:root {
      --jeepno-yellow: #FDC400;
      --jeepno-pink: #FF5E9E;
      --jeepno-skyblue: #4FC1F7;
      --jeepno-indigo: #3A55D1;
      --jeepno-purple: #A044FF;
      --jeepno-dark: #0f0f1a;
      --jeepno-navy: #1a1a2e;
      --safe-area-inset-bottom: env(safe-area-inset-bottom);
      --safe-area-inset-top: env(safe-area-inset-top);
    }

    * { box-sizing: border-box; margin:0; padding:0; }

    body.chat-open { overflow: hidden; touch-action: none; }

    #chat-widget {
      position: fixed;
      bottom: calc(20px + var(--safe-area-inset-bottom));
      right: 20px;
      z-index: 10001;
    }

    #chat-icon {
      width: 64px;
      height: 64px;
      background: linear-gradient(135deg, var(--jeepno-yellow), var(--jeepno-pink));
      color: white;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 8px 32px rgba(253,196,0,0.45);
      font-size: 30px;
      transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      border: 3px solid rgba(255,255,255,0.35);
    }

    #chat-icon:hover, #chat-icon:active {
      transform: scale(1.18) rotate(15deg);
      box-shadow: 0 12px 40px rgba(255,94,158,0.5);
    }

    #chat-window {
      display: none;
      flex-direction: column;
      background: var(--jeepno-navy);
      border-radius: 28px;
      box-shadow: 0 24px 80px rgba(0,0,0,0.6);
      overflow: hidden;
      border: 1px solid rgba(79,193,247,0.25);
      position: fixed;
      z-index: 10000;
      opacity: 0;
      transform: translateY(30px) scale(0.94);
      transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    }

    #chat-window.visible {
      opacity: 1;
      transform: translateY(0) scale(1);
    }

    @media (min-width: 481px) {
      #chat-window {
        width: 390px;
        height: 540px;
        bottom: calc(90px + var(--safe-area-inset-bottom));
        right: 20px;
      }
    }

    @media (max-width: 480px) {
      #chat-window {
        width: 100vw;
        height: 100dvh;
        bottom: 0 !important;
        right: 0 !important;
        border-radius: 0;
        border: none;
      }
      #chat-icon {
        bottom: calc(16px + var(--safe-area-inset-bottom));
        right: 16px;
      }
    }

    #chat-header {
      background: linear-gradient(135deg, var(--jeepno-indigo), var(--jeepno-purple));
      color: white;
      padding: 16px 20px;
      font-weight: 700;
      font-size: 1.25rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: calc(16px + var(--safe-area-inset-top));
      flex-shrink: 0;
    }

    #chat-body {
      flex: 1;
      padding: 20px;
      overflow-y: auto;
      background: linear-gradient(to bottom, var(--jeepno-navy), #12121f);
      -webkit-overflow-scrolling: touch;
      scroll-behavior: smooth;
    }

    .message-wrapper {
      display: flex;
      align-items: flex-end;
      margin: 16px 0;
      opacity: 0;
      transform: translateY(15px);
      animation: messageFadeIn 0.35s forwards ease-out;
    }

    .message-wrapper.user {
      flex-direction: row-reverse;
    }

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

    .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      margin: 0 12px;
      flex-shrink: 0;
      object-fit: cover;
      border: 2px solid rgba(255,255,255,0.15);
      box-shadow: 0 3px 12px rgba(0,0,0,0.4);
    }

    .message {
      padding: 13px 19px;
      border-radius: 24px;
      max-width: 75%;
      font-size: 15.5px;
      line-height: 1.5;
      word-break: break-word;
      hyphens: auto;
    }

    .user-message {
      background: var(--jeepno-yellow);
      color: #0f0f1a;
      border-bottom-right-radius: 8px;
      font-weight: 500;
    }

    .bot-message {
      background: rgba(79,193,247,0.20);
      color: white;
      border-bottom-left-radius: 8px;
      border: 1px solid rgba(79,193,247,0.35);
    }

    .typing-indicator {
      display: flex;
      gap: 7px;
      padding: 13px 19px;
      background: rgba(160,68,255,0.18);
      border-radius: 24px;
      width: fit-content;
      border: 1px solid rgba(160,68,255,0.35);
    }

    .dot {
      width: 9px; height: 9px;
      background: var(--jeepno-yellow);
      border-radius: 50%;
      animation: typingBounce 1.4s infinite ease-in-out;
    }
    .dot:nth-child(2) { background: var(--jeepno-pink); animation-delay: 0.18s; }
    .dot:nth-child(3) { background: var(--jeepno-skyblue); animation-delay: 0.36s; }

    @keyframes typingBounce {
      0%, 80%, 100% { transform: translateY(0); }
      40% { transform: translateY(-7px); }
    }

    #chat-input-area {
      padding: 16px 20px;
      background: var(--jeepno-navy);
      border-top: 1px solid rgba(79,193,247,0.20);
      display: flex;
      gap: 12px;
      padding-bottom: calc(16px + var(--safe-area-inset-bottom));
      flex-shrink: 0;
    }

    #chat-input {
      flex: 1;
      padding: 13px 18px;
      border: 2px solid rgba(253,196,0,0.35);
      border-radius: 32px;
      background: rgba(255,255,255,0.07);
      color: white;
      font-size: 15.5px;
      outline: none;
      min-height: 50px;
      transition: all 0.25s;
    }

    #chat-input:focus {
      border-color: var(--jeepno-yellow);
      box-shadow: 0 0 0 4px rgba(253,196,0,0.25);
    }

    #send-btn {
      width: 50px;
      height: 50px;
      background: linear-gradient(135deg, var(--jeepno-pink), var(--jeepno-purple));
      border-radius: 50%;
      color: white;
      border: none;
      font-size: 20px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
    }

    #send-btn:active { transform: scale(0.9); }

    @media (max-width: 480px) {
      #chat-body { padding: 16px; }
      .message { font-size: 15px; max-width: 82%; }
      .avatar { width: 36px; height: 36px; margin: 0 10px; }
      #chat-header { font-size: 1.2rem; padding: 14px 16px; }
    }