:root{--bg:#f3f5f3;--surface:#fff;--ink:#10232a;--muted:#66777b;--line:#dfe7e4;--dark:#0b1920;--accent:#31d39a;--accent-dark:#138b66;--warning:#f0a43b;--danger:#d85d5d;--shadow:0 18px 55px rgba(12,35,42,.08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input,textarea,select{font:inherit}button{cursor:pointer}.auth-shell{min-height:100vh;display:grid;grid-template-columns:1.15fr .85fr;background:var(--dark);color:#fff}.auth-copy{padding:9vw;display:flex;flex-direction:column;justify-content:center;background:radial-gradient(circle at 30% 25%,#174a47 0,transparent 38%),linear-gradient(145deg,#0b1920,#102c30)}.auth-copy h1{font-size:clamp(2.7rem,5vw,5.6rem);line-height:.98;letter-spacing:-.06em;max-width:820px;margin:28px 0}.auth-copy 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