*{margin:0;padding:0;box-sizing:border-box}:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.5;font-weight:400;color:#fff;background-color:#121212;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh;background-color:#121212}#root{min-height:100vh;background-color:#121212}.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:linear-gradient(135deg,#1a1a2e,#16213e,#0f3460)}.auth-card{background:#2d2d2d;border:1px solid #404040;border-radius:12px;padding:3rem;box-shadow:0 10px 40px #00000080;text-align:center;max-width:400px}.auth-card h1{margin-bottom:1rem;color:#fff;font-size:1.8rem}.auth-card 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