:root{--bg: #f5f6f4;--card: #ffffff;--text: #1c2b26;--muted: #6b7a75;--accent: #0f6e56;--accent-soft: #e1f5ee;--border: #e3e7e4;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6}.app{max-width:640px;margin:0 auto;min-height:100%}.page{display:flex;flex-direction:column;min-height:100vh}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--card);border-bottom:1px solid var(--border)}.brand{flex:1;font-size:17px;font-weight:600;color:var(--accent)}.chat-title{flex:1;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.topbar-actions{display:flex;gap:8px}button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}.ghost{padding:6px 12px;border-radius:999px;color:var(--accent);background:var(--accent-soft);font-size:13px}.ghost:active{opacity:.7}.danger{color:#a32d2d;background:#fcebeb}.section{padding:20px 16px 0}.section h2{font-size:13px;color:var(--muted);margin:0 0 10px;font-weight:500}.list{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.row{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}.row:last-child{border-bottom:none}.row-main{display:flex;flex-direction:column;min-width:0;flex:1}.row-title{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.row-sub{font-size:12px;color:var(--muted)}.avatar{width:40px;height:40px;border-radius:12px;background:var(--accent-soft);display:inline-flex;align-items:center;justify-content:center;font-size:20px;flex:none}.avatar.big{width:52px;height:52px;font-size:26px}.agent-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}.agent-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}.agent-card:active{border-color:var(--accent)}.agent-name{font-weight:600}.agent-desc{font-size:12px;color:var(--muted);line-height:1.4}.messages{flex:1;padding:16px;display:flex;flex-direction:column;gap:10px;overflow-y:auto}.bubble{max-width:78%;padding:10px 14px;border-radius:14px;white-space:pre-wrap;word-break:break-word}.bubble.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}.bubble.assistant{align-self:flex-start;background:var(--card);border:1px solid var(--border);border-bottom-left-radius:4px}.composer{position:sticky;bottom:0;display:flex;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--border)}.composer input{flex:1;padding:10px 14px;border:1px solid var(--border);border-radius:999px;outline:none;font:inherit;background:var(--bg)}.composer input:focus{border-color:var(--accent)}.send{padding:10px 18px;border-radius:999px;background:var(--accent);color:#fff;font-size:14px}.send:disabled{opacity:.4;cursor:default}.form{padding:16px;display:flex;flex-direction:column;gap:10px}.form input,.form textarea,.form select{padding:10px 12px;border:1px solid var(--border);border-radius:10px;font:inherit;background:var(--card);outline:none}.form textarea{resize:vertical;min-height:64px}.primary{padding:10px 18px;border-radius:999px;background:var(--accent);color:#fff}.primary:disabled{opacity:.5;cursor:default}.toast{position:fixed;left:50%;bottom:84px;transform:translate(-50%);background:#1c2b26e6;color:#fff;padding:8px 18px;border-radius:999px;font-size:13px;z-index:100;max-width:80vw;text-align:center}.job-actions{display:flex;gap:6px;flex:none}