: none !important;
    outline: none !important;
  }
}