.theme-guardrails {
  --color-bg: #0a1a19;
  --color-surface: #182928;
  --color-text: #e0e8e6;
  --color-accent: #50d2a7;
  --color-accent-2: #e6ac45;
  --color-divider: color-mix(in srgb, #e0e8e6 16%, transparent);

  --color-neutral-100: #ecf6f5;
  --color-neutral-200: #dee7e6;
  --color-neutral-300: #c8d2d1;
  --color-neutral-400: #adb6b5;
  --color-neutral-500: #8c9493;
  --color-neutral-600: #707877;
  --color-neutral-700: #525a59;
  --color-neutral-800: #373f3e;
  --color-neutral-900: #202726;

  --color-accent-100: #ebf7f2;
  --color-accent-200: #d1ece0;
  --color-accent-300: #a8ddc8;
  --color-accent-400: #6aceaa;
  --color-accent-500: #34b08a;
  --color-accent-600: #008665;
  --color-accent-700: #0d664d;
  --color-accent-800: #024936;
  --color-accent-900: #003728;

  --color-accent-2-100: #f8f3eb;
  --color-accent-2-200: #efe3d0;
  --color-accent-2-300: #e4cca8;
  --color-accent-2-400: #d4ad71;
  --color-accent-2-500: #b7893b;
  --color-accent-2-600: #986d20;
  --color-accent-2-700: #73510e;
  --color-accent-2-800: #513807;
  --color-accent-2-900: #312003;

  --color-section: #003f3c;
  --color-section-glow: #025956;
  --color-section-ghost: #1e7e7a;

  --shadow-sm: 0 0 0 1px #373f3e;
  --shadow-md: 0 0 0 1px #525a59, 0 6px 18px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 0 0 1px #8c9493, 0 16px 40px rgba(0, 0, 0, 0.65);

  --cream-bg: #f4f8f7;
  --cream-card: #ffffff;
  --cream-line: #d7e3e0;

  --pass: #50d2a7;
  --warn: #e6ac45;
  --fail: #e66e6d;
  --skip: #8c9493;
}

.gr-hero { padding: calc(2.5 * var(--leading)) 0 calc(2 * var(--leading)); position: relative; }
.theme-guardrails .zone-dark { overflow: clip; }
.gr-art { position: absolute; top: -8px; left: 50%; width: min(1440px, 100vw); height: auto;
  transform: translateX(-50%); pointer-events: none; z-index: 0; }
.gr-breath { animation: grBreath 4s ease-in-out infinite; }
@keyframes grBreath { 0%, 100% { opacity: 0.4; } 50% { opacity: 0.75; } }
@media (prefers-reduced-motion: reduce) { .gr-art .signals, .close-art .signals { display: none; } .gr-breath { animation: none; } }
.gr-art-label { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; }
.gr-hero-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  gap: calc(1.5 * var(--leading)) clamp(24px, 4vw, 64px); align-items: center;
  position: relative; z-index: 1; }
.gr-hero .display { font-size: clamp(38px, 4vw, 56px); line-height: clamp(42px, 4.4vw, 62px); }
@media (min-width: 881px) { .gr-hero .display { white-space: nowrap; } }
.gr-hero .sub { font-size: 17px; line-height: var(--leading); max-width: var(--measure);
  margin: calc(1.5 * var(--leading) - 1cap) 0 0; text-box: trim-both cap alphabetic; }
.gr-hero .row { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center;
  margin-top: var(--leading); }
.gr-hero .term { font-size: 12px; line-height: 21px; }
@media (min-width: 881px) { .gr-hero-grid { align-items: start; } .gr-hero-grid > .term { margin-top: 200px; } }
.theme-guardrails .term-body { overflow-x: auto; }
.gr-hero-grid > *, .split > *, .gr-flow > *, .gr-outcomes > *, .gr-cats > * { min-width: 0; }
.theme-guardrails .term { max-width: 100%; }
.gr-fine { font-size: 13px; line-height: 20px; max-width: 52ch;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); margin: var(--leading) 0 0; }
.light .gr-fine { color: var(--color-neutral-600); }
.gr-row { display: flex; gap: var(--space-3); flex-wrap: wrap; align-items: center;
  margin-top: calc(1.5 * var(--leading)); }
@media (max-width: 880px) {
  .gr-hero-grid { grid-template-columns: 1fr; }
  .gr-art { display: none; }
}

.term-body .pass { color: var(--pass); }
.term-body .fail { color: var(--fail); }
.term-body .warn { color: var(--warn); }
.term-body .skip { color: var(--skip); }
.term-body .name { color: var(--color-text); }
.term-body .k { color: var(--color-accent-300); }
.term-body .s { color: var(--color-accent-300); }
.term-body .n { color: var(--warn); }
.term-body .p { color: color-mix(in srgb, var(--color-text) 45%, transparent); }



.gr-lede { padding: calc(2.5 * var(--leading)) 0 var(--half); }
.gr-lede .note { font-size: 15.5px; line-height: var(--leading); max-width: 62ch;
  margin: calc(var(--leading) - 1cap) 0 0; color: var(--color-neutral-800);
  text-box: trim-both cap alphabetic; }

.gr-cats { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8); margin-top: calc(var(--leading) + var(--half)); }
.gr-cat { background: var(--cream-card); border-radius: var(--radius-lg);
  box-shadow: 0 0 0 1px var(--cream-line), 0 6px 18px color-mix(in srgb, var(--color-neutral-900) 6%, transparent);
  padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4); }
.gr-cat-head { display: flex; align-items: center; gap: var(--space-3); }
.gr-cat-head svg { width: 20px; height: 20px; flex: none; color: var(--color-accent-600); }
.gr-cat p { font-size: 13.5px; line-height: 20px; color: var(--color-neutral-700); margin: 0; }
.gr-cat-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 16px; line-height: var(--half); color: var(--color-neutral-900); }
.gr-cat ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; }
.gr-cat li { font-size: 13px; line-height: 19px; color: var(--color-neutral-800);
  padding-left: 15px; position: relative; }
.gr-cat li::before { content: "›"; position: absolute; left: 0; color: var(--color-accent-600); }

.gr-pr { background: var(--cream-card); border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: 0 0 0 1px var(--cream-line), 0 6px 18px color-mix(in srgb, var(--color-neutral-900) 6%, transparent); }
.gr-pr-bar { display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-4) var(--space-6); border-bottom: 1px solid var(--cream-line);
  font-size: 12.5px; line-height: var(--half); color: var(--color-neutral-600); }
.gr-pr-av { width: 22px; height: 22px; border-radius: 50%; flex: none;
  background: var(--color-accent-600); }
.gr-pr-bar b { font-weight: 500; color: var(--color-neutral-900); }
.gr-pr-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.gr-pr table { width: 100%; min-width: 420px; border-collapse: collapse; font-size: 13px; }
.gr-pr th { text-align: left; font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--color-neutral-600); font-weight: var(--font-heading-weight);
  padding: var(--space-4) var(--space-4); border-bottom: 1px solid var(--cream-line); }
.gr-pr td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--cream-line);
  color: var(--color-neutral-800); font-feature-settings: "tnum" 1; }
.gr-pr td:first-child { width: 28px; text-align: center; }
.gr-pr td:last-child { text-align: right; }
.gr-pr-det { padding: var(--space-6); font-size: 13px; line-height: 21px;
  color: var(--color-neutral-700); display: grid; gap: var(--space-2); }
.gr-pr-det b { font-weight: 500; color: var(--color-neutral-900); }
.gr-pr-det code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; background: color-mix(in srgb, var(--color-neutral-200) 65%, transparent);
  padding: 1px 5px; border-radius: var(--radius-sm); }

.gr-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-8);
  margin-top: calc(var(--leading) + var(--half)); }
@media (max-width: 1080px) { .gr-flow { grid-template-columns: 1fr; } }
.gr-node { background: color-mix(in srgb, var(--color-surface) 72%, var(--color-bg));
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4); }
.light .gr-node { background: var(--cream-card);
  box-shadow: 0 0 0 1px var(--cream-line), 0 6px 18px color-mix(in srgb, var(--color-neutral-900) 6%, transparent); }
.gr-node-head { display: flex; align-items: center; gap: var(--space-4);
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 15px; line-height: var(--half); color: var(--color-accent);
  font-feature-settings: "tnum" 1; margin: 0; }
.gr-node-head::after { content: ""; height: 1px; flex: 1;
  background: linear-gradient(to right, var(--color-accent), transparent); }
.light .gr-node-head { color: var(--color-accent-600); }
.light .gr-node-head::after { background: linear-gradient(to right, var(--color-accent-600), transparent); }
.gr-node h3 { font-size: 19px; line-height: var(--leading); letter-spacing: -0.01em;
  margin: var(--space-2) 0 0; text-wrap: balance; }
.light .gr-node h3 { color: var(--color-neutral-900); }
.gr-node p { font-size: 14.5px; line-height: 22px; margin: 0;
  color: color-mix(in srgb, var(--color-text) 78%, transparent); }
.light .gr-node p { color: var(--color-neutral-800); }

.gr-check { display: grid; gap: var(--space-3); margin: var(--leading) 0 0; padding: 0; list-style: none; }
.gr-check li { position: relative; padding-left: 26px; font-size: 15px; line-height: 23px;
  color: color-mix(in srgb, var(--color-text) 80%, transparent); }
.light .gr-check li { color: var(--color-neutral-800); }
.gr-check li::before { content: ""; position: absolute; left: 3px; top: 8px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent) 18%, transparent); }
.light .gr-check li::before { background: var(--color-accent-600);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent-600) 14%, transparent); }
.gr-check b { font-weight: 500; color: var(--color-text); }
.light .gr-check b { color: var(--color-neutral-900); }

.gr-posture { background: color-mix(in srgb, var(--color-surface) 72%, var(--color-bg));
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); margin: 0;
  padding: var(--space-8); display: grid; gap: var(--space-8); }
.gr-posture-head { display: flex; justify-content: space-between; align-items: baseline;
  gap: var(--space-4); }
.gr-posture-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 16px; line-height: var(--half); color: var(--color-text); margin: 0; }
.gr-posture-meta { font-size: 12.5px; line-height: 18px; margin: 2px 0 0;
  color: color-mix(in srgb, var(--color-text) 50%, transparent); }
.gr-posture-tot { font-size: 12.5px; line-height: var(--half); margin: 0; white-space: nowrap;
  font-feature-settings: "tnum" 1; color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.gr-posture-tot b { font-weight: 500; color: var(--color-text); }
.gr-metrics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
.gr-metric { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.gr-metric + .gr-metric { padding-left: var(--space-6); border-left: 1px solid var(--color-divider); }
.gr-metric-label { font-size: 11px; line-height: 16px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); margin: 0; }
.gr-metric-value { font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 30px; line-height: 36px; letter-spacing: -0.01em; font-feature-settings: "tnum" 1;
  color: var(--color-text); margin: 0; }
.gr-metric-sub { font-size: 12px; line-height: 17px; margin: 0;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); }
.gr-bars { display: flex; gap: 3px; height: 56px; flex: none; margin-top: auto; padding-top: var(--space-3); box-sizing: content-box; }
.gr-bars span { flex: 1; border-radius: 2px;
  background: linear-gradient(to top, var(--color-accent-500) 0 var(--h), var(--color-neutral-800) var(--h) 100%); }
.gr-bars.stack span {
  background: linear-gradient(to top, var(--pass) 0 var(--p), var(--warn) var(--p) var(--q), var(--fail) var(--q) 100%); }
.gr-worst { border-top: 1px solid var(--color-divider); padding-top: var(--space-6); }
.gr-worst-title { font-size: 11px; line-height: 16px; letter-spacing: 0.08em; text-transform: uppercase;
  color: color-mix(in srgb, var(--color-text) 55%, transparent); margin: 0 0 var(--space-2); }
.gr-worst-row { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-4);
  padding: 7px 0; font-size: 13.5px; line-height: 20px; color: var(--color-text);
  border-bottom: 1px solid color-mix(in srgb, var(--color-text) 8%, transparent); }
.gr-worst-row:last-child { border-bottom: 0; padding-bottom: 0; }
.gr-worst-n { font-size: 12.5px; white-space: nowrap; font-feature-settings: "tnum" 1; color: var(--fail); }
.gr-worst-row.idle { color: color-mix(in srgb, var(--color-text) 60%, transparent); }
.gr-worst-row.idle .gr-worst-n { color: color-mix(in srgb, var(--color-text) 50%, transparent); }
@media (max-width: 1080px) {
  .split.gr-stack, .split.gr-stack.flip { grid-template-columns: 1fr; }
  .gr-stack .split-copy { order: -1; }
}
@media (max-width: 640px) {
  .gr-metrics { grid-template-columns: 1fr; }
  .gr-metric + .gr-metric { padding: var(--space-6) 0 0; border-left: 0;
    border-top: 1px solid var(--color-divider); }
}



.gr-outcomes { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-8);
  margin-top: calc(1.5 * var(--leading)); padding-top: var(--leading); border-top: 1px solid var(--cream-line); }
.gr-outcomes h3 { font-size: 16px; line-height: 22px; margin: 0; color: var(--color-neutral-900);
  padding-left: 18px; position: relative; text-wrap: balance; }
.gr-outcomes h3::before { content: ""; position: absolute; left: 0; top: 7px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--color-accent-600);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-accent-600) 14%, transparent); }
.gr-outcomes p { font-size: 14px; line-height: 21px; margin: var(--space-2) 0 0; padding-left: 18px;
  color: var(--color-neutral-700); }
@media (max-width: 1080px) { .gr-outcomes { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .gr-outcomes { grid-template-columns: 1fr; } }