/* DVC Observer — Helios-derived dark theme.
   Tokens + patterns sourced from docs/HELIOS_DESIGN.md.
*/

:root {
  /* Surfaces */
  --bg:          #0d0d0d;
  --paper:       #1a1a1a;
  --paper-2:     #111827;
  --surface-2:   #252525;

  /* Borders */
  --border:      rgba(255, 255, 255, 0.08);
  --border-soft: rgba(255, 255, 255, 0.05);
  --border-hard: rgba(255, 255, 255, 0.10);
  --line:        rgba(255, 255, 255, 0.04);

  /* Text */
  --fg:          #f3f4f6;
  --muted:       #9ca3af;
  --dim:         #6b7280;

  /* Brand */
  --primary:     #3b82f6;
  --primary-l:   #60a5fa;
  --primary-d:   #2563eb;
  --secondary:   #8b5cf6;

  /* Semantic */
  --ok:          #10b981;
  --warn:        #f59e0b;
  --bad:         #ef4444;
  --info:        #06b6d4;
  --accent-gold: #d4a017;
  --warn-l:      #fbbf24;
  --orange:      #f97316;

  /* Source colors */
  --src-tt: #8b5cf6; --src-ar: #3b82f6; --src-dl: #10b981;
  --src-sr: #f59e0b; --src-bf: #ec4899; --src-cq: #f97316;
  --src-cg: #06b6d4; --src-by: #6366f1; --src-fr: #84cc16;

  /* Layout */
  --side-w: 240px;
  --side-w-collapsed: 64px;
  --top-h: 56px;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg); color: var(--fg);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
  font-size: 14px; line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-l); text-decoration: underline; }

code, .mono, pre {
  font-family: Consolas, "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 0.85em;
}
code {
  background: rgba(255,255,255,0.04);
  color: var(--fg);
  padding: 1px 6px;
  border-radius: 4px;
}

/* ── App Shell ───────────────────────────────────────────────────── */
.app { display: grid; grid-template-columns: var(--side-w) 1fr; min-height: 100vh; }

.sidebar {
  position: sticky; top: 0; height: 100vh;
  background: var(--paper);
  border-right: 1px solid var(--border-soft);
  display: flex; flex-direction: column;
  overflow-y: auto;
}
.sidebar::-webkit-scrollbar { width: 6px; }
.sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 3px; }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 18px; border-bottom: 1px solid var(--border-soft);
  height: var(--top-h); flex-shrink: 0;
}
.brand-logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: grid; place-items: center; color: #fff;
  font-weight: 700; font-size: 0.85rem;
}
.brand-name { font-weight: 600; color: var(--fg); letter-spacing: -0.01em; font-size: 0.95rem; }

.nav-section {
  padding: 14px 12px 4px;
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--dim);
}
.nav-list { list-style: none; margin: 0; padding: 4px 8px; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px;
  color: var(--muted); font-size: 0.875rem; font-weight: 500;
  cursor: pointer; transition: all 120ms ease;
  margin-bottom: 1px;
}
.nav-item:hover {
  background: rgba(255,255,255,0.04); color: var(--fg);
  text-decoration: none;
}
.nav-item.active {
  background: rgba(59,130,246,0.15); color: var(--primary);
}
.nav-item .ico { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.9; }

.side-foot {
  margin-top: auto; padding: 12px; border-top: 1px solid var(--border-soft);
  display: flex; flex-direction: column; gap: 6px;
}
.side-user {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: 8px;
  background: rgba(255,255,255,0.02);
}
.side-user .avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  display: grid; place-items: center; color: #fff;
  font-size: 0.75rem; font-weight: 600;
}
.side-user .name { font-size: 0.8rem; color: var(--fg); font-weight: 500; }

/* ── Top bar + main ──────────────────────────────────────────────── */
.main { min-width: 0; }
.topbar {
  height: var(--top-h);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px;
  background: var(--paper);
  border-bottom: 1px solid var(--border-soft);
  position: sticky; top: 0; z-index: 10;
}
.topbar .title { font-size: 0.95rem; font-weight: 600; color: var(--fg); }
.topbar .spacer { flex: 1; }
.topbar .breadcrumb {
  color: var(--muted); font-size: 0.82rem;
  display: flex; gap: 6px; align-items: center;
}
.topbar .breadcrumb .sep { color: var(--dim); }

.content { padding: 24px; max-width: 1600px; }

/* ── Headings ────────────────────────────────────────────────────── */
h1 { font-size: 2.5rem; font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 6px; color: var(--fg); }
h2 { font-size: 2rem; font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; margin: 32px 0 14px; color: var(--fg); }
h3 { font-size: 1.5rem; font-weight: 600; line-height: 1.25; margin: 24px 0 10px; color: var(--fg); }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 20px; }
.page-head .sub { color: var(--muted); font-size: 0.9rem; margin-top: 4px; }
.section-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin: 24px 0 12px;
}
.section-head h2 { margin: 0; }
.section-title-gold {
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.8rem; font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.04em; text-transform: uppercase;
  margin: 0 0 10px;
}

.muted { color: var(--muted); }
.dim   { color: var(--dim); }

/* ── Cards / panels ──────────────────────────────────────────────── */
.card {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  box-shadow: 0 4px 24px 0 rgba(0,0,0,0.2);
  padding: 20px;
}
.panel {
  background: var(--paper-2);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 16px;
}

/* ── Stat cards ──────────────────────────────────────────────────── */
.stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.stat {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  padding: 16px;
  display: flex; gap: 12px; align-items: flex-start;
}
.stat .ico-box {
  width: 36px; height: 36px; border-radius: 8px;
  display: grid; place-items: center;
  background: rgba(59,130,246,0.10); color: var(--primary);
  flex-shrink: 0;
}
.stat .body { flex: 1; min-width: 0; }
.stat .label {
  font-size: 0.70rem; font-weight: 500; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.stat .value {
  font-size: 1.5rem; font-weight: 700; line-height: 1.15;
  color: var(--primary); letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
}
.stat .sub { font-size: 0.75rem; color: var(--muted); margin-top: 4px; }
.stat.ok  .value { color: var(--ok); }
.stat.warn .value { color: var(--warn); }
.stat.bad .value { color: var(--bad); }
.stat.info .value { color: var(--info); }

/* ── Tables ──────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--border-soft); background: var(--paper); }
table.t { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 0.88rem; }
table.t thead th {
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
  text-align: left; padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.t tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  color: var(--fg);
  vertical-align: middle;
}
table.t tbody tr:last-child td { border-bottom: 0; }
table.t tbody tr:hover { background: rgba(255,255,255,0.025); }
table.t td.num, table.t th.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.85rem;
}
table.t td.mono { font-family: Consolas, ui-monospace, monospace; font-size: 0.82rem; }
table.t.dense tbody td, table.t.dense thead th { padding: 7px 10px; }

/* ── Pills / chips ───────────────────────────────────────────────── */
.pill {
  display: inline-block;
  padding: 2px 8px; border-radius: 6px;
  font-size: 0.72rem; font-weight: 500;
  letter-spacing: 0.02em;
  border: 1px solid transparent;
  line-height: 1.5;
  white-space: nowrap;
}
.pill.ok   { background: rgba(16,185,129,0.12); color: var(--ok);   border-color: rgba(16,185,129,0.28); }
.pill.warn { background: rgba(245,158,11,0.12); color: var(--warn); border-color: rgba(245,158,11,0.28); }
.pill.bad  { background: rgba(239,68,68,0.12);  color: var(--bad);  border-color: rgba(239,68,68,0.28); }
.pill.info { background: rgba(6,182,212,0.12);  color: var(--info); border-color: rgba(6,182,212,0.28); }
.pill.dim  { background: rgba(255,255,255,0.04); color: var(--muted); border-color: var(--border); }

.pill.sev-info { background: rgba(6,182,212,0.12); color: var(--info); border-color: rgba(6,182,212,0.28); }
.pill.sev-warn { background: rgba(245,158,11,0.12); color: var(--warn); border-color: rgba(245,158,11,0.28); }
.pill.sev-bad  { background: rgba(239,68,68,0.12); color: var(--bad); border-color: rgba(239,68,68,0.28); }

.tier {
  display: inline-block;
  padding: 1px 8px; border-radius: 6px;
  font-size: 0.68rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  border: 1px solid transparent;
}
.tier-free  { background: rgba(16,185,129,0.10); color: var(--ok); border-color: rgba(16,185,129,0.25); }
.tier-pro   { background: rgba(239,68,68,0.10); color: var(--bad); border-color: rgba(239,68,68,0.25); }
.tier-mixed { background: rgba(245,158,11,0.10); color: var(--warn); border-color: rgba(245,158,11,0.25); }

/* Source pill (Consolas) */
.src {
  display: inline-block;
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.68rem; font-weight: 600;
  padding: 1px 6px; border-radius: 6px;
  border: 1px solid transparent;
  line-height: 1.6;
}
.src-tt { color: var(--src-tt); background: rgba(139,92,246,0.12); border-color: rgba(139,92,246,0.28); }
.src-ar { color: var(--src-ar); background: rgba(59,130,246,0.12); border-color: rgba(59,130,246,0.28); }
.src-dl { color: var(--src-dl); background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.28); }
.src-sr { color: var(--src-sr); background: rgba(245,158,11,0.12); border-color: rgba(245,158,11,0.28); }
.src-bf { color: var(--src-bf); background: rgba(236,72,153,0.12); border-color: rgba(236,72,153,0.28); }
.src-cq { color: var(--src-cq); background: rgba(249,115,22,0.12); border-color: rgba(249,115,22,0.28); }
.src-cg { color: var(--src-cg); background: rgba(6,182,212,0.12); border-color: rgba(6,182,212,0.28); }
.src-by { color: var(--src-by); background: rgba(99,102,241,0.12); border-color: rgba(99,102,241,0.28); }
.src-fr { color: var(--src-fr); background: rgba(132,204,22,0.12); border-color: rgba(132,204,22,0.28); }

/* Coverage heat cell */
.cov {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.78rem; font-variant-numeric: tabular-nums;
}
.cov-100, .cov-80 { background: rgba(16,185,129,0.12); color: var(--ok); }
.cov-60, .cov-50 { background: rgba(251,191,36,0.10); color: var(--warn-l); }
.cov-40, .cov-30, .cov-20 { background: rgba(249,115,22,0.10); color: var(--orange); }
.cov-10, .cov-0 { background: rgba(239,68,68,0.10); color: var(--bad); }

/* Heatmap grid — cells colored by source (winning waterfall source) */
.heatmap {
  display: grid;
  gap: 3px;
}
.hmcell {
  width: 16px; height: 16px; border-radius: 3px;
  background: rgba(255,255,255,0.035);
  display: inline-block; cursor: default;
}
.hmcell.empty { background: rgba(255,255,255,0.025); }
.hmcell.s-tt { background: var(--src-tt); }
.hmcell.s-ar { background: var(--src-ar); }
.hmcell.s-dl { background: var(--src-dl); }
.hmcell.s-sr { background: var(--src-sr); }
.hmcell.s-bf { background: var(--src-bf); }
.hmcell.s-cq { background: var(--src-cq); }
.hmcell.s-cg { background: var(--src-cg); }
.hmcell.s-by { background: var(--src-by); }
.hmcell.s-fr { background: var(--src-fr); }
.hmcell.s-computed { background: #6b7280; }

/* ── Buttons / forms ─────────────────────────────────────────────── */
button, .btn {
  background: rgba(255,255,255,0.04);
  color: var(--fg);
  border: 1px solid var(--border-hard);
  padding: 7px 14px; border-radius: 8px;
  font: inherit; font-weight: 500; font-size: 0.83rem;
  cursor: pointer; transition: all 150ms ease;
  letter-spacing: 0.02em;
}
button:hover, .btn:hover {
  background: rgba(255,255,255,0.06); border-color: var(--border);
}
button.primary, .btn.primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-d) 100%);
  border-color: transparent; color: #fff;
  box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}
button.primary:hover, .btn.primary:hover {
  background: linear-gradient(135deg, var(--primary-d) 0%, #1d4ed8 100%);
  box-shadow: 0 4px 12px 0 rgba(59,130,246,0.25);
  transform: translateY(-1px);
}
button.ghost, .btn.ghost {
  background: transparent;
  border: 1px solid rgba(59,130,246,0.3); color: var(--primary);
}
button.ghost:hover, .btn.ghost:hover {
  background: rgba(59,130,246,0.06); border-color: var(--primary);
}
button.small, .btn.small { padding: 4px 10px; font-size: 0.75rem; }
button.danger { background: rgba(239,68,68,0.12); border-color: rgba(239,68,68,0.3); color: var(--bad); }
button.danger:hover { background: rgba(239,68,68,0.18); }

form.inline { display: inline-block; margin: 0; }

input[type=text], input[type=email], input[type=password], input[type=search], select, textarea {
  background: rgba(255,255,255,0.02);
  color: var(--fg);
  border: 1px solid var(--border-hard);
  padding: 8px 12px; border-radius: 8px;
  font: inherit; font-size: 0.85rem;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--primary);
}
.form-row {
  display: flex; gap: 10px; flex-wrap: wrap;
  padding: 16px; background: var(--paper);
  border: 1px solid var(--border-soft); border-radius: 12px;
  margin: 12px 0;
}
.form-row input, .form-row select {
  flex: 1 1 160px; min-width: 140px;
}

/* ── Flash ────────────────────────────────────────────────────────── */
.flash {
  background: rgba(16,185,129,0.08);
  border: 1px solid rgba(16,185,129,0.25);
  color: #bbf7d0;
  padding: 10px 14px; border-radius: 8px;
  font-size: 0.85rem; margin: 0 0 16px;
}
.flash.bad {
  background: rgba(239,68,68,0.08);
  border-color: rgba(239,68,68,0.25);
  color: #fecaca;
}

/* ── Tiles (table list) ──────────────────────────────────────────── */
.tiles {
  display: grid; gap: 6px;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  margin: 12px 0;
}
.tile {
  display: block;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 8px;
  font-family: Consolas, ui-monospace, monospace;
  font-size: 0.78rem; color: var(--fg);
  transition: all 120ms ease;
}
.tile:hover { border-color: rgba(59,130,246,0.5); text-decoration: none; color: var(--primary-l); transform: translateY(-1px); }

/* ── Meta grid ───────────────────────────────────────────────────── */
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.meta-grid .item {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 14px 16px;
}
.meta-grid .item .k {
  font-size: 0.68rem; font-weight: 500; color: var(--muted);
  text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px;
}
.meta-grid .item .v { font-size: 0.95rem; color: var(--fg); font-weight: 500; word-break: break-word; }

/* ── Login page ──────────────────────────────────────────────────── */
body.login-page {
  display: grid; place-items: center;
  min-height: 100vh;
  background:
    radial-gradient(at 20% 10%, rgba(59,130,246,0.10) 0, transparent 45%),
    radial-gradient(at 80% 80%, rgba(139,92,246,0.08) 0, transparent 45%),
    var(--bg);
}
.login-card {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  box-shadow: 0 10px 40px 0 rgba(0,0,0,0.5);
  padding: 32px; width: 340px;
  display: flex; flex-direction: column; gap: 14px;
}
.login-card h1 {
  margin: 0 0 4px; text-align: center;
  font-size: 1.3rem; font-weight: 600;
}
.login-card .sub { text-align: center; color: var(--muted); font-size: 0.82rem; margin-bottom: 8px; }
.login-card label {
  display: flex; flex-direction: column; gap: 4px;
  color: var(--muted); font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500;
}
.login-card input { font-size: 0.92rem; padding: 10px 12px; }
.login-card button { padding: 11px; font-size: 0.92rem; margin-top: 6px; }
.login-card .err { color: var(--bad); font-size: 0.8rem; text-align: center; }

/* ── Breadcrumb ─────────────────────────────────────────────────── */
.breadcrumb {
  color: var(--muted); font-size: 0.82rem;
  margin: 0 0 12px;
}
.breadcrumb .sep { color: var(--dim); margin: 0 6px; }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary-l); }

/* ── Misc ────────────────────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.scroll { overflow-x: auto; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.num { font-variant-numeric: tabular-nums; font-family: Consolas, ui-monospace, monospace; }
.plot-wrap { background: var(--paper); border: 1px solid var(--border-soft); border-radius: 12px; padding: 12px; }

/* Spark */
.spark { height: 36px; width: 120px; display: inline-block; vertical-align: middle; }

/* Responsive */
@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--border-soft); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .content { padding: 16px; }
}

/* ── Data-as-of badge (topbar right) ─────────────────────────────── */
.data-asof {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 4px 10px; border-radius: 999px;
  background: rgba(59,130,246,0.06);
  border: 1px solid rgba(59,130,246,0.20);
  font-size: 0.75rem;
}
.data-asof .k { color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; font-size: 0.68rem; }
.data-asof .v { color: var(--primary-l); font-weight: 600; }
.data-asof .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--primary-l); box-shadow: 0 0 6px var(--primary);
}

/* ── Pipeline health strip (bottom of main) ──────────────────────── */
.health-strip {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 24px;
  border-top: 1px solid var(--border-soft);
  background: var(--paper);
  font-size: 0.8rem;
  position: sticky; bottom: 0; z-index: 5;
}
.health-strip .hs-label {
  font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  font-size: 0.72rem;
}
.health-strip .hs-msg { color: var(--muted); }
.health-strip .hs-ts { font-size: 0.75rem; font-family: Consolas, ui-monospace, monospace; }
.health-strip .spacer { flex: 1; }
.health-strip .hs-dot {
  width: 8px; height: 8px; border-radius: 50%;
  animation: pulse 2.4s ease-in-out infinite;
}
.health-ok   { background: linear-gradient(180deg, rgba(16,185,129,0.04), var(--paper)); border-top-color: rgba(16,185,129,0.25); }
.health-ok   .hs-label { color: var(--ok); }
.health-ok   .hs-dot   { background: var(--ok); box-shadow: 0 0 8px rgba(16,185,129,0.6); }
.health-warn { background: linear-gradient(180deg, rgba(245,158,11,0.05), var(--paper)); border-top-color: rgba(245,158,11,0.30); }
.health-warn .hs-label { color: var(--warn); }
.health-warn .hs-dot   { background: var(--warn); box-shadow: 0 0 8px rgba(245,158,11,0.7); }
.health-bad  { background: linear-gradient(180deg, rgba(239,68,68,0.06), var(--paper)); border-top-color: rgba(239,68,68,0.30); }
.health-bad  .hs-label { color: var(--bad); }
.health-bad  .hs-dot   { background: var(--bad); box-shadow: 0 0 8px rgba(239,68,68,0.7); }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

/* ── Changed-today strip (home) ──────────────────────────────────── */
.changed-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px; margin: 0 0 20px;
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(59,130,246,0.05), rgba(139,92,246,0.04));
  border: 1px solid rgba(59,130,246,0.15);
  border-radius: 12px;
}
.changed-strip .it { display: flex; flex-direction: column; gap: 2px; }
.changed-strip .it .k { font-size: 0.68rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.changed-strip .it .v {
  font-size: 1.05rem; font-weight: 600; color: var(--fg);
  font-variant-numeric: tabular-nums; font-family: Consolas, ui-monospace, monospace;
}
.changed-strip .it .sub { font-size: 0.72rem; color: var(--dim); }
.changed-strip .it.good .v { color: var(--ok); }
.changed-strip .it.warn .v { color: var(--warn); }
.changed-strip .it.bad  .v { color: var(--bad); }

/* ── Top-N selector / segmented control ──────────────────────────── */
.seg {
  display: inline-flex; padding: 3px; border-radius: 10px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-hard);
  gap: 2px;
}
.seg a {
  padding: 5px 12px; border-radius: 7px;
  color: var(--muted); font-size: 0.78rem; font-weight: 500;
  text-decoration: none;
}
.seg a:hover { color: var(--fg); background: rgba(255,255,255,0.04); text-decoration: none; }
.seg a.on {
  background: rgba(59,130,246,0.18); color: var(--primary-l);
  box-shadow: inset 0 0 0 1px rgba(59,130,246,0.3);
}

/* ── Coverage banner ─────────────────────────────────────────────── */
.cov-banner {
  display: flex; align-items: center; gap: 20px;
  padding: 14px 18px; margin-bottom: 14px;
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 12px;
}
.cov-banner .big {
  font-size: 1.8rem; font-weight: 700; color: var(--primary-l);
  font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
}
.cov-banner .big .unit { font-size: 0.9rem; color: var(--muted); margin-left: 4px; }
.cov-banner .lbl { font-size: 0.7rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.cov-banner .sep { width: 1px; height: 32px; background: var(--border-soft); }

/* ── Sparkline cards ─────────────────────────────────────────────── */
.spark-grid {
  display: grid; gap: 12px; margin: 14px 0;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.spark-card {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 6px;
}
.spark-card .lbl { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }
.spark-card .val {
  font-size: 1.1rem; font-weight: 600; color: var(--fg);
  font-variant-numeric: tabular-nums; font-family: Consolas, ui-monospace, monospace;
}
.spark-card .val .unit { font-size: 0.78rem; color: var(--muted); margin-left: 4px; }
.spark-card .plot { height: 44px; }

/* ── Derivatives cards (Helios MUI LinearProgress + SVG sparkline DNA) ── */
.deriv-grid {
  display: grid; gap: 12px; margin: 12px 0 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.deriv-card {
  background: var(--paper);
  border: 1px solid var(--border-soft);
  border-left: 3px solid var(--src-by);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex; flex-direction: column; gap: 8px;
}
.deriv-card .lbl {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--muted);
}
.deriv-card .val {
  font-size: 1.1rem; font-weight: 600; color: var(--fg);
  font-variant-numeric: tabular-nums; font-family: Consolas, ui-monospace, monospace;
}
.deriv-card .val .unit { font-size: 0.72rem; color: var(--muted); margin-left: 4px; }
.deriv-card .deltas {
  display: flex; gap: 12px; font-size: 0.72rem;
  font-family: Consolas, ui-monospace, monospace;
}
.deriv-card .deltas .delta { display: flex; gap: 4px; align-items: baseline; }
.deriv-card .deltas .pos { color: var(--ok); }
.deriv-card .deltas .neg { color: var(--bad); }
.deriv-card .sparkline { width: 100%; height: 36px; display: block; }
.deriv-card .sparkline.empty-spark {
  border: 1px dashed var(--border);
  border-radius: 4px;
}

/* ── Empty state ─────────────────────────────────────────────────── */
.empty {
  padding: 20px; text-align: center;
  background: var(--paper);
  border: 1px dashed var(--border);
  border-radius: 10px;
  color: var(--muted); font-size: 0.88rem;
}
.empty .ic { font-size: 1.4rem; margin-bottom: 6px; opacity: 0.6; }
.empty .t { color: var(--fg); font-weight: 500; margin-bottom: 2px; }

/* ── Zebra tables (opt-in) ───────────────────────────────────────── */
table.t.zebra tbody tr:nth-child(even) { background: rgba(255,255,255,0.01); }
table.t.zebra tbody tr:hover { background: rgba(255,255,255,0.04); }

/* ── Page head: right-side actions ───────────────────────────────── */
.page-head .actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ── Donut mini (metric source mix) ──────────────────────────────── */
.donut-wrap {
  display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: center;
}
.donut-wrap .plot { height: 220px; }
.donut-wrap .legend { display: flex; flex-direction: column; gap: 6px; }
.donut-wrap .legend .ro {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem;
}
.donut-wrap .legend .ro .sw { width: 10px; height: 10px; border-radius: 2px; }
.donut-wrap .legend .ro .sub { color: var(--muted); font-size: 0.78rem; margin-left: auto; font-family: Consolas, ui-monospace, monospace; }

@media (max-width: 720px) {
  .donut-wrap { grid-template-columns: 1fr; }
}

/* ── Sortable table headers ──────────────────────────────────────── */
th.sort a {
  color: inherit; text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
}
th.sort a:hover { color: var(--fg); text-decoration: none; }
th.sort.on a { color: var(--primary-l); }
th.sort .caret { font-size: 0.62em; opacity: 0.7; }

/* ── Asset detail: source-identity grid ──────────────────────────── */
.id-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.id-grid .id-col table td { padding: 3px 6px; font-size: 0.82rem; }
@media (max-width: 820px) { .id-grid { grid-template-columns: 1fr; } }

/* ── Coverage tier summary ───────────────────────────────────────── */
.tier-fill { display: inline-block; width: 140px; height: 8px; background: rgba(255,255,255,0.05);
             border-radius: 3px; overflow: hidden; vertical-align: middle; margin-right: 8px; }
.tier-fill .bar { height: 100%; background: linear-gradient(90deg, #3b82f6, #8b5cf6); }

/* ── Sector delta / chips ─────────────────────────────────────────── */
.delta-pos { color: var(--ok, #10b981); }
.delta-neg { color: var(--bad, #ef4444); }
.delta-neu { color: var(--muted); }
.chip-list a { margin-right: 4px; color: var(--fg); opacity: 0.8; font-size: 0.78rem; }
.chip-list a:hover { opacity: 1; }

/* ── Runs severity row tint ───────────────────────────────────────── */
tr.row-err td { background: rgba(239, 68, 68, 0.06); }
tr.row-skip td { color: var(--muted); }