:root{--bg:#090b10;--panel:#0f131b;--panel2:#141925;--line:#232a38;--text:#f4f6fb;--muted:#8f98aa;--accent:#ecefff;--accentText:#11131a;--danger:#ff667a;--shadow:0 20px 70px rgba(0,0,0,.42)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,input{font:inherit}.hidden{display:none!important}.center-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 50% 0%,#171d2b 0,transparent 42%)}.card{width:min(440px,100%);background:rgba(15,19,27,.92);border:1px solid 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