/* Agent 控制台样式 — token 取自 assets/base.css */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--body); background: var(--bg); color: var(--ink); height: 100vh; overflow: hidden; }
.site-header { display: flex; justify-content: space-between; align-items: center; height: var(--header-h); padding: 0 24px; box-sizing: border-box; border-bottom: 1px solid var(--border); background: var(--surface); }
.header-nav { display: flex; gap: 18px; align-items: center; margin-right: 18px; margin-left: auto; }
.header-nav a { font-size: 13px; color: var(--ink-soft); text-decoration: none; transition: color .15s; }
.header-nav a:hover { color: var(--ink); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--body); font-size: 18px; font-weight: 700; text-decoration: none; color: var(--ink); letter-spacing: -.02em; }
.logo .mark { width: 18px; height: 18px; border-radius: 5px; background: var(--accent); display: inline-block; }
.badge { font-family: var(--mono); font-size: 10px; color: var(--accent); margin-left: 4px; letter-spacing: .08em; }

.app { display: grid; grid-template-columns: 280px 1fr; height: calc(100vh - var(--header-h)); }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden; }
.sidebar-head { padding: 16px; display: flex; gap: 8px; border-bottom: 1px solid var(--border); }
.sidebar-head .btn { flex: 1; }
.side-tabs { display: flex; border-bottom: 1px solid var(--border); }
.side-tabs button { flex: 1; padding: 10px; background: none; border: none; font: inherit; font-size: 13px; color: var(--muted); cursor: pointer; border-bottom: 2px solid transparent; }
.side-tabs button.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.side-list { flex: 1; overflow-y: auto; padding: 8px; }
.side-item { padding: 12px; border-radius: 8px; cursor: pointer; margin-bottom: 4px; font-size: 14px; color: var(--ink-soft); display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.side-item:hover { background: var(--bg); }
.side-item.active { background: var(--accent-soft); color: var(--ink); }
.side-item .del { opacity: 0; font-size: 12px; color: var(--muted); }
.side-item:hover .del { opacity: 1; }
.side-item .s-title { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-item .item-actions { display: flex; gap: 6px; flex-shrink: 0; opacity: 0; transition: opacity .12s; }
.side-item:hover .item-actions { opacity: 1; }
.side-item .act { font-size: 12px; color: var(--muted); cursor: pointer; padding: 2px; border-radius: 4px; }
.side-item .act:hover { color: var(--ink); background: rgba(0,0,0,.05); }
.side-item .act.armed { color: var(--danger); font-size: 11px; font-weight: 600; opacity: 1; }
.group-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 12px 6px; font-family: var(--mono); font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.group-head .group-count { font-size: 10px; opacity: .6; }
.file-item .file-meta { font-family: var(--mono); font-size: 10px; color: var(--muted); flex-shrink: 0; }
.side-empty { padding: 24px 16px; color: var(--muted); font-size: 13px; text-align: center; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; cursor: pointer; padding: 10px 16px; border-radius: 8px; font-weight: 500; font-size: 13px; border: 1px solid transparent; text-decoration: none; transition: all 120ms; }
.btn:hover { transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { opacity: .92; }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-danger { background: transparent; color: var(--danger); border-color: rgba(220,38,38,.3); }

/* main chat */
.main { display: flex; flex-direction: column; overflow: hidden; }
.chat-head { padding: 14px 24px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; background: var(--surface); }
.chat-head h1 { font-family: var(--body); font-size: 18px; font-weight: 700; }
.chat-head .meta { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.messages { flex: 1; overflow-y: auto; padding: 24px; }
.msg { max-width: 760px; margin: 0 auto 22px; display: flex; gap: 12px; }
.msg .avatar { width: 30px; height: 30px; border-radius: 8px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; color: #fff; }
.msg.user .avatar { background: var(--ink); }
.msg.assistant .avatar { background: var(--accent); }
.msg .bubble { flex: 1; min-width: 0; padding-top: 2px; }
.msg .role { font-size: 11px; color: var(--muted); font-family: var(--mono); margin-bottom: 4px; }
/* 助手回复：一份精致的小文档，而非聊天气泡 */
.msg.assistant .content { font-size: 15px; line-height: 1.75; color: var(--ink); letter-spacing: .01em; }
.msg.user .content { color: var(--ink-soft); }
.content > *:first-child { margin-top: 0; }
.content > *:last-child { margin-bottom: 0; }
.content p { margin: 0 0 10px; }
.content h1,.content h2,.content h3 { font-family: var(--body); margin: 20px 0 8px; line-height: 1.3; font-weight: 700; letter-spacing: -.01em; }
.content h1:first-child,.content h2:first-child,.content h3:first-child { margin-top: 0; }
.content h1 { font-size: 21px; } .content h2 { font-size: 18px; } .content h3 { font-size: 15.5px; color: var(--ink-soft); }
.content ul,.content ol { margin: 6px 0 12px; padding-left: 22px; }
.content li { margin: 3px 0; }
.content li::marker { color: var(--accent); }
.content strong { font-weight: 650; color: var(--ink); }
.content em { font-style: italic; }
.content code { font-family: var(--mono); font-size: 12.5px; background: var(--bg); padding: 1.5px 6px; border-radius: 5px; color: var(--ink); border: 1px solid var(--border); }
.content pre { background: #0F172A; color: #E2E8F0; padding: 14px 16px; border-radius: 10px; overflow-x: auto; margin: 12px 0; font-size: 12.5px; line-height: 1.6; }
.content pre code { background: none; color: inherit; padding: 0; border: none; font-size: 12.5px; }
.content a { color: var(--accent); text-decoration: none; border-bottom: 1px solid rgba(255,87,1,.3); }
.content a:hover { border-bottom-color: var(--accent); }
/* 表格：去掉粗边框，用细分隔线 + 表头底色，zebra 行 */
.content table { border-collapse: collapse; margin: 12px 0; width: 100%; font-size: 13px; border-radius: 8px; overflow: hidden; }
.content th { background: var(--bg); color: var(--ink-soft); font-weight: 600; text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--border); font-size: 12px; letter-spacing: .02em; }
.content td { padding: 8px 12px; border-bottom: 1px solid var(--border); color: var(--ink); }
.content tbody tr:last-child td { border-bottom: none; }
.content tbody tr.alt { background: rgba(0,0,0,.018); }
/* 引用块 */
.content blockquote { margin: 10px 0; padding: 8px 14px; border-left: 3px solid var(--border); color: var(--ink-soft); background: var(--bg); border-radius: 0 6px 6px 0; }
/* 告示框：NOTE/TIP/WARN/SUCCESS/INFO */
.content .callout { display: flex; gap: 10px; margin: 12px 0; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); }
.content .callout .co-icon { font-size: 16px; line-height: 1.6; flex-shrink: 0; }
.content .callout .co-body { flex: 1; min-width: 0; font-size: 14px; line-height: 1.65; }
.content .callout .co-body > *:last-child { margin-bottom: 0; }
.content .callout.NOTE { background: #F0F6FF; border-color: #BFDBFE; }
.content .callout.TIP { background: var(--accent-tint); border-color: #FFD7B8; }
.content .callout.WARN { background: #FFFBEB; border-color: #FCD34D; }
.content .callout.SUCCESS { background: #F0FDF4; border-color: #BBF7D0; }
.content .callout.INFO { background: var(--bg); border-color: var(--border); }

.tool-card { max-width: 760px; margin: 0 auto 12px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 8px; padding: 10px 14px; font-size: 13px; }
.tool-card .tname { color: var(--ink-soft); font-weight: 600; font-size: 12.5px; }
.tool-card details.targs { margin: 4px 0; }
.tool-card details.targs > summary { font-family: var(--mono); color: var(--muted); font-size: 11px; cursor: pointer; list-style: none; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; opacity: .8; }
.tool-card details.targs > summary::-webkit-details-marker { display: none; }
.tool-card details.targs[open] > summary { opacity: 1; }
.tool-card details.targs > pre { margin: 6px 0 0; font-family: var(--mono); font-size: 11px; color: var(--muted); white-space: pre-wrap; word-break: break-all; }
.tool-card .tresult { margin-top: 6px; padding-top: 6px; border-top: 1px dashed var(--border); color: var(--ink-soft); white-space: pre-wrap; max-height: 180px; overflow-y: auto; font-family: var(--mono); font-size: 12px; }
.tool-card .tresult.ok { color: var(--success); }
/* 执行中：呼吸式点点点 */
.tool-card .tresult:not(.ok)::after { content: ''; }
@keyframes pulse-dot { 0%,100% { opacity: .3; } 50% { opacity: 1; } }
.tool-card .tresult:not(.ok) { color: var(--muted); }

/* 浏览器截图：Agent 打开/操作页面后推送，让用户看到实际页面 */
.browser-shot { max-width: 760px; margin: 0 auto 12px; background: var(--surface); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 8px; padding: 8px 10px; }
.browser-shot .shot-label { font-family: var(--mono); color: var(--accent); font-weight: 600; font-size: 12px; margin-bottom: 6px; }
.browser-shot img { display: block; width: 100%; border-radius: 6px; border: 1px solid var(--border); cursor: zoom-in; }
.browser-shot .shot-url { font-family: var(--mono); color: var(--muted); font-size: 11px; margin-top: 6px; word-break: break-all; }

.typing::after { content: '▋'; animation: blink 1s steps(2) infinite; color: var(--accent); }
@keyframes blink { 50% { opacity: 0; } }

.thinking { max-width: 760px; margin: 0 auto 12px; background: var(--surface); border: 1px dashed var(--border); border-radius: 8px; padding: 8px 14px; font-size: 13px; }
.thinking summary { cursor: pointer; color: var(--muted); font-family: var(--mono); font-size: 12px; user-select: none; }
.thinking .think-body { margin-top: 8px; color: var(--muted); font-size: 12.5px; line-height: 1.6; white-space: pre-wrap; max-height: 260px; overflow-y: auto; }

.composer { border-top: 1px solid var(--border); padding: 16px 24px; background: var(--surface); }
.composer form { max-width: 760px; margin: 0 auto; display: flex; gap: 10px; align-items: flex-end; }
.composer textarea { flex: 1; resize: none; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; font: inherit; font-size: 15px; background: var(--bg); color: var(--ink); min-height: 44px; max-height: 160px; }
.composer textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: #fff; }
.composer button { align-self: stretch; }

/* task panel */
.task-form { padding: 14px 16px; border-bottom: 1px solid var(--border); }
.task-form input, .task-form textarea { width: 100%; padding: 8px 10px; border: 1px solid var(--border); border-radius: 6px; font: inherit; font-size: 13px; background: var(--bg); margin-bottom: 8px; }
.task-form input:focus, .task-form textarea:focus { outline: none; border-color: var(--accent); }
.task-form textarea { resize: vertical; min-height: 50px; }
.task-item { padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
.task-item .t-title { font-weight: 600; display: flex; justify-content: space-between; align-items: center; }
.task-item .t-cron { font-family: var(--mono); font-size: 11px; color: var(--accent); margin: 4px 0; }
.task-item .t-prompt { color: var(--ink-soft); font-size: 12px; margin: 4px 0; }
.task-item .t-status { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 6px; word-break: break-all; }
.task-actions { display: flex; gap: 6px; margin-top: 8px; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 5px; font-size: 10px; font-weight: 600; }
.tag-on { background: rgba(22,163,74,.1); color: var(--success); }
.tag-off { background: rgba(156,163,175,.15); color: var(--muted); }

.empty-state { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; color: var(--muted); gap: 12px; }
.empty-state h2 { font-family: var(--body); color: var(--ink-soft); font-size: 22px; }
.suggest { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; max-width: 560px; }
.suggest button { background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 8px 14px; font: inherit; font-size: 13px; color: var(--ink-soft); cursor: pointer; }
.suggest button:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 760px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: var(--header-h); bottom: 0; width: 280px; z-index: 30; transform: translateX(-100%); transition: transform .2s ease; box-shadow: 2px 0 12px rgba(0,0,0,.08); }
  .sidebar.open { transform: translateX(0); }
  .menu-btn { display: inline-flex !important; }
  .chat-head h1 { font-size: 15px; }
  .messages { padding: 16px; }
  .composer { padding: 12px 16px; }
}
.menu-btn { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 16px; color: var(--ink); margin-right: 10px; }

/* 会话项时间 + 重命名 */
.side-item .s-main { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.side-item .s-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.side-item .s-time { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 2px; }
.side-item .del { flex-shrink: 0; }

/* 代码块复制按钮 + 语言标签 */
.content pre { position: relative; }
.content pre .code-tools { position: absolute; top: 6px; right: 6px; display: flex; gap: 6px; align-items: center; }
.content pre .code-lang { font-family: var(--mono); font-size: 10px; color: #94A3B8; text-transform: uppercase; }
.content pre .copy-btn { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); color: #CBD5E1; font-size: 10px; padding: 2px 8px; border-radius: 4px; cursor: pointer; font-family: var(--mono); }
.content pre .copy-btn:hover { background: rgba(255,255,255,.16); color: #fff; }
.content pre .copy-btn.copied { color: #4ADE80; border-color: #4ADE80; }

/* 文件卡片 */
.file-chips { max-width: 760px; margin: 0 auto 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.file-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--accent-soft); border: 1px solid rgba(255,87,1,.2); color: var(--accent-strong); padding: 6px 12px; border-radius: 8px; font-size: 13px; text-decoration: none; font-weight: 500; }
.file-chip:hover { background: rgba(255,87,1,.12); }

/* 工具结果折叠 */
.tool-card .tresult { max-height: none; }
.tool-card.collapsed .tresult { max-height: 0; overflow: hidden; padding-top: 0; border-top: none; }
.tool-card .toggle-res { font-family: var(--mono); font-size: 11px; color: var(--accent); cursor: pointer; margin-top: 6px; display: inline-block; }

/* 回到底部 */
.scroll-bottom { position: absolute; right: 24px; bottom: 96px; width: 40px; height: 40px; border-radius: 50%; background: var(--surface); border: 1px solid var(--border); box-shadow: 0 4px 12px rgba(0,0,0,.08); display: none; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; color: var(--ink-soft); z-index: 5; }
.scroll-bottom.show { display: flex; }
.main { position: relative; }

/* 发送/停止按钮 */
.btn-stop { background: var(--ink); color: #fff; }
.btn-stop:hover { opacity: .88; }
.composer .hint { font-size: 11px; color: var(--muted); text-align: center; margin-top: 8px; font-family: var(--mono); }

/* 文件 Tab */
.file-item { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--border); font-size: 13px; }
.file-item .f-icon { font-size: 16px; }
.file-item .f-name { flex: 1; color: var(--ink); font-weight: 500; }
.file-item .f-meta { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* 思考块优化 */
.thinking[open] summary { margin-bottom: 4px; }

/* ── 友好化：toast / 复制 / 思考占位 / 发送停止 ──
   toast 定位与动效继承 base.css（右上角统一）；这里只补类型色 */
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }

/* 助手回复：悬停复制按钮 */
.msg.assistant .bubble { position: relative; }
.msg.assistant .copy-reply { position: absolute; top: -4px; right: 0; background: var(--surface); border: 1px solid var(--border); color: var(--muted); font: inherit; font-size: 11px; padding: 3px 9px; border-radius: 6px; cursor: pointer; opacity: 0; transition: opacity .12s, color .12s; }
.msg.assistant:hover .copy-reply { opacity: 1; }
.msg.assistant .copy-reply:hover { color: var(--accent); border-color: var(--accent); }
.msg.assistant .copy-reply.copied { color: var(--success); border-color: var(--success); opacity: 1; }

/* 思考中占位（首字到达前的友好提示） */
.think-placeholder { color: var(--muted); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.think-placeholder .dots { display: inline-flex; gap: 4px; align-items: center; }
.think-placeholder .dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); animation: bounce-dot 1s infinite; display: inline-block; }
.think-placeholder .dots i:nth-child(2) { animation-delay: .15s; }
.think-placeholder .dots i:nth-child(3) { animation-delay: .3s; }
@keyframes bounce-dot { 0%,60%,100% { opacity: .25; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

/* 空状态 emoji */
.empty-emoji { font-size: 40px; }

/* 发送按钮：发送 / 停止 切换 */
#send-btn { transition: background .12s, opacity .12s; }
#send-btn.btn-stop { background: var(--ink); }
#send-btn.btn-stop:hover { opacity: .88; transform: none; }