/* Chat Toggle Button */
#ask-ai-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    
    /* Native Material Theme Styling */
    background-color: var(--md-default-bg-color);
    border: 1px solid var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 101;
    transition: all 0.3s;
    opacity: 0.6;
}

#ask-ai-toggle:hover {
    opacity: 1;
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
    transform: scale(1.05);
}

#ask-ai-toggle svg {
    width: 20px;
    height: 20px;
    fill: currentColor; /* Use text color */
}

/* Chat Window */
#ask-ai-window {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 400px; /* Slightly wider */
    height: 600px; /* Slightly taller */
    background-color: var(--md-default-bg-color, #fff);
    border: 1px solid var(--md-default-fg-color--lightest, #e0e0e0);
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12); /* Softer, deeper shadow */
    display: none;
    flex-direction: column;
    z-index: 100;
    overflow: hidden;
    font-family: inherit;
    transition: width 0.3s ease, height 0.3s ease, top 0.3s ease, left 0.3s ease, right 0.3s ease, bottom 0.3s ease;
    max-height: 80vh;
}

#ask-ai-window.expanded {
    width: 800px;
    max-width: calc(100vw - 52px);
    height: 80vh;
}

#ask-ai-window.open {
    display: flex;
}

/* Header - Clean Style */
.ask-ai-header {
    padding: 10px 12px 10px 18px;
    background-color: var(--md-default-bg-color); 
    color: var(--md-default-fg-color);
    border-bottom: 1px solid var(--md-default-fg-color--lightest);
    
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ask-ai-title {
    font-weight: 700;
    font-size: 1.3em;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.ask-ai-title svg {
    color: var(--md-accent-fg-color); /* Keep icon colored for MKDocs recognition */
    transform: translateY(-0.6px); /* 向上移动，调整对齐 */
}

.ask-ai-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.ask-ai-controls button svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.ask-ai-close,
.ask-ai-expand {
    background: none;
    border: none;
    color: var(--md-default-fg-color--light);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    transition: background-color 0.2s, color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ask-ai-close:hover,
.ask-ai-expand:hover {
    background-color: var(--md-default-fg-color--lightest);
    color: var(--md-default-fg-color);
}

/* Messages Area */
.ask-ai-messages {
    flex: 1;
    overflow-y: auto;
    /* 防止滚动链传播到父容器 */
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-color: var(--md-default-bg-color, #fff);
}

/* 自定义滚动条样式 */
.ask-ai-messages::-webkit-scrollbar {
  width: 6px;
}

.ask-ai-messages::-webkit-scrollbar-track {
  background: transparent;
}

.ask-ai-messages::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 3px;
}

.ask-ai-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.2);
}

.ask-ai-message {
    max-width: 88%;
    padding: 12px 16px;
    border-radius: 16px;
    line-height: 1.5;
    font-size: 16px;
    word-wrap: break-word;
}

.ask-ai-message.user {
    align-self: flex-end;
    background-color: var(--md-accent-fg-color, #0052cc);
    color: white;
    border-bottom-right-radius: 4px;
}

.ask-ai-message.assistant {
    align-self: flex-start;
    background-color: var(--md-default-fg-color--lightest, #f5f5f5);
    color: var(--md-default-fg-color, #333);
    border-bottom-left-radius: 4px;
}

/* Dark Mode Adjustments */
[data-md-color-scheme="slate"] .ask-ai-message.assistant {
    background-color: rgba(255,255,255,0.08);
    color: var(--md-default-fg-color);
}
[data-md-color-scheme="slate"] #ask-ai-window {
    border-color: rgba(255,255,255,0.1);
}

/* 深色模式下的滚动条 */
[data-md-color-scheme="slate"] .ask-ai-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
}

[data-md-color-scheme="slate"] .ask-ai-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Input Area */
.ask-ai-input-area {
    padding: 10px 12px;
    border-top: 1px solid var(--md-default-fg-color--lightest, #eee);
    display: flex;
    gap: 10px;
    background-color: var(--md-default-bg-color, #fff);
}

.ask-ai-input {
    flex: 1;
    border: 1px solid var(--md-default-fg-color--lightest, #ddd);
    border-radius: 24px;
    padding: 10px 18px;
    outline: none;
    background-color: transparent;
    color: var(--md-default-fg-color);
    font-size: 16px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.ask-ai-input:focus {
    border-color: var(--md-accent-fg-color, #0052cc);
    box-shadow: 0 0 0 2px rgba(var(--md-accent-fg-color--rgb), 0.1);
}

.ask-ai-send {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--md-accent-fg-color, #0052cc);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.ask-ai-send:disabled {
    background-color: var(--md-default-fg-color--lightest, #ccc);
    cursor: not-allowed;
    box-shadow: none;
    opacity: 0.7;
}

.ask-ai-send:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

/* Markdown Content Styling */
.ask-ai-message.assistant p {
    margin: 0 0 10px 0;
}
.ask-ai-message.assistant p:last-child {
    margin: 0;
}
.ask-ai-message.assistant code {
    background-color: rgba(127,127,127,0.15);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: var(--md-code-font-family, monospace);
}
.ask-ai-message.assistant pre {
    background-color: rgba(127,127,127,0.1);
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 10px 0;
}
.ask-ai-message.assistant pre > code {
    background: transparent;
    padding: 0;
}
.ask-ai-message.assistant ul, .ask-ai-message.assistant ol {
    margin: 0 0 10px 0;
    padding-left: 20px;
}
.ask-ai-message.assistant li {
    margin-bottom: 4px;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 5px;
    padding: 6px 10px;
}
.typing-dot {
    width: 8px;
    height: 8px;
    background-color: currentColor;
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
    opacity: 0.6;
}
.typing-dot:nth-child(1) { animation-delay: -0.32s; }
.typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Mobile Responsiveness */
@media (max-width: 480px) {
    #ask-ai-window {
        width: calc(100% - 30px); /* More margin */
        height: 70vh;
        bottom: 80px;
        right: 15px;
    }

    #ask-ai-window.expanded {
        width: 100% !important;
        height: 100% !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        border-radius: 0;
        z-index: 102; /* Ensure it covers everything */
        max-width: none !important;
        max-height: none !important;
    }
}