/* --- START OF FILE style.css --- */
:root {
    /* 简约温馨色彩系统 */
    --warm-bg: #FAF9F7;           /* 全局背景：极浅的暖燕麦色 */
    --warm-surface: #FFFFFF;      /* 面板背景：纯白 */
    --warm-surface-hover: #F2EFE9;/* 面板悬浮色 */
    --warm-primary: #C5A880;      /* 主色调：暖卡其/原木色 */
    --warm-primary-hover: #B4966D;
    --warm-text-main: #4A443D;    /* 主文本：深褐色 */
    --warm-text-light: #8C857B;   /* 次文本：浅褐色 */
    --warm-border: #E8E5DF;       /* 边框色：柔和过渡 */
    --bubble-user: #F0EBE1;       /* 用户气泡色 */
    --bubble-ai: #FFFFFF;         /* AI气泡色 */
    --danger: #D98880;            /* 温和的危险红 */
    --shadow-soft: 0 8px 24px rgba(160, 150, 140, 0.08); /* 弥散阴影 */
    --shadow-float: 0 12px 32px rgba(160, 150, 140, 0.12);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
}

body { 
    margin: 0; 
    height: 100vh; 
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; 
    background-color: var(--warm-bg); 
    color: var(--warm-text-main);
    user-select: none; 
    display: flex; 
}

/* 核心布局约束 */
#app-container {
    display: flex;
    width: 100vw;
    height: 100vh;
    background: var(--warm-bg);
}

/* 侧边栏 */
#sidebar { 
    width: 340px; 
    background: var(--warm-bg); 
    display: flex; 
    flex-direction: column; 
    padding: 24px 20px; 
    box-sizing: border-box;
    border-right: 1px solid var(--warm-border);
    position: relative;
    transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.session-list-wrapper { flex: 1; overflow-y: auto; margin: 0 0 16px 0; }
.session-list-wrapper::-webkit-scrollbar { width: 4px; }
.session-list-wrapper::-webkit-scrollbar-thumb { background: #DCD8D0; border-radius: 4px; }

#session-list { list-style: none; padding: 0; margin: 0; }
#session-list li { 
    padding: 12px 16px; 
    margin-bottom: 8px; 
    cursor: pointer; 
    border-radius: var(--radius-md); 
    display: flex; 
    justify-content: space-between; 
    align-items: center;
    color: var(--warm-text-main);
    font-size: 14px;
    transition: background 0.2s ease;
}
#session-list li:hover { background: var(--warm-surface-hover); }
#session-list li.active { background: var(--warm-surface); box-shadow: var(--shadow-soft); font-weight: 500; }

.sidebar-footer { display: flex; flex-direction: column; gap: 8px; }

/* 按钮通用 */
button { font-family: inherit; cursor: pointer; border: none; transition: all 0.2s ease; font-size: 14px; }
button:disabled { opacity: 0.6; cursor: not-allowed !important; }

.btn-primary { background: var(--warm-primary); color: white; padding: 12px; border-radius: var(--radius-md); font-weight: 500; }
.btn-primary:hover:not(:disabled) { background: var(--warm-primary-hover); }

.btn-ghost { background: transparent; color: var(--warm-text-main); padding: 10px; border-radius: var(--radius-md); text-align: left; }
.btn-ghost:hover { background: var(--warm-surface-hover); }

.btn-danger-text { background: transparent; color: var(--danger); padding: 10px; border-radius: var(--radius-md); text-align: left; }
.btn-danger-text:hover { background: #FDF0EF; }

.icon-btn { background: transparent; color: var(--warm-text-light); font-size: 18px; padding: 8px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }
.icon-btn:hover { background: var(--warm-surface-hover); color: var(--warm-text-main); }

/* 右侧主对话区 */
#main-chat { 
    flex: 1; 
    display: flex; 
    flex-direction: column; 
    min-width: 0; 
    background: var(--warm-surface);
    margin: 16px 16px 16px 0;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

#chat-header { 
    padding: 16px 24px; 
    display: flex; 
    justify-content: flex-end; 
    font-size: 13px; 
    color: var(--warm-text-light); 
    border-bottom: 1px solid var(--warm-border); 
}

#chat-box { 
    flex: 1; 
    overflow-y: auto; 
    padding: 32px; 
    display: flex; 
    flex-direction: column; 
    gap: 24px; 
    user-select: text; 
    scroll-behavior: smooth;
}
#chat-box::-webkit-scrollbar { width: 6px; }
#chat-box::-webkit-scrollbar-thumb { background: #E8E5DF; border-radius: 4px; }

/* 动态生成的聊天气泡 */
.msg { 
    max-width: 80%; 
    padding: 16px 20px; 
    border-radius: var(--radius-lg); 
    line-height: 1.6; 
    position: relative; 
    user-select: text;
    font-size: 15px;
} 
.msg.user { 
    background: var(--bubble-user); 
    color: var(--warm-text-main); 
    align-self: flex-end; 
    border-bottom-right-radius: 4px;
}
.msg.assistant { 
    background: var(--bubble-ai); 
    color: var(--warm-text-main); 
    align-self: flex-start; 
    border: 1px solid var(--warm-border);
    border-bottom-left-radius: 4px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.02);
}

.msg-top-meta { font-size: 12px; margin-bottom: 8px; color: var(--warm-text-light); }
.msg-top-meta .model-name-span { font-weight: 500; margin-right: 6px; }

.msg-actions { font-size: 13px; margin-top: 12px; text-align: right; user-select: none; }
.msg-actions a { color: var(--warm-primary); cursor: pointer; text-decoration: none; margin-left: 16px; opacity: 0; transition: opacity 0.2s; }
.msg:hover .msg-actions a { opacity: 1; }

.msg-actions.locked .action-btn { display: none !important; }
.thinking-label { display: none; color: var(--warm-primary); margin-right: 15px; font-style: italic; }
.msg-actions.locked .thinking-label { display: inline-block; animation: blink 1.5s infinite; }
@keyframes blink { 0%, 100% { opacity: 0.4; } 50% { opacity: 1; } }

/* Markdown 内容渲染覆盖 */
.msg div[id^="content-"] { white-space: pre-wrap; word-break: break-word; }
.msg.assistant pre { background: var(--warm-bg); padding: 16px; border-radius: var(--radius-md); overflow-x: auto; border: 1px solid var(--warm-border); }
.msg.assistant code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; font-size: 0.9em; background: rgba(0,0,0,0.04); padding: 2px 4px; border-radius: 4px; }
.msg.assistant pre code { background: transparent; padding: 0; }
.msg.assistant table { width: 100%; border-collapse: collapse; margin: 10px 0; }
.msg.assistant th, .msg.assistant td { border: 1px solid var(--warm-border); padding: 8px 12px; }
.msg.assistant th { background: var(--warm-bg); font-weight: 500; }

/* 思维链区域 */
.thought-process { font-size: 14px; color: var(--warm-text-light); background: var(--warm-bg); border-left: 3px solid var(--warm-primary); padding: 12px 16px; margin-bottom: 16px; border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.thought-process summary { cursor: pointer; font-weight: 500; outline: none; user-select: none; }
.thought-content { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--warm-border); }

/* 输入区约束 */
#input-area-wrapper { padding: 0 32px 32px 32px; background: transparent; }
#input-area { 
    display: flex; 
    gap: 12px; 
    align-items: flex-end; 
    background: var(--warm-bg); 
    padding: 12px 16px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--warm-border);
    transition: border-color 0.3s, box-shadow 0.3s;
}
#input-area:focus-within { border-color: var(--warm-primary); box-shadow: 0 0 0 3px rgba(197, 168, 128, 0.1); }
#msg-input { 
    flex: 1; 
    height: 48px; 
    max-height: 120px;
    resize: none; 
    padding: 12px 0; 
    font-family: inherit; 
    font-size: 15px;
    border: none; 
    background: transparent;
    color: var(--warm-text-main);
    outline: none;
    line-height: 1.5;
}
#msg-input::placeholder { color: var(--warm-text-light); }
#send-btn { padding: 12px 24px; border-radius: var(--radius-md); }

/* 工作区与附件 */
#workspace-panel { padding: 16px 32px; background: var(--warm-surface); border-top: 1px solid var(--warm-border); max-height: 120px; overflow-y: auto; }
.workspace-header { font-size: 12px; color: var(--warm-text-light); font-weight: 500; margin-bottom: 12px; }
#workspace-list { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
#workspace-list li { font-size: 13px; padding: 6px 12px; display: flex; justify-content: space-between; align-items: center; background: var(--warm-bg); border-radius: 20px; border: 1px solid var(--warm-border); }
.workspace-del-btn { background: var(--warm-text-light); color: white; border-radius: 50%; width: 18px; height: 18px; display: flex; justify-content: center; align-items: center; font-size: 10px; margin-left: 8px; opacity: 0.7; }
.workspace-del-btn:hover { background: var(--danger); opacity: 1; }

#file-indicators { display: flex; flex-wrap: wrap; gap: 8px; padding: 12px 32px; }
.file-badge { background: var(--warm-bg); border-radius: 20px; padding: 6px 12px; font-size: 13px; display: flex; align-items: center; gap: 8px; border: 1px solid var(--warm-border); }
.file-badge button { background: var(--warm-text-light); color: white; border-radius: 50%; width: 18px; height: 18px; font-size: 10px; display: flex; align-items: center; justify-content: center; padding: 0; opacity: 0.7; }
.file-badge button:hover { background: var(--danger); opacity: 1; }

/* 表单输入与设置控件 */
.soft-input { width: 100%; padding: 10px 12px; box-sizing: border-box; border: 1px solid var(--warm-border); border-radius: var(--radius-sm); font-family: inherit; font-size: 14px; background: var(--warm-surface); color: var(--warm-text-main); outline: none; transition: border 0.2s; }
.soft-input:focus { border-color: var(--warm-primary); }
.settings-group { background: var(--warm-surface); border: 1px solid var(--warm-border); padding: 20px; border-radius: var(--radius-md); margin-bottom: 16px; }
.settings-group h4 { margin: 0 0 16px 0; color: var(--warm-text-main); font-weight: 500; }
.settings-group label { display: block; margin-bottom: 12px; font-size: 14px; color: var(--warm-text-main); }
.checkbox-label { display: flex; align-items: center; gap: 8px; cursor: pointer; margin-top: 8px; }
.checkbox-label input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--warm-primary); cursor: pointer; }

/* 模态框统一样式 */
.modal, .universal-modal { display: none; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(60, 56, 52, 0.4); backdrop-filter: blur(4px); z-index: 1000; align-items: center; justify-content: center; }
.modal-content, .universal-modal-content { background: var(--warm-surface); width: 440px; max-width: 90%; max-height: 85vh; padding: 32px; border-radius: var(--radius-lg); box-shadow: var(--shadow-float); overflow-y: auto; position: relative; }
.modal-content { position: static !important; transform: none !important; margin: auto; }
.modal { display: none; }

.modal-title, .universal-modal-header { margin: 0 0 24px 0; font-size: 18px; font-weight: 600; color: var(--warm-text-main); border: none; padding: 0; }
.modal-desc { font-size: 13px; color: var(--warm-text-light); line-height: 1.5; margin-bottom: 24px; }
.modal-actions, .universal-modal-footer { margin-top: 24px; display: flex; justify-content: flex-end; gap: 12px; border: none; padding: 0; }

.universal-modal-body { font-size: 15px; line-height: 1.6; color: var(--warm-text-main); margin-bottom: 24px; user-select: text; }
.universal-modal-body input, .universal-modal-body textarea { width: 100%; padding: 10px; border: 1px solid var(--warm-border); border-radius: var(--radius-sm); font-family: inherit; box-sizing: border-box; outline: none; }
.universal-modal-body input:focus, .universal-modal-body textarea:focus { border-color: var(--warm-primary); }

/* 登录框专用 */
.auth-modal { z-index: 3000; }
.auth-content { width: 360px; text-align: center; padding: 40px; }
.auth-header { margin-bottom: 32px; }
.auth-header h2 { margin: 0 0 8px 0; font-size: 28px; color: var(--warm-primary); font-weight: 600; }
.auth-header p { margin: 0; font-size: 14px; color: var(--warm-text-light); }
.auth-input-group { margin-bottom: 16px; text-align: left; }
.auth-error { color: var(--danger); font-size: 13px; margin-bottom: 16px; background: #FDF0EF; padding: 10px; border-radius: var(--radius-sm); }
.auth-btn { width: 100%; padding: 14px; font-size: 15px; margin-top: 8px; }

/* PromptFlux UI 覆盖 */
.flux-modal-layout { width: 700px; max-width: 90vw; }
.flux-block { background: var(--warm-bg); border: 1px solid var(--warm-border); padding: 16px; border-radius: var(--radius-md); margin-bottom: 16px; }
.flux-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 14px; }
.flux-header label { color: var(--warm-text-main); font-weight: 500; }
.flux-header label code { background: rgba(0,0,0,0.05); padding: 2px 6px; border-radius: 4px; font-family: monospace; color: var(--warm-primary); }
.flux-name, .flux-role, .flux-content { border: 1px solid var(--warm-border); border-radius: var(--radius-sm); padding: 8px 12px; font-family: inherit; font-size: 13px; outline: none; background: var(--warm-surface); }
.flux-content { width: 100%; height: 80px; resize: vertical; box-sizing: border-box; }
.flux-name:focus, .flux-role:focus, .flux-content:focus { border-color: var(--warm-primary); }

/* 右键菜单 */
.context-menu { position: absolute; background: var(--warm-surface); border: 1px solid var(--warm-border); box-shadow: var(--shadow-float); border-radius: var(--radius-md); z-index: 9999; padding: 8px 0; min-width: 160px; font-size: 14px; overflow: hidden; }
.menu-item { padding: 10px 16px; cursor: pointer; color: var(--warm-text-main); transition: background 0.1s; }
.menu-item:hover { background: var(--warm-bg); }
.menu-item.danger { color: var(--danger); }
.menu-item.danger:hover { background: #FDF0EF; }
.menu-separator { height: 1px; background: var(--warm-border); margin: 4px 0; }

/* 杂项 */
#global-debug-banner { background: #FDF0EF; color: var(--danger); padding: 12px 24px; font-size: 13px; display: flex; justify-content: space-between; align-items: center; }
.spin-icon { display: inline-block; animation: spin 2s linear infinite; font-size: 14px; margin-left: 8px; opacity: 0.7; }
@keyframes spin { 100% { transform: rotate(360deg); } }

/* =========================================
   空行与段落间距调整
========================================= */

/* 1. 缩小 AI 回复中 Markdown 段落之间的上下间距 */
.msg.assistant p { 
    margin: 8px 0; 
}
.msg.assistant p:first-child { margin-top: 0; }
.msg.assistant p:last-child { margin-bottom: 0; }

/* 2. 针对 Markdown 渲染出的纯空行（空的 p 标签），强行压缩其高度 */
.msg.assistant p:empty { 
    margin: 0; 
    height: 6px; /* 此处数值越小，空行越窄 */
}

/* 3. 针对用户输入内容的纯文本换行进行整体视觉微调 */
.msg.user div[id^="content-"] {
    line-height: 1.4; /* 使得连续换行看起来更紧凑 */
}

/* =========================================
   侧边栏折叠按钮与动画
========================================= */

/* 折叠时通过负边距将侧边栏推出屏幕 */
#sidebar.collapsed {
    margin-left: -340px;
}

/* 悬浮在边缘的胶囊按钮 */
#sidebar-toggle {
    position: absolute;
    top: 50%;
    right: -14px; /* 让按钮一半悬空在分割线上 */
    transform: translateY(-50%);
    width: 28px;
    height: 64px;
    background: var(--warm-surface);
    border: 1px solid var(--warm-border);
    border-radius: 14px;
    color: var(--warm-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    box-shadow: 2px 0 8px rgba(160, 150, 140, 0.08);
    font-size: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    padding: 0;
}

#sidebar-toggle:hover {
    background: var(--warm-bg);
    color: var(--warm-primary);
}

/* 当侧边栏折叠时，按钮吸附在屏幕最左侧 */
#sidebar.collapsed #sidebar-toggle {
    right: -28px; /* 将按钮整体推入可视区 */
    border-radius: 0 14px 14px 0; /* 改为半圆角贴边 */
    border-left: none;
    box-shadow: 4px 0 12px rgba(160, 150, 140, 0.1);
}

#settings-btn {
    display: none !important;
}

/* 2. 隐藏聊天区上方的“📂 跨轮工作区”面板 */
#workspace-panel {
    display: none !important;
}

/* 3. 如果你说的“工作区按钮”是指输入框左侧的“📎添加附件”按钮，请保留下面这段代码；如果不是，可以将下面这段删掉 */
#attach-btn {
    display: none !important;
}