.pp-chatbot-fab {
    position: fixed;
    right: 20px;
    bottom: 88px;
    z-index: 1100;
    background: linear-gradient(135deg, var(--blue, #2A75BB), #1f5a94);
    color: #fff;
    border: 0;
    border-radius: 999px;
    padding: 12px 20px;
    font-weight: 800;
    font-size: 0.92rem;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(42, 117, 187, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.pp-chatbot-fab:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(42, 117, 187, 0.45); }
.pp-chatbot-panel {
    position: fixed;
    right: 20px;
    bottom: 148px;
    z-index: 1101;
    width: min(400px, calc(100vw - 40px));
    height: min(560px, calc(100vh - 180px));
    background: var(--surface, #fff);
    border: 1.5px solid var(--border, rgba(42,117,187,0.16));
    border-radius: 18px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.18);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.pp-chatbot-panel.hidden { display: none; }
.pp-chatbot-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 16px;
    background: linear-gradient(135deg, #FFCB05, #f5b800);
    border-bottom: 2px solid rgba(42,117,187,0.2);
}
.pp-chatbot-head-info { display: flex; align-items: center; gap: 10px; min-width: 0; }
.pp-chatbot-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--blue, #2A75BB); color: #fff;
    display: grid; place-items: center; font-size: 1.2rem; flex-shrink: 0;
}
.pp-chatbot-head strong { display: block; font-size: 1rem; color: var(--blue-dark, #1f5a94); }
.pp-chatbot-head span { font-size: 0.78rem; color: var(--text-2, #5a6285); }
.pp-chatbot-close {
    border: 0; background: transparent; font-size: 1.2rem; cursor: pointer;
    color: var(--blue-dark, #1f5a94); padding: 4px 8px;
}
.pp-chatbot-messages {
    flex: 1; overflow-y: auto; padding: 16px;
    display: flex; flex-direction: column; gap: 12px;
    background: var(--surface-2, #eef2ff);
}
.pp-chat-msg { max-width: 88%; display: flex; flex-direction: column; gap: 4px; }
.pp-chat-msg.user { align-self: flex-end; align-items: flex-end; }
.pp-chat-msg.bot { align-self: flex-start; align-items: flex-start; }
.pp-chat-bubble {
    padding: 10px 14px; border-radius: 14px; line-height: 1.5;
    font-size: 0.92rem; white-space: pre-wrap; word-break: break-word;
}
.pp-chat-msg.user .pp-chat-bubble {
    background: var(--blue, #2A75BB); color: #fff;
    border-bottom-right-radius: 4px;
}
.pp-chat-msg.bot .pp-chat-bubble {
    background: var(--surface, #fff); color: var(--text, #1a1d2e);
    border: 1.5px solid var(--border, rgba(42,117,187,0.16));
    border-bottom-left-radius: 4px;
}
.pp-chat-meta { font-size: 0.72rem; color: var(--text-2, #5a6285); padding: 0 4px; }
.pp-chatbot-typing {
    padding: 8px 14px; font-size: 0.85rem; color: var(--text-2, #5a6285);
    font-style: italic;
}
.pp-chatbot-foot {
    padding: 12px; border-top: 1.5px solid var(--border, rgba(42,117,187,0.16));
    background: var(--surface, #fff);
}
.pp-chatbot-form { display: flex; gap: 8px; align-items: flex-end; }
.pp-chatbot-form textarea {
    flex: 1; resize: none; min-height: 42px; max-height: 120px;
    border: 2px solid var(--border, rgba(42,117,187,0.16));
    border-radius: 12px; padding: 10px 12px; font: inherit;
    background: var(--surface-2, #eef2ff);
}
.pp-chatbot-form textarea:focus { outline: none; border-color: var(--blue, #2A75BB); }
.pp-chatbot-send {
    border: 0; border-radius: 12px; padding: 10px 16px;
    background: var(--blue, #2A75BB); color: #fff; font-weight: 800;
    cursor: pointer; flex-shrink: 0;
}
.pp-chatbot-send:disabled { opacity: 0.5; cursor: not-allowed; }
.pp-chatbot-error {
    margin: 0 12px 8px; padding: 10px 12px; border-radius: 10px;
    background: rgba(229,62,62,0.1); color: #c53030; font-size: 0.85rem;
}
body.dark .pp-chatbot-panel { background: #1a1d2e; }
body.dark .pp-chat-msg.bot .pp-chat-bubble { background: #252a3d; color: #e8ecff; }
body.dark .pp-chatbot-messages { background: #141824; }
@media (max-width: 480px) {
    .pp-chatbot-panel { right: 10px; left: 10px; width: auto; bottom: 140px; }
    .pp-chatbot-fab { right: 10px; bottom: 76px; }
}

/* Markdown in bot bubbles */
.pp-chat-msg.bot .pp-chat-bubble { white-space: normal; }
.pp-chat-msg.bot .pp-chat-p { margin: 0 0 8px; }
.pp-chat-msg.bot .pp-chat-p:last-child { margin-bottom: 0; }
.pp-chat-msg.bot .pp-chat-h { margin: 10px 0 6px; font-size: 0.95rem; color: var(--blue, #2A75BB); }
.pp-chat-msg.bot .pp-chat-list { margin: 6px 0 10px 18px; padding: 0; }
.pp-chat-msg.bot .pp-chat-list li { margin-bottom: 4px; }
.pp-chat-msg.bot .pp-chat-inline {
    background: rgba(42,117,187,0.1); padding: 1px 5px; border-radius: 4px;
    font-size: 0.86em; font-family: ui-monospace, monospace;
}
.pp-chat-msg.bot .pp-chat-code {
    background: #1a1d2e; color: #e8ecff; padding: 10px 12px; border-radius: 8px;
    overflow-x: auto; font-size: 0.82rem; margin: 8px 0;
}
.pp-chat-msg.bot a { color: var(--blue, #2A75BB); text-decoration: underline; }