:root{--bg:#f3efe6;--bg-soft:#fbf7ee;--panel:rgba(255,252,244,0.9);--panel-strong:#fffdf8;--ink:#1f1b16;--muted:#6d665c;--line:rgba(44,35,24,0.14);--line-strong:rgba(44,35,24,0.28);--accent:#0b5d4b;--accent-soft:rgba(11,93,75,0.14);--shadow-lg:0 30px 80px rgba(50,37,20,0.12);--shadow-md:0 18px 36px rgba(50,37,20,0.08);--radius-xl:32px;--radius-lg:20px;--radius-md:14px}*{box-sizing:border-box}html{min-height:100%;background:radial-gradient(circle at top left,rgba(11,93,75,.18),transparent 32%),radial-gradient(circle at top right,rgba(185,106,47,.18),transparent 24%),linear-gradient(180deg,#efe7d6 0,var(--bg) 32%,#f7f3ea 100%)}body{min-height:100vh;margin:0;color:var(--ink);font-family:Avenir Next,Segoe UI,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(35,29,23,.04) 1px,transparent 0),linear-gradient(90deg,rgba(35,29,23,.04) 1px,transparent 0);background-size:28px 28px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 92%);mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 92%);opacity:.35}a{color:inherit}button,input,select,textarea{font:inherit}h1,h2{margin:0;letter-spacing:-.03em}h1{font-size:clamp(2.4rem,5vw,4.6rem);line-height:.96}h2{font-size:clamp(1.5rem,2.8vw,2rem)}p{color:var(--muted);line-height:1.65}table{width:100%;border-collapse:collapse}td,th{padding:.95rem 1rem;text-align:left;border-bottom:1px solid var(--line)}th{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}.page-shell{position:relative;width:min(1380px,calc(100vw - 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16px,1380px);margin:8px auto}.hero-card,.panel{padding:18px;border-radius:24px}.chart-frame{height:360px}.tab-strip{width:100%}.tab-button{flex:1 1}.payload-input{min-height:240px}}