/* =============================================================
   Atlas Knowledge Platform — Management Console Prototype
   Design language: industrial precision + editorial serif
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600;9..144,700&family=Manrope:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* ink scale */
  --ink-0: #07090d;
  --ink-1: #0a0d12;
  --ink-2: #11161e;
  --ink-3: #161c25;
  --ink-4: #1d2530;
  --ink-5: #28323f;

  /* hairlines */
  --line-1: rgba(255, 255, 255, 0.05);
  --line-2: rgba(255, 255, 255, 0.08);
  --line-3: rgba(255, 255, 255, 0.14);

  /* text */
  --text-1: #e7e9ee;
  --text-2: #b9bdc6;
  --text-3: #8a9099;
  --text-4: #5a6068;

  /* accents */
  --amber: #e8b04b;
  --amber-soft: rgba(232, 176, 75, 0.14);
  --amber-strong: #f5c069;

  --teal: #6cd3c0;
  --teal-soft: rgba(108, 211, 192, 0.12);

  --crimson: #f0644b;
  --crimson-soft: rgba(240, 100, 75, 0.14);

  --violet: #a98bff;
  --violet-soft: rgba(169, 139, 255, 0.12);

  --rose: #ff8aa1;
  --rose-soft: rgba(255, 138, 161, 0.12);

  /* fonts */
  --font-display: 'Fraunces', 'Songti SC', Georgia, serif;
  --font-sans: 'Manrope', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  /* layout */
  --sidebar-w: 248px;
  --header-h: 58px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ink-1);
  color: var(--text-1);
  font-family: var(--font-sans);
  font-size: 13.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.005em;
}

body {
  background:
    radial-gradient(1200px 700px at 85% -10%, rgba(232, 176, 75, 0.06), transparent 60%),
    radial-gradient(900px 600px at -10% 20%, rgba(108, 211, 192, 0.04), transparent 55%),
    var(--ink-1);
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; }

/* ---------- noise texture overlay ---------- */
.noise {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  opacity: 0.04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.9' numOctaves='2' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' /%3E%3C/svg%3E");
}

/* ============================================================ 
   APP SHELL
   ============================================================ */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--header-h) 1fr;
  grid-template-areas:
    "brand header"
    "sidebar main";
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ----- brand block (top-left) ----- */
.brand {
  grid-area: brand;
  display: flex; align-items: center; gap: 10px;
  padding: 0 18px;
  border-right: 1px solid var(--line-2);
  border-bottom: 1px solid var(--line-2);
  background: linear-gradient(180deg, #0d1117, #0a0d12);
}
.brand-mark {
  width: 26px; height: 26px;
  display: grid; place-items: center;
  background: var(--ink-3);
  border: 1px solid var(--line-3);
  border-radius: 6px;
  position: relative;
  overflow: hidden;
}
.brand-mark::before {
  content: ""; position: absolute; inset: -1px;
  background: conic-gradient(from 210deg, transparent 60%, var(--amber) 70%, transparent 80%);
  filter: blur(6px); opacity: .6;
}
.brand-mark svg { position: relative; z-index: 1; }
.brand-name {
  display: flex; flex-direction: column; line-height: 1.05;
}
.brand-name b {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: 0.01em;
}
.brand-name span {
  font-size: 9.5px; color: var(--text-3);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ----- top header ----- */
.header {
  grid-area: header;
  display: flex; align-items: center; gap: 16px;
  padding: 0 22px;
  border-bottom: 1px solid var(--line-2);
  background: linear-gradient(180deg, #0d1117, #0a0d12);
}
.crumbs {
  font-size: 12px; color: var(--text-3);
  display: flex; align-items: center; gap: 8px;
}
.crumbs b { color: var(--text-1); font-weight: 500; }
.crumbs .slash { opacity: 0.4; }

.header .grow { flex: 1; }

.search {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--ink-2);
  border: 1px solid var(--line-2);
  border-radius: 6px;
  width: 320px;
  color: var(--text-3);
  font-size: 12.5px;
}
.search input {
  background: transparent; border: 0; outline: 0; color: var(--text-1);
  width: 100%; font: inherit;
}
.search kbd {
  font-family: var(--font-mono); font-size: 10.5px;
  padding: 1px 6px; border-radius: 4px;
  background: var(--ink-3); border: 1px solid var(--line-2);
  color: var(--text-3);
}

.tenant {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 10px 5px 6px;
  background: var(--ink-2);
  border: 1px solid var(--line-2);
  border-radius: 6px; font-size: 12px;
}
.tenant .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.tenant b { font-weight: 500; }
.tenant em { font-style: normal; color: var(--text-3); margin-left: 4px; }

.user-pill {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 10px 4px 4px;
  border: 1px solid var(--line-2); border-radius: 100px;
  background: var(--ink-2); font-size: 12px;
}
.avatar {
  width: 22px; height: 22px; border-radius: 50%;
  background: linear-gradient(135deg, #f5c069, #f0644b);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 600; font-size: 11px;
  color: #2a1505;
}

.icon-btn {
  width: 30px; height: 30px;
  display: grid; place-items: center;
  background: var(--ink-2); border: 1px solid var(--line-2);
  border-radius: 6px; color: var(--text-3);
}
.icon-btn:hover { color: var(--text-1); border-color: var(--line-3); }

/* ----- sidebar nav ----- */
.sidebar {
  grid-area: sidebar;
  border-right: 1px solid var(--line-2);
  background: linear-gradient(180deg, #0a0d12 0%, #08090d 100%);
  padding: 14px 10px 30px;
  overflow-y: auto;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--ink-4); border-radius: 6px; }

.nav-group { margin-bottom: 14px; }
.nav-group .label {
  font-size: 9.5px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-4);
  padding: 6px 12px;
  display: flex; align-items: center; gap: 8px;
}
.nav-group .label::after {
  content: ""; flex: 1; height: 1px; background: var(--line-1);
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 12px;
  border-radius: 6px;
  color: var(--text-2);
  font-size: 12.8px;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 1px;
  position: relative;
}
.nav-item:hover { background: var(--ink-2); color: var(--text-1); }
.nav-item.active {
  background: var(--ink-3);
  color: var(--text-1);
}
.nav-item.active::before {
  content: ""; position: absolute; left: 4px; top: 50%;
  width: 3px; height: 14px; transform: translateY(-50%);
  background: var(--amber);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--amber);
}
.nav-item .ico { color: var(--text-4); flex-shrink: 0; }
.nav-item.active .ico { color: var(--amber); }
.nav-item .badge {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 10px;
  padding: 1px 6px; border-radius: 100px;
  background: var(--ink-4); color: var(--text-3);
}
.nav-item .badge.hot { background: var(--crimson-soft); color: var(--crimson); }
.nav-item .badge.new { background: var(--amber-soft); color: var(--amber); }

/* sidebar footer micro-status */
.side-status {
  margin: 14px 8px 0;
  border-top: 1px dashed var(--line-2);
  padding-top: 12px;
  display: grid; gap: 5px;
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--text-3);
}
.side-status .ln { display: flex; justify-content: space-between; }
.side-status .ln b { color: var(--text-1); font-weight: 500; }
.side-status .pulse {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--teal); margin-right: 6px;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(108,211,192,0.6); }
  70% { box-shadow: 0 0 0 6px rgba(108,211,192,0); }
}

/* ============================================================
   MAIN CONTENT AREA
   ============================================================ */
.main {
  grid-area: main;
  overflow-y: auto;
  padding: 26px 32px 80px;
  position: relative;
}
.main::-webkit-scrollbar { width: 8px; }
.main::-webkit-scrollbar-thumb { background: var(--ink-4); border-radius: 6px; }

/* page system */
.page { display: none; }
.page.active { display: block; animation: fadeUp .42s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* page heading */
.page-head {
  display: flex; align-items: flex-end; gap: 22px;
  padding-bottom: 22px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line-2);
}
.page-head .title-block { flex: 1; }
.page-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--amber);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 34px;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.page-head h1 em {
  font-style: italic;
  color: var(--amber);
}
.page-head p {
  margin: 0;
  font-size: 13px;
  color: var(--text-3);
  max-width: 720px;
}
.page-head .actions { display: flex; gap: 8px; }
.page-head .actions .btn { white-space: nowrap; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  border: 1px solid var(--line-3);
  background: var(--ink-2);
  border-radius: 6px;
  font-size: 12.5px; font-weight: 500;
  color: var(--text-1);
  transition: all .15s ease;
}
.btn:hover { background: var(--ink-3); border-color: var(--line-3); }
.btn.primary {
  background: var(--amber); color: #1a0f00; border-color: var(--amber-strong);
}
.btn.primary:hover { background: var(--amber-strong); }
.btn.ghost { background: transparent; }
.btn.sm { padding: 4px 10px; font-size: 11.5px; }
.btn.danger { color: var(--crimson); border-color: rgba(240,100,75,0.3); }

/* ============================================================
   GENERIC BLOCKS
   ============================================================ */
.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid.cols-12 { grid-template-columns: repeat(12, 1fr); }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-9 { grid-column: span 9; }
.span-12 { grid-column: span 12; }

.card {
  background: var(--ink-2);
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 18px 20px;
  position: relative;
  overflow: hidden;
}
.card.flush { padding: 0; }
.card .card-h {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 14px;
}
.card .card-h h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.005em;
}
.card .card-h .meta {
  font-size: 11px; color: var(--text-3);
  margin-left: auto;
  font-family: var(--font-mono);
}

.section-title {
  font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--text-4); font-weight: 600;
  margin: 26px 0 10px;
  display: flex; align-items: center; gap: 10px;
}
.section-title::after {
  content: ""; flex: 1; height: 1px; background: var(--line-1);
}

/* ----- KPI cards ----- */
.kpi {
  background: linear-gradient(180deg, var(--ink-2), var(--ink-1));
  border: 1px solid var(--line-2);
  border-radius: 10px;
  padding: 16px 18px 18px;
  position: relative;
  overflow: hidden;
}
.kpi::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(280px 120px at 100% 0%, rgba(232,176,75,0.07), transparent 60%);
  pointer-events: none;
}
.kpi .label {
  font-size: 11px; letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.kpi .num {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 38px;
  margin: 8px 0 4px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.kpi .num em {
  font-family: var(--font-mono);
  font-size: 13px; font-style: normal;
  color: var(--text-3);
  margin-left: 6px;
}
.kpi .delta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--teal);
  display: inline-flex; align-items: center; gap: 4px;
}
.kpi .delta.dn { color: var(--crimson); }
.kpi .spark {
  position: absolute; right: 16px; top: 16px; opacity: 0.85;
}

/* ----- pills / tags / status ----- */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10.5px;
  font-family: var(--font-mono);
  background: var(--ink-3); color: var(--text-2);
  border: 1px solid var(--line-2);
}
.pill.ok      { background: var(--teal-soft); color: var(--teal); border-color: rgba(108,211,192,0.25); }
.pill.warn    { background: var(--amber-soft); color: var(--amber); border-color: rgba(232,176,75,0.25); }
.pill.danger  { background: var(--crimson-soft); color: var(--crimson); border-color: rgba(240,100,75,0.25); }
.pill.violet  { background: var(--violet-soft); color: var(--violet); border-color: rgba(169,139,255,0.25); }
.pill.muted   { color: var(--text-3); }
.pill .dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; }

/* tag (square corner) */
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 1px 7px;
  font-family: var(--font-mono); font-size: 10.5px;
  background: var(--ink-3); color: var(--text-2);
  border: 1px solid var(--line-2);
  border-radius: 3px;
}

/* tables */
table.t {
  width: 100%; border-collapse: separate; border-spacing: 0;
  font-size: 12.5px;
}
table.t th {
  text-align: left;
  padding: 10px 14px;
  font-weight: 500;
  font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--line-2);
  background: var(--ink-2);
  position: sticky; top: 0;
}
table.t td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--line-1);
  color: var(--text-2);
  vertical-align: middle;
}
table.t tr:hover td { background: rgba(255,255,255,0.015); }
table.t td b { color: var(--text-1); font-weight: 500; }
table.t .mono { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-3); }

/* lists */
.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--line-1);
  font-size: 12.5px;
}
.list li:last-child { border-bottom: 0; }
.list li .ico { color: var(--text-4); flex-shrink: 0; }
.list li .meta { margin-left: auto; color: var(--text-3); font-family: var(--font-mono); font-size: 10.5px; }

/* code */
pre.code {
  margin: 0;
  background: var(--ink-1);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--text-2);
  overflow: auto;
  line-height: 1.6;
}
pre.code .k { color: var(--amber); }
pre.code .s { color: var(--teal); }
pre.code .c { color: var(--text-4); font-style: italic; }
pre.code .n { color: var(--violet); }

/* ============================================================
   ARCHITECTURE DIAGRAM (overview)
   ============================================================ */
.arch {
  border-radius: 12px;
  background:
    radial-gradient(600px 240px at 10% 0%, rgba(232,176,75,0.07), transparent 60%),
    radial-gradient(500px 200px at 90% 100%, rgba(108,211,192,0.05), transparent 60%),
    var(--ink-2);
  border: 1px solid var(--line-2);
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.arch::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--line-1) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-1) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: radial-gradient(closest-side, black 30%, transparent 80%);
  opacity: 0.5;
}
.arch-grid { display: grid; gap: 14px; position: relative; }
.arch-row {
  display: grid;
  grid-template-columns: 132px 1fr;
  gap: 14px; align-items: stretch;
}
.arch-row .row-label {
  display: flex; flex-direction: column;
  justify-content: center; gap: 4px;
  padding: 14px;
  border: 1px dashed var(--line-2);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}
.arch-row .row-label b { color: var(--amber); font-size: 13px; font-family: var(--font-display); font-weight: 500; }
.arch-row .row-content {
  display: grid; gap: 10px;
  grid-auto-flow: column; grid-auto-columns: 1fr;
}
.arch-cell {
  background: var(--ink-3);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 12px 14px;
  position: relative;
  overflow: hidden;
}
.arch-cell .cell-title {
  font-size: 12.5px; font-weight: 600; color: var(--text-1);
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 4px;
}
.arch-cell .cell-sub {
  font-size: 10.5px; color: var(--text-3);
  line-height: 1.45;
  font-family: var(--font-mono);
}
.arch-cell.hl {
  background: linear-gradient(180deg, rgba(232,176,75,0.10), var(--ink-3));
  border-color: rgba(232,176,75,0.35);
}
.arch-cell.hl .cell-title { color: var(--amber-strong); }
.arch-side {
  display: grid; gap: 10px;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 12px;
  position: relative;
}
.arch-side .side-cell {
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.015);
  font-family: var(--font-mono);
  font-size: 11px; color: var(--text-3);
}
.arch-side .side-cell b { color: var(--text-1); font-family: var(--font-sans); font-size: 12px; display: block; margin-bottom: 2px; }

/* ============================================================
   ACTIVITY STREAM
   ============================================================ */
.stream {
  height: 360px; overflow: hidden; position: relative;
}
.stream::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 60px;
  background: linear-gradient(180deg, transparent, var(--ink-2));
  pointer-events: none;
}
.stream-row {
  display: grid;
  grid-template-columns: 50px 24px 1fr auto;
  gap: 10px; align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line-1);
  font-size: 12px;
}
.stream-row .ts { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-4); }
.stream-row .ic {
  width: 22px; height: 22px;
  border-radius: 5px;
  display: grid; place-items: center;
  background: var(--ink-3);
  color: var(--text-3);
  border: 1px solid var(--line-2);
}
.stream-row .ic.amber { color: var(--amber); border-color: rgba(232,176,75,0.3); }
.stream-row .ic.teal  { color: var(--teal); border-color: rgba(108,211,192,0.3); }
.stream-row .ic.viol  { color: var(--violet); border-color: rgba(169,139,255,0.3); }
.stream-row .ic.crim  { color: var(--crimson); border-color: rgba(240,100,75,0.3); }
.stream-row .body b { font-weight: 500; color: var(--text-1); }
.stream-row .body em { font-style: normal; color: var(--text-3); margin-left: 4px; font-family: var(--font-mono); font-size: 10.5px; }
.stream-row .right { font-family: var(--font-mono); font-size: 10.5px; color: var(--text-3); }

/* ============================================================
   ONTOLOGY TREE
   ============================================================ */
.onto-tree {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.85;
}
.onto-tree .branch { color: var(--text-4); }
.onto-tree .node {
  color: var(--text-2);
  cursor: pointer; padding: 1px 6px; border-radius: 4px;
}
.onto-tree .node:hover { background: var(--ink-3); color: var(--text-1); }
.onto-tree .node.active { color: var(--amber); background: var(--amber-soft); }
.onto-tree .node.industry { color: var(--teal); }
.onto-tree .node.application { color: var(--violet); }
.onto-tree .group {
  color: var(--text-3); font-weight: 600;
  font-family: var(--font-display); font-style: italic;
  font-size: 13.5px;
  margin: 12px 0 4px;
}

/* concept detail */
.kv { display: grid; grid-template-columns: 100px 1fr; gap: 6px 14px; font-size: 12.5px; }
.kv dt { color: var(--text-3); font-family: var(--font-mono); font-size: 11px; padding-top: 1px; }
.kv dd { margin: 0; }

/* ============================================================
   PIPELINE FLOW
   ============================================================ */
.pipeline {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 0;
  position: relative;
  background:
    repeating-linear-gradient(
      90deg,
      transparent 0,
      transparent calc(10% - 1px),
      var(--line-1) calc(10% - 1px),
      var(--line-1) 10%
    );
}
.pipeline .step {
  padding: 14px 12px; text-align: center;
  font-size: 11px; color: var(--text-3);
  position: relative;
  font-family: var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase;
}
.pipeline .step b {
  display: block; font-family: var(--font-sans); font-size: 12.5px;
  color: var(--text-1); margin-top: 2px; letter-spacing: 0;
  text-transform: none;
}
.pipeline .step::before {
  content: ""; display: block; width: 10px; height: 10px;
  border-radius: 50%; margin: 0 auto 8px;
  background: var(--ink-4); border: 2px solid var(--ink-1);
  box-shadow: 0 0 0 1px var(--line-3);
}
.pipeline .step.done::before { background: var(--teal); box-shadow: 0 0 8px var(--teal); }
.pipeline .step.run::before  { background: var(--amber); box-shadow: 0 0 8px var(--amber); animation: pulse 1.5s ease-in-out infinite; }

/* gantt rows */
.gantt {
  display: grid; grid-template-columns: 200px 1fr; gap: 0;
  font-family: var(--font-mono); font-size: 11.5px;
}
.gantt .lane { padding: 8px 12px; border-bottom: 1px solid var(--line-1); color: var(--text-2); }
.gantt .lane.h { color: var(--text-3); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; }
.gantt .track {
  position: relative; height: 32px;
  border-bottom: 1px solid var(--line-1);
  background: repeating-linear-gradient(90deg, transparent 0, transparent calc(100%/12 - 1px), var(--line-1) calc(100%/12 - 1px), var(--line-1) calc(100%/12));
}
.gantt .track .bar {
  position: absolute; top: 6px; height: 20px;
  border-radius: 3px;
  display: flex; align-items: center; padding: 0 8px;
  font-size: 10px; color: #1a0f00;
  font-weight: 600;
}
.gantt .track .bar.amber { background: linear-gradient(90deg, var(--amber-strong), var(--amber)); }
.gantt .track .bar.teal  { background: linear-gradient(90deg, #80e7d3, var(--teal)); color: #082b25; }
.gantt .track .bar.viol  { background: linear-gradient(90deg, #c7b3ff, var(--violet)); color: #1d1238; }
.gantt .track .bar.crim  { background: linear-gradient(90deg, #ff8a73, var(--crimson)); color: #2c0a04; }
.gantt .track .bar.gray  { background: var(--ink-4); color: var(--text-2); }

/* ============================================================
   GraphRAG playground
   ============================================================ */
.qa {
  border: 1px solid var(--line-2);
  border-radius: 12px;
  background:
    radial-gradient(600px 200px at 0% 0%, rgba(232,176,75,0.05), transparent 60%),
    var(--ink-2);
  overflow: hidden;
}
.qa-input {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 18px 20px; border-bottom: 1px solid var(--line-2);
}
.qa-input .q-mark {
  font-family: var(--font-display); font-style: italic;
  font-size: 30px; color: var(--amber); line-height: 1; margin-top: -3px;
}
.qa-input textarea {
  flex: 1; resize: none; min-height: 36px;
  background: transparent; border: 0; outline: 0;
  color: var(--text-1); font: inherit; font-size: 14px;
}
.qa-meta {
  display: flex; gap: 8px; padding: 10px 20px;
  background: rgba(0,0,0,0.15);
  border-bottom: 1px solid var(--line-2);
  font-family: var(--font-mono); font-size: 11px; color: var(--text-3);
  flex-wrap: wrap; align-items: center;
}
.qa-meta .sep { width: 1px; background: var(--line-2); align-self: stretch; }

.qa-body { display: grid; grid-template-columns: 1fr 360px; }
.qa-answer { padding: 22px 24px; }
.qa-answer .head { font-family: var(--font-mono); font-size: 11px; color: var(--amber); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 10px; }
.qa-answer p { font-size: 14px; line-height: 1.75; color: var(--text-1); margin: 0 0 14px; }
.qa-answer p sup {
  display: inline-flex; align-items: center;
  font-family: var(--font-mono); font-size: 9.5px;
  background: var(--amber-soft); color: var(--amber);
  padding: 0 5px; border-radius: 3px;
  margin: 0 1px; vertical-align: super;
}

.qa-side {
  border-left: 1px solid var(--line-2);
  padding: 18px;
  background: rgba(0,0,0,0.18);
}
.qa-side h4 {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-3);
  letter-spacing: 0.2em; text-transform: uppercase; margin: 0 0 10px;
}
.evidence {
  border: 1px solid var(--line-2);
  border-radius: 6px;
  padding: 10px 12px;
  margin-bottom: 8px;
  font-size: 12px;
  background: var(--ink-2);
}
.evidence .src { color: var(--text-3); font-family: var(--font-mono); font-size: 10.5px; margin-bottom: 4px; display: flex; gap: 6px; align-items: center; }
.evidence .ttl { color: var(--text-1); font-weight: 500; }
.evidence .snip { color: var(--text-3); margin-top: 4px; font-size: 11.5px; line-height: 1.55; }

/* trace bullets */
.trace { display: grid; gap: 10px; margin-top: 14px; }
.trace .step {
  display: grid; grid-template-columns: 22px 1fr;
  gap: 10px; align-items: flex-start;
}
.trace .step .num {
  width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 10px; font-weight: 600;
  background: var(--amber-soft); color: var(--amber);
  border: 1px solid rgba(232,176,75,0.3);
}
.trace .step .body { font-size: 12px; color: var(--text-2); padding-top: 1px; }
.trace .step .body em { font-style: normal; color: var(--text-3); font-family: var(--font-mono); font-size: 10.5px; display: block; margin-top: 2px; }

/* ============================================================
   GRAPH VIZ (mini)
   ============================================================ */
.graph-viz svg { width: 100%; height: 320px; display: block; }
.graph-viz .node circle { fill: var(--ink-3); stroke: var(--line-3); stroke-width: 1.2; }
.graph-viz .node.center circle { fill: var(--amber-soft); stroke: var(--amber); }
.graph-viz .node.doc circle { fill: var(--violet-soft); stroke: var(--violet); }
.graph-viz .node.evt circle { fill: var(--crimson-soft); stroke: var(--crimson); }
.graph-viz .node.org circle { fill: var(--teal-soft); stroke: var(--teal); }
.graph-viz .node text { fill: var(--text-2); font-family: var(--font-mono); font-size: 10px; }
.graph-viz .edge { stroke: var(--line-3); stroke-width: 1; fill: none; }
.graph-viz .edge-label { fill: var(--text-4); font-family: var(--font-mono); font-size: 9px; }

/* radar */
.radar svg { width: 100%; height: 320px; display: block; }

/* progress bar */
.bar {
  height: 6px; border-radius: 3px;
  background: var(--ink-4);
  position: relative; overflow: hidden;
}
.bar > span {
  position: absolute; left: 0; top: 0; bottom: 0;
  background: linear-gradient(90deg, var(--amber-strong), var(--amber));
  border-radius: 3px;
}
.bar.teal > span { background: linear-gradient(90deg, #80e7d3, var(--teal)); }
.bar.crim > span { background: linear-gradient(90deg, #ff8a73, var(--crimson)); }
.bar.viol > span { background: linear-gradient(90deg, #c7b3ff, var(--violet)); }

/* heatmap */
.heat {
  display: grid; grid-template-columns: repeat(24, 1fr); gap: 2px;
}
.heat span {
  aspect-ratio: 1 / 1;
  border-radius: 2px;
  background: var(--ink-3);
}

/* tree-list (storage / id / namespace) */
.tree-list { font-family: var(--font-mono); font-size: 12px; line-height: 1.85; }
.tree-list .lvl-0 { color: var(--amber); font-family: var(--font-display); font-style: italic; font-size: 14px; }
.tree-list .lvl-1 { color: var(--text-2); padding-left: 18px; }
.tree-list .lvl-2 { color: var(--text-3); padding-left: 36px; }

/* dot row */
.dotrow { display: flex; gap: 5px; align-items: center; }
.dotrow .d { width: 10px; height: 10px; border-radius: 2px; background: var(--ink-4); }
.dotrow .d.ok { background: var(--teal); }
.dotrow .d.warn { background: var(--amber); }
.dotrow .d.crim { background: var(--crimson); }

/* utility */
.row { display: flex; gap: 10px; align-items: center; }
.row.between { justify-content: space-between; }
.muted { color: var(--text-3); }
.text-mono { font-family: var(--font-mono); }
.text-display { font-family: var(--font-display); }
.italic { font-style: italic; }
.amber { color: var(--amber); }
.teal { color: var(--teal); }
.crim { color: var(--crimson); }
.viol { color: var(--violet); }
.text-xs { font-size: 11px; }
.text-sm { font-size: 12px; }
.center { text-align: center; }
.right { text-align: right; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }

/* responsive — basic */
@media (max-width: 1280px) {
  .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-3 { grid-template-columns: 1fr 1fr; }
  .qa-body { grid-template-columns: 1fr; }
  .qa-side { border-left: 0; border-top: 1px solid var(--line-2); }
}