.eyes-page{--paper:#f1efeb;--ink:#30383a;--muted:#59635f;--line:#cfd2cb;--green:#2c554e;--sage:#e4e9e2;--sans:"Manrope","Noto Sans SC",system-ui,sans-serif}.eyes-page .skip-link{position:absolute;top:-100px;left:12px;z-index:50;padding:12px;background:var(--paper)}.eyes-page .skip-link:focus{top:8px}.spectrum-heading p{overflow-wrap:anywhere}
.eyes-page{margin:0;background:#f1efeb;color:#30383a;font-family:Manrope,"Noto Sans SC",sans-serif;font-size:15px;line-height:1.65}.eyes-page *{box-sizing:border-box}.eyes-page [hidden]{display:none!important}.eyes-page main{max-width:1240px;padding:28px 40px 0;margin:auto}.eyes-page a{color:inherit;text-underline-offset:4px}.eyes-page .eyes-breadcrumb{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:#53635d;font-size:13px}.source-badge{padding:3px 10px;border:1px solid #abbdb4;border-radius:3px;font-size:12px}.eyes-intro{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:end;padding:32px 0}.eyes-intro h1{font-family:"Noto Sans SC",sans-serif;font-size:clamp(28px,3.2vw,42px);line-height:1.38;letter-spacing:-.04em;font-weight:500;margin:0}.eyes-intro p{max-width:480px;margin:0;color:#53635d}.source-strip{border-block:1px solid #cbd0c9;padding:18px 0;display:grid;grid-template-columns:auto minmax(200px,1fr);gap:10px 28px}.source-actions{display:flex;gap:10px;align-items:center}.eyes-page button,.file-button{min-height:44px;padding:10px 17px;border:1px solid #aab8b0;background:transparent;border-radius:3px;color:#2c554e;font:inherit;cursor:pointer;transition:background .16s,box-shadow .16s}.eyes-page button:disabled,.eyes-page select:disabled{cursor:wait;opacity:.6}.file-button{position:relative;background:#2c554e;color:#fff;border-color:#2c554e;display:inline-flex;align-items:center;overflow:hidden}.file-button input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}.file-button:focus-within,.eyes-page :focus-visible{outline:2px solid #2c554e;outline-offset:4px}.eyes-page button:hover:not(:disabled){background:#e2e8e0}.record-picker{display:flex;align-items:center;gap:12px;min-width:0}.eyes-page select{min-height:44px;min-width:0;width:100%;max-width:440px;border:1px solid #aab8b0;border-radius:3px;background:transparent;padding:8px 30px 8px 10px;color:inherit;font:inherit}.source-strip>p{grid-column:1/-1;font-size:13px;color:#53635d;margin:0}.load-status{min-height:24px;margin:14px 0;font-size:13px;color:#53635d}.load-error{border-left:3px solid #904d37;padding:14px 18px;background:#eee2dc;color:#733d2d;margin:14px 0;overflow-wrap:anywhere}.spectrum-panel{background:#fafaf6;border:1px solid #cbd0c9;padding:24px 28px 20px}.spectrum-heading{display:flex;justify-content:space-between;align-items:start;gap:14px}.eyes-page h2{font-size:18px;font-weight:600;margin:0}.spectrum-heading p{font-size:13px;color:#53635d;margin:5px 0 0}.local-note{font-size:12px;color:#53635d}.channel-tabs{display:flex;gap:8px;padding:20px 0 12px;flex-wrap:wrap}.channel-tabs button{min-width:60px;padding:8px 15px}.channel-tabs button[aria-selected=true]{color:#fff;background:#2c554e;border-color:#2c554e}.chart-legend{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;margin:10px 0}.chart-legend span{display:inline-flex;align-items:center;gap:7px}.chart-legend span:before{content:"";width:22px;border-top:2px solid #356f83}.chart-legend .legend-closed:before{border-color:#2c554e;border-top-style:dashed}.chart-legend .legend-alpha:before{border:0;width:14px;height:12px;background:#e1e9d2}.eyes-page canvas{display:block;width:100%;height:330px}.chart-readout{font-size:12px;color:#53635d;min-height:20px;margin:10px 0;overflow-wrap:anywhere}.comparison{font-size:17px;margin:12px 0 0;min-height:28px}.alpha-section{display:grid;grid-template-columns:1fr 1.2fr;gap:60px;margin:34px 0}.alpha-section p{max-width:350px;color:#53635d;font-size:13px}.alpha-section table{border-collapse:collapse;width:100%;font-size:14px;font-variant-numeric:tabular-nums}.alpha-section th,.alpha-section td{padding:10px 6px;border-bottom:1px solid #cbd0c9;text-align:right;white-space:nowrap}.alpha-section th:first-child,.alpha-section td:first-child{text-align:left}.alpha-section tr[data-selected=true]{background:#e4e9e2}.method-section{display:grid;grid-template-columns:1fr 1fr;gap:24px;border-top:1px solid #cbd0c9;padding-top:8px}.eyes-page summary{min-height:44px;padding:12px 0;cursor:pointer;font-weight:500}.method-section details>div{font-size:13px;color:#53635d;max-width:72ch}.method-section p{margin:8px 0 16px}.file-identity{word-break:break-all;font-size:12px}.eyes-page footer{display:flex;gap:28px;flex-wrap:wrap;border-top:1px solid #cbd0c9;padding:24px 0;margin-top:28px;font-size:13px}.eyes-page footer span{margin-right:auto}.eyes-page footer a{display:inline-flex;min-height:44px;align-items:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){.eyes-page main{padding:20px 20px 0}.eyes-intro{grid-template-columns:1fr;gap:16px;padding:24px 0}.eyes-intro h1{font-size:30px}.source-strip{grid-template-columns:1fr;gap:14px}.source-actions{flex-wrap:wrap}.record-picker{flex-direction:column;align-items:start;gap:4px}.spectrum-panel{padding:16px 12px}.local-note{display:none}.channel-tabs{gap:6px}.channel-tabs button{flex:1;min-width:calc(30% - 4px);padding:7px}.eyes-page canvas{height:280px}.alpha-section{grid-template-columns:1fr;gap:12px;margin:26px 0}.method-section{grid-template-columns:1fr;gap:0}.comparison{font-size:15px}.chart-legend{gap:12px;font-size:12px}.eyes-page footer{gap:14px}.eyes-page footer span{width:100%}}
@media(prefers-reduced-motion:reduce){.eyes-page button{transition:none}}

/* Design handoff: one channel selector, two state cards before the optional table. */
.eyes-page main{max-width:1120px}.eyes-intro h1{font-size:28px}.channel-picker{display:flex;align-items:center;gap:14px;padding:18px 0 8px;font-size:13px}.channel-picker select{width:140px}.alpha-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}.alpha-cards>div{border-top:1px solid #cbd0c9;padding:15px 0 5px}.alpha-cards span{display:block;color:#53635d;font-size:13px}.alpha-cards strong{display:block;font-size:30px;font-weight:500;font-variant-numeric:tabular-nums;line-height:1.4;margin-top:4px}.alpha-caption{font-size:12px;color:#53635d;margin:8px 0}.alpha-section{display:block;margin:18px 0}.alpha-section p{max-width:none}.alpha-section table{max-width:720px}.chart-legend .legend-open:before{border-top-style:dashed}.chart-legend .legend-closed:before{border-top-style:solid}
@media(max-width:760px){.eyes-intro h1{font-size:25px}.alpha-cards{gap:12px}.alpha-cards strong{font-size:26px}.eyes-page canvas{height:250px}.alpha-section th,.alpha-section td{font-size:13px;padding:10px 3px}}