:root{--ink:#102a3a;--muted:#6b7f8b;--blue:#075985;--cyan:#0ea5a4;--bg:#f3f8fa;--white:#fff;--red:#c33;--shadow:0 18px 55px rgba(18,61,82,.12)}*{box-sizing:border-box}body{margin:0;background:linear-gradient(145deg,#e9f5f7,#f7fafb 48%,#eaf1f5);color:var(--ink);font:15px/1.45 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}.hidden{display:none!important}button,input{font:inherit}button{cursor:pointer}#app{min-height:100vh}.login{min-height:100vh;max-width:460px;margin:auto;padding:clamp(42px,9vh,90px) 28px 32px;display:flex;flex-direction:column}.brand-mark{width:68px;height:68px;border-radius:22px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:850;letter-spacing:.06em;box-shadow:var(--shadow);margin-bottom:24px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:800;color:var(--cyan);margin:0 0 8px}.login 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