/**
 * Agent Fox Client - Theme Enhancements
 *
 * AI 紫色渐变特色 + 暗色模式支持
 * Version: 1.0.0
 */

/* =========================================
   CSS Custom Properties Override
   ========================================= */
:root {
    /* AI 渐变色 */
    --ai-gradient-start: #7c3aed;
    --ai-gradient-end: #4169e1;
    --ai-glow: rgba(124, 58, 237, 0.3);

    /* 增强的用户消息背景 - AI 渐变 */
    --user-message-bg: linear-gradient(135deg, var(--ai-gradient-start) 0%, var(--ai-gradient-end) 100%);

    /* 渐变效果阴影 */
    --ai-shadow: 0 4px 14px rgba(124, 58, 237, 0.25);
    --ai-shadow-hover: 0 6px 20px rgba(124, 58, 237, 0.35);
}

/* =========================================
   暗色模式支持
   ========================================= */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary-color: #6b8cef;
        --primary-color-dark: #4169e1;
        --primary-color-hover: #7d9bf2;
        --text-color: #e4e4e7;
        --muted-text: #a1a1aa;
        --background-color: #0f0f14;
        --container-bg: #1c1c26;
        --assistant-message-bg: transparent;
        --assistant-message-text: #e4e4e7;
        --border-color: rgba(255, 255, 255, 0.08);
        --code-bg: #16161d;
        --code-fg: #e4e4e7;
        --inline-code-bg: rgba(255, 255, 255, 0.08);
        --inline-code-fg: #e4e4e7;
        --link-color: #6b8cef;

        /* AI 渐变色 - 暗色模式 */
        --ai-gradient-start: #a78bfa;
        --ai-gradient-end: #6b8cef;
        --ai-glow: rgba(167, 139, 250, 0.25);
        --user-message-bg: linear-gradient(135deg, var(--ai-gradient-start) 0%, var(--ai-gradient-end) 100%);

        /* 思考面板 - 暗色模式 */
        --thought-bg: #16161d;
        --thought-border: rgba(255, 255, 255, 0.08);
        --thought-text: #a1a1aa;
        --thought-header-hover: rgba(255, 255, 255, 0.05);
    }
}

[data-theme="dark"] {
    --primary-color: #6b8cef;
    --primary-color-dark: #4169e1;
    --text-color: #e4e4e7;
    --muted-text: #a1a1aa;
    --background-color: #0f0f14;
    --container-bg: #1c1c26;
    --assistant-message-text: #e4e4e7;
    --border-color: rgba(255, 255, 255, 0.08);
    --code-bg: #16161d;
    --inline-code-bg: rgba(255, 255, 255, 0.08);
    --inline-code-fg: #e4e4e7;
    --link-color: #6b8cef;
    --ai-gradient-start: #a78bfa;
    --ai-gradient-end: #6b8cef;
    --ai-glow: rgba(167, 139, 250, 0.25);
    --user-message-bg: linear-gradient(135deg, var(--ai-gradient-start) 0%, var(--ai-gradient-end) 100%);
    --thought-bg: #16161d;
    --thought-border: rgba(255, 255, 255, 0.08);
    --thought-text: #a1a1aa;
}

/* =========================================
   用户消息 - AI 渐变背景
   ========================================= */
.lafc-user-message .lafc-message-content {
    background: var(--user-message-bg);
    box-shadow: var(--ai-shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.lafc-user-message .lafc-message-content:hover {
    box-shadow: var(--ai-shadow-hover);
}

/* =========================================
   容器增强
   ========================================= */
#lafc-chat-container {
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* =========================================
   发送按钮 - AI 渐变
   ========================================= */
.lafc-send-btn {
    background: linear-gradient(135deg, var(--ai-gradient-start) 0%, var(--ai-gradient-end) 100%) !important;
    border: none !important;
    box-shadow: var(--ai-shadow);
    transition: box-shadow 0.2s ease, transform 0.2s ease !important;
}

.lafc-send-btn:hover:not(:disabled) {
    box-shadow: var(--ai-shadow-hover);
    transform: translateY(-1px);
}

.lafc-send-btn:active:not(:disabled) {
    transform: translateY(0);
}

/* =========================================
   思考面板增强
   ========================================= */
.lafc-thought-panel {
    background: var(--thought-bg);
    border: 1px solid var(--thought-border);
    border-radius: 12px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.lafc-thought-header {
    border-bottom-color: var(--thought-border);
}

.lafc-thought-header:hover {
    background: var(--thought-header-hover);
}

/* AI 标识渐变 */
.lafc-thought-icon {
    background: linear-gradient(135deg, var(--ai-gradient-start) 0%, var(--ai-gradient-end) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* =========================================
   快速提示按钮增强
   ========================================= */
.lafc-quick-prompts button {
    background: linear-gradient(135deg,
        rgba(124, 58, 237, 0.08) 0%,
        rgba(65, 105, 225, 0.08) 100%
    );
    border: 1px solid rgba(124, 58, 237, 0.15);
    color: var(--text-color);
    transition: all 0.2s ease;
}

.lafc-quick-prompts button:hover {
    background: linear-gradient(135deg,
        rgba(124, 58, 237, 0.15) 0%,
        rgba(65, 105, 225, 0.15) 100%
    );
    border-color: rgba(124, 58, 237, 0.3);
    transform: translateY(-1px);
}

/* =========================================
   滚动条 - 暗色模式
   ========================================= */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .lafc-messages::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.15);
    }
    :root:not([data-theme="light"]) .lafc-messages::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 255, 255, 0.25);
    }
}

[data-theme="dark"] .lafc-messages::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
}
[data-theme="dark"] .lafc-messages::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* =========================================
   深色模式 - 直接元素覆盖
   ========================================= */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .agent-fox-panel,
    :root:not([data-theme="light"]) #lafc-chat-container {
        background: #1c1c26;
        color: #e4e4e7;
    }

    :root:not([data-theme="light"]) .agent-fox-panel__header {
        background: #1c1c26;
        border-bottom-color: rgba(255, 255, 255, 0.08);
    }

    :root:not([data-theme="light"]) .agent-fox-panel__header h3 {
        color: #e4e4e7;
    }

    :root:not([data-theme="light"]) .agent-fox-messages,
    :root:not([data-theme="light"]) .lafc-messages {
        background: #0f0f14;
    }

    :root:not([data-theme="light"]) .agent-fox-input,
    :root:not([data-theme="light"]) .lafc-input-container {
        background: #1c1c26;
        border-top-color: rgba(255, 255, 255, 0.08);
    }

    :root:not([data-theme="light"]) #agent-fox-split-input,
    :root:not([data-theme="light"]) #lafc-query-input,
    :root:not([data-theme="light"]) .lafc-query-input {
        background: #16161d;
        border-color: rgba(255, 255, 255, 0.1);
        color: #e4e4e7;
    }

    :root:not([data-theme="light"]) #agent-fox-split-input::placeholder,
    :root:not([data-theme="light"]) #lafc-query-input::placeholder,
    :root:not([data-theme="light"]) .lafc-query-input::placeholder {
        color: #71717a;
    }

    :root:not([data-theme="light"]) .lafc-welcome p,
    :root:not([data-theme="light"]) .lafc-system-message .lafc-message-content {
        color: #a1a1aa;
    }

    :root:not([data-theme="light"]) .lafc-quick-prompts button {
        background: rgba(255, 255, 255, 0.06);
        color: #a1a1aa;
        border-color: rgba(255, 255, 255, 0.1);
    }

    :root:not([data-theme="light"]) .lafc-quick-prompts button:hover {
        background: rgba(255, 255, 255, 0.1);
        color: #e4e4e7;
    }

    :root:not([data-theme="light"]) .lafc-thought-panel {
        background: #16161d;
        border-color: rgba(255, 255, 255, 0.08);
    }

    :root:not([data-theme="light"]) .lafc-thought-panel summary {
        background: #16161d;
        color: #a1a1aa;
        border-bottom-color: rgba(255, 255, 255, 0.06);
    }

    :root:not([data-theme="light"]) .lafc-thought-body {
        background: #1c1c26;
        color: #a1a1aa;
    }

    :root:not([data-theme="light"]) .lafc-tool-call {
        background: #16161d;
        border-color: rgba(255, 255, 255, 0.08);
    }

    :root:not([data-theme="light"]) .lafc-tool-call summary {
        background: #16161d;
        color: #a1a1aa;
    }

    :root:not([data-theme="light"]) .lafc-tool-call summary:hover {
        background: rgba(255, 255, 255, 0.05);
    }

    :root:not([data-theme="light"]) .lafc-tool-details {
        background: #1c1c26;
        border-color: rgba(255, 255, 255, 0.1);
    }

    :root:not([data-theme="light"]) .markdown-body pre,
    :root:not([data-theme="light"]) .lafc-code {
        background: #16161d;
        border-color: rgba(255, 255, 255, 0.08);
    }

    :root:not([data-theme="light"]) .markdown-body blockquote {
        background: rgba(107, 140, 239, 0.1);
        border-left-color: #6b8cef;
        color: #a1a1aa;
    }
}

/* 手动切换深色模式 - data-theme="dark" */
html[data-theme="dark"] .agent-fox-panel,
body[data-theme="dark"] .agent-fox-panel,
html[data-theme="dark"] #lafc-chat-container,
body[data-theme="dark"] #lafc-chat-container {
    background: #1c1c26 !important;
    color: #e4e4e7 !important;
}

html[data-theme="dark"] .agent-fox-panel__header,
body[data-theme="dark"] .agent-fox-panel__header {
    background: #1c1c26 !important;
    border-bottom-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme="dark"] .agent-fox-panel__header h3,
body[data-theme="dark"] .agent-fox-panel__header h3 {
    color: #e4e4e7 !important;
}

html[data-theme="dark"] .agent-fox-messages,
body[data-theme="dark"] .agent-fox-messages,
html[data-theme="dark"] .lafc-messages,
body[data-theme="dark"] .lafc-messages {
    background: #0f0f14 !important;
}

html[data-theme="dark"] .agent-fox-input,
body[data-theme="dark"] .agent-fox-input,
html[data-theme="dark"] .lafc-input-container,
body[data-theme="dark"] .lafc-input-container {
    background: #1c1c26 !important;
    border-top-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme="dark"] #agent-fox-split-input,
body[data-theme="dark"] #agent-fox-split-input,
html[data-theme="dark"] #lafc-query-input,
body[data-theme="dark"] #lafc-query-input,
html[data-theme="dark"] .lafc-query-input,
body[data-theme="dark"] .lafc-query-input {
    background: #16161d !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #e4e4e7 !important;
}

html[data-theme="dark"] #agent-fox-split-input::placeholder,
body[data-theme="dark"] #agent-fox-split-input::placeholder,
html[data-theme="dark"] #lafc-query-input::placeholder,
body[data-theme="dark"] #lafc-query-input::placeholder,
html[data-theme="dark"] .lafc-query-input::placeholder,
body[data-theme="dark"] .lafc-query-input::placeholder {
    color: #71717a !important;
}

html[data-theme="dark"] .lafc-welcome p,
body[data-theme="dark"] .lafc-welcome p,
html[data-theme="dark"] .lafc-system-message .lafc-message-content,
body[data-theme="dark"] .lafc-system-message .lafc-message-content {
    color: #a1a1aa !important;
}

html[data-theme="dark"] .lafc-quick-prompts button,
body[data-theme="dark"] .lafc-quick-prompts button {
    background: rgba(255, 255, 255, 0.06) !important;
    color: #a1a1aa !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

html[data-theme="dark"] .lafc-quick-prompts button:hover,
body[data-theme="dark"] .lafc-quick-prompts button:hover {
    background: rgba(255, 255, 255, 0.1) !important;
    color: #e4e4e7 !important;
}

html[data-theme="dark"] .lafc-thought-panel,
body[data-theme="dark"] .lafc-thought-panel {
    background: #16161d !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme="dark"] .lafc-thought-panel summary,
body[data-theme="dark"] .lafc-thought-panel summary {
    background: #16161d !important;
    color: #a1a1aa !important;
    border-bottom-color: rgba(255, 255, 255, 0.06) !important;
}

html[data-theme="dark"] .lafc-thought-body,
body[data-theme="dark"] .lafc-thought-body {
    background: #1c1c26 !important;
    color: #a1a1aa !important;
}

html[data-theme="dark"] .lafc-tool-call,
body[data-theme="dark"] .lafc-tool-call {
    background: #16161d !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme="dark"] .lafc-tool-call summary,
body[data-theme="dark"] .lafc-tool-call summary {
    background: #16161d !important;
    color: #a1a1aa !important;
}

html[data-theme="dark"] .lafc-tool-call summary:hover,
body[data-theme="dark"] .lafc-tool-call summary:hover {
    background: rgba(255, 255, 255, 0.05) !important;
}

html[data-theme="dark"] .lafc-tool-details,
body[data-theme="dark"] .lafc-tool-details {
    background: #1c1c26 !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
}

html[data-theme="dark"] .markdown-body pre,
body[data-theme="dark"] .markdown-body pre,
html[data-theme="dark"] .lafc-code,
body[data-theme="dark"] .lafc-code {
    background: #16161d !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
}

html[data-theme="dark"] .markdown-body blockquote,
body[data-theme="dark"] .markdown-body blockquote {
    background: rgba(107, 140, 239, 0.1) !important;
    border-left-color: #6b8cef !important;
    color: #a1a1aa !important;
}

/* Split panel 深色模式 */
html[data-theme="dark"] .split-panel-container,
body[data-theme="dark"] .split-panel-container {
    background: #1c1c26 !important;
    box-shadow: -2px 0 12px rgba(0, 0, 0, 0.4) !important;
}

html[data-theme="dark"] .split-divider,
body[data-theme="dark"] .split-divider {
    background: rgba(255, 255, 255, 0.1) !important;
}

html[data-theme="dark"] .split-divider:hover,
body[data-theme="dark"] .split-divider:hover,
html[data-theme="dark"] .split-divider.dragging,
body[data-theme="dark"] .split-divider.dragging {
    background: #6b8cef !important;
}

/* 按钮深色模式 */
html[data-theme="dark"] .agent-fox-panel__close,
body[data-theme="dark"] .agent-fox-panel__close {
    color: #a1a1aa !important;
}

html[data-theme="dark"] .agent-fox-panel__close:hover,
body[data-theme="dark"] .agent-fox-panel__close:hover {
    color: #e4e4e7 !important;
}

html[data-theme="dark"] .lafc-send-button,
body[data-theme="dark"] .lafc-send-button,
html[data-theme="dark"] #agent-fox-split-submit,
body[data-theme="dark"] #agent-fox-split-submit {
    background: linear-gradient(135deg, #a78bfa 0%, #6b8cef 100%) !important;
    box-shadow: 0 2px 8px rgba(167, 139, 250, 0.3) !important;
}

html[data-theme="dark"] .lafc-send-button:hover:not(:disabled),
body[data-theme="dark"] .lafc-send-button:hover:not(:disabled),
html[data-theme="dark"] #agent-fox-split-submit:hover:not(:disabled),
body[data-theme="dark"] #agent-fox-split-submit:hover:not(:disabled) {
    box-shadow: 0 4px 12px rgba(167, 139, 250, 0.4) !important;
}

html[data-theme="dark"] .lafc-send-button:disabled,
body[data-theme="dark"] .lafc-send-button:disabled,
html[data-theme="dark"] #agent-fox-split-submit:disabled,
body[data-theme="dark"] #agent-fox-split-submit:disabled {
    background: #3f3f46 !important;
    box-shadow: none !important;
}

html[data-theme="dark"] .lafc-stop-button,
body[data-theme="dark"] .lafc-stop-button,
html[data-theme="dark"] #agent-fox-split-stop,
body[data-theme="dark"] #agent-fox-split-stop {
    background: #ef4444 !important;
}

html[data-theme="dark"] .lafc-stop-button:hover,
body[data-theme="dark"] .lafc-stop-button:hover,
html[data-theme="dark"] #agent-fox-split-stop:hover,
body[data-theme="dark"] #agent-fox-split-stop:hover {
    background: #dc2626 !important;
}

/* 思考模式标签深色模式 */
html[data-theme="dark"] .lafc-thinking-tag,
body[data-theme="dark"] .lafc-thinking-tag {
    background: #27272a !important;
    color: #71717a !important;
}

html[data-theme="dark"] .lafc-thinking-tag:hover,
body[data-theme="dark"] .lafc-thinking-tag:hover {
    background: #3f3f46 !important;
    color: #a1a1aa !important;
}

html[data-theme="dark"] .lafc-thinking-tag.active,
body[data-theme="dark"] .lafc-thinking-tag.active {
    background: rgba(34, 197, 94, 0.15) !important;
    color: #4ade80 !important;
}

html[data-theme="dark"] .lafc-thinking-tag.active:hover,
body[data-theme="dark"] .lafc-thinking-tag.active:hover {
    background: rgba(34, 197, 94, 0.25) !important;
}

/* 消息操作按钮深色模式 */
html[data-theme="dark"] .lafc-msg-actions button,
body[data-theme="dark"] .lafc-msg-actions button {
    color: #71717a !important;
}

html[data-theme="dark"] .lafc-msg-actions button:hover,
body[data-theme="dark"] .lafc-msg-actions button:hover {
    color: #a1a1aa !important;
    background: rgba(255, 255, 255, 0.06) !important;
}

html[data-theme="dark"] .lafc-msg-actions button.copied,
body[data-theme="dark"] .lafc-msg-actions button.copied {
    color: #4ade80 !important;
}

/* 重试按钮深色模式 */
html[data-theme="dark"] .lafc-retry-btn,
body[data-theme="dark"] .lafc-retry-btn {
    background: #ef4444 !important;
}

html[data-theme="dark"] .lafc-retry-btn:hover,
body[data-theme="dark"] .lafc-retry-btn:hover {
    background: #dc2626 !important;
}

/* 代码复制按钮深色模式 */
html[data-theme="dark"] .lafc-code-copy-btn,
body[data-theme="dark"] .lafc-code-copy-btn {
    background: #27272a !important;
    border-color: rgba(255, 255, 255, 0.1) !important;
    color: #a1a1aa !important;
}

html[data-theme="dark"] .lafc-code-copy-btn:hover,
body[data-theme="dark"] .lafc-code-copy-btn:hover {
    background: #3f3f46 !important;
}

/* Toggle 按钮深色模式 */
html[data-theme="dark"] .split-toggle-btn,
body[data-theme="dark"] .split-toggle-btn {
    background: linear-gradient(135deg, #a78bfa 0%, #6b8cef 100%) !important;
}

html[data-theme="dark"] .split-toggle-btn:hover,
body[data-theme="dark"] .split-toggle-btn:hover {
    background: linear-gradient(135deg, #c4b5fd 0%, #93c5fd 100%) !important;
}

/* =========================================
   焦点状态增强 (可访问性)
   ========================================= */
.lafc-send-btn:focus-visible,
.lafc-input-area textarea:focus-visible,
.lafc-quick-prompts button:focus-visible {
    outline: 2px solid var(--ai-gradient-start);
    outline-offset: 2px;
}

/* =========================================
   Reduced Motion Support
   ========================================= */
@media (prefers-reduced-motion: reduce) {
    .lafc-user-message .lafc-message-content,
    .lafc-send-btn,
    .lafc-quick-prompts button,
    .lafc-tool-call,
    #lafc-chat-container {
        transition: none !important;
    }
}