#nh-chat-label {
  position: fixed;
  bottom: 100px;
  right: 28px;
  background: #25af1d;
  color: black;
  padding: 8px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  animation: nh-bounce 2s infinite;
  cursor: pointer;
  z-index: 99999;
}
@keyframes nh-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}
 #nh-chat-fab {
      position: fixed;
      bottom: 28px;
      right: 28px;
      z-index: 99999;
      width: 60px;
      height: 60px;
      border-radius: 50%;
      background: #25af1d;
      border: none;
      cursor: pointer;
      box-shadow: 0 0 0 0 rgba(37,175,29,0.7);
      animation: nh-pulse 2.5s infinite;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: transform 0.2s, background 0.2s;
    }
    #nh-chat-fab:hover { transform: scale(1.1); background: #1d9417; }
    #nh-chat-fab svg { width: 28px; height: 28px; }

    @keyframes nh-pulse {
      0%   { box-shadow: 0 0 0 0 rgba(37,175,29,0.7); }
      70%  { box-shadow: 0 0 0 14px rgba(37,175,29,0); }
      100% { box-shadow: 0 0 0 0 rgba(37,175,29,0); }
    }

    /* ─── Chat Panel ──────────────────────────────────────── */
    #nh-chat-panel {
      position: fixed;
      bottom: 100px;
      right: 28px;
      z-index: 99998;
      width: 370px;
      max-height: 560px;
      border-radius: 16px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      background: rgba(10,10,10,0.97);
      border: 1px solid rgba(37,175,29,0.4);
      box-shadow: 0 8px 40px rgba(0,0,0,0.7), 0 0 0 1px rgba(37,175,29,0.1);
      font-family: 'Poppins', 'Segoe UI', sans-serif;
      transform: scale(0.85) translateY(20px);
      opacity: 0;
      pointer-events: none;
      transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), opacity 0.2s ease;
    }
    #nh-chat-panel.open {
      transform: scale(1) translateY(0);
      opacity: 1;
      pointer-events: all;
    }

    /* Header */
    #nh-chat-header {
      background: linear-gradient(135deg, #0d1f0c 0%, #0a1a09 100%);
      border-bottom: 1px solid rgba(37,175,29,0.3);
      padding: 14px 16px 12px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .nh-avatar {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: linear-gradient(135deg, #25af1d, #1d9417);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      flex-shrink: 0;
      position: relative;
    }
    .nh-avatar::after {
      content: '';
      position: absolute;
      bottom: 1px;
      right: 1px;
      width: 9px;
      height: 9px;
      background: #25af1d;
      border-radius: 50%;
      border: 2px solid #0d1f0c;
      animation: nh-blink 2s infinite;
    }
    @keyframes nh-blink {
      0%,100% { opacity:1 } 50% { opacity:0.4 }
    }
    .nh-header-info { flex: 1; }
    .nh-header-name { color: #25af1d; font-weight: 700; font-size: 14px; letter-spacing: 0.3px; }
    .nh-header-status { color: rgba(255,255,255,0.45); font-size: 11px; margin-top: 1px; }
    #nh-close-btn {
      background: none;
      border: none;
      color: rgba(255,255,255,0.4);
      cursor: pointer;
      padding: 4px;
      border-radius: 6px;
      transition: color 0.15s, background 0.15s;
      display: flex;
    }
    #nh-close-btn:hover { color: white; background: rgba(255,255,255,0.08); }

    /* Messages */
    #nh-messages {
      flex: 1;
      overflow-y: auto;
      padding: 16px 14px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      scrollbar-width: thin;
      scrollbar-color: rgba(37,175,29,0.3) transparent;
    }
    #nh-messages::-webkit-scrollbar { width: 4px; }
    #nh-messages::-webkit-scrollbar-track { background: transparent; }
    #nh-messages::-webkit-scrollbar-thumb { background: rgba(37,175,29,0.3); border-radius: 4px; }

    .nh-msg {
      display: flex;
      gap: 8px;
      animation: nh-msgIn 0.2s ease;
    }
    @keyframes nh-msgIn {
      from { opacity:0; transform: translateY(6px); }
      to   { opacity:1; transform: translateY(0); }
    }
    .nh-msg.user { flex-direction: row-reverse; }

    .nh-bubble {
      max-width: 78%;
      padding: 9px 13px;
      border-radius: 14px;
      font-size: 13px;
      line-height: 1.5;
      color: white;
    }
    .nh-msg.bot .nh-bubble {
      background: rgba(37,175,29,0.13);
      border: 1px solid rgba(37,175,29,0.25);
      border-bottom-left-radius: 4px;
    }
    .nh-msg.user .nh-bubble {
      background: rgba(37,175,29,0.85);
      color: #000;
      font-weight: 500;
      border-bottom-right-radius: 4px;
    }

    .nh-msg-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      flex-shrink: 0;
      margin-top: 2px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
    }
    .nh-msg.bot .nh-msg-icon { background: rgba(37,175,29,0.2); }
    .nh-msg.user .nh-msg-icon { background: rgba(37,175,29,0.3); }

    /* Typing indicator */
    #nh-typing {
      display: none;
      gap: 8px;
      align-items: center;
    }
    #nh-typing.visible { display: flex; }
    .nh-typing-dots {
      display: flex;
      gap: 4px;
      padding: 10px 14px;
      background: rgba(37,175,29,0.1);
      border: 1px solid rgba(37,175,29,0.2);
      border-radius: 14px;
      border-bottom-left-radius: 4px;
    }
    .nh-typing-dots span {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #25af1d;
      animation: nh-dot 1.2s infinite;
    }
    .nh-typing-dots span:nth-child(2) { animation-delay: 0.2s; }
    .nh-typing-dots span:nth-child(3) { animation-delay: 0.4s; }
    @keyframes nh-dot {
      0%,60%,100% { transform: translateY(0); opacity:0.5; }
      30%          { transform: translateY(-5px); opacity:1; }
    }

    /* Suggested questions */
    #nh-suggestions {
      padding: 0 14px 10px;
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .nh-suggestion {
      background: rgba(37,175,29,0.1);
      border: 1px solid rgba(37,175,29,0.3);
      color: #25af1d;
      border-radius: 20px;
      padding: 5px 11px;
      font-size: 11.5px;
      cursor: pointer;
      transition: background 0.15s, transform 0.1s;
      font-family: inherit;
    }
    .nh-suggestion:hover {
      background: rgba(37,175,29,0.22);
      transform: translateY(-1px);
    }

    /* Input */
    #nh-chat-footer {
      border-top: 1px solid rgba(37,175,29,0.2);
      padding: 10px 12px;
      display: flex;
      gap: 8px;
      align-items: center;
      background: rgba(5,5,5,0.95);
    }
    #nh-input {
      flex: 1;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(37,175,29,0.3);
      border-radius: 10px;
      color: white;
      font-family: inherit;
      font-size: 13px;
      padding: 9px 12px;
      outline: none;
      transition: border-color 0.15s;
      resize: none;
      height: 38px;
      line-height: 1.4;
    }
    #nh-input:focus { border-color: rgba(37,175,29,0.7); }
    #nh-input::placeholder { color: rgba(255,255,255,0.3); }

    #nh-send-btn {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: #25af1d;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.15s, transform 0.1s;
      flex-shrink: 0;
    }
    #nh-send-btn:hover:not(:disabled) { background: #1d9417; transform: scale(1.05); }
    #nh-send-btn:disabled { background: rgba(37,175,29,0.3); cursor: not-allowed; }
    #nh-send-btn svg { width: 18px; height: 18px; }

    /* Powered by */
    .nh-powered {
      text-align: center;
      font-size: 10px;
      color: rgba(255,255,255,0.2);
      padding: 4px 0 6px;
    }

    /* Mobile */
    @media (max-width: 420px) {
      #nh-chat-panel { width: calc(100vw - 24px); right: 12px; bottom: 84px; }
      #nh-chat-fab { bottom: 16px; right: 16px; }
    }