:root{
  /* Боје прилагођене визуелном идентитету сајта библиотеке */
  --kb-primary:#8f1d2c;
  --kb-primary-dark:#6f1420;
  --kb-accent:#c9a646;
  --kb-light:#f7f3f1;
  --kb-border:#eadfdb;
  --kb-text:#2f2522;
  --kb-muted:#6b5e59;
}
*{box-sizing:border-box}
body{font-family:Arial,"Noto Sans",sans-serif;margin:0;color:var(--kb-text)}
#chatbot-toggle{position:fixed;right:22px;bottom:22px;z-index:9999;width:60px;height:60px;border-radius:50%;border:none;background:var(--kb-primary);color:white;font-size:27px;cursor:pointer;box-shadow:0 8px 24px rgba(0,0,0,.24);transition:.2s ease}
#chatbot-toggle:hover{background:var(--kb-primary-dark);transform:translateY(-1px)}
.chatbot-window[hidden],#chatbot-toggle[hidden]{display:none!important}
.chatbot-window{position:fixed;right:22px;bottom:92px;z-index:9999;width:min(420px,calc(100vw - 32px));height:610px;background:white;border:1px solid var(--kb-border);border-radius:18px;box-shadow:0 16px 44px rgba(0,0,0,.24);overflow:hidden;display:flex;flex-direction:column}
.chatbot-header{background:linear-gradient(135deg,var(--kb-primary),var(--kb-primary-dark));color:white;padding:15px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;border-bottom:4px solid var(--kb-accent)}
.chatbot-header strong{font-size:18px}.chatbot-header span{display:block;font-size:12px;opacity:.92;margin-top:3px}#chatbot-close{background:transparent;border:none;color:white;font-size:28px;line-height:1;cursor:pointer}
.chatbot-messages{flex:1;padding:14px;overflow-y:auto;background:var(--kb-light)}
.message{max-width:88%;padding:10px 12px;margin:8px 0;border-radius:14px;line-height:1.42;font-size:14px;white-space:pre-line;overflow-wrap:anywhere}.bot{background:white;border:1px solid var(--kb-border);color:var(--kb-text)}.user{background:var(--kb-primary);color:white;margin-left:auto}.message a{color:var(--kb-primary);font-weight:600}.user a{color:white}
.quick-actions{display:flex;gap:6px;flex-wrap:wrap;padding:9px 12px;border-top:1px solid var(--kb-border);background:white}.quick-actions button{border:1px solid var(--kb-border);background:white;border-radius:999px;padding:7px 10px;cursor:pointer;font-size:13px;color:var(--kb-text)}.quick-actions button:hover{background:var(--kb-light);border-color:var(--kb-accent)}
.chatbot-form{display:flex;gap:8px;padding:12px;border-top:1px solid var(--kb-border);background:white}.chatbot-form input{flex:1;border:1px solid var(--kb-border);border-radius:999px;padding:10px 12px;font-size:14px;outline:none}.chatbot-form input:focus{border-color:var(--kb-primary);box-shadow:0 0 0 3px rgba(143,29,44,.12)}.chatbot-form button{border:none;border-radius:999px;padding:10px 14px;background:var(--kb-primary);color:white;cursor:pointer}.chatbot-form button:hover{background:var(--kb-primary-dark)}
@media(max-width:520px){.chatbot-window{right:10px;left:10px;bottom:82px;width:auto;height:75vh}#chatbot-toggle{right:16px;bottom:16px}}