/* ──────────────────────────────────────────────────────────────────
   Strata — the discovery-agent demo surface.
   Strata-specific styles only; inherits all tokens + base classes from
   styles.css (D2: IBM Carbon × Bloomberg). No new colors introduced.
   ────────────────────────────────────────────────────────────────── */

/* ── Run selector (two tabs) ──────────────────────────────────────── */
.strata-runbar {
  margin-top: 40px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.strata-runtab {
  text-align: left; cursor: pointer; font: inherit; color: inherit;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle); border-radius: 2px;
  padding: 18px 20px;
  display: flex; flex-direction: column; gap: 6px;
  transition: border-color 0.18s, background-color 0.18s, transform 0.18s;
}
.strata-runtab:hover { border-color: var(--primary); transform: translateY(-2px); }
.strata-runtab.is-active { border-color: var(--primary); background: rgba(15, 98, 254, 0.04); }
.rt-tag {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; padding: 3px 8px; border-radius: 2px; border: 1px solid;
  align-self: flex-start;
}
.rt-tag-control { color: #15803D; border-color: #15803D; background: rgba(21,128,61,0.06); }
.rt-tag-novel   { color: var(--accent-violet); border-color: var(--accent-violet); background: rgba(124,58,237,0.06); }
.rt-name { font-size: 18px; font-weight: 600; color: var(--text-primary); letter-spacing: -0.01em; }
.rt-sub  { font-size: 12px; color: var(--text-tertiary); }

/* ── The method (the loop), named explicitly under the lede ───────── */
.strata-method {
  margin-top: 22px; font-family: var(--font-mono); font-size: 12.5px;
  color: var(--text-tertiary); line-height: 1.8; letter-spacing: 0.01em;
  border-left: 2px solid var(--primary); padding: 4px 0 4px 14px; max-width: 80ch;
}
.strata-method .sm-label {
  text-transform: uppercase; font-size: 10px; letter-spacing: 0.1em;
  color: var(--text-muted); margin-right: 12px;
}
.strata-method .sm-arrow { color: var(--primary); margin: 0 3px; }

/* ── Caption that reframes the two demo drugs as instances ────────── */
.strata-runcap { margin: 34px 0 0; font-size: 12.5px; line-height: 1.6; color: var(--text-tertiary); }
.strata-runcap strong { color: var(--text-secondary); }
.strata-runcap + .strata-runbar { margin-top: 12px; }

/* ── Run control row ──────────────────────────────────────────────── */
.strata-runctl {
  margin-top: 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  border: 1px solid var(--border-subtle); border-radius: 2px; background: var(--bg-elevated);
  padding: 16px 20px;
}
.src-goal {
  font-size: 13px; line-height: 1.55; color: var(--text-secondary);
  max-width: 70ch; min-width: 0;
}
.src-goal .gk {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted); display: block; margin-bottom: 4px;
}

/* ── "What the agent is doing" caption above the transcript ───────── */
.agent-explainer {
  background: rgba(15, 98, 254, 0.04);
  border: 1px solid var(--border-subtle); border-left: 3px solid var(--primary);
  border-radius: 2px; padding: 14px 18px; margin: 6px 0 4px; max-width: 78ch;
}
.agent-explainer .ae-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--primary); font-weight: 600;
  display: block; margin-bottom: 6px;
}
.agent-explainer p { margin: 0; font-size: 13px; line-height: 1.6; color: var(--text-secondary); }
.agent-explainer strong { color: var(--text-primary); }

/* ── Transcript ───────────────────────────────────────────────────── */
.transcript { margin-top: 28px; display: flex; flex-direction: column; gap: 12px; }
.transcript:empty::after {
  content: "Select a run and press ▶ Run discovery to play the agent's reasoning.";
  color: var(--text-muted); font-size: 13px; font-style: italic;
}

.t-step {
  border: 1px solid var(--border-subtle); border-radius: 2px;
  opacity: 0; transform: translateY(6px);
  animation: tstep-in 0.4s cubic-bezier(.2,.8,.2,1) forwards;
}
@keyframes tstep-in { to { opacity: 1; transform: translateY(0); } }

.t-label {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--text-muted);
  padding: 8px 16px 0;
}

/* thought */
.t-thought { background: var(--bg-elevated); }
.t-thought .t-body {
  padding: 6px 16px 14px; font-size: 14px; line-height: 1.6; color: var(--text-secondary);
}
.t-thought .t-label { color: var(--primary); }

/* tool call — terminal style */
.t-call {
  background: #1A1A1F; border-color: #1A1A1F;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.6;
}
.t-call .t-label { color: #71717A; padding-top: 12px; }
.t-call .t-cmd { padding: 4px 16px 14px; color: #E4E4E7; word-break: break-word; }
.t-call .t-fn { color: #6CB2FF; }
.t-call .t-arg-k { color: #5FD0B0; }
.t-call .t-arg-v { color: #E8A35C; }
.t-call .t-paren { color: #A1A1AA; }

/* tool result */
.t-result { background: var(--bg-white); }
.t-result .t-label { color: var(--cpg-teal); }
.t-result .t-body { padding: 6px 16px 14px; font-size: 13px; line-height: 1.6; color: var(--text-secondary); }
.t-result .res-markers { display: flex; flex-wrap: wrap; gap: 8px; }
.t-result .res-chip {
  font-family: var(--font-mono); font-size: 12px;
  border: 1px solid var(--border-subtle); border-radius: 2px;
  padding: 4px 9px; background: var(--bg-elevated);
}
.t-result .res-chip .g { color: var(--text-primary); font-weight: 500; }
.t-result .res-chip .m { color: var(--text-muted); }
.t-result .res-chip.is-control { border-color: #15803D; background: rgba(21,128,61,0.05); }
.t-result .res-kv {
  display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; align-items: baseline;
  font-family: var(--font-mono); font-size: 12px;
}
.t-result .res-kv .rk { color: var(--text-muted); text-transform: uppercase; font-size: 10px; letter-spacing: 0.06em; }
.t-result .res-kv .rv { color: var(--text-primary); }

.t-cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--primary); vertical-align: -2px; margin-left: 4px;
  animation: blink 1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ── Figures ──────────────────────────────────────────────────────── */
.fig-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 28px 0 8px; }
.fig {
  border: 1px solid var(--border-subtle); border-radius: 2px; background: var(--bg-white);
  overflow: hidden; display: flex; flex-direction: column;
}
.fig-cap {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-tertiary); padding: 12px 16px; border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-deep);
}
.fig img { width: 100%; height: auto; display: block; background: #fff; }

/* ── Two-column results (markers | brief) ─────────────────────────── */
.strata-cols { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 28px; margin-top: 40px; }
.strata-col { min-width: 0; }

.marker-table-wrap {
  border: 1px solid var(--border-subtle); border-radius: 2px; overflow: hidden; background: var(--bg-elevated);
}
.marker-table { width: 100%; border-collapse: collapse; font-family: var(--font-mono); font-size: 13px; }
.marker-table th {
  text-align: left; font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--text-muted); font-weight: 500; padding: 10px 16px;
  background: var(--bg-deep); border-bottom: 1px solid var(--border-subtle);
}
.marker-table th.num, .marker-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.marker-table td { padding: 9px 16px; border-top: 1px solid var(--border-subtle); color: var(--text-secondary); }
.marker-table tbody tr:first-child td { border-top: none; }
.marker-table tr.is-control td { background: rgba(21,128,61,0.05); }
.marker-table .gene { color: var(--text-primary); font-weight: 500; }
.marker-table .ctrl-flag { color: #15803D; font-size: 10px; letter-spacing: 0.04em; }
.marker-table td.num.neg { color: var(--cpg-teal); }

/* ── Brief (rendered markdown) ────────────────────────────────────── */
.brief {
  border: 1px solid var(--border-subtle); border-radius: 2px; background: var(--bg-white);
  padding: 22px 24px; font-size: 14px; line-height: 1.65; color: var(--text-secondary);
}
.brief h1 { font-size: 19px; line-height: 1.3; letter-spacing: -0.01em; font-weight: 600; color: var(--text-primary); margin: 0 0 14px; }
.brief h2 { font-size: 15px; font-weight: 600; color: var(--text-primary); margin: 20px 0 8px; }
.brief p { margin: 0 0 14px; }
.brief p:last-child { margin-bottom: 0; }
.brief strong { color: var(--text-primary); }
.brief code { font-family: var(--font-mono); font-size: 12px; background: var(--bg-deep); padding: 1px 5px; border-radius: 2px; color: var(--text-primary); }

/* ── Scale / NVIDIA section ───────────────────────────────────────── */
.scale-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 8px; }
.scale-stat {
  border: 1px solid var(--border-subtle); border-radius: 2px; background: var(--bg-elevated);
  padding: 18px 18px; display: flex; flex-direction: column; gap: 8px;
}
.scale-stat .ss-n {
  font-family: var(--font-mono); font-size: 22px; font-weight: 700;
  color: var(--text-primary); letter-spacing: -0.01em; line-height: 1.1;
}
.scale-stat .ss-l { font-size: 12px; line-height: 1.45; color: var(--text-tertiary); }
#scaleProse { max-width: 78ch; }
.scale-note { margin-top: 28px; }
.scale-note .scale-line {
  display: block; margin-top: 12px; font-weight: 600; color: var(--text-primary);
  border-left: 2px solid var(--primary); padding-left: 12px;
}

/* ── Responsive ───────────────────────────────────────────────────── */
@media (max-width: 880px) {
  .strata-runbar, .fig-grid, .strata-cols { grid-template-columns: 1fr; }
  .scale-grid { grid-template-columns: 1fr 1fr; }
  .strata-runctl { flex-direction: column; align-items: stretch; }
  .t-result .res-kv { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .strata-runtab:hover { transform: none; }
  .t-step { opacity: 1; transform: none; animation: none; }
  .t-cursor { animation: none; }
}