:root{
  --bg:#f4f4f1;--card:#fff;--ink:#232323;--muted:#66645f;--line:#dddcd6;
  --accent:#20a7ae;--accent-soft:#e9f9fa;--shadow:0 10px 26px rgba(0,0,0,.055);
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
button{font:inherit}
button:focus-visible{outline:3px solid rgba(32,167,174,.38);outline-offset:2px}
.site-header{max-width:1440px;margin:auto;padding:22px 24px 10px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.site-header h1{font-size:clamp(31px,4vw,48px);line-height:1;margin:0 0 8px;letter-spacing:-.02em}
.site-header p{margin:0;color:var(--muted);font-size:clamp(14px,1.5vw,18px)}
.brand-chip{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 14px;display:flex;align-items:center;gap:10px;font-weight:800;white-space:nowrap}
.brand-chip img{width:46px;height:30px;object-fit:contain}
.app-shell{max-width:1440px;margin:auto;padding:8px 24px 26px;display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:22px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.wheel-card{padding:16px}
.wheel-stage{position:relative;width:100%;aspect-ratio:1/1;background:#fff;border-radius:15px;overflow:hidden}
.wheel-stage img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;user-select:none;-webkit-user-drag:none}
.wheel-indicator{pointer-events:none;transform-origin:50% 50%;transition:transform .4s ease,opacity .2s ease}
.core-hotspot{position:absolute;transform:translate(-50%,-50%);border:0;border-radius:50%;background:transparent;cursor:pointer;z-index:5}
.core-hotspot:hover,.core-hotspot:focus-visible{box-shadow:0 0 0 3px rgba(32,167,174,.55) inset,0 0 0 2px #fff}
.core-hotspot.active{box-shadow:0 0 0 4px var(--accent) inset,0 0 0 2px #fff}
.condition-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.condition-btn,.hue-btn{min-height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;font-weight:750;color:#272727;cursor:pointer;padding:10px 8px}
.condition-btn.active,.hue-btn.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent) inset}
.hue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.family-section{border-top:1px solid #ecebe6;margin-top:18px;padding-top:18px}
.section-heading,.enlarged-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.eyebrow{text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-size:11px;font-weight:800;margin:0 0 5px}
.family-section h2,.enlarged-panel h2{font-size:24px;margin:0}
.secondary-btn{border:1px solid var(--accent);background:#fff;color:#176e73;border-radius:11px;min-height:42px;padding:9px 13px;font-weight:800;cursor:pointer}
.family-help{color:var(--muted);font-size:13px;margin:8px 0 18px}
.value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px 16px;align-items:start}
.value-item{appearance:none;border:0;background:transparent;cursor:pointer;min-width:0;padding:0 4px 8px;border-radius:14px;text-align:center}
.value-name{display:block;min-height:38px;font-weight:800;font-size:14px;line-height:1.2;margin-bottom:8px;overflow-wrap:anywhere}
.value-circle{display:block;width:min(100%,132px);aspect-ratio:1/1;margin:0 auto;border-radius:50%;border:1px solid rgba(0,0,0,.13);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14)}
.value-position{display:block;color:var(--muted);font-size:11px;margin-top:7px}
.value-item.active .value-circle{outline:4px solid var(--accent);outline-offset:3px}
.value-item.active .value-name{color:#116d72}
.enlarged-panel{margin-top:24px;border:1px solid var(--line);border-radius:18px;padding:18px;background:#fafaf8}
.icon-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;font-size:27px;line-height:1;cursor:pointer}
.enlarged-content{display:grid;grid-template-columns:minmax(220px,310px) 1fr;gap:28px;align-items:center;padding-top:18px}
.large-circle{width:min(100%,300px);aspect-ratio:1/1;border-radius:50%;margin:auto;border:1px solid rgba(0,0,0,.12);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.enlarged-meta{display:grid;gap:8px}
.meta-line{display:flex;justify-content:space-between;gap:18px;border-bottom:1px solid #e7e6e0;padding:9px 0}
.meta-line span{color:var(--muted)}
.info-card{padding:18px;position:sticky;top:14px}
.source-pill{display:inline-block;border:1px solid var(--line);background:#f8f8f6;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}
.info-card>h2{font-size:31px;line-height:1.05;margin:14px 0}
.hero-swatch{height:54px;border-radius:13px;border:1px solid rgba(0,0,0,.18);margin-bottom:12px}
.fact-row,.harmony-row{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;border-bottom:1px solid #ecebe6;padding:9px 0}
.fact-row span,.harmony-row span{color:var(--muted)}
.fact-row strong,.harmony-row strong{text-align:right;overflow-wrap:anywhere}
.harmony-section{margin-top:18px}
.harmony-section h3,.palette-preview h3{font-size:15px;margin:0 0 8px}
.copy-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:16px}
.copy-actions button{border:1px solid var(--line);background:#fff;border-radius:11px;min-height:43px;font-weight:800;cursor:pointer}
.copy-status{min-height:16px;margin:6px 0 0;color:#176e73;font-size:12px;text-align:center}
.palette-preview{margin-top:17px;border-top:1px solid #ecebe6;padding-top:15px}
.palette-chips{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.palette-chip{min-width:0;text-align:center}
.palette-dot{width:100%;aspect-ratio:1/1;border-radius:50%;border:1px solid rgba(0,0,0,.12);display:block}
.palette-label{display:block;font-size:9px;line-height:1.1;margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.registry-note{border-left:4px solid var(--accent);background:#f7f7f4;border-radius:11px;padding:11px 12px;margin-top:16px;font-size:13px;line-height:1.45}
.creator-lockup{border-top:1px solid #ecebe6;margin-top:16px;padding-top:14px;text-align:center}
.creator-lockup img{max-width:150px;width:48%;height:auto}
footer{max-width:1440px;margin:0 auto 20px;padding:0 24px;text-align:center;color:var(--muted);font-size:12px}
.loading-error{padding:18px;border-radius:12px;background:#fff5f5;color:#8b1e1e;border:1px solid #e8c8c8}
@media(max-width:1040px){.app-shell{grid-template-columns:1fr}.info-card{position:static}.palette-chips{grid-template-columns:repeat(12,1fr)}}
@media(max-width:720px){.site-header{display:block;padding:18px 14px 8px}.brand-chip{margin-top:12px;width:max-content;max-width:100%}.app-shell{padding:8px 12px 22px}.wheel-card,.info-card{padding:12px}.condition-bar{grid-template-columns:repeat(2,1fr)}.hue-grid{grid-template-columns:repeat(2,1fr)}.value-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 10px}.section-heading{display:block}.secondary-btn{margin-top:12px;width:100%}.enlarged-content{grid-template-columns:1fr}.palette-chips{grid-template-columns:repeat(6,1fr)}.value-name{min-height:34px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.wheel-indicator{transition:none}}

/* v5 educational pages + navigation */
.ics-header-logo{width:190px;max-height:74px;object-fit:contain;object-position:right center}
.page-nav{max-width:1392px;margin:4px auto 8px;padding:0 24px;display:flex;gap:8px;flex-wrap:wrap}
.nav-btn{min-height:42px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 16px;font-weight:800;cursor:pointer;color:var(--ink)}
.nav-btn.active{background:var(--accent-soft);border-color:var(--accent);color:#116d72}
.page{display:none}.page.active{display:block}.reading-page{max-width:1120px;margin:0 auto;padding:18px 24px 42px}
.learn-hero{padding:32px 34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:18px}.learn-hero h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.02em;margin:4px 0 12px}.learn-hero>p:last-child{font-size:18px;line-height:1.6;color:#4e4d49;max-width:850px;margin-bottom:0}
.toc{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}.toc a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;color:#176e73;font-weight:750;text-decoration:none}
.reading-page article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px 28px;margin:0 0 18px}.reading-page article h3{font-size:25px;margin:0 0 14px}.reading-page article h4{font-size:16px;margin:8px 0}.reading-page article p{line-height:1.65;color:#484742}.numbered-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.numbered-grid>div{border:1px solid #e7e6e0;border-radius:14px;padding:18px}.numbered-grid b{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--accent-soft);color:#116d72}.numbered-grid p{margin-bottom:0;font-size:14px}
.callout{border-left:4px solid var(--accent);background:#f7f8f6;border-radius:12px;padding:16px 18px;line-height:1.6}.callout p:first-child{margin-top:0}.callout p:last-child{margin-bottom:0}.reading-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:16px 0 18px}.reading-flow span{border:1px solid var(--line);border-radius:999px;padding:9px 12px;font-weight:800;background:#fafaf8}.reading-flow i{font-style:normal;color:var(--muted)}
.condition-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:18px}.condition-cards article{margin:0}.condition-cards article:nth-child(1),.condition-cards article:nth-child(2){border-top:4px solid #7f8137}.condition-cards article:nth-child(3){border-top:4px solid #555787}.condition-cards article:nth-child(4){border-top:4px solid #555}.sources a{color:#176e73;font-weight:700}.application-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.application-grid>div{border:1px solid #e7e6e0;border-radius:14px;padding:18px}.application-grid p{font-size:14px;margin-bottom:0}.future-panel{border:1px dashed #b9b8b1;border-radius:14px;padding:20px;background:#fafaf8}.about-logo{display:block;max-width:250px;width:60%;margin:20px auto 4px}.license-box{background:#f7f7f4;border-radius:14px;padding:18px}.legal-note{font-size:12px;color:var(--muted)!important;border-top:1px solid #dddcd6;padding-top:12px}
@media(max-width:720px){.ics-header-logo{width:150px;margin-top:14px}.page-nav{padding:0 14px}.nav-btn{flex:1 1 45%;padding:8px 10px}.reading-page{padding:12px 12px 30px}.learn-hero,.reading-page article{padding:20px}.numbered-grid,.condition-cards,.application-grid{grid-template-columns:1fr}.learn-hero>p:last-child{font-size:16px}}

/* v6 NopiaLens™ */
.lens-page{max-width:1320px;margin:0 auto;padding:20px 24px 44px}.lens-hero{text-align:center;max-width:900px;margin:0 auto 22px;padding:28px 26px}.lens-hero h2{font-size:clamp(34px,5vw,52px);margin:4px 0 10px;letter-spacing:-.03em}.lens-hero>p:last-child{color:var(--muted);font-size:18px;line-height:1.55;margin:0}.lens-toolbar{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin:0 0 20px}.lens-mode,.lens-actions button{min-height:44px;border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 15px;font-weight:800;cursor:pointer;color:var(--ink)}.lens-mode.active{background:#f1b43c;border-color:#f1b43c;color:#222}.lens-compare{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lens-panel{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.lens-panelhead{padding:14px 18px;border-bottom:1px solid var(--line)}.lens-panelhead small{color:var(--muted);font-weight:800;letter-spacing:.08em}.lens-panelhead h3{margin:3px 0 0;font-size:21px}.lens-stage{background:#e8ebef;min-height:320px;display:flex;align-items:center;justify-content:center;padding:12px}.lens-stage canvas{display:block;max-width:100%;max-height:68vh;width:auto;height:auto;background:#fff}.lens-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:20px 0 28px}.lens-actions .lens-primary{background:#176e73;color:#fff;border-color:#176e73}.lens-actions .lens-save{border:2px solid #176e73;color:#176e73}.lens-reference,.lens-note,.lens-legal{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;margin:18px auto 0;box-shadow:var(--shadow)}.lens-reference-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:16px}.lens-reference-head h3{font-size:25px;margin:3px 0 0}.lens-reference-head>p{max-width:610px;color:var(--muted);line-height:1.5;margin:0}.lens-strip-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.lens-strip-grid h4{font-size:14px;color:var(--muted);margin:0 0 7px}.lens-strip-grid canvas{width:100%;height:auto;border:1px solid var(--line);border-radius:9px}.lens-hue-labels{display:grid;grid-template-columns:repeat(12,1fr);margin-top:8px;font-size:10px;color:var(--muted);text-align:center}.lens-hue-labels span{overflow:hidden;text-overflow:ellipsis}.lens-note{max-width:1040px}.lens-note h3{margin-top:0}.lens-note p{line-height:1.6;color:#484742}.lens-method{border-left:4px solid var(--accent);background:#f7f8f6;padding:12px 14px;border-radius:10px}.lens-privacy{margin-bottom:0}.lens-legal{display:grid;grid-template-columns:110px 1fr 130px;align-items:center;gap:22px;max-width:1100px}.lens-legal img{max-width:100%;max-height:90px;object-fit:contain}.lens-legal strong{font-size:16px}.lens-legal p{font-size:12px;line-height:1.55;color:var(--muted);margin:7px 0 0}
@media(max-width:780px){.lens-page{padding:12px 12px 32px}.lens-hero{padding:20px 10px}.lens-compare,.lens-strip-grid{grid-template-columns:1fr}.lens-stage{min-height:220px}.lens-reference-head{display:block}.lens-reference-head>p{margin-top:10px}.lens-hue-labels{display:none}.lens-legal{grid-template-columns:1fr;text-align:center}.lens-legal img{margin:auto;max-width:170px}.lens-mode{flex:1 1 45%}}