/* LingMind 资讯洞察情报官 — Apple-refined light theme
   Signature: editorial "verified brief" memo + calm pipeline progress rail. */
:root {
  --canvas: #f5f5f7;
  --surface: #ffffff;
  --surface-2: #fbfbfd;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #a1a1a6;
  --line: #ececf0;
  --line-strong: #d9d9df;
  --blue: #0a84ff;
  --blue-soft: #eaf4ff;
  --indigo: #5e5ce6;
  --indigo-soft: #f0efff;
  --green: #1f9d54;
  --green-soft: #eaf8ef;
  --red: #e0342b;
  --red-soft: #fdeeed;
  --amber: #9a6b00;
  --cn: #c1362f;
  --en: #0a6cff;
  --font-ui: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", sans-serif;
  --font-serif: ui-serif, "New York", Georgia, "Songti SC", "STSong", serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
  --r: 14px;
  --r-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.05);
  --shadow-md: 0 6px 20px rgba(0,0,0,.07);
  --shadow-lg: 0 18px 50px rgba(0,0,0,.10);
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h2 { font-family: var(--font-display); font-size: 19px; font-weight: 600; letter-spacing: -.01em; margin: 0; }

/* header */
.hdr {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 32px;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}
.wordmark { display: flex; align-items: baseline; gap: 12px; }
.mark { font-family: var(--font-display); font-weight: 600; font-size: 21px; letter-spacing: -.02em; }
.mark-sub { color: var(--ink-2); font-size: 14px; letter-spacing: .06em; }
.hdr-meta { display: flex; gap: 10px; align-items: center; }
.badge { font-size: 12.5px; color: var(--ink-2); padding: 5px 12px; border-radius: 980px; border: 1px solid var(--line-strong); background: var(--surface); }
.badge-ok { color: var(--blue); border-color: #bcdcff; background: var(--blue-soft); }
.badge-muted { color: var(--ink-3); }
.badge-live { color: var(--green); border-color: #bfe6cd; background: var(--green-soft); display: inline-flex; align-items: center; gap: 7px; }
.badge-live .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 0 rgba(31,157,84,.5); animation: ping 1.8s infinite; }
.badge-warn { color: var(--amber); border-color: #e6d5a0; background: #fdf6e3; }

.wrap { max-width: 1240px; margin: 0 auto; padding: 26px 32px 60px; display: flex; flex-direction: column; gap: 20px; }

/* console / hero */
.console { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px 24px; box-shadow: var(--shadow-md); }
.console-row { display: flex; gap: 16px; align-items: flex-end; }
.ask { flex: 1; min-width: 0; }
.ask-label { display: block; font-size: 12.5px; color: var(--ink-2); margin-bottom: 8px; letter-spacing: .02em; }
.ask-input {
  width: 100%; font-family: var(--font-ui); font-size: 18px; color: var(--ink);
  border: none; border-bottom: 2px solid var(--line-strong); background: transparent;
  padding: 6px 2px; outline: none; transition: border-color .2s;
}
.ask-input:focus { border-color: var(--blue); }
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip { font-size: 12.5px; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line); border-radius: 980px; padding: 6px 13px; cursor: pointer; transition: all .15s; }
.chip:hover { color: var(--ink); border-color: var(--blue); background: var(--blue-soft); }
.btn-primary {
  flex: none; font-family: var(--font-ui); font-size: 15px; font-weight: 600; color: #fff;
  background: var(--blue); border: none; border-radius: 980px; padding: 13px 24px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(10,132,255,.30); transition: all .15s; white-space: nowrap;
}
.btn-primary:hover { background: #0071e8; transform: translateY(-1px); box-shadow: 0 6px 18px rgba(10,132,255,.36); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { background: var(--ink-3); box-shadow: none; cursor: default; transform: none; }

/* segmented control: demo / live */
.run-col { display: flex; flex-direction: column; align-items: stretch; gap: 10px; flex: none; }
.seg { display: inline-flex; background: var(--surface-2); border: 1px solid var(--line-strong); border-radius: 980px; padding: 3px; gap: 2px; }
.seg-btn { flex: 1; font-family: var(--font-ui); font-size: 13px; font-weight: 500; color: var(--ink-2); background: transparent; border: none; border-radius: 980px; padding: 6px 16px; cursor: pointer; white-space: nowrap; transition: all .15s; }
.seg-btn:hover { color: var(--ink); }
.seg-btn.is-on { color: var(--blue); background: var(--surface); box-shadow: var(--shadow-sm); font-weight: 600; }

.console-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); gap: 20px; }
.hint { font-size: 13px; color: var(--ink-2); min-height: 18px; }
.spec { display: flex; gap: 26px; }
.spec-item { display: flex; flex-direction: column; align-items: flex-end; }
.spec-num { font-family: var(--font-mono); font-size: 22px; font-weight: 600; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.spec-label { font-size: 11.5px; color: var(--ink-3); margin-top: 1px; letter-spacing: .04em; }
.spec-item.hl .spec-num { color: var(--indigo); }

/* panels */
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px 24px; box-shadow: var(--shadow-sm); }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.panel-note { font-size: 12.5px; color: var(--ink-3); letter-spacing: .02em; }
.phase { font-size: 13px; color: var(--blue); font-weight: 500; }

/* pipeline graph */
.graph-wrap { width: 100%; overflow-x: auto; }
#graph { width: 100%; height: auto; min-height: 288px; display: block; }
.node rect { fill: var(--surface); stroke: var(--line-strong); stroke-width: 1.25; transition: fill .25s, stroke .25s; }
.node .n-zh { fill: var(--ink); font-family: var(--font-ui); font-size: 12.5px; font-weight: 600; }
.node .n-en { fill: var(--ink-3); font-family: var(--font-mono); font-size: 8.5px; letter-spacing: .02em; }
.node.kind-supervisor rect { stroke: #c9c7f4; }
.node.kind-evolve rect { stroke: #e6cf9a; }
.node.kind-output rect { stroke: #bfe6cd; }
.node.running rect { stroke: var(--blue); stroke-width: 2; fill: var(--blue-soft); }
.node.done rect { stroke: #bfe6cd; fill: var(--green-soft); }
.node.active-supervisor rect { stroke: var(--indigo); stroke-width: 2; fill: var(--indigo-soft); }
.node.active-supervisor .n-zh { fill: var(--indigo); }
.edge { stroke: var(--line-strong); stroke-width: 1.4; fill: none; marker-end: url(#arrow); transition: stroke .2s; }
.edge.feedback { stroke: #cfceef; stroke-dasharray: 5 5; }
.edge.rescue { stroke: #bcbaf0; }
.edge.flow-on { stroke: var(--blue); stroke-width: 2; }

.rail { height: 4px; background: var(--line); border-radius: 980px; margin: 14px 0 12px; overflow: hidden; }
.rail-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--blue), var(--indigo)); border-radius: 980px; transition: width .4s ease; }
.ticker { font-size: 13px; color: var(--ink-2); min-height: 18px; }
.ticker b { color: var(--ink); font-weight: 600; }
.leg { display: flex; gap: 18px; margin-top: 12px; flex-wrap: wrap; }
.leg span { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink-3); }
.leg i { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.leg .l-proc { background: #d9d9df; } .leg .l-sup { background: var(--indigo); } .leg .l-evo { background: #d3a53a; } .leg .l-out { background: var(--green); }

/* outputs */
.grid2 { display: grid; grid-template-columns: 1fr 1.15fr; gap: 20px; align-items: start; }

/* review timeline */
.review { border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; margin-bottom: 14px; background: var(--surface-2); }
.review:last-child { margin-bottom: 0; }
.review-title { display: flex; align-items: center; gap: 9px; font-weight: 600; font-size: 14.5px; margin-bottom: 10px; }
.seal { width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center; font-size: 12px; color: #fff; font-weight: 600; }
.seal-guard { background: var(--indigo); }
.seal-check { background: var(--blue); }
.seal-evolve { background: #b8860b; }
.mini { color: var(--ink-2); font-size: 12.5px; margin: 4px 0; }

.verdict { border-radius: 10px; padding: 11px 13px; margin: 8px 0; font-size: 13px; }
.verdict.reject { background: var(--red-soft); border: 1px solid #f6c9c6; }
.verdict.pass { background: var(--green-soft); border: 1px solid #c2e7ce; }
.verdict-head { font-weight: 600; margin-bottom: 6px; }
.verdict.reject .verdict-head { color: var(--red); }
.verdict.pass .verdict-head { color: var(--green); }
ul.reasons { margin: 4px 0 0; padding-left: 18px; color: var(--ink); }
ul.reasons li { margin: 3px 0; }

.rescue-item { background: var(--indigo-soft); border: 1px solid #d5d3f7; border-radius: 10px; padding: 10px 12px; margin: 8px 0; font-size: 13px; }
.rescue-item .r-title { color: var(--indigo); font-weight: 600; }
.drop-item { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; margin: 7px 0; font-size: 12.5px; color: var(--ink-2); }
.tag { display: inline-block; font-size: 11px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 6px; padding: 1px 8px; margin-left: 4px; }

/* briefing memo (signature) */
.brief-panel { background: linear-gradient(180deg, #ffffff, #fcfcfe); }
.verified { font-size: 12px; font-weight: 600; color: var(--green); border: 1px solid #bfe6cd; background: var(--green-soft); border-radius: 980px; padding: 5px 13px; display: inline-flex; align-items: center; gap: 6px; }
.verified::before { content: "✓"; }
.empty { color: var(--ink-3); font-size: 13.5px; padding: 20px 2px; }
.brief-meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); letter-spacing: .01em; padding-bottom: 14px; margin-bottom: 6px; border-bottom: 1px solid var(--line); }
.brief-item { padding: 16px 0; border-bottom: 1px solid var(--line); }
.brief-item:last-child { border-bottom: none; padding-bottom: 2px; }
.brief-rank { display: flex; align-items: baseline; gap: 10px; }
.rank-num { font-family: var(--font-serif); font-size: 24px; font-weight: 600; color: var(--ink-3); line-height: 1; min-width: 26px; }
.brief-title { font-family: var(--font-serif); font-size: 18px; font-weight: 600; line-height: 1.35; letter-spacing: -.01em; flex: 1; }
.pill { font-size: 11px; font-weight: 600; padding: 2px 9px; border-radius: 980px; margin-left: 6px; white-space: nowrap; }
.pill-breaking { color: var(--red); background: var(--red-soft); border: 1px solid #f6c9c6; }
.pill-rescue { color: var(--indigo); background: var(--indigo-soft); border: 1px solid #d5d3f7; }
.brief-summary { color: var(--ink); margin: 9px 0 0; padding-left: 36px; line-height: 1.6; }
.brief-insight { font-family: var(--font-serif); font-style: italic; color: var(--amber); font-size: 14.5px; margin: 8px 0 0; padding-left: 36px; line-height: 1.55; }
.brief-insight::before { content: "意味着什么 — "; font-style: normal; font-family: var(--font-ui); font-size: 11px; letter-spacing: .06em; color: var(--ink-3); text-transform: uppercase; }
.brief-src { font-size: 12.5px; color: var(--ink-3); margin: 10px 0 0; padding-left: 36px; }
.brief-src a { color: var(--blue); }
.src-official { color: var(--green) !important; font-weight: 600; }

@keyframes ping { 0% { box-shadow: 0 0 0 0 rgba(31,157,84,.45); } 70% { box-shadow: 0 0 0 7px rgba(31,157,84,0); } 100% { box-shadow: 0 0 0 0 rgba(31,157,84,0); } }

@media (max-width: 980px) {
  .grid2 { grid-template-columns: 1fr; }
  .console-row { flex-direction: column; align-items: stretch; }
  .console-foot { flex-direction: column; align-items: flex-start; }
  .wrap { padding: 20px 18px 48px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}