:root{color-scheme:light;--ink: #020617;--muted: #475569;--line: #e2e8f0;--bg: #f8fafc;--card: #ffffff;--primary: #0f172a;--secondary: #334155;--cta: #0369a1;--cta-hover: #075985;--cta-ink: #f8fafc;--danger: #b91c1c;--warn: #b45309;--ok: #047857;--focus: #0369a1;--font: "Fira Sans", "PingFang SC", "Microsoft YaHei", sans-serif;--display: "Fira Code", "Fira Sans", "PingFang SC", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:14px;line-height:1.5}a{color:inherit}button,input,textarea,select{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--focus);outline-offset:2px}button,.btn,.rail a,.drop,tr{transition:background-color .2s ease-out,border-color .2s ease-out,color .2s ease-out}button,.btn{border:1px solid var(--cta);background:var(--cta);color:var(--cta-ink);padding:7px 12px;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:6px;font-weight:500}button:hover:not(:disabled),.btn:hover{background:var(--cta-hover);border-color:var(--cta-hover)}button.ghost,a.ghost{background:var(--card);color:var(--secondary);border-color:var(--line)}button.ghost:hover:not(:disabled),a.ghost:hover{background:#f1f5f9;border-color:#cbd5e1;color:var(--ink)}button.warn{background:var(--card);color:var(--warn);border-color:#fcd34d}button.warn:hover:not(:disabled){background:#fffbeb}button.danger{background:var(--card);color:var(--danger);border-color:#fecaca}button.danger:hover:not(:disabled){background:#fef2f2}button:disabled{opacity:.55;cursor:default}input,textarea,select{width:100%;border:1px solid #cbd5e1;background:#fff;padding:8px 10px;border-radius:6px}textarea{resize:vertical;line-height:1.5}.avatar-set{display:flex;align-items:center;gap:14px}.avatar-preview{width:56px;height:56px;border-radius:50%;background:#0369a1;color:#fff;display:grid;place-items:center;font-weight:600;overflow:hidden;flex:0 0 auto}.avatar-preview img{width:100%;height:100%;object-fit:cover;display:block}label{display:grid;gap:6px;font-size:13px;color:var(--muted);font-weight:500}label.inline{display:flex;align-items:center;gap:8px;color:var(--ink)}.auth{min-height:100vh;display:grid;grid-template-columns:minmax(260px,420px) 1fr}.auth-side{background:var(--primary);color:#f8fafc;padding:48px 36px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}.mark{width:36px;height:36px;display:grid;place-items:center;border:1px solid #334155;border-radius:8px;margin-bottom:20px}.auth-side h1{font-family:var(--font);font-size:32px;font-weight:600;margin:0 0 12px;letter-spacing:-.03em}.auth-side 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32px;display:grid;gap:14px;align-content:start}.page-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-end}.page-head h2{font-size:26px;margin:0}table{width:100%;border-collapse:collapse;background:var(--card)}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:middle;font-size:13px}th{color:var(--muted);font-weight:600;font-size:12px;background:#f8fafc;white-space:nowrap}tbody tr:hover td{background:#f8fafc}.tag{display:inline-flex;align-items:center;gap:6px;padding:2px 7px;border:1px solid var(--line);border-radius:999px;font-size:12px;font-weight:500}.tag:before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}.tag.on{color:var(--ok);border-color:#a7f3d0;background:#ecfdf5}.tag.off{color:var(--danger);border-color:#fecaca;background:#fef2f2}.layout{min-height:100vh;display:grid;grid-template-columns:220px 1fr}.rail{background:var(--primary);color:#e2e8f0;padding:18px 12px;display:flex;flex-direction:column;gap:16px;position:sticky;top:0;height:100vh}.brand{padding:0 8px}.brand strong{display:block;font-family:var(--display);font-size:18px;letter-spacing:-.03em;color:#fff}.brand span{color:#94a3b8;font-size:12px}.rail nav{display:grid;gap:4px}.rail a{text-decoration:none;padding:8px 10px;color:#cbd5e1;border-radius:6px;display:flex;align-items:center;gap:8px;cursor:pointer}.rail a svg{flex:0 0 auto}.rail a:hover,.rail a.router-link-active{background:#1e293b;color:#fff}.rail .exit{margin-top:auto;background:transparent;color:#cbd5e1;border-color:#334155;width:100%}.rail .exit:hover:not(:disabled){background:#1e293b;color:#fff;border-color:#475569}.who{margin:0;color:#94a3b8;font-size:12px;padding:0 4px}.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);overflow-x:auto}button.tab{background:transparent;color:var(--muted);border:0;border-bottom:2px solid transparent;border-radius:6px 6px 0 0;padding:10px 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1fr;padding:0;overflow:hidden;min-height:560px}.inbox-side{display:grid;grid-template-rows:auto auto 1fr;min-height:0;border-right:1px solid var(--line)}.inbox-tools{display:grid;gap:8px;padding:12px}.inbox-list{overflow:auto;max-height:64vh}.inbox-item{width:100%;display:grid;gap:2px;text-align:left;background:transparent;color:inherit;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 12px}.inbox-item strong{font-weight:600}.inbox-item .preview{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.inbox-item[aria-selected=true]{background:#f0f9ff}.inbox-item.needs-reply{background:#fff7ed;box-shadow:inset 3px 0 #ea580c}.inbox-item.needs-reply[aria-selected=true]{background:#ffedd5}.reply-badge{justify-self:start;background:#ea580c;color:#fff;border-radius:999px;padding:1px 8px;font-size:12px;font-weight:700}.inbox-empty{padding:16px 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6px);left:0;width:248px;display:grid;grid-template-columns:repeat(6,1fr);gap:4px;padding:8px;background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 24px #0f172a1f;z-index:5}button.emoji{background:transparent;color:inherit;border:0;padding:4px;font-size:18px;line-height:1}button.emoji:hover:not(:disabled){background:#f1f5f9;color:inherit}.thread-log{overflow:auto;flex:1;min-height:180px;max-height:46vh;padding:12px;display:grid;gap:10px;align-content:start;background:#f8fafc}.handoff-toast{position:fixed;top:16px;left:50%;transform:translate(-50%);z-index:30;width:min(640px,calc(100% - 32px));display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;background:#9a3412;color:#fff;border-radius:10px;box-shadow:0 12px 30px #9a341247}.handoff-copy{display:grid;gap:2px;min-width:0}.handoff-copy p{margin:0;font-size:13px;color:#ffedd5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.handoff-toast button{background:#fff;color:#9a3412;border-color:#fff}.handoff-toast button.ghost{background:transparent;color:#fff;border-color:#ffffff73}.handoff-toast button.ghost:hover:not(:disabled){background:#ffffff1f;color:#fff}.thread-msg{display:grid;gap:4px;max-width:86%}.thread-msg.user{justify-self:end;text-align:right}.thread-text{margin:0;white-space:pre-wrap;word-break:break-word;padding:8px 10px;border-radius:8px;background:#fff;border:1px solid var(--line)}.thread-msg.user .thread-text{background:#e0f2fe;border-color:#bae6fd}.thread-msg.staff .thread-text{background:#fffbeb;border-color:#fcd34d}.small{font-size:12px;color:var(--muted)}.card{overflow:auto}@media(max-width:900px){.auth,.layout,.split,.grid-2,.inbox{grid-template-columns:1fr}.inbox-side{border-right:0;border-bottom:1px solid var(--line)}.inbox-list,.thread-log{max-height:40vh}.auth-side{padding:28px 20px}.rail{height:auto;position:static}.page{padding:16px}.page-head h2{font-size:22px}table{display:block;overflow-x:auto}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important}}