/* V15 Agent Trace：首页与 CV 页共用 */
:root {
  --bg: #f7f7f8; --card: #fff; --soft: #f2f2f4; --ink: #18181b; --ink2: #3f3f46; --muted: #71717a; --line: #e4e4e7;
  --user: #2563eb; --call: #7c3aed; --res: #059669; --ans: #d97706;
  --sans: "Geist", "Inter", system-ui, -apple-system, sans-serif; --mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;
  --pm-bg: var(--soft); --pm-ph-bg: var(--soft); --pm-ph-ink: var(--muted);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15.5px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--user); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--user); outline-offset: 2px; }
.col { max-width: 900px; margin: 0 auto; padding: 0 24px; }

.top { display: flex; align-items: center; justify-content: space-between; padding: 18px 0 8px; font: 13px var(--mono); color: var(--muted); }
.top nav { display: flex; gap: 4px; }
.top nav a { color: var(--ink2); padding: 5px 10px; border-radius: 6px; }
.top nav a:hover, .top nav a[aria-current] { background: var(--card); box-shadow: 0 0 0 1px var(--line); text-decoration: none; }
.task { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; margin: 14px 0 26px; display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.task .t { font: 600 17px var(--sans); }
.task .t span { font: 12px var(--mono); color: var(--muted); display: block; font-weight: 400; margin-bottom: 2px; }
.status { font: 12.5px var(--mono); padding: 4px 10px; border-radius: 999px; background: var(--soft); color: var(--muted); display: inline-flex; gap: 8px; align-items: center; }
.status i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.status.run i { background: var(--call); animation: pulse 1s ease-in-out infinite; }
.status.ok { color: var(--res); background: #ecfdf5; } .status.ok i { background: var(--res); }
@keyframes pulse { 50% { opacity: .3; } }

.trace { position: relative; padding-left: 34px; }
.trace::before { content: ""; position: absolute; left: 11px; top: 6px; bottom: 6px; width: 2px; background: var(--line); }
.step { position: relative; margin-bottom: 14px; }
.step::before { content: ""; position: absolute; left: -29px; top: 14px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--muted); transition: background .3s, border-color .3s; }
.step.user::before { border-color: var(--user); background: var(--user); }
.step.done::before { border-color: var(--res); background: var(--res); }
.step.ans.done::before { border-color: var(--ans); background: var(--ans); }
.step details { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.step summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 12px; align-items: center; padding: 10px 14px; }
.step summary::-webkit-details-marker { display: none; }
.kind { font: 600 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 5px; }
.user .kind { background: #eff6ff; color: var(--user); }
.call .kind { background: #f5f3ff; color: var(--call); }
.ans .kind { background: #fffbeb; color: var(--ans); }
.sig { font: 13.5px var(--mono); color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sig .fn { color: var(--call); } .sig .s { color: var(--res); }
.dur { font: 12px var(--mono); color: var(--muted); white-space: nowrap; }
.dur::after { content: " ▾"; }
details:not([open]) .dur::after { content: " ▸"; }
.body { border-top: 1px solid var(--line); padding: 14px 16px; opacity: 0; transition: opacity .45s ease; }
.done .body, .user .body { opacity: 1; }
.spin { display: none; font: 12.5px var(--mono); color: var(--muted); padding: 10px 16px; border-top: 1px solid var(--line); }
.running .spin { display: block; }
.running .body { display: none; }
.user .msg { font-size: 17px; }

.profile { display: grid; grid-template-columns: 110px minmax(0, 1fr); gap: 18px; align-items: start; }
.profile .img { width: 110px; height: 142px; border-radius: 8px; background: #fff center 22% / cover; border: 1px solid var(--line); }
.profile h1 { margin: 0 0 4px; font: 650 28px/1.15 var(--sans); letter-spacing: -.02em; }
.profile .tg { font: 12.5px var(--mono); color: var(--muted); }
.profile p { margin: 8px 0 0; }
.profile .aff { font-size: 14px; color: var(--ink2); }
.contacts { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.contacts a, .contacts button { display: inline-flex; gap: 7px; align-items: center; font: 12.5px var(--mono); padding: 5px 10px; border: 1px solid var(--line); border-radius: 7px; background: var(--card); color: var(--ink); }
.contacts a:hover, .contacts button:hover { border-color: var(--user); color: var(--user); text-decoration: none; }
.json { font: 13px/1.75 var(--mono); margin: 0; }
.json div { display: grid; grid-template-columns: 90px 1fr; gap: 12px; }
.json .k { color: var(--muted); }
ol.list { margin: 0; padding-left: 0; list-style: none; font-size: 15px; }
ol.list li { display: grid; grid-template-columns: 92px 1fr; gap: 12px; padding: 4px 0; border-bottom: 1px dashed var(--line); }
ol.list li:last-child { border: 0; }
ol.list time { font: 12.5px var(--mono); color: var(--muted); padding-top: 2px; }
ol.list small { display: block; color: var(--muted); font-size: 13px; }

.tabs { position: relative; display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.tabs button { border: 1px solid var(--line); background: var(--card); border-radius: 7px; padding: 4px 10px; font: 12.5px var(--mono); color: var(--ink2); cursor: pointer; }
.tabs button[aria-selected="true"] { border-color: var(--call); color: var(--call); background: #f5f3ff; }
.tabs button sup { font-size: 10px; margin-left: 2px; opacity: .7; }
.tab-ind { display: none; }
.res { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.r { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column; animation: in .35s ease both; animation-delay: calc(var(--i) * 40ms); }
@keyframes in { from { opacity: 0; transform: translateY(4px); } }
.r .pm { aspect-ratio: 16 / 10; }
.r .b { padding: 10px 12px; display: flex; flex-direction: column; flex: 1; }
.r .v { font: 11.5px var(--mono); color: var(--res); }
.r h3 { margin: 2px 0; font: 600 16px var(--sans); }
.r p { margin: 0 0 6px; font-size: 13.5px; color: var(--ink2); }
.r .au { margin-top: auto; font-size: 12px; color: var(--muted); }
.r .au .me, ol.list .me { color: var(--ink); font-weight: 600; }
.r .ln { font: 12px var(--mono); display: flex; gap: 10px; margin-top: 6px; }
.final p { margin: 0 0 10px; font-size: 16px; }
.btns { display: flex; flex-wrap: wrap; gap: 8px; }
.btns a, .btns button { font: 13px var(--mono); padding: 6px 12px; border-radius: 7px; border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; }
.btns a.ghost, .btns button.ghost { background: var(--card); color: var(--ink); border-color: var(--line); }
.btns a:hover { text-decoration: none; opacity: .9; }
footer { padding: 30px 0 52px; font: 12.5px var(--mono); color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; }

@media (max-width: 720px) { .res { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) {
  .col { padding: 0 14px; } .trace { padding-left: 22px; } .trace::before { left: 5px; } .step::before { left: -23px; }
  .res { grid-template-columns: 1fr; } .profile { grid-template-columns: 80px minmax(0, 1fr); } .profile .img { width: 80px; height: 104px; }
  ol.list li { grid-template-columns: 1fr; gap: 0; } .step summary { grid-template-columns: auto minmax(0, 1fr); } .dur { display: none; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .body { transition: none; } .r { animation: none; } .status.run i { animation: none; } }