:root{--color-bg: #0f172a;--color-surface: #ffffff;--color-surface-alt: #f3f5fb;--color-border: #e2e5ef;--color-primary: #4338ca;--color-primary-dark: #362da3;--color-primary-light: #eef0ff;--color-accent: #0ea5a5;--color-text: #1a1d29;--color-text-muted: #656b80;--color-success: #15803d;--color-success-bg: #ecfdf3;--color-danger: #b91c1c;--color-danger-bg: #fef2f2;--color-warning: #b45309;--color-warning-bg: #fffbeb;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .08), 0 1px 2px rgba(16, 24, 40, .06);--font: "Segoe UI", "Inter", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font);background:var(--color-surface-alt);color:var(--color-text)}a{color:var(--color-primary);text-decoration:none}.page-center{min-height:100vh;display:flex;align-items:center;justify-content:center}.auth-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e1b4b,#312e81 45%,#0ea5a5 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