/* Chatbot Demo */
.chatbot-container {
    background: var(--bg-chatbot);
    border: 1px solid var(--border-subtle);
    border-radius: 0.75rem;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: calc(100dvh - 320px);
    min-height: 400px;
}

/* Mobile chatbot: fill viewport, pin input visible */
@media (max-width: 767px) {
    #chatbot-demo .content-card {
        padding: 0.75rem;
        display: flex;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
    }
    #chatbot-demo .content-card > .mb-6 {
        margin-bottom: 0.5rem;
        padding: 0.75rem;
    }
    #chatbot-demo .content-card > .mb-6 h2 { font-size: 1.25rem; }
    .chatbot-container {
        flex: 1;
        height: auto;
        min-height: 0;
        max-height: calc(100dvh - 160px);
    }
    .chatbot-chips { display: none; }
}

.chatbot-scroll-area {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.chatbot-scroll-area::-webkit-scrollbar { width: 6px; }
.chatbot-scroll-area::-webkit-scrollbar-track { background: transparent; }
.chatbot-scroll-area::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

.chatbot-messages {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chat-msg {
    display: flex;
    max-width: 85%;
    gap: 8px;
    animation: fadeInUp 0.3s ease;
}
.chat-msg-user { align-self: flex-end; flex-direction: row-reverse; }
.chat-msg-assistant { align-self: flex-start; }

.chat-msg-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 2px;
}
.chat-msg-user .chat-msg-avatar {
    background: rgba(14, 165, 233, 0.3);
    color: var(--accent-lighter);
}
.chat-msg-assistant .chat-msg-avatar {
    background: rgba(100, 116, 139, 0.3);
    color: var(--text-dim);
}

.chat-msg-time {
    font-size: 10px;
    color: var(--text-dim);
    margin-top: 4px;
}
.chat-msg-user .chat-msg-time { text-align: right; }

.chat-msg-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
    line-height: 1.5;
    word-wrap: break-word;
}
.chat-msg-user .chat-msg-bubble {
    background: var(--chat-user-bg);
    border: 1px solid var(--chat-user-border);
    color: var(--chat-user-text);
    border-bottom-right-radius: 4px;
}
.chat-msg-assistant .chat-msg-bubble {
    background: var(--chat-assistant-bg);
    border: 1px solid var(--chat-assistant-border);
    color: var(--text-secondary);
    border-bottom-left-radius: 4px;
}

.chatbot-input-area {
    display: flex;
    padding: 12px;
    gap: 8px;
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-chatbot-input);
}

.chatbot-input {
    flex: 1;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 10px 14px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
}
.chatbot-input:focus { border-color: rgba(56, 189, 248, 0.5); }
.chatbot-input::placeholder { color: var(--text-dim); }

.chatbot-send-btn {
    background: var(--accent);
    border: none;
    border-radius: 8px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}
.chatbot-send-btn:hover { background: var(--accent-hover); transform: scale(1.05); }
.chatbot-send-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.chatbot-footer {
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-top: 1px solid var(--border-subtle);
}

.chatbot-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
}
.chatbot-dot-green { background: #10b981; }
.chatbot-dot-gray { background: var(--text-dim); }

.chatbot-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 16px 12px;
}

.chatbot-prompt-chip {
    background: var(--chat-chip-bg);
    border: 1px solid var(--chat-chip-border);
    color: var(--accent-lighter);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}
.chatbot-prompt-chip:hover {
    background: rgba(14, 165, 233, 0.2);
    border-color: rgba(14, 165, 233, 0.4);
}

.chatbot-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0 16px 12px;
}
@media (max-width: 767px) {
    .chatbot-action-more { display: none; }
}
.chatbot-action {
    background: var(--chat-action-bg);
    border: 1px solid var(--chat-action-border);
    color: var(--text-muted);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}
.chatbot-action:hover {
    background: rgba(14, 165, 233, 0.15);
    border-color: rgba(14, 165, 233, 0.35);
    color: var(--accent-lighter);
}
.chatbot-action i {
    font-size: 11px;
}

.typing-indicator {
    display: inline-flex;
    gap: 4px;
    padding: 4px 0;
}
.typing-indicator span {
    width: 6px;
    height: 6px;
    background: var(--text-dim);
    border-radius: 50%;
    animation: typingBounce 1.4s infinite both;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* Chat code blocks */
.chat-code-block {
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    margin: 8px 0;
    position: relative;
    overflow: hidden;
}
.chat-code-block pre { margin: 0; padding: 12px; overflow-x: auto; font-size: 12px; line-height: 1.5; }
.chat-code-block code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    color: var(--text-code);
    white-space: pre;
}
.chat-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px 4px 12px;
    background: var(--bg-code-header);
    border-bottom: 1px solid var(--border-subtle);
}
.chat-code-lang { font-size: 11px; color: var(--text-dim); font-family: 'Inter', sans-serif; }
.chat-code-copy {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 2px 6px;
    font-size: 12px;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
}
.chat-code-copy:hover { color: var(--text-muted); background: var(--border-light); }
.chat-inline-code {
    background: var(--bg-code);
    border: 1px solid var(--border-subtle);
    border-radius: 3px;
    padding: 1px 5px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Courier New', monospace;
    font-size: 0.85em;
    color: var(--text-code);
}

/* Chat markdown elements */
.chat-msg-content { line-height: 1.6; }
.chat-msg-content strong { color: var(--text-heading); font-weight: 700; }
.chat-msg-content em { font-style: italic; color: var(--text-secondary); }
.chat-msg-content del { text-decoration: line-through; opacity: 0.7; }
.chat-msg-content ul, .chat-msg-content ol { margin: 6px 0; padding-left: 20px; }
.chat-msg-content li { margin: 3px 0; line-height: 1.5; }
.chat-msg-content li::marker { color: var(--text-dim); }
.chat-msg-content a { color: var(--accent-lighter); text-decoration: none; }
.chat-msg-content a:hover { text-decoration: underline; }
.chat-msg-content div[style*="font-weight:700"] { color: var(--text-heading); }

/* Tool call indicators */
.chat-tool-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 4px 0;
}
.chat-tool-indicator i { color: #3b82f6; font-size: 0.7rem; }

/* Follow-up suggestion chips */
.chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-subtle);
}
.chat-suggestion-chip {
    background: var(--chat-chip-bg);
    border: 1px solid var(--chat-chip-border);
    color: var(--accent-lighter);
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    line-height: 1.3;
}
.chat-suggestion-chip:hover {
    background: rgba(14, 165, 233, 0.2);
    border-color: rgba(14, 165, 233, 0.4);
}

/* Mermaid diagrams in chat */
.chat-mermaid-block {
    position: relative;
    background: var(--bg-mermaid);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 12px;
    margin: 8px 0;
    overflow-x: auto;
}
[data-theme="light"] .chat-mermaid-block { background: rgba(241, 245, 249, 0.95); }
[data-theme="light"] .chat-mermaid-block .node rect,
[data-theme="light"] .chat-mermaid-block .node polygon,
[data-theme="light"] .chat-mermaid-block .node circle { fill: #dbeafe !important; stroke: #60a5fa !important; }
[data-theme="light"] .chat-mermaid-block .nodeLabel { color: #1e293b !important; }
[data-theme="light"] .chat-mermaid-block .edgeLabel rect,
[data-theme="light"] .chat-mermaid-block .edgeLabel polygon { fill: #e2e8f0 !important; stroke: none !important; }
[data-theme="light"] .chat-mermaid-block .edgeLabel span { color: #334155 !important; }
[data-theme="light"] .chat-mermaid-block .flowchart-link { stroke: #94a3b8 !important; }
[data-theme="light"] .chat-mermaid-block marker path { fill: #94a3b8 !important; stroke: #94a3b8 !important; }
/* Dark mode chatbot mermaid */
.chat-mermaid-block .node rect,
.chat-mermaid-block .node polygon,
.chat-mermaid-block .node circle { fill: #1e3a5f !important; fill-opacity: 0.55 !important; stroke: #3b82f6 !important; }
.chat-mermaid-block .nodeLabel { color: #dbeafe !important; }
.chat-mermaid-block .edgeLabel rect,
.chat-mermaid-block .edgeLabel polygon { fill: #0f172a !important; stroke: none !important; }
.chat-mermaid-block .edgeLabel span { color: #cbd5e1 !important; }
.chat-mermaid-block .flowchart-link { stroke: #64748b !important; }
.chat-mermaid-block marker path { fill: #64748b !important; stroke: #64748b !important; }
.chat-mermaid-block svg { max-width: 100%; height: auto; }
.chat-mermaid-download {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--border-light);
    border: 1px solid var(--border-medium);
    color: var(--text-muted);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 1;
}
.chat-mermaid-download:hover {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border-color: rgba(59, 130, 246, 0.4);
}

/* Chatbot access gate overlay */
.chatbot-gate {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-project);
    z-index: 10;
    border-radius: 0.75rem;
    padding: 32px;
    text-align: center;
}
.chatbot-gate-icon { font-size: 2.5rem; color: var(--text-dim); margin-bottom: 16px; }
.chatbot-gate-title { color: var(--text-primary); font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.chatbot-gate-desc { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 24px; max-width: 280px; }
.chatbot-gate-status { color: var(--text-dim); font-size: 0.75rem; margin-top: 16px; min-height: 1.2em; }