/* Stage480 — AI Brain Runtime Governance + Continuous Evaluation + Drift Guardrails */
:root{--s480-bg:rgba(7,12,24,.88);--s480-surface:rgba(12,18,34,.88);--s480-border:rgba(132,156,255,.20);--s480-soft:rgba(230,238,255,.74);--s480-blue:#92aaff;--s480-green:#8df5bd;--s480-amber:#ffd28c;--s480-red:#ff9a9a;}
.stage480-governance{margin:24px auto;max-width:1220px;border:1px solid var(--s480-border);border-radius:28px;padding:22px;background:linear-gradient(180deg,rgba(10,16,30,.94),rgba(5,10,20,.88));box-shadow:0 24px 70px rgba(0,0,0,.32);color:#eef4ff;position:relative;overflow:hidden;}
.stage480-governance:before{content:"";position:absolute;inset:-1px;background:radial-gradient(circle at 15% 0%,rgba(146,170,255,.17),transparent 30%),radial-gradient(circle at 90% 10%,rgba(141,245,189,.12),transparent 32%);pointer-events:none;}
.stage480-governance>*{position:relative;z-index:1}.stage480-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:18px}.stage480-eyebrow{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--s480-blue);font-weight:800}.stage480-head h2,.stage480-head h3{margin:6px 0 8px;font-size:clamp(24px,3vw,38px);line-height:1.05}.stage480-head p{margin:0;color:var(--s480-soft);max-width:760px;line-height:1.55}.stage480-status{display:flex;flex-direction:column;gap:6px;min-width:210px;padding:14px;border:1px solid var(--s480-border);border-radius:18px;background:rgba(8,14,28,.84)}.stage480-status span{font-size:12px;color:var(--s480-soft)}.stage480-status strong{font-size:20px;color:var(--s480-green)}.stage480-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.stage480-card{border:1px solid rgba(132,156,255,.16);background:rgba(7,13,25,.72);border-radius:20px;padding:16px;min-height:120px}.stage480-card span{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--s480-blue);font-weight:800;margin-bottom:8px}.stage480-card strong{display:block;font-size:23px;margin-bottom:8px}.stage480-card p{margin:0;color:var(--s480-soft);font-size:13px;line-height:1.45}.stage480-pill-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.stage480-pill{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(132,156,255,.18);background:rgba(11,17,31,.8);border-radius:999px;padding:9px 12px;color:#eaf1ff;font-size:13px}.stage480-pill[data-severity="warn"]{color:var(--s480-amber)}.stage480-pill[data-severity="hold"]{color:var(--s480-red)}.stage480-report{margin-top:16px;padding:14px;border-radius:18px;background:rgba(6,11,21,.68);border:1px solid rgba(132,156,255,.14);color:var(--s480-soft);font-size:13px;line-height:1.5}.stage480-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}.stage480-actions a{display:inline-flex;text-decoration:none;color:#eff5ff;border:1px solid rgba(132,156,255,.22);border-radius:999px;padding:10px 14px;background:rgba(9,15,28,.76);font-weight:700;font-size:13px}.stage480-actions a:hover{transform:translateY(-1px);border-color:rgba(146,170,255,.44)}@media(max-width:1000px){.stage480-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.stage480-head{flex-direction:column}.stage480-status{min-width:0;width:100%}}@media(max-width:620px){.stage480-governance{padding:18px;border-radius:22px}.stage480-grid{grid-template-columns:1fr}.stage480-card{min-height:auto}.stage480-actions a{width:100%;justify-content:center}}