:root{--navy:#0b2f4a;--blue:#146c94;--cyan:#48b9c7;--ink:#172631;--muted:#657783;--line:#dce5ea;--bg:#f4f7f9;--white:#fff;--red:#b42318;--green:#16794d;--amber:#9a6700;--shadow:0 12px 32px rgba(11,47,74,.09);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0;min-width:320px}.hidden{display:none!important}button,input,select{font:inherit}button,a{cursor:pointer}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 20% 20%,#1a769a 0,transparent 35%),linear-gradient(145deg,#08283e,#0b405c 58%,#0e2d43)}.auth-card{width:min(440px,100%);padding:48px;border-radius:24px;background:rgba(255,255,255,.97);box-shadow:0 28px 80px 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