:root {
  --bg: #f6f5f1; --surface: #ffffff; --ink: #1f2421; --muted: #6b716d; --faint: #9aa09c; --line: #e3e2dc;
  --accent: #3d5a4f; --gpt: #eef3f8; --gpt-line: #c9d8e6; --gpt-ink: #2c4a63; --claude: #f6efe7; --claude-line: #e6d3bd; --claude-ink: #6b4a2b;
  --user: #3d5a4f; --user-ink: #f4f6f4; --warn: #a3542a; --ok: #3d7a52; --r: 14px;
  font-family: "Hiragino Sans", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151716; --surface: #1d201f; --ink: #e6e8e6; --muted: #a0a6a2; --faint: #6e7471; --line: #2e3230;
    --gpt: #1b2632; --gpt-line: #2c3e51; --gpt-ink: #bcd3e8; --claude: #2a221a; --claude-line: #4a3a2a; --claude-ink: #e5c9a8;
    --user: #4b6d60; --user-ink: #f4f6f4; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font-size: 15px; line-height: 1.6; }
a { color: var(--accent); text-decoration: none; }
.top { position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center;
  padding: calc(env(safe-area-inset-top) + 10px) 16px 10px; background: var(--bg); border-bottom: 1px solid var(--line); }
.brand { font-weight: 600; color: var(--ink); }
.conn { font-size: .78rem; color: var(--muted); }
.conn.bad { color: var(--warn); }
main { max-width: 860px; margin: 0 auto; padding: 16px 16px 120px; }
h1 { font-size: 1.3rem; margin: 4px 0 2px; }
h2 { font-size: .9rem; color: var(--muted); font-weight: 500; margin: 22px 0 8px; }
.sub { color: var(--muted); font-size: .82rem; margin: 0 0 12px; }
.btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: 7px 14px;
  font: inherit; font-size: .85rem; cursor: pointer; min-height: 36px; }
.btn.primary { background: var(--accent); color: #fff; border-color: transparent; }
.btn.small { padding: 3px 10px; min-height: 28px; font-size: .78rem; }
.btn:disabled { opacity: .5; cursor: default; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.list { display: grid; gap: 8px; }
.card { display: block; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; color: var(--ink); }
.card .t { font-weight: 600; }
.card .m { font-size: .8rem; color: var(--muted); }
.tag { display: inline-block; font-size: .72rem; border-radius: 999px; padding: 1px 8px; border: 1px solid var(--line); color: var(--muted); margin-right: 4px; }
.tag.w-chatgpt { color: var(--gpt-ink); border-color: var(--gpt-line); background: var(--gpt); }
.tag.w-claude { color: var(--claude-ink); border-color: var(--claude-line); background: var(--claude); }
.tag.w-user { color: var(--warn); border-color: var(--warn); }
.tag.w-paused { color: var(--faint); }
.empty { color: var(--faint); font-size: .85rem; padding: 6px 0; }
input, textarea, select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; width: 100%; }
textarea { resize: vertical; min-height: 44px; max-height: 40vh; }
/* 聊天 */
.chat { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }
.msg { max-width: 88%; border-radius: var(--r); padding: 10px 12px; border: 1px solid; }
.msg.chatgpt { align-self: flex-start; background: var(--gpt); border-color: var(--gpt-line); }
.msg.claude { align-self: flex-start; background: var(--claude); border-color: var(--claude-line); }
.msg.user { align-self: flex-end; background: var(--user); border-color: transparent; color: var(--user-ink); }
.who { font-size: .76rem; font-weight: 600; margin-bottom: 4px; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.msg.chatgpt .who { color: var(--gpt-ink); }
.msg.claude .who { color: var(--claude-ink); }
.who .time, .who .sync { font-weight: 400; opacity: .75; }
.sync.no { color: var(--warn); opacity: 1; }
.body { overflow-wrap: anywhere; }
.body p { margin: 0 0 .5em; }
.body pre { background: rgba(0,0,0,.06); padding: 8px 10px; border-radius: 8px; overflow-x: auto; font-size: .82rem; }
.msg.user .body pre { background: rgba(255,255,255,.12); }
.body code { font-family: ui-monospace, Consolas, monospace; font-size: .86em; }
.body.folded { max-height: 18em; overflow: hidden; mask-image: linear-gradient(#000 70%, transparent); }
.tools { display: flex; gap: 10px; margin-top: 6px; font-size: .75rem; }
.tools button { background: none; border: 0; color: inherit; opacity: .7; cursor: pointer; padding: 0; font: inherit; }
.raw { font-size: .72rem; opacity: .75; margin-top: 4px; word-break: break-all; }
.waiting { text-align: center; font-size: .82rem; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--r); padding: 10px; }
.composer { position: fixed; left: 0; right: 0; bottom: 0; background: var(--bg); border-top: 1px solid var(--line);
  padding: 10px 16px calc(env(safe-area-inset-bottom) + 10px); }
.composer form { max-width: 860px; margin: 0 auto; display: flex; gap: 8px; align-items: flex-end; }
/* 审批 */
.gates { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 8px; }
.gate { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 8px 10px; font-size: .82rem; }
.gate b { display: block; font-weight: 500; }
.gate .st { color: var(--muted); font-size: .76rem; }
.gate.on { border-color: var(--ok); }
.gate.on .st { color: var(--ok); }
details { margin-top: 8px; }
summary { cursor: pointer; color: var(--muted); font-size: .85rem; }
#toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: 90px; background: var(--ink); color: var(--bg); padding: 8px 14px;
  border-radius: 999px; font-size: .85rem; z-index: 20; max-width: 90vw; }
.login { max-width: 320px; margin: 15vh auto; display: grid; gap: 10px; }
@media (min-width: 1024px) {
  .split { display: grid; grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; align-items: start; }
  .side { position: sticky; top: 70px; }
}
.composer form .btn { flex: none; white-space: nowrap; }
.composer textarea { min-width: 0; }
/* 队列 v2 */
.tabs { display: flex; gap: 6px; overflow-x: auto; margin: 14px 0 10px; padding-bottom: 2px; }
.tab { flex: none; border: 1px solid var(--line); background: var(--surface); color: var(--muted); border-radius: 999px; padding: 4px 12px; font: inherit; font-size: .8rem; cursor: pointer; }
.tab.on { background: var(--accent); color: #fff; border-color: transparent; }
.tab span { opacity: .75; margin-left: 2px; }
.tag.p-high { color: var(--warn); border-color: var(--warn); }
.tag.w-blocked_dep, .tag.w-none { color: var(--faint); }
.pill { font-weight: 500; font-size: .7rem; border: 1px solid currentColor; border-radius: 999px; padding: 0 6px; opacity: .85; }
.msg.dup { opacity: .55; }
details.req { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 8px 12px; margin-bottom: 10px; }
.composer select { width: auto; flex: none; font-size: .8rem; padding: 6px; }