/* AI Assistant — Offcanvas panel, chat UI, dark mode compatible */

/* Offcanvas panel */
#aiAssistantPanel {
    --ai-panel-width: 420px;
    width: var(--ai-panel-width);
    max-width: 90vw;
    border-left: 1px solid var(--bs-border-color);
}
#aiAssistantPanel .offcanvas-header {
    border-bottom: 1px solid var(--bs-border-color);
    padding: 0.75rem 1rem;
}
#aiAssistantPanel .offcanvas-body {
    padding: 0;
    display: flex;
    flex-direction: column;
}

/* Tabs */
#aiAssistantPanel .nav-tabs {
    padding: 0 0.5rem;
    border-bottom: 1px solid var(--bs-border-color);
    flex-shrink: 0;
}
#aiAssistantPanel .nav-tabs .nav-link {
    font-size: 0.85rem;
    padding: 0.5rem 0.75rem;
}

/* Chat area */
.ai-chat-area {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Message bubbles */
.ai-msg {
    max-width: 92%;
    padding: 0.6rem 0.85rem;
    border-radius: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.5;
    word-wrap: break-word;
}
.ai-msg-user {
    align-self: flex-end;
    background: var(--bs-primary);
    color: #fff;
    border-bottom-right-radius: 0.2rem;
}
.ai-msg-assistant {
    align-self: flex-start;
    background: var(--bs-tertiary-bg);
    color: var(--bs-body-color);
    border-bottom-left-radius: 0.2rem;
}
.ai-msg-error {
    align-self: center;
    background: var(--bs-danger-bg-subtle, #f8d7da);
    color: var(--bs-danger-text-emphasis, #842029);
    font-size: 0.85rem;
    text-align: center;
}

/* Markdown rendering inside assistant messages */
.ai-msg-assistant p {
    margin: 0 0 0.5em;
}
.ai-msg-assistant p:last-child {
    margin-bottom: 0;
}
.ai-msg-assistant code {
    background: var(--bs-body-bg);
    padding: 0.1em 0.35em;
    border-radius: 0.25rem;
    font-size: 0.85em;
}
.ai-msg-assistant pre {
    background: var(--bs-body-bg);
    padding: 0.6rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin: 0.5em 0;
    font-size: 0.82em;
}
.ai-msg-assistant pre code {
    background: none;
    padding: 0;
}
.ai-msg-assistant ul, .ai-msg-assistant ol {
    margin: 0.25em 0;
    padding-left: 1.5em;
}
.ai-msg-assistant strong {
    font-weight: 600;
}
.ai-msg-assistant h1, .ai-msg-assistant h2, .ai-msg-assistant h3 {
    font-size: 1em;
    font-weight: 700;
    margin: 0.5em 0 0.25em;
}

/* Input area */
.ai-input-area {
    flex-shrink: 0;
    border-top: 1px solid var(--bs-border-color);
    padding: 0.75rem;
}
.ai-input-area .input-group {
    gap: 0.5rem;
}
.ai-input-area textarea {
    resize: none;
    font-size: 0.9rem;
    border-radius: 0.5rem;
    max-height: 120px;
}
.ai-input-area .btn {
    border-radius: 0.5rem;
    padding: 0.375rem 0.75rem;
}

/* Suggest form */
.ai-suggest-form textarea {
    resize: vertical;
    min-height: 100px;
    font-size: 0.9rem;
}
.ai-suggest-success {
    text-align: center;
    color: var(--bs-success-text-emphasis, #0f5132);
    padding: 2rem 1rem;
}
.ai-suggest-success i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

/* Typing indicator */
.ai-typing {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.6rem 0.85rem;
    background: var(--bs-tertiary-bg);
    border-radius: 0.75rem;
    border-bottom-left-radius: 0.2rem;
    align-self: flex-start;
}
.ai-typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bs-secondary-color);
    animation: aiTypingBounce 1.2s infinite;
}
.ai-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes aiTypingBounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-4px); opacity: 1; }
}

/* Cost badge */
.ai-cost-badge {
    font-size: 0.75rem;
    color: var(--bs-secondary-color);
    text-align: center;
    padding: 0.25rem;
}

/* Responsive */
@media (max-width: 576px) {
    #aiAssistantPanel {
        --ai-panel-width: 100vw;
    }
}